43rd week of 2017 patent applcation highlights part 35 |
Patent application number | Title | Published |
20170306872 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine for adjusting an amount of air passing through a catalyst during fuel cut-off operation of the internal combustion engine, the temperature of the catalyst is caused to rise, when the fuel cut-off operation of the internal combustion engine is carried out in a state where the temperature of the catalyst is low. The apparatus is constructed such that in cases where the fuel cut-off operation is carried out in a state where the temperature of the catalyst is relatively low but equal to or higher than an activation temperature thereof, the amount of air passing through the catalyst is made larger in a period of time in which the catalyst becomes a rich atmosphere immediately after the start of the fuel cut-off operation, in comparison with a subsequent period of time in which the catalyst becomes a lean atmosphere. | 2017-10-26 |
20170306873 | CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method and device for controlling a supercharged internal combustion engine is disclosed. An oxygen charge of a catalytic converter of the internal combustion engine is determined. A valve overlap of the internal combustion engine is increased from a lower valve overlap value to an upper valve overlap value. Increasing the valve overlap and/or for at least one phase of the increase, a control value for increasing an air-fuel ratio in at least one cylinder of the internal combustion engine is reduced as a function of the determined oxygen charge. | 2017-10-26 |
20170306874 | VEHICLE DRIVER MODEL - A method of testing an automotive vehicle estimates acceleration for multiple time windows. Each of the time windows has a different length. A speed of the vehicle is measured. The acceleration vector is estimated, for the time windows, as a function of the speed and a test speed. A target acceleration is calculated by multiplying the acceleration vector by a driving mode vector. A target speed, of a driver model, is set as a function of a test cycle, the target acceleration, and the speed. The vehicle is controlled at the target speed. | 2017-10-26 |
20170306875 | METHOD OF FORMING A FUEL-AIR MIXTURE FOR INTERNAL COMBUSTION ENGINE - A method of serially phased, phase forming a fuel-air mixture for internal combustion engine is disclosed. The technical result increases the compression ratio of the engine, resulting in economical fuel burning and improved environmental characteristics. The method includes a serially-staged, serially-phased formation of the fuel-air mixture for the engine, which includes the following steps: fuel evaporation; obtaining hydrogen-gas fuel by cleavage of the fuel; cooling and optimization of fuel temperature; preparation of air parallel to the preparation of the fuel; direct formation of the fuel-air mixture; mixing of the fuel, containing hydrocarbon gases with air, with an excess air coefficient Kea≧3; enrichment of the desired air-fuel ratio to the excess air coefficient Kea=from 1.0 to 2.8; a mixture enrichment correction; obtaining control conditions of an idling engine power mode by changing the excess air coefficient, as well as by changing the value of the cylinder filling coefficient. | 2017-10-26 |
20170306876 | REMAINING FUEL AMOUNT WARNING DEVICE FOR MOTORCYCLE - A remaining fuel amount warning device for a vehicle, the remaining fuel amount warning device giving a warning that an amount of fuel remaining in a fuel tank is smaller than a predetermined value on the basis of output of a fuel gauge measuring the remaining fuel amount, includes combustion state changing device for changing the combustion state of an engine. When the remaining fuel amount becomes smaller than the predetermined value, the remaining fuel amount warning device performs remaining amount warning control that produces vibration different than during normal operation by changing the combustion state of the engine by the combustion state changing device. A starter switch for starting the engine is made to serve also as a warning acknowledging button for stopping the remaining amount warning control for a predetermined time on the basis of an operation by an occupant. | 2017-10-26 |
20170306877 | METHOD OF CORRECTING INJECTOR CHARACTERISTIC FOR CONTROLLING CLOSING TIME OF INJECTOR - A method for correcting an injector characteristic defining a relationship between an injector injection time and a valve closing time for a cylinder of an internal combustion engine by sensing an injector closing time includes steps of: sensing the injector closing time; determining a compensation amount for compensating for a commanded injection time using a number of sensing failures or a result of a learning of a relationship between a required commanded injection time and the injector closing time in a relevant cylinder, in addition to the number of sensing failures when there is a failure to sense the injector closing time; and controlling a commanded injection time according to an amount of required fuel injection in the relevant cylinder, based on the determined compensation amount. | 2017-10-26 |
20170306878 | ENGINE WITH DIRECT INJECTION AND PORT FUEL INJECTION ADJUSTMENT BASED UPON ENGINE OIL PARAMETERS - An internal combustion engine includes an engine structure defining a cylinder having an intake port and an exhaust port. A piston is disposed in the cylinder and is drivingly connected to a crankshaft. A direct injection system injects fuel directly into the cylinder. A port fuel injection system injects fuel into the intake port. An oil temperature sensor and an engine speed sensor are in communication with a controller that controls the direct injection system and the port fuel injection system based on measured oil temperature and engine speed. In particular, the controller employs a control algorithm that alters the direct injection and port fuel injection split based on the measured oil temperature and engine speed. The maximum direct injection pressure reduction is limited by a maximum allowable port fuel injection duty cycle as determined by the controller. | 2017-10-26 |
20170306879 | DEVICE FOR CONTROLLING AT LEAST ONE SWITCHABLE VALVE - A method for controlling at least one switchable valve, a brake impulse that slows down the valve movement being produced during the controlling of the at least one valve. At least one parameter of the brake impulse determines the position and/or the duration of the brake impulse. A parameter is modified, and the reaction of a measurement quantity or of a characteristic feature derived from the measurement quantity is evaluated. | 2017-10-26 |
20170306880 | HIGH-PRESSURE PUMP AND FUEL-SUPPLY SYSTEM USING SAME - A high-pressure pump includes: a low-pressure chamber, into which low-pressure fuel discharged from a low-pressure pump flows; a pressurizing chamber, which pressurizes the low-low-pressure fuel; and a leak chamber, into which leaked fuel from the pressurizing chamber flows. The leaked fuel of the leak chamber is suctioned into and is pressurized in the pressurizing chamber together with the low-pressure fuel of the low-pressure chamber, so that the leaked fuel is discharged to an outside of the high-pressure pump as high-pressure fuel. Furthermore, a suction check valve, which is placed between the low-pressure chamber and the leak chamber, limits backflow of the leaked fuel of the leak chamber to the low-pressure chamber when the high-pressure pump does not supply the high-pressure fuel. | 2017-10-26 |
20170306881 | METHODS AND SYSTEMS FOR FIXED AND VARIABLE PRESSURE FUEL INJECTION - Methods and systems are provided for operating a high pressure injection pump to provide each of high fixed fuel pressure at a port injection fuel rail and high variable fuel pressure at a direct injection fuel rail. Port injection fuel rail pressure can be raised above a pressure provided with a lift pump via a fuel system configuration that includes various check valves, pressure relief valves, and a spill valve positioned between an inlet of the high pressure injection pump and the port injection fuel rail. High pressure port injection may be advantageously used to provide fuel at high pressure during conditions when fuel delivery via high pressure direct injection is limited. | 2017-10-26 |
20170306882 | PISTON WITH ASYMMETRIC UPPER COMBUSTION SURFACE AND METHOD OF MANUFACTURE THEREOF - A galleryless piston and method of construction provide a piston body forged from a single piece of material having an upper combustion surface extending around a longitudinal center axis along which the piston reciprocates for exposure to a combustion chamber of an internal combustion engine. The upper combustion surface has an asymmetric geometry relative to a center plane extending along the central longitudinal axis in generally perpendicular relation to a pin bore axis. | 2017-10-26 |
