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WO/2009/033304A1 |
The invention relates to an injection device for injecting high-pressure fuel into the combustion chamber of an internal combustion engine, said device comprising an injection valve assigned to a discrete reservoir chamber (68). A non-re...
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WO/2009/024447A1 |
The invention relates to an injection system for an internal combustion engine, having a prefeed pump (12) for feeding fuel from a fuel tank (10), having a high-pressure pump (14), which is situated downstream of the prefeed pump (12), f...
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WO/2009/024621A1 |
The invention relates to a fuel-injection system for an internal combustion engine having a high-pressure pump (14) for conveying fuel from a fuel tank (10), at least one first injector (18a), and at least one further injector (18b, 18c,...
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WO/2009/021821A1 |
The invention relates to a plug module (24, 124) for being received in an attachment component (10), which must be contacted at least electrically, particularly a fuel injector for installation in the cylinder head region of an internal ...
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WO/2009/021863A1 |
The invention relates to a fuel injection system for an internal combustion engine, having a high-pressure fuel pump which comprises at least one pump element (8,9) by means of which the fuel is sucked in from a low-pressure region (14),...
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WO/2009/021884A1 |
The invention relates to a high-pressure fuel pump (10), comprising a working chamber (34), which is connected to a low-pressure chamber (26) via an intake valve (22), fuel (28) being suctioned from said low-pressure chamber into the wor...
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WO/2009/020536A1 |
Embodiments include a fuel rail and method for making the fuel rail. Embodiments of the fuel rail include an elongate lining having a surface defining a lumen, a pressure port having a lumen in fluid communication with the lumen of the e...
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WO/2009/015948A1 |
The present invention relates to a fuel injection system for the direct injection of fuel into a combustion chamber (2) of an internal combustion engine, comprising at least one fuel injection valve (3), which is arranged on a cylinder h...
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WO/2009/017883A2 |
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WO/2009/013070A1 |
The invention relates to a high-pressure accumulator body (10) for a high-pressure injection system for fuel into internal combustion engines. The high-pressure accumulator body (10) comprises a plurality of high-pressure connections (28...
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WO/2009/013059A1 |
Internal combustion engine having a plurality of cylinders which are combined to form at least two cylinder banks (B1, B2), wherein fuel can be injected by means of injectors (I1-I8) into combustion chambers of the cylinders, and wherein...
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WO/2009/008281A1 |
[PROBLEMS] To provide a steel tube for fuel injection tube that has a high material strength, being high in the limit internal pressure causing no fatigue fracture and that ensures a prolonged fatigue life and high reliability. [MEANS FO...
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WO/2009/003717A1 |
The application relates to a connector (11) for connecting at least a portion of a double-wall tubing (9) to a high-pressure line (4) and a fuel system having a high pressure line (4), a double wall tubing (9) and connector for coupling ...
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WO/2009/002352A1 |
A method of starting an engine having a fuel rail, one or more fuel injectors, and one or more spark plugs. In one embodiment, the method includes initializing a starting operation of the engine and suppressing the engine from starting b...
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WO/2009/000991A2 |
The invention relates to a system for injecting fuel into the cylinders of an internal combustion engine (1), comprising at least one injector (11) per cylinder, characterised in that it comprises upstream from the injector(s) on the fue...
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WO/2008/156387A1 |
The invention relates to an internal combustion engine with a fuel injection system. The injection system comprises a source (1) of pressurized fuel positioned outside an oil-wetted space (2) of an engine (4) and a fuel injector (5) posi...
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WO/2008/148709A1 |
Adjusting and filter arrangement (11) for an injection valve (10) and injection valve (10). The injection valve (10) comprises a housing (12) including a central longitudinal axis (L), the housing (12) comprising a cavity (23,24,25,26,28...
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WO/2008/150567A1 |
An engine (50) includes a fuel delivery system (56) having a fuel rail (80) and fuel delivery devices (59), such as fuel injectors, that deliver fuel to corresponding cylinder assemblies (60). The use of the fuel rail and fuel injectors ...
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WO/2008/145818A2 |
A fuel storage or rail (12) in a fuel feed system of a piston engine comprising a body (20) defining a fuel space (21) for pressurised fuel, and at least one channel (22) that opens into the fuel space (21). At the orifice (25) of the ch...
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WO/2008/145515A1 |
The invention relates to a fuel injector (132) for injecting fuel into a combustion chamber of an internal combustion machine. The fuel injector (132) comprises an injection valve member (140), a nozzle chamber (144) connected to a high-...
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WO/2008/142259A2 |
The device for attaching a tube (1) to a fitted connection of a common rail, particularly in a fuel injection system, comprises, on the one hand, a ring resting on a collar (2) situated at the end of the said tube (1), and, on the other ...
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WO/2008/138467A1 |
The invention relates to a cold forming method for mounting a connecting element on an end of a high-pressure line by means of a tool used for introducing an axial force (11) into said end of the high-pressure pipe that is made of a high...
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WO/2008/134160A1 |
An engine includes a fuel rail (79) and fuel delivery devices (59), such as fuel injectors, that deliver fuel to corresponding cylinder assemblies (60). The use of the fuel rail and fuel, injectors allows unused fuel to be purged from th...
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WO/2008/128881A1 |
The invention relates to an area of intersection between a high-pressure chamber (12, 13) and a high-pressure duct (16). The area of intersection according to the invention is characterized by at least one planar area (19) or an area tha...
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WO/2008/126942A1 |
Provided is a fuel injection device (31) comprising an EHD atomizer (32). This EHD atomizer (32) includes a cylindrical member (33), and a thin tube (34) attached to the leading end of the cylindrical member (33). The cylindrical member ...
