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WO/2005/015003A1 |
The invention relates to a fuel injection device (10) for an internal combustion engine, comprising two valve elements (16, 18), each of which is provided with a hydraulic control surface (32, 34) that is effective in the closing directi...
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WO/2005/010340A1 |
The invention concerns a fuel injection device (1) comprising an injection valve (9); a conduit (5) transporting high pressure fuel to the injection valve (9), when the device is operational; and a regulating valve (41) which regulates t...
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WO/2005/010341A1 |
The invention relates to a fuel injection device (1), comprising an injection valve (9), a pipe (5), for supplying fuel under high pressure to the injection valve (9) in operation and a control valve (41), for controlling the pressure in...
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WO/2005/010342A1 |
The invention relates to a fuel injection device (1) comprising an injection valve (9), a line (5), which supplies fuel under high pressure to the injection valve (9) during operation, a control valve (41), which controls the pressure in...
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WO/2005/008059A1 |
According to the invention, the lower part of a longitudinal housing is embodied as a valve seat element (2b) containing a valve seat part (4). Said valve seat part (4) comprises a valve seat (5) provided with injection openings (6), and...
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WO/2005/003550A1 |
The actuator piston (26), which is moved back and forth by the actuator (18), has a piston surface (86), which delimits the control space (36), and has, on the opposite side, a compensation surface (88) that delimits the compensation spa...
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WO/2005/001280A1 |
The invention relates to a fuel-injection system (1) for an internal combustion engine, comprising: at least one injector (3) for injecting fuel into a combustion chamber of a motor, said injector having a high-pressure connection (10), ...
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WO/2004/111430A1 |
The invention relates to an injector (1) for an internal combustion engine, said injector comprising first and second injection holes (5, 6) in the injector body, which can be controlled by means of a first injector needle (8) and a seco...
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WO/2004/111433A1 |
The invention relates to an injector (1) for an internal combustion engine, particularly in a motor vehicle, comprising a nozzle body (2) having at least one injection hole (3), in addition to an injector needle (5) that is guided in a n...
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WO/2004/111432A1 |
The invention relates to a fuel injection valve and a method for controlling said valve. Said fuel injection valve comprises an injector module (2) having an injector needle and a control module (3) configured in the form of a valve. The...
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WO/2004/111429A1 |
The invention relates to an injector (1) for an internal combustion engine, comprising a nozzle body (2) having at least one injection hole (5) that can be controlled with a first injector needle (8) and at least a second injection hole ...
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WO/2004/111431A1 |
The invention relates to a fuel injection system for internal combustion engines, comprising several fuel injectors, each of which is provided with a high pressure connection and a low pressure connection (2). The low pressure connection...
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WO/2004/109091A1 |
The invention relates to an injection nozzle (1) for an internal combustion engine, comprising a nozzle body (2) which comprises at least one first injection hole (3) and at least one second injection hole (4), a first nozzle needle (7) ...
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WO/2004/106724A1 |
The invention relates to a fuel injector 8, a method for injection of fuel, and a combustion engine with a fuel injector 8. The fuel injector 8 comprises a connection 22 for pressurised fuel 12, an accumulator space 26 for fuel 12, and a...
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WO/2004/104403A1 |
Disclosed is a valve for controlling liquids, comprising a retaining member (31) that is provided with an accommodating space (32) inside which an especially piezoelectric actuator unit and a hydraulic coupling module (34) are arranged. ...
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WO/2004/099603A1 |
The invention relates to a fuel injection valve for intermittently injecting fuel into the combustion chamber of an internal combustion engine. Said valve comprises a membrane (46) which separates the control chamber (48), and thus the h...
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WO/2004/097208A1 |
The invention relates to an actuating unit for actuating the fuel injection valve of an injection system for internal combustion engines. The inventive actuating unit comprises a piezo-electric actuator (1) and a hollow body (4) in the f...
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WO/2004/097210A1 |
The invention relates to a double switch, which is formed from a nozzle body (2) and valve needle (5) and which consists of a seat contact switch (S1) and of a stop switch (S2) that is formed on the valve-side end of the valve needle (5)...
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WO/2004/092570A2 |
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/2004/088125A1 |
The invention relates to a method for preparing for use a fuel injection valve for an internal combustion engine, for example for a system of common rail injectors which is at least partially filled with air at a starting moment and is s...
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WO/2004/088121A1 |
The invention relates to a fuel injector (18) for injecting a fuel into the combustion chamber of an internal combustion engine. The inventive injector comprises a pressure relay valve (3) whose pressure relay piston (4) separates the wo...
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WO/2004/088123A1 |
The invention relates to a piezoelectric actuator (1) comprising a housing (4) consisting of two sleeves (8, 9), the first and second sleeve (8, 9) having different thermal expansion coefficients. The first sleeve (8) comprises a centrin...
