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| Number | Title | Issue Date |
| 8141543 | Arrangement structure of vehicle-use fuel pump A vehicle has an engine and a fuel tank, which is located above the engine, mounted on a vehicle-body frame. A fuel pump, which supplies fuel is spaced-apart from the fuel tank and is located below the fuel tank and in front of the engine. Further, a center of the f... | 03/27/2012 |
| 8082904 | Fuel pump timing to reduce noise One embodiment is a fuel system for an internal combustion engine including a fuel pump having a fuel pump gear operable to drive the fuel pump to pressurize fuel. The fuel pump gear is offset relative to engine top dead center by a predetermined angle to reduce a s... | 12/27/2011 |
| 7975674 | Fuel pump and a method for controlling a fuel pump A fuel pump and a method for controlling a fuel pump. At least two pumps run at a mutual phase displacement such that they are able to receive fuel during different periods of time. A control unit causes a valve, which is only settable in an open position and a clos... | 07/12/2011 |
| 7926468 | Cold start device for fuel injection pump A fuel injection pump provided with a diesel engine having a starter started up by a key switch. The fuel injection pump comprises a cold start device having a sparking actuator, the starter and the sparking actuator. The fuel injection pump includes an activator th... | 04/19/2011 |
| 7775192 | Radial piston pump for fuel injection system having improved high-pressure resistance A radial piston pump has a pump housing containing pump elements and whose high-pressure conduits extending in the pump housing are embodied so as to significantly increase the permissible operating pressures. ... | 08/17/2010 |
| 7775193 | High-pressure pump, in particular for a fuel injection system of an internal combustion engine A high-pressure pump having a housing containing at least one pump element that has a pump piston driven by a drive shaft; the piston is guided so that it can slide in a cylinder bore of a housing part and delimits a pumping chamber therein. A support element suppor... | 08/17/2010 |
| 7743749 | Fuel pump drive system A fuel pump drive system is provided. A system for an engine driven by an engine crankshaft may include a first variable cam device including a first hydraulic actuator, and a second variable cam device including a second hydraulic actuator. The system may further i... | 06/29/2010 |
| 7735476 | Virtual fuel sensor for dual fuel tank applications A method comprises detecting a status of a transfer pump for transferring fuel between a first fuel source and a second fuel source; receiving a fuel trim value and a vehicle operating parameter; and calculating a fuel composition of one of the first fuel source and... | 06/15/2010 |
| 7661413 | Fuel supply pump and tappet structure body Disclosed is a fuel supply pump including a tappet structure body having a roller that contacts a cam and a tappet body disposed with a roller housing portion in which the roller is housed, with a pressure adjusting member for dispersing load force being interposed ... | 02/16/2010 |
| 7603987 | Injection pump for a piston engine A fuel injection pump for a piston engine, the pump comprising a cylinder element having a pressure plenum provided with an outlet chamber for removing pressurized fuel from the pressure plenum, a piston arranged to reciprocate inside the pressure plenum, an inlet c... | 10/20/2009 |
| 7591249 | Actuation structure for internal fuel cell metering valve and associated combustion tool In a combustion-powered fastener driving tool employing a fuel cell having an internal fuel metering valve with an axially reciprocating delivery stem, an actuator is provided for causing the dispensing of a desired dose of fuel from the fuel cell prior to each comb... | 09/22/2009 |
| 7536997 | Two-point control of a high-pressure pump for direct-injecting gasoline engines In a method for operating an internal combustion engine (10) equipped with a piston pump as a high-pressure pump (18), which is driven by a drive shaft (28) of the engine (10), in which the high-pressure pump (18) delivers fuel fro... | 05/26/2009 |
| 7487760 | Fuel supply apparatus for internal combustion engine A fuel supply apparatus for an internal combustion engine is disclosed. The fuel supply apparatus includes a fuel pump driven by the engine, a pressure accumulating device for retaining the fuel pressurized by the fuel pump, a relief device which opens when a fuel p... | 02/10/2009 |
