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WO/2001/023742A1 |
The invention relates to a valve for controlling liquids, comprising a piezoelectric unit (3) for actuating an axially displaceable valve member (2) in a bore (8) of a valve body (9). The valve member (2) comprises at least one control p...
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WO/2001/023755A1 |
Disclosed is a fuel-injection valve for internal combustion engines comprising a valve body (1) whereby a piston-shaped valve member (10) which moves in an axial direction counter to the closing spring (33) is arranged in a bore (11) on ...
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WO/2001/023744A1 |
The invention relates to a valve for controlling liquids said valve having a piezoelectric actuator (3) for operating a valve member (2) which at one end has a valve closing member forming a valve head (7) cooperating with a seat (8) mou...
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WO/2001/023718A1 |
Invention which, by means of spray-controlled, directly injected combustion with the aid of step-by-step technical development of the whole of the combustion system, achieves an intensified mixing process during injection and after-burni...
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WO/2001/023741A1 |
The invention relates to a valve (1) for controlling a fluid, comprising a piezoelectric unit (3) for actuating an axially displaceable valve member (2) which can be positioned in the bore (8) of a valve body (9).One end of the bore (8) ...
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WO/2001/018389A1 |
The invention relates to a device for the pressure controlled injection of a fluid with at least one injection nozzle (14) which can be controlled depending on the pressure applied and means for supplying said pressure in an inlet area (...
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WO/2001/016479A1 |
The invention relates to a magnetic injector for accumulator fuel injection systems comprising a control chamber (24) that is connected to a fuel inlet (12); a valve needle (26) having a shaft end (32) bordering on the control chamber (2...
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WO/2001/014711A1 |
The invention relates to a fuel injection system (1) for an internal combustion engine. The fuel which is supplied by means of a high-pressure pump (5) can be injected into the combustion chamber of the internal combustion engine by mean...
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WO/2001/014716A1 |
The invention relates to a method and a device for controlling liquids, for use particularly in diesel internal combustion engines. The device has fuel injection valves (10) which are supplied with fuel by a high pressure fuel accumulato...
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WO/2001/014726A1 |
Fuel is injected by means of a high-pressure pump (2) and a pressure accumulator chamber (6) that produces and accumulates a first system pressure. Said system pressure is not used for injection. Instead, a higher injection pressure is p...
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WO/2001/014718A1 |
The invention relates to an injector (10, 210), in particular for controlling injection of fuel into the combustion chamber of an internal combustion engine having a closing member (14, 214) which controls an injection port (16, 216) and...
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WO/2001/014730A1 |
The invention relates to a hydraulic control device (14), especially a hydraulic control device for an aggregate for injecting fuel into the combustion chamber of an internal combustion engine. The inventive control device (14) has an ex...
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WO/2001/014713A1 |
The invention relates to a method for injecting fuel with at least two different fuel pressures via injectors (80) into the combustion chamber of an internal combustion engine. According to the inventive method, the fuel with the lower f...
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WO/2001/014709A1 |
The invention relates to a fuel injection system (1) for an internal combustion engine. According to the inventive system, the fuel is injected into the combustion chamber of the internal combustion engine via injectors (8) with at least...
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WO/2001/014737A1 |
The invention relates to a fuel injection system (1) for an internal combustion engine in which fuel with at least two different fuel pressures can be injected by injectors (10) into the combustion chamber of an internal combustion engin...
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WO/2001/014712A1 |
The invention relates to a fuel injection device (1) comprising one or more pump-nozzle units (6; 36) or pump-line-nozzle units per cylinder which are provided for compressing the fuel. The fuel injection device (1) also comprises means ...
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WO/2001/014721A1 |
Disclosed is a fuel-injection device for internal combustion engines, whereby a fuel-injection valve (9) has a push rod (21) actuated by an injection valve member (14). Said push rod delimits a control space (25) which is constantly supp...
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WO/2001/014727A1 |
The invention relates to a fuel injection system (1) for an internal combustion engine. According to the inventive system, the fuel is injected into the combustion chamber of the internal combustion engine via injectors (10; 61) with at ...
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WO/2001/014724A1 |
The invention relates to a fuel injection device (1), comprising one or more pump-nozzle units or pump-line-nozzle systems (6) that correspond to the number of cylinders and that compress the fuel. The fuel injection device is also provi...
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WO/2001/014715A1 |
The invention relates to a injector (18), especially for controlling the injection of fuel into a combustion chamber of an internal combustion engine. The injector has a closing member (30) which is subjected to the hydraulic action of a...
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WO/2001/014729A1 |
The invention relates to a valve system (10) that controls the pressure characteristic in an aggregate for the injection of fuel into the combustion chamber of an internal combustion engine. Said valve system comprises a valve seat body ...
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WO/2001/014723A1 |
The invention relates to a fuel injection valve comprised of a valve body (10), of a control pressure chamber (22), of a control valve (28), which controls the pressure in the control pressure chamber (22), and of an actuating part (14) ...
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WO/2001/014710A1 |
The invention relates to a fuel injection system (30) with at least two different system pressures for an internal combustion engine. The inventive system comprises a first central pressure storage device (36) for the deeper system press...
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WO/2001/014725A1 |
The invention relates to a device (10) for injecting fuel into the combustion chamber of an internal combustion engine comprising a hydraulic pressure generator (12), an injection nozzle (14) and a control unit (16, 100, 200, 300) for de...
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WO/2001/012982A1 |
The invention relates to a fuel injection device (1) with an accumulator chamber (6) and an injector (8) that is allocated to every cylinder and that can be connected to the accumulator chamber (6) via a pressure line that is provided wi...