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WO/2004/088122A1 |
The invention relates to a fuel injector for injecting a fuel into the combustion chamber (23) of an internal combustion engine. The inventive injector (18) comprises a pressure transmitter (3) whose pressure relay piston (4) separates t...
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WO/2004/085834A1 |
The invention relates to a fuel injection arrangement for internal combustion engines, said arrangement comprising an accumulator for storing fuel under pressure, and at least one stroke-controlled injector which is connected to the accu...
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WO/2004/085832A1 |
The invention relates to a fuel injection valve comprising a valve body (1) containing a borehole (3) which is defined, on the combustion chamber end thereof, by a conical valve seat (13) from which a plurality of injection channels (11)...
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WO/2004/085826A1 |
A common problem in modern common rail injection systems, in particular those with a rapid injection rate, is that undesirable dispersions occur for the quantity of fuel that is to be injected. A fundamental cause is that it is never kno...
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WO/2004/083625A1 |
The electromagnet comprises a magnet coil (64) and a magnet armature (66), and the magnet coil (64) has a coil support (72) and a hollow cylindrical coil winding (70) connected thereto. The coil support (72) is provided in the form of a ...
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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/2004/081365A1 |
A fuel injector has an injector control valve (44) including a control valve member (48) which is movable within a bore (50; 50a, 50b) provided in a control valve housing (46; 86, 88). A valve needle (10; 80) of the injector is movable r...
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WO/2004/081358A2 |
A fueling system (100) for an internal combustion engine (40). The system (100) has a voltage booster (120) and a fuel injector (112). The voltage booster (120) is operatively coupled to the injector (112) to selectively drive the inject...
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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/2004/079180A1 |
The invention relates to a valve for a fuel injector, which is composed of a valve housing, a valve body with a sealing seat for the valve body and of a spring element, which pretensions the valve body into a closing position on the seal...
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WO/2004/076848A1 |
The invention relates to a valve comprising an actuator provided with a lever, a lever and a method for the production of a lever. The lever is used for transferring a deflection of an actuator to a control element, especially in a fuel ...
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WO/2004/074671A1 |
The invention relates to a fuel injection device for injecting fuel into the combustion chamber of an internal combustion engine. The fuel injection device comprises a fuel pump (1) which is used to pump fuel placed under increasing and ...
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WO/2004/074674A1 |
A fuel injector for use in an injector arrangement including a pumping plunger (50), a pump chamber (52) and a spill valve arrangement (40) controlling communication between the pump chamber (52) and a low pressure fuel reservoir. The fu...
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WO/2004/072472A1 |
A control valve arrangement (34) intended particularly for use in a fuel injection system having an accumulator volume (26) for fuel at a first injectable pressure level and pump means (32) for increasing fuel pressure to a second inject...
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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/2004/070194A1 |
Disclosed is a fuel injection device comprising at least one magnetically operated valve (56, 60) which controls fuel injection, is disposed within a housing part (36), and is provided with a magnetic subassembly (62) encompassing a magn...
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WO/2004/070198A1 |
Disclosed is a fuel injection device (24) comprising a housing (30) and a valve element (34) which can be impinged upon by a sealing edge (39) counter to the valve seat area (36) located on the housing side. A fuel discharge duct (38) ex...
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WO/2004/070196A1 |
The invention relates to a method and an injector for determining a position of a second part (10) inside a stepped boring (6). This part should assume an exact distance (H) from a first part (2). In order to determine the distance (H) b...
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WO/2004/070201A1 |
The fuel injection device comprises a fuel high-pressure pump (10) and a fuel injection valve (12), which is connected thereto, for each cylinder of the internal combustion engine. A connection (21) of the pump working chamber (22) to a ...
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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/2004/063550A2 |
A common rail intensifier fuel injection system includes a plurality of fuel injectors respectively associated with cylinders of an internal combustion engine. A common rail supplies fuel at an intensified pressure to the fuel injectors ...
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WO/2004/061290A1 |
A control valve for injectors, in particular for common rail injectors of internal combustion engines acts as a metering device for a high-pressure liquid, especially fuel and is located in an injector body comprising a high-pressure liq...
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WO/2004/061292A1 |
The invention relates to a fuel injection system, comprising a fuel tank (1), a high pressure pump (2), a pressure accumulator (3), a number of fuel injectors (4) and an actuator (6), arranged downstream of the pressure accumulator (3) f...
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WO/2004/057179A1 |
Disclosed is an injector for injecting fuel into a combustion engine, in which especially a piezoelectric actuator unit (2) actuates a servo valve or an injector needle by means of a lifting pin (3). The aim of the invention is to seal t...
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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/2004/051071A1 |
Disclosed is a fuel injection device (1) for internal combustion engines, comprising a control chamber (2) that is connected to a high-pressure end (5), and a control valve (6) which is connected to said control chamber (2) by means of a...
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