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WO/2008/015039A1 |
A leak-free injector (7) is proposed, the closing force of which is increased by a closing piston (43).
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WO/2008/012132A1 |
The invention relates to a fuel injector with an injector housing (6) comprising a pressure chamber (15), from which, depending on the pressure in a control chamber (22), pressurized fuel is injected into a combustion chamber of an inter...
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WO/2008/012133A1 |
A servo-valve controlled injector for injecting fuel in cylinder combustion chambers of internal combustion engines, in particular common-rail injectors, with an injector body (10) which receives a fluid pressurized valve piston (16), wi...
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WO/2008/004019A1 |
This nozzle assembly (1) comprises a first needle (11) and a second needle (12) controlling respectively fuel flow towards a first series of outlets (213) and a second series of outlets (223). It includes a passive control valve (18) ada...
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WO/2007/147667A1 |
Disclosed is a fuel injection device (10) for an internal combustion engine, comprising at least one injection valve element (24) which delimits a hydraulic control chamber (38) and can open or block fuel discharge ducts (30). Additional...
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WO/2007/144226A1 |
The invention relates to a fuel injector (1) for injecting fuel into a combustion chamber (14) of an internal combustion engine, comprising an injector housing (6, 7, 31, 32, 39, 40) which comprises a fuel supply line (3, 4) from a high-...
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WO/2007/142741A1 |
A fuel injector (32) for an engine (10) is disclosed. The fuel injector has a plunger (72) disposed within a bore (74), a nozzle member (62), a valve needle (76), a check valve (80), a spill valve (68), and a controller (53). The check v...
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WO/2007/139592A2 |
A fuel injector (21) for delivering fuel to an engine in which a housing (23) of the injector has an internal fuel chamber (55) and at least one exhaust port (83) in fluid communication with the fuel chamber. (55) A valve member (53) is ...
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WO/2007/139620A1 |
A control system for a fuel injector (32) is disclosed. The control system has a nozzle member (56) with at least one orifice (80), and a needle check valve (58). The needle check valve (58) is recipratingly disposed to open and close th...
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WO/2007/139737A2 |
A fuel system for an engine is disclosed. The fuel system has a first source configured to pressurized fuel to a first pressure, and a second source configured to pressurized fuel to a second pressure. The fuel system also has a fuel inj...
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WO/2007/136427A2 |
A fuel injector (21) for delivering fuel to an.engine in which a housing (23) of the injector has an internal fuel chamber (55) and at least one.exhaust port in fluid communication with the fuel chamber whereby fuel.exits the fuel inject...
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WO/2007/128613A1 |
The invention relates to an injector for injecting fuel into a combustion chamber of an internal combustion engine. According to the invention, an injection valve member, which opens or closes at least one injection orifice, is controlle...
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WO/2007/128612A1 |
The invention relates to a fuel injector for injecting fuel into a combustion chamber of an internal combustion engine. According to invention, an injection valve member is controlled by a control valve that is embodied as a magnetic val...
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WO/2007/128604A1 |
The invention relates to a fuel injector (10) having a solenoid valve (14) for actuating a closing element (52). Pressure relief of a control space (60) acting upon an injection valve member (62) is effected via the closing element (52)....
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WO/2007/128607A1 |
The invention relates to a fuel injector (10), comprising a solenoid valve (12), with a magnetic yoke (16), a solenoid coil (18) and an armature (32, 34). The armature (32, 34) is loaded in the closing direction by means of a closing spr...
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WO/2007/128602A1 |
The invention relates to a fuel injector (10) with a magnetic valve (14) and an armature assembly (70). A closing element (46) is actuated via said armature assembly (70) in order to relieve the pressure in a control chamber (52). The co...
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WO/2007/123671A2 |
The present invention provides an injector-ignition fuel injector for an internal combustion engine, comprising an input fuel metering system for dispensing a next fuel charge into a pressurizing chamber, a pressurization ram system incl...
