Class / Patent application number | Description | Number of patent applications / Date published |
123497000 | Electric fuel pump | 49 |
20080202476 | FUEL PUMP SPEED CONTROL SYSTEM - A fuel pump controller includes a detecting device for detecting environmental vibrational energy and converting the environmental vibrational energy into an electrical signal. A motor controller is coupled to a fuel pump motor wherein the electrical signal is used by the controller to command the fuel pump motor to operate at one of a plurality of speeds wherein the commanded speed is at least in part a function of the environmental vibrational energy. | 08-28-2008 |
20080216799 | Method for Operating a Fuel Pump - In a method for operating a fuel pump of a motor vehicle, the fuel pump is driven by an electric motor in such a way that the fuel pump is driven by an energized electric motor in a defined rotational direction in order to feed fuel in the direction of an internal combustion engine. Accordingly, if it is detected that the fuel pump is blocked, the rotational direction of the fuel pump is changed at least once for a specific time period. | 09-11-2008 |
20080230035 | Fluid pump control apparatus - A fuel supply system comprises an engine control unit (ECU), a fuel pump with a built-in pump motor which is PWM controlled based on a control signal from the ECU, a pump controller for controlling supply of electric power to the pump motor, and sensors for detecting an operating state of the engine. A control section of the pump controller controls to change a frequency to be lower as a duty ratio of a PWM control signal to operate a power transistor of an output circuit is higher and inversely to change the frequency to be higher as the duty ratio is lower. | 09-25-2008 |
20080245343 | Method For Operating a Fuel Pump - In a method for operating a fuel pump in order to guide fuel from the fuel container of an internal combustion engine, the electric energy, which is in the form of pulses, is periodically guided to the fuel pump and the duration of the pulses is controlled according to the fuel required by the internal combustion engine. The frequency of the pulses is controlled in such a manner that, in the event of low pump capacity of the fuel pump, the frequency is controlled to a higher level than in the even of a high pump capacity. | 10-09-2008 |
20080271714 | ELECTRIC FUEL PUMP - An electric fuel pump includes a pump unit, motor unit, fuel discharge unit, stator holder, magnet wire, connection terminal, first mold resin, driver board assembly, and second mold resin. The motor unit drives the pump unit. The fuel discharge unit includes a discharge port member and discharges fuel supplied from the pump unit through the motor unit. The stator holder is provided to the motor unit and includes a stator support which supports a stator of a motor and a partition which defines the motor unit and the fuel discharge unit. The partition includes a terminal insertion hole and a fuel passage. The magnet wire is wound around a core of the stator. The connection terminal is connected to the magnet wire. The first mold resin molds the core and a connecting portion where the magnet wire is connected to the connection terminal. The driver board assembly is stored in a space formed in the discharge port member and electrically connected to the connection terminal. The second mold resin molds the driver board assembly and a connecting portion where the driver board assembly is connected to the connection terminal. | 11-06-2008 |
20080276909 | Conveying Device Comprising a Fuel Pump - A conveying device ( | 11-13-2008 |
20080276910 | FUEL PRESSURE BOOST METHOD AND APPARATUS - An apparatus for providing pressurized fuel for an engine includes an engine starting apparatus including an electric motor operative to crank the engine and a fuel pump operatively coupled to the electric motor. | 11-13-2008 |
20080295808 | Fuel supply apparatus - A fuel pump unit includes a fuel pump which is driven by a motor, a secondary filter case placed to surround the fuel pump and contains a filter, a reserve cup which houses the fuel pump and the secondary filter case, and a pump controller which drivingly controls the fuel pump. A shielding material is provided in the reserve cup to shield electrical noise generated by the fuel pump. The shielding material is grounded. The pump controller includes a pump drive circuit which is provided with an electric filter. | 12-04-2008 |
20090101116 | FUEL PUMP - A fuel pump has a pump stage ( | 04-23-2009 |
