36th week of 2019 patent applcation highlights part 23 |
Patent application number | Title | Published |
20190271265 | METHOD OF MONITORING AN ENGINE ABLE TO OPERATE WITH SELECTIVE VALVE DEACTIVATION - A method is provided for monitoring the operation of intake valves of an internal combustion engine, where at least one or more cylinders of the engine have more than one intake valve, and adapted to operate in different modes where at least one of the intake valves for a particular cylinder can be selectively activated, or deactivated so as not to open during a firing sequence for the cylinder. The method includes a) monitoring the intake manifold air pressure; b) during a time window with respect to the intake phase for said respective cylinder, determining the condition of whether the manifold pressure drops by a threshold or to a particular threshold level; and c) determining the functionality of the intake valves dependent on the outcome of step b). | 2019-09-05 |
20190271266 | SYSTEMS AND METHODS FOR POWER PRODUCTION USING A CARBON DIOXIDE WORKING FLUID - The present disclosure relates to systems and methods for power production utilizing a recirculating working fluid. In particular, a portion of the recirculating working fluid can be separated from the main stream of recirculating working fluid as a bypass stream that can be compressed for adding heat to the system. | 2019-09-05 |
20190271267 | HEAT EXCHANGER - A heat exchanger for a ducted fan gas turbine engine has a low temperature side and plural high temperature sides. The heat exchanger is configured such that heat is extracted from respective engine fluids flowing through the high temperature sides and is received by a portion of a bypass airflow of the engine which, on passing through the fan duct, is diverted through the low temperature side of the heat exchanger thereby cooling the engine fluids. | 2019-09-05 |
20190271268 | Turbine Engine With Rotating Detonation Combustion System - A turbine engine including a compressor rotor and a rotating detonation combustion (RDC) system. The compressor rotor includes a compressor airfoil defining a trailing edge disposed within a core flowpath of the turbine engine. The core flowpath defines a radial distance between an outer radius and an inner radius at the compressor rotor. The RDC system includes an outer wall and an inner wall each extended along a lengthwise direction and defining a detonation chamber therebetween. The RDC system further includes a strut defining a nozzle assembly and a fuel injection opening providing a flow of fuel to the detonation chamber. The compressor rotor provides a flow of oxidizer in direct fluid communication to the nozzle assembly of the RDC system. | 2019-09-05 |
20190271269 | ELONGATED GEARED TURBOFAN WITH HIGH BYPASS RATIO - A propulsion system includes a fan, a gear, a turbine configured to drive the gear to, in turn, drive the fan. The turbine has an exit point, and a diameter (D | 2019-09-05 |
20190271270 | INTEGRATED VDA HOUSING WITH ANTI-ROTATION FEATURE - A throttle control assembly which includes a housing, an adapter integrally formed with the housing, an anti-rotation feature integrally formed with the housing and the adapter, and a scallop. The scallop substantially surrounds the anti-rotation feature, and the anti-rotation feature and the scallop are integrally formed with the housing and the adapter during a molding process, such as a metal injection molding process, or a casting process. A first groove is integrally formed as part of the adapter, a second groove is integrally formed as part of the housing, and a rib portion is disposed between the first groove and the second groove. A lower wall portion is integrally formed as part of the housing, such that the lower wall portion is adjacent the scallop. A portion of the scallop is integrally formed as part of the housing, and a portion of the scallop is integrally formed as part of the adapter. | 2019-09-05 |
20190271271 | EVAPORATED-FUEL TREATING APPARATUS AND FUEL INJECTION CONTROL APPARATUS FOR ENGINE PROVIDED WITH THE SAME - An evaporated-fuel treating apparatus is configured to collect vapor generated in a fuel tank into a canister, and purge the temporarily collected vapor to an intake passage through a purge passage provided with a purge valve. An ECU controls the purge valve according to an engine operating state to control a purge flow rate of the vapor. The ECU calculates an intake change amount between an intake amount detected when the purge valve is closed not to perform purge and an intake amount detected when the purge valve is opened to perform purge, and calculates an estimated purge flow rate based on an opening degree of the purge valve in an open state and intake pressure detected at that time. The ECU calculates a vapor density difference based on the intake change amount and the estimated purge flow rate and calculates a vapor concentration based on the density difference. | 2019-09-05 |
20190271272 | MIXED FUEL SYSTEM - The present invention provides a novel combination of devices to measure and transmit to an electronic controller data pertaining to differential pressures, temperatures, regeneration status, exhaust content, accumulated gas consumption and substitute fuel consumption. The electronic controller compares the data to thresholds; when the controller receives signals indicating these thresholds or limits are met, the controller causes the gas substitution rate to be diminished or set to zero until after-treatments elements are fully regenerated thereby facilitating integration of a mixed fuel system with an application internal combustion engine. | 2019-09-05 |
20190271273 | SYSTEMS AND METHODS FOR INFERRING FUEL VAPOR CANISTER LOADING RATE - Methods and systems are provided for indicating a restriction in a fuel system vapor recovery line. Responsive to such an indication, methods and systems are provided for taking mitigating actions such that an entirety of a vehicle fuel system and evaporative emissions system, including a fuel filler system, may be diagnosed as to a presence or absence of undesired evaporative emissions, even with the restriction in the vapor recovery line present. In this way, undesired evaporative emissions may be reduced or avoided, completion rates for such tests may be increased, and customer satisfaction may be improved. | 2019-09-05 |
20190271274 | AN INFERENTIAL FLOW SENSOR - A system and an approach for determining various flows in an internal combustion engine, such as an amount of recirculation exhaust gas flow through a controlled valve and a fresh air mass flow to an intake of an engine. Also, among the sensors accommodated in the system, is an inexpensive but slow-responding lambda sensor in the exhaust stream. | 2019-09-05 |
20190271275 | EVAPORATIVE EMISSION CONTROL SYSTEM AND METHOD - A method for operating a vehicle with an internal combustion engine is provided that includes regulating a pressure in a fuel tank by scheduling an engine start-up event based on a rate of change of the fuel tank pressure to reduce fuel tank venting emissions, where the rate of change of the fuel tank pressure is determined based on an ambient temperature and an in-tank pressure. | 2019-09-05 |
20190271276 | SYSTEM AND METHOD FOR STARTING AN ENGINE - Methods and systems for operating an engine with an electrically driven compressor are described. In one example, output of the electrically driven compressor is adjusted to increase a temperature of an engine so that the engine may be started without glow plugs or with glow plugs that have a lower heat capacity output. Additionally, a position of a recirculation valve may be adjusted to increase the temperature of the engine. | 2019-09-05 |
20190271277 | METHOD OF DIAGNOSING NON-COUPLING BREATHER HOSE - A method of diagnosing a non-coupling breather hose includes: sensing a revolutions per minute (RPM) after starting an engine; operating a differential pressure sensor; and determining that a breather hose is not coupled when an output voltage from the differential pressure sensor or a holding time of the output voltage is in a predetermined range. | 2019-09-05 |
20190271278 | METHOD AND SYSTEM FOR AIR-FUEL RATIO CONTROL - Methods and systems are provided for learning fuel injector error for cylinder groups during a deceleration fuel shut-off (DFSO), where all cylinders of an engine are deactivated, sequentially firing each cylinder of a cylinder group, each cylinder fueled via consecutive first and second fuel pulses of differing fuel pulse width from an injector. Based on a lambda deviation between the first and second pulses, a fuel error for the injector and an air-fuel ratio imbalance for each cylinder is learned. Alternatively or additionally, a difference in crankshaft acceleration between the first and second pulses relative to the expected deviation may be used to learn torque error, and adjust fuel injector error and air-ratio imbalance for each cylinder. | 2019-09-05 |
