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WO/2003/023212A1 |
According to the invention, the current guided to the piezo actuator and the voltage which is consequently established thereon is used for calculating with the help of a non-linear actuator model, the characteristics of the longitudinal ...
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WO/2003/018990A2 |
The fuel injection device is provided - for each cylinder of the internal combustion engine with a high-pressure fuel pump (10) with a working pumping chamber (22) and a fuel injection valve (12) connected thereto.The fuel injection valv...
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WO/2003/019000A1 |
The invention relates to a fuel injection device (1) for internal combustion engines, comprising several injection valves (5) arranged respectively in a fuel injection line (4). Each injection valve (5) comprises an injection chamber (12...
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WO/2003/018995A1 |
The invention relates to a fuel-injection device (1) for internal combustion engines, comprising several fuel injectors (5), each mounted in a fuel-injection tubing (4). Each fuel injector (5) comprises a nozzle chamber (12) and a pilot ...
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WO/2003/018991A1 |
The fuel injection device is provided - for each cylinder of the internal combustion engine with a high-pressure fuel pump (10) with a working pumping chamber (22) and a fuel injection valve (12) connected thereto.The fuel injection valv...
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WO/2003/010428A1 |
A cylinder direct injection type internal combustion engine directly injecting fuel in a cylinder (104) and igniting the fuel−air mixture formed in the cylinder, wherein an advance spray with high fuel flow velocity (105) and a main sp...
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WO/2003/006816A1 |
The invention relates to a fuel injection valve comprising a housing (1) in which an outer valve needle (10) is situated inside a boring (9) and interacts with a valve seat (23) in order to control at least one injection opening (20). A ...
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WO/2003/004857A1 |
The invention relates to an injector for injecting fuel into the combustion chamber of an internal combustion engine. A control space (21) is provided inside an injector housing (1) and controls a nozzle needle in order to close or open ...
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WO/2003/004856A1 |
The invention relates to a fuel injector for injecting fuel into the combustion chamber of an internal combustion engine. A multi-way valve (18) is accommodated inside the injector body (2) and comprises a valve body (20) enclosed by a v...
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WO/2003/001052A1 |
The invention relates to a fuel injection valve (1) comprising a solenoid (10), which interacts with an armature (20) acted upon by a return spring (23). Said armature, together with a valve needle (3) forms an axially displaceable valve...
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WO/2002/103197A1 |
The fuel injection device comprises a fuel high pressure pump (10) and a fuel injection valve (12) for a cylinder of the internal combustion engine. The high pressure pump (10) has a pump working chamber (22) and the fuel injection valve...
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WO/2002/099268A1 |
The invention relates to a fuel injection device comprising a pressure amplifier. The pressure amplifier comprises a moving piston (24), for compressing the fuel for supply to an injector in a high-pressure side pressure amplification ch...
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WO/2002/097258A1 |
The invention relates to an injector for injecting fuel into the combustion chambers of an internal combustion engine. An injector body (20) is provided with a control chamber (4) which accommodates a spring element (45). An injector nee...
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WO/2002/092991A1 |
The invention relates to an electromagnetic valve for controlling an injection valve of an internal combustion engine. Said electromagnetic valve comprises an electromagnet (29) and an armature. The armature, in turn, has an armature pin...
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WO/2002/090754A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a housing (1), in which a piston-shaped outer valve needle (10) is arranged in a longitudinally displaceable manner in a bore (3). Said valve nee...
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WO/2002/090753A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a housing (12; 48), in which a piston-shaped valve member (35; 60) is arranged in a longitudinally displaceable manner in a bore (34; 57). The va...
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WO/2002/090761A1 |
The invention relates to a valve comprising a valve needle (2), which can be axially displaced inside a borehole (5) of a valve body (3) and whose one end is provided with a conical valve needle tip (4). The valve needle tip (4) has a ra...
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WO/2002/088535A1 |
Multiple fuel charges are injected into a diesel engine combustion chamber during a combustion cycle, and each charge after the first has successively greater injection pressure (a higher injection rate) than the prior charge. This injec...
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WO/2002/086305A2 |
The invention relates to an internal combustion engine comprising a high-pressure fuel pump (10) and a fuel injection valve (12) for a cylinder in the combustion engine. Said high-pressure fuel pump (10) comprises a working chamber (22) ...
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WO/2002/086307A1 |
The invention relates to an internal combustion engine comprising a high-pressure fuel pump (10) and a fuel injection valve (12) for a cylinder in the combustion engine. Said high-pressure fuel pump (10) comprises a working chamber (22) ...
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WO/2002/084110A1 |
The invention relates to a fuel injection device (10) for internal combustion engines, comprising an elongated housing (12) with a closed injection end (28). A recess (34) extends within said housing (12) in the longitudinal direction th...
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WO/2002/081901A1 |
A fuel injector has a damping flow passage defined by the clearance between opening (140) and damping pin (138). The spring chamber (144) is open to the high pressure feed passage (130) through a flow control orifice (152). The injector ...
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WO/2002/081900A1 |
The invention relates to a pump-nozzle unit (10) for injecting fuel into the combustion chamber of an internal combustion engine. To this end, an increase in a system pressure causes a valve element (28) to open counter to a pretensionin...
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WO/2002/079623A1 |
The invention relates to a method of controlling the injection of a fluid into an internal combustion engine (1), comprising a piston (3) reciprocating in a cylinder (2) between top and bottom dead center points, and a nozzle (4) arrange...
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WO/2002/077434A1 |
The invention relates to two methods for controlling a fuel metering of a direct-injection internal combustion engine (10) in a multiple injection operating mode according to which at least two fuel injections into a cylinder (12) are ca...
