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| Number | Title | Issue Date |
| 8186332 | Fluid filter with integrated temperature regulation A fluid filter module with a filter housing is provided with an integrated and internally mounted thermostatic fluid regulator valve. The regulator valve is equipped with a thermostatic actuator member configured to sense and regulate a mix temperature within the fi... | 05/29/2012 |
| 8141544 | Carburetor system with a return line to the fuel tank A fuel system for a vehicle has a fuel tank, a fuel line in communication with the fuel tank, a carburetor having an inlet side and an outlet side, a return line connected to the outlet side of the carburetor and communicating with the fuel tank, and a nozzle positi... | 03/27/2012 |
| 8122871 | Fuel supply device for internal combustion engine and control device for the fuel supply device A fuel supply device has a main line, a fuel pump, a first return line, a second return line, a valve mechanism, a first pressure regulator, and a second pressure regulator. The fuel pump pressurizes the fuel in the fuel tank and supplies the fuel to a fuel distribu... | 02/28/2012 |
| 8056539 | Vehicular fuel supply equipment Fuel supply equipment for a vehicle includes a fuel filter cover for covering a fuel filter that is disposed outside of a fuel tank. A fuel pressure regulator for keeping fuel supplied to a fuel injection system under predetermined pressure is arranged so that the f... | 11/15/2011 |
| 8028680 | Fuel system for liquefied petroleum injection engine A fuel system for an LPI engine according to an exemplary embodiment of the present invention may include a reservoir disposed in a fuel tank, a recovery pipe inserted in the reservoir, and a fuel pump disposed in the reservoir and supplying LPI fuel, wherein liquef... | 10/04/2011 |
| 7954477 | Diesel cycle internal combustion engine A diesel cycle internal combustion engine can be operated with a variety of fuels having different boiling points and different viscosity-temperature characteristic curves, with a fuel circuit that includes a fuel tank, a fuel pump, a fuel line, at least one fuel fi... | 06/07/2011 |
| 7950374 | Device for supplying fuel to an energy producing installation of a ship A device for supplying fuel from an onboard energy producing installation on a ship transporting liquefied gas from at least one tank (2) of liquefied gas of said ship, comprising a pump (20) arranged in the bottom of the tank and a reservoir (23 | 05/31/2011 |
| 7931011 | High-pressure fuel supply circuit A high-pressure fuel supply circuit, which supplies fuel in a fuel tank to injectors of an internal combustion engine, may includes a fuel pump that is employed so as to feed the fuel in the fuel tank with pressure to the injector, wherein one or more fuel pumps may... | 04/26/2011 |
| 7861694 | Fuel supply system for internal combustion engine A high-pressure return passage returns excess fuel in a delivery pipe that is connected to an injector to a fuel tank. An upstream end of the high-pressure return passage is connected to the delivery pipe via a high-pressure regulator. A vertically lower portion of ... | 01/04/2011 |
| 7793642 | Fuel supply apparatus In a fuel supply apparatus, a fuel pump draws fuel from a fuel tank, and discharges the fuel to a high-pressure fuel system. A filter unit has a filter element located on a downstream side of the fuel pump to remove foreign matters contained in the fuel discharged f... | 09/14/2010 |
| 7789074 | Fuel supply system for internal combustion engine A high-pressure return passage returns excess fuel in a delivery pipe that is connected to an injector to a fuel tank. An upstream end of the high-pressure return passage is connected to the delivery pipe via a high-pressure regulator. A vertically lower portion of ... | 09/07/2010 |
| 7779819 | Control method for an overpressure valve in a common-rail fuel supply system Control method for an overpressure valve in a common-rail fuel supply system, the method including the phases of: delivering fuel under pressure, via a high-pressure pump, to a common rail equipped with the overpressure valve that is set to discharge the fuel presen... | 08/24/2010 |
| 7779818 | System and method for priming a fluid system A system and method is provided for automatically priming a fuel system by bleeding/purging air or vapor therefrom. The system includes a bleed valve configured to automatically move between three positions in response to the pressure of the fuel in the system. When... | 08/24/2010 |
| 7743751 | Fuel feed apparatus A feed pump pumps fuel from a fuel tank. A filter portion includes a filter element for removing foreign matter contained in the fuel discharged from the feed pump. A high-pressure pump pumps the filtered fuel to the internal combustion engine. A return passage is c... | 06/29/2010 |
| 7690361 | System and method for metering fuel in a high pressure pump system A system and method for metering fuel is provided which includes a fuel supply line and a metering valve in fluid connection with the fuel supply line to control a flow of fuel through the fuel supply line. The valve is movable into a closed position to block a prim... | 04/06/2010 |
| 7568471 | Diesel fuel injection priming system A fuel injection priming system includes a fuel supply line connected to a fuel supply rail. A plurality of piezoelectric fuel injectors are connected to the fuel supply rail. An injector return fuel line is connected to the fuel injectors and in communication with ... | 08/04/2009 |
| 7506638 | Fuel delivery system A fuel delivery system for supplying liquid gas fuel to an engine is disclosed. The fuel can be supplied solely to the engine or together with diesel fuel. The fuel delivery system includes an injector (20) for receiving the liquid gas, and for ejecting the l... | 03/24/2009 |
| 7481204 | Internal combustion engine flow regulating valve A flow regulating valve for a diesel engine in which a unitary valve element has three positions for controlling flow from a unit injector fuel injection system in response to valve inlet pressure. The valve has a first position wherein flow is blocked below about 1... | 01/27/2009 |
| 7438057 | Fuel injection system A common rail fuel injection system having a low-pressure region from which a high-pressure fuel pump acts on fuel with high pressure and delivers it to a high-pressure fuel accumulator from which fuel is supplied to injectors that inject the highly pressurized fuel... | 10/21/2008 |
