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4771 results about "Fuel pump" patented technology
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A fuel pump is a frequently (but not always) essential component on a car or other internal combustion engined device. Many engines (older motorcycle engines in particular) do not require any fuel pump at all, requiring only gravity to feed fuel from the fuel tank or under high pressure to the fuel injection system. Often, carbureted engines use low pressure mechanical pumps that are mounted outside the fuel tank, whereas fuel injected engines often use electric fuel pumps that are mounted inside the fuel tank (and some fuel injected engines have two fuel pumps: one low pressure/high volume supply pump in the tank and one high pressure/low volume pump on or near the engine). Fuel pressure needs to be within certain specifications for the engine to run correctly. If the fuel pressure is too high, the engine will run rough and rich, not combusting all of the fuel being pumped making the engine inefficient and a pollutant. If the pressure is too low, the engine may run lean, misfire, or stall.
Aircraft with disengageable engine and auxiliary power unit components
InactiveUS20060260323A1Avoid damageSufficient torqueEngine fuctionsGas turbine plantsFlight vehicleGround testing
Several improvements to an aircraft turbine engine and Auxiliary Power Unit (APU) are disclosed, as well as methods of using these improvements in routine and emergency aircraft operations. The improvements comprise the addition of cockpit-controllable clutches that can be used to independently disconnect the engine's integrated drive generator (IDG), engine driven pump (EDP), fuel pump, and oil pump from the engine gearbox. These engine components may then be connected to air turbines by the use of additional clutches and then powered by the turbines. Similar arrangements are provided for the APU components. Cranking pads, attached to various engine and APU components, are disclosed to provide a means for externally powering the components for testing purposes and to assist with engine and APU start. Detailed methods are disclosed to use the new components for routine ground-testing and maintenance and for the enhancement of flight safety, minimization of engine component damage, and extension of engine-out flying range in the case of an emergency in-flight engine shutdown.
Owner:MOULEBHAR DJAMAL
Hybrid electric drive and control method therefor
InactiveUS6376927B1Increase fuel consumptionImprove drivabilityInternal combustion piston enginesGearing controlHysteresisEngineering
A fuel management control method for a hybrid electric vehicle drive having an internal combustion engine and an electric motor arranged in parallel such that both can propel the vehicle; the system including an electric motor driven fuel pump and a programmable microprocessor; and wherein the method further includes monitoring vehicle speed and sensing braking pressure and directing signals of both vehicle speed and braking to the microprocessor and processing such inputs in accordance with an aggressive fuel management program including shut-off of fuel flow to the gas engine in response to vehicle braking at vehicle speeds above a predetermined maximum hysteresis speed and maintaining the fuel shut off during vehicle coasting above a predetermined speed while controlling the electric motor to provide regenerative braking or vehicle start during such fuel shut off modes of operation.
Owner:SATURN CORPORATION
System and method for reducing the cost of efficient vehicles
A system and method are described for reducing the cost of efficient vehicles. For example, a computer-implemented system according to one embodiment of the invention comprises: a vehicle equipped with a memory for storing program code and a processor for processing the program code to perform a specified set of operations, the vehicle further comprising a data communication interface; a fuel pump of electrical charging station having a data communication interface, wherein the fuel pump of electrical charging station and the vehicle establish a digital data communication channel using the data communication interfaces as the vehicle is being refueled or charged; wherein the fuel pump of electrical charging station provides an amount of fuel or electricity to the vehicle and, after or during fueling or recharging, transmits an indication of the amount of fuel or electricity consumed by the vehicle to a third party server; wherein the third party server is maintained by a third party having a contractual relationship with an owner / operator of the vehicle in which the vehicle has been provided to the owner / operator at a reduced cost in exchange for an agreement by the owner / operator to provide the third party a supplemental payment based on the amount of fuel or electricity consumed by vehicle, wherein in response to receipt of the indication of the amount of fuel or electric consumed by the vehicle, the third party charges the owner / operator a supplement amount based on the amount of fuel or electricity used by the owner / operator.
