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WO/2004/083621A1 |
The invention relates to a method for controlling an injection operation and an injection valve comprising a hollow needle and a needle that is guided in the latter, said needles being allocated to two different seal seats in a nozzle bo...
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WO/2004/083624A1 |
The fuel injection device comprises a fuel high-pressure pump (10) and a fuel injection valve (12) for a cylinder of a combustion engine. The fuel high-pressure pump (10) has a pump working space (22), and the fuel injection valve (12) h...
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WO/2004/079183A1 |
A fuel injection system (10) having an accumulator (24) includes an accumulator fill valve assembly (20) that regulates pressure within the accumulator (24) for operation of injection events other than the main injection. A restriction (...
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WO/2004/079181A1 |
The invention relates to a fuel injection valve comprising two injection valve members (28, 128), a second injection valve member (128) being displaceably guided in a hollow first injection valve member (28). The first injection valve me...
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WO/2004/074677A1 |
The invention relates to an injector for injecting fuel, comprising an injector needle (2) which is arranged in the injector body (3). A sealing system is formed on a first sealing seat (5) and on a second sealing seat (6) between the in...
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WO/2004/072470A1 |
High pressure post injection using only one valve is accomplished by fluidly connecting the control valve (76) in a fuel injection pump system (50) to the upper nozzle chamber (70) of a fuel injector (60), and connecting the upper nozzle...
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WO/2004/070192A1 |
Disclosed is a fuel injection valve for internal combustion engines, comprising an outer valve needle (20) and an inner valve needle (22) that is guided therein. The outer valve needle (20) and the inner valve needle (22) can be actuated...
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WO/2004/070191A1 |
The invention relates to a fuel-injection device (24) comprising a housing (30), in addition to an external valve element (42) with a cavity (64). An internal valve element (44), which comprises at least one sealing section (70) that co-...
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WO/2004/067966A1 |
A pumping system for a fuel injection system includes a pump body defining a pumping chamber (16), a high pressure outlet, a high pressure fluid line (18) connecting the pumping plunger to the outlet and a variable valve restriction arra...
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WO/2004/065782A1 |
A fuel injector (10) for vaporizing a liquid fuel for use in an internal combustion engine (2110). The fuel injector includes at least one capillary flow passage (12), a heat source (20) arranged along the at least one capillary flow pas...
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WO/2004/063553A1 |
A fuel injection device (24), comprising a housing (30), at least one outer valve element (34) and at least one inner valve element (42) which is guided at least partially in a fluid-tight manner in the outer valve element (34). Both ele...
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WO/2004/057176A1 |
The invention relates to a piezoelectrically controlled pump-nozzle unit (10) for supplying fuel (12) into a combustion chamber (14) of an internal combustion engine. Said pump-nozzle unit (10) is embodied in such a way that a pre-inject...
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WO/2004/057180A1 |
The invention relates to a fuel injection valve, comprising a valve body (1) in which a drilling (2) is embodied, defined at one end by a valve seat (11) from which at least one injection channel (14) exits. A valve needle (7) is arrange...
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WO/2004/057181A1 |
The invention relates to a method for regulating the nozzle opening pressure of a pump-nozzle unit (10) for supplying fuel (12) into a combustion chamber (14) of an internal combustion engine. Said pump-nozzle unit (10) comprises: a fuel...
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WO/2004/057177A1 |
The invention relates to a fuel-injection device comprising a respective high-pressure fuel pump (10) and a fuel-injection valve (12), connected to the latter, for each cylinder of the internal combustion engine. Said high-pressure fuel ...
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WO/2004/055356A1 |
The invention relates to a fuel injector (5) on injection units for internal combustion engines, comprising a nozzle holder combination, with an injector nozzle, whereby the injection nozzle includes a nozzle needle (5.1), tensioned by a...
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WO/2004/046540A1 |
A piezoelectric injector with a directly-actuated compound nozzle needle (5) for fuel injection in an internal combustion engine is disclosed. Both nozzle needles (15, 17) of the compound nozzle needle (5) are operated for opening the in...