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WO/2007/115853A1 |
The invention relates to a fuel injector having an injector housing (1) which has a high-pressure fuel connection which is connected outside the injector housing (1) to a central high-pressure fuel source (28) and inside the injector hou...
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WO/2007/117193A1 |
The present invention comprises an injection means (8) for fuel. The injection means (8) comprises a passage (17) for receiving fuel at an above-atmospheric first pressure (p1), a pressure amplifier (8a) and an injection valve (8b) which...
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WO/2007/111343A1 |
An injection fuel pressure intensifier (7) has a large-diameter piston (18), an intermediate-diameter piston (19), and a small-diameter piston (20). A high-pressure chamber (22) always filled with high pressure is formed at an outer end ...
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WO/2007/110256A1 |
The invention relates to a fuel injector comprising an injector housing (2) provided with a pressure chamber (12) from which pressurised fuel is injected into a combustion chamber of an internal combustion engine, in accordance with the ...
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WO/2007/107397A1 |
Fuel injection valve having a valve body (1) in which a bore (3) with a valve needle (7) arranged therein is formed. The valve needle (7) interacts with a valve seat (4), formed in the valve body (1), in such a way that at least one inje...
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WO/2007/105991A1 |
The invention relates to a fuel injection system for an internal combustion engine, for providing an injection event comprising a first stage and a second stage via a single nozzle (10). The nozzle is connected by its inlet port (9) to a...
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WO/2007/106510A2 |
Direct needle control fuel injectors and methods disclosed. The preferred embodiment injectors have a needle within a needle chamber for movement between a closed position preventing injection of fuel and an open position allowing inject...
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WO/2007/098986A1 |
The invention relates to a fuel injection valve (1) which is used, in particular, as an injector for fuel- injection systems of air-compressing, self-igniting internal combustion engines, comprising an actuator (30) which controls the pr...
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WO/2007/100471A1 |
A fuel injector (32) for an engine (10) having at least one combustion chamber (22) is disclosed. The fuel injector has a needle valve element (58) with a base end and a tip end (82). The tip end of the fuel injector has a valve sealing ...
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WO/2007/098985A1 |
The invention relates to a fuel injection valve (1) which is used, in particular, as an injector for fuel-injection systems of air-compressing, self-igniting internal combustion engines, comprising an actuator (30) which controls the pre...
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WO/2007/098988A1 |
The invention relates to a fuel injection valve (1) which is used, in particular, as an injector for fuel-injection systems of air-compressing, self-igniting internal combustion engines, comprising an actuator (30) which controls the pre...
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WO/2007/098621A1 |
A control device (52) of a fuel injection valve has a mushroom-shaped intermediate valve member (56) which is guided with a sliding fit (58') in a first intermediate plate (12). An injection valve member (28), which has a control piston ...
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WO/2007/100425A1 |
A fuel injector (32) for a machine (10) is disclosed. The fuel injector has a nozzle member (56) with a first end (64) and a second end. The first end of the fuel injector has at least one orifice (80). The fuel injector also has a contr...
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WO/2007/082598A1 |
In a fuel injector (1) for internal combustion engines, having a nozzle needle (5) which is guided so as to be axially moveable in a nozzle body (4) and which opens or closes off at least one spray hole (9) for a fuel injection, having a...
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WO/2007/077907A1 |
A fuel cell system comprising a fuel cell, a fuel supply system for supplying fuel gas to this fuel cell, an injector (35) for regulating by an on/off operation a pressure on the upstream side in this fuel supply system and supplying it ...
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WO/2007/077064A1 |
A fuel injection valve (1) which serves as injector for fuel injection systems of air-compressing, auto-ignition internal combustion engines, has an electromagnetic actuating device (2) which is arranged in a valve housing (3) and a valv...