20090107470 | Electronic fuel pump - A fuel pump for deployment in a fuel system for an internal combustion engine comprises a 3-phase brushless direct current motor, a sling vane impeller with blade-shaped sling vanes, sensorless electronic motor drive and an electronic controller. The controller is adapted to receive analog or pulse-width modulation inputs to control pump speed. | 04-30-2009 |
20090151702 | Fluid Transfer Device - A device for transferring fluid for use with diesel engines includes a manifold system having at least one inlet valve, at least one outlet valve, a plurality of conduits formed therein, and an electric pump. At least one check valve is disposed between an inlet valve and an outlet valve. | 06-18-2009 |
20090183715 | FUEL SUPPLY DEVICE - The present invention provides a fuel supply device that can suppress the excessive heating of a fuel supplied from a fuel pump into an internal combustion engine even if a control module is cooled. The fuel supply device ( | 07-23-2009 |
20090199823 | DIRECT METERING FUEL CONTROL WITH INTEGRAL ELECTRICAL METERING PUMP AND ACTUATOR SERVO PUMP - A fuel supply system includes a fuel metering pump and a servo-flow pump that are used to supply fuel to one or more fuel manifolds and one or more fluid-operated actuators, respectively. The fuel metering pump and the servo-flow pump are driven by the same electric motor(s). | 08-13-2009 |
20090211558 | HYBRID ELECTRICAL/MECHANICAL TURBINE ENGINE FUEL SUPPLY SYSTEM - A turbine engine fuel supply system includes a priority flow line, a plurality of secondary fuel loads, an electric fuel metering pump, and a mechanically-driven fuel pump. The priority flow line is used to supply fuel to one or more gas turbine engine fuel manifolds. The electric fuel metering pump has a fuel inlet and a fuel outlet, and is adapted to be selectively energized and, upon being energized, to draw fuel into its fuel inlet and discharge the fuel from its fuel outlet for supply to the priority flow line. The mechanically-driven fuel pump has a fuel inlet, and a fuel outlet that is in fluid communication with the electric fuel metering pump fuel inlet and the plurality of secondary fuel loads. As such, fuel may be supplied to the secondary fuel loads independent of the electric fuel metering pump, which advantageously reduces the electrical power consumption of the electric fuel metering pump. | 08-27-2009 |
20090283074 | FUEL SUPPLY APPARATUS - An ECU reduces a fuel flow rate discharged from an electric pump to the filter when a fuel temperature and a fuel pressure in the filter detected by a sensor portion drop. Since a mechanical pump continues to be driven without respect to the fuel quantity discharged from the electric pumps when the fuel flow rate discharged from the electric pump is decreased, a suction pressure is generated at an inlet of the filter. The fuel in a recirculation passage is introduced into the filter through a branch passage. As the result, relatively high temperature fuel is introduced into the filter to melt a solidified fuel causing a clogging of the filter. | 11-19-2009 |
20100006071 | Pump Unit - A pump unit for pumping fuel from a fuel reservoir to an internal combustion engine of a motor vehicle, including a fuel pump disposed in a swirl pot and has a housing made of metal, and a fuel filter, which is disposed downstream of the fuel pump. The housing of the fuel filter is connected to the housing of the fuel pump in an electrically conductive manner. | 01-14-2010 |
20100012096 | FUEL INJECTION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - The fuel injection device for an internal combustion engine comprises a feed pump which has an electric drive, by which feed pump fuel is fed from a fuel storage tank into a low-pressure region to the suction side of at least one high-pressure pump. The high-pressure pump pumps fuel into a high-pressure region in which at least one injector is provided to inject the fuel into the internal combustion engine. The fuel injection is controlled by an electric control device. Arranged in the low-pressure region is a pressure sensor which is connected to the control device. The electric drive of the feed pump is activated by the control device in order to set a feed quantity of the feed pump which is variable as a function of at least one operating parameter of the internal combustion engine and/or of the high-pressure pump. The drive of the feed pump is in particular activated by the control device in such a way that, at a high load of the internal combustion engine and/or at a high rotational speed and/or at a high fuel temperature, a greater fuel quantity is fed by the feed pump into the low-pressure region than at a low load and/or a low rotational speed and/or a low fuel temperature. | 01-21-2010 |
