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Document Title |
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7574995 |
Fuel injection system
A fuel injection system for an internal combustion engine, comprises: a pump comprising a pumping plunger which is driven, in use, to cause pressurization of fuel within a pump chamber, an...
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7559314 |
Method for controlling a fuel injector
A method in an internal combustion engine for controlling a fuel injector of the unit injector type which includes a plunger that is driven by a rotating camshaft and during a working stroke...
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7552720 |
Fuel pump control for a direct injection internal combustion engine
A fuel pump for a direct injection internal combustion engine having a body with a valve seat. The valve includes a valve head and the valve is movably mounted to the body between an open position...
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7549410 |
Fuel injection system suitable for low-viscosity fuels
A fuel injection system for an internal combustion system includes an Engine Management System (EMS), a fuel feed pump, a return line, a high-pressure pump, supplying fuel under pressure to a...
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7546832 |
Control device of high-pressure fuel pump of internal combustion engine
A control device of a high-pressure fuel pump of an internal combustion engine capable of improving stability in controlling the drive of the high-pressure fuel pump by limiting the end timing of a...
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7546831 |
Fuel injection apparatus for engines and method of operating the engine equipped with the apparatus
A fuel injection apparatus for engines is provided, with which occurrence of cavitation erosion on constituent parts of the high pressure fuel pump and fuel feed line to the pump in the apparatus...
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7540274 |
High pressure fuel supply pump for internal combustion engine
An intake valve automatically opened and closed by pressure of a pressuring chamber is provided in a fuel intake passage, the intake valve is pushed to open by a plunger of an electromagnetic...
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7520266 |
Fuel injector control system and method
A fuel injector for an engine is disclosed. The fuel injector has a plunger disposed within a bore, a nozzle member, a valve needle, a check valve, a spill valve, and a controller. The check valve...
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7517200 |
Variable discharge fuel pump
A pump has a housing defining at least one pumping chamber, and a plunger slidably disposed within the at least one pumping chamber. The plunger is movable between a first and second spaced apart...
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7509948 |
Variable displacement pump with an anti-stiction device
A spacer for use with, and to prevent or reduce the occurrence of stiction in, a fluid device such as a pump. The spacer has a generally ring-shaped body, which has first and second facing surfaces...
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7490592 |
Fuel injection apparatus for engine and method of operating the engine equipped with the apparatus
A fuel injection apparatus with which energy for driving the high pressure fuel pumps of the apparatus by proper operation of the high pressure fuel pumps in order to reduce waste energy, and a...
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7451741 |
High-pressure pump
The pump described herein provides a potentially lower cost alternative to conventional high-pressure pumps by providing a head, a plunger, and a control valve assembly. The head defines a valve...
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7451038 |
Method for detecting the opening of a passive pressure limiting valve
In a method for detecting the opening of a passive pressure limiting valve for releasing fuel from a common rail fuel injection system to a tank with a fuel supply including a throttle wherein,...
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7444989 |
Opposed pumping load high pressure common rail fuel pump
A high volume high pressure common rail pump for a fuel system includes pairs of pump head assemblies in phase with each other but oriented in opposition to one another about a rotating cam shaft....
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7444988 |
Accumulation-volume fuel injection system for an internal-combustion engine
The injection system ( 1 ) comprises a pump ( 7 ) designed to send fuel at high pressure to an accumulation volume, for example formed by a common rail ( 6 ), for supplying a plurality of injectors...
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7428894 |
Fuel pressure controller
A fuel pump suctions fuel from a fuel tank and discharges the fuel. A discharge metering valve regulates an amount of the discharged fuel out of the suctioned fuel. The discharged amount is...
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7415973 |
Fuel injection pump equipped with rotary deflector
A fuel injection pump equipped with a rotary deflector having an increased lifetime and reduced maintenance cost required to replace the deflector when it is wasted due to cavitation erosion. The...
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7413160 |
Method for determining a closing time of a closing element and circuit arrangement
In a method for determining the closure time for a valve, operated by a piezoelectric actuator, in order to record the closing time, the voltage at the piezoelectric actuator is recorded and the...
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7412969 |
Direct needle control fuel injectors and methods
Direct needle control fuel injectors and methods disclosed. The preferred embodiment injectors have a needle within a needle chamber for movement between a closed position preventing injection of...
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7406949 |
Selective displacement control of multi-plunger fuel pump
A pump for a combustion engine is disclosed. The pump may have at least one pumping member movable through a plurality of displacement strokes during a single engine cycle. The pump may also have a...
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7398768 |
Electromagnetic drive mechanism and a high-pressure fuel supply pump
The objective of the present invention is to dampen operating sounds of an electromagnetic drive mechanism used for a variable displacement control mechanism in a high-pressure fuel supply pump to...
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7383819 |
Electromagnetic valve device and fuel injection apparatus with the valve device
A compact electromagnetic valve device for fuel injection apparatus for engines is provided with which occurrence of cavitation erosion due to rapid change in pressure in a small gap is prevented...
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7377266 |
Integrated fuel feed apparatus
This invention relates to the engine technical field, more particularly, an integrated fuel feed apparatus. The integrated fuel feed apparatus including a driving member 20 , a plunger pump 30 ...