Owner:PAUL SUNIL
Hybrid Pump Control for Multi Fuel Engine System
ActiveUS20150226140A1High energyElectrical controlInternal combustion piston enginesHydraulic pumpElectro hydraulic
In an engine system of a machine having a multi fuel engine system, an energy accumulator is provide to accumulate and store energy when the engine system is in a low engine power usage or low engine load state, and to discharge energy from the energy accumulator when the engine system is in a high engine usage or high engine load state. The energy accumulator may be implemented, for example, in the form of a gaseous fuel accumulator that delivers gaseous fuel to the engine, a hydraulic fuel accumulator that provides pressurized fluid to power a fuel pump, or a battery pack that powers an electric hydraulic pump.
Owner:CATERPILLAR INC
Vehicle fuel management system
InactiveUS6877488B2Affordable controlElectrical controlNon-fuel substance addition to fuelActuatorFuel vapor
An integrated fuel management system and method for controlling the fuel storage and delivery in a vehicle. The fuel management system includes a fuel storage tank for storing fuel in a vehicle, a vapor collection canister located within the fuel storage tank, a vent actuator coupled to the vapor collection canister for venting gas from the canister during a vent operation, and a purge actuator coupled to the canister for purging fuel vapor from the canister during a purge operation. A variable speed fuel pump is disposed within the fuel storage tank for delivering fuel to a fuel delivery line for an engine. The fuel management system has a controller provided in a module disposed in communication with the fuel for controlling the amount of fuel pumped with the variable speed fuel pump to deliver fuel to the fuel delivery line and further control the purge and vent actuators.
Owner:UUSI
Aircraft with disengageable engine and auxiliary power unit components
InactiveUS7805947B2Performed easily and efficientlyIncrease speedEngine fuctionsGas turbine plantsAuxiliary power unitGround testing
Several improvements to an aircraft turbine engine and Auxiliary Power Unit (APU) are disclosed, as well as methods of using these improvements in routine and emergency aircraft operations. The improvements comprise the addition of cockpit-controllable clutches that can be used to independently disconnect the engine's integrated drive generator (IDG), engine driven pump (EDP), fuel pump, and oil pump from the engine gearbox. These engine components may then be connected to air turbines by the use of additional clutches and then powered by the turbines. Similar arrangements are provided for the APU components. Cranking pads, attached to various engine and APU components, are disclosed to provide a means for externally powering the components for testing purposes and to assist with engine and APU start. Detailed methods are disclosed to use the new components for routine ground-testing and maintenance and for the enhancement of flight safety, minimization of engine component damage, and extension of engine-out flying range in the case of an emergency in-flight engine shutdown.
Owner:MOULEBHAR DJAMAL
Fluid Pressure Pulsation Damper Mechanism and High-Pressure Fuel Pump Equipped with Fluid Pressure Pulsation Damper Mechanism
ActiveUS20080289713A1Necessary stiffnessIncrease fluid pressurePipe elementsFuel injecting pumpsHermetic sealEngineering
A fluid pressure pulsation damper mechanism comprising: a metal damper having two metal diaphragms joined together with a hermetic seal for forming a sealed spacing filled with a gas between the two metal diaphragms, an edge part at which are overlapped along outer peripheries thereof; a main body having a damper housing in which the metal damper is accommodated; and a cover attached to the main body to cover the damper housing and isolate the damper housing from an outside air, the metal damper being held between the cover and the main body; wherein the cover is further comprising: a metal plate for making the cover, a peripheral edge of the cover being joined to the main body, a plurality of inner convex curved parts extending toward the main body and a plurality of outer convex curved parts extending in a direction away from the main body, and a plurality of the inner convex curved parts and a plurality of the outer convex parts being disposed alternately inside the peripheral edge of the cover at which the cover is joined to the main body; wherein the cover is attached to the main body, ends of the plurality of inner convex curved parts touch one side of the edge part of the metal damper, which are outwardly formed in radial directions of a part including the sealed spacing in the metal damper; and the metal damper is held between the cover and a metal damper holding part of a holding member placed on the main body.