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WO/2004/044414A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a valve body (1), with a drilling (3) embodied therein and defined at the combustion chamber end thereof by a conical valve seat (18) from which ...
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WO/2004/044415A1 |
Disclosed is a fuel injection valve for internal combustion engines, comprising a valve member (1) within which a bore (5) is configured. The end of said bore (5), which faces the combustion chamber, is delimited by a valve seat (18) whi...
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WO2004031551A9 |
Disclosed is a method and apparatus to create an environment within a combustion chamber of an internal combustion engine suitable for auto-ignition and combustion of a fuel that will not otherwise auto-ignite. Underhigh load conditions ...
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WO/2004/042217A1 |
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...
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WO/2004/040121A1 |
A fuel supply pump with a large fuel discharge amount and a tappet structure body that are suitably used for a accumulated pressure-type fuel injection device that mechanically intensifies pressure. In a tappet structure body with a pass...
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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/2004/036026A1 |
A fuel injection device (22) for an internal combustion engine comprising a housing (30) and at least one valve element (34, 36). Said valve element cooperates with a valve seat (46, 58) on an injection end of the housing (30). Several h...
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WO/2004/033891A1 |
The invention relates to a fuel injection device (22) for an internal combustion engine, comprising a housing (30, 32). Said housing comprises a cavity (34) containing two valve elements (36, 40) which are arranged in a coaxial manner in...
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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/2004/033890A1 |
The invention relates to a fuel injection device (22) for an internal combustion engine, comprising a housing (34, 36, 38). Said housing (34, 36, 38) comprises a recess (40) containing two valve elements (42, 44) which are arranged in a ...
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WO/2004/031546A2 |
A method and apparatus for regenerating a lean NOx adsorber is disclosed where the NOx adsorber isused to treat exhaust gases created during the combustion of gaseous fuels in general. A bypass line isused to maintain a target regenerati...
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WO/2004/027237A2 |
The invention relates to two methods for forming a fuel/air mixture of a direct-injection internal combustion engine having spark ignition. The first method provides that, during a homogeneous operation of the internal combustion engine,...
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WO/2004/027239A1 |
The invention relates to a method for operating an internal combustion engine comprising an injection device. According to the inventive method, combustion air is fed to a combustion chamber via an inlet duct, fuel is injected into the c...
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WO/2004/022957A1 |
The invention relates to a method for operating an internal combustion engine (10) comprising at least one injection valve (30) to which a piezoelectric actuator (58) that is impinged upon by a triggering signal of a control device (34) ...
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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/2004/018865A1 |
The invention relates to a valve (1) for controlling liquids, said valve comprising a valve chamber (14) which can be connected to a high-pressure region (2) according to the position of a valve closing member (11) that can be controlled...
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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/2004/016935A1 |
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/2004/016927A1 |
The invention relates to a device and method for controlling an actuator, especially a piezo actuator which is sued to control the injection of fuel into an internal combustion engine. The voltage value at which the actuator is impinged ...
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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/2004/007934A1 |
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/2004/007946A1 |
A fuel injection method in a fuel injector with an accumulator and a booster capable of realizing excellent combustion and exhaust characteristics and injecting fuel in any fuel injection pattern to increase the degree of freedom of the ...
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WO/2004/007944A1 |
The invention relates to a method for forming a fuel/air mixture of a direct-injection internal combustion engine. According to said method, a closing body of the fuel injection nozzle is displaced from a closed position into an operatin...
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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/2004/005702A1 |
A control valve arrangement for use in controlling fuel pressure within a control chamber (30) includes a control valve member (32) which is movable between a first position in which the control chamber (30) communicates with a source of...
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WO/2004/005699A1 |
The invention relates to an injector (11) for an injection system which can be used for injecting fuel in the cylinder of an internal combustion engine. A similar injection system is known as an injection common rail system. A pressure d...
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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/2004/005704A1 |
A method for the production of a module with a moving insert for an injection valve is disclosed, whereby the insert is arranged such as to move within the module and the module and the insert comprise contact surfaces on a common side. ...
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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/2004/003376A1 |
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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