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| Number | Title | Issue Date |
| 8161947 | Pressure boosting system for at least one fuel injector The invention relates to a pressure boosting system for at least one fuel injector of a high pressure injection system of an internal combustion engine, having a hydraulic pressure booster that is actuated by a control valve. The hydraulic pressure booster is config... | 04/24/2012 |
| 7966995 | Dual level pressurization control based on fuel flow to one or more gas turbine engine secondary fuel loads A system and method provide dual level pressurization control of a fuel supply system based on whether fuel is being supplied to one or more secondary fuel loads. Fuel pump discharge backpressure is maintained above either a first minimum pressure value or a lower s... | 06/28/2011 |
| 7950373 | Check valve with separate spherical spring guide A check valve for use with a pump is disclosed. The check valve may have a body at least partially defining a central bore with an open end and a closed end, and a spring guide separate from the body and disposed within the closed end of the central bore. The check ... | 05/31/2011 |
| 7950372 | By-pass regulator assembly for dual ERFS/MRFS fuel pump module A fuel system that supplies fuel to an engine of a vehicle. The fuel system includes a pump that pumps fuel and a controller that selectively changes operation of the pump between an electronic returnless fuel system mode and a mechanical returnless fuel system mode... | 05/31/2011 |
| 7874284 | Fuel supply system having fuel filter installed downstream of feed pump A fuel supply system for an accumulator fuel injection system designed to inject fuel, as stored in an accumulator, into an internal combustion engine through a fuel injector The fuel supply system includes a feed pump working to pump the fuel out of a fuel tank and... | 01/25/2011 |
| 7717091 | Fuel supply systems A fuel supply system includes a pressure regulator (16) regulating the pressure of fuel supplied from a fuel pump (14). A valve device (18) is associated with the pressure regulator (16) for controlling the pressure of the fuel regulated ... | 05/18/2010 |
| 7640919 | Fuel system for protecting a fuel filter A fuel system is disclosed. The fuel system has a first pump supplying fuel at a first pressure. The fuel system also has a fuel filter fluidly connected downstream of the first pump. The fuel system further has a second pump receiving fuel at a second pressure and ... | 01/05/2010 |
| 7631634 | Fuel delivery module for high fuel pressure for engines A fuel pump module comprising a fuel pump, a pressure regulator, a supply line check valve, a relief valve, and a flange adapted to engage a fuel supply line that fluidly links the fuel pump module with an injector rail. The pressure regulator is adapted to maintain... | 12/15/2009 |
| 7422002 | Method and apparatus for controlling a fuel injection system for an internal combustion engine in a vehicle A method and a device for controlling a fuel injection system for an internal combustion engine of a motor vehicle, whereby the internal combustion engine has a common rail, a high-pressure pump, a flow control valve for controlling the fuel delivery rate of the hig... | 09/09/2008 |
| 7415974 | Fuel feed apparatus having sub-tank A fuel feed apparatus includes a lid member that plugs an opening of a fuel tank. A protruding member protrudes from the lid member into an inside of the fuel tank. A sub-tank is accommodated in the fuel tank. The sub-tank is axially movable relative to the lid memb... | 08/26/2008 |
| 7370640 | Fuel feed unit The invention relates to a fuel feed unit (2) for a motor vehicle, comprising a volume flow reducing valve (13, 14) that is mounted in a pump fluid line (11, 12) leading to a suction jet pump (5, 6). Said volume flow reducing valve (13... | 05/13/2008 |
| 7363917 | Filter unit and valve for a fuel supply system A valve (49) which is intended for insertion into the line connecting a fuel pump to a system of injection valves and which is designed as a pressure-maintaining valve is characterized by a pipe body (50) intended to have a flow passing through it, int... | 04/29/2008 |
| 7343901 | Fuel supply device A fuel filter is located downstream of a feed pump to filter fuel discharged from the feed pump. An orifice is located between the fuel filter and a suction quantity control valve to restrict a flow rate of the fuel passing through the fuel filter. A positive pressu... | 03/18/2008 |