Owner:HITACHI LTD
Fuel supply system of an internal combustion engine
InactiveUS6889656B1Reduce startup timeImprove delivery capabilitiesElectrical controlLighting support devicesExternal combustion engineInternal combustion engine
In fuel supply systems with two fuel pumps connected in series and fuel valves that inject directly into the combustion chamber, there have been occasional problems. The proposal is made that in order to eliminate these problems, the first fuel pump operates with increased delivery capacity, particularly during the startup process and in the event of high fuel temperature. The fuel supply system is provided for an internal combustion engine of a vehicle.
Owner:ROBERT BOSCH GMBH
Common rail fuel pump with combined discharge and overpressure relief valves
ActiveUS20110126804A1Reduce system costIncrease flexibilityCheck valvesEqualizing valvesCommon railPump chamber
A high pressure piston fuel pump having a discharge check valve between the pumping chamber and a pressurized fuel reservoir and a pressure relief valve between the fuel reservoir and a passageway in the housing, wherein the discharge check valve and the pressure relief valve are contained within a single fitting assembly affixed at the pump housing. A first end flow passage is in fluid communication with the pumping chamber and provides an inlet to the discharge check valve and an outlet from the pressure relief valve. A second end flow passage is in fluid communication with the fuel reservoir and provides an outlet for the discharge check valve and an inlet for the pressure relief valve. Advantages include the ability to pre-test the outlet check and pressure relief prior to assembly into the pump housing, and improved flexibility of the outlet fitting location.
Owner:STANDYNE INC
Mechanical tappet in particular for a fuel pump of an internal combustion engine
InactiveUS7793583B2High potential lightweight constructionSave on high costsValve arrangementsEngine sealsInternal combustion engineTappet
A mechanical tappet (101, 201, 301, 401, 501, 601, 701, 801, 901, 1001) is provided, in particular for actuating the lifting of a pump piston (39) of a fuel pump of an internal combustion engine, with a sleeve-shaped tappet housing (102, 202, 302, 402, 502, 602, 702, 902, 1002) constructed as a shaped sheet-metal part and with a driving roller (6) supported so that it can rotate. Here, a bolt (4) supports the driving roller so that it is centered, and end sections (7) of the bolt projecting from the driving roller are supported in bolt eyes (8) of the tappet housing.
Owner:SCHAEFFLER TECH AG & CO KG
Gaseous fuel burner
ActiveUS7934926B2Address is challengeEliminate needFuel supply regulationAir supply regulationAir velocityAutomatic control
Owner:NEW POWER CONCEPTS
Method for operating a fuel supply system for an internal combustion engine in a motor vehicle
InactiveUS20050005912A1Reliable diagnosisCost-effectiveElectrical controlEngine testingInternal combustion engineMotorized vehicle
A method for operating a fuel-supply system for an internal combustion engine of a motor vehicle is provided, the fuel-supply system having a fuel-storage tank, a fuel pump and a pressure sensor, the fuel pump supplying fuel from the fuel-storage tank to a pressure region, the pressure sensor being arranged in the pressure region, and the pressure sensor generating a signal representing the pressure in the pressure region.
Owner:ROBERT BOSCH GMBH
Method and apparatus for actively controlling fuel flow to a mixer assembly of a gas turbine engine combustor
ActiveUS20070271927A1Continuous combustion chamberTurbine/propulsion engine ignitionCombustorStream flow
An apparatus for actively controlling fuel flow from a fuel pump to a mixer assembly of a gas turbine engine combustor, where the mixer assembly includes a pilot mixer and a main mixer. The pilot mixer further includes an annular pilot housing having a hollow interior, a primary fuel injector mounted in the pilot housing and adapted for dispensing droplets of fuel to the hollow interior of the pilot housing, a plurality of axial swirlers positioned upstream from the primary fuel injector. The fuel flow control apparatus further includes: at least one sensor for detecting dynamic pressure in the combustor; a fuel nozzle; and, a system for controlling fuel flow supplied by the fuel nozzle through the valves. The fuel nozzle includes: a feed strip with a plurality of circuits for providing fuel to the pilot mixer and the main mixer; and, a plurality of valves associated with the fuel nozzle and in flow communication with the feed strip thereof. The control system activates the valves in accordance with signals received from the pressure sensor.