20170306883 | ENGINE BED PLATE - An engine bed plate includes a plurality of partition walls provided in a casing and dividing an interior of the casing to define a plurality of crank chambers. A first ventilation hole is provided in a front wall and each of the plurality of partition walls. The first ventilation hole is formed in a horizontal direction to ventilate the plurality of crank chambers. | 2017-10-26 |
20170306884 | INTAKE MANIFOLD DUAL PORT SEAL GASKET - A gasket arrangement for use between an intake manifold and a cylinder head of an internal combustion engine is provided. Individual runner grooves are formed around each of the manifold runner openings. A collective runner groove is formed around all of the individual runner grooves. A relatively compressible sealing gasket material is placed in each of the runner grooves and a barrier gasket material placed in the collective runner groove. The relatively compressible sealing gasket material provides an effective seal at low engine operating temperatures. The barrier gasket material provides an effective seal against the passage of hydrocarbons. The relatively compressible sealing gasket material is preferably silicone rubber. The barrier gasket material is preferably a fluorine elastomer having a high fluorine content of preferably at least 66.0%. Accordingly, the silicone gasket provides a seal while the fluorinated polymer gasket is relatively impermeable to hydrocarbons and satisfies emission requirements. | 2017-10-26 |
20170306885 | THRUST EFFICIENT TURBOFAN ENGINE - A disclosed turbofan engine includes a gas generator section for generating a gas stream flow. A speed reduction device is driven by the power turbine. A propulsor section includes a fan driven by the power turbine through the speed reduction device at a second speed lower than the first speed for generating propulsive thrust as a mass flow rate of air through a bypass flow path. The fan includes a tip diameter greater than forty-five (45) inches and an Engine Unit Thrust Parameter (“EUTP”) defined as net engine thrust divided by a product of the mass flow rate of air through the bypass flow path, a tip diameter of the fan and the first rotational speed of the power turbine for cruise, climb and sea level take-off power conditions. | 2017-10-26 |
20170306886 | THRUST EFFICIENT TURBOFAN ENGINE - A disclosed turbofan engine includes a gas generator section for generating a gas stream flow. A speed reduction device is driven by the power turbine. A propulsor section includes a fan driven by the power turbine through the speed reduction device at a second speed lower than the first speed for generating propulsive thrust as a mass flow rate of air through a bypass flow path. The fan includes a tip diameter greater than forty-five (45) inches and an Engine Unit Thrust Parameter (“EUTP”) defined as net engine thrust divided by a product of the mass flow rate of air through the bypass flow path, a tip diameter of the fan and the first rotational speed of the power turbine for cruise, climb and sea level take-off power conditions. | 2017-10-26 |
20170306887 | THRUST EFFICIENT TURBOFAN ENGINE - A disclosed turbofan engine includes a gas generator section for generating a gas stream flow. A speed reduction device is driven by the power turbine. A propulsor section includes a fan driven by the power turbine through the speed reduction device at a second speed lower than the first speed for generating propulsive thrust as a mass flow rate of air through a bypass flow path. The fan includes a tip diameter greater than forty-five (45) inches and an Engine Unit Thrust Parameter (“EUTP”) defined as net engine thrust divided by a product of the mass flow rate of air through the bypass flow path, a tip diameter of the fan and the first rotational speed of the power turbine for cruise, climb and sea level takeoff power conditions. | 2017-10-26 |
20170306888 | CONTINUOUS DETONATION WAVE ENGINE AND AIRCRAFT PROVIDED WITH SUCH AN ENGINE - The invention relates to a continuous detonation wave engine and aircraft provided with such an engine. The continuous detonation wave engine ( | 2017-10-26 |
20170306889 | SPACECRAFT NOZZLE COMPRISING AN IMPROVED DEPLOYMENT SYSTEM | 2017-10-26 |
20170306890 | INTERNAL COMBUSTION ENGINE - A method of operating an internal combustion engine comprising a cylinder and a piston, the method including injecting into the cylinder, as a liquid, a fuel which has been condensed into its liquid phase via a refrigeration process, such that the fuel vaporises into its gaseous phase during a compression stroke of the piston and before combustion such that a rise in temperature caused by the compression stroke is limited by the absorption of heat by the fuel. | 2017-10-26 |
20170306891 | DIRECT INJECTION GAS INJECTOR WITH AN ELASTOMER SEAL - A gas injector for injecting a gaseous fuel directly into a combustion chamber of an internal combustion engine, having a valve closing element for releasing and closing a through-opening, a first seal seat between the valve closing element and a valve body, the first seal seat being a metallic seal seat having two metallic sealing partners, and having a second seal seat between the valve closing element and a stationary component, the second seal seat having at least one elastomer seal as sealing partner, the first seal seat being situated closer to the combustion chamber than is the second seal seat. | 2017-10-26 |
20170306892 | SYSTEMS AND METHODS FOR REMOVING COKING DEPOSITS IN A FUEL INJECTION SYSTEM - Methods and systems are provided for reducing coking deposits in a fuel injection system. In one example, a method may comprise humidifying intake air of an intake system of an engine in response to a determination that fuel injector coking is occurring, or after a duration has passed since a most recent humidification event. A humidifying fluid, such as water, may be injected into the intake system to humidify the intake air, and the resulting humidified intake air may reduce and/or remove coking deposits on one or more direct fuel injectors of the fuel injection system. | 2017-10-26 |
20170306893 | SYSTEM AND METHODS FOR IMPROVING FUEL ECONOMY - Methods and systems are provided for controlling engine operation in a hybrid vehicle, where the vehicle engine comprises one or more cylinders dedicated to recirculating exhaust to the intake manifold. In one example, if an engine load decreases below a level where dedicated exhaust gas recirculation may lead to combustion stability issues, engine load may be increased above the demanded load and the excess power used to charge a system battery, or if the battery state of charge is above a threshold, the engine may be shut down and the vehicle propelled via battery power. In this way, fuel economy and combustion stability issues may be improved, NOx emissions reduced, and costs for implementation of dedicated exhaust gas recirculation decreased. | 2017-10-26 |
20170306894 | INTERNAL COMBUSTION ENGINE - An internal combustion engine includes, in addition to an LPL-EGR system, two water vapor separation film modules for fresh air and for EGR gas. A module for fresh air is provided in an intake passage between a connecting portion with an EGR passage, and an air cleaner. A module for EGR gas is provided in the EGR passage on an upstream side of an EGR cooler. The module is connected to a pressure reducing pump through a suction passage. The module is connected to a pressure reducing pump through a suction passage. | 2017-10-26 |
20170306895 | AIR INTAKE APPARATUS - This air intake apparatus includes an air intake apparatus body including an intake air passage and an external gas passage portion provided as a structure separate from the air intake apparatus body inside the air intake apparatus body, the external gas passage portion through which external gas can be introduced into the intake air passage. | 2017-10-26 |
20170306896 | EGR COOLER FOR VEHICLE - The present disclosure provides an EGR cooler for a vehicle. The EGR cooler includes: a gas passage having a predetermined length, the gas passage including a linear part forming a linear section and extension parts extending from opposite ends of the linear part after being bent; a heat radiation fin having a shape formed by being folded several times, the heat radiation fin being placed in the linear section of the gas passage; and a base provided with an inlet hole at a first end and an outlet hole at a second end. In particular, the inlet hole and the outlet hole each has a shape corresponding to a cross-section of the gas passage, and the extension parts are inserted into the inlet hole and the outlet hole, respectively. | 2017-10-26 |
