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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...
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...
7567866 Fuel injection control device  
A fuel injection control device of an internal combustion engine capable of using multiple kinds of fuel includes an ECU with a ROM for storing multiple reference fuel injection quantity maps...
7478625 Engine cranking system with cylinder deactivation for a direct injection engine  
An engine cranking system includes fuel injectors that are associated with multiple combustion chambers of an engine. The fuel injectors include a first fuel injector that is associated with a...
7475534 Method for controlling fuel injection and a motor vehicle  
The invention is directed to a method for controlling fuel injection in an internal combustion engine ( 10 ) having at least one electric machine ( 26 ), wherein a direct injection system ( 18 )...
7448361 Direct injection fuel system utilizing water hammer effect  
A method is described for operating a fuel system during start up, the system utilizing gasoline direct injection for an internal combustion engine including a first pump and second pump, an...
7448363 Fuel delivery system and method of operation  
A fuel delivery system for an engine. The fuel delivery system includes a fuel tank, at least one fuel injector, a fuel pump, a pressure sensor, a temperature sensor, and an engine control module....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 36 a ; a plunger 32 ; and a CSD 30 including an injection-advancing actuator 38 which operates a piston ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7007672 Internal combustion engine starting system  
The invention relates to a starting system ( 1 ) for an internal combustion engine comprising pressurized fuel supply means ( 3 ), an accumulator means ( 2 ), which is supplied with pressurized...
6993427 Combustion state estimating apparatus for internal combustion engine  
A combustion state estimating apparatus for estimating the state of combustion in an internal combustion engine includes an angular acceleration calculator that calculates a crank angle...
6964267 Diesel fuel supply system for preventing fuel pressure loss  
Diesel engine fuel supply systems are provided that are preferably adapted to reduce fuel pressure loss. Preferred fuel supply systems comprise a fuel supply line for providing fuel from a fuel...
6964262 Accumulator fuel injection system capable of preventing abnormally high pressure  
An accumulator fuel injection system 1 comprises a PC sensor 21 for detecting a common rail pressure, a pressure limiter 22 for keeping the common rail pressure below a high limit pressure by...
6955148 Internal combustion engine controller and method for the operation of an internal combustion engine controller  
An internal combustion engine controller includes a main processor for monitoring operating parameters of an internal combustion engine and a triggering device, working together with the main...
6951200 Fuel injection rate control device  
In an engine ( 1 ) in which the fuel injection rate is controlled by a governor ( 11 ) having a construction in which the turning of a governor lever ( 31 ) connected to the control lever ( 16 ) of...
6923159 Diesel engine  
A diesel engine comprises a high-pressure pump ( 5 ) driven by an engine (E) to supply fuel in a fuel tank ( 2 ) to a common rail ( 3 ), an electric priming pump ( 13 ) provided in a fuel passage (...
6918383 Fuel control system  
A cold start fuel control system is disclosed for use with an internal combustion engine having a plurality of combustion chambers, a source of fuel and an intake manifold having an inlet and an...
6918367 Method for starting an internal combustion engine, particularly an internal combustion engine having direct fuel injection  
During a start, particularly during a cold start, of an internal combustion engine without additional auxiliary drive, a precisely metered fuel mass is introduced into a combustion chamber. In the...
6880508 Start assister of fuel injection pump  
A start assister ( 10 ) of a fuel injection pump, comprising a piston ( 46 ) inlayed into a housing (H), an upper chamber ( 49 ) formed over the piston ( 46 ), lower chamber ( 48 ) formed under the...
6873900 Method for operating an internal combustion engine and arrangement therefor  
A fuel pump ( 14 ) pumps fuel in a method for operating an internal combustion engine ( 10 ). The fuel pump ( 14 ) is connected at its input end to a fuel tank ( 12 ). Fuel reaches at least one...
6866025 High pressure fuel pump delivery control by piston deactivation  
A high pressure piston pump includes a housing having a low pressure fuel inlet and a high pressure fuel outlet; at least two pistons disposed in the housing; a driveshaft for supplying power to...
6865473 Method and device for controlling an internal combustion engine  
A method and a device for controlling an internal combustion engine having a central control unit and a peripheral control unit are described. The central control unit transmits request signals to...
6843238 Cold start fuel control system  
A cold start fuel control system is disclosed for use with an internal combustion engine having at least one combustion chamber, a source of fuel and a primary intake manifold having an inlet and...
6807949 Fuel injection and ignition system for internal combustion engine  
A fuel injection and ignition system for an internal combustion engine adapted to apply a power source voltage to an injector, an ignition circuit, an electronic control unit and a fuel pump from a...
6792922 Injection pump having cold start acceleration for direct injection internal combustion engines  
A fuel delivery unit for an internal combustion engine including a housing, which includes a timing unit for shifting the point of injection of fuel into the combustion chambers of the internal...
6769414 Fuel system, method for operating the fuel system, computer program and control and/or regulating unit for controlling the fuel system  
A fuel system serves to supply fuel to an internal combustion engine includes a reservoir and a first fuel pump whose input is connected to the reservoir and a second fuel pump whose input is...
6755625 Inlet throttle valve  
An inlet throttle valve for supplying liquid to a high-pressure pump has a fully open start position and an operating range where flow through the valve is determined by a pressure balance of a...
6745751 High pressure fuel supplying apparatus for internal combustion engine and method for controlling the apparatus  
A fuel pump draws pumps fuel from a fuel tank to a pressurizing chamber during a suction stroke, and pressurizes and sends fuel in the pressurizing chamber to a delivery pipe. A electromagnetic...
6722334 Method and device for automatic starting of a diesel engine  
The invention relates to a method and a device for automatic starting of a diesel engine, actuation of the ignition key ( 1 ) initiating preheating ( 2 ) and turnover of the engine by the starter (...
6718928 Method for starting a multi-cylinder internal combustion engine  
The invention relates to a method for starting a multi-cylinder internal combustion engine ( 1 ), especially of a motor vehicle. The position of a piston ( 2 ) in a cylinder ( 3 ) of the engine ( 1...
6647938 Supply pressure pump with separate drive on an internal combustion engine  
The invention relates to a device of the build-up of pressure in supply systems ( 6, 11, 20, and 23 ) to components ( 19, 36 ) on internal combustion engines ( 2 ). The invention includes...
6622708 Priming fuel system method and apparatus for marine engines  
A fuel system for fluidly connecting a fuel tank with an engine includes a low-pressure fuel circuit connected to the fuel tank. A high-pressure fuel circuit connected to the engine is supplied...
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