Owner:GENERAL ELECTRIC CO
Electrostatic charge removing apparatus
An electrostatic charge removing apparatus in a fuel filter is capable of reliably removing electrostatic charge generated in a fuel filter and of reducing cost and weight of the fuel filter by escaping or discharging the electrostatic charge from parts of the fuel filter other than a case of the fuel filter. The fuel filter includes a filter portion that is connected to an outlet of a fuel pump disposed in a fuel tank and is clamped by end plates, a case housing the filter portion therein, wherein the end plates are formed of a conductive material, and a projection that penetrates a cap is formed on one end plate and is grounded.
Owner:KYOSAN DENKI KABUSHIKI KAISHA +1
Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamber
ActiveUS7406946B1Dampen fuel pressure pulsationDampen fuel pressure fluctuationNoise reducing fuel injectionLow-pressure fuel injectionCombustion chamberEngineering
A method and apparatus for attenuating fuel pump noise in a direct injection internal combustion engine. In one proposal, the direct injection fuel nozzle is suspended from a fuel rail in a fashion that avoids direct metal-to-metal contact between the injector and the engine block. The direct injection nozzle may also be connected to the fuel rail by a pair of spaced-apart seals which equalize the longitudinal pressure on the nozzle during operation. Enlarged diameter fuel reservoirs and / or a restricted orifice may be provided fluidly in series between the fuel pump and the direct injection nozzle in order to attenuate noise resulting from fuel pump pulsation.
Owner:HITACHI LTD
Airplane fuel supply system and airplane wing pipeline assembly method
An airplane fuel supply system includes a wing fuel tank that is formed from a wing tip fuel tank having a wing tip fuel pump; a central fuel tank having a central fuel pump; and a wing root fuel tank having a wing root fuel pump. Fuel movement from the wing tip fuel tank to the central fuel tank is allowed by a flapper valve, and fuel movement from the central fuel tank to the wing root fuel tank is allowed by another flapper valve. When the fuel delivery volume of the wing tip fuel pump is represented by Vt, the fuel delivery volume of the central fuel pump is represented by Vc, the fuel delivery volume of the wing root fuel pump is represented by Vr, and the fuel delivery volume from a collector tank to the engine is represented by Ve, the fuel delivery volumes Vt, Vc, Vr, and Ve are set so as to satisfy the relationships Vr>Ve, Vt+Vc>Ve, and Vc<Ve. This can minimize the size of the fuel pumps for supplying fuel from the airplane wing fuel tank to the engine.
Owner:AMERICAN HONDA MOTOR COMPANY
Gaseous fuel burner
ActiveUS20050250062A1Address is challengeEliminate needFuel supply regulationAir supply regulationAir velocityAutomatic control
An ejector, such as a venturi, facilitates the delivery of gaseous fuel to the combustion chamber of a burner. A blower forces air through the ejector, and the air flow produces a suction that draws fuel from a fuel inlet to produce a fuel-air mixture. The amount of fuel drawn from the fuel inlet is a function of the air flow such that a substantially constant fuel-air ratio is obtained over a range of air flow rates and temperatures without the need for a separate high-pressure fuel pump. The fuel-air mixture may be provided to a combustion chamber for combustion. Air from the blower may be pre-heated prior to entering the ejector, for example, using a heat exchanger that recovers some of the heat from the combusted fuel-air mixture. Air flow through the ejector may be conditioned, for example, by a swirler, to produce a tangential air flow that can increase fuel flow by increasing air velocity across the fuel inlet and / or produce a swirl-stabilized flame in the combustion chamber. The combusted fuel-air mixture may be provided to a thermal load, such as an external combustion engine. Blower speed may be controlled manually or automatically to control power output. Fuel flow to the ejector can be controlled manually or automatically to control fuel-air ratio. The burner can be configured to operate with multiple fuel types, for example, using a fuel selector with fixed or variable restrictors.