20100031930 | FUEL SYSTEM FOR SELECTIVELY PROVIDING FUEL TO AN ENGINE AND A REGENERATION SYSTEM - A fuel system for providing fuel to an engine and to a regeneration system associated with the engine, including a fuel source, and a pump associated with the fuel source, the pump operable in a first state to pump fuel from the fuel source to the engine, and the pump operable in a second state to pump fuel from the fuel source to the regeneration system, wherein the first state corresponds to a first rotational direction of the pump and the second state corresponds to a second rotational direction of the pump. In one embodiment, the pump is an electric fuel pump. | 02-11-2010 |
20100154751 | Fuel Delivery Device - In a fuel delivery device ( | 06-24-2010 |
20100154752 | Fuel delivery system having electric pump - A fuel delivery system is provided for a combustion engine having an exhaust treatment device. The fuel delivery system includes a fuel supply, an injector configured to pressurize fuel and inject the pressurized fuel into the combustion engine, and a transfer pump configured to direct fuel from the fuel supply to the injector. The fuel delivery system also includes an electric pump configured to selectively direct fuel from the fuel supply to the injector during a priming event, and to selectively direct fuel from the fuel supply to the exhaust treatment device. | 06-24-2010 |
20100218747 | Fuel Pump for Delivering Fuel from a Reservoir to an Internal Combusion Engine - A fuel pump for delivering fuel from a reservoir to an internal combustion engine. The pump includes a casing, at least one impeller arranged in the casing. The impeller including at least one ring of interspaced vanes. The pump further includes an electric motor that drives the impeller via a shaft and that is configured as an axial field motor and that has a rotor and a stator. The rotor of said electric motor has permanent magnets and the coil formers carrying windings that are opposite the permanent magnets are stationarily arranged in the stator at a distance to the rotor axis and at even angular distances. The coil formers are arranged in parallel to the shaft of the electric motor with respect to their longitudinal orientation. | 09-02-2010 |
20100229835 | NOVELTY IN ELECTRIC FUEL PUMPS FOR INTERNAL COMBUSTION ENGINES - Present invention relates to an electric fuel pump for an internal combustion engine in which a single-phase brushless dc motor is rotatably coupled with a roller vane or other pump mechanism so that any type of fuel or combination of fuels can be transferred from the inlet ( | 09-16-2010 |
20110011373 | FUEL SUPPLY DEVICE - An inexpensive fuel supply device having a high output is achieved using low-output fuel pumps. | 01-20-2011 |
20110120424 | Method for Operating A Fuel Pump In A Motor Vehicle and Fuel Pump - A method for operating a fuel pump in a motor vehicle and a fuel pump. A brushless direct current motor arranged in a housing of the fuel pump has a stator and a rotor on a shaft. When the rotor rotates at least one pump stage arranged in the housing is driven via the shaft. The variables of the direct current motor necessary for determining the commutation are fed to a processor in the engine controller of the motor vehicle. The processor generates the electrical signals for the commutation based on these variables according to the field-oriented closed-loop control. These electrical signals are fed to the brushless direct current motor for the commutation. | 05-26-2011 |
20110146627 | FUEL SUPPLY DEVICE - A fuel supply device includes a relief valve, a pressure regulator, and a controller. The controller controls a first pump to send fuel into an engine through a first passage, and controls a second pump to send fuel into a second passage to communicate with the first passage. The relief valve discharges fuel from the second passage when a fuel pressure of the second passage is higher than a relief pressure. The pressure regulator discharges fuel when a fuel pressure of fuel chamber is higher than a regulation pressure higher than the relief pressure in a state that a fuel pressure of backpressure chamber is equal to the relief pressure. | 06-23-2011 |
