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WO/2009/055315A2 |
The invention disclosed a fuel injector with variable orifice and a single needle valve, which is a fuel injection device for internal combustion engines, either diesel or gasoline engines. A variable orifice fuel injector, which is a hi...
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WO/2009/051675A1 |
A common rail (18) fuel injection system includes a piezo intensifier fuel injector (14) that includes a plurality of components. Among these are a needle valve member (60), an intensifier piston (80), a first piezo stack electrical actu...
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WO/2009/047093A1 |
The invention relates to an injector for injecting fuel into the combustion chamber of an internal combustion engine, particularly a common rail injector, having an injection valve element (10) that can be adjusted between a closed posit...
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WO/2009/047091A1 |
The invention relates to an injector (1) for injecting fuel into the combustion chamber of an internal combustion engine, particularly a common rail injector, having an injection valve element (10) that can be adjusted between a closed p...
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WO/2009/047090A1 |
The invention relates to an injector for injecting fuel into the combustion chamber of an internal combustion engine, particularly a common rail injector, having an injection valve element (10) that can be adjusted between a closed posit...
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WO/2009/044815A1 |
An injector for a fuel injection device has an orifice with increased design freedom. The injector (1) has a nozzle holder (3) having a fuel inlet (3i), a two-way valve body (5) provided with a two-way valve (4) capable of switching betw...
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WO/2009/043717A1 |
The invention relates to a control valve for a fuel injector, comprising a valve element (25) and a valve sleeve (26). The valve sleeve (26) is guided in an axially mobile manner and presses against a valve seat (30) configured on the va...
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WO/2009/038155A1 |
A tubular outer needle (42) is accommodated slidably in the body (41) so as to connect/disconnect a nozzle chamber (R1) and a suction chamber (R2) and to section the nozzle chamber (R1) and a control chamber (R3). A rodlike inner needle ...
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WO/2009/037095A1 |
A control valve (13) is proposed for actuating a control chamber (20) of a fuel injector with a valve element (25) and a valve sleeve (30). The valve sleeve (30) is guided in an axially movable manner and presses with a closing force aga...
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WO/2009/037097A1 |
The invention relates to an injector for injecting fuel into a combustion chamber of an internal combustion engine, particularly a common rail injector, having an injection valve element (13) that is adjustable between a closed position ...
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WO/2009/037096A1 |
The invention relates to a control valve for a fuel injector having a valve piece (25) and a valve sleeve (30). The valve sleeve (30) is guided in an axially movable manner, and presses with a closing force against a valve seat (39) conf...
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WO/2009/033964A1 |
A fuel injector (1) for internal combustion engines comprises a longitudinally movable nozzle needle (7, 13) which, by means of its longitudinal movement, controls the opening of at least one injection opening (5), a longitudinally-runni...
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WO/2009/033887A1 |
Disclosed is an injection system for injecting fuel, comprising: a controllable actuator that provides a working lift for indirectly actuating a valve pin; a pilot valve that is arranged in a valve chamber of the high-pressure zone and h...
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WO/2009/031713A1 |
At the communicating time of a fuel discharge passage (C3) by a control valve (48), fuel flows from an outer control chamber (R2o) via a communication passage (47) into an inner control chamber (R2i), and flows from the inner control cha...
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WO/2009/027215A1 |
The invention relates to a control valve for actuating a control chamber (20) of a fuel injector. The control valve (30) comprises a guide pin (31) and a valve sleeve (32), which is guided on the guide pin (31) with a guide diameter d in...
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WO/2009/023887A1 |
In a method for injecting fuel into the combustion chamber of an internal combustion engine, the fuel is fed by at least one prefeed pump from a tank to at least one high-pressure pump, and the high-pressure fuel which is fed by the high...
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WO/2009/021785A1 |
The invention relates to a fuel injection valve (10) for internal combustion engines, having a valve needle (14), having a control chamber (16) and having a control valve (22), wherein the control valve (22) has an actuating element (26)...
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WO/2009/021864A1 |
The invention proposes a control valve for actuating a control chamber (20) of a fuel injector, having a control sleeve (32) which is guided in an axially movable manner on a guide journal (30). The guide journal (30) is acted on with a ...
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WO/2009/021862A1 |
A control valve for controlling a control chamber (20) of a fuel injector is proposed, comprising a control sleeve (31), which is guided axially movably on a guide pin (30) of a valve piece (18). Between the control sleeve (31) and guide...
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WO/2009/016004A1 |
The invention relates to a fuel injector (1) for internal combustion engines having a longitudinally displaceable jet needle (5) working together with a ball valve seat (18) on which fuel under high pressure acts, having at least one inj...
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WO/2009/016003A1 |
A fuel injection valve for internal combustion engines comprises a valve needle (4) that controls the opening of at least one injection opening (5) with the longitudinal movement thereof, a control chamber (17) connected to a high-pressu...
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WO/2009/017581A1 |
A fuel injector (32) is provided having a needle valve element (46) and a nozzle member (44) with a central bore (70) configured to slidingly receive the needle valve element. The fuel injector (32) also has a spring (84) configured to b...
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WO/2009/013069A1 |
The present invention relates to an injector (1) of a fuel injection system for an internal combustion engine, in particular in a motor vehicle, comprising an injector body (2) which has at least one spray hole (5) in a needle section (4...
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WO/2009/007195A1 |
A control valve is proposed for controlling liquids, particularly for a fuel injector of an internal combustion engine, with an actuating unit (25) which acts via a coupler module (30) on a valve element (41. The coupler module (30), whi...