| 7415973 | Fuel injection pump equipped with rotary deflector A fuel injection pump equipped with a rotary deflector having an increased lifetime and reduced maintenance cost required to replace the deflector when it is wasted due to cavitation erosion. The deflector comprises a stationary holder and a tip member which is supp... | 08/26/2008 |
| 7415972 | Fuel injection apparatus for engines A fuel injection apparatus having a plurality of high pressure fuel injection pumps for supplying fuel to a common rail, of which amounts of fuel discharge can be controlled by a fuel supply amount adjusting device of simple and reliable construction. The fuel suppl... | 08/26/2008 |
| 7412971 | Selectively detachable helix ring for a fuel injector Disclosed is a fuel injection mechanism for regulating the volume of fuel injected into a cylinder comprising a selectively detachable helix ring configured to be removably affixed to an outside diameter of a plunger. The selectively detachable helix ring includes a... | 08/19/2008 |
| 7383822 | Fuel pump module for electronic returnless fuel system A fuel pump module has a fuel pump with an outlet located within a fuel reservoir, a fuel filter casing within which a fuel filter receives fuel from the fuel pump fuel outlet. A fuel discharge housing attaches to the fuel filter casing such that fuel passing from t... | 06/10/2008 |
| 7347186 | High-pressure pump for a fuel, with sump in communication with the fuel The pump (7) is provided with a body (16) having a compartment (17), and with at least one pumping element (13) that moves in a cylinder (12) in communication with the compartment (17), to raise the pressure of the fuel. The... | 03/25/2008 |
| 7341047 | Vehicle fuel tank assembly A vehicle fuel tank assembly includes a fuel tank having a fuel pump receiving opening, a fuel pump, a mounting ring, at least one attachment member (a clip) and a fuel pump cover. The fuel pump is disposed in the fuel pump receiving opening such that a portion of t... | 03/11/2008 |
| 7334515 | Roller bearing and pump including same A roller bearing including a plurality of rollers which are provided between an outer circumferential surface of an inner member and an inner circumferential surface of an outer member; and a substantially cylindrical roller holder which has a plurality of pockets h... | 02/26/2008 |
| 7325536 | High-pressure fuel pump control device for engine A high-pressure fuel pump control device is capable of reducing current consumption, increasing pump durability, and promoting a rise of fuel pressure from startup. The high-pressure fuel pump control device comprises a fuel injector valve for directly injecting fue... | 02/05/2008 |
| 7318422 | Fluid pump assembly A fluid pump includes an electric motor with a casing and a drive shaft extending from the casing, a pumping element coupled to the drive shaft for rotation with the shaft to take in fluid and discharge it under pressure. The fuel pump casing may be sealed and a hou... | 01/15/2008 |
| 7316221 | Valve system of V-type engine A valve system of a V-type engine in which a camshaft provided in each bank is formed with valve cams that open and close engine valves and a pump cam for driving a fuel pump, the phase of the pump cam relative to the valve cams is set such that the crank angle at w... | 01/08/2008 |
| 7314040 | Fuel supply apparatus In a fuel supply apparatus, a circuit module has a housing, a driving circuit contained in the housing, an electric connector. The circuit module is mounted to a cover member that is disposed to close an opening of a fuel tank. A fuel pump is supported by the cover ... | 01/01/2008 |
| 7314351 | Fuel supply pump capable of lubricating cam bearings A fuel supply pump uses a low-pressure supply pump for pumping up a low-pressure fuel, and a pump element having a plunger for increasing pressure of the low-pressure fuel supplied by the low-pressure supply pump. Part of the low-pressure fuel discharged from the lo... | 01/01/2008 |
| 7311085 | Electromagnetic controlled fuel injection apparatus An electromagnetic controlled fuel injection apparatus is provided in which a housing assembly with two sets each including a solenoid device and an open/close valve device being fixed directly to a housing is fixed to a plunger unit to decrease the length of the fu... | 12/25/2007 |