20110192381 | FUEL SUPPLY APPARATUS - A receiving portion of a heat releasing member made of metal holds a controller, which is installed to the receiving portion through an opening of the receiving portion. An embeddable portion of the heat releasing member is formed at least along a peripheral edge of the opening of the receiving portion and is embedded in a flange, which is made of resin and covers a hole of a fuel tank. A protective member made of resin may cover each connecting portion between a corresponding one of terminals of the controller and a corresponding one of conductive line members. A primer agent coating may be applied to the conductive line members. | 08-11-2011 |
20110239993 | DIESEL FEEDSIDE BOOST PUMP - A fuel system of a vehicle that delivers fuel to an engine includes a fuel tank, a main fuel pump that pumps fuel to the engine, and a fuel supply line through which fuel flows from the fuel tank to the main fuel pump. Moreover, the fuel system includes a boost pump assembly providing variable pumping of fuel from the fuel tank to the fuel supply line toward the engine. | 10-06-2011 |
20120000445 | Method and Control Apparatus for Controlling a High-Pressure Fuel Supply Pump - The present invention relates to a control apparatus | 01-05-2012 |
20120073545 | VARIABLE FLOW FUEL TRANSFER PUMP SYSTEM AND METHOD - A fuel supply system and method of controlling fuel flow through a supply system is provided including a variable flow, i.e. speed, electric fuel transfer pump and a control system adapted to variably control the transfer pump based on fuel demand of the engine. The system provides improved transient response by providing the transfer pump with a feed forward speed/flow command based on engine fueling demand determined based on engine operating conditions. The transfer pump is controlled based on fuel demand not necessarily achieved yet by the high pressure pump and injectors. Therefore, this system controls the EFTP substantially simultaneously with controlling the high pressure pump and injectors to optimize fuel flow through the entire system ensuring the minimum required fuel flow is passing through the second the fuel filtration system, hence maximizing steady state fuel filtration efficiency, and minimizing surge effects on filtration efficiency. | 03-29-2012 |
20120247430 | FUEL PUMP MODULE INCLUDING A RESERVOIR HAVING MULTIPLE ZONES - A fuel pump module includes a reservoir and a sender gauge. The reservoir includes an outer wall, an inner wall spaced radially inward from the outer wall, and through-hole sockets spaced around a perimeter of the reservoir to define N zones between the inner and outer walls, where N is an integer greater than one. The sender gauge is mounted to the reservoir in one of the N zones. | 10-04-2012 |
20120247431 | FUEL PUMP MODULE INCLUDING A RESERVOIR WITH MULITPLE WALLS - A fuel pump module including a reservoir and a sender gauge. The reservoir includes an outer wall, an inner wall spaced radially inward from the outer wall, a floor connecting the inner and outer walls, and N sets of supports fixed to the floor and disposed between the inner and outer walls and around the inner wall. The sender gauge is supported and retained by one of the N sets of supports, wherein N is an integer greater than one. | 10-04-2012 |
20120266849 | SYSTEM FOR FEEDING FUEL FROM A TANK TO AN INTERNAL COMBUSTION ENGINE | 10-25-2012 |
20130112173 | METHOD AND APPARATUS TO MONITOR AN ELECTRIC MOTOR IN A RETURNLESS FUEL SYSTEM - An electric motor is configured to provide mechanical power to a fuel pump. A method for monitoring the fuel pump includes estimating a pump speed and a nominal pump motor current in relation to a pump motor control signal and a fuel pressure. An armature resistance and a back-emf constant for the electric motor are determined corresponding to the estimated pump speed, a monitored pump motor current, and the pump motor control signal. A nominal armature resistance and a nominal back-emf constant for the electric motor are adjusted in relation to a pump motor temperature. A plurality of residuals are calculated based upon the adjusted nominal armature resistance, the adjusted nominal back-emf constant for the electric motor, the estimated armature resistance and the estimated back-emf constant for the electric motor. The residuals are compared with corresponding thresholds. A fault in the electric motor is detected based upon the comparisons of the residuals with the corresponding thresholds. | 05-09-2013 |
