30th week of 2018 patent applcation highlights part 30 |
Patent application number | Title | Published |
20180209292 | ACTIVE GAP CONTROL FOR TURBINE ENGINE COMPRESSOR - A system for active control of radial gap around an annular row of rotor blades of a turbine engine, notably rotor blades of a low-pressure compressor of an aircraft turbojet engine. The system comprises an annular row of rotor blades; an outer casing around the annular row of rotor blades; a radial gap between the rotor blades and the outer casing; an oil circuit which is suitable for recovering the calories from a reduction gear box such as a planetary gear train which drives the fan. The oil circuit includes an expansion module which is configured to be expanded by the calories recovered from the oil. The expansion module is placed inside the outer casing so as to modulate its diameter around the rotor blades. | 2018-07-26 |
20180209293 | Gas Turbine - A gas turbine with a compressor, in which air can be compressed; with at least one burner having a combustion chamber, which can be supplied with the compressed air and in which a fuel can be combusted in the presence of the compressed air subject to heating the air; a turbine, in which the heated air can be expanded; a diffuser arranged, seen in flow direction of the expanded air, downstream of the turbine; a plurality of temperature sensors, dependent on the measurement values of which a thermodynamic mean temperature or mixed-out turbine outlet temperature of the expanded air can be determined. The temperature sensors are arranged in the region of a diffuser cover, which at an outlet end of the diffuser closes off a hollow space of the diffuser positioned radially inside of a flow duct of the diffuser. | 2018-07-26 |
20180209294 | AIRCRAFT COMPRISING A TURBINE ENGINE INCORPORATED INTO THE REAR FUSELAGE WITH VARIABLE SUPPLY - The invention concerns an aircraft propelled by a turbine engine having contrarotating fans ( | 2018-07-26 |
20180209295 | STARTER CONTROLLER - Systems and methods for starting an engine on an aircraft are provided. One example aspect of the present disclosure is directed to a method for starting an engine using an integrated starter. The integrated starter includes a starter air valve and an air turbine starter. The method includes receiving one or more signals indicative of one or more parameters. The method includes determining a valve setting for the starter air valve based at least in part on the one or more signals indicative the one or more parameters. The method includes providing one or more control signals to adjust a position of the starter air valve based at least in part on the valve setting. The position of the starter air valve regulates the flow of fluid into the air turbine starter. | 2018-07-26 |
20180209296 | IN-SITU MEASUREMENT OF BLADE TIP-TO-SHROUD GAP IN TURBINE ENGINE - A robotically articulated inspection scope ( | 2018-07-26 |
20180209297 | METHODS AND APPARATUS TO CONTROL THE ACTUATION OF REGULATORS INCLUDING A LOADING CHAMBER - Methods and apparatus to control the actuation of regulators including a loading chamber are disclosed. An example apparatus includes a first pneumatic regulator including a loading chamber, the first pneumatic regulator to flow fluid toward a downstream process; a second pneumatic regulator coupled between the loading chamber and the downstream process, the second pneumatic regulator to control an actuation of the first pneumatic regulator during normal operation based on a pressure difference between a first pressure downstream of the first pneumatic regulator and a second pressure within the loading chamber; and a valve coupled between the loading chamber and the downstream process, the valve to control the actuation of the first pneumatic regulator during a shut-down event. | 2018-07-26 |
20180209298 | GAS TURBINE ENGINE CASE MOUNT WITH VIBRATION DAMPING - An assembly is provided for a gas turbine engine. This assembly includes a mount, a component and a fastener assembly attaching the component to the mount. The fastener assembly includes a fastener, a bushing and a damper. The fastener extends axially along an axis through an aperture in the component and into the mount. The bushing extends axially along the axis through the aperture and axially engages the mount and the fastener. The damper is configured to damp vibration transmission between the mount and the component. The damper is arranged between the mount and the component and between the component and the bushing. | 2018-07-26 |
20180209299 | METHOD AND APPARATUS FOR SUPPLYING COOLING AIR TO A TURBINE - A gas turbine engine that includes a turbine interstage region. The turbine interstage region is configured to conduct bore bleed air outwardly. The interstage region includes a central plenum. The interstage region also includes a first mid-seal and a second mid-seal. The central plenum is fluidly connected to bore bleed air by a flow circuit that passes between the first mid-seal and the second mid-seal. | 2018-07-26 |
20180209300 | APPARATUS FOR SUPPLYING COOLING AIR TO A TURBINE - A turbine interstage structure for a gas turbine engine that includes a first stage disk and a second stage disk. A central plenum is defined by a an inner band for supporting nozzle vanes, a forward stator plate and an aft stator plate wherein the forward stator plate is spaced-apart from the aft stator plate, and an inner boundary. A forward mid-seal positioned between the inner boundary and the forward stator plate. An aft mid-seal positioned between the inner boundary and the aft stator plate; and wherein the inner boundary is a solid annular component. | 2018-07-26 |
20180209301 | TURBOMACHINE HOUSING ELEMENT - A turbomachine housing element, having a flow channel for accommodating a rotor blade assembly and a first cavity at least partially produced by primary shaping; the first cavity being adapted for passive thermal insulation and/or the assemblable turbomachine housing element not being adapted for the active circulation of fluid through the first cavity; and/or, between the first cavity and the flow channel, a separate seal being attached to turbomachine housing element; and/or the first cavity extending in the axial direction of the flow channel over at least 20% of a minimum axial length of the turbomachine housing element at the level of the cavity and/or over a minimum axial length of the separate seal and/or being filled with air or a thermally insulating fluid, whose specific thermal conductivity λ is at least 10% lower than the specific thermal conductivity λ of air. | 2018-07-26 |
20180209302 | ASSEMBLY COMPRISING A LOCKED SECURING STUD - An assembly including a securing stud held by a locking key that rotates with the stud and is provided with bearing surfaces for sitting on an edge of one of the parts to be assembled. Sufficient clamping torque can be introduced without risk of damage and at the same time avoiding excessive screwing of the stud. | 2018-07-26 |
20180209303 | ALIGNMENT APPARATUS FOR COUPLING DIAPHRAGMS OF TURBINES - Various embodiments of the disclosure include an alignment apparatus for assembly alignment and load sharing. The alignment apparatus may include: an alignment pin including a first end and an opposing, second end, wherein the first end is configured to couple with a first hole in a first turbine nozzle diaphragm and the second end is configured to couple with a second hole in a second, adjacent turbine nozzle diaphragm. Embodiments of the disclosure may also include a turbine and a combined-cycle power plant. The turbine may include: a first nozzle diaphragm; and a second, adjacent nozzle diaphragm, wherein the first diaphragm is directly coupled to the second diaphragm. The combined-cycle power plant may include: a steam turbine; a gas turbine; a first nozzle diaphragm within the gas turbine; a second, adjacent nozzle diaphragm within the gas turbine; and an alignment pin coupling the first diaphragm directly to the second diaphragm. | 2018-07-26 |
20180209304 | COMPRESSOR WITH SEGMENTED INNER SHROUD FOR AN AXIAL TURBINE ENGINE - An assembly for a turbojet, the assembly comprising: an outer shroud and an inner shroud that are concentric, the inner shroud being segmented and comprising circumferential clearances between the segments thereof; an annular row of stator vanes connecting the inner shroud to the outer shroud; a drive with a reduction ratio, which drive is intended to be coupled to a fan; and a circuit for cooling and for lubricating the drive, which circuit is configured to heat up at least the outer shroud during the operation of the turbine engine such as to circumferentially reduce the circumferential clearances between the segments. | 2018-07-26 |
20180209305 | Integrated System for Using Thermal Energy Conversion - In one embodiment, the invention provides a method for using heat to perform work, comprising: operating a first thermodynamic cycle wherein heat for a first working fluid is provided by combustion of a fuel-based (FB) energy source; operating a second thermodynamic cycle wherein heat for a second working fluid is from a combination of a non-fuel-based (NFB) energy source and waste heat from the first thermodynamic cycle. | 2018-07-26 |
