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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/2004/001219A1 |
The invention relates to a fuel injection valve for an internal combustion engine, comprising a valve base (1) in which, in a bore (3), a valve hollow needle (5) is disposed so as to be longitudinally displaced. The valve hollow needle (...
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WO/2003/106829A1 |
According to the invention, in an internal combustion engine, the fuel is directly injected from an injector comprising a piezoelectric actuator into a combustion chamber. An electric charge fed (62) to the piezoelectric actuator and/or ...
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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/2003/098028A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a housing (1) provided with a borehole (16) containing a longitudinally displaceable outer valve needle (20) and an inner valve needle (22) which...
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WO/2003/098029A1 |
The invention relates to a fuel injection valve comprising a housing (1) in which a borehole (6) is formed, said borehole being defined by a valve seat (18) on the combustion chamber end thereof. An outer row of injection openings (116) ...
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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/2003/091568A1 |
Disclosed is a fuel injection device comprising a fuel injection valve which is provided with at least one valve element (35) closing at least one injection port. Said valve element is controlled via a servohydraulic valve (131) comprisi...
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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/2003/087562A1 |
The invention relates to a diesel engine comprising a device for controlling the flow of injected fuel with at least one fuel injector supplying a combustion chamber, controlled by a processor provided with means (80) for controlling a s...
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WO/2003/087561A1 |
A method and apparatus for injecting a gaseous fuel into a combustion chamber of an internal combustion engine employs a combination of operating modes. First, one of a low load and a high load mode of operation is selected during the op...
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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/2003/085245A1 |
The invention relates to a fuel injection system for an internal combustion engine, particularly for a diesel engine, comprising at least two cylinders. The fuel injection system comprises at least two actuator units, and at least one ac...
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WO/2003/085246A1 |
The invention relates to a fuel injection system for an internal combustion engine, particularly a diesel engine, comprising at least two cylinders. According to the invention, the fuel injection system comprises at least two actuator el...
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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/2003/081019A1 |
A fuel injection valve for internal combustion engines, comprising a valve body (1) whereby a valve cannula (10) is arranged therein in a bore (3) such that it is longitudinally displaceable. The valve cannula (10) is provided with a lon...
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WO/2003/081018A1 |
The invention relates to a method for operating an internal combustion piston engine wherein fuel is directly injected into a work chamber in the form of a pre-injection and a main injection by means of an injection nozzle provided with ...
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WO/2003/081010A1 |
The invention relates to an internal combustion engine with compression ignition, wherein fuel is injected directly into a working chamber in the form of a pre-injection and main injection by means of an injection nozzle having a plurali...
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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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WO/2003/078822A1 |
An improved interface (303) between a piston (34) and slipper (38) in a high pressure pump and a method for forming the interface (303) are disclosed. The interface (303) includes a spherical surface, a nearly spherical surface and a ban...
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WO/2003/078824A1 |
Disclosed is a fuel injection valve for internal combustion engines, comprising a valve body (3) in which a borehole (8) that is provided with a longitudinal axis (18) is configured. A valve seat (20) is configured at the end of the bore...
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WO/2003/074865A1 |
The invention relates to an installation for injecting fuel into the combustion chamber of a self-igniting combustion engine, comprising a control unit (6, 80) that impinges a spring-controlled injection device (56). Said spring-controll...
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WO/2003/072929A1 |
A fuel injection valve (10) for internal combustion engines comprises an actuator (11), which is actively connected to a valve needle (15) that is guided inside a nozzle body (26), and comprises a valve closing body (27), which is connec...
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WO/2003/071124A1 |
The invention relates to a fuel-injection device comprising a high-pressure fuel pump (10) and a fuel injection valve (12), connected to said pump, for each cylinder of the internal combustion engine. The high-pressure fuel pump (10) com...
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WO/2003/069151A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a housing (1) in which an outer valve needle (20) and an inner valve needle (22), which is guided in said outer valve needle, are arranged in a b...
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WO/2003/069154A1 |
The invention relates to a fuel injection system comprising a high pressure fuel pump (10) and a fuel injection valve (12) connected to said pump, for each cylinder of the internal combustion engine. A pump piston (18) of the high pressu...
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WO/2003/067074A1 |
The invention relates to a method and device (80) for controlling the control valve (22) of a pump-nozzle unit. The positional accuracy of the valve lifts is increased by means of an automatic control, especially an adaptive automatic co...