20170306897 | EXHAUST SYSTEM FOR VEHICLES AND CONTROL METHOD THEREOF - An exhaust system for vehicles and a control method for the system are disclosed. The exhaust system for vehicles includes: a first channel including a plurality of first unit flow paths formed by stacking a plurality of heat exchanger plates provided with heat exchanger fins; a second channel provided in parallel with the first channel and including a plurality of heat exchanger tubes respectively forming a plurality of second unit flow paths having a greater cross-sectional area than a cross-sectional area of the first unit flow paths; an opening and closing unit provided to selectively shield the first channel and the second channel; and a controller provided to control the opening and closing unit according to driving conditions of a vehicle so as to control flows of exhaust gas to the first channel and the second channel. | 2017-10-26 |
20170306898 | ENGINE SYSTEM AND METHOD OF CONTROLLING ENGINE USING THE ENGINE SYSTEM - An engine system includes an engine, an intake line, an exhaust line, a turbocharger, a water-cooled intercooler, a high-pressure Exhaust Gas Recirculation (EGR) system which includes a high-pressure EGR line, a high-pressure EGR cooler, and a high-pressure EGR valve, a low-pressure EGR system which includes a low-pressure EGR line, and a low-pressure EGR cooler, a radiator which cools the coolant, a low-pressure EGR cooling line, an intercooler cooling line, a low-pressure EGR cooling valve, an intercooler cooling valve, an electric water pump, a driving information detector which detects driving information of a vehicle including an outside air temperature, a temperature of the intake gas supplied to the engine and a coolant temperature, and a controller which controls the low-pressure EGR cooling valve, the intercooler cooling valve, the high-pressure EGR valve and the electric water pump based on the driving information detected by the driving information detector. | 2017-10-26 |
20170306899 | EXHAUST CIRCULATING DEVICE FOR INTERNAL COMBUSTION ENGINE - An ejector used in an EGR system is disposed at a position at which at least part of an outer-diameter-gradually-varying portion of a nozzle can be viewed through an introduction hole from the outside of the housing. Consequently, EGR gas introduced into the housing through the introduction hole is introduced into a decompression chamber without colliding with an outer wall of an outer-diameter equivalent portion of the nozzle. The outer-diameter-gradually-varying portion of the nozzle guides the EGR gas from the introduction hole, so that the EGR gas can be efficiently mixed with an air flow of compressed air supplied from an air compressor. | 2017-10-26 |
20170306900 | AIR FILTER DEVICE FOR FILTERING THE INTAKE AIR OF A COMBUSTION ENGINE, IN PARTICULAR FOR A HAND-HELD SMALL TOOL - An air filter device for filtering the intake air of a combustion engine of a hand-held small tool, in particular an angle grinder, with a pre-filter stage having at least one cyclone air filter and with a main filter stage arranged downstream, having a permeable filter body, characterized in that a pre-separation device for pre-separating contaminations in the intake air is installed upstream of the intake air in front of the cyclone air filter, wherein the pre-separation device is configured in such a way that separated contaminations can be removed from the outside of the small tool. | 2017-10-26 |
20170306901 | INTAKE MANIFOLD WITH INTERNAL EXHAUST GAS RECIRCULATION TUBE - An exemplary intake manifold may include an upper manifold configured to receive fresh air, an EGR tube configured to introduce exhaust gas into the upper manifold to be mixed with the fresh air, and a lower manifold configured to distribute the mixture of the fresh air and the exhaust gas cylinders of the internal combustion engine. The upper manifold may include an upper shell and a lower shell that may cooperate to define at least one channel in which at least a portion of the EGR tube may be secured. | 2017-10-26 |
20170306902 | FUEL INJECTION UNIT FOR INTERNAL COMBUSTION ENGINE - The present disclosure provides a fuel injection unit for an internal combustion engine. The fuel injection unit includes: a separator that is disposed in an intake port to supplie air into a combustion chamber formed in an engine head, and that divides a channel for air into an upper channel and a lower channel; a blade disposed ahead of the separator and opening or closing the upper channel or the lower channel by rotating; and a first injector disposed over the intake port. In particular, when the first injector injects fuel, the blade does not interfere with the fuel. | 2017-10-26 |
20170306903 | FLOW RATE MEASURING DEVICE - The present disclosure provides a flow rate measuring device for measuring a flow rate of a main flow flowing through a duct. The flow rate measuring device includes a bypass passage, a blow rate sensor, and a measurement body. The measurement body includes a measurement flow inlet and a cylindrical portion. The measurement flow inlet is open toward an upstream side of the duct. The measurement flow outlet is open toward a downstream side of the duct. The cylindrical portion is disposed to cover the measurement flow outlet. The cylindrical portion includes an outer circumferential surface, which guides the main flow, and an inner circumferential surface, which guides the measurement flow. The cylindrical portion includes a waveform portion that is formed in an edge side of an opening of the cylindrical. The waveform portion has a shape that divides the main flow guided by the cylindrical portion into a plurality of main flows and that divides the measurement flow guided by the cylindrical portion into a plurality of measurement flows. | 2017-10-26 |
20170306904 | INTAKE NOISE REDUCTION DEVICE - The intake noise reduction device is capable of suppressing hindrance to the airflow caused by deformation of a flow-regulating net portion and suppressing a reduction in the airflow amount. A linear portion having a mesh shape constituting a flow-regulating net portion | 2017-10-26 |
20170306905 | High Pressure Fuel Supply Pump - An object of the present invention is to obtain a high pressure fuel supply pump capable of reducing pressure pulsation that occurs in a low pressure pipe, preventing damage to the low pressure pipe, or reducing noise due to vibrations of the low pressure pipe. The present invention provides a high pressure fuel supply pump of a type in which, from a fuel suction port connected to a low pressure pipe provided upstream of a fuel, a low pressure passage, an electromagnetic suction valve driven by an electromagnetic force, a pressurizing chamber in which the volume thereof is increased or reduced by a plunger that is reciprocatingly moved by being guided by a cylinder, and a discharge valve provided at an outlet of the pressurizing chamber are sequentially arranged, a fuel is sucked to the pressurizing chamber through the electromagnetic suction valve, the amount of a part of the fuel, which is sucked to the pressurizing chamber, to be returned to the low pressure passage side is adjusted so that the amount of the fuel to be discharged through the discharge valve is controlled, and the high pressure fuel supply pump includes a backflow suppression mechanism for suppressing backflow of fuel from the fuel from the fuel suction portion to the low pressure pipe side. | 2017-10-26 |
20170306906 | FUEL SUPPLY DEVICE - A fuel supply device may include a pump case configured to accommodate a fuel pump, a reserve tank, and an elastic support member configured to elastically support the pump case with respect to the reserve tank. The elastic support member is connected to the pump case and the reserve tank via a first connection device and a second connection device, respectively. The first connection device is configured to pivotally connect the elastic support member to the pump case and/or the second connection device is configured to pivotally connect the elastic support member to the reserve tank. | 2017-10-26 |
20170306907 | METHOD AND APPARATUS FOR OPTIMUM DRIVE SIGNAL CONTROL OF AN ELECTROMAGNETICALLY-ACTIVATED ACTUATOR - An electromagnetically-activated actuator includes an electrical coil, an armature moveable between rest and actuated positions, and a bi-directional driver. A method for controlling an actuator event includes applying a supply voltage at a first polarity across the coil for a first duration to drive a forward current through the coil effective to move the armature away from the rest position. The forward current has a forward current peak at the end of the first duration. After the first duration, the supply voltage is applied at a second polarity across the coil for a second duration to drive a reverse current through the coil. The second duration terminates when the reverse current attains a predetermined reverse current peak, wherein the predetermined reverse current peak is coincident with the armature returning to the rest position. | 2017-10-26 |
