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WO/2004/040122A1 |
A high flow rate fuel valve and a fuel supply pump with the valve that are suitable for an accumulated pressure-type fuel injection device (APCRS) that intensifies the pressure of a large amount of fuel using a piston. In a fuel supply p...
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WO/2004/040118A1 |
The invention relates to a fuel injection system for an internal combustion engine comprising a fuel injector (10), which can be supplied with fuel by a fuel high-pressure source (1, 4). Said fuel injector has an injection valve element ...
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WO/2004/036027A1 |
The invention relates to a fuel injection device (1) comprising a multi-piece injector member (4; 8, 9, 10) which accommodates a pressure booster (11). Said pressure booster (11) can be actuated via a differential pressure chamber (17) a...
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WO/2004/036030A1 |
The invention relates to a fuel injection device (1) for internal combustion engines comprising a fuel injector (26) that can be impinged upon by a high-pressure fuel source (2, 43). Said fuel injection device (1) is provided with a pres...
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WO/2004/033893A1 |
The invention relates to a fuel injection device comprising a pressure intensifier (30) which is arranged between a high-pressure accumulator chamber (8) and a jet chamber (48). The high-pressure chamber (34) is connected by a pressure l...
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WO2003046344A9 |
A method and a device for fuel injection in a supercharged four-stroke combustion engine of piston-and-cylinder type with compression ignition (1), whereby a controlled fuel quantity is supplied to the combustion chamber (2) for each wor...
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WO/2004/031572A1 |
Disclosed is a glow member, preferably in the shape of a ring, to assist ignition and combustion of a fuel used in an internal combustion engine. A fuel injection valve injects a plurality of fuel jets directly into a combustion chamber ...
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WO/2004/027252A1 |
The invention relates to a pump/nozzle unit for delivering fuel (10) into a combustion chamber (12) of an internal combustion engine, comprising a fuel pump (14-22), which can be controlled and/or regulated and which has a control valve ...
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WO/2004/022930A1 |
The invention relates to a roller tappet (19) for a valve gear or an injection device of an internal combustion engine. Said tappet comprises a rotatably mounted roller (27), on which a cam contour of a camshaft acts and a hollow tappet ...
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WO/2004/020817A1 |
A fuel injection device (3) in an internal combustion engine, comprising the following elements according to the number of cylinders: at least one local pump element (1) of a pump unit associated with each injector (2) or a pump line noz...
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WO/2004/020813A1 |
An electromechanical fuel injector for an internal combustion engine. The fuel injector includes a pump unit and a control valve assembly in communication with the pump unit. The control valve assembly including a body and a stator. The ...
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WO/2004/018866A1 |
The fuel injection device is provided with a high-pressure fuel pump (10) with a pump working chamber (22) and a fuel injection valve (12) connected thereto for each cylinder of the internal combustion engine. An electrically actuated co...
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WO/2004/016944A1 |
The invention relates to a throttle plate in which, rather than the provision of a throttle bore, a number of recesses in the form of troughs (12, 14, 16) are preferably provided that define the flow-limiting opening cross-section when t...
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WO/2004/016942A1 |
The invention relates to a device for transmitting a displacement of an actuator to a setting element. Said device comprises two pistons (6, 7) that delimit two transmission chambers (10, 11) and a compensation chamber (22) with a housin...
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WO/2004/016935A1 |
The invention relates to a fuel injection device comprising a high-pressure fuel pump (10) and a fuel-injection valve (12) for a cylinder of the internal combustion engine. Said high-pressure fuel pump (10) has a working chamber (22) and...
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WO/2004/016936A1 |
The invention relates to a fuel injector in an injection arrangement for internal combustion engines comprising a valve body (2). Said fuel injector comprises a pressure-relievable control chamber (19) which is impinged by fuel via an in...
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WO/2004/016938A1 |
Disclosed is a fuel injection device comprising a high-pressure fuel pump (10) and a fuel injection valve (12) that is connected thereto and is provided for each cylinder of the internal combustion engine. Said high-pressure fuel pump (1...
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WO/2004/011794A2 |
A unitary fuel injector and nozzle assembly comprising a high-pressure piston pump and a cylinder body that defines a high-pressure fuel pump chamber. An injector nozzle assembly is in fluid communication with the pump chamber and is h...
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WO/2004/007084A1 |
Fluid (104) in a chamber (102,142), through which a fuel control armature (86,124) is moving, is used to dampen armature vibrations. This dampening effect is achieved by forming a passage (114) through which the fluid (104)flows as the a...
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WO/2004/007934A1 |
A control method for a fuel injection system having a spill valve (20), a nozzle control valve (22) and a valve needle (12) which is engageable with a seating to control fuel injection, wherein the method comprises applying a first drive...
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WO/2004/007943A1 |
An electromagnetic actuator for a control valve module in an engine fuel injector, the module being a replaceable, independent element of the injector. The actuator has a stator with electromagnetic coil windings on a bobbin located with...
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WO/2004/007945A1 |
A fuel injection device (1) is formed such that high-pressure fuel from a common rail (2) is supplied to an injector (8) through a pressure-intensifying device (4). The device determines whether or not fuel in the common rail (2) require...
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WO/2004/007947A1 |
A fuel injection apparatus capable of injecting fuel by very high pressure, provides excellent combustion and exhaust characteristics, and provides fuel injection at a desired fuel injection pattern. In a fuel injection apparatus (30), a...
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WO/2004/005700A1 |
A fuel injection system comprising an accumulator volume (10) arranged to be charged with fuel by means of a high pressure fuel pump (12) and for supplying fuel at a first injectable pressure level to a plurality of fuel injectors (22), ...