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WO/2008/126842A1 |
A fuel supply device has two fuel injection systems having delivery pipes (12A, 12B) and fuel injection valves (16), and also has a pulsation damper (20). The fuel injection valves (16) are intermittently opened while fuel is sent under ...
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WO/2008/122722A2 |
The invention relates to a device for collecting fuel leaks on the supply pipes of an interface, such as a fuel injection system for a thermal engine, wherein each supply pipe (1) includes at each end a nut (2) for attaching it in positi...
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WO/2008/119840A1 |
The invention relates to a method for configuring a high-pressure channel arrangement (10) in a body (12), comprising the steps of providing the body (12) comprising a first fluid channel (14) and a second fluid channel (16), wherein the...
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WO/2008/115462A2 |
Vapor reducing structure (25) is constructed and arranged to be associated with a fuel pressure regulator (18') of a fuel system (10') of a vehicle. The pressure regulator has an outlet (28) for fuel that is in excess of fuel required by...
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WO/2008/113776A1 |
The invention relates to a pressure control valve (20), particularly for a high-pressure accumulator body (72) of a fuel injection system. The pressure control valve (20) comprises a housing (22), an armature assembly (32) having an arma...
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WO/2008/110406A1 |
The invention relates to a fuel injector comprising an injector housing (6) having a pressure chamber (15) from which fuel subjected to a high pressure is injected into a combustion chamber of an internal combustion engine when the press...
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WO/2008/107222A1 |
The invention relates to a plastic molded pipe (40), in particular for fuel-conducting return lines in injection systems for internal combustion engines. Said pipe comprises an inner pipe (42) and an outer encapsulation (12, 44) made of ...
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WO/2008/106911A1 |
The invention relates to a method for the production of a high-pressure accumulator pipe as a composite pipe made of steel for pressures up 1800 bar and above and having high static stability and endurance strength for fuel injection sys...
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WO/2008/104421A1 |
The invention relates to a fuel injector (10) comprising a holding body (12) and a nozzle body (22) and additional components supplied with fluid. The fuel injector (10) is configured substantially as a screw assembly and includes a nozz...
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WO/2008/101748A1 |
The invention relates to an injector (1) for injecting fuel into combustion chambers (7) of internal combustion engines, in particular a common-rail injector, having an injector body (18), which holds an actuator (20), with a high-pressu...
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WO/2008/101782A1 |
The invention relates to a fuel injection valve for fuel injection in internal combustion engines, comprising a housing (1) in which a control chamber (14) is formed, wherein the fuel injection occurs as a function of the pressure in the...
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WO/2008/095674A1 |
The invention relates to a valve (16), in which a fluid inlet opening provided in a valve housing (1) is connected to a fluid outlet opening (3) downstream of the fluid inlet opening by a fluid passage (2) and with a valve closing body (...
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WO/2008/087052A1 |
Proposed is a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine. The fuel injector has a housing (10) in which are arranged an injection valve element with a nozzle needle, a pressure boosting de...
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WO/2008/088993A1 |
The present invention is directed towards a vehicular fuel delivery system. In accordance with one exemplary embodiment of the invention, the fuel delivery system includes a fuel rail having at least one feed, and at least one fuel injec...
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WO/2008/077904A1 |
Injection system for an internal combustion engine, having at least one injector (18) which is coupled to a fuel accumulator (16), a prefeed pump (12) for delivering fuel from a fuel tank (10), a high-pressure pump (14) which is arranged...
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WO/2008/078173A1 |
An internal combustion engine includes a low-pressure fuel feed, system (81) that feeds low-pressure fuel pressurized by a feed pump (84) to first delivery pipes (64, 65) through a low-pressure fuel feed pipe (85), first injectors (62, 6...
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WO/2008/075668A1 |
A fuel supply device having a main path, a fuel pump, a first return path, a second return path, a valve mechanism, a first pressure regulator, and a second pressure regulator. The fuel pump is provided inside or near a fuel tank and pre...
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WO/2008/073515A1 |
The present invention is directed to a fluid conduit assembly (10). The fluid conduit assembly includes a fluid conduit (12) having an inlet (24), at least one outlet (26) and a fluid flow passageway (28) therebetween configured to allow...
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WO/2008/066651A1 |
A valve actuation system (200) for a combustion engine (104) is provided. The valve actuation system may have an engine valve (204) movable between first and second spaced apart end positions. The valve actuation system may also have a f...
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WO/2008/064970A1 |
The invention relates to a strip for damping vibrations (1) for injection pipes (2) of an internal combustion engine, particularly a diesel engine, characterized in that the strip (1) comprises means (10, 100) of attachment to the pipes ...
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WO/2008/064941A1 |
A fuel injection valve (1), in particular for the direct injection of fuel into a combustion chamber (18) of an internal combustion engine, has a nozzle body (11) which can be inserted into a recess (9) of a cylinder head (2), a valve ho...
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WO/2008/061842A1 |
The invention relates to a fuel injector (1) for an internal combustion engine having a control chamber (2) connected to a high-pressure side (5). The pressure of the control chamber controls the movement of an injector needle (3). The i...
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WO/2008/061538A1 |
A sealing arrangement in a hydraulic high-pressure system has, adjoining a pressure space, a sealing cone (6) which projects into a sealing taper (7), and an annular gap (14) which is situated between the sealing taper and sealing cone a...
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WO/2008/062584A1 |
A fuel supply system (11) in which a check valve (412) is provided in a low pressure delivery communication pipe (410) and a check valve (422) in a pump supply pipe (420). The check valve (412) does not allow fuel to flow from the low pr...
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WO/2008/057030A1 |
The present invention relates to a device for connecting a high-pressure line (7) to a cylindrical accumulator tank (8). The device comprises a fastening means (9) fastened to one end of the high-pressure line (7), a connecting means (10...
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