20170306908 | METHOD FOR LIMITING FUEL LEAKAGE FROM AN INJECTOR AFTER STOPPAGE OF THE ENGINE BY MEANS OF FORCED COOLING OF THE INJECTION RAIL - Disclosed is a method for limiting fuel leakage from at least one injector in an engine of a motor vehicle, the engine being stopped and the motor vehicle ignition circuit being switched off, the injector being supplied with fuel via a fuel rail which is pressurized during operation, the pressurization persisting for a certain period when the engine has been stopped and the ignition circuit switched off, leading to leakage of fuel through the injector. The injection rail is subjected to forced cooling following the stoppage of the engine with the motor vehicle ignition circuit switched off, which is sufficient to reduce the pressure, the forced cooling continuing until the pressure in the rail is close to atmospheric pressure. | 2017-10-26 |
20170306909 | PROTECTIVE STRUCTURE FOR FUEL PIPE - Provided is a protective structure ( | 2017-10-26 |
20170306910 | PUMP UNIT FOR SUPPLYING FUEL, PREFERABLY DIESEL OIL, TO AN INTERNAL COMBUSTION ENGINE - A pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine has at least two cylinders ( | 2017-10-26 |
20170306911 | FUEL PUMP MODULE FOR IMPROVING RADIANT HEAT AND METHOD FOR MANUFACTURING THE SAME - Provided are a fuel pump module for improving radiant heat and a method for manufacturing the same, in which when heat generating components included in the fuel pump module are fixed by a potting process of injecting a liquefied resin, a guide is installed first, the liquefied resin is injected, and a heat radiating plate is inserted into the guide to increase a size of the heat radiating plate, thereby increasing heat radiating capability. | 2017-10-26 |
20170306912 | Piston Fuel Pump for an Internal Combustion Engine - A piston fuel pump for an internal combustion engine includes a pump cylinder and a pump piston that is configured to be axially displaced in the pump cylinder. A working chamber is defined by the pump piston. A seal is provided on the pump cylinder, which seals the working chamber counter to a low pressure region. The seal is applied directly to the pump piston by an injection molding method. | 2017-10-26 |
20170306913 | FUEL INLET FILTER FOR FUEL INJECTORS - A method for compensating for a variable distance between two components of an apparatus for providing a fluid filtering device therebetween is provided. The method comprises placing an adjustable filtering device between two components, altering the distance between the two components, and compensating for the change in distance between the two components by varying a dimension of the adjustable filtering device. | 2017-10-26 |
20170306914 | HIGH PRESSURE VALVE - A high pressure valve includes a body on which is fixed an electromagnet, the shell of which has a radial discal part provided with a central hole connecting an internal opposite surface to an external surface. The body is provided with a cylindrical external centring surface and with a radial support surface. The shell is arranged on the body around the centring surface, the external discal surface being in surface contact against the support surface of the body. The coil of the electromagnet is arranged in the tubular space between the body and the shell itself closed by a closure ring. The liquid-tightness between the body and the shell is ensured by a gasket compressed by a wedging washer against the centring surface and against the internal discal surface. The shell is then immobilised on the body by the wedging washer. | 2017-10-26 |
20170306915 | ENGINE DIAGNOSTIC SYSTEM AND METHOD - A system may include at least one engine bank including a plurality of fuel injectors. At least one exhaust temperature sensor is coupled to the engine bank(s). The exhaust temperature sensor(s) is configured to output at least one temperature signal regarding an exhaust temperature of the engine bank(s). A traction system is configured to output at least one electrical signal related to a power output of a vehicle. A control unit is coupled to the exhaust temperature sensor(s) and the traction system. The control unit is configured to receive the temperature signal(s) and the electrical signal(s). The control unit is configured to determine a mechanical and electrical health of the plurality of the fuel injectors by determining a temperature differential value of the temperature signal(s) and a power differential value related to the electrical signal(s), and analyzing a combination of the temperature differential value and the power differential value. | 2017-10-26 |
20170306916 | SNOWTHROWER WITH REMOVABLE SELF-HEATING STARTER BATTERY PACK - A snowthrower includes an internal combustion engine and a starter battery pack that provides electrical power to operate an electric starter motor. The starter battery pack is received within a receptacle of the snowthrower and is selectively coupled to the starter motor to initiate operation of the internal combustion engine. The starter battery pack can further include a battery heating circuit that is operable to heat the starter battery pack above ambient temperatures to increase the current output of the starter battery pack. The battery heating circuit includes a controller that utilizes electrical power from the starter battery pack to heat the starter battery pack. | 2017-10-26 |
20170306917 | Combustion Pre-Chamber and Method for Operating Same - A method for operating an internal combustion engine includes operating at least one cylinder pre-chamber in a homogeneous charge compression ignition (HCCI) combustion mode by providing an air/fuel mixture in the pre-chamber that is fluidly connected to the at least one engine cylinder, creating H and OH radicals in the pre-chamber to achieve an ignition in the at least one pre-chamber, determining whether an ignition timing is advanced or delayed relative to a desired timing, and delaying the ignition when the ignition is advanced relative to the desired timing by cooling the pre-chamber and the at least one engine cylinder. | 2017-10-26 |
20170306918 | COMPRESSION-IGNITION TYPE INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE - A compression-ignition type internal combustion engine that burns a gaseous fuel, improves an ignition performance not only at a center part of the combustion chamber but also at an outer edge part. The compression-ignition engine comprises an electromagnetic wave generator configured to generate an electromagnetic wave, a controller configured to control the electromagnetic wave generator, and a plasma generator comprising a boosting circuit that constitutes a resonator configured to boost the electromagnetic wave, a first electrode configured to receive an output from the boosting circuit, and a second electrode provided to a vicinity of the first electrode, and the plasma generator is configured such that the first electrode is extruded and exposed toward a combustion chamber of the internal combustion engine, and a plurality of plasma generators are provided. | 2017-10-26 |
20170306919 | ROTATING MACHINE AND INSTALLATION FOR CONVERTING ENERGY COMPRISING SUCH A MACHINE - The rotating machine, comprises a shaft and at least one device for measuring at least the accelerations of the shaft along pitch, yaw and roll axes of the shaft or the angular position of the shaft around the pitch, yaw and roll axes, the or each device being mounted on the shaft | 2017-10-26 |
20170306920 | The engine operated by the buoyancy of water - The invention relates to engine operated by the buoyancy of water, this engine is made up of water tank( | 2017-10-26 |
20170306921 | HIGH TORQUE WIND TURBINE BLADE, TURBINE, GENERATOR, AND ASSOCIATED SYSTEMS AND METHODS - A blade for a wind turbine can include an elongated sheet having a root, a tip positioned opposite the root, a leading edge spanning between the root and the tip along a length of the sheet, and a trailing edge positioned opposite the leading edge and spanning between the root and the tip along the length of the sheet. The sheet can be curved such that the root and the tip are curved and a region between the tip and the root is curved. The tip can be twisted relative to the root by a washout angle of 18 degrees. The blade can include high density polyethylene, such as hexene copolymer high density polyethylene. A wind turbine can include a mounting plate and a plurality of turbine blades connected to the mounting plate. In addition, a rotor for a radial flux, permanent magnet alternator can be fabricated from non-magnetic material. | 2017-10-26 |
20170306922 | WINDMILL BLADE - Provided is a windmill blade, comprising a core material formed of an acrylic resin expanded article and an outer skin covering the core material, in winch the outer skin is formed of a fiber-reinforced resin material including a carbon fiber and a resin, and the acrylic resin expanded article has a specified bending modulus. | 2017-10-26 |