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WO/2004/003375A1 |
The invention relates to a fuel injection device for injecting fuel into the combustion chambers (7) of an internal combustion engine. The fuel injection device comprises a high-pressure accumulator chamber (2), a pressure intensifier (5...
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WO/2004/003374A1 |
The invention relates to a fuel injection system for internal combustion engines. A fuel injector (1) is supplied with fuel by means of a high-pressure fuel source (2, 81). A booster (5) is disposed between an injection valve (6) and the...
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WO/2004/003373A1 |
The invention relates to a device for injecting fuel into a combustion chamber (41) of an internal combustion engine, said device comprising an injection body (5, 6) which receives an injection valve member (34) that can be actuated by s...
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WO/2004/003376A1 |
The invention relates to a device for injecting fuel into the combustion chamber (7) of an internal combustion engine. The device for injecting fuel comprises a high-pressure accumulator chamber (2) (common rail), a booster (5) and a met...
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WO/2004/003377A1 |
The invention relates to a device for injecting fuel into a combustion chamber (7)of an internal combustion engine. Said device comprises a fuel injector (1) which can be supplied with fuel under high pressure by means of a high pressure...
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WO/2004/003378A1 |
The invention relates to a device for injecting fuel into the combustion chamber (7) of an internal combustion engine. The device for injecting fuel comprises a high-pressure accumulator chamber (2), a booster (5) and a metering valve (6...
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WO/2004/001265A1 |
An actuator rail assembly (12) for conveying an actuating fluid under pressure to at least one fuel injector includes an elongate fluid passageway (18) being defined in a rail (12). A fluid inlet port is in fluid communication with the f...
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WO/2003/106836A1 |
The invention relates to a unit injector system for supplying fuel (10; 100) to a combustion chamber (12; 120) of an internal combustion engine. The aim of the invention is to permit the injection behaviour and the injection pressure to ...
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WO/2003/104633A1 |
The invention relates to a method and a device for measuring the time period required by the valve needle (50) of a control valve (21) of a piezo unit injector system to move from a first end position (64) into a second end position (65)...
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WO/2003/100245A1 |
A fluid capable of generating pressure waves circulates inside a high-pressure fluid circuit. Said pressure waves can generate pressure peaks which can damage the high-pressure fluid circuit. According to the invention, a pressure wave a...
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WO/2003/093670A1 |
The invention relates to, in particular, a fuel injection valve (1) and to a method for injecting fuel into a combustion chamber (5) of an internal combustion engine. According to the invention, a mechanical positive-control valve gear (...
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WO/2003/093668A1 |
A fuel system for use in an internal combustion engine, particularly of the type provided with an after treatment device for reducing emissions levels, comprises a fuel pump (10) having a pumping cycle during which fuel is pressurized to...
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WO/2003/093671A2 |
A fuel injection system for supplying pressurised fuel to a fuel injector (50), the fuel injection system comprising an accumulator volume (59) for supplying fuel at a first injectable pressure level (P1) to the fuel injector (50) throug...
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WO/2003/091566A1 |
The fuel injection system according to the invention comprises a nozzle (2) with an inlet and a needle (15). A control piston (16) forms a control chamber (17) and abuts the needle such that a higher pressure in the control chamber urges...
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WO/2003/089783A1 |
A nozzle assembly for a fuel injector having a needle valve (108) for controlling an injector valve orifice, the needle valve (108) being subjected to a spring force and a fluid pressure force. The needle valve (108) registers with a fue...
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WO/2003/089784A2 |
A high energy inductive coil-per-plug ignition system operating at a higher voltage Vc than battery voltage Vb by use of boost-type power converter (1), using high energy density low inductance coils Ti which are further improved by part...
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WO/2003/089785A2 |
An improved ignition-engine system for internal combustion engines comprising a compact combustion chamber in the cylinder head and two main squish zones (101 a, 101 b) for producing high flow and turbulence, and at least one minor squis...
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WO2001098643A9 |
A combustion enhancement system that enhances combustion by providing enriched with hydrogen-enriched fuel to a combustion region, and igniting the combustible hydrogen-enriched fuel by one or more ignitor is disclosed. The ignitor inclu...
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WO/2003/087566A1 |
A known control valve, especially for controlling a piston of a pressure intensifier (9) of an injection device for internal combustion engines is already known per se. Said control valve comprises a control valve housing (1), fluid line...
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WO/2003/083282A1 |
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage (12), said at least one capillary flow passage (12) having an inlet end (14) and an out...
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WO/2003/083281A1 |
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage (12) , the at least one capillary flow passage (12) having an inlet end (14) and an out...
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WO/2003/083284A1 |
The invention relates to a fuel injection valve (1) with integrated ignition plug (2), which comprises a fuel injection valve (1) for directly injecting fuel into a combustion chamber of an internal combustion engine, and an ignition plu...
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WO/2003/083278A1 |
In order to close the piezo-control valve (22) of a pump-nozzle unit, the piezo-actuator (76) is controlled by means of at least one first current pulse (I1) and a second current pulse (I2) occurring at a specific time duration therefrom...
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WO/2003/081025A1 |
A fuel injection system for an internal combustion engine comprises a nozzle (2) with an inlet and a cam-driven plunger (5) forming a plunger chamber (7) which is connected to the inlet of the nozzle. The injection sysstem also comprises...
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WO/2003/081014A2 |
A fuel injection system (18) is calibrated as an assembled system. The fuel injection system (18) includes a unit pump (10) a cam follower (24), a joined fuel injection line (14) and injection nozzle (16). The fuel injection system (18) ...
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WO/2003/081007A1 |
The aim of the invention is to be able to detect the moment of impact of the valve needle (48) pertaining to a piezo control valve (22) of a pump-nozzle unit, when the piezo control valve (22) is closed and/or opened. To this end, the pi...
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