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WO/2000/019086A1 |
The invention relates to a method for the dosed, pulse-like pumping of fluid media under high pressure. According to said method a pressure wave resulting from the stored kinetic energy of an electromagnetically driven armature element (...
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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/2000/019090A1 |
A method for adjusting the on-time of each hydraulically-actuated fuel injector (10) within a hydraulically-actuated fuel injection system (60) is disclosed. At least two spray tests are performed on the fuel injector (10) prior to its i...
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WO/2000/017511A1 |
The invention relates to a fuel injection device for internal combustion engines, comprising a high-pressure fuel pump (1), a fuel injection valve (9) and a control valve (11) which controls the high-pressure pumping action of the high-p...
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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/2000/014401A1 |
A pumping system (14, 38, 44) supplying high pressure actuation fluid to individual fuel injectors (46) of an engine (10) equipped with a hydraulically-actuated fuel injection system wherein the three major elements of the system, namely...
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WO/2000/014399A1 |
A valve assembly (41) includes a first body (42) with a first conical valve seat (51) and a locating bore (52) centered about a first axis. A second body (44) is press fit attached to the first body (42) and has a second conical valve se...
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WO/2000/012890A2 |
A hydraulically-actuated fuel injector (10) includes an injector body (11) that defines an actuation fluid inlet (15) that is open to a first actuation fluid cavity (27), and a second actuation fluid cavity (28) that is connected to the ...
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WO/2000/009883A1 |
Pumps and injectors having a control valve with an adjustable stroke for rate shaping and associated methods for operating a control valve are provided. The pump (10) or injector comprises a body (12) with a pumping chamber (16) and a co...
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WO/2000/006884A2 |
An electric control (16) including an ECM (18) and an injector drive module (20) for a fuel injector (100) develops a commanded boost signal that is superimposed on a fuel injection pulse waveform. Variable operating parameters, such as ...
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WO/2000/000742A1 |
An armature (52, 230) having a middle beam portion (232) connected to an outer body portion (234) flexes during actuation of the control valve (22) so that movement of the control valve (22) relative to the armature outer body portion (2...
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WO/2000/000738A1 |
The invention concerns a fuel injection valve with an integrated spark plug (1) for direct injection of fuel into the combustion chamber (72) of an internal combustion engine and for igniting the fuel injected into the combustion chamber...
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WO/2000/000737A1 |
The invention concerns a fuel injection valve with an integrated spark plug (1) for direct injection of fuel into the combustion chamber of an internal combustion engine and for igniting the fuel injected into the combustion chamber, sai...
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WO/1999/067528A1 |
A fuel injection valve and pressure sensor combination (1) for fuel injection systems that inject fuel directly into the combustion chamber (2) of an internal combustion engine and measure the pressure in the combustion chamber (2) compr...
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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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WO/1999/066176A1 |
The invention relates to a cylinder head for internal combustion engines, comprising one or more passages for mounting camshafts and bearing axles for rocker arms which preferably also actuate a pump-nozzle unit. The cylinder head has th...
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WO/1999/061796A1 |
A variable delivery liquid pump system (16) includes a housing (25) defining an inlet (26), an outlet (30) and a plunger bore (43). A rotating shaft (27) includes a cam (28) that defines a fixed displacement distance D with each rotation...
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WO/1999/061784A1 |
A hydraulically-actuated fuel injector (10) includes an injector body (11) that defines a high pressure inlet (15), a low pressure drain (16), an upper actuation fluid cavity (41), a lower actuation fluid cavity (44), and a nozzle outlet...
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WO/1999/060265A1 |
A hydraulically-actuated fuel injector (10) includes an injector body (11) that defines an actuation fluid inlet (13), a first actuation fluid cavity (34), a second actuation fluid cavity (38) and a nozzle outlet (16). A piston (35) is p...
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WO/1999/060261A1 |
An intensified hydraulically-actuated, electronically-controlled unit injector (8) for delivering a quantity of a fuel to a combustion chamber of an internal combustion engine is provided with a fuel injection event controller (6) to pro...
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WO/1999/058842A1 |
An intensified fuel injector (100) which has at least one lateral or side drain passage (136). The fuel injector (100) may include a valve body (106) which has longitudinal axis. The valve body (106) may have a fuel chamber (104) that is...
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WO/1999/058822A1 |
A valve module that can be assembled to an internal combustion engine chamber. The valve module may have a first intake valve, a second intake valve, a third intake valve, a first exhaust valve and a second exhaust valve. The valves may ...
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WO/1999/058843A1 |
A hydraulically-actuated fuel injector (11) includes an injector body (15) that defines an actuation fluid inlet (32), a first actuation fluid passage (22), a second actuation fluid passage (23), a fuel inlet (31) and a nozzle outlet (30...
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WO/1999/057430A1 |
A fuel injector which has a check valve (72) that is hydraulically controlled by a control fluid. A volume of fuel is pressurized within a fuel chamber (88) of the injector by an intensifier (86). The check valve (72) controls the flow o...
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WO/1999/057431A1 |
A solenoid actuated valve (30, 130) includes a valve body (31, 131) that defines a first passage (13, 113) and a second passage (16, 116). The solenoid (12, 112) is attached to the valve body (31, 131) and has an armature (28, 128). A mu...
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WO/1999/051871A1 |
A fuel injector includes a housing (12) having a differential piston (32) surrounded by a coil (28), the differential piston (32) carrying and surrounding an armature (66) carrying a needle valve element (68). The valve seat (70) for the...
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WO/1999/043442A1 |
A fuel pumping device (10) includes a pressure-actuated needle valve (30) extending from a spring cage chamber (62) including a spring (60) which biases the needle valve (30) in the closing direction. The fuel pumping device (30) is conf...