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7353806 |
Fuel injector with pressure balancing valve
A fuel injector device, for injecting fuel into a combustion chamber of an internal combustion engine, has a nozzle valve and nozzle valve control assembly adapted to use a control valve and high...
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7328688 |
Fluid pumping apparatus, system, and method
A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the...
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7325537 |
Method, computer program, and control and/or regulating unit for operating an internal combustion engine
A high-pressure fuel pump and methods for controlling this high-pressure fuel pump are described in which the pumping quantity regulation does not cause significant heating of the fuel to be...
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7318413 |
Control apparatus for internal combustion engine
An engine ECU executes a program including the steps of: detecting an engine speed NE and an engine load (S 100 , S 110 ); when determination is made of being in an idle region based on the engine...
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7311085 |
Electromagnetic controlled fuel injection apparatus
An electromagnetic controlled fuel injection apparatus is provided in which a housing assembly with two sets each including a solenoid device and an open/close valve device being fixed directly to...
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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...
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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,...
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7263974 |
Fuel injection systems
A fuel injection system for supplying pressurised fuel to a fuel injector ( 200 ) comprises an accumulator volume ( 606 ) for supplying fuel at rail pressure (P 1 ) to the fuel injector ( 200 )...
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7261090 |
Electromagnetic controlled fuel injector
The injector is provided with an electromagnetic opening/closing valve device composed such that a command piston device is provided at an end side of the poppet valve opposite to the solenoid...
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7210639 |
Servo-valve-controlled fuel injector
A fuel injector having an injection valve connected to a high-pressure source and a control valve including a control piston guided in a valve body and comprising a pressure piston section having a...
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7201150 |
Energy-saving high-pressure fuel supply control device for internal combustion engine
In an energy-saving high-pressure fuel supply control device for sucking a low-pressure fuel via a flow rate control valve and supplying high-pressure fuel acquired by pressurizing the sucked fuel...
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7198034 |
Method and system for the direct injection of fuel into an internal combustion engine
A method and system for the direct injection of fuel into an internal combustion engine, according to which a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which...
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7198033 |
Fuel supply system of internal combustion engine
A high-pressure pump is formed with a secondary suction passage, which branches from a fuel suction passage and communicates with a pump chamber. Check valves for preventing a backflow of fuel are...
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7185635 |
High-pressure accumulator for fuel injection systems with integrated pressure control valve
A fuel injection system for internal combustion engines includes a high-pressure accumulator acted on with highly pressurized fuel by a high-pressure delivery unit and in turn supplies fuel to fuel...
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7179060 |
Variable discharge pump with two pumping plungers and shared shuttle member
The present invention relates generally to variable discharge pumps, and specifically pumps used in fuel injection systems. Typically, such pumps include a dedicated spill control valve for each...
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7178510 |
Fuel system
A fuel system for use in an internal combustion engine, the fuel system comprising a source of high pressure fuel for supplying fuel through a single fuel supply path to an injector for injecting...
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7150268 |
Fuel pumping system and method
A fuel pumping system that includes a pump drive is provided. A first pumping element is operatively connected to the pump drive and is operable to generate a first flow of pressurized fuel. A...
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7100579 |
Fuel injection device
Fuel injection equipment is provided which realizes characteristics of fuel injection proper for all over the operation range of an engine, can further reduce nitrogen oxide(NOx) emission, and is...
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7096857 |
System for pressure-modulated shaping of the course of injection
A system for injecting fuel into the combustion chamber of a self-igniting internal combustion engine, has a control unit which acts upon a spring-controlled injection device which includes a...
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7066151 |
Fuel injector with spill chamber
A fuel injection system has a spill chamber fluidly connected between a high pressure side and low pressure side with a spill valve that is synchronized with the control valve. The spill chamber...
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7063077 |
Electromagnetic valve-actuated control module for controlling fluid in injection systems
The invention relates to a control module for fluid control in injection systems, having a valve body ( 2 ) in which valve needles ( 6, 24 ) of control valves ( 5, 17 ) are received. With these...
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7063073 |
Method for the direct injection of fuel into an internal combustion engine
A method for the direct injection of fuel into an internal combustion engine, wherein a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which in turn supplies the...
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7017553 |
Fuel injection device for an internal combustion engine
A fuel injection apparatus having a high-pressure fuel pump and a fuel injection valve for each cylinder of an internal combustion engine, in which fuel pump has two pump pistons driven by the...
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7013877 |
Pressure control valve, especially for high pressure diesel pumps of injection devices of motor vehicles
A pressure control valve for a high-pressure diesel pump of an injection device of a motor vehicle has a valve body and a piezo drive with a tappet securing the valve body in a closed position. The...
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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...
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6994272 |
Injector for high-pressure fuel injection
An injector for high-pressure injection of fuel in self-igniting internal combustion engines includes an actuator valve for opening and closing the injector; a nozzle needle, which in the closed...
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6953025 |
Fuel supply control apparatus for internal combustion engine
By controlling a high pressure pump with the use of a cam angle signal so as to open it and then close it after the lapse of a prescribed period corresponding to an amount of discharge, a fuel...
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