20170306923 | ROTOR BLADE FOR WIND TURBINE | 2017-10-26 |
20170306924 | Wind turbine for the production of electric power with multiple-blade vanes and horizontal shaft supperted at the ends - Wind turbine system improved by the inventor for the production of electrical power, which comprises a shaft supported at two ends on two towers made of concrete or steel or another material, the lower half of which wind turbine is closed with a frustopyramidal shape in order that the wind does not pass and generate a “hill” effect and simply applies thrust to the upper part of the system. The system comprises sails composed of vanes in the form of a blade (double-arc) that rotate about themselves in order to utilize 100% of the different wind speeds and a possible stopping of the wind turbine system. The blades of the vanes of the wind turbine may be braced with respect to one another in order, where necessary, that same move at the same time. On account of the level of safety and stability it affords, the wind turbine allows a number of wind turbines to be placed in the direction of the wind. | 2017-10-26 |
20170306925 | THREE-VANE DOUBLE ROTOR FOR VERTICAL AXIS TURBINE - A double rotor for vertical axis turbine includes two single three-vane rotors separated by a horizontal or separation plate, wherein such plate provides two different access areas to the propelling fluid, wherein between each of the three vanes of each of the single rotors it is determined surface continuity attenuated by curves in the fluid flow direction preventing parasitic flows during rotation thereof. | 2017-10-26 |
20170306926 | SYSTEM AND METHOD FOR ESTIMATING HIGH BANDWIDTH TOWER DEFLECTION FOR WIND TURBINES - The present disclosure is directed to a method for estimating tower loads, such as tower deflection, of a wind turbine. The method includes receiving an estimate of slow variations in thrust of a tower of the wind turbine. The method also includes determining, via one or more sensors, tower accelerations of the tower of the wind turbine. Thus, the method also includes estimating the tower loads of the wind turbine as a function of the estimate of slow variations in thrust of the tower and the tower accelerations. | 2017-10-26 |
20170306927 | CABLE TO TEMPORARILY STORE & TRANSPORT KINETIC-ENERGY FROM COLLECTOR TO GENERATOR - A temporary kinetic energy storage-holder and energy transfer devise, comprising of a rotating cable preferably of steel, between two fixed rotating points each a thrust bearings and a one direction rotation hub at the kinetic energy source, coupled to at one end to a kinetic energy capturing devise such as wind turbine, water wheel, animal human or any other kinetic energy generating or collector devise, and at the other end, coupled to an electricity generating devise, a generator, directly or via a geared speed modifier to control generator impute. And all this attached to a supporting structure, tower, pole, pipe column or the ground, to transform kinetic energy into electricity. | 2017-10-26 |
20170306928 | WIND POWER GENERATION SYSTEM AND DC POWER TRANSMISSION SYSTEM - A wind power generation system according to the present invention includes: a DC bus; a plurality of feeders connected to the DC bus for transmitting DC powers to the DC bus; a plurality of wind power generators; a plurality of AC/DC converters connected one by one to each of the wind power generators for converting AC powers generated by the connected wind power generators, into DC powers, and outputting the DC powers to the feeders; and a DC breaker and a diode, which serve as a current limiting unit installed on each of the feeders for preventing a DC current from flowing from the DC bus into the feeder. | 2017-10-26 |
20170306929 | ROLLER BEARING, RETAINER SEGMENT, SPACER AND MAIN SHAFT SUPPORT STRUCTURE OF WIND-POWER GENERATOR - A roller bearing comprises an outer ring, an inner ring, a plurality of rollers arranged between said outer ring and said inner ring; and a plurality of retainer segments having a plurality of column parts extending in a direction along a shaft so as to form a pocket for holding said roller. A connection part extends in a circumferential direction so as to connect the plurality of column parts, and continuously lined with each other in the circumferential direction between said outer ring and said inner ring, in which a corner of a circumferential end face is chamfered. Also provided is a spacer arranged between the circumferentially arranged first retainer segment and last retainer segment, wherein a chamfered part is provided at a corner of a circumferential spacer end face of the space. The roller bearing can be used in a main shaft support structure of a wind-power generator. | 2017-10-26 |
20170306930 | MAIN SHAFT FIXTURE - A main shaft fixture for fixing a main shaft on a wind turbine during installation and repair work on heavy parts of the wind turbine nacelle, in the case where the fixture is formed of several sections for mounting on stable structural parts in the nacelle, including the nacelle's bottom frame. The main shaft fixture has adjustable pressure mandrels with tap shoes, which cause the fixture to be usable regardless of the turbine main shaft geometry, such that it can be mounted without fixing the rotor. The main shaft fixture also has facilities for mounting of a lightweight crane and a self-hoisting crane with a ground-based winch, respectively, as well as a rotor lock which, in combination with actuators of the main shaft fixture, enables the main shaft and the main shaft bearing to be sufficiently displaced vertically from its bearing in the nacelle to service or replace the bearing. | 2017-10-26 |
20170306931 | ENERGY-SAVING EQUILIBRIUM MECHANISM, ROTATING MACHINE AND METHOD OF IMPLEMENTATION - The present invention concerns a mechanism ( | 2017-10-26 |
20170306932 | TIGHT STRUCTURE FOR EXTERNAL SOLAR RECEIVER IN A TOWER OF A CONCENTRATING SOLAR POWER PLANT - An external solar receiver, for a concentrating thermodynamic solar power plant of the type with a tower and heliostat field, has a wind tight modular inner structure, also called “casing,” and a plurality of heat exchanger tube receiver panels fastened to that inner structure. Each panel has a plurality of metal boxes supporting the heat exchanger tubes and assembled to one another by assembly means allowing the disassembly, each box being covered with thermal insulation via an anchor. The tubes are secured to the boxes by a removable and floating connector. | 2017-10-26 |
20170306933 | Ocean Thermal Energy Conversion Power Plant - An offshore power generation structure comprising a submerged portion having a first deck portion comprising an integral multi-stage evaporator system, a second deck portion comprising an integral multi-stage condensing system, a third deck portion housing power generation equipment, cold water pipe; and a cold water pipe connection. | 2017-10-26 |
20170306934 | Loop Linked Smart Morphing Actuator - Disclosed is a loop linked smart morphing actuator. The actuator includes a first area morphed in a first pattern and a second area morphed in a second pattern according to an external signal. The first area includes a first unit cell morphed in a first direction. The second area includes a second unit cell morphed in a second direction. The first unit cell and the second unit cell may be configured in a loop type knit structure. The second direction is opposite to the first direction, the second pattern is a pattern which has a symmetrical relationship with the first pattern and is provided opposite to the first pattern. In regard to a structure or a shape, provided is an actuator including a knit structure for realizing various driving forms which cannot be predicted through predetermined first and second patterns or a simple combination thereof. | 2017-10-26 |
20170306935 | Reciprocating Pump - A reciprocating pump capable of reducing its overall size by suppressing the size of an entire drive unit. A plurality of piston parts move in the same direction and draw fluid into a plurality of pump chambers and discharge the fluid. The pump chambers are adjacent to each other. A motor has a drive shaft between the centers of piston parts located at both ends in the installation direction of the pump chambers and oriented in a direction substantially orthogonal to the installation direction of the pump chambers and substantially orthogonal to the moving direction of the piston parts. A plurality of cams are aligned adjacent each other in the axial direction on the motor drive shaft. The cams are linked to the piston parts so that the cams cause the reciprocal movement of the piston parts. | 2017-10-26 |
20170306936 | CONTROLLER FOR HYDRAULIC PUMP - A hydraulic pump ( | 2017-10-26 |