20130269659 | FUEL PUMP ASSEMBLY WITH GROUNDED PLASTIC COMPONENTS AND FUEL TANK ASSEMBLY THEREWITH AND METHOD OF CONTRUCTION THEREOF - A vehicle fuel pump assembly, method of construction thereof, and a fuel tank assembly is provided. The fuel pump assembly includes a non-conductive plastic reservoir and an electrically powered fuel pump disposed in the reservoir. The fuel pump is configured to receive fuel through an inlet and to dispense fuel through an outlet. A fuel filter assembly having a non-conductive plastic housing is disposed in the reservoir and a coating of conductive material is bonded to the housing. A conductive lead is configured in electrical communication with the coating and is further configured for attachment to an electrical ground. | 10-17-2013 |
20140053814 | DIESEL FUEL PUMP MODULE - A diesel fuel pump module for use within a diesel fuel tank includes a reservoir defining a fuel storage volume. A jet pump having an inlet is positioned within the reservoir and configured to pump fuel from the tank into the reservoir. The module further includes an electric pump having an inlet and an outlet, and an air separation chamber connecting the electric pump outlet to the inlet of the jet pump. | 02-27-2014 |
20140060496 | System and Method for Controlling LPG Pump and Fuel Supplying System of LPI Engine Using Thereof - A method of controlling a liquefied petroleum gas (LPG) fuel pump may include driving a motor of the LPG fuel pump with a voltage of a predetermined duty, measuring a driving speed of the motor, changing the predetermined duty of the motor so that the measured driving speed of the motor reaches a target speed when the measured driving speed of the motor may be not equal to the target speed, measuring pressure of an LPG bombe and pressure of an injector, and changing the target speed when a first difference between the measured pressure of the LPG bombe and the measured pressure of the injector may be not maintained as a first predetermined value. | 03-06-2014 |
20140116397 | FUEL SYSTEM CONVERSIONS FOR CARBURETOR TO ELECTRONIC FUEL INJECTION SYSTEMS, METHODS OF PRODUCTION THEREOF - An electronic fuel injection system for land vehicles, comprising: a fuel tank, at least one pump, a fuel sump, wherein the at least one pump is operatively coupled to and between the fuel tank and the sump, and an engine, wherein the engine is operatively coupled to the fuel sump. A fuel sump system for land vehicles, comprising: an inlet from a pump, wherein the pump is operatively connected to a fuel tank, a fuel pump system, a regulator operatively coupled to the fuel pump system, an outlet operatively coupled to an engine, and a float component, coupled to the inlet. An electronic fuel injection system for land vehicles, comprising: a fuel tank, at least one pump, a fuel sump, wherein the at least one pump is operatively coupled to and between the fuel tank and the sump, and an engine, wherein the engine is operatively coupled to the fuel sump and wherein the electronic fuel injection system does not require a return line from the engine to the fuel tank. | 05-01-2014 |
20140190455 | HYBRID DRIVE DEVICE - A hybrid drive having a hydraulic control device capable of hydraulically controlling a first clutch, a second clutch, and a continuously variable transmission using a hydraulic pressure generated by at least one of a mechanical oil pump and an electric oil pump. A control section is configured to execute a mechanical oil pump drive mode in which a command to start an internal combustion engine is provided to drive the mechanical oil pump via a first shaft using output rotation of the internal combustion engine during reverse travel in which reverse rotation is output from the rotary electric machine to rotate wheels in reverse via the second shaft, the second clutch, and the continuously variable transmission with the first clutch disengaged and with the second clutch engaged by providing a command to the hydraulic control device. | 07-10-2014 |
20150027417 | Filter Head for an Exchange or Housing Filter - A filter head for a pre-filtration filter for fuel has an electric pump received in a pump channel. A connecting channel connects the pump at a suction side with a clean side of the filter. An outlet channel connects the pump at a pressure side with a main filter for the pre-filtered fuel. The pump is alternatingly operated in at least two of the following operating modes: a feed or follow-up operation in which, before switching on or after switching off an ignition of the internal combustion engine, the pump supplies fuel to the outlet channel; a venting operation in which the pump pumps air out of the filter and/or a fuel line of the filter head; and a support operation in which, with switched-on ignition, the pump supplies fuel at a pressure suitable as input pressure for a high-pressure pump arranged downstream of the main filter. | 01-29-2015 |