20180209306 | SYSTEM AND METHOD FOR SUPPLYING AN ENERGY GRID WITH ENERGY FROM AN INTERMITTENT RENEWABLE ENERGY SOURCE - A system and method for supplying an energy grid with energy from an intermittent renewable energy source having a production unit for producing Hydrogen and Nitrogen, a mixing unit configured to receive and mix the Hydrogen and the Nitrogen produced by the production unit, an Ammonia source for receiving and processing the Hydrogen-Nitrogen-mixture, an Ammonia power generator for generating energy for the energy grid, a heat distribution system with one or more heat exchangers, and an Ammonia cracker, which is fluidly connected to the Ammonia storage vessel and to the Ammonia power generator, and which is configured and arranged to receive Ammonia from the Ammonia storage vessel, to effect a partial cracking of the received Ammonia to form an Ammonia-Hydrogen-mixture and to direct the Ammonia-Hydrogen-mixture to the Ammonia power generator for combustion. | 2018-07-26 |
20180209307 | CONTROL OF ORC PROCESSES BY INJECTING UNEVAPORATED FLUID - The invention relates to a thermodynamic cycle device, in particular an ORC device, comprising a preheater for preheating a working medium; an evaporator for evaporating and superheating a first mass flow of the preheated working medium; an expansion machine for expanding the evaporated and superheated first mass flow of the working medium; a condenser for condensing the working medium exiting the expansion machine; a feed pump for pumping condensed working medium to the preheater; and a first supply apparatus for supplying a second mass flow of the preheated working medium to the partially expanded first mass flow of the working medium in the expansion machine. The invention further relates to a corresponding method. | 2018-07-26 |
20180209308 | SYSTEM AND METHOD FOR FREE-PISTON POWER GENERATION BASED ON THERMAL DIFFERENCES - An apparatus includes a generator configured to generate electrical power. The apparatus also includes first and second tanks each configured to receive and store a refrigerant under pressure. The apparatus further includes a first piston assembly having a first piston that divides a volume within the first piston assembly into first and second spaces each configured to receive refrigerant from at least one of the tanks. In addition, the apparatus includes a second piston assembly having a second piston coupled to the first piston. The generator is configured to generate the electrical power based on movement of at least one of the first and second pistons. During use, flows of the refrigerant between the tanks and the spaces can be created based on a pressure differential, such as a pressure differential created by a temperature difference between the tanks. | 2018-07-26 |
20180209309 | VALVE TRAIN CARRIER ASSEMBLY - A valve train assembly includes an intake rocker arm, an exhaust rocker arm, a carrier configured to couple to a cylinder block and operably associated with the intake rocker arm and the exhaust rocker arm, the carrier including a first aperture, and a cylinder deactivation (CDA) capsule disposed within the first aperture. The CDA capsule is configured to move between a latched condition that transfers motion from a push rod to one of the intake rocker arm and the exhaust rocker arm, and an unlatched condition that absorbs motion from the push rod and does not transfer the motion to the intake rocker arm or the exhaust rocker arm. | 2018-07-26 |
20180209310 | CAM PHASING SYSTEMS AND METHODS - Cam phasing systems and methods are provided. In particular, a cam phasing system is provided that includes a reduced number of components when compared to current mechanical cam phasing systems. The cam phasing system includes a helix locking design that is configured to frictionally lock an helix rod during cam torque pulses. | 2018-07-26 |
20180209311 | TRIBOLOGICAL SYSTEM, COMPRISING A VALVE SEAT RING AND A VALVE - A tribological system may include a valve seat ring composed of a sintered material and a valve having a surface at least in a seat region that may be at least one of (i) untreated, (ii) hardened, and (iii) plated. The sintered material may be a pressed and sintered powder mixture having a composition that may include (i) 5 to 45 wt % of at least one Fe-based hard phase, (ii) 0 to 2 wt % of each of graphite particles, MnS powder, MoS | 2018-07-26 |
20180209312 | VALVE STEM SEAL ASSEMBLY WITH A SYMMETRICAL RETAINER - Provided herein, is a valve stem seal assembly having an elastomeric sealing element, a symmetrical retainer and a valve guide. The retainer has first portion, a second portion, a continuous stop formed between the first portion and the second portion, an inner surface and an outer surface. The valve guide has a top surface in contact with the elastomeric sealing element and a side surface in contact with the inner surface of the second portion of the retainer. The stop of the retainer projects radially inward and the retainer is symmetrical. | 2018-07-26 |
20180209313 | DYNAMIC LOCKING AND RELEASING CAM LOBE - Disclosed is a method and system for intermittently operating poppet valves in an internal combustion engine when desired by the selective locking or unlocking of one or more cam lobes with the camshaft. One or more cam lobes, with a small radial clearance, ride on a camshaft such that an engagement mechanism may be activated as desired to lock the cam lobe to the camshaft, thereby activating the respective poppet valve. The cam lobe is prevented from moving axially to ensure correct alignment with a follower. A suitable holding device may be used to ensure the non-activated cam lobes are restrained at a suitable orientation relative to the cam follower. | 2018-07-26 |
20180209314 | EXHAUST CONDUITS FOR MARINE ENGINE EXHAUST SYSTEMS - An exhaust conduit for a marine exhaust system includes an inlet end portion connectable to an exhaust manifold, an outlet end portion that directs exhaust gases toward an exhaust system outlet, a catalytic converter assembly arranged between the inlet and outlet end portions, and inner and outer tubes. The inner tube directs exhaust gases from the exhaust manifold to the catalytic converter assembly, and the outer tube surrounds the inner tube to define a cooling liquid passage between the inner and outer tubes. A flange is secured to the inner and outer tubes at inlet ends thereof, the flange being connectable to an outlet of the exhaust manifold. The inner tube has a uniform diameter between the flange and the catalytic converter assembly, and is welded to the flange independently of the outer tube. First and second welds join the inner and outer tubes to the flange at radially inner and outer faces, respectively, of a flange rim. | 2018-07-26 |
20180209315 | METHOD FOR METERING A REACTANT INTO AN EXHAUST GAS PATH OF AN INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE - A method for metering a reactant into an exhaust gas path of an internal combustion engine, wherein the reactant is introduced into an area of the exhaust gas path in which pressure surges in the exhaust gas stream, generated by a charge exchange of the internal combustion engine, contribute to breakdown of droplets of the reactant, wherein a metering device for metering the reactant is activated at a variable metering frequency, depending on an operating point of the internal combustion engine. | 2018-07-26 |
20180209316 | Exhaust Emission Control System - An exhaust emission control system is provided, which includes a NO | 2018-07-26 |
20180209317 | Fluid Delivery System For Exhaust Aftertreatment System - A fluid delivery system for an exhaust aftertreatment system includes a pump disposed within an outer housing. A filter assembly is in fluid communication with the pump and also disposed within the outer housing. A tubular filter medium is disposed within a pump housing. An elongated first compensation element is disposed within an elongated aperture of the filter medium. A support ring is associated with the pump housing and includes a plurality of flexible arms. Second and third compensation elements are also provided to contract in response to expansion of fluid within the pump housing due to freezing and expand in response to thawing of the fluid. | 2018-07-26 |
20180209318 | INCREASE AFTERTREATMENT TEMPERATURE DURING LIGHT LOAD OPERATION - A method for increasing the exhaust temperature of an exhaust system. The method includes receiving an inlet temperature of a selective catalytic reduction system; determining whether the inlet temperature meets a temperature setpoint; adjusting an exhaust manifold pressure setpoint based on the determination of the inlet temperature; determining whether the exhaust manifold pressure of at least one of first or second bank meet the exhaust manifold pressure setpoint; and causing an adjustment of an effective flow area of at least one of the first bank or second bank based on the exhaust manifold pressure, the adjustment of the effective flow area structured to increase exhaust temperature during light load operation. | 2018-07-26 |
20180209319 | Method For Urea Conversion Efficiency Measurement - A method and system for characterizing a chemical reaction in an exhaust after-treatment system that includes providing a first molecule that includes a chemical element that is isotopically labelled. The isotopically labelled first molecule is injected into an exhaust stream of the exhaust after-treatment system to supply the isotopically labelled first molecule to an exhaust treatment component, and second molecules including the chemical element that is isotopically labelled that are produced through a chemical reaction of the first molecule with other constituents of the exhaust stream are quantified. | 2018-07-26 |