| 7320311 | Pressure boosting common rail fuel injection apparatus and fuel injection control method therefor A fuel injection valve (10) with a pressure boosting unit is provided in an engine (1), and boosted pressure fuel injection is performed by increasing a pressure of fuel supplied to a fuel injection valve from a common rail (3). An ECU (20 | 01/22/2008 |
| 7318414 | Constant-speed multi-pressure fuel injection system for improved dynamic range in internal combustion engine A fuel injection system operates under a substantially constant pump speed and creates multi-pressure levels by diverting the fuel flow. Fuel pressure can be switched from one steady pressure level to another level on-demand instantly. This superimposes and overlaps... | 01/15/2008 |
| 7318846 | Mixture formation means for a reformer of a fuel cell system or for a heater A mixture formation means for the reformer of a fuel cell system or for a heater. The fuel feed includes a pressure impulse injection means and the mixture formation area is a swirl chamber having a discharge nozzle connected to the pressure impulse injection device... | 01/15/2008 |
| 7299821 | Reservoir of fuel delivery module having valve protection structure A reservoir 10 is provided for mounting to a bottom of a fuel tank of a vehicle. The reservoir includes wall structure 13 coupled with a bottom to define an interior space 17. The bottom has an internal surface 27 within the interior spac... | 11/27/2007 |
| 7287546 | Simple structure of fuel pressure regulator designed to minimize pressure loss A fuel pressure regulator for use in internal combustion engines. The fuel pressure regulator includes a valve seat and a vale body disposed downstream of the valve seat and is designed to move the valve body away from the valve seat through the pressure of fuel app... | 10/30/2007 |
| 7270113 | Device for controlling flow rate of a direct injection fuel pump The invention concerns a method for controlling high pressure fuel supply of a set of injectors connected to a common high pressure chamber, called common rail C in a direct injection fuel circuit, through a high pressure pump (P), by acting on the low pressure supp... | 09/18/2007 |
| 7252070 | Fuel injection device for an internal combustion engine A fuel injection system for an internal combustion engine and having a high-pressure fuel pump and a fuel injection valve for each engine cylinder. A first electrically actuated control valve controls a connection of the pump working chamber to a low-pressure region... | 08/07/2007 |
| 7243640 | Fuel flow path module in inline pump type fuel injection apparatus To make a length in a horizontal direction of a vapor return joint small, thereby improving an assembling property of a fuel flow path module to a fuel tank, a vapor inflow hole, a fuel outflow hole and a regulator fuel inflow hole are provided in a fuel tube portio... | 07/17/2007 |
| 7228849 | Conical concave cap pressure relief valve A pressure relief valve useful in vehicle fuel delivery systems includes a spring biased, concave conical flow directing surface and a spherical valve seat. ... | 06/12/2007 |
| 7188610 | No-return loop fuel system A no-return loop fuel injection system supplies fuel from a fuel pump to an injector fuel rail, through a fuel line. A biased closed pressure control valve communicates with the fuel line and has a valve head preferably of a diaphragm type carrying a fuel side havin... | 03/13/2007 |
| 7140354 | Compressed gaseous fuel system for internal combustion engine A compressed gaseous fuel system for an internal combustion engine includes an electronic engine controller, a common fuel rail, fuel injectors operatively connected with the common-rail and with the engine controller, and a high pressure gaseous fuel source. A cont... | 11/28/2006 |
| 7124739 | Fuel pressure adjusting apparatus A fuel pressure adjusting apparatus which includes a casing which includes a fuel introduction port, and a fuel discharge port; and a cylindrical member which is housed in the casing, and which includes a valve seat at an end portion thereof, and a communication pas... | 10/24/2006 |
| 7093576 | System and method to prime an electronic returnless fuel system during an engine start A method for priming a fuel injected internal combustion engine with a returnless fuel system having a check valve and initiating a fuel pump with a command signal. After said initiation, adjusting said command signal as a sensed fuel pressure varies to achieve a fu... | 08/22/2006 |
