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| Number | Title | Issue Date |
| 8132558 | Common rail fuel pump with combined discharge and overpressure relief valves 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 re... | 03/13/2012 |
| 7966994 | System for metering a fuel supply A system for metering fuel to an engine. The system includes a fuel metering valve having a throttled inlet and a throttled outlet. The system also provides regulation of redundant pump supplies of fuel to the engine. The throttling of the inlet to the fuel metering... | 06/28/2011 |
| 7926470 | Compact relief valve having damping functionality A relief valve is provided for use with a fuel system. The relief valve may have a housing forming an inlet, an outlet, and a central bore fluidly connecting the inlet to the outlet. The relief valve may also have a valve element disposed within the central bore of ... | 04/19/2011 |
| 7832379 | Device for pumping fuel A devices for pumping fuel has at least one suction jet pump and a drive line, supplying the suction jet pump with fuel, that branches off from a pressure line leading to an internal combustion engine and that can be blocked off by means of a shutoff valve. By means... | 11/16/2010 |
| 7827971 | Engine assembly with fuel filter gas removal apparatus An engine assembly may include an engine defining a cylinder bore, a fuel tank, a fuel supply assembly in fluid communication with the fuel tank and the cylinder bore, a fuel return assembly in fluid communication with the fuel supply assembly and the fuel tank, and... | 11/09/2010 |
| 7784447 | Fuel injection system comprising a high-pressure variable-delivery pump The injection system has a high-pressure pump (7) having at least one pumping element (18) operated reciprocatingly to perform an intake stroke and a delivery stroke. Each pumping element (18) has a corresponding intake valve (25) communi... | 08/31/2010 |
| 7784448 | Fuel flow anti-interruption An anti-flow interruption system is configured to provide a supply of fuel in the event of a fuel flow interruption from a fuel tank. The anti-flow interruption system includes a reservoir, a reservoir conduit, and a vapor bleed system. The reservoir conduit has an ... | 08/31/2010 |
| 7721718 | System for controlling an air to fuel ratio A method of controlling an air to fuel ratio of an internal combustion engine may include receiving a request for a modification of a first flow of fuel to at least one combustion chamber, modifying the first flow of fuel in response to the request, receiving a firs... | 05/25/2010 |
| 7721717 | Diesel fuel filter A diesel fuel filter has a filter element which incorporates or is constituted by a heater made of an electrically conductive fabric which heats at least the inlet side surface of the filter element. A filter element formed entirely from the electrically conductive ... | 05/25/2010 |
| 7681556 | Fuel supply system for use in heavy construction/forest equipment and secondary fuel tanks thereof A fuel supply system for supplying a fuel to an engine mounted on an upper frame of heavy construction/forest equipment is provided. The fuel supply system includes a junction tank unit for interflowing a fuel supply line which is connected to a lower end of a prima... | 03/23/2010 |
| 7527043 | Liquid fuel system with anti-drainback valve and engine using same An engine with a high pressure common rail fuel system includes a bleed line to tank to facilitate evacuation of air and vapor from the fuel lines to assist in priming the fuel system. An anti-drainback valve prevents fuel vapor from migrating in a reverse direction... | 05/05/2009 |
| 7506637 | Fuel feed apparatus A fuel feed apparatus connects with an injector and a reservoir tank. The reservoir tank is in upstream of the injector for accumulating fuel for the injector. A fuel pump press-feeds fuel in a fuel tank toward the reservoir tank in accordance with pressure in the r... | 03/24/2009 |
| 7448364 | Fuel cutoff valve and breather pipe In a fuel cutoff valve of the invention, an opening at a lower end of a cylindrical bottom member defines a full level of fuel. The opening of the cylindrical bottom member has a flange that is protruded in a horizontal direction. This structure of the invention eff... | 11/11/2008 |
| 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 |
| 7406954 | Fuel pump check valve A high-pressure fuel pump (10) used in a fuel system includes an electric motor (14) having a drive shaft (16) to which is attached a pumping element (18). A fuel inlet passage allows low-pressure fuel to be drawn into the pump, and a fue... | 08/05/2008 |
