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Patent Searching and Data


Matches 401 - 450 out of 1,626

Document Document Title
WO/2001/012976
The invention relates to a device for delivering and/or spraying flowable media, especially fluids, which works according to the energy accumulation principle and which is configured as an electromagnetically driven reciprocating piston ...  
WO/2001/011227
The invention relates to a control valve system (5) used in a fuel injector (1) for internal combustion engines. Said control valve system contains a valve body (17) that can be axially displaced in a valve chamber by means of an actuati...  
WO/2000/073647
An arrangement for fuel injection and ignition of a fuel-air mixture in the compression chamber in a cylinder (12) of an internal combustion engine, wherein the cylinder (12) includes a moveable piston (18) which is preferably provided w...  
WO/2000/070216
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...  
WO/2000/063549
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...  
WO/2000/060242
The present invention pertains to the field of pump construction, essentially relates to electric-pulse pumps and may be used in various industrial branches as a liquid pumping and pulverisation system. The purpose of this invention is t...  
WO/2000/055496
The invention relates to a fuel injection system (1) comprising a pressure intensifying unit (9) arranged between a pressure accumulation chamber (6) and a nozzle chamber (16). The pressure chamber (14) of the pressure intensifying unit ...  
WO/2000/053920
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...  
WO/2000/053921
A control valve assembly for use in a pump or injector of fuel injection valves is provided. A pump (10) or injector body has a pumping chamber (16), and a valve chamber (22). The valve chamber (22) defines a valve seat (72) and has an a...  
WO/2000/052326
The invention relates to a system and a method for controlling a control valve for a diesel fuel injection system, comprising a fuel injector with a pressure amplifier. The control valve (10) is positioned upstream of the pressure amplif...  
WO/2000/050762
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...  
WO/2000/050764
The inventive regulating mechanism is arranged in a pressure line (11, 38) in a fuel injector with a pressure intensifier (3). Said regulating mechanism is provided with an actuator (291), a valve housing (22) and a spring-loaded valve p...  
WO/2000/036394
The present invention provides a method and apparatus for determining the viscosity range and/or oil grade of an actuating fluid in a fuel system (102). The method includes the steps of determining a flow, pressure, and temperature of th...  
WO/2000/034646
A hydraulically actuated fuel injector has an injector body (11) including a barrel (12) and defining a nozzle chamber (39), a needle control chamber (31), and a nozzle outlet (40) that opens to the nozzle chamber (39). The injector body...  
WO/2000/034644
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...  
WO/2000/034647
An actuation fluid control valve (203) for a hydraulically actuated fuel injector (15) has a valve body having an inlet seat (217, 218), a bore (211) having a bore axis and a bore wall (213), an actuation control cavity (231), a low pres...  
WO/2000/028208
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...  
WO/2000/023704
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...  
WO/2000/020752
The present invention relates to a fuel injection system for an internal combustion engine with a fuel injector, said injector comprising an inlet port (2); a spill port (3); a pressure intensifier comprised of a piston (6) forming a wor...  
WO/2000/019089
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...  
WO/2000/019090
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...  
WO/2000/019086
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 (...  
WO/2000/017511
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...  
WO/2000/015956
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...  
WO/2000/015959
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...  
WO/2000/014401
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...  
WO/2000/014399
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...  
WO/2000/012890
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 ...  
WO/2000/009883
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...  
WO/2000/006884
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 ...  
WO/2000/000738
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...  
WO/2000/000742
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...  
WO/2000/000737
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...  
WO/1999/067529
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...  
WO/1999/067528
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...  
WO/1999/066176
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...  
WO/1999/061796
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...  
WO/1999/061784
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...  
WO/1999/060261
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...  
WO/1999/060265
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...  
WO/1999/058842
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...  
WO/1999/058822
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 ...  
WO/1999/058843
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...  
WO/1999/057431
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...  
WO/1999/057430
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...  
WO/1999/051871
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...  
WO/1999/043442
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...  
WO/1999/040314
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...  
WO/1999/034114
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...  
WO/1999/032786
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...  

Matches 401 - 450 out of 1,626