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WO/2003/067062A1 |
The aim of the invention is to reduce exhaust emission during the staring phase of a direct-injection internal combustion engine. For this purpose, at least one first injection per working cycle takes place when the internal combustion e...
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WO/2003/067070A1 |
The invention relates to a fuel injection device which comprises for every cylinder of the internal combustion engine one high-pressure fuel pump (10) and one fuel injection valve (12) linked therewith. A pump plunger (18) of the high-pr...
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WO/2003/060308A1 |
A fuel injection control device comprises an injection module (10) and control means (40). The injection module (10) injects fuel by the reciprocating motion of a plunger (21), and the control means (40) controls synchronous injection wi...
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WO/2003/056167A1 |
The invention relates to a fuel injection system with a housing (2), in which a pump piston (16) is arranged to move longitudinally, which forces fuel from a pump working chamber (18) into a pressure chamber (41). An outer valve needle (...
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WO/2003/054379A1 |
The invention relates to a pump jet unit for the introduction of fuel (10) into the combustion chamber (12) of an internal combustion engine. According to the invention, a defined control of the injection process and the injection pressu...
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WO/2003/054374A1 |
The invention relates to a fuel-injection device comprising a high-pressure fuel pump (10) for each cylinder of the internal combustion engine. Said pump has a working chamber (22) and a fuel-injection valve (12) connected to the latter....
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WO/2003/054384A1 |
An injector (26) for internal combustion engines with direct injection comprises a housing (34), provided with a cavity (40) and at least one fuel outlet (46). A valve element (42) is located in the cavity (40) and comprises a conical an...
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WO/2003/052259A1 |
The inventive fuel injection device comprises a high pressure fuel pump (10) for each cylinder of a combustion engine, encompassing a pump working chamber (22) and a fuel injection valve (12) connected thereto. A first control valve (23)...
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WO/2003/050408A1 |
The invention relates to a fuel-injection device comprising a high-pressure fuel pump (10) for each cylinder of the internal combustion engine and a fuel-injection valve (12) that is connected to each cylinder. A pump plunger (18) of the...
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WO/2003/044359A1 |
A unit fuel injector (50), the injector (50) internally preparing fuel during an injection event at a pressure sufficient for injection by means of an intensifier (84) driven by a pressurized nonâfuel actuating fluid selectively ported...
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WO/2003/044358A1 |
A dual fuel injection valve separately and independently injects two different fuels into a combustion chamber of an internal combustion engine. A first fuel is delivered to the injection valve at injection pressure and a second fuel is ...
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WO/2003/040543A1 |
The invention relates to a fuel injection valve comprising a valve body (1) inside of which an outer valve needle (5) and an inner needle (7), which is guided inside the outer valve needle (5), are situated inside a boring (3). The valve...
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WO/2003/040538A1 |
The invention relates to a method for directly injecting fuel into a combustion chamber (2) of an internal combustion engine. According to the invention, the fuel injection system (1) comprises a fuel injection valve (12) that, during an...
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WO/2003/040546A1 |
The invention concerns an injector for high-pressure fuel injection for auto-ignition internal combustion engines, comprising a hollow body (1) provided at one of its ends a valve seat (2) and at least an injection orifice (3). The inven...
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WO/2003/033903A1 |
The invention is intended to provide a fuel injection device capable of reducing NOx in exhaust gases while satisfactorily maintaining the fuel consumption rate, and also provide a diesel engine having the same. This fuel injection devic...
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WO/2003/031802A1 |
The invention relates to a fuel injection device (1) for internal combustion engines, comprising several injection valves (4), each arranged in a fuel injection line (3). Each injection valve comprises an injection chamber (13), a contro...
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WO/2003/027490A1 |
The fuel injection device comprises a fuel injection valve (12) with an injection valve member (34), by means of which at least one injection opening (36) is controlled. The injection valve member (34) is pressurised by the pressure in a...
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WO/2003/027473A1 |
The invention relates to a method for avoiding an internal coking of an injection hole for injection holes in a multi-hole injection valve (9) on a direct injection internal combustion engine (1), in particular on a motor vehicle. Inject...
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WO/2003/027481A1 |
The invention relates to a fuel injection device comprising a fuel injection valve (12) with an injection valve member (34), by means of which at least one injection opening (36) is controlled. Said injection valve member (34) is impinge...
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