20170306937 | AXIAL HYDRAULIC PISTON PUMP - An axial piston pump including a housing, a cylinder block, and a swash block. The cylinder block is rotatable within the housing about a vertical axis and includes an array of openings in the cylinder block distributed about the vertical axis and an array of pistons reciprocatably movable within the respective openings. The swash block is rotatable about an axis of rotation that is transverse to the vertical axis, and the degree of rotation is configured to control the extent of reciprocation of the pistons as the cylinder block rotates. The swash block has arc shape conical bearing surfaces tilted relative to the axis of rotation that are configured to guide movement of the swash block rotationally about the axis of rotation and prevent movement of the swash block axially along the axis of rotation. | 2017-10-26 |
20170306938 | Ultra High Pressure Pump With An Alternating Rotation To Linear Displacement Drive Mechanism - A high pressure pump including a linear actuator having a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller. | 2017-10-26 |
20170306939 | Multi-Refrigerator High Speed Cryopump - A refrigerator system or cryopump includes a first refrigerator having at least first and second stages, and a second refrigerator. A thermal coupling between the first stage of the first refrigerator and a cold end of the second refrigerator is restricted to maintain a temperature difference between the cold end of the second refrigerator and the first stage of the first refrigerator. The refrigerator system or cryopump also includes a radiation shield in thermal contact with the cold end of the second refrigerator, and a condensing surface, spaced from and surrounded by the radiation shield, and in thermal contact with a second stage, e.g., coldest stage, of the first refrigerator. The restricted thermal coupling can be configured to balance the cooling load on the two refrigerators. | 2017-10-26 |
20170306940 | DEVICE FOR IMPROVING THE VACUUM IN THE HOUSING OF A MACHINE - The disclosure relates to a device for improving a vacuum in the housing of a machine, in particular a centrifugal-mass energy store, comprising a rotor, for example a shaft having a centrifugal mass arranged thereon, which rotor is supported on at least one superconducting bearing in a contactless manner and is arranged in a vacuum container. In order to maintain the operating state of the superconducting bearing, the superconducting bearing is thermally connected to a cold source cooled by a cryogenic medium. According to the invention, the vacuum in the vacuum container is improved by means of an adsorber thermally connected to a cooling apparatus. The cooling of the adsorber occurs preferably by means of evaporated cooling medium from the superconducting bearing. | 2017-10-26 |
20170306941 | HERMETIC COMPRESSOR AND REFRIGERATION DEVICE - A hermetic compressor accommodates in hermetic container ( | 2017-10-26 |
20170306942 | HOSE PUMP AND DEVICE FOR ANALYSING A CHEMICAL OR BIOLOGICAL SAMPLE - Hose pump with a hose for taking up the fluid to be pumped and with a planetary gear rack having a ring gear, a sun gear and at least two planetary gears interposed between the ring gear and the sun gear, wherein at least one of the teeth of the planetary gear during one cycle of the planetary gear around the sun gear at least once engages with the hose to squeeze a portion of the hose. | 2017-10-26 |
20170306943 | CENTERLESS PUMP - The present disclosure may relate to a pump including a centerless rim, a first roller guide shaped to roll along the centerless rim such that as the first roller guide is rotated, friction between the first roller guide and the centerless rim causes a corresponding rotation of the centerless rim. The pump may also include a second roller guide shaped to roll along the centerless rim, and a plurality of peristaltic rollers coupled to the centerless rim. The pump may additionally include a tube housing disposed proximate the plurality of peristaltic rollers, and a tube disposed between the tube housing and the peristaltic rollers such that as the centerless rim is rotated, the peristaltic rollers compress the tube against the tube housing to create negative pressure within the tube. | 2017-10-26 |
20170306944 | CENTERLESS PUMP - The present disclosure may relate to a pump including a centerless rim, a first roller guide shaped to roll along the centerless rim such that as the first roller guide is rotated, friction between the first roller guide and the centerless rim causes a corresponding rotation of the centerless rim. The pump may also include a second roller guide shaped to roll along the centerless rim, and a plurality of peristaltic rollers coupled to the centerless rim. The pump may additionally include a tube housing disposed proximate the plurality of peristaltic rollers, and a tube disposed between the tube housing and the peristaltic rollers such that as the centerless rim is rotated, the peristaltic rollers compress the tube against the tube housing to create negative pressure within the tube. | 2017-10-26 |
20170306945 | COUNTERWEIGHTED PUMPJACK WITH REVERSIBLE MOTORS - A counterweighted well pumping unit comprises two or more reversible motors, each of which is directly and operatively connected to a rotatable drive component mounted on a support structure positioned over a wellhead. For each motor, an elongate, flexible drive element is trained over the associated rotatable drive component, with one end of the flexible drive element connected to a counterweight assembly and the other end connected to a pump rod string associated with the wellhead. Actuation of the motors rotates the rotatable drive components, thus causing the drive elements to move the pump rod string and the counterweight assembly in opposite vertical directions. The rotational direction of the drive motors is alternated so as to alternate the directions of vertical movement of the pump rod string and the counterweight. The counterweight assembly may be concentric with or offset from the wellhead. | 2017-10-26 |
20170306946 | Pressure-Maintaining Valve Arrangement for a Purge Circuit of a Closed Hydraulic Circuit - A pressure-maintaining valve arrangement of a purge circuit of a closed hydraulic circuit includes a pressure-maintaining valve configured to be shut off via a pilot valve. In one embodiment, a control pressure chamber, acting in the closing direction, of the pressure-maintaining valve is configured to be relieved via the pilot valve to a tank, and the pressure-maintaining valve is closed via a spring acting in the closing direction. In another embodiment, the valve arrangement includes an additional control pressure chamber acting in the closing direction. The additional control pressure chamber is configured to be loaded via the pilot valve, and the pressure-maintaining valve closes. The pressure of the inlet of the pressure-maintaining valve is used for this purpose. | 2017-10-26 |
20170306947 | VALVE DEVICE OF COMPRESSOR, AND SEALED COMPRESSOR INCLUDING VALVE DEVICE - A valve device of a compressor of the present invention comprises a plate ( | 2017-10-26 |
20170306948 | Multiple Pressure Variable Displacement Pump with Mechanical Control - A variable displacement vane pump that includes a biasing assembly that applies a first biasing force to a pump control ring when the pump control ring is located a first position and a second position and applies a second biasing force when the pump control ring is located between the second position and a third position. The first position of the pump control ring corresponds to a maximum volumetric capacity of the pump, the second position corresponds to an intermediary volumetric capacity of the pump, and the third position corresponds to a minimum volumetric capacity of the pump. Fluid pressure within a control chamber urges the pump control ring toward the third position. | 2017-10-26 |
20170306949 | Rotary Piston Pump, Method For Fixing Rotary Pistons Of A Rotary Piston Pump And Method For Dismantling Rotary Pistons Of A Rotary Piston Pump - A method for fixing rotary pistons in a rotary piston pump and a method for dismantling rotary pistons of a rotary piston pump, where the rotary piston pump has two counter-rotating rotary arranged in a pump space on drive shafts. The rotary pistons each include a seating for the drive shafts. The respective drive shaft is arranged and fixed with an end region in the seating of the respective rotary piston. A diameter of the drive shafts in the end region can be widened elastically. In an operational state, in which the rotary pistons are arranged on the respective drive shafts, a frictional connection is formed between the respective seating of the rotary piston and the end region of the respective drive shaft. | 2017-10-26 |