20190271279 | SYSTEMS AND METHODS FOR DETERMINING FUEL RELEASE FROM A FUEL INJECTOR - Methods and systems for evaluating whether or not a fuel amount that is greater than a threshold has been release to an engine via fuel injectors when the fuel injectors are commanded off are presented. In one example, an oxygen sensor is activated and engine cranking is prevented until a pumping current of the oxygen sensor is proportionate to a concentration of oxygen sensed via the oxygen sensor so that released fuel may be observed during engine starting. | 2019-09-05 |
20190271280 | INTERNAL COMBUSTION ENGINE HAVING TWO FUEL INJECTORS PER CYLINDER AND CONTROL METHOD THEREFOR - A method for controlling a two-stroke internal combustion engine is disclosed. The engine has at least one combustion chamber, at least one direct fuel injector for injecting fuel directly in the at least one combustion chamber, at least one port fuel injector for injecting fuel upstream of the at least one combustion chamber, and at least one exhaust valve. The method has the steps of supplying a first fuel quantity to the at least one combustion chamber, a first ratio of the first fuel quantity being supplied by the at least one port fuel injector; and supplying a second fuel quantity to the at least one combustion chamber when a position of the at least one exhaust valve changes, a second ratio of the second fuel quantity being supplied by the at least one port fuel injector, the second ratio being different from the first ratio. | 2019-09-05 |
20190271281 | Cylinder Housing for a Reciprocating-Piston Internal Combustion Engine - A cylinder housing for a reciprocating-piston internal combustion engine, in particular of a motor vehicle, includes a first cylinder which is delimited by a first cylinder barrel and a second cylinder which is delimited by a second cylinder barrel. The cylinders differ from one another with respect to their respective inner contour formed by the respective cylinder barrels. | 2019-09-05 |
20190271282 | COUPLING - A coupling e.g. for an actuator, includes a housing which is preferably in the form of a ring mounted around the end of an outer rod of the actuator and which can be mounted to a component e.g. a cowl being deployed. Within the housing of the coupling is provided an eccentric bearing mount and bearing arrangement mounted eccentrically to the housing so as to permit some eccentric movement. | 2019-09-05 |
20190271283 | Device for Adding a Fluid to Combustion Air of an Internal Combustion Engine - A device for adding a fluid to combustion air of an internal combustion engine for a motor vehicle includes a first fluid container from which the fluid can be removed and supplied to the combustion air. A second fluid container is provided, which is connected to the first fluid container via a line so as to carry fluid. A fluid pump is arranged in the line. As a result of the configuration, the fluid in the first fluid container can quickly be warmed and decontaminated. | 2019-09-05 |
20190271284 | EVAPORATED FUEL TREATMENT DEVICE - An evaporated fuel processing may include: a canister disposed on a purge passage; a control valve disposed on the purge passage between an intake passage and the canister and switching between communication and cutoff states, the communication state where the canister and the intake passage communicate through the purge passage, and the cutoff state where communication between the canister and the intake passage is cut off on the purge passage; a pressure detector detecting a pressure in the purge passage on a canister side relative to the control valve; and a determining unit determining whether clogging is occurring in the purge passage between the control valve and the intake passage by using a difference between a pressure under the communication state and a pressure under the cutoff state that are detected by the pressure detector while the control valve repeatedly switches between the communication state and the cutoff state. | 2019-09-05 |
20190271285 | DAMPER FOR A FLUID LINE, IN PARTICULAR A FUEL LINE FOR AN INTERNAL COMBUSTION ENGINE - A damper for a fluid line, in particular a fuel line for an internal combustion engine, includes a housing having an inlet and an outlet for a fluid. A membrane is located in the housing and intended to be in contact with fluid flowing from the inlet to the outlet. A damping chamber is defined by the housing and the membrane. A fluid chamber is separated from the damping chamber by the membrane, in fluidic communication with the inlet and the outlet. A peripheral edge of the membrane includes an enlarged and/or thickened portion that is inserted into a recess of the housing, for constraining the membrane to the housing. | 2019-09-05 |
20190271286 | SUCTION FILTER AND FUEL SUPPLY DEVICE - A suction filter includes a filter element disposed in a fuel tank and filtering a stored fuel that is a fuel stored in the fuel tank by allowing the stored fuel passing the filter element into an inner space, a dividing wall element disposed to divide the inner space into a first space, into which a filtered fuel that is the fuel filtered by the filter element flows, and a second space, to which an intake port drawing in the filtered fuel is opened, and enclosing the first space together with the filter element and enclosing the second space together with the filter element, and a passage element including an inflow port opened to the second space and an outflow port to which an intake pressure is applied by the intake port and defining a flow passage through which filtered fuel flows from the inflow port toward the outflow port. | 2019-09-05 |
20190271287 | METHOD FOR PRODUCING AN INJECTOR - A method for producing an injector which is designed in particular to inject fuel into an induction pipe or directly into a combustion chamber of an internal combustion engine. The method includes providing an injector base element, providing a rod that is insertible into a through hole of the injector base element, producing a negative matrix of a spray orifice element on an axial end of the rod, inserting the rod into the through hole of the injector base element, positioning the negative matrix situated on the rod relative to the injector base element, producing the spray orifice element having at least one spray orifice by applying a galvanization layer on a downstream end, in the injection direction, of the injector base element and on the negative matrix, and removing the rod and the negative matrix. | 2019-09-05 |
20190271288 | FUEL SUPPLY SYSTEM - A fuel supply system includes an electronic control unit that outputs a target fuel pressure for controlling a low-pressure pump and an engine status, and a fuel pump controller (FPC) that generates a drive signal for driving the low-pressure pump based on the target fuel pressure. The FPC is configured to obtain an actual fuel pressure, to set a duty ratio and to perform a feedback control for the actual fuel pressure to follow the target fuel pressure, and to set a lower limit guard value based on the engine status. The lower limit guard setter sets a duty ratio of 0% as the lower limit guard value when the engine status indicates a stop of the engine. | 2019-09-05 |
20190271289 | METHODS AND SYSTEM FOR OPERATING AN ENGINE - Systems and methods for operating a vehicle that includes an engine that may be automatically stopped and started are described. In one example, automatic stopping of the engine may be inhibited if voltage of a battery is reduced by more than a threshold voltage while an engine of the vehicle is operated in a deceleration fuel shut off mode. | 2019-09-05 |
20190271290 | IGNITION CONTROL DEVICE - In an ignition control device for controlling operation of an ignition apparatus, an ignition section has first and second electrodes disposed in a combustion chamber of an internal combustion engine. A voltage application between the first and second electrodes enables a discharge to be generated between the first and second electrodes for igniting a gas mixture in the combustion chamber. A voltage application section performs at least one application of a determination voltage between the first and second electrodes. An occurrence ratio acquisition section acquires a discharge occurrence ratio at the ignition section for the at least one application of the determination voltage. A comparison section compares the discharge occurrence ratio acquired by the occurrence ratio acquisition section with a predetermined determination threshold to thereby determine a degree of wear of at least one of the first and second electrodes. | 2019-09-05 |