| 7093589 | Apparatus for increasing induction air flow rate to a turbocharger A system that enables enhanced air flow to the air intake of an internal combustion engine having a turbocharger is disclosed. The air induction system includes a plenum or expansion chamber located within the area directly in front of the inlet of the turbocharger.... | 08/22/2006 |
| 7089918 | Electrostatic charge control for in-tank modules An in-tank fuel module for a fuel tank having a conductive lead for connection to an electrical ground plane and at least a first electrically conductive component, and a conductive polymeric strand electrically connecting the component to the lead. A jet aspiration... | 08/15/2006 |
| 7066152 | Low evaporative emission fuel system depressurization via solenoid valve A fuel delivery system is provided with a fuel solenoid valve to minimize fuel leakage and evaporative emissions during diurnal cycles by preventing pressure buildup as the temperature of the fuel system rises. The fuel solenoid valve is located between a pressurize... | 06/27/2006 |
| 7007708 | Flow control valve A valve mechanism to control fluid flow between a fluid pumping device and a system that includes an inlet from the fluid pumping device, a first valve, a second valve, a first outlet fluidly connected to the system, and a second outlet. The first valve prevents bac... | 03/07/2006 |
| 6974538 | Fuel filter for an internal combustion engine The invention relates to a fuel filter for an internal combustion engine, comprising a filter housing consisting especially of metal, and a filter element and a pressure-regulating valve located in said filter housing. The aim of the invention is to ensure that no n... | 12/13/2005 |
| 6966302 | Fuel system and flow control valve A valve for controlling flow of a fluid includes a valve body defining at least in part an inlet, an outlet, at least one chamber, and an orifice in communication with the chamber. A valve member is received at least in part in one chamber for reciprocation or rotat... | 11/22/2005 |
| 6951206 | Automotive fuel supply apparatus A fuel pressure detector and a pressure accumulator are disposed in a fuel distribution line, an engine control apparatus controlling activation of a fuel pump based on output from the fuel pressure detector. The fuel pump is activated at maximum capacity to fill th... | 10/04/2005 |
| 6899088 | Flow intensifier for cold starting gasoline direct injection engine In a common rail gasoline fuel injection system having a high pressure fuel supply pump (14) in which fuel is pressurized in a pumping chamber and delivered through a high pressure passage (16) to the common rail (18), the improvement comprising... | 05/31/2005 |
| 6886543 | Fuel supply control system for engine A composite control valve is constructed by a valve housing, a negative pressure working chamber defined in the valve housing to communicate with a negative pressure generating section in the engine, a first control valve operable to be opened and closed with genera... | 05/03/2005 |
| 6837219 | Ported pressure relief valve A ported pressure relief valve (10) used in an automotive fuel system (F) includes an unrestricted constant bleed orifice (32) for routing pressurized fuel from a fuel pump (P) back to a fuel source (T, M) when an engine (E) is running. A check valve (... | 01/04/2005 |
| 6807943 | Motor vehicle fuel injection system with a high flow control valve A gasoline direct injection system of an engine has a high pressure pump with an output connected to a fuel rail that supplies a plurality of fuel injectors. A control valve is connected in parallel with the pump to maintain the fuel rail pressure at a consistent le... | 10/26/2004 |
| 6802340 | Fuel pressure regulator having offset head and orifice axes A fuel pressure regulator including a valve head having a centerline offset from the centerline of a corresponding fuel orifice. The valve head may be offset with respect to the valve seat and orifice, the orifice may be offset within the seat with respect to the he... | 10/12/2004 |
| 6796291 | Intake pressure sensor arrangement for engine A multi-cylinder engine includes a plurality of combustion chambers and employs an improved intake pressure sensor arrangement to control fuel injection into the combustion chambers. A plurality of intake conduits define intake passages through which air flows to th... | 09/28/2004 |
| 6792916 | Control device of common rail fuel injection system of an engine To prevent the sticking of the valve body of an electromagnetic valve under idling conditions or under non-injection conditions in a control device of common rail fuel injection system of an engine wherein the fuel supplied from a feed pump (6) is pressurized... | 09/21/2004 |