| 7311087 | Fuel pump with a guided tappet assembly and methods for guiding and assembly A fuel pump for an internal combustion engine including a fuel pump housing, a cylindrical bore having a central axis and being defined by a bore wall surface, a receiving hole formed in the housing, and a tappet assembly received in the cylinder bore. The tappet as... | 12/25/2007 |
| 7299790 | Control device of high-pressure fuel pump of internal combustion engine A control device of a high-pressure fuel pump of an internal combustion engine capable of improving stability in controlling the drive of the high-pressure fuel pump by limiting the end timing of a drive signal of the high-pressure fuel pump and driving an actuator ... | 11/27/2007 |
| 7299791 | Pump spacer/dampening structure for fuel delivery system A fuel delivery system includes a filter 19 for filtering fuel. The filter 19 has an internal wall 20 defining a pocket 14. A fuel pump 12 is provided in the pocket 14 for pumping filtered fuel to an engine. A pump spacer st... | 11/27/2007 |
| 7290534 | Injector leakage limitation A fuel supply system (100) for a combustion engine (180) has at least one fuel injector (110), a fuel pump (130) and a conduit (150) connecting the fuel pump (130) with the fuel injector (110). An air intake valve ( | 11/06/2007 |
| 7287516 | Pump control system A pump for a fuel system is disclosed. The pump has a housing defining at least one pumping chamber, and a plunger. The plunger is movable to draw a fluid into and displace the fluid from the at least one pumping chamber. The pump also has a metering valve and a con... | 10/30/2007 |
| 7270114 | Fuel injection system for internal combustion engines A fuel injection system for internal combustion engines having a plurality of fuel injectors, in which the fuel injectors each have one high-pressure connection and one low-pressure connection, and the low-pressure connections discharge into at least one manifold li... | 09/18/2007 |
| 7267326 | Automatic priming system An automatic priming system for internal combustion engines, which is operable to prime the carburetor of the engine at engine cranking speeds, and is automatically disabled after the engine starts. The automatic priming system is driven by pressure fluctuations wit... | 09/11/2007 |
| 7246602 | Fuel supplying apparatus and fuel injecting apparatus of internal combustion engine A fuel supplying apparatus of an internal combustion engine includes a first fuel supply system, a second fuel supply system, and a pulsation propagation suppressing unit. The first fuel supply system pressurizes a fuel by a low-pressure pump, and supplies the fuel ... | 07/24/2007 |
| 7246607 | Three position fuel line check valve for relief of diurnal pressure Prior art fuel line check valves remain closed after engine off and cool down. Diurnal heating and the resultant pressure increase in the fuel line causes fuel vapor emissions through small openings in the fuel line (e.g., at the injector tips). The invention provid... | 07/24/2007 |
| 7240668 | Fuel leak detection apparatus and method Apparatus and method for detecting a fuel leak from a component includes providing a fuel leak enclosure about the component being monitored. ... | 07/10/2007 |
| 7228845 | Fuel injection apparatus for internal combustion engine A fuel injection apparatus has an accumulator, a booster, a nozzle, a hydraulic circuit, a hydraulic pressure valve and a control valve. At least one of a transmission path, which is connected to the hydraulic circuit, and the hydraulic piston is configured to gener... | 06/12/2007 |
| 7225794 | Common rail fuel injection system Immediately before fuel pressure is increased by a pressure-increase mechanism, a pressure-increase control valve of each cylinder is opened in timing that does not overlap the timing of opening of an injection control valve, and the period of time for which the pre... | 06/05/2007 |
| 7219655 | Fuel injection system including two common rails for injecting fuel at two independently controlled pressures Engineers have come to learn that a fuel injection system with a variety of capabilities to produce a variety of injection strategies can better perform and reduce emissions at all engine operation conditions than a fuel injection system limited in its control over ... | 05/22/2007 |
| 7216633 | Transfer jet pump prime reservoir with integrated anti-siphon valve feature A movable fuel valve lies within a housing at an end of a housing fuel passage. A fuel tube has a nozzle end inserted within a first end of the housing fuel passage while the movable valve element is situated at a second end of the housing fuel passage and controls ... | 05/15/2007 |