20190271291 | HYDROELECTRIC POWER GENERATION SYSTEM - A hydraulic power generation system is provided with a control unit which controls the power supply circuit to perform a normal operation of supplying power from the power system to a predetermined electric device provided at the water channel and an autonomous operation of supplying the power generated by the electric generator to the electric device. The control unit executes the autonomous operation when the power system fails. | 2019-09-05 |
20190271292 | Wave Energy Converter - A wave energy converter includes a floating portion and an anchor portion, wherein the anchor portion includes a transport support structure configured to carry the floating portion. | 2019-09-05 |
20190271293 | RESONANT UNIDIRECTIONAL WAVE ENERGY CONVERTER - A wave energy conversion device whereby its structural design and positioning converts oscillating wave energy into unidirectional wave induced water flow. A judiciously placed upper closed perimeter boundary positioned on a submerged horizontally oriented surface pierced with an opening, focuses incident waves inward creating a resonant wave condition where the superposition of waves induces a predominantly downward unidirectional flow through the opening. A segmented sealed upper boundary results in the additional storage of water head due to the overtopping of waves, thus further smoothening and increasing the magnitude of the unidirectional flow. This wave energy converter can be utilized with unidirectional hydro turbines for electrical power generation. | 2019-09-05 |
20190271294 | HYBRID HEAT ENGINE - Described herein are technologies of a heat engine that transforms a low-level temperature differential between a heat source and a heat sink into useful electrical power. One heat engine includes a hydro-electric turbine, a steam source configurable to generate steam from a hot water source, a condenser, and a slug intake bend in a first pipe coupled between the steam source and the condenser. The slug intake bend is configurable to receive a slug of water from a cold water source. The steam from the hot water source pushes the slug of water up a vertical distance to the condenser. The condenser is configurable to receive the slug of water and the steam and provide liquid water from the slug of water and steam to power the hydro-electric turbine. | 2019-09-05 |
20190271295 | WIND TURBINE NOISE ANALYSIS AND CONTROL - A method of identifying an operating parameter of a wind turbine that contributes to the generation of tonal noise. The method comprises acquiring operating parameter data associated with a plurality of operating parameters of the wind turbine. The operating parameter data comprises a set of values for each operating parameter of the wind turbine. Noise data is also acquired that includes tonal noise produced by the wind turbine and is synchronised with the operating parameter data. The noise data is then binned with respect to a set of operating parameter values of a first operating parameter, and, for each of one or more of the bins, the noise data in the bin is analysed with respect to a set of values of a second operating parameter. The method then determines if there is a relationship between the second operating parameter and tonal noise produced by the wind turbine based on the analysis. | 2019-09-05 |
20190271296 | Wind Turbine Shadow Flicker Management System - A system and method for managing shadow flicker at a wind turbine site having at least one wind turbine includes determining, via a processor, a sun position of the wind turbine site. The method also includes receiving, via the processor, a spatial location of the at least one wind turbine with respect to at least one receptor. Further, the method includes determining, via the processor, whether shadow flicker is occurring at the at least one receptor based, at least in part, on the sun position and the spatial location of the at least one wind turbine. Moreover, the method includes implementing, via the processor, a corrective action for the at least one wind turbine when shadow flicker occurs at the at least one receptor to reduce the shadow flicker. | 2019-09-05 |
20190271297 | CANOPY STRUCTURE AND A WIND TURBINE - Provided is a canopy structure for a nacelle of a wind turbine, including at least one side and a plurality of standard panels which all have the same length and the same width, wherein the at least one side is at least partly formed from the plurality of standard panels, and wherein each standard panel includes a flange) which runs only along one edge of the standard panel. Advantageously, the canopy structure including the standard panels is able to reduce the need of a high number of different canopy parts. The amount of different types of molds or tools for producing the standard panels is reduced which leads to a more cost-effective production of the canopy structure. | 2019-09-05 |
20190271298 | ROTOR BLADE ASSEMBLY - Provided is a wind turbine rotor blade assembly including a rotor blade with an airfoil section and a root section; a carrier assembly arranged in an interior cavity of the blade and including a number of lifting fittings, wherein a lifting fitting and adapted to engage with a connector of a blade lifting apparatus. A method of lifting a wind turbine rotor blade is also provided. | 2019-09-05 |
20190271299 | PLANETARY TRANSMISSION, WIND POWER PLANT WITH A PLANETARY MECHANISM, AND METHOD FOR OPERATING A PLANETARY TRANSMISSION - A planetary transmission includes a transmission part rotatable about an axis of rotation and having a discharging region. The transmission part has an end face formed with a recess for receiving lubricant from a receiving region and discharging received lubricant to the discharging region. A covering plate covers the recess in the transmission part and has an opening in communication with the recess so that the recess is open to the outside. The opening is positioned in peripheral direction of the transmission part centrally in the covering plate and in radial direction of the transmission part proximally with respect to the axis of rotation of the transmission part The opening has an area sized smaller than a base area of the recess. A duct extends from an interior of the recess to the discharging region at a minimal distance from the axis of rotation of the transmission part. | 2019-09-05 |
20190271300 | COGENERATION SYSTEM AND METHOD FOR THE COMBINED HEAT AND POWER GENERATION FROM SOLAR THERMAL ENERGY - Cogeneration system for thermal and electric energy production from thermosolar energy, having a solar field connected to a power island, a piping system through which a heat transfer fluid flows is provided. The piping system has pipe collectors and a thermal insulating system. The system has at least a photovoltaic panel placed over the piping system, connected to at least a battery further connected to heating device placed at the pipe collectors configured to receive power from the battery and to heat the heat transfer fluid to a temperature suitable for the operation of the power island during periods of low or non-existent solar radiation. A cogeneration method is also provided, which has harvesting solar energy by photovoltaic panels, storing the energy in batteries and heating the heat transfer fluid by the heating device. | 2019-09-05 |
20190271301 | REFRIGERANT COMPRESSOR - The invention relates to a refrigerant compressor, comprising a compressor housing ( | 2019-09-05 |
20190271302 | APPARATUS FOR CONTROLLING LINEAR COMPRESSOR AND CONTROL METHOD OF APPARATUS FOR CONTROLLING LINEAR COMPRESSOR - The present disclosure relates to a compressor control apparatus and a compressor control method thereof, and more particularly, to a compressor control apparatus for controlling a switching operation of a switching device to control the start-up of a compressor motor and a compressor control method thereof. | 2019-09-05 |
20190271303 | Electric Oil Pump Device - An electric oil pump device includes an electric oil pump and a microcomputer that acquires a static friction torque of a pump and a motor of the electric oil pump, and performs control of activating the electric oil pump based on the acquired static friction torque. | 2019-09-05 |
20190271304 | METHOD AND SYSTEM FOR GAS COMPRESSOR CONTROL - A method of controlling a gas compression system includes comparing an engine load of an engine of the gas compression system during operation to a load threshold and controlling a suction valve coupled to an intake of a reciprocating compressor. The suction valve is controlled based at least in part on the comparison of the engine load to the load threshold. Controlling the suction valve includes incrementing the suction valve toward a closed position to reduce flow of a gas into the intake when the engine load is greater than or equal to the load threshold. | 2019-09-05 |