20180209320 | MODULE FOR USE ON-BOARD A VEHICLE, FOR DECOMPOSING AN AMMONIA PRECURSOR USING A CATALYST - A module for use on-board a vehicle. The module includes a heater and at least a first and a second storage compartment. The first compartment at least partially surrounds the heater, and the second compartment at least partially surrounds the first compartment. The first compartment is configured to perform a first function in a first temperature range, and the second compartment is configured to perform a second function in a second temperature range, the second temperature range being lower than the first temperature range. The first compartment is in fluid communication with the second compartment. One function of the first and second function is receiving an ammonia precursor, and decomposing the ammonia precursor using a catalyst to generate an ammonia solution. | 2018-07-26 |
20180209321 | EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE - An exhaust purification system for an internal combustion engine provided with an SO | 2018-07-26 |
20180209322 | THERMALLY INSULATING PROTECTIVE SLEEVE - A thermally insulating protective sleeve. The thermally insulating protective sleeve comprises a tubular shell and a thermally insulating liner located in the tubular shell and made of a thermally insulating soft material. The shell comprises two longitudinally separated half-parts, the two half-parts being detachably connected to each other. The thermally insulating liner defines a hollow opening in the shell, and an object to be thermally insulated can be received in the hollow opening in such a way that the thermally insulating liner is subjected to pressure in a radial direction. | 2018-07-26 |
20180209323 | FLOWPATH STRUCTURE - A flowpath structure includes: a supply channel in which a fluid to be supplied to an apparatus flows; a discharge channel in which the fluid discharged from the apparatus flows; and a pilot type opening-and-closing valve disposed in either one channel of the supply channel and the discharge channel. The opening-and-closing valve has a main valve arranged in the either one channel, a pilot channel connecting the supply channel and the discharge channel with each other, a back pressure chamber defined in the pilot channel, and a pilot valve that opens and closes a portion of the pilot channel closer to the discharge channel than the back pressure chamber. The main valve opens and closes the either one channel based on a change in an internal pressure of the back pressure chamber caused by an opening-and-closing operation of the pilot valve. | 2018-07-26 |
20180209324 | COOLING FAN AND ACTIVE GRILLE SHUTTER CONTROL - A system for optimizing power consumption of a vehicle includes a cooling fan, an active grille shutter (AGS) system, and a plurality of heat exchangers. At least one controller is provided including a processor including computer-executable instructions for selecting a pairing of a cooling fan speed and AGS system position to provide a required airflow to a dominant one of the plurality of heat exchangers, or to an entire vehicle component system, at a minimum total combined cooling fan and AGS system power consumption. Methods for optimizing vehicle power consumption are described utilizing the system. | 2018-07-26 |
20180209325 | DEVICE FOR COOLING AND HEATING UREA SOLUTION FOR CONSTRUCTION MACHINE, AND CONTROL METHOD THEREFOR - A device for cooling and heating a urea solution to be injected into exhaust gas discharged from an engine in order to reduce nitrogen oxides in the exhaust gas includes an engine including a cooling fan, a coolant pump, and a main cooler; a urea solution tank storing the urea solution and having an embedded heat exchange pipe through which first coolant and second coolant circulates; an additional coolant tank storing the second coolant; a water pump supplying the second coolant from the additional coolant tank to the heat exchange pipe; a valve configured to be opened or closed in order to supply the first coolant and the second coolant to the heat exchange pipe through a supply line, and to move the first coolant and the second coolant, which are discharged from the heat exchange pipe through a discharge line, to rise coolant pump and the additional coolant tank, respectively and a controller for supplying the second coolant to the heat exchange pipe through the supply line when the urea solution temperature exceeds a set temperature and for supplying the first coolant to the heat exchange pipe through the supply line when the urea solution temperature is below or equal to the set temperature, and opening or closing the valve. | 2018-07-26 |
20180209326 | Fully Flexible, Self-Optimizing, Digital Hydraulic Engines and Methods with Preheat - The engines include compression cylinders, combustion cylinders, an air rail, and a heat exchanger. The methods of operating a compression ignition engine include taking air into a compression cylinder of the engine, compressing the air in the compression cylinder to raise the pressure and temperature of the air, passing the compressed air through a heat exchanger, and from the heat exchanger into a combustion cylinder, further compressing the compressed air during a compression stroke of the combustion cylinder, igniting fuel in the combustion cylinder at or near the end of the compression stroke by compression ignition, followed by a power stroke, and opening an exhaust valve at the end of the power stroke and passing at least some of the exhaust in the combustion cylinder through the heat exchanger to heat air that has been compressed in the compression cylinder and is then passing through the heat exchanger. | 2018-07-26 |
20180209327 | EXHAUST GAS SUPPLY ARRANGEMENT OF AN EXHAUST GAS TURBOCHARGER - An exhaust gas supply arrangement ( | 2018-07-26 |
20180209328 | METHOD OF CONTROLLING WASTEGATE FLOW USING PORT SIDE WALL CONTOUR - A wastegate assembly with a valve head moved linearly toward and away from a wastegate port via a valve stem. When the valve is in an open position the valve seat face of the valve head is spaced apart from the valve seat. When the valve is in a closed position the valve seat face of the valve head is secured against the valve seat. The wastegate assembly includes a sidewall surrounding the wastegate port elongated in the direction of valve movement. The contoured side wall widens going away from the valve seat. The minimum flow area through the wastegate port is controlled such that the flow is choked via the side wall rather than the valve curtain area. The contoured side wall can be recessed into the housing or extend from the housing. | 2018-07-26 |
20180209329 | TURBINE FOR AN EXHAUST TURBOCHARGER - Embodiments relate to a turbine for an exhaust gas turbocharger, which has a turbine housing in which are provided a first and a second flow duct that each has an inlet region and an outlet region. A self-regulating rotary slide valve, which has an adjustable flow duct closure element, is arranged in the inlet region of the flow ducts. | 2018-07-26 |
20180209330 | ELECTRIC SUPERCHARGER - An electric supercharger includes: a shaft including a small diameter portion, a large diameter portion having a larger diameter than that of the small diameter portion, and a step surface extending in a radial direction from an outer circumferential surface of the small diameter portion to an outer circumferential surface of the large diameter portion; a rotor core in which one end surface of a main body portion through which the small diameter portion is inserted abuts against the step surface, the rotor core formed with, in the main body portion, a receiving hole that is opened to the end surface; a magnet accommodated in the receiving hole; and an end plate inserted with the large diameter portion and facing at least a part of the magnet accommodated in the receiving hole. | 2018-07-26 |
20180209331 | INTERNAL COMBUSTION ENGINE WITH COMMON RAIL INJECTION - An internal combustion engine includes first and second common rails each having a metering or pressure regulating valve, with the valves settable at different pressure values from one another. Rotors are each sealingly and rotationally received within a respective cavity to define at least one combustion chamber of variable volume. The engine includes first and second fuel injectors for each of the rotors. Each first fuel injector is in fluid communication with the first common rail and each second fuel injector is in fluid communication with the second common rail. A method of feeding fuel in an internal combustion engine is also provided. | 2018-07-26 |
20180209333 | APPARATUS AND METHOD FOR ENGINE CLEANING - An apparatus configured to perform a static and a dynamic cleaning of an engine at the same time or separately, as well as to back-flush the oil pump screen of the engine, air purging the engine and prime the engine with oil before filling the engine with the required oil amount. The apparatus has a holding tank for storing a cleaning solution, a pump, an oil drain adapter configured to connect the apparatus to the oil drain of the engine, a transfer tank and an oil filter adapter connected to a first and a second conduit. The pump is selectively in fluid communication with the holding tank, to pump the cleaning solution from the holding tank into the engine, and with the oil drain to draw the cleaning solution out of the engine. | 2018-07-26 |
