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| Number | Title | Issue Date |
| 8001942 | High pressure piston pump actuating system using automotive starter system An apparatus for providing pressurized fuel for an engine includes an electric motor operative to crank said engine, a fuel pump, and a gear reduction device. This gear reduction device includes a worm and worm wheel and operates to receive a high speed input from s... | 08/23/2011 |
| 7966984 | Direct injection fuel system with reservoir A method of operating a fuel delivery system for an internal combustion engine is described. The method may include, after or during engine shutdown, and during a fuel system cool down, activating the first pump; and varying the activation of the first pump responsi... | 06/28/2011 |
| 7591239 | 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... | 09/22/2009 |
| 7383804 | Procedure to recognize a depressurized fuel system A procedure to recognize a depressurized fuel system of a motor vehicle with an internal combustion engine that includes a parameter characterizing the fuel system temperature is acquired when turning off the internal combustion engine; a parameter characterizing th... | 06/10/2008 |
| 7380537 | Control apparatus for vehicle In a vehicle incorporating an internal combustion engine having in-cylinder injectors and intake manifold injectors and performing engine intermittent operation control, at the end of vehicle operation, the fuel pressure is decreased in both a high-pressure delivery... | 06/03/2008 |
| 7370643 | Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge injectors. Formation of condensation in the compressed-air supply ch... | 05/13/2008 |
| 7370638 | Fuel injection control system ensuring steady balance in pressure in accumulator An accumulator fuel injection system working to energize fuel injectors to inject fuel at a sequence of injection timings into an internal combustion engine and also to control a fuel pump to feed the fuel to an accumulator at a sequence of controlled times for comp... | 05/13/2008 |
| 7353805 | Fuel injector pump with trapped volume A pumping system (10) for a fuel injection system including a pump body defining a pumping chamber, a plunger (14), a high-pressure outlet, a high-pressure fluid line (18) connecting the pumping chamber to the outlet and a trapped volume (20 | 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 |
| 7350503 | Fuel injection pump A fuel injection pump 100 comprises a thermoelement CSD 47 for advancing injection timing in a cold temperature condition. The CSD 47 uses a piston 46 for opening and closing a sub port 42 formed in a plunger barrel 8. An el... | 04/01/2008 |
| 7331333 | Direct fuel injection/spark ignition engine control device A direct fuel injection/spark ignition engine control device is configured to enable compression stroke injection when the fuel pressure is low at startup and immediately after startup, and to reduce the wall flow and amount of HC exhaust. When the catalyst requires... | 02/19/2008 |
| 7328687 | Fuel supply apparatus for internal combustion engine A fuel supply apparatus includes: a low-pressure fuel system applying pressure to a fuel in a fuel tank by using a first low-pressure pump and supplying the fuel to port fuel injection valves; a high-pressure fuel system applying pressure to the fuel in the fuel tan... | 02/12/2008 |
| 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 |
| 7312968 | Starter-relay control circuit with self fault diagnosis function In a starter-relay control circuit, a high-side switching element is connected between a first output line connected to a high-side terminal and an ignition power line connected to the ignition switch. A low-side switching element is connected between a second outpu... | 12/25/2007 |
| 7303242 | Fast fill brake system An adaptation to a vehicle antilock braking system modulator to increase the initial displacement of the master cylinder, provide quicker system response and improved pedal feel. A solenoid assembly is added to the non fluid side of each of the low pressure accumula... | 12/04/2007 |
| 7284539 | Fuel pressure controller for direct injection internal combustion engine A fuel pressure control device has a feedback control section for setting a feedback control amount (F/B control amount) in accordance with a deviation between target fuel pressure and actual fuel pressure and a feedforward control section for setting a feedforward ... | 10/23/2007 |
| 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 |
| 7255081 | Method and device for improving the starting response of an internal combustion engine The present invention relates to methods for charging at least one combustion chamber (12) of a spark-ignition combustion engine (10) with fuel and air. At least one combustion chamber charge is produced during a shutoff phase of the internal-combustio... | 08/14/2007 |
| 7234449 | Common fuel rail fuel system for locomotive engine A common rail fuel injection apparatus (1) for a multi-bank, diesel locomotive engine (10). A common rail (20,22) is disposed proximate each bank (20,22) of cylinders (12) of the engine to provide high pressure fuel (30) to ... | 06/26/2007 |
| 7231910 | Method for setting the feed rate of a fuel pump unit, which sucks up fuel from a fuel tank, and fuel pump unit for the method The invention relates to a method for setting the feed rate of a fuel pump unit, which sucks up fuel from a fuel tank 8, as a function of the feed pressure, which is built up by the fuel pump unit, in an outlet 25 of the fuel pump unit, which outlet le... | 06/19/2007 |
| 7222611 | Fuel supply apparatus and fuel pressure regulating method for internal combustion engine When an engine operation is stopped, a bypass passage returning fuel in a fuel supply passage into a fuel tank is opened to return a part of the fuel in the fuel supply passage, and a fuel pressure in the fuel supply passage is lowered to a predetermined fuel pressu... | 05/29/2007 |
| 7220196 | Chain drive for an internal combustion engine In a chain drive for an internal combustion engine, said chain drive comprising a driving wheel (2), a driven wheel (3), an endlessly circulating chain (1) that connects the driving wheel (2) and the driven wheel (3), a chain tensi... | 05/22/2007 |