20190271305 | Multiple-Pump Valve Monitoring System - A monitoring system may include strain gauges and position sensors corresponding to multiple pressure pumps. The strain gauge for each pressure pump may measure the strain in a respective chamber of each pump. The position sensor for each pump may measure the position of a rotating member of each pump. The monitoring system may also include one or more computing devices for determining actuation delays associated with valves corresponding to the respective chamber of each pump using expected actuation points and actual actuation points of the valves. The computing devices may compare the actuation points for the valves of all of the pressure pumps to determine a condition of a valve in one of the pressure pumps. | 2019-09-05 |
20190271306 | TWO PIECE PUMP ROD - A metering pump includes a motor having a motor shaft extending through a drive housing, a carriage assembly disposed around the motor shaft and within the drive housing, a plunger return block mounted to the carriage assembly, a piston disposed along an axis, a carriage bearing disposed on the motor shaft and within the carriage assembly and slidably coupled to the carriage assembly, a cam coupled to the motor shaft to rotate with the motor shaft, and a bearing disposed around the cam to rotate therewith and to contact the stroke adjuster and the plunger return block. The piston also includes a stroke adjuster mounted to the carriage assembly, a plunger having a button-shaped protrusion end, and a drive shaft having a first end connected to the stroke adjuster and a second end having a hook protrusion configured to receive and engage the plunger button-shaped protrusion end. | 2019-09-05 |
20190271307 | PRESSURE SENSOR DEVICE AND ELECTRICALLY POWERED PUMP - A pressure sensor device for an electrically powered pump includes a pressure sensor that measures a pressure of a fluid inside the electrically powered pump, first and second terminals that project from the pressure sensor in a first direction extending toward one side in the horizontal direction, a third terminal that projects from the pressure sensor in a second direction extending toward another side in the horizontal direction, a fourth terminal that projects from the pressure sensor in the second direction and that is electrically connected to the second terminal; a first capacitor that is located on one side, in the horizontal direction, of the pressure sensor and that is connected between the first terminal and the second terminal, and a second capacitor that is located on another side, in the horizontal direction, of the pressure sensor and that is connected between the third terminal and the fourth terminal. | 2019-09-05 |
20190271308 | Water Pump For Marine Engine Having Tool For Replacing Impeller - A water pump for a marine engine includes a cap covering an internal cavity of the pump's housing when the pump is operating. The cap functions as a tool to remove a damaged or worn impeller from inside the internal cavity. A threaded hub of the cap engages internal threads of the impeller to assist a user in removing the impeller for replacement. A cap lock ring threaded onto the pump housing retains the cap over the internal cavity. A rotatable drive shaft has splines which mate with a splined portion of the impeller to rotate the impeller. The cap lock ring is disengaged from the housing and the cap removed to enable a person to use the threaded hub of the cap to remove the impeller. | 2019-09-05 |
20190271309 | ELECTRIC PUMP - An electric pump includes a motor, a pump, an electric pump case, a pressure sensor device to measure a pressure of fluid, and a circuit board. The pump includes a pump gear to rotate along with rotation of a shaft, and a pump body including a pump chamber recessed from a surface and housing the pump gear, and a through-hole with openings at two ends in an axial direction, one of the openings being opened to the pump chamber. The pressure sensor device includes a pressure sensor device body between the pump and the motor, and an electrical connection cable electrically connecting the pressure sensor device body and the circuit board. The electrical connection cable is routed from the pressure sensor device body to the circuit board inside of the electric pump case. | 2019-09-05 |
20190271310 | ROTARY POSITIVE-DISPLACEMENT MACHINE - A conical screw compressor or pump comprising: an inner element configured to rotate around a first axis; and an outer element configured to rotate around a second axis; wherein an outer surface of the inner element and an inner surface of the outer element comprise cooperating grooves and teeth that intermesh on rotation; the first axis and the second axis are each stationary and the first axis is inclined relative to the second axis; and the inner element and the outer element are configured to be, in operation, synchronously rotated, thereby to reduce or eliminate force exerted by the inner element on the outer element or vice versa. | 2019-09-05 |
20190271311 | SCROLL COMPRESSOR - A scroll compressor includes a first scroll including a fixed wrap, a second scroll comprising an orbiting wrap, and a boss portion, a rotating shaft including an eccentric portion inserted into the boss portion of the second scroll to transfer a rotational force, a frame having a shaft hole, a first bearing provided between the shaft hole of the frame and an outer circumferential surface of the rotating shaft, and a second bearing provided between an inner circumferential surface of the boss portion and an outer circumferential surface of the eccentric portion of the rotating shaft, wherein a differential pressure space portion is formed between the first bearing and the second bearing in a radial direction, and has a radial cross section wider than a radial gap between an inner circumferential surface of the second bearing and the outer circumferential surface of the eccentric portion. | 2019-09-05 |
20190271312 | SCROLL COMPRESSOR - It is assumed that a distance between a center portion of fixed scroll end plate and an outer peripheral portion at a distal end of fixed spiral wrap of fixed scroll is Ds, and that a distance between a center portion of orbiting scroll end plate and a portion included in a bottom face of an orbiting spiral wrap of orbiting scroll and facing the outer peripheral portion at the distal end of the fixed spiral wrap of the fixed scroll is Do. Further, assuming that an orbiting radius of orbiting scroll is ε, the orbiting radius being a distance between a center of eccentric shaft and a center of driving shaft, a relationship Ds+ε≤Do is satisfied. | 2019-09-05 |
20190271313 | VANE PUMP - A vane pump in which noise can be suppressed is provided. A vane pump ( | 2019-09-05 |
20190271314 | ROTARY COMPRESSOR AND ASSEMBLY METHOD THEREOF - A rotary compressor that may include an upper or outboard bearing above the motor components and, in this case, includes an upper bearing plate having a structure that ensures bearing alignment when press fit with an upper cap and a center shell. In some implementations, a main bearing frame that secures and holds a main bearing has a structure that when press fit with a lower cap and center shell ensure bearing alignment. Some implementations include disposing a hermetic terminal and a discharge port a the side of the upper cap or center shell. | 2019-09-05 |
20190271315 | METHOD FOR OPERATING A ROLLING PISTON COMPRESSOR - A method of operating a rolling piston rotary compressor includes obtaining an angular position and an angular speed of a rolling piston of the compressor, for example, using a tachometer or shaft encoder or observer. The method further includes obtaining an electromagnetic torque applied by an electric motor that is mechanically coupled to the rolling piston. The method further includes calculating a load torque exerted on the rolling piston based on these obtained values by using a load torque observer model that is formulated using known geometries of the compressor and thermodynamic models for the gas compression process. The operation of the electric motor is then adjusted such that the electromagnetic torque applied by the motor is equivalent to the calculated load torque such that noise and vibrations are minimized. | 2019-09-05 |
20190271316 | MULTI-STAGE COMPRESSOR HAVING INTERSTAGE LUBRICANT INJECTION VIA AN INJECTION ROD - A compressor is disclosed which can include a first stage and a second stage. In one form the compressor includes contact cooled compressor stages. The compressor can include a rod useful to inject a lubricant for purposes of cooling/lubricating/sealing the rotating components of the compressor. In one form the rod is an elongate rod with openings which permit a lubricant such as oil to be injected. The injected oil can be atomized via the openings. The rod can be positioned in the interstage space between the first and second stages, and can include a variety of openings. | 2019-09-05 |