20180209334 | ELECTRIC STARTER WITH MANUAL TURNING FUNCTION - Disclosed is an electric starter with a manual turning function. A main shaft, a drive gear mechanism, a shift fork, an electromagnetic relay guide rod and a first return spring are arranged in a housing of the electric starter. A gear shifting mechanism comprises a force receiving component which extends out of the housing of the electric starter and serves as an external force applying point so as to promote the electromagnetic relay guide rod to move rightwards, a normally closed switch for cutting off a power supply of the electric starter when the force receiving component moves to an extreme position, a positioning component for locking the force receiving component when the force receiving component moves to the extreme position, and a first return component which enables the force receiving component to automatically returns to an original state when the force receiving component is unlocked. The main shaft is indirectly driven to rotate by the turning mechanism via a transmission mechanism or directly driven to rotate by the turning mechanism via a turning tool. An improvement is made to a structure of a traditional electric starter without affecting existing functions thereof, i.e., a function of manual turning is added. Therefore, a flywheel gear of a motor can be precisely positioned during maintenance so as to improve efficiency and eliminate potential safety hazards. | 2018-07-26 |
20180209335 | INTERDIGITATED COUNTER ROTATING TURBINE SYSTEM AND METHOD OF OPERATION - The present disclosure is directed to a method of operating a gas turbine engine with an interdigitated turbine section. The engine includes a fan rotor, an intermediate pressure compressor, a high pressure compressor, a combustion section, and a turbine section in serial flow arrangement. The turbine section includes, in serial flow arrangement, a first stage of a low speed turbine rotor, a high speed turbine rotor, a second stage of the low speed turbine rotor, an intermediate speed turbine rotor, and one or more additional stages of the low speed turbine rotor. The low speed turbine rotor is coupled to the fan rotor via a low pressure shaft. The intermediate speed turbine rotor is coupled to the intermediate pressure compressor via an intermediate pressure shaft. The high speed turbine rotor is coupled to the high pressure compressor via a high pressure shaft. The method includes rotating the low speed turbine rotor in a first direction along the circumferential direction; rotating the high speed turbine rotor in a second direction opposite of the first direction along the circumferential direction; and rotating the intermediate speed turbine rotor in the second direction. | 2018-07-26 |
20180209336 | THREE SPOOL GAS TURBINE ENGINE WITH INTERDIGITATED TURBINE SECTION - The present disclosure is directed to a gas turbine engine defining a radial direction, a circumferential direction, an axial centerline along a longitudinal direction, and wherein the gas turbine engine defines an upstream end and a downstream end long the longitudinal direction. The gas turbine engine includes a turbine section including a low speed turbine rotor, a high speed turbine rotor, and an intermediate speed turbine rotor. The low speed turbine rotor includes an inner shroud and an outer shroud outward of the inner shroud in the radial direction. The outer shroud defines a plurality of outer shroud airfoils extended inward of the outer shroud along the radial direction. The low speed turbine rotor further includes at least one connecting airfoil coupling the inner shroud to the outer shroud. The high speed turbine rotor is disposed upstream of the one or more connecting airfoils of the low speed turbine rotor along the longitudinal direction. The high speed turbine rotor includes a plurality of high speed turbine airfoils extended outward in the radial direction. The intermediate speed turbine rotor is disposed upstream of the one or more connecting airfoils of the low speed turbine rotor along the longitudinal direction. The intermediate speed turbine rotor includes a plurality of intermediate speed turbine airfoils extended outward in the radial direction. The intermediate speed turbine rotor is disposed among the plurality of outer shroud airfoils of the low speed turbine rotor along the longitudinal direction. | 2018-07-26 |
20180209337 | GAS TURBINE SYSTEM - The gas turbine system comprises an aeroderivative gas turbine engine and a load having a shaft line drivingly coupled to the gas turbine engine. The gas turbine engine comprises a high-pressure turbine section and a high-pressure compressor section, drivingly coupled to one another by a first turbine shaft. The gas turbine engine further comprises an intermediate-pressure turbine section and a low-pressure compressor section, drivingly coupled to one another by a second turbine shaft, coaxial to the first turbine shaft ( | 2018-07-26 |
20180209338 | HEAT EXCHANGER ASSEMBLY FOR ENGINE BLEED AIR - An aircraft engine that includes an engine core having a core compressor and a core turbine for receiving a core flow, a bypass conduit for receiving a bypass flow, a heat exchanger having at least one first passage and at least one second passage in heat exchange relationship with one another, and a turbocharger having a turbocharger compressor and a turbocharger turbine in driving engagement with each other. An inlet of the turbocharger compressor is in fluid communication with an environment of the aircraft engine. An outlet of the turbocharger compressor is fluidly connected to the bypass conduit through the at least one first passage of the heat exchanger. The core compressor is fluidly connected to an inlet of the turbocharger turbine through the at least one second passage of the heat exchanger such that the turbocharger turbine is located downstream of the heat exchanger relative to a flow circulating in the at least one second passage. | 2018-07-26 |
20180209339 | SIMPLIFIED ENGINE BLEED SUPPLY WITH LOW PRESSURE ENVIRONMENTAL CONTROL SYSTEM FOR AIRCRAFT - An environmental control system includes a low pressure tap at a location on a first compressor section of a main compressor section. The low pressure tap communicates airflow to a first passage leading to a downstream outlet. A compressor is driven by an electric motor. A combined outlet intermixes airflow from the first passage and from the compressor driven by the electric motor and passes the airflow downstream to be delivered to an aircraft use. | 2018-07-26 |
20180209340 | ASYMMETRIC INLET PARTICLE SEPARATOR SYSTEM - An asymmetric inlet particle separator system (AIPS) includes a bifurcated duct system that defines an inlet for receiving inlet air. The bifurcated duct system includes a core air channel and a scavenge air channel and is configured to separate the inlet air into core air and scavenge air. The scavenge air channel includes a first plurality of turning vanes configured to turn the scavenge air in a first direction and a second plurality of turning vanes configured to turn the scavenge air in a second direction. The AIPS also includes an asymmetric scroll coupled to the scavenge air channel. The asymmetric scroll includes a first arm having a first arm length and a second arm having a second arm length that is different than the first arm length. | 2018-07-26 |
20180209341 | GAS TURBINE CONTROL DEVICE AND METHOD, NON-TRANSITORY STORAGE MEDIUM, AND GAS TURBINE - Provided for a device and a method for controlling a gas turbine, a gas turbine control program, and the gas turbine are: a first opening setting unit that sets a first IGV opening command value for an inlet guide vane based on factors excluding a surge limit of a compressor; a second opening setting unit that sets a second IGV opening command value for the inlet guide vane based on the surge limit of the compressor, and corrects the second IGV opening command value based on a pressure in the compressor; an opening selecting unit that selects a maximum opening as an IGV opening command value for the inlet guide vane among the first IGV opening command value and the second IGV opening command value; and an opening control unit that adjusts the opening of the inlet guide vane based on the IGV opening command value S selected by the opening selecting unit. | 2018-07-26 |
20180209342 | GAS TURBINE ENGINE WITH HEAT PIPE SYSTEM - A gas turbine engine includes a rotor section proximate to a combustor section, where the rotor section is subject to bowing effects due to thermal differences and heat transfer at engine shutdown. The gas turbine engine also includes a heat pipe system. The heat pipe system includes one or more heat pipes installed between an upper portion of the rotor section and a lower portion of the rotor section. The heat pipe system is operable to accept heat at a hot side of the heat pipe system at the upper portion, flow heat from the hot side to a cold side of the heat pipe system, and reject heat from the cold side of the heat pipe system at the lower portion to reduce a thermal differential between the upper portion and the lower portion at engine shutdown. | 2018-07-26 |
20180209343 | INTERCOOLED COOLING AIR SYSTEM WITH BYPASS - An intercooled cooling system for a gas turbine engine includes a heat exchanger in fluid communication with a cooling airflow source directed through the heat exchanger and an auxiliary compressor fluidly coupled to the heat exchanger via a discharge duct to compress the cooling airflow exiting the heat exchanger. A compressor discharge pathway directs a first portion of the cooling airflow from the auxiliary compressor to a first cooling location of the gas turbine engine, and a bypass pathway is fluidly coupled to the discharge duct between the heat exchanger and the auxiliary compressor to direct a second portion of the cooling airflow to a second cooling location of the gas turbine without passing through the auxiliary compressor. | 2018-07-26 |
20180209344 | FUEL METERING DEVICE PROTECTED AGAINST ICING - A fuel metering unit comprising a movable element including at least one fuel flow section opening upstream towards a fuel supply duct and opening downstream towards a utilization duct through a metering slot with a flared profile having a narrow flow section and a wide flow section, the movable element able to be moved with respect to a stationary element between a low flow rate position and a high flow rate position, the metering slot made in the stationary element or in the movable element and its obstruction obtained by covering the slot with a wall of the movable element or of the stationary element. | 2018-07-26 |