| 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 |
| 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 |
| 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 |
| 7370519 | Device and method for detecting malfunctions in a fuel injection system provided with a fuel pressure damper In the low pressure zone (10) of a fuel injection system a fuel pressure damper (12) is provided which dampens pressure variations, especially such pressure variations that are caused by operation of a high-pressure fuel pump (16) mounted downst... | 05/13/2008 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 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 |
| 7360529 | Fuel level measurement and run time interpolation At least one aspect of the invention provides an improved fuel sensing system for a generator, in addition, one or more other aspects of the invention provide improved systems and methods for determining remaining run-time of a generator system. ... | 04/22/2008 |
| 7353809 | Evaporative emissions canister with integral liquid fuel trap An evaporative emissions canister is used in an automotive evaporative emission system to separate liquid fuel entrained with fuel vapor and to control emission of fuel vapors to the atmosphere, the system including a fuel tank coupled to an automotive engine. The c... | 04/08/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7306715 | Pump module A pump module includes a fuel pump, a fuel filter having a filter casing and a filter element, a fuel outlet, and a pressure regulator. The filter casing covers at least a part of the outer circumference of the fuel pump, and accommodates the filter element. The fue... | 12/11/2007 |
| 7303378 | Apparatus for delivering fuel from a tank to an internal combustion engine The fuel supply apparatus according to the invention is improved in a simple manner in that it is provided with short fuel lines. According to the invention, the drive line of the suction jet pumps is connected to a pressure line downstream of the fuel supply pump a... | 12/04/2007 |
| 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 |
| 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 |
| 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 |
| 7281524 | Device for delivering fuel from a reservoir to an internal combustion engine A fuel delivery device in which a preliminary filter and a throttle are provided in a drive line of a suction jet pump. The throttle is integrally formed with or connected to a preliminary filter to thereby reduce the manufacturing costs and simplify installation. | 10/16/2007 |
| 7278408 | Returnless fuel system module A returnless fuel system module includes a fuel pump in a fuel pump cavity, a fuel pressure regulator in a fuel pressure regulator cavity, first and second transfer passages therebetween, and a heat exchanger integrally formed in the housing in thermally conductive ... | 10/09/2007 |
| 7278404 | Fuel supply system and a method for controlling the fuel supply A fuel supply system for supplying an internal combustion engine with fuel comprises an electric fuel pump arranged with a fuel tank. A fuel line leading to the internal combustion engine is connected with the fuel pump. A return line returning fuel toward the fuel ... | 10/09/2007 |
| 7275524 | Non-return fuel supply system A return-flow-free fuel supply system for an internal combustion engine having at least one fuel pump for pumping fuel from a first region of a fuel reservoir into a pressure region communicating with a fuel distributor, at least one suction jet pump, through which ... | 10/02/2007 |
| 7275523 | Fuel supply unit in fuel tank for motorcycle To decrease height of a center tank chamber of a fuel tank for a motorcycle, the tank is formed to have a center tank chamber, and one side and another side tank chambers comprising an inclined parts extending to lower sides of one side and another side from a botto... | 10/02/2007 |
| 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 |
| 7267669 | Two site infusion apparatus An apparatus for use in delivering pain medication to separate locations from a single source of pressurized medication includes a valve housing, a cap, and a flexible diaphragm. The valve housing includes a first end and a second end and an inlet passage. The first... | 09/11/2007 |
| 7267108 | Fuel system pressure relief valve with integral accumulator A fuel pressure relief system in an engine fuel system having a fuel line is shown. In one example, the system has a pressure relief valve in the fuel line; and a pressure relief assembly coupled to the relief valve, the assembly having an accumulator in communicati... | 09/11/2007 |