20190271317 | Rotary Fluid Flow Device - A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particularity advantageous for the ability to achieve high compression ratios in combination with high discharge pressure and high volumetric throughput in a single stage. | 2019-09-05 |
20190271318 | CENTRIFUGAL PUMP FLOW MODIFIER - There is provided a centrifugal pump comprising a pumping chamber ( | 2019-09-05 |
20190271319 | PUMP FOR NUCLEAR APPLICATIONS - The present invention describes an axial pump for pumping liquid metal, the axial pump comprising an inlet for receiving liquid, at least one rotor, the rotor comprising a rotor hub and a plurality of rotor blades positioned thereon, a stator, comprising a stator hub and a plurality of stator vanes, and an outlet for discharging the liquid metal, the pump being adapted for providing efficient pumping while reducing or avoiding erosion of the pump by the liquid metal. | 2019-09-05 |
20190271320 | SWIMMING POOL PUMP WITH AN INLET DEFLECTOR AND VARIABLE SIZE IMPELLER - Centrifugal pumps are widely used in swimming pools as part of the recirculation system that sucks water from the swimming pool through the drain and them pumps it back into the pool after filtration. The present invention relates to a centrifugal pump for swimming pools that can accommodate impellers of varying size to attain the proper flow rate for varying circumstances. The centrifugal pump of the present invention also includes a deflector that improves the priming of the pump so as to eliminate or reduce the risk of heat and friction damage to the impeller. | 2019-09-05 |
20190271321 | LOW PROFILE PUMP MOTOR LEAD PROTECTOR - A low profile pump motor lead protector with a head guard and a trailing guard, the head guard including a front section with a front end and a rear section with a rear end, the trailing guard having a pin end for insertion in a head guard socket, the lead protector for protecting a motor lead of a pump and motor assembly of a downhole production string for surfacing fluid from a reservoir such as a subterranean oil well. | 2019-09-05 |
20190271322 | Air Pump System - An air pump system includes a housing defining a first vent in fluid communication with an interior cavity of an inflatable member, a first one-way valve configured to open or close the first vent, a main pump having a main pump inlet and a main pump outlet, a valve control assembly for selectively opening or closing the one-way valve, an air pressure control assembly for sensing an air pressure of the interior cavity and generating a first air pressure signal when the air pressure reaches a first threshold air pressure, and generating a second air pressure signal when the air pressure reaches a second threshold air pressure, and a control device in electrical communication with the main pump, valve control assembly and the air pressure control assembly. | 2019-09-05 |
20190271323 | METHOD FOR INFLATING AN INFLATABLE MEMBER - A method for inflating an inflatable member includes providing an inflatable member including an outer surface defining an interior cavity, a housing defining a first vent in fluid communication with the interior cavity, a first one-way valve configured to open or close the first vent, a main pump having a main pump inlet and a main pump outlet, a valve control assembly for selectively opening or closing the one-way valve, providing an air pressure control assembly for sensing air pressure of the interior cavity, generating a first air pressure signal when the air pressure reaches a first threshold air pressure and generating a second air pressure signal when the air pressure reaches a second threshold air pressure, and providing a control device in electrical communication with the main pump, valve control assembly and air pressure control assembly. | 2019-09-05 |
20190271324 | GAS PURGING FOR ELECTRIC SUBMERSIBLE PUMPING SYSTEM - A technique facilitates removal of gas from a gas-sensitive region in an electric submersible pumping system. A gas purging system is integrated into the electric submersible pumping system. During operation of the electric submersible pumping system, the gas purging system also is operated to move gas away from the gas-sensitive region, e.g. a thrust bearing region, and to a collection region or other suitable region. In some embodiments, the gas which accumulates in a collection region may be discharged to a region external of the electric submersible pumping system. | 2019-09-05 |
20190271325 | ROTATING MACHINE - A rotating machine includes: a rotary shaft that is configured to rotate about a center axis; an impeller that is fixed to the rotary shaft and that is configured to compress a working fluid by integrally rotating with the rotary shaft; a casing that covers the rotary shaft; a first seal portion that is disposed at a position away from the impeller in a center axis direction of the rotary shaft and that is configured to seal a portion between the rotary shaft and the casing with a seal gas; a second seal portion that is disposed between the impeller and the first seal portion and that is configured to seal a portion between the rotary shaft and the casing; and a gas supply path through which the seal gas is introduced into the first seal portion. | 2019-09-05 |
20190271326 | IMPELLER WHEEL AND CENTRIFUGAL COMPRESSOR HAVING IMPELLER WHEEL - An impeller wheel according to an embodiment includes a hub, a plurality of long blades disposed on a circumferential surface of the hub, the plurality of long blades extending from an inlet portion to an outlet portion of fluid and a plurality of short blades each disposed on the circumferential surface of the hub, the plurality of short blades extending from a downstream side of leading edges of the plurality of the long blades to the outlet portion in a flow passage formed between adjacent long blades of the plurality of long blades. | 2019-09-05 |
20190271327 | INDUSTRIAL FAN HOUSING ASSEMBLY WITH REPLACEABLE SCROLL - There is disclosed an industrial fan housing assembly, comprising: a plurality of scroll-liner sections configured to be assembled together to form a midsection of the industrial fan housing assembly, each scroll-liner section including a liner; wherein, each scroll-liner section includes side flanges to assemble the section to first and second fan housing scroll sideplates on either side. In an embodiment, at least two of the plurality of scroll-liner sections are identical and interchangeable, thereby allowing the identical and interchangeable sections to be assembled in one of a plurality of positions. Advantageously, the scroll-liner sections may be installed without welding or cutting, and may be individually removed for servicing or replaced when the lining is worn. The cost for operating and servicing and the fan housing assembly is significantly reduced. | 2019-09-05 |
20190271328 | CENTRIFUGAL COMPRESSOR SYSTEM AND DIFFUSER - A centrifugal compressor system includes a centrifugal impeller a shroud in cooperative engagement with the impeller; and a diffuser. The diffuser has a hub surface; a shroud surface; a plurality of diffuser vanes extending between the hub surface and the shroud surface; and a common splitter ring disposed between the hub surface and the shroud surface and intersecting each of the diffuser vanes along a span of each of the diffuser vanes. | 2019-09-05 |
20190271329 | TURBOCHARGER COMPRESSOR HAVING ADJUSTABLE TRIM MECHANISM INCLUDING SWIRL INDUCERS - A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism operable to move between an open position and a closed position. The inlet-adjustment mechanism includes a plurality of blades disposed about the compressor air inlet and located within an annular space within the air inlet wall. The blades are pivotable about respective pivot points such that the blades extend radially inward from the annular space into the air inlet when the blades are in the closed position so as to form an orifice of reduced diameter relative to a nominal diameter of the inlet. Upstream surfaces of the blades include swirl inducers that are structured and arranged to impart either pre-swirl or counter-swirl to the air passing through the orifice into the compressor wheel. | 2019-09-05 |
20190271330 | INLET GUIDE VANE REMOVAL TOOLS AND METHODS - An inlet guide vane removal assembly includes a support frame with a support plate. At least one force device is coupled to the support plate. A puller bracket is attached to the at least one force device. The puller bracket has an open-ended slot defined therethrough, and a plurality of flanges positioned to engage an installed inlet guide vane. When the force device is actuated, the puller bracket is displaced relative to the support frame to facilitate removing the inlet guide vane. | 2019-09-05 |