20180209345 | PIEZOELECTRIC VIBRATORY CONTROL FOR STATIC ENGINE COMPONENTS - A gas turbine engine assembly includes a static component and a rotatable component configured to rotate about a central axis of the gas turbine engine assembly relative to the static component. The gas turbine engine assembly further includes a vibration-dampening system configured to dampen vibration of the gas turbine engine assembly. | 2018-07-26 |
20180209346 | ISOLATION OF AN AIRCRAFT TURBO ENGINE TANK IN CASE OF A FIRE BY CLOSING A VALVE SENSITIVE TO THE RELEASE OF AN EXTINGUISHING AGENT - A method for isolating a tank of combustible fluid from a downstream portion of a fluid supply system for a turbine engine is provided. The supply system includes the tank and a cutoff valve located between the tank and the downstream portion. The cutoff valve is configured to limit a flow of fluid towards the downstream portion. The cutoff valve is fluidically linked to a fire extinguishing system by a fluid communication device. The method includes a step of closing the cutoff valve in response to an increase in extinguishant pressure in the fluid communication device. | 2018-07-26 |
20180209347 | DUAL INLINE VALVE WITH MANUAL OVERRIDE - A starter air valve comprising: a housing comprising an inlet at a first end, an outlet at a second end opposite the first end, and a center portion between the first and second end, the outlet being fluidly connected to the inlet through a fluid passage; a first piston located within the housing between first end and center portion, the first piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position; a second piston located within the housing between second end and center portion, the second piston configured to block airflow through the fluid passage when in a closed position and allow airflow through the fluid passage when in an open position; and a manual override system configured to move from closed to open position at least one of the first and second pistons. | 2018-07-26 |
20180209349 | DUAL INLINE STARTER AIR VALVE - A starter air valve comprising: a housing comprising an inlet at a first end, an outlet at a second end opposite the first end, and a center portion between first end and second end, the outlet being fluidly connected to the inlet through a fluid passage; a first piston located within the housing between the first end and center portion, the first piston comprising: a first cupped portion configured to form a first chamber with the housing proximate the first end; and a second piston located within the housing between the second end and center portion, the second piston comprising: a third cupped portion configured to form a third chamber with the housing proximate the second end; wherein the pistons are configured to regulate airflow through the fluid passage by adjusting at least one of a first pressure within the first chamber and a third pressure within the third chamber. | 2018-07-26 |
20180209350 | Advanced Geared Gas Turbine Engine - A gas turbine engine comprises a fan rotor driven by a fan drive turbine, the fan drive turbine also rotating with one of a ring gear, an intermediate gear carrier, and a sun gear. A first compressor is driven by another of the ring gear, the intermediate gear carrier, and the sun gear. A second turbine rotates with the third of the ring gear, the intermediate gear carrier, and the sun gear. | 2018-07-26 |
20180209351 | METHOD FOR CONTROLLING SURGE MARGIN OF GAS TURBINE AND EXTRACTION DEVICE FOR GAS TURBINE - Disclosed herein is a method for controlling a surge margin of a gas turbine and an extraction device for a gas turbine. The method for controlling the surge margin of the gas turbine and the extraction device for the gas turbine may support stable operation of a compressor unit in the gas turbine, thereby improving the efficiency of the gas turbine and minimizing vibration and noise of the gas turbine. | 2018-07-26 |
20180209352 | FLOW RATIO CALCULATION DEVICE, CONTROL DEVICE PROVIDED WITH SAME, GAS TURBINE PLANT PROVIDED WITH SAID CONTROL DEVICE, FLOW RATIO CALCULATION METHOD, AND METHOD FOR CONTROLLING FUEL SYSTEM - A flow ratio calculation device is provided with: a flow volume ratio computer that, using a predetermined relationship between a first parameter that can express a combustion state in a combustor and a flow volume ratio of fuels flowing through multiple fuel systems, finds a flow volume ratio based on the value of the first parameter; a correction value computer that finds a correction value of the flow volume ratio when the load of a gas turbine changes; a fluctuation sensor that senses fluctuations in a value correlated with the gas turbine load; and a corrector that corrects the flow volume ratio found by the flow volume ratio computer with the correction value found by the correction value computer when a fluctuation in the load correlated value is sensed by the fluctuation sensor. | 2018-07-26 |
20180209353 | POWER PLANT WITH EMERGENCY FUEL SYSTEM - A method for operating a power plant having a gas turbine and an emergency fuel system where in a normal operating state, gas is supplied from a supply line to the combustion process of the gas turbine, and in addition gas is supplied from the supply line to a gas liquefaction plant where it is liquefied, forming a liquid gas which is stored in a liquid gas store. In special operating state, liquefied gas is drawn from the liquid gas store and is evaporated in an evaporator, and is fed in the gaseous state into the combustion process of the gas turbine. | 2018-07-26 |
20180209354 | VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE - A variable compression ratio internal combustion engine is provided with a variable compression ratio mechanism in which a mechanical compression ratio of the internal combustion engine changes in accordance with a rotational position of a control shaft, a low compression ratio side stopper, a high compression ratio side stopper, a sensor for detecting a rotational position of a drive shaft of an actuator, and an arm press-fitted onto the drive shaft Relative rotation between the arm and the drive shaft occurs when a torque exceeding an upper-limit torque has been applied, The drive shaft or the control shaft is caused to move to restriction positions restricted by the respective stoppers, and then a diagnosis on the presence or absence of the relative rotation is executed, based on the detected values at the respective restriction positions. | 2018-07-26 |
20180209355 | ENGINE CONTROL METHOD AND VEHICLE TRAVELING CONTROL DEVICE - An engine control method includes determining an intention of a driver for acceleration during vehicle traveling, stopping fuel supply to an engine when a determination is made that the driver does not have the intention for acceleration, detecting a speed of the vehicle during inertial traveling, with fuel supply to the engine kept stopped, permitting restart of the engine when a determination is made that the driver has the intention for acceleration after stopping the fuel supply to the engine, prohibiting the restart of the engine until an engine rotational speed drops to or below a predetermined rotational speed threshold, even when the restart of the engine is permitted, restarting the engine after the engine rotational speed drops to or below the predetermined rotational speed threshold, and changing the rotational speed threshold depending on the detected speed. The rotational speed threshold increases with increase in the detected speed. | 2018-07-26 |
20180209356 | ENGINE-DRIVEN ELECTRICITY GENERATION SYSTEM USING DIESEL ENGINE FROM SCRAPPED VEHICLE CAPABLE OF USING BOTH DIESEL AND LNG - An engine-driven electricity generation system can selectively use diesel and LNG as fuel by recycling a diesel engine from a scrapped vehicle and heats intake air with an electric heater to start an engine using LNG and then heats the intake air using heat from a high-temperature exhaust gas after starting the engine, thereby accelerating ignition of LNG. | 2018-07-26 |
20180209357 | Method and Apparatus for Controlling Engine Speed of a Work Machine - The invention is related to a method for controlling the rotational speed of an engine operating as the power source of a work machine, preferably an agricultural harvester, wherein a change in the load required from the engine during operation of the machine results in the controlled change of the engine speed towards a target value defined by a control curve, wherein the controlled change takes place according to one of a plurality of active control characteristics, depending on the degree of change in the engine speed detected as a direct consequence of the load change. A faster or slower speed change may for example be selected, and/or the target value may be continuously updated. According to a further embodiment, the control curve is referenced to the crop load, being the part of the load related to crop processing. The invention is related also to a machine equipped with a control mechanism configured to implement the method of the invention. | 2018-07-26 |