Owner:NEW POWER CONCEPTS
Electric-controlled petrol engine work system
InactiveCN101363380ARich control functionsGood control function integration performanceElectrical controlMachines/enginesIdle speed controlIgnition coil
The invention provides a work system of an electronically controlled gasoline engine, comprising an air intake system, a fuel oil supply system, an ignition system as well as an electronic control system; the electronic control system consists of a sensor section, an electronic control unit ECU and an actuator section, wherein, the sensor section includes a throttle position sensor, an intake pressure and temperature sensor and an intake temperature sensor which are arranged on an intake pipe of an intake system, a camshaft position sensor, a coolant temperature sensor and a crankshaft position sensor which are arranged on the engine, a front oxygen sensor arranged in front of a three-way catalyst converter on an exhaust pipe of the engine, and the components of the sensor section are all connected with the ECU, and the actuator section consists of an electric fuel pump, an oil sprayer, an idle speed regulating valve and an ignition coil; the components of the actuator section are all connected with the ECU, and the ECU includes a fuel injection control program, an ignition control program and an idle speed control program; the system adopts reasonable control strategy and has comprehensive control function, good integrated performance of control function and fine system portability.
Owner:张和君 +1
Damper mechanism and high pressure fuel pump
ActiveUS7124738B2Increase in sizeReduce pressure pulsationFuel injecting pumpsFuel injection with sensorsEngineeringHigh pressure
Owner:HITACHI ASTEMO LTD
Aerial refueling system
An aircraft aerial refueling system includes a fuel tank positioned in at least an aircraft wing to store fuel. At least two fuel pumps operate to transfer the fuel from the tank to a remotely located refueling connection. At least one electrically controlled valve provides each of an open position permitting fuel flow and a closed position isolating fuel flow between the tank and the refueling connection. A computer system automatically varies operation of any quantity of the fuel pumps and controls the electrically controlled valve between the open and closed positions during fuel transfer to the refueling connection. The system also includes double wall fuel pipe manifolds in manned spaces of the aircraft.
Owner:THE BOEING CO
High-pressure fuel pump with a pressure relief valve
ActiveUS20050205065A1Reduce in quantityLow costEqualizing valvesSafety valvesHigh pressureRelief valve
A high-pressure fuel pump with a pressure relief valve which has improved hydraulic properties and a reduced number of high-pressure sealing points.
Owner:ROBERT BOSCH GMBH
Fuel delivery system for a combustion engine
InactiveUS7069913B1Increase fuel consumptionEconomical and robust fuel deliveryMachines/enginesLiquid fuel feedersCombustionFuel tank
A fuel delivery system with at least one fuel tank and at least two fuel chambers has a fuel transfer assembly preferably integrated into an in-tank fuel pump module for controlling fuel levels between the at least two fuel chambers. The fuel transfer assembly has a transfer jet which receives pressurized fuel from a fuel pump of the module and at least two control valves for dictating the source of low pressure fuel flowing into the transfer jet and discharged therefrom preferably into a fuel reservoir of the module. Preferably, one control valve is located in each fuel chamber. The control valve opens upon a pre-established high fuel level and closes upon low fuel level. The fuel chamber containing the open control valve is generally the source of fuel for the fuel pump module.
Owner:TI GRP AUTOMOTIVE SYST LLC
Smart fuel control system
A fuel control system uses a fuel pump powered by a variable speed pump motor controlled by a closed loop electronic feedback system that tracks motor speed and corrects fuel pump motor speed so that the fuel pump delivers flow according to a desired flow schedule based on the pressure feedback from the manifold.
Owner:HAMILTON SUNDSTRAND CORP
Aerial refueling system
An aircraft aerial refueling system includes a fuel tank positioned in at least an aircraft wing to store fuel. At least two fuel pumps operate to transfer the fuel from the tank to a remotely located refueling connection. At least one electrically controlled valve provides each of an open position permitting fuel flow and a closed position isolating fuel flow between the tank and the refueling connection. A computer system automatically varies operation of any quantity of the fuel pumps and controls the electrically controlled valve between the open and closed positions during fuel transfer to the refueling connection. double wall fuel pipe manifolds in manned spaces of the aircraft.