20190271331 | SPLIT STREAM OPERATIONS WITH PRESSURE EXCHANGERS - Apparatus and method for performing split stream operations with pressure exchangers. An example method may include operating a mixer to form a stream of concentrated dirty fluid, operating a first pump to form a pressurized stream of first clean fluid, operating a second pump to form a pressurized stream of second clean fluid, and transferring the pressurized stream of first clean fluid and the stream of concentrated dirty fluid through a plurality of pressure exchangers to pressurize the stream of concentrated dirty fluid. Thereafter, the method may further include combining the pressurized stream of concentrated dirty fluid with the pressurized stream of second clean fluid to form a pressurized stream of diluted dirty fluid, and injecting the pressurized stream of diluted dirty fluid into a wellbore during a subterranean well treatment operation | 2019-09-05 |
20190271332 | HYDRAULIC ACTUATOR WITH PRESSURE AMPLIFIER - A hydraulic actuator ( | 2019-09-05 |
20190271333 | HYDRAULIC EXCAVATOR DRIVE SYSTEM - A hydraulic excavator drive system includes: first and second pumps; arm cylinder; arm first control valve connected to the cylinder by an arm crowding supply line and arm pushing supply line; arm second control valve connected to the supply lines by a first and second replenishment line; and arm operation device that outputs an operation signal corresponding to an inclination angle of an operating lever. The arm second control valve is configured so, when performing an arm crowding operation, an opening area at a meter-in side changes in accordance with the operation signal, and an opening area at a meter-out side is: kept to zero when a predetermined condition is not satisfied; and kept to zero until the operation signal becomes a setting value or greater, and when the operation signal has become the setting value or greater, increases to a maximum value when the predetermined condition is satisfied. | 2019-09-05 |
20190271334 | FLUID VALVE ASSEMBLY, PROCESS VALVE POSITIONER AND USE OF A FLUID VALVE ASSEMBLY IN CONTROL OF A PROCESS VALVE - A fluid valve assembly having a central bore and a stem axially-movable within the central bore and actuated by an axial pilot force and an axial counter force. An inner supply pressure chamber is provided to retain a stabilized supply pressure providing the axial counter force affecting on the stem. A seal member is arranged coaxially with the stem between the inner supply pressure chamber and an outer supply pressure chamber which is connected to a supply pressure input line. A metering edge is arranged coaxially with the stem to control fluid flow from the outer supply pressure chamber to an actuator chamber. Means are provided to stabilize the supply pressure in the inner chamber against sudden pressure drops in the outer supply pressure chamber. | 2019-09-05 |
20190271335 | FLUID CONTROL VALVE AND FLUID CONTROL DEVICE - The fluid control valve comprises: a valve seat constituting a part of a valve chamber; a valve body that is installed in the valve chamber and moves in a contacting/separating direction with respect to the valve seat; an actuator configured to move the valve body; and a plunger that transfers power of the actuator to the valve body. The valve body and the plunger are in contact with each other via an inclination suppressing protrusion configured to suppress an inclination of the plunger, the inclination being caused by contact between the valve body and the valve seat. | 2019-09-05 |
20190271336 | Piezohydraulic Actuator - A piezohydraulic actuator system includes four chambers: a first chamber defined by a drive bellows filled with a hydraulic fluid and movable by a piezo actuator, a second chamber defined by a hydraulic cylinder filled with the hydraulic fluid, which defines a first output; a third chamber defined by an output bellows filled with the hydraulic fluid, which defines a second output; and a fourth chamber defining a reservoir of the hydraulic fluid. The drive bellows is hydraulically connected via a first check valve to the second chamber. A hydraulic piston in the hydraulic cylinder is coupled mechanically to the output bellows. The drive bellows is hydraulically connected via a second check valve to the fourth chamber. The hydraulic fluid reservoir is hydraulically connected via a third check valve to the output bellows, and the hydraulic cylinder is hydraulically connected via a fourth check valve to the output bellows. | 2019-09-05 |
20190271337 | PNEUMATIC OR HYDRAULIC MECHANISM - A pneumatic or hydraulic mechanism has a housing defining a piston chamber and having a fluid inlet port. A piston is slidable in the piston chamber. The piston partitions the piston chamber into a front chamber and a rear chamber. The piston has one or more passages for fluid communication between the rear chamber and the front chamber, the one or more passages being sealed by a sealing mechanism. The sealing mechanism has a sealing state in which the sealing mechanism substantially inhibits fluid communication between the rear chamber and the front chamber, and a non-sealing state in which the sealing mechanism allows fluid communication between the rear chamber and the front chamber. The piston is slidable between a first position and a second position. When the piston is positioned in the first position, the sealing mechanism is in the sealing state. Upon supply of a fluid to the inlet port, the fluid urges the piston to its second position and then causes the sealing mechanism to change to the non-sealing state until the pressure in the rear chamber and the front chamber equalises, allowing the sealing mechanism to return to the sealing state. Upon removal of fluid from the rear chamber, the fluid in the front chamber urges the piston to return to its first position. | 2019-09-05 |
20190271338 | HYDRAULIC ACTUATOR WITH CARTRIDGE PRESSURE AMPLIFIER - A hydraulic actuator ( | 2019-09-05 |
20190271339 | DUAL COMPONENT U-BASE FASTENER - A dual component U-base fastener includes a u-shaped outer component comprising at least one rib retention barb and a u-shaped inner component comprising at least one aperture retention wing. The outer component and the inner component are separate and are coupled together to create an assembled unit defining an interior rib receiving cavity with the at least one rib retention barb extending into the interior rib receiving cavity and the at least one aperture retention wing of the inner component extending exteriorly from the outer component. | 2019-09-05 |
20190271340 | QUICK CHANGE FASTENER - A fastener comprises a housing, a socket, a pintle and a locking feature. The housing includes a shaft, a central bore that extends axially at least partially through the housing and a ball lock aperture extending from the bore. The socket extends into the housing adjacent to the first end face, and is configured such that rotation of the first socket rotates the fastener. The pintle is positioned within the bore and includes an actuation end and a rod that extends axially from the actuation end. The rod includes a ball transitioning surface and a ball locking surface. The pintle is moveable axially within the bore between a designated lock position where the ball locking surface of the pintle is aligned in register with each ball lock aperture, and a designated unlocked position where the ball lock surface of the pintle is moved axially away from each ball lock aperture. | 2019-09-05 |
20190271341 | STEEL PART - A formed steel part is provided. The formed steel part includes a first steel plate having a first base, a first intermetallic alloy layer on the first base and a first metal alloy layer on the first intermetallic alloy layer, the first steel part having a first area without the first metal alloy layer and having at least part of the first intermetallic alloy layer; and a second steel plate having a second base, a second intermetallic alloy layer on the second base and a second metal alloy layer on the second intermetallic alloy layer, the second steel part having a second area without the second metal alloy layer and having at least part of the second intermetallic alloy layer in the second area. The first and second steel plates are joined together. The formed steel part may also include a butt-weld joining the first and second steel plates. | 2019-09-05 |