20180209358 | CONTROL DEVICE FOR STARTING AN ENGINE OF A VEHICLE - A control device for a vehicle includes an electronic control unit which executes electric assist of rotation of an engine crankshaft by a motor in association with engagement of a clutch, at the time of an ignition start in which fuel injection and sparking are executed with respect to a target cylinder, which has been stopped in an expansion stroke. The electronic control unit corrects at least one of the initiation timing of sparking which is to be initially performed in the target cylinder at the time of the ignition start and an electric assist torque which is to be used for the ignition start, on the basis of a combination of the relationship between an acquisition value and an estimation value of a torque indication value, and the relationship between an acquisition value and an estimation value of an ignition delay time. | 2018-07-26 |
20180209359 | SYSTEMS AND METHODS FOR MANAGING PURGE PATHWAY PRESSURE IN TURBOCHARGED ENGINES - Methods and systems are provided for operating an evaporative emissions system in a turbocharged engine. In one example, a method may include pulsing open a canister purge valve responsive to the turbocharged engine entering a boosted mode of operation. The canister purge valve may be opened for a duration long enough to close a check valve coupled between the canister purge valve and an intake of the engine. | 2018-07-26 |
20180209360 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An operating range boundary for switching a cam for driving an intake valve (drive cam) is changed in a direction of decreasing an engine load if a target EGR rate is predicted to increase across the contour line shown in FIG. | 2018-07-26 |
20180209361 | POWER TRAIN SYSTEM - To provide a novel power train system capable of improving fuel efficiency, reducing harmful components of an exhaust gas, and improving an output by adjusting a composition of a gas component of the exhaust gas in accordance with an operation condition. Therefore, provided is a power train system including a gas component separation unit ( | 2018-07-26 |
20180209362 | METHOD FOR DETERMINING THE STATE OF ROTATION OF A CAMSHAFT OF A VEHICLE ENGINE - Disclosed is a method for determining the state of rotation of a camshaft of a vehicle engine, notable in that the method for determining the state of rotation of the camshaft determines that the state of rotation of the camshaft is “in the process of stalling”, corresponding to an intermediate state of rotation, when the time elapsed since the last detection of a camshaft wheel tooth-front by the sensor exceeds Tcam_cal, Tcam_cal being defined as the theoretical length of time needed for the camshaft wheel to cover an angular distance equal to the maximum angular distance separating two successive camshaft wheel tooth-fronts at a camshaft rotational speed corresponding to a predetermined low engine speed higher than the minimum engine speed tolerated by the engine. | 2018-07-26 |
20180209363 | Control Device for Internal Combustion Engine - A control device for an internal combustion engine includes an electronic control unit. The electronic control unit is configured to execute temperature rise processing in which a temperature of a catalyst is raised by an air-fuel ratio of at least one of a plurality of cylinders being controlled to a rich air-fuel ratio, an air-fuel ratio of each of the other cylinders being controlled to a lean air-fuel ratio, and a fuel being ignited, and allow the temperature rise processing to continue, by allowing the fuel injection to continue while prohibiting the ignition of the fuel, in a case where the fuel cut request is present and the temperature of the catalyst is equal to or higher than the threshold during the execution of the temperature rise processing. | 2018-07-26 |
20180209364 | CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE - The control system of an internal combustion engine controls an internal combustion engine comprising an exhaust sensor. The control system comprises a motoring device driving rotation of a crankshaft of the internal combustion engine, a motoring control part configured to control the motoring device, a heater control part configured to control supply of electric power to the heater, and a temperature estimating part configured to estimate a temperature of the sensor element. The motoring control part is configured to drive the motoring device for a predetermined time when the temperature of the sensor element estimated by the temperature estimating part is outside a predetermined cracked element temperature region while the heater control part is supplying electric power to the heater, and stop driving the motoring device when the temperature of the sensor element is within the cracked element temperature region. | 2018-07-26 |
20180209365 | CONTROL DEVICE FOR FUEL INJECTION DEVICE - A set spring force is estimated with high precision and a drive waveform is corrected according to the results. A control device of a fuel injection device consists of an incorporation means of reading a drive voltage of a solenoid, an inflexion point extraction filter for filtering the drive voltage to highlight inflexion points, a means of selecting a later inflexion point or a means of calculating a temporal difference between a later inflexion point and an earlier inflexion point of the extracted inflexion points, and a drive current correction means of correcting a drive current parameter on the basis of timing of the selected, later inflexion point or a temporal difference between the inflexion points. | 2018-07-26 |
20180209366 | Drive Device for Fuel Injection Device, and Fuel Injection System - A drive device capable of detecting individual variations of an injection quantity of a fuel injection device of each cylinder and adjusting a current waveform provided to an injection pulse width and a solenoid such that the individual variations of the fuel injection devices are reduced. The fuel injection device in the present invention includes a valve body that close a fuel passage by coming into contact with a valve seat and opens the fuel passage by separating from the valve seat and a magnetic circuit constructed of a solenoid, a fixed core, a nozzle holder a housing and a needle and when a current is supplied to the solenoid a magnetic suction force acts on the needle and the needle has a function to open the valve body by colliding against the valve body after performing a free running operation and changes of acceleration of the needle due to collision of the needle against the valve body are detected by a current flowing through the solenoid. | 2018-07-26 |
20180209367 | MISFIRE DETERMINATION DEVICE FOR INTERNAL COMBUSTION ENGINE - A misfire determination device for an internal combustion engine includes an electronic control unit configured to determine whether execution of temperature rise processing in which a temperature of a catalyst is raised by an air-fuel ratio of one of the cylinders being controlled to be a rich air-fuel ratio lower than a stoichiometric air-fuel ratio and an air-fuel ratio of each of the other cylinders being controlled to be a lean air-fuel ratio higher than the stoichiometric air-fuel ratio is ongoing, determine occurrence of misfire based on whether a rotation variation amount of the internal combustion engine during non-execution of the temperature rise processing exceeds a first misfire determination value, and determine occurrence of misfire based on whether the rotation variation amount during the execution of the temperature rise processing exceeds a second misfire determination value exceeding the first misfire determination value. | 2018-07-26 |
20180209368 | FUEL TANK PRESSURE SENSOR RATIONALITY TESTING USING V2X TECHNOLOGY - Methods and systems are provided for conducting a fuel tank pressure transducer rationality test diagnostic procedure in vehicles with sealed fuel tanks. In one example, vehicle-to-vehicle (V2V) or vehicle-to-infrastructure-to-vehicle (V2I2V) technology may be utilized to obtain fuel tank pressure transducer data from a select crowd of vehicles, where the select crowd may be based on the vehicles in the select crowd experiencing similar ambient temperature and weather as the vehicle being diagnosed. In this way, FTPT data from vehicles in the select crowd may be compared to FTPT data in the vehicle being diagnosed, in order to indicate whether the FTPT in the vehicle being diagnosed is functioning as desired, where such a diagnostic can be performed without unsealing the fuel tank on either the vehicle being diagnosed or the vehicles in the select crowd, and which may thus reduce undesired evaporative emissions. | 2018-07-26 |
20180209369 | SYSTEMS AND METHODS FOR MONITORING A FUEL SYSTEM - An example system includes a controller configured to: receive pressure information indicative of a pressure level of the pressurized fuel between an electro-mechanical valve and an engine; based on the pressure level being below a first threshold pressure, send a first signal to open the electro-mechanical valve; determine, based on the pressure information, that the pressure level is increasing upon sending the first signal; in response to the pressure level increasing, send a second signal to activate a pump; determine that the pressure level has increased to a second threshold pressure; and provide information indicating that the engine is ready for operation. | 2018-07-26 |
20180209370 | FUEL INJECTION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A fuel injection control device for an internal combustion engine includes an electronic control unit configured to execute division processing for learning for dividing a requested injection amount into an injection amount of partial lift injection of an in-cylinder injection valve and a port injection amount of injection of a port injection valve, detect, on the basis of at least one of a terminal electric potential of a coil and a current flowing through the coil, an inflection point of a change in induced electromotive force of the coil in time attributable to a decline in a relative speed of a mover with respect to the coil, and correct the energization processing at a time when the partial lift injection is executed based on a timing of the detection of the inflection point. | 2018-07-26 |