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WO/2001/011221A1 |
The invention relates to a two-stage electromagnetic valve (15) for an injector of an injection system of an internal combustion engine. Said electromagnetic valve does not require a serial mounting of a first (45) and a second (57) valv...
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WO/2001/004489A1 |
The invention relates to a fuel injection valve for internal combustion engines comprising a valve member (1) that can be axially displaced in a guide hole in a valve body (2). Said valve member has a valve sealing surface (3) on the com...
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WO/2001/004480A1 |
The invention relates to a method for controlling a capacitive actuator of a fuel injection valve of an internal combustion engine. A capacitive actuator of a fuel injection valve of an internal combustion engine is charged with differen...
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WO2000050762B1 |
A fuel injection nozzle for an internal combustion engine having a fuel injection pump that is driven by the engine, a fuel injection nozzle opening (118) being supplied with pressurized fluid by the pump. A needle valve (120) controls t...
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WO/2000/071886A1 |
The invention relates to a method for injecting fuel into the combustion chamber of an internal combustion engine, especially for injecting diesel oil, via an injection nozzle. According to said method, a plurality of rows of punched hol...
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WO/2000/071879A1 |
Means for influencing the exhaust gas of said internal combustion engine are provided. When certain conditions are present, a special operating mode in which the exhaust gas preferably has a higher energy content, is initiated. In said s...
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WO/2000/070216A1 |
A hydraulic control device (10) which may be used in a number of applications, including with a fuel injector (8), includes a control valve having a first (14) and a second (16) independently shiftable valve members, the control valve (2...
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WO/2000/063549A2 |
A delay device (12) for an engine fuel injector (10) having a control valve (50) for controlling high pressure actuating fluid flow to an intensifier (204) responsive to an injection command defining the duration of an injection event to...
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WO/2000/055497A1 |
The invention relates to a fuel injection system for an internal combustion engine comprising at least two different high system pressures, whereby a first pressure accumulator (4) which is supplied by a first pump (3) is provided for th...
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WO/2000/053920A1 |
Pumps (6) and injectors (4) utilize a control valve (46) having a valve body (48) with a valve stem (88) having a step (94) adjacent to the seating surface (92). The step extends a limited distance away from the seating surface to provid...
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WO/2000/049287A1 |
The invention relates to a nozzle element (2) for dosing liquids or gases. Said nozzle element comprises a nozzle body (4) and a nozzle needle (6) which is mounted in a guide bore (5) of the nozzle body (4) and can be displaced between a...
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WO/2000/049288A1 |
The invention aims to improve the means of control of a fuel injection valve, comprising a valve member (1) which controls the opening and closing of a fuel outlet (4), actuation elements to adjust the valve member (1), in addition to co...
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WO2000015959A9 |
A fuel injector (10) includes a spool control valve (39), a plunger (14) which moves in a fuel pressure chamber (23) between retracted and full stroke positions. The fuel injector (10) may include a spill port (43) for spilling fuel from...
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WO2000017501A9 |
A method of controlling fuel delivery in a fuel injection system capable of performing a split injection includes comparing at least one engine operating temperature to a temperature threshold, and disabling split injection when at least...
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WO/2000/039451A1 |
Disclosed is a fuel injection device for internal combustion engines. Said device supplies fuel from a high pressure fuel source (1) to fuel injection valves (9) controlled by a control device (10). The fuel injection device has an injec...
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WO/2000/036294A1 |
The invention relates to a fuel injection valve for internal combustion engines, comprising a valve member (7) that can be axially displaced in a guide bore (5) of a valve body (1), said valve member having two guide sections serving to ...
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WO/2000/036292A1 |
In a first method at least in certain operating conditions a three-phase fuel injection is carried out during the compression phase in such a manner that in a first injection step a main fuel fraction, in a second injection step an addit...
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WO/2000/034644A1 |
Pumps (10) and injectors (10) having a control valve spring arrangement (70) configured to provide a force step when the control valve (46) is at a rate shape position, and related methods for operating a control valve (46), are provided...
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WO/2000/028208A1 |
A hydraulically actuated fuel injector (14, 14') is disclosed having a first valve member (78, 140) and is disposed in the injector body (15, 105) and moveable in response to an actuator (73s, 73p, 130s, 130p) between a first position in...
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WO/2000/023704A1 |
An intensified hydraulically-actuated fuel injector (10) has an independently operable fuel pressure control valve (12) disposed on the hydraulic actuation fluid side to provide a window of injection opportunity wherein the fuel pressure...
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WO/2000/019089A1 |
The invention relates to a fuel injection valve for internal combustion engines. Said valve has a valve member (21) which can be axially displaced and which controls, with the end situated on the side of the combustion chamber, the effec...
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WO/2000/015956A1 |
A dual fuel injector comprising: (a) an injector body; (b) an inlet port (7, 8) in the injector body for enabling pressurized hydraulic fluid from a hydraulic fluid source to be introduced into the interior of the injector body, said hyd...
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WO/2000/011334A1 |
An internal combustion engine having a compressed air assisted fuel injection system (20). The injection system has a compressed air accumulator (34) with a first aperture (30) into the cylinder of the engine and a second aperture (38) i...
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WO/2000/011339A1 |
The invention relates to a control unit for controlling the build-up of pressure in a pump unit that is part of a system. The control unit comprises a control valve (1) with a valve actuator unit connected thereto. The control valve (1) ...
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WO/1999/067529A1 |
A fuel injector nozzle assembly (10) includes a nozzle body (11) that defines a nozzle outlet (18). A needle valve member (30) is positioned in the nozzle body (11) and moveable between a first position in which the nozzle outlet (18) is...
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