20190271342 | STEEL PART - A formed steel part is provided. The formed steel part includes a first steel plate having a first base, a first intermetallic alloy layer on the first base and a first metal alloy layer on the first intermetallic alloy layer, the first steel part having a first area without the first metal alloy layer and having at least part of the first intermetallic alloy layer; and a second steel plate having a second base, a second intermetallic alloy layer on the second base and a second metal alloy layer on the second intermetallic alloy layer, the second steel part having a second area without the second metal alloy layer and having at least part of the second intermetallic alloy layer in the second area. The first and second steel plates are joined together. The formed steel part may also include a butt-weld joining the first and second steel plates. | 2019-09-05 |
20190271343 | HEIGHT ADJUSTABLE MAGNET FASTENER - A magnet fastener includes a base, a magnet carrier held in the base, a magnet held in the magnet carrier, a first pin receiver in the base, a second pin receiver in the magnet carrier and a pin received in the first pin receiver and the second pin receiver. A method of securing a headliner to a metal roof substrate is also provided. | 2019-09-05 |
20190271344 | METHODS AND APPARATUS FOR SECURING AN ARTICLE - A carrier apparatus including a base including an outer peripheral surface and an inner support surface, a frame to connect to the outer peripheral surface of the base, and a circumferential flange including an outer circumferential portion and an inner circumferential portion. The outer circumferential portion to be clamped between the frame and the outer peripheral surface of the base, and the inner circumferential portion to extend inward from the frame. The inner circumferential portion including an opening to be spaced a distance from the inner support surface of the base. The carrier apparatus may include an article including a first major surface, a second major surface, a thickness between the first major surface and the second major surface, and an edge extending across the thickness between the first major surface and the second major surface. Methods of processing and assembling the carrier apparatus may also be provided. | 2019-09-05 |
20190271345 | DEVICE FOR JOINING PARTS OF FURNITURE AND FURNISHING ACCESSORIES - A joining device for parts of furniture and furnishing accessories includes a casing or container body suitable for being inserted in a seat formed in one of the components of the item of furniture to be joined. An expansion bushing externally projects with respect to a first end or front end of said casing or container body and is suitable for engaging with a further seat of a further component of the item of furniture to be joined to the component wherein the casing or container body is inserted. Said joining device includes a cam mechanism for a linear motion of actuation means co-operating in an expansion and retraction deformation movement of the expansion bushing and simultaneous expansion of at least one portion of said casing or container body, with said cam mechanism and actuation means housed in the casing or container body and actuated by a tool. | 2019-09-05 |
20190271346 | Hidden joining system with front activation for a bottom of furniture and furnishing items - A hidden joining system with front activation for a bottom of a piece of furniture and furnishing items includes a front joining unit and a rear joining unit positioned between a bottom and a shoulder of the furniture, wherein each front and rear joining unit is attached beneath the thickness of the bottom of the furniture, wherein symmetry axes of the two front and rear joining units lie on a plane external and parallel to a center plane of the bottom and the front joining unit has a transmission element toward the rear joining unit. | 2019-09-05 |
20190271347 | CONNECTOR ASSEMBLY - A connector assembly for connecting articles to one another including a male connector insertable into a substantially U shaped receiving channel defined by a respective female connector, the female connector being adapted to be located in a receiving recess formed, in use, in one of at least two articles to be connected together, the receiving recess including a pair of diverging side walls and a narrowed neck region, the neck region defining an opening of the receiving recess, at least one pair of opposing inwardly facing shoulders being defined in the side walls of the receiving recess, outer sides of the female connector including cooperating projections adapted to engage the opposing shoulders of the receiving recess when the female connector is inserted into the receiving recess to retain the female connector in the receiving recess. | 2019-09-05 |
20190271348 | TOOLLESS FASTENER FOR ENGINE COVER - A decorative engine cover is mounted to an engine using fasteners not requiring the use of any tools. A cam cover has a tubular socket with an inner surface defining a cavity including a fixed wedge and a longitudinal bumper projecting into the cavity. A removable engine cover defines an recess receiving the tubular socket and an aperture aligned with the cavity. A handle block comprises a main body with a lower end rotatable and axially slidable in the cavity, an upper flange, and a retractable wedge projecting radially from the main body. A biaser engages the engine cover and handle block urging the block away from the cam cover. The wedges are engageable when the main body is rotationally within a locking region and axially slid toward the cam cover. The fixed wedge and retractable wedge disengage when the main body is rotated out of the locking region. | 2019-09-05 |
20190271349 | INTELLIGENT BOLTS AND METHODS OF THEIR USE - An intelligent bolt includes a head region and a threaded region. The head region includes a bolt cavity. A distance between the head region and a bottom end of the cavity changes in operation as a function of longitudinal stress applied between the threaded region and the head region, and the bolt includes a sensor arrangement for measuring changes in the distance. A distal end of the sensor arrangement is disposed adjacent to the bottom end, wherein changes in spatial position of the bottom end relative to the distal end occur as a function of changes in the stress applied to the bolt to define a gap “G” whose size varies depending upon the stress. Interrogating radiation transmission in operation via the gap “G” from a source to a corresponding radiation sensor of the arrangement generates a stress measurement signal that is processed for wireless communication. | 2019-09-05 |
20190271350 | METHOD FOR CORROSION PROTECTION IN A WIND TURBINE AND WIND TURBINE - Provided is a method for corrosion protection in bolt holes of a wind turbine, whereby a sleeve made of a corrosion resistant metallic material is inserted into the bolt hole, in particular covering the whole length of the bolt hole wall, and at least partly expanded using an expander tool to be fixed in the bolt hole. | 2019-09-05 |
20190271351 | BOLT ASSEMBLY HAVING NON-LOOSENING NUT - The present invention relates to a bolt assembly having a non-loosening nut and, more particularly, a bolt assembly having a non-loosening nut in which a pair of non-loosening nuts that move along a male thread pitch of a bolt are prepared so that the pair of non-loosening nuts press and spread to each side a pair of adjacent male threads of the bolt, thereby restricting the rotation of the bolt to suppress the loosening of the bolt. To this end, the present invention provides the bolt assembly having the non-loosening nut, the bolt assembly comprising: a bolt including a first male thread; a first nut, which has a first female thread screw-coupled to the first male thread of the bolt, and has, on the outer circumferential surface, a second male thread formed in the direction opposite to the first male thread; and a second nut, which has a second female thread that is screw-coupled to the second male thread of the first nut, and has, in the center, a non-loosening female thread which corresponds to the first female thread and is screw-coupled to the first male thread via the first female thread. The bolt assembly having the non-loosening nut is characterized in that the groove depth of the non-loosening female thread is formed deeper than the groove depth of the first male thread, thereby forming a gap between the first male thread and the non-loosening female thread, while preventing a gap from being formed between the first female thread and the first male thread. | 2019-09-05 |
20190271352 | FASTENER ASSEMBLY HAVING A LEAK RESISTANT THREADED INSERT - A fastener assembly may be configured to mount structures in a gas turbine engine. The fastener assembly may comprise a fastener and a leak resistant insert. The leak resistant insert may be configured to at least partially reduce fluid leakage between the coupling of the fastener and the leak resistant insert. The leak resistant insert may comprise an outer surface opposite an inner threaded surface. The inner threaded surface may define an insert opening through leak resistant fastener insert, configured to receive the fastener. The outer surface may define an insert end enclosing the inner threaded surface opposite the insert opening. | 2019-09-05 |