20180209371 | METHOD FOR CONTROLLING THE RAIL PRESSURE IN AN INJECTION SYSTEM - A method for regulating the rail pressure in an injection system of a motor vehicle is described. For the purpose of regulating the rail pressure, a high-pressure pump, which is provided with a digital inlet valve, is actuated, wherein the digital inlet valve is activated such that it is matched to the delivery and suction phase physically present. In this way, it is possible for pressure regulation to be achieved by way of a digital valve even for transmission ratios at which the pump does not have exactly a multiple of delivery and suction phases during two engine cycles. | 2018-07-26 |
20180209372 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE COMPRISING A HIGH-PRESSURE FUEL INJECTION SYSTEM - A method for operating an internal combustion engine having a high-pressure fuel injection system stops and starts the engine independently of an intervention by the motor vehicle operator and then restarted. A high-pressure fuel pump is used to pump fuel to a high-pressure reservoir to which at least one high-pressure fuel injector is connected in order to inject fuel into the at least one cylinder of the internal combustion engine. Fuel pressure can be adjusted on the high-pressure side using an electrically actuated pressure reduction valve (PDV). | 2018-07-26 |
20180209373 | DEVICE FOR CONTROLLING FUEL INJECTION IN INTERNAL COMBUSTION ENGINE - A control device for controlling a fuel injection in an internal combustion engine provided with a fuel injection valve has a driving portion supplying an electric power to a terminal of the fuel injection valve so as to drive the fuel injection valve to be opened; a current detecting portion detecting a drive current flowing through the fuel injection valve when the fuel injection valve is driven to be opened; a voltage detecting portion detecting a terminal voltage of the terminal of the fuel injection valve; a correction portion correcting the electric power supplied by the driving portion so that an actual value of the drive current detected by the current detecting portion agrees with a target value; a valve close detecting portion detecting a valve closing timing of the fuel injection valve based on the terminal voltage detected by the voltage detecting portion in a condition where the electric power supplied by the driving portion is corrected by the correction portion. | 2018-07-26 |
20180209374 | SYSTEM AND METHOD FOR POSITIONING AN INSERT IN AN ENGINE - An apparatus is provided including an insert for an engine. The insert includes an elongated body sized to be positioned in an opening defined in the engine. The elongated body extends along a longitudinal axis from an upper end to a lower end. A fin extends outwardly from the elongated body. A flange extends outwardly from at least one of the fin and the elongated body. A locking mechanism is coupled to the elongated body and is moveable along the longitudinal axis between a first position in which the locking mechanism is positioned in the elongated body and a second position in which the locking mechanism extends outwardly from the lower end of the elongated body. | 2018-07-26 |
20180209375 | PISTON WITH ANTI-COKING DESIGN FEATURES - A steel piston with anti-coking design features is provided. The piston includes an upper crown portion and a lower crown portion forming an outer cooling gallery therebetween. The outer cooling gallery is substantially closed except for an oil inlet, oil outlet, and optional oil passage(s) to a central cooling gallery. According to one embodiment, at least one anti-coking insert is disposed in the outer cooling gallery and sized to prevent escaping through the oil inlet or the oil outlet. For example, the insert(s) can comprise a helical coil, a plurality of steel balls, coil springs, or chips formed of polymer with abrasive filler. Alternatively, an outer gallery floor to the outer cooling gallery includes a plurality of anti-coking openings disposed sequentially in decreasing spaced relation from one another, or anti-coking openings with varying lengths. | 2018-07-26 |
20180209376 | AIRCRAFT THRUST REVERSER SYSTEM WITH ALTERNATE REVERSE THRUST LOAD PATH - A thrust reverser system for a gas turbine engine includes a support structure, a transcowl, and an actuator. The transcowl is mounted on the support structure and is axially translatable between a stowed position and a deployed position. The actuator is coupled to the transcowl and the support structure, and is configured to supply an actuation force to the transcowl to thereby move the transcowl between the stowed and deployed positions. The actuator includes an actuator housing, a screw, a nut, a rod end, and a tension rod. The tension rod is engaged by the nut when the transcowl is in the deployed position and is engaged by the rod end when the transcowl is in the stowed position, whereby actuator loads, in both the deployed and stowed positions, are transmitted through the tension rod to the support structure. | 2018-07-26 |
20180209377 | THRUST REVERSER ACTUATING - A thrust reverser includes: a thrust-reversing element movable between a stowed position and a deployed position; at least one hydraulic actuator operably coupled to move the thrust-reversing element between the stowed and deployed positions; at least one hydraulic primary lock configured to transition, in response to a first activation pressure, between an engaged state, where movement of the thrust-reversing element is inhibited, and a released state, where movement of the thrust-reversing element is uninhibited; and a directional control unit fluidly coupled to the hydraulic actuator and the hydraulic primary lock, the directional control unit configured to transition from a first stage to a second stage in response to a second activation pressure that is greater than the first activation pressure, and where a transition from the first stage to the second stage by the directional control unit causes the hydraulic actuator to move the thrust-reversing element to the deployed position. | 2018-07-26 |
20180209378 | AIRCRAFT PROPULSION ASSEMBLY COMPRISING A THRUST REVERSER - An aircraft propulsion assembly, including a turbine engine comprising at least one gas generator configured to generate a main flow, which is supplied by a central jet to at least one power turbine, the central jet being surrounded by an outer fairing, and the power turbine driving, on the periphery thereof, at least one fan rotor. The aircraft propulsion assembly comprises first movable means which are arranged so as to divert at least some of the main flow from the central jet to the outside of the outer fairing and preferably upstream of the turbine engine so as to generate thrust reversal. An aircraft which uses the propulsion assembly, particularly on the rear tip of the fuselage of the aircraft. | 2018-07-26 |
20180209379 | LOW PRESSURE RATIO FAN ENGINE HAVING A DIMENSIONAL RELATIONSHIP BETWEEN INLET AND FAN SIZE - According to an example embodiment, a gas turbine engine assembly includes, among other things, a fan section including a fan, the fan including a plurality of fan blades, a diameter of the fan having a dimension D that is based on a dimension of the fan blades, each fan blade having a leading edge, and a forward most portion on the leading edges of the fan blades in a first reference plane, a turbine section including a high pressure turbine and a low pressure turbine, the low pressure turbine driving the fan, a nacelle including an inlet portion forward of the fan, a forward edge on the inlet portion in a second reference plane, and a length of the inlet portion having a dimension L measured along an engine axis between the first reference plane and the second reference plane. A dimensional relationship of L/D is no more than 0.45. | 2018-07-26 |
20180209380 | AIRCRAFT COMPRISING TWO CONTRA-ROTATING FANS TO THE REAR OF THE FUSELAGE, WITH SPACING OF THE BLADES OF THE DOWNSTREAM FAN - The invention relates to an aircraft comprising a fuselage ( | 2018-07-26 |
20180209381 | Persistent Vortex Generating High Regression Rate Solid Fuel Grain for A Hybrid Rocket Engine - A cylindrically-shaped hybrid rocket engine solid fuel grain defines an axial combustion port. A fuel grain material comprises a compounded blend of thermoplastic fuel and aluminum. The fuel grain comprises fused stack layers, each layer comprising a plurality of fused abutting concentric beaded structures arrayed to define the combustion port; the port exhibits a rifling pattern or rifling inducing geometry along the port wall. When an oxidizer is introduced into the combustion port combustion occurs along the exposed port wall. Each beaded structure defines a geometry that increases the combustion surface area while inducing a vortex flow of oxidizer and fuel gas. As each layer ablates, an abutting layer exhibiting a similar geometry, is revealed, undergoes a gas phase change, and ablates. This process repeats and persists until oxidizer flow is terminated or the fuel grain material is exhausted. The fuel grain may be manufactured by an additive manufacturing process. | 2018-07-26 |