20170306950 | ROTARY PUMP COMPRISING A LUBRICATING GROOVE IN THE SEALING STAY - A rotary pump with a rotational direction which can be switched, including: a housing which has a pump space featuring an inlet into a low-pressure region of the pump space for a medium to be pumped and an outlet out of a high-pressure region of the pump space for the medium to be pumped; at least one rotor; at least one bearing for the at least one rotor; at least one sealing stay which axially faces the rotor and separates the low-pressure region from the high-pressure region in the rotational direction of the rotor; and a lubricant feed which feeds a lubricant from the pump space to at least the bearing, wherein the lubricant feed is formed in the sealing stay. | 2017-10-26 |
20170306951 | SCROLL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS USING THE SAME - A scroll compressor includes a fixed scroll and an orbiting scroll and causes the orbiting scroll to perform an orbiting motion to form a suction chamber and a compression chamber. The scroll compressor includes a first space in a back surface center of the orbiting scroll, lubricant in a bottom of a sealed container, a second space provided further on an outer circumference side than the first space on a back surface of the orbiting scroll, a first oil leak path for causing a part of oil in the first space to leak to the second space, an oil return passage for returning most of the oil in the first space to the bottom in the sealed container, a second oil leak path for causing a part of the oil in the second space to leak to the suction chamber, and a third oil leak path. | 2017-10-26 |
20170306952 | SCROLL COMPRESSOR - There is disclosed a scroll compressor according to the present disclosure in which a discharge port is formed at a central portion thereof, and a pair of two compression chambers continuously moving toward the discharge port are formed, and a plurality of bypass portions are formed at each interval along a movement path of etch compression chamber in the both compression chambers, and compression gradients of the both compression chambers are formed to be different from each other, wherein when an interval between a bypass portion closest to the discharge port and another bypass portion adjacent to the bypass portion among the bypass portions of each compression chamber is defined as a first interval, respectively, a first interval of a second bypass portion belonging to a compression chamber having a relatively larger compression gradient is formed to be smaller than that of a first bypass portion belonging to the other compression chamber between the both compressor chambers. | 2017-10-26 |
20170306953 | SCROLL COMPRESSOR - A scroll compressor is provided that may include a casing; a drive motor provided at an inner space of the casing; a rotational shaft coupled to a rotor of the drive motor, and rotated together with the rotor; a frame provided below the drive motor; a fixed scroll provided below the frame, and having a fixed wrap; and an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap se as to form a compression chamber including a suction chamber, an intermediate pressure chamber, and a discharge chamber, by being engaged with the fixed wrap, and having a rotational shaft coupling portion that couples the rotational shaft thereto in a penetrating manner. In a state in which a center of the fixed scroll and a center of the orbiting scroll are substantially the same, an interval between the fixed wrap and the orbiting wrap gradually increases towards the suction chamber from the discharge chamber. | 2017-10-26 |
20170306954 | SCROLL COMPRESSOR - A scroll compressor is provided that may include an orbiting scroll having an orbiting wrap, and which performs an orbiting motion; and a fixed scroll having a fixed wrap to form a compression chamber including a suction chamber, an intermediate pressure chamber, and a discharge chamber, by being engaged with the orbiting wrap. A wrap thickness of the fixed wrap may be greater than a wrap thickness of the orbiting wrap within a range which forms the suction chamber. With such a configuration, even if the fixed scroll or the orbiting scroll is thermally-expanded, a transformation of the fixed wrap at a suction side may be prevented. This may prevent a gap between the fixed wrap and the orbiting wrap at an opposite side to the suction side, thereby enhancing compression efficiency. | 2017-10-26 |
20170306955 | SCROLL COMPRESSOR - A scroll compressor is provided that may include an orbiting scroll having an orbiting wrap, and which performs an orbiting motion; and a fixed scroll having a fixed wrap to form a compression chamber including a suction chamber, an intermediate pressure chamber, and a discharge chamber, by being engaged with the orbiting wrap. In a state in which the orbiting scroll and the fixed scroll are concentric with each other, when a distance between the orbiting wrap and the fixed wrap is defined as an orbiting radius, there exists an offset section having an interval larger than the orbiting radius, between a side surface of the orbiting wrap and a side surface of the fixed wrap which faces the orbiting wrap. With such a configuration, even if the fixed scroll or the orbiting scroll is transformed due to thermal expansion, interference between the fixed wrap and the orbiting wrap at a portion having a large transformation amount may be prevented. This may prevent a frictional loss or abrasion between the fixed wrap and the orbiting wrap. Further, this may restrict or minimize a gap between the fixed wrap and the orbiting wrap at an opposite side to the suction chamber, resulting in enhanced compression efficiency. | 2017-10-26 |
20170306956 | COMPRESSION DEVICE AND SCROLL COMPRESSOR USING SUCH A COMPRESSION DEVICE - A compression device includes at least: two interleaved scrolls each of which is made of an aluminum alloy, one of the scrolls, being a fixed scroll ( | 2017-10-26 |
20170306957 | SCROLL COMPRESSOR - A scroll compressor is provided that may include a motor; an orbiting scroll; a fixed scroll coupled to the orbiting scroll, and forming a compression chamber together with the orbiting scroll; a frame coupled to the fixed scroll, and configured to support the orbiting scroll; a sealing member mounting groove having a ring shape, and formed on a first surface of the frame contacting the orbiting scroll, or a second surface of the orbiting scroll contacting the frame; and a sealing member including a first sealing portion formed in a ring shape, inserted into the sealing member mounting groove so as to be moveable in an axial direction, and configured to perform a sealing operation between the frame and the orbiting scroll in the axial direction and including a second sealing portion extending from the first sealing portion in the axial direction, and configured to perform a sealing operation between the frame and the orbiting scroll in a radial direction by contacting an outer side wall surface of the sealing member mounting groove A thickness of the second sealing portion in the radial direction may be smaller than a thickness of the first sealing portion in the axial direction. | 2017-10-26 |
20170306958 | OIL-FREE SCREW COMPRESSOR - An oil-free screw compressor has a screw rotor including a screw and a shaft, a bearing supporting the shaft, a first shaft seal device disposed between the screw and the bearing and including a first seal opposite to the shaft, and a first communication portion communicating the bearing side with respect to between the shaft and the first seal and the outer peripheral face of the first shaft seal device, and a second shaft seal device disposed between the first shaft seal device and the bearing and including a second seal opposite to the shaft, and a second communication portion communicating the screw side with respect to between the shaft and the second seal and the outer peripheral face of the second shaft seal device. A casing includes an atmosphere communication portion connected to both of the first communication portion and the second communication portion on the inner peripheral face of a shaft accommodation space, and communicating the first communication portion and the second communication portion with the atmosphere. | 2017-10-26 |
20170306959 | OIL-FREE SCREW COMPRESSOR - An oil-free screw compressor includes: a casing having a rotor chamber; a bearing supporting rotary shafts of the screw rotors; a shaft seal device including an oil seal portion and an air seal portion; an atmosphere open hole formed in the shaft seal device; at least one communication hole formed in the rotary shaft; and an annular space communicating the atmosphere open hole with the at least one communication hole communicate with each other. The annular space includes an inner peripheral annular space formed on an inner peripheral side of the casing. Assuming an open cross-sectional area of the inner peripheral annular space as S | 2017-10-26 |