20190271353 | CONNECTING ROD - A connecting rod includes a main body portion of which one end portion is provided with a piston pin and a cap that is fixed to another end portion of the main body portion with a pair of bolts. The cap is provided with a pair of bolt through-holes into which the pair of bolts is inserted respectively. The main body portion is provided with a pair of female screw holes positioned to be respectively coaxial with the pair of bolt through-holes. At least one of the female screw holes is formed as a blind hole. The cap is provided with a communication portion that extends in an outward direction approximately orthogonal to an axial direction of the bolt through-hole coaxial with the female screw hole formed as the blind hole and is open toward an outer wall surface of the cap. | 2019-09-05 |
20190271354 | HALF BEARING - A half bearing is provided with a first groove and a second groove on the inner circumferential surface side. The first and second grooves extend in the circumferential direction of the inner circumferential surface, and retain lubricating oil. The end of the first groove in the circumferential direction, on the downstream side in the rotational direction of the shaft (the end on the crush relief side), is located away from a crush relief so as not to reach the crush relief. Also, the end of the second groove in the circumferential direction, on the downstream side in the rotational direction of the shaft (the end on the crush relief | 2019-09-05 |
20190271355 | HALF BEARING - A half bearing includes circumferentially extending first and second grooves on the inner circumferential surface. The circumferential end of the first groove, on the rotational upstream side of the shaft, has an inclination angle θ1 of 135° formed by: a first imaginary line connecting the inner circumferential surface end of a mating surface and the origin of an outer circumferential surface; and a second imaginary line connecting the end of the first groove and the origin of the outer circumferential surface. The circumferential end of the second groove, on the rotational upstream side of the shaft, has an inclination angle θ2 of 135° formed by: a first imaginary line connecting the inner circumferential surface end of the mating surface and the origin of the inner circumferential surface; and a third imaginary line connecting the end of the second groove and the origin of the outer circumferential surface. | 2019-09-05 |
20190271356 | SEED PLANTER WITH EQUALIZER ASSEMBLY - A bracket for use with an agriculture planter including a trailing arm frame defining a pivot point thereon may include an arm bracket assembly with first and second arms. Each arm may extend from a middle portion of the bracket. First and second implements may be rotatably mounted on mounting ends of two of the arms. The middle portion of the bracket may be pivotally coupled to the trailing arm frame at the pivot point. | 2019-09-05 |
20190271357 | Fixed Rolling Element Bearing Assembly - The invention provides a fixed rolling element bearing assembly comprising: a housing; an inner race for attaching to a rotating shaft; a cage and rolling element assembly positioned around the inner race; first and second positional locators for positioning the cage and rolling element assembly between inner edges thereof; a thrustwasher adjacent an outer edge of either of the first or second positional locator and fixably connected to the housing. | 2019-09-05 |
20190271358 | BEARING CAGE INCLUDING HYDRODYNAMIC FEATURE - A thrust bearing cage including an improved lubrication feature is disclosed. The thrust bearing cage includes a first rim and a second rim with a plurality of crossbars extending therebetween to define rolling element pockets. Each crossbar of the plurality of crossbars includes: a first radial flange extending from the first rim; a second radial flange extending from the second rim; and a medial radial flange connecting the first radial flange and the second radial flange. The medial radial flange is axially offset from the first radial flange and the second radial flange. At least one of the first radial flange, the medial radial flange, or the second radial flange includes a protrusion defining at least one ramped surface. The ramped surface creates a hydrodynamic effect, which guides the thrust bearing cage away from an adjacent surface, and ensures that a lubricated state is maintained. | 2019-09-05 |
20190271359 | SEALING APPARATUS AND SEALING STRUCTURE - A sealing apparatus includes: an annular reinforcement ring around an axis; and an annular elastic body part around the axis, which is attached to the reinforcement ring and is formed of an elastic body. The elastic body part has: a side lip, an intermediate lip, and a grease lip. A grease as a lubricant is applied to respective inner peripheral side surfaces of the side lip, the intermediate lip, and the grease lip. A thickener of the grease includes no urea-based thickener. In a usage state of the sealing apparatus, a cross sectional area of an inter-lip space enclosed by the side lip, the intermediate lip, and a hub ring is equal to or greater than 3.5 mm | 2019-09-05 |
20190271360 | SELF-CENTERING FLEXIBLE COUPLING - A coupling for allowing torque transmission between a first and second shaft, the coupling comprising: a cup-shaped portion provided at a first end of said first shaft and a first end of said second shaft being positioned within said cup-shaped portion; and said coupling further comprising a biasing means positioned between said first and second shafts, such that said biasing means is in contact with both of said first and second shafts. A shaft system can include the first coupling in combination with a third shaft and a second coupling that is provided between the third shaft and either a second end of said first shaft or a second end of said second shaft. The second coupling is identical to the first coupling. | 2019-09-05 |
20190271361 | Transmission with Integrated Overload Protection for a Legged Robot - An example robot includes: a motor disposed at a joint configured to control motion of a member of the robot; a transmission including an input member coupled to and configured to rotate with the motor, an intermediate member, and an output member, where the intermediate member is fixed such that as the input member rotates, the output member rotates therewith at a different speed; a pad frictionally coupled to a side surface of the output member of the transmission and coupled to the member of the robot; and a spring configured to apply an axial preload on the pad, wherein the axial preload defines a torque limit that, when exceeded by a torque load on the member of the robot, the output member of the transmission slips relative to the pad. | 2019-09-05 |
20190271362 | CLUTCH DEVICE - A clutch device includes a rotor, a first sub-clutch, a second sub-clutch, and a first actuation device. The rotor has a first axial side and a second axial side. The sub-clutches are arranged within the rotor and each include an outer disk carrier with outer disks and an inner disk carrier with an inner disk engaged between two of the outer disks. The first actuating device is for actuating the first sub-clutch or the second sub-clutch. The first actuating device has a first housing. The rotor first axial side is rotatably mounted on the first housing via a first support. | 2019-09-05 |
20190271363 | CLUTCH DEVICE - A clutch device, comprising an inner ring, an outer ring, one or more clutch discs arranged radially between the inner ring and the outer ring, wherein the one or more clutch discs are formed by the plurality of segments arranged next to one another in the peripheral direction and connected to one another via a cage, wherein the segments are configured to contact the outer ring in an unactuated state of the clutch device and configured to come into contact with the inner ring in an actuated state of the clutch device, and a first and second piston, wherein the first and second piston are configured to radially move the segments, wherein the first piston is configured to move at least one portion of the segments in a first peripheral direction in order to actuate the clutch device. | 2019-09-05 |
20190271364 | ELECTROMAGNETIC CLUTCH AND COMPRESSOR PROVIDED WITH SAME - Provided is an electromagnetic clutch capable of shortening, even in a low temperature atmosphere, the fuse reaction time from when a rotating shaft is locked, while preventing or suppressing malfunction of the thermal fuse. An electromagnetic clutch | 2019-09-05 |