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WO/2002/075148A1 |
The invention relates to an injector for injecting fuel into the combustion chambers of an internal combustion engine. Said injector comprises a fuel supply line (3), which impinges upon a nozzle chamber (37) that surrounds a nozzle need...
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WO/2002/075149A1 |
The invention relates to a fuel-injection valve comprising a valve member (10) that co-operates with a valve seat (16) to control injection openings (20). The valve member (10) is configured in a bore (7) in a section facing away from th...
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WO/2002/070889A1 |
Diesel engine with unit injectors (6) and a catalytic converter (61) arranged in the engine exhaust system (60), for reaction with uncombusted fuel. The injectors have spill valves (9), which in their closed position build up pressure in...
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WO/2002/066813A1 |
A fuel injection control method for a diesel engine and a regenerative control method for an exhaust gas after treatment device using the fuel injection control method; the fuel injection control method, comprising the step of performing...
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WO/2002/057621A1 |
The invention relates to a device for injecting fuel into the combustion chambers of an internal combustion engine by means of an injector (3) which is surrounded by an injector housing (2). A control volume is applied to the control cha...
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WO/2002/048540A1 |
The fuel injection device comprises a pump working chamber (18), defined by a pump piston (14), which may be filled with fuel through a connection, controlled by a control valve device (30; 130) and which may be connected to a discharge ...
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WO/2002/048536A1 |
The invention relates to a fuel injection valve comprising a valve body (1), with a piston-shaped valve member (5) which is arranged therein and which can be longitudinally displaced in a bore (3).. The valve member (5) is guided in the ...
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WO/2002/046604A2 |
A fuel injection valve (1), especially for direct injection of fuel into a combustion chamber of a mixture-compression, spark ignition internal combustion engine, comprises an actuator (10) and a valve needle (3) which is actuated by sai...
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WO/2002/046595A2 |
A pumping system (10) for a fuel injection system (22) includes a body defining a high pressure pumping, a plunger, a high pressure outlet, a high pressure fluid line connecting the pumping chamber to the outlet, a control valve (20) alo...
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WO/2002/042636A1 |
The invention relates to a pressure-controlled fuel injection device (1), comprising a common rail (2, 18), an injection nozzle (5) and a metering valve (6) for controlling said injection nozzle (5). According to the invention, the meter...
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WO/2002/042631A1 |
The invention relates to an injection nozzle for internal combustion engines, which comprises a first nozzle needle (7) and a second nozzle needle (27), whereby the first nozzle needle (7) and the second nozzle needle (27) can be control...
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WO/2002/042635A1 |
The invention relates to a fuel injection valve (1), especially a fuel injection valve for fuel injection systems of internal combustion engines, comprising a first valve needle (3) co-operating with a first valve closing body (4). The f...
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WO/2002/042637A1 |
The invention relates to a fuel-injection system for internal combustion engines comprising a high-pressure accumulator (7), which contains fuel under high-pressure and at least one fuel-injection valve (15) that is connected to the high...
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WO/2002/038947A1 |
The invention relates to a fuel injection valve, especially an injection valve for fuel injection systems of internal combustion engines, comprising a valve needle (6) and a valve closing body (7) which interacts with a valve seat surfac...
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WO/2002/036958A1 |
The invention relates to an injector for injecting fuel into the combustion chambers of an internal combustion engine. An injector body (3) which can be moved in a housing (2) is provided, the vertical lifting movement of this injector b...
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WO/2002/020956A1 |
A method and apparatus for injecting fuel into a diesel engine combustion chamber is provided wherein a pre-pilot injection (225) is injected sufficiently prior to critical mass conditions being achievable to permit vaporization and form...
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WO/2002/018775A1 |
A dual mode fuel injector having first (15) and second (30) valve members. The valve members are actuatable independently of one another and are arranged to open in opposite directions. The valve members control the flow through first (1...
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WO/2002/008598A1 |
The invention relates to a method for controlling an injection valve for injecting fuel in an internal combustion engine. According to this method, the control signal is configured in such a way that a switching valve (5) more or less fr...
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WO/2002/008599A1 |
The invention relates to a method for controlling an injection valve according to which the control signal (Ua) for the actuator is controlled in terms of its amplitude and duration. The actuator actuates, by means of a hydraulic coupler...
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WO/2002/006664A1 |
A fuel injection valve, especially an injection valve for fuel injection systems of combustion engines, has a valve needle (5) with a valve closing body (6) which interacts with a valve seat surface (8) in a valve seat body (22) to form ...
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WO/2002/006656A1 |
An apparatus and method for controlling a multi-shot fuel injection signal during certain acceleration and deceleration conditions when a predetermined threshold emissions limit will be exceeded, the apparatus and method including an ele...
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WO/2002/006657A1 |
A fuel injection control system (10) and method for delivering multiple fuel injections to a cylinder of an engine (12) during a fuel injection event based upon engine operating conditions, the control system (10) including an electronic...
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WO/2002/006665A1 |
The invention relates to a fuel injection valve, especially injection valve for fuel injection systems of internal combustion engines, comprising an actuator which interacts with a valve needle (34, 51, 73). The fuel injection valve has ...
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WO/2002/006663A1 |
A fuel injection valve (31, 48), especially an injection valve for fuel injection systems of internal combustion engines, has an actuator which interacts with a first valve needle (35, 52). A first valve-closing body (36, 53) which is lo...
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WO/2002/004805A1 |
A fuel injection device for internal combustion engine capable of providing an appropriate fuel injection performance in the entire operating range of an engine, further reducing the amount of nitrogen oxides (NOx), and increasing a mech...
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