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WO/2008/155275A1 |
The invention relates to a control for a fuel injector having a control sleeve (25) delimiting a pressure chamber (26; 26') and movably supported in the longitudinal direction thereof. The control sleeve (25) has a sealing surface (27; 2...
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WO/2008/148643A1 |
The invention relates to an injector (1) for injecting fuel into a combustion chamber of an internal combustion engine, especially a common rail injector, said injector comprising an electromagnet arrangement (27), and a valve element (9...
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WO/2008/150539A2 |
An engine comprises a block, a piston, a head, a fuel injector, and a sleeve (33). The fuel injector includes an actuator (32) extending between a first axial position (106) and a second axial position (104) along a longitudinal axis of ...
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WO/2008/150387A1 |
Fuel injectors having control passages with relatively large volumes may have limited responsiveness. The injector described herein may help to reduce the control passage volume and improve responsiveness by providing a chamber (40) for ...
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WO/2008/148633A1 |
In a hydraulic valve (1) having a valve sleeve (2), which is displaceably guided on a guide pin (3) attached on one side between a closed and an open valve position, and having a pressure chamber (8), which is delimited inside the valve ...
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WO/2008/148632A1 |
The invention relates to an injector (1) for injecting fuel into a combustion chamber of an internal combustion engine, especially a common rail injector, comprising a valve element (10) that can be switched between a closing position an...
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WO/2008/146878A1 |
Provided is a highly durable laminated piezoelectric element wherein a stress generated at a portion, i.e., the boundary between an active region and inactive region, is reduced. A method for manufacturing such laminated piezoelectric el...
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WO/2008/145330A1 |
On the housing side, a high-pressure injector (1) has a central receptacle chamber (16) which lies between the actuator and the control valve (17) and is penetrated centrally by a control rod (23) which is multiple times as long as it is...
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WO/2008/145514A1 |
Fuel injector (10) having a holding body (12), into which a solenoid valve (14) is let which actuates an injection valve element of preferably needle-shaped configuration and has an armature assembly (30) which has an armature plate (32)...
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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/2008/145517A1 |
The invention relates to an injector (1) for injecting fuel into a combustion chamber of an internal combustion machine, particularly a common rail injector, having a valve element adjustable between a closed position and an open positio...
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WO/2008/141918A1 |
The invention relates to an injector (1) for a fuel injection system of an internal combustion engine, particularly in a motor vehicle, with an injector body (2) which has a pressure intensifier section (4) and a needle section (3), wher...
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WO/2008/142908A1 |
A liquefied gas fuel supply system and a method for driving a high-pressure pump in the liquefied gas fuel supply system in which plunger seizing is reduced by driving the high-pressure pump while the high-pressure pump is certainly fill...
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WO/2008/138800A1 |
The invention relates to an injector (1) for injecting fuel into the combustion chamber of an internal combustion engine, in particular a common rail injector, with a valve element (2) which can be adjusted in the axial direction between...
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WO/2008/138743A1 |
The invention relates to an injector (1) for injecting fuel into a combustion chamber of an internal combustion engine, particularly a common rail injector, comprising a control valve (18) having an axially adjustable valve sleeve (17) t...
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WO/2008/138742A1 |
The invention relates to an injector for injecting fuel into a combustion chamber of an internal combustion engine, particularly a common rail injector, comprising a valve element (2), which can be switched from a closed position to an o...
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WO/2008/141237A1 |
Multiple intensifier injectors with positive needle control and methods of injection that reduce' injector energy consumption. The intensifiers are disposed about the axis of the injectors, leaving the center free for direct needle (20) ...
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WO/2008/135339A1 |
The invention relates to a fuel injection system for an internal combustion engine having a high pressure pump (14), a high pressure accumulator (18), a plurality of fuel injectors (20), a hydraulic pressure booster (10), and having a co...
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WO/2008/133355A1 |
In an internal combustion engine, discharge of unburnt fuel components is suppressed. The number of execution times of sub-fuel injection is altered based on the operating region to which the operating state of the internal combustion en...
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WO/2008/128884A1 |
The invention relates to a fuel injector (10) for injecting fuel into the combustion space of an internal combustion engine. An injection valve element (32) is actuated by the relief of pressure in a control space (40), which is applied ...
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WO/2008/125537A1 |
The invention relates to an injector (1), for the injection of fuel into the combustion chamber of an internal combustion engine, in particular a common-rail injector, comprising a control valve (10) with an axially adjustable valve slee...
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WO/2008/125377A1 |
The invention relates to a fuel injector (22) with a nozzle body (50) for accommodating an injection valve element (34) which is actuated by the relief of pressure from or the exertion of pressure on a control space (36). The control spa...
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WO/2008/125536A1 |
The invention relates to an injector (1), comprising a valve element (5) which may be adjusted between a closed position and an open position which releases a flow of fuel through a nozzle hole arrangement (12) into the combustion chambe...
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WO/2008/126482A1 |
A fuel injection valve that excels in the durability against pressure imposed by high-pressure fuel, and that even in the injection of extremely high pressure fuel, realizes execution of injection control with high precision. The fuel in...
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WO/2008/122882A2 |
An outer needle valve (42) and an inner needle valve (43) face on back sides thereof an outer control chamber (R2) and an inner control chamber (R3), which are independent of each other, respectively. An outer fuel outflow passage (C4) a...
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WO/2008/113628A1 |
The invention relates to a control valve (10) for a fuel injector, having a valve element (16) that is guided on a valve guide (22). The valve element (16) opens or closes a seat (18). A radial recess (48) is configured in the valve elem...
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