| 7431020 | Adaptive fuel delivery module in a mechanical returnless fuel system A returnless fuel system has a fuel pump whose speed is varied by varying the voltage across the fuel pump. Controlling the fuel pump speed entails sensing the back pressure with a pressure sensor that may lie between the jet pump supply orifice and the pressure reg... | 10/07/2008 |
| 7431019 | Fuel supply device In a fuel supply device 1 in which high-pressure fuel in the inside of a common rail 2 which accumulates the high-pressure fuel supplied from a fuel pump 6 under pressure is supplied to an internal combustion engine by fuel injection valves, and... | 10/07/2008 |
| 7410022 | Fuel pickup return line and separator Systems, methods, and assemblies for providing improved fuel management to fuel injected engine systems of off-road vehicles, such as snowmobiles, personal watercraft, motorcycles, utility vehicles, and all-terrain vehicles. The fuel-injected engine systems can retu... | 08/12/2008 |
| 7404388 | System for automatically changing fuel passages The present invention provides a system which can automatically switch passages of a fuel supply line and a fuel return line when the pressure in a fuel return line becomes higher than a predetermined pressure. Even when the fuel supply and return lines are incorrec... | 07/29/2008 |
| 7387111 | In-tank fuel supply unit with attachable jet pump assembly and filter An in-tank fuel supply unit is provided for supplying fuel from a fuel tank to an engine. The fuel supply unit generally comprises a fuel delivery module and a jet pump assembly selectively attachable to the fuel delivery module. The fuel delivery module has a housi... | 06/17/2008 |
| 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 |
| 7383823 | Fuel injection system for an internal combustion engine A fuel injection system having a high-pressure side which includes at least one high-pressure reservoir, in which fuel is stored at injection pressure, and at least one injector communicating with the high-pressure reservoir for fuel injection at a cylinder of the e... | 06/10/2008 |
| 7380541 | Fuel-injection system for an internal-combustion engine The injection system comprises a high-pressure pump with variable flowrate, having at least one pumping element provided with an intake valve in communication with an intake pipe and a delivery valve in communication with a delivery pipe. A pressure regulator is set... | 06/03/2008 |
| 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 |
| 7367324 | Fuel feed apparatus having canister A fuel feed apparatus is provided to a fuel tank. The fuel feed apparatus includes a lid member, a canister, and a fuel pump. The lid member covers a through hole of the fuel tank. The canister connects with the lid member. The canister is accommodated in the fuel t... | 05/06/2008 |
| 7367352 | Multiway valve arrangement The valve device consists, according to the invention, of (at least) two part valves which are symmetrical in circuit terms with respect to the existing connections and which are designed, in particular, as four-way, two position valves of any desired type of constr... | 05/06/2008 |
| 7363918 | Controller of pressure accumulation fuel system A common rail fuel injection system has a fuel pump, a common rail, and an injector. The injector injects high-pressure fuel supplied from the common rail into an engine and leaks part of the high-pressure fuel. An electronic control unit (ECU) restricts a heat amou... | 04/29/2008 |
| 7353807 | Jet pump assembly of a fuel system for a combustion engine A fuel system has a jet pump assembly that fills a fuel reservoir for providing a reliable source of fuel to an electric motor fuel pump located in a fuel tank for a combustion engine. The electric fuel pump preferably delivers fuel at a controlled pressure to a ser... | 04/08/2008 |
| 7353798 | Fuel supply system for internal combustion engine A low-pressure delivery pipe provided with intake manifold injectors, a fuel pressure regulator, a high-pressure fuel pump, a high-pressure delivery pipe provided with in-cylinder injectors, and an electromagnetic relief valve are connected in series at the downstre... | 04/08/2008 |
| 7350510 | Fuel supply apparatus for internal combustion engine The engine ECU executes a program including the step of determining whether there is a possibility of occurrence of air bubbles within the high-pressure delivery pipe when there is an engine start request, the step of transmitting an open-instruction signal to the e... | 04/01/2008 |
| 7331330 | Device to attach a fuel return line to a fuel injector and device to suction fuel from a fuel injector A device to suction fuel from a fuel injector and a device to attach a fuel return line to a fuel injector with a C-shaped main body partially encircling the fuel injector having two retaining arms which abut the fuel injector and grip it from the back at least to a... | 02/19/2008 |
| 7320313 | Differential pressure regulator for fuel systems A differential pressure regulator includes a housing having a first and second chamber, a fuel pump inlet, a passage, and a return orifice. The fuel pump inlet is in fluid communication with the passage and the first chamber while the return orifice is in fluid comm... | 01/22/2008 |
| 7318423 | DME fuel supply device for diesel engine In the DME fuel supply device for a diesel engine, the time necessary to retrieve DME fuel remaining in the injection system after stopping the diesel engine into the fuel tank can be reduced. In a non-injection state, a three-way valve (71) is controlled to ... | 01/15/2008 |
| 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 |
| 7318417 | Injection unit and injection method for an internal combustion engine An injection unit has an injector arrangement connected to a pressure reservoir by a pressure line arrangement The injector arrangement has at least one servo injection valve and a control valve for the release of fuel from a control chamber into a fuel return line ... | 01/15/2008 |
| 7318424 | Integrated vapor management and rollover valve for a fuel tank A fuel system comprising a fuel tank having an opening. A cap is removably coupled to the fuel tank and operable for sealingly closing the opening to prevent ingress and egress of air through the opening. An overfill chamber is in communication with the fuel tank, a... | 01/15/2008 |