20180209382 | MIXING DEVICE AND METHOD OF MAKING AND USING THE SAME - A number of variations may include a product including a mixing device comprising a housing including a first fluid intake port, a fluid output port, a fluid flow conduit transversely connecting the first fluid intake port to the fluid output port, a second fluid intake port radially distal from the fluid flow conduit, and an at least partially annular second fluid flow compartment radially connecting the second fluid intake port to the fluid flow conduit, wherein the second fluid flow compartment is oriented to at least partially surround a portion of the fluid flow conduit and wherein the second fluid flow compartment is constructed and arranged to facilitate the mixing of incoming first fluid flow and incoming second fluid flow to create a fluid mixture that flows through the fluid flow conduit. | 2018-07-26 |
20180209383 | COOLING SYSTEM PROVIDED WITH INTERCOOLER AND CONTROL METHOD THEREOF - A cooling system may include an intercooler configured to heat-exchange a coolant and air, a radiator configured to cool a coolant heated in an engine through heat-exchange with air, a low temperature radiator configured to cool the coolant of the intercooler, a thermostat selectively fluid-connected to the radiator or the intercooler to supply the coolant from the radiator or the intercooler to the engine, a first control valve configured to selectively supply the coolant which has passed through the intercooler to the radiator, a second control valve configured to selectively supply the coolant which has passed through the engine to the intercooler or the first control valve, and a controller configured to control operations of the thermostat, the first control valve, and the second control valve according to a temperature of the coolant of the engine and a temperature of intake air. | 2018-07-26 |
20180209384 | SPACE OPTIMIZING AIR FILTER - An air filter and methods are provided for optimizing filtration of an airstream passing through a volume within an air cleaner cover of an internal combustion engine. The air filter comprises a base plate that includes an inlet receiver for passing the airstream into an air inlet of the engine. A top plate comprises a receiver for fastening the air cleaner cover onto the air filter. Countersinks in the top plate and sleeves extending through the air filter facilitate fastening the air filter onto the air inlet of the engine. The air filter has a tapering height along a length of the air filter to maximize the total surface area of a filter medium within the volume between the air cleaner cover and the engine, and to take advantage of a relatively greater airflow due to a ram air opening in the air cleaner cover. | 2018-07-26 |
20180209385 | DEVICE FOR ATTACHING A CONTROL UNIT TO AN INTERNAL COMBUSTION ENGINE - The present disclosure relates to a device for attaching a control unit, preferentially an electronic engine control unit, to a component of an internal combustion engine. The device includes a first connecting component which is designed in order to be attached to the component of the internal combustion engine the first connecting component comprising a first fluid duct. The device further includes a second connecting component, which, via at least one damping element, is attached, spaced from the first fluid duct, to the first connecting component and is designed for mounting the control unit. | 2018-07-26 |
20180209386 | SUCTION FILTER AND FUEL SUPPLY DEVICE - A filter element is installed in an inside of a fuel tank to filter stored fuel by passing the stored fuel into an inside space through the filter element. A partition wall element is exposed in the inside space. The partitioning portion includes: a partitioning portion that is placed to partially partition the inside space into a first space, into which filtered fuel filtered through the filter element is supplied, and a second space, in which a suction inlet for suctioning the filtered fuel opens, wherein the partitioning portion conducts the filtered fuel from the first space to the second space; and a communication window that is formed in the partitioning portion at a location, which is offset to a side that is away from the suction inlet, wherein the communication window communicates between the first space and the second space while bypassing the partitioning portion. | 2018-07-26 |
20180209387 | Fuel Filter - A fluid drain off system for a fuel filter, the system comprising a float, movable together with a trigger device for a switch, such as a magnet, in response to the level of fluid contaminant, a switch arranged to be selectively triggered by the trigger device upon the fluid contaminant reaching a predetermined level, and a fluid passage configured to be selectively opened in response to the triggering of the switch to allow fluid contaminants to be drained from the filter. | 2018-07-26 |
20180209388 | VALVE FOR METERING A FLUID - A fluid metering valve includes a housing, an electromagnetic actuator that includes an armature that is separated from an inner wall of the housing by an annular gap, a throttle element connected to the armature or the housing and arranged in the annular gap to dampen a movement of the armature that is opposite to an opening direction, a valve seat surface, a valve closing body that cooperates with the valve seat surface to form a sealing seat, and a valve needle that (a) is actuatable by the actuator, (b) is arranged for actuating the valve closing body (c) extends through a borehole in the armature so that the armature is movably guidable on the valve needle, and (d) includes a stop arranged such that, during an actuation, the armature strikes against the stop in the opening direction to thereby open the sealing seat. | 2018-07-26 |
20180209389 | DIAPHRAGM DAMPER - Peripheral sections of two diaphragms are stacked on each other. The peripheral sections of the two diaphragms form an outer rim of a diaphragm damper. The outer rim is continuously sealed and joined by laser welding over the entire circumference of the outer rim. The thickness of the tip of the outer rim is set in correspondence with the spot diameter of a laser beam at the tip of the outer rim. A weld bead is formed by welding in the entire area of the tip of the outer rim. | 2018-07-26 |
20180209390 | Filter for a Fuel Injector - A fuel injector filter is disclosed. The filter may include an inner ring concentrically surrounded by an outer ring. The inner ring may radially extend between an inner ring inner perimeter and an inner ring outer perimeter, and comprise a first port radially extending between the inner ring inner perimeter and the inner ring outer perimeter. The outer ring may radially extend between an outer ring inner perimeter and an outer ring outer perimeter, and comprise a first aperture radially extending between the outer ring inner perimeter and the outer ring inner perimeter. The first aperture may be circumferentially offset from the first port. A filtration channel may radially extend between the inner ring outer perimeter and the outer ring inner perimeter and be configured to impede movement of a particle toward the first port. | 2018-07-26 |
20180209391 | GASOLINE ENGINE STARTING RELAY AND METHOD OF STARTING A GASOLINE ENGINE - The present invention relates to the field of power tool devices, and more specifically, to a gasoline engine starting relay and a method of starting a gasoline engine. The small two-stroke or four-stroke gasoline engine starting relay comprises a housing, a power transfer end assembly, a power output end assembly, wherein the housing is provided with a device tube slot which has holes on both sides, namely a power transfer end hole and a power output end hole respectively, and which is mated with the power transfer end assembly and the power output end assembly. It can significantly improve and resolve the starting performance of a gasoline engine, and avoid difficulty in the hand-pulled starting so that the starting effect on a gasoline engine with large emissions for female workers, who may find difficulty in hand-pulled starting, is extremely obvious. | 2018-07-26 |
20180209392 | A DRIVE SYSTEM FOR AN ENGINE ARRANGEMENT - A drive system is provided for an engine arrangement, which includes a gear reduction mechanism such as an epicyclic gearing including first junction element connected to an engine crankshaft, second junction element connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory, and third junction element. A free wheel is connected to a non-rotating part of the engine arrangement. In a first operating phase of the drive system, the free wheel is coupled to the third junction element and is configured such that when the third junction element exerts torque on the free wheel in one direction, the free wheel is in an engaged state and stops the rotation of the third junction element, and, when the third junction element exerts torque on the free wheel in the opposite direction, the free wheel is in a free state and allows rotation of the third junction element. | 2018-07-26 |
20180209393 | UNIFIED SYSTEM FOR WARMING VEHICLE COMPONENTS USING AN EXHAUST GAS HEAT RECOVERY SYSTEM - An exhaust gas heat recovery (EGHR) system for a vehicle is configured to selectively distribute a fluid heated by engine exhaust through a coolant path for heating an engine, a transmission and a battery during cold operating conditions until a desired operating temperature is reached. In response to receiving one or more heating requests from the engine, transmission and/or battery, a controller distributes the fluid through the coolant path according to a priority level for each heating request received, wherein the priority level for each heating request may be based on current vehicle operating conditions and/or driver demand. | 2018-07-26 |