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WO/2007/078675A2 |
A valve actuator assembly is disclosed. The assembly comprises a stator; an armature housing; and an adjustable spacer coupled between the stator and the armature housing, wherein the spacer yields at a controlled rate when an axial load...
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WO/2007/073968A1 |
A fuel injector (10) for an internal combustion engine comprises a nozzle needle (16) which defines a control space (60) by means of a control surface (64). Furthermore, a control valve (32) is provided which can connect the control spac...
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WO/2007/071473A1 |
A fuel injection valve (1) which serves as an injector for fuel injection systems of air-compressing, auto-ignition internal combustion engines has an actuating device (20) which is arranged in a valve housing (3) and a valve closing bod...
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WO/2007/068526A1 |
The invention relates to a fuel injector having an injector housing (1) which comprises a pressure space (21, 17), from which highly pressurized fuel is injected into a combustion chamber of an internal combustion engine, as a function o...
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WO/2007/068517A1 |
The invention relates to a fuel injector having an injector housing (1) which comprises a high-pressure fuel passage (12) which is connected to a high-pressure space (10) inside the injector housing, from which, as a function of the pres...
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WO/2007/068518A1 |
A fuel injector for an internal combustion engine is proposed having a directly actuable injection valve element. The fuel injector has a nozzle needle (13), axially guided in a nozzle body (12), and an actuator (20) accommodated in an i...
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WO/2007/065746A1 |
The invention relates to a fuel injection valve, in particular an injection valve for fuel injection systems of internal combustion engines, having a valve closing body (27) which can be actuated by an actuating device by means of a valv...
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WO/2007/065752A1 |
The invention relates to a fuel injector (1) having a solenoid valve (17) for actuating an armature assembly (10) which is configured in one piece or a plurality of pieces. A closing element (8) is actuated via this in order to relieve t...
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WO/2007/059906A1 |
An injector of simple construction is provided in which only small pressure vibrations are produced in particular due to the integration of a pressure reservoir in the injector and in which only pressure peaks which are slightly above th...
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WO/2007/057170A1 |
The present invention relates to an internal combustion engine having a high pressure fuel injector (1) which is arranged in a common rail arrangement, in order to improve the accuracy over in particular a service life of a high pressure...
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WO/2007/057252A1 |
A fuel injection apparatus (10) comprises a housing (12), in which a valve element (18) is arranged. Said valve element (18) has a hydraulic pressure face (20, 22) which acts in the opening direction and delimits a high-pressure space (2...
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WO/2007/054401A1 |
The invention relates to a fuel injector having a solenoid valve which actuates a multi-part armature assembly. The armature assembly comprises an armature bolt (10), an armature bolt (10) which is acted on by a valve spring (24), and an...
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WO/2007/055805A1 |
A fuel system (12) for a work machine (5) is disclosed. The fuel system has a fuel injector (32), a first source (30a) of fuel at a first pressure, a second source (30b) of fuel at a second pressure, and a pressure control device (102). ...
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WO/2007/055791A1 |
A fuel injector (32) for a work machine (5) is disclosed. The fuel injector has nozzle member (56) having at least one orifice (84) and a needle valve element (58) having a tip end (86). The needle valve element is axially movable to sel...
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WO/2007/046733A1 |
A fuel injection system for an internal combustion system comprises an Engine Management System (EMS) (6), a fuel feed pump (2), a return line (13), a high-pressure pump (3), supplying fuel under pressure to a common rail (4), a hydrauli...
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WO/2007/038811A1 |
Disclosed is a device for injecting fuel into the combustion chamber of an internal combustion engine. Said device comprises an injector nozzle (5) and a nozzle needle (7) which is guided so as to be longitudinally movable in the injecto...
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WO/2007/040849A1 |
Often there is a limited fuel injector spatial envelope above and within a cylinder head for a fuel injector (14). In order to fit a fuel injector (14) with a direct control needle valve (28) and a capability of injecting fuel at a rail ...
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