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WO/1999/040314A1 |
A method of fuel injection comprises an initial step of providing an electronically-controlled hydraulically-actuated fuel injector (14). An on-time for the fuel injector (14) that corresponds to a desired amount of fuel is determined. T...
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WO/1999/034114A1 |
The invention relates to a pump nozzle of a type with an open injection nozzle. The pump nozzle is comprised of a nozzle body (1) with an axial chamber (4) which ends in a nozzle cap (3). The nozzle also has an injection piston (15) whic...
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WO/1999/032776A1 |
An apparatus and method for varying the duration of current levels of a fuel injection signal used in connection with an electronically controlled hydraulic actuator unit injector fuel system (110) is disclosed. The apparatus and method ...
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WO/1999/032786A1 |
An apparatus and method for varying the current levels of a fuel injection signal used in connection with an electronically controlled hydraulic actuator unit injector fuel system (110) is disclosed. The apparatus and method varies the c...
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WO/1999/031380A1 |
A method for apportioning a total fuel quantity to be injected to an engine (12) by a hydraulically-actuated injector between a pilot shot (72) and a main shot (74) includes determining a pilot shot and/or main shot fuel quantity desired...
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WO/1999/028602A1 |
The invention relates to a cylinder head (10) for an internal combustion engine, comprising at least one pump-jet unit (24). Said cylinder head (10) is provided with at least one support (28) consisting of one half for a cam shaft (14) a...
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WO/1999/028618A1 |
A fuel injection device for internal combustion engines comprises a fuel injection pump (5) which can be placed in the housing of the internal combustion engine and is axially clamped by a clamping sleeve (9) with a fuel injection valve ...
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WO/1999/028611A1 |
An actuator assembly (90) that uses a fluctuating operational pressure generated by an injector oil pump (18) to actuate an EGR valve (87) is disclosed. The operational pressure is used to operate the actuator assembly (90) without being...
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WO/1999/027249A1 |
A fuel injection pump (10) with precipitate inhibiting features includes a pump body (11) that defines a flushing fluid inlet (13a-c) and a flushing fluid outlet (14a-c) that open into a plunger bore (12). A plunger (30) is positioned in...
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WO/1999/027250A1 |
A method of controlling hydraulically actuated, electrically controlled unit fuel injectors (11) to operate in response to the pressure of the working fluid or changes in the pressure of the working fluid is disclosed. The disclosed meth...
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WO/1999/025969A1 |
A two cycle engine (10, 110) comprises an engine casing (11, 113) that defines a hollow piston cavity (14, 114), a first gas passageway (17, 116) and a second gas passageway (16, 117). The hollow piston cavity (14, 114) is separated from...
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WO/1999/024721A1 |
An electromagnetic solenoid includes a housing enclosing an electromagnetic coil assembly (16). An armature (20) is disposed within the electromagnetic coil assembly (16). An end (14) of the housing is provided with an annular groove (64...
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WO/1999/022121A1 |
A fuel injection system includes a hydraulically-actuated electronically-controlled fuel injector (45) having a needle valve member (55) and an injector body (50) that defines a fuel pressurization chamber (75) that opens to a nozzle out...
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WO/1999/015780A1 |
A control valve (30), preferably for use with a fuel injector (14), includes a valve body (41-43) defining an inlet passage (32) separated from an outlet passage (33-35) by a valve seat (58). A solenoid (60) is attached to the valve body...
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WO/1999/015782A1 |
A control valve (30) includes a first valve body component (41) that defines an outlet passage (33) and a first planar surface (49) surrounding a valve seat (58). A second valve body component (42) has a second planar surface (48) and is...
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WO/1999/015781A1 |
A control valve (30), preferably for use in a fuel injector (14), includes a valve body (41, 42) defining an inlet passage (32) separated from an outlet passage (33-35) by a valve seat (58). A single pole solenoid (60) is attached to the...
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WO/1999/007993A1 |
A hydraulically-actuated fuel injection system (10) includes a plurality of hydraulically-actuated fuel injectors (14) are mounted into an actuation fluid rail (36). The injector (14) and rail (36) combination are mounted to an engine (1...
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WO/1998/059168A1 |
The invention relates to a fuel injection nozzle (1) or a fuel injection valve with a nozzle body (2) extending along a longitudinal axis (3). The valve seat surface (13) is configured on said body and interacts with a valve closing surf...
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WO/1998/053196A1 |
The invention relates to a pump nozzle (1) for injecting fuel into an internal combustion engine, especially a single cylinder diesel engine, comprising a piston foot (3), a pump cylinder (8), a pump piston (7), an intermediate disk (16)...
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WO/1998/048211A1 |
An eccentric member (18) for coupling a fuel injector (53) to an internal combustion engine cylinder head (12). The apparatus includes an eccentric member (18) that is rotatable to align fuel coupling components to compensate for gross a...
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WO/1998/046876A1 |
A fuel injector (18) that contains no springs and is controlled by a valve assembly that has more than two modes of operation. The fuel injector includes a housing which has a supply port (36), a drain port (44) and a cylinder passage (3...
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WO/1998/044256A1 |
The invention relates to a fuel injection valve, specially a fuel injection valve for fuel injection systems in internal combustion engines. The inventive device has a pump piston (7) which is driven by a piezo-electric or magnetostricti...
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WO/1998/042974A1 |
In a pressurized-fuel injector, a resin-made sealing member for sealing the gap between a pressurizing piston and a hollow in which it slides is prevented from being deteriorated by a shock wave from a pressure chamber in which working o...
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