| 7216614 | Fuel supply device for outboard device A fuel supply device can have a low pressure fuel pump that supplies fuel to a vapor separator tank positioned adjacent to an engine from a main fuel tank disposed in a hull. An electrically operated primary fuel pump (e.g., a primer pump) and a check valve can both... | 05/15/2007 |
| 7213665 | Hybrid vehicle and control method of same A delay time for delaying starting of an internal combustion engine in a hybrid vehicle is set to a predetermined time based on an engine coolant temperature and a state of an air conditioner switch. Starting of the engine is delayed for the predetermined time if it... | 05/08/2007 |
| 7201128 | Fuel supply system for internal combustion engine with direct fuel injection In a fuel supply system for an internal combustion engine with direct fuel injection including a fuel supply pump and, downstream thereof, a high pressure pump for supplying high pressure fuel to a plurality of injectors and, parallel to the high pressure fuel pump,... | 04/10/2007 |
| 7168413 | Fuel injector control apparatus for cylinder injection type internal combustion engine A fuel injector control apparatus for a cylinder injection type engine includes driving circuits each shared by plural fuel injectors classified groupwise and having one ends connected in common to a potential source, switching means (13, 17, 19) connected to... | 01/30/2007 |
| 7152585 | Fuel injection pump with cold start device A fuel injection pump comprises: a barrel formed with a main port 39 and a sub port 36a; a plunger 32; and a CSD 30 including an injection-advancing actuator 38 which operates a piston 35 for opening or closing sub po... | 12/26/2006 |
| 7134413 | Method for determining malfunction of pressure sensor A method for determining a malfunction of a pressure sensor determines that a stick malfunction occurs in the pressure sensor by an ECU calculating a difference between a maximum value and a minimum value of a voltage value output from the pressure sensor mounted in... | 11/14/2006 |
| 7121245 | Injection control device for fuel injection pump In an injection control device for a fuel injection pump comprising: a water temperature sensor; a cold start device (CSD) for advancing a fuel injection timing to an engine when started up in a low temperature; and a controller, the controller recognizes a value T ... | 10/17/2006 |
| 7121265 | Method for operating a fuel supply system for an internal combustion engine in a motor vehicle A method for operating a fuel-supply system for an internal combustion engine of a motor vehicle is provided, the fuel-supply system having a fuel-storage tank, a fuel pump and a pressure sensor, the fuel pump supplying fuel from the fuel-storage tank to a pressure ... | 10/17/2006 |
| 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 |
| 7089914 | Method, computer program and control and/or regulation device for operating an internal combustion engine, and corresponding internal combustion engine A method for operating an internal combustion engine, in particular of a motor vehicle including at least one fuel pump delivers the fuel from a fuel tank into a fuel line. The pressure of the fuel, at least in a region of the fuel line, is increased as a function o... | 08/15/2006 |
| 7082930 | Method for controlling engine fuel injection in a hybrid electric vehicle A method for controlling fuel injection during engine startup in a hybrid electric vehicle. The hybrid electric vehicle includes an engine, a power source, an electrical machine, and a control module. The method includes the steps of driving the engine with the elec... | 08/01/2006 |
| 7080630 | Method for calculating cylinder charge during starting A system and method to control fuel delivery to an engine at startup includes a crank sensor that determines a rotational position of the engine. A control module calculates an air mass of a first cylinder based on the rotational position of the engine and delivers ... | 07/25/2006 |
| 7072757 | Fuel control system An apparatus and method of controlling an engine by determining the state of an ignition command device and the speed of an engine and operating a fuel pump during a predetermined period in response to the ignition command device being in a predetermined state and t... | 07/04/2006 |
| 7066126 | Fuel supply system and method of direct fuel injection engine To perform fuel injection under fuel pressure as high as needed in an operation range of from cranking to self-sustaining operation via full expansion. A fuel supply fuel system for a direct fuel injection type internal combustion engine is provided with a hi... | 06/27/2006 |
| 7051706 | Control mechanism for fuel injection pump A control mechanism for a fuel injection pump comprises: an electronic governor which actuates a rack actuator by a controller for controlling a governing rack; and a cold start device which actuates an injection-quickening actuator by the controller for opening or ... | 05/30/2006 |
| 7040291 | Method for regulating the pressure in a fuel accumulator of an internal combustion engine A method for regulating the pressure in a fuel accumulator of an internal combustion engine, in particular in a common rail system is described. The provision of different regulating modes for regulating the pressure in the fuel accumulator is known from the related... | 05/09/2006 |
| 7025028 | Method for controlling and adjusting the starting mode of an internal combustion engine For controlling and regulating the startup operation of an internal combustion engine (1) a method is proposed in which a rail pressure is compared with a limit value on activation of the startup operation. Depending on this comparison, a first or second mode... | 04/11/2006 |
| 7021261 | Method, computer program control and regulating unit for operating an internal combustion engine, as well as an internal combustion engine In an internal combustion engine, the fuel is conveyed by an electrically driven fuel pump. The intake side of this pump is connected to a fuel tank and its outlet side is connected to a pressure region. A prerun of the electrically driven fuel pump may be performed... | 04/04/2006 |