Owner:THE BOEING CO
Automotive Fuel System Leak Testing
ActiveUS20110139130A1Reduce materialReduce installation costsAnalogue computers for vehiclesDetection of fluid at leakage pointFuel tankAutomotive fuel
Systems and methods for performing leak testing on fuel system components in hybrid vehicles during engine-off operating conditions are disclosed. For example, a fuel tank may include a pressure accumulator which may be filled with fuel via a fuel pump in order to generate a vacuum which may be used to diagnose leaks in the fuel system.
Owner:FORD GLOBAL TECH LLC
Fuel tank assembly
InactiveUS6907865B1Reduce connectionsExtended service lifeMachines/enginesLiquid fuel feedersLevel sensorFuel tank
A cosmetically attractive fuel tank assembly preferably for a motorcycle application has a fuel pump subassembly inserted into the fuel chamber of the tank through bottom access hole thus preserving the overall appearance of the tank itself. The flange of the fuel pump subassembly covers the bottom access hole and sealably months to a bottom wall of the fuel tank. Various fuel pump subassembly components, such as a fuel pressure regulator, an outlet fuel filter, an electrical connector and a fuel outlet mount directly to the flange along with a tripod like vibration absorbing bracket which supports the fuel pump and preferably a fuel level sensor. The bracket is flexible and resiliently contacts an internal surface of a bottom wall of the fuel tank via a resilient pad, and is threadably engaged to the flange and spaced therefrom by a vibration damping member.
Owner:WALBRO ENGINE MANAGEMENT
Fuel supply apparatus
InactiveUS20060102149A1Improve reliabilityInhibit deteriorationElectrical controlLow pressure fuel injectionFuel efficiencyFuel tank
An electrically driven type low-pressure fuel pump whose flow rate can be set draws fuel from a fuel tank and discharges it at a prescribed pressure commonly to a low-pressure fuel supply system including intake manifold injectors and a low-pressure delivery pipe and to a high-pressure fuel supply system including in-cylinder injectors, a high-pressure delivery pipe and a high-pressure fuel pump. The discharge flow rate of the low-pressure fuel pump is set based on required supply quantities to the low-pressure fuel supply system and to the high-pressure fuel supply system obtained according to the engine operation conditions. The discharge quantity of the fuel pump in the internal combustion engine can be set as appropriate, and thus, deterioration in fuel efficiency due to excessive flow rate setting and operation failure due to insufficient fuel supply can be prevented, whereby reliability is improved.
Owner:TOYOTA JIDOSHA KK
Vehicle fuel pulse damper
InactiveUS6901964B2Operating means/releasing devices for valvesPipe elementsEngineeringShock absorber
A fuel pressure pulse damper includes metallic damper body defining a chamber in which a flexible diaphragm is received in a manner to dampen fuel pressure pulses between a fuel pump and fuel injectors of a vehicle fuel system. The damper body includes a barbed fitting to receive fuel form the fuel pump and quick connect fitting for connection to a fuel rail for supplying pressurized fuel to fuel injectors of the vehicle engine.
Owner:EATON INTELLIGENT POWER LIMITED
Method of detecting and compensating for injector variability with a direct injection system
ActiveUS7717088B2Improve pressure resistanceReduce temperature sensitivityElectrical controlInternal combustion piston enginesPressure decreaseEngineering
A method for controlling fuel injection of a direct injection fuel system, the fuel system having a fuel pump, the method comprising: variably operating the fuel pump to maintain a fuel pressure at a selected pressure, temporarily increasing pump operation to increase pressure sufficiently above said selected pressure and then reducing pump operation; during at least a fuel injection subsequent to the reduction in pump operation, correlating pressure decrease to injector operation, and adjusting fuel injection operation based on the correlation.
Owner:FORD GLOBAL TECH LLC
Acceleration sensor and engine control for motorcycle
InactiveUS20020039951A1Anti-theft cycle devicesPedestrian/occupant safety arrangementAcceleration UnitAlert system
A motorcycle has an engine and other components that are controlled based upon output from an acceleration sensor. The motorcycle also has an alarm system that uses the same acceleration sensor to detect vibrations indicative of a potential theft of the vehicle. Various routines of controlling a fuel pump and operation of the engine are disclosed based upon the sensed operating characteristics of the motorcycle.
Owner:YAMAHA MOTOR CO LTD
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