20150040872 | FUEL INJECTION PUMP - The purpose of the present invention is to provide a fuel injection pump | 02-12-2015 |
20150377174 | FUEL SUPPLY APPARATUS FOR INTERNAL COMBUSTION ENGINE - A fuel supply apparatus for an internal combustion engine includes a fuel pump, a fuel pipe, a reduction valve, and an electronic control unit. The electronic control unit is configured to drive the fuel pump to rotate such that a required flow rate of the fuel is realized, while adjusting the fuel pressure in the fuel pipe to a target value, by driving the fuel pump to rotate. The electronic control unit is configured to operate the reduction valve to be opened when the operation state of the fuel pump is a first operation state. The first operation state is the operation state of the fuel pump where the frequency of the fuel pump has a value within a resonance area. | 12-31-2015 |
20160017850 | RETAINER WITH GROUNDING FEATURE FOR FUEL SYSTEM COMPONENT - In at least some implementations, a retainer for a fuel system component having an electrically conductive portion accessible from the exterior of the component includes a retaining feature and a grounding feature. The retaining feature is adapted to maintain the location of the fuel system component and the grounding feature electrically couples a ground wire to the electrically conductive portion of the fuel system component. The fuel system component is grounded through a path including the grounding feature and ground wire. | 01-21-2016 |
20160252032 | Method and Device for Operating a Fuel Pump | 09-01-2016 |
20160252038 | Device and method for reducing variants in fuel pump electronics | 09-01-2016 |
20180023516 | NATURAL GAS FUELED VEHICLE | 01-25-2018 |
123498000 | Piezoelectric drive | 4 |
20080202477 | Fuel Injection Valve - A fuel injection valve according to the invention serves as an injector for fuel injection systems of air-compressing, auto-ignition internal combustion engines. A piezoelectric actuator of the fuel injection valve has a plurality of ceramic layers and a plurality of electrode layers arranged between the ceramic layers. A first electrode connection extends through a cut-out of a transition piece and into an internal recess of the actuator. The first electrode connection is surrounded in the cut-out of the transition piece by a sealing means. In addition, the first electrode connection is electrically connected to a first part of the electrode layers. | 08-28-2008 |
20090260599 | Motion coupler for a piezoelectric actuator - The present disclosure is directed to a fuel injector. The fuel injector may include a casing substantially aligned along a central axis of the fuel injector. The fuel injector may also include a control valve configured to control a flow of fuel through the fuel injector. The fuel injector may also include a piezoelectric element disposed within the casing and associated with the control valve. The fuel injector may further include a motion coupler disposed between the control valve and the piezoelectric element the motion coupler configured to affect shock to reduce microscopic fractures within the piezoelectric element. | 10-22-2009 |
20100326405 | Multi-Layer Piezoelectric Element, and Injection Apparatus and Fuel Injection System that Employ the Same - To provide a multi-layer piezoelectric element that is improved to mitigate the decrease in the amount of displacement under such harsh operating conditions, the multi-layer piezoelectric element, the multi-layer piezoelectric element comprising: a stacked body comprising a plurality of piezoelectric material layers and a plurality of internal electrodes, the stacked body being formed by stacking the plurality of internal electrodes and the piezoelectric layers alternately on each other; and an external electrode formed on a side face of the stacked body, wherein the external electrode comprises a base portion and a first protrusion protruding from the base portion toward an outside. | 12-30-2010 |
20120042855 | ULTRA LOW POWER MARINE FUEL POSLISHING SYSTEM - A diesel engine fuel polishing system is provided that utilizes a piezoelectric pump to circulate fuel from a fuel tank and through a filter and then back to the fuel tank. The piezoelectric pump operates on ultra low power and can be utilized in continuous operation when the diesel engine is not in operation. The low power requirement allows the pump to be operated by a battery that is recharged by a solar energy panel. | 02-23-2012 |