20170306960 | COMPRESSOR HAVING CAPACITY MODULATION SYSTEM - A compressor may include first and second scrolls, a seal assembly and a valve ring. The first scroll may include a first end plate having a discharge passage, a modulation port, and a biasing passage. The modulation port may be in communication with a first pocket formed between spiral wraps of the first and second scrolls. The biasing passage may be in communication with a second pocket formed between spiral wraps of the first and second scrolls. The modulation valve ring is axially displaceable relative to the seal assembly and the first scroll between first and second positions. The valve ring may abut an end plate of the first scroll and close the modulation port when in the first position. The valve ring may abut an axially-facing surface of the seal assembly and is spaced apart from the end plate to open the modulation port when in the second position. | 2017-10-26 |
20170306961 | COMPRESSOR - Disclosed is a compressor having a torque load reducing unit for moving a center of weight to which a gas force is applied. As the torque load reducing unit is formed at an oval-shaped roller, a distance between a rotation center of the roller and an operation point to which a gas force is applied becomes short. This can reduce a torque load to the roller, and can enhance compression efficiency. | 2017-10-26 |
20170306962 | Scroll Compressor - A scroll compressor comprises a fixed bearing seat, a scroll fixed disk, a scroll orbiting disk, and an orbiting disk bearing seat. On the orbiting disk bearing seat, there are circumferentially three first bearing bores, and on the fixed bearing seat, there are circumferentially three second bearing bores. The front end of the locating crankshaft is rotatably connected inside the first bearing bore through the first bearing, and the rear end of the locating crankshaft is rotatably connected inside the second bearing bore through the second bearing. There is a through hole on the bottom face of the second bearing bore. The rear end of the locating crankshaft passes through the second bearing and is inserted inside the through hole. In addition, the end on which the locating crankshaft passes through the second bearing is screw connected with a locking nut. | 2017-10-26 |
20170306963 | SCROLL COMPRESSOR - A scroll compressor is provided that may include a casing configured to contain oil at a lower portion thereof; a drive motor provided at an inner space of the casing; a rotational shaft coupled to a rotor of the drive motor, and having an oil supply passage in order to guide the oil contained in the casing to an upper side; a frame provided below the drive motor; a fixed scroll provided below the frame, arid having a fixed wrap; and an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap to form a compression chamber by being engaged with the fixed wrap, and having a rotational shaft coupling portion to couple the rotational shaft thereto in a penetrating manner. One or more oil dimples may be formed at a peripheral end surface positioned between an inner circumferential portion and an outer circumferential portion of the rotational shaft coupling portion. With such a configuration, as oil may be smoothly supplied to an end surface of the orbiting wrap near the rotational shaft coupling portion, abrasion may be prevented. | 2017-10-26 |
20170306964 | SCROLL COMPRESSOR - A scroll compressor is provided that may include a casing that contains oil in a lower space thereof; a drive motor provided at a position spaced from an upper end of the casing by a predetermined gap, such that an upper space is formed in the casing; a rotational shaft coupled to a rotor of the drive motor, and having an oil supply passage to guide the oil contained in the casing to an upper side of the drive motor; a frame provided below the drive motor; a fixed scroll provided below the frame, and having a fixed wrap; an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap so as to form a compression chamber by being engaged with the fixed wrap, and a rotational shaft coupling portion to couple the rotational shaft to the orbiting scroll in a penetrating manner; and an oil collection unit including an oil separator provided at the upper space of the casing, and an oil guide having a first end that communicates with the oil separator and a second end that communicates with a lower space of the fixed scroll. | 2017-10-26 |
20170306965 | Cutting Assembly for a Chopper Pump - Embodiments of the invention provide a cutting assembly for a chopper pump. The cutting assembly includes a cutting insert having a cutting blade extending radially therefrom, and an impeller having a central hub, a plurality of vanes, and an insert surface. The insert surface defines an axial recess that is dimensioned to receive the cutting insert therein. The cutting assembly further includes a cutting plate having a plate hub with a cutting extension protruding radially inward therefrom. Rotation of the impeller rotates the cutting blade past the cutting extension. | 2017-10-26 |
20170306966 | SUBSEA PROCESS LUBRICATED WATER INJECTION PUMP - A subsea water injection pump includes components that are cooled and lubricated by the process fluid. The pump includes opposing stages of impellers in a “back-to-back” arrangement such that the axial forces of the impeller stages partially or nearly fully offset each other. In some cases, a combination of barrier fluid and process fluid is used for lubrication and cooling. | 2017-10-26 |
20170306967 | MONITORING DEVICE AND VACUUM PUMP - A vacuum pump includes; a rotor, a stator, a motor, a heating section heating the pump base portion, a base temperature detection section detecting a temperature of the pump base portion, a rotor temperature detection section detecting a temperature equivalent as a physical amount equivalent to a temperature of the rotor, and a heating control section to control heating of the pump base portion by the heating section such that a detection value of the rotor temperature detection section falls within a predetermined target value range. A monitoring device comprises: an estimation section configured to estimate, based on multiple temperatures detected over time by the base temperature detection section, maintenance timing at which the temperature of the pump base portion reaches equal to or lower than a predetermined temperature; and an output section configured to output maintenance information based on the estimated maintenance timing. | 2017-10-26 |
20170306968 | Turbomachine arrangement - A turbomachine arrangement includes a housing, a turbo-expander formed with an expander rotor, a turbo-compressor formed with a first compressor rotor, and a shaft that is rotatably mounted on the housing. The shaft connects the expander rotor to the compressor rotor. The first turbo-compressor can be driven exclusively by the turbo-expander. A second turbo-compressor having a second compressor rotor is disposed on the housing such that the second compressor rotor is connected to the first turbo-compressor in parallel or in series. The second compressor rotor is driven via a transmission accommodated in the housing and via a drive shaft connecting the transmission to the second compressor rotor. | 2017-10-26 |
20170306969 | FAN ARRAY FAN SECTION IN AIR-HANDLING SYSTEMS - A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency. The plurality of fan units may be arranged in a true array configuration, a spaced pattern array configuration, a checker board array configuration, rows slightly offset array configuration, columns slightly offset array configuration, or a staggered array configuration. | 2017-10-26 |
20170306970 | EXTRAPOLATION METHOD OF LOW ROTATIONAL SPEED CHARACTERISTIC OF COMPRESSOR - The present disclosure provides an extrapolation method of low rotational speed characteristics of a compressor, which is suitable for acquisition the low rotational speed characteristics of a gas turbine on the ground or an aircraft engine, the extrapolation method takes into account an application condition of a similarity principle and specialties of the low rotational speed operation condition of the compressor, and comprises modifying exponents of the similarity principle to obtain the optimal exponents by an optimization algorithm, and applying a coefficient fitting method for a variable operating condition calculation of the gas turbine to the extrapolation of low rotational speed characteristic of the compressor to obtain the low rotational speed characteristic. | 2017-10-26 |
20170306971 | IMPELLER, CENTRIFUGAL FLUID MACHINE, AND FLUID DEVICE - An impeller is provided with: a disk rotating about an axis; and a plurality of blades provided on the disk at intervals in a circumferential direction about the axis. Thicknesses of the blades gradually decrease from a disk side toward a tip side, and a decrease rate of the thicknesses gradually decreases from the disk side toward the tip side. | 2017-10-26 |