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Patent Searching and Data


Matches 501 - 550 out of 3,322

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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)...  
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...  
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...  
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...  
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...  
WO/1998/041753A1
Four-stroke diesel engine with unit injectors (6) and a catalytic converter (24) in the engine exhaust system (23) for catalytic reduction of nitrogen oxides in the exhaust. The unit injectors have pump pistons, each driven by an individ...  
WO/1998/039563A1
An Exhaust Gas Recirculation system for an internal combustion engine (10) incorporates a turbocharger (16) having a compressor rotor (18) with two sets of vanes on opposite sides of the rotor disk for compression of charge air and recir...  
WO/1998/039561A1
Fuel injection method and apparatus for engines, wherein an accumulator pressure at the fuel injection starting time is determined on the basis of an approximate function, which is determined on the basis of the pressure of a working flu...  
WO/1998/036167A1
Disclosed is a control module (10) which controls camless hydraulically driven intake and exhaust valves (20, 22) and a hydraulically driven fuel injector (18) of an internal combustion engine. The module (10) contains a valve assembly t...  
WO/1998/035210A1
Fuel injectors (10) for internal combustion engines are modified and equipped with fiber optic fuel pressure sensors (12) and fiber optic combustion pressure sensors (14). The combustion pressure sensors (14) are located in separate chan...  
WO/1998/035158A1
A hydraulically actuated electronically controlled fuel injection system comprises a pressure intensifier (6, 7) associated with a hydraulically controlled differential valve (4) having a poppet valve (27) opening into a working chamber ...  
WO/1998/032965A1
A control device and control method for cam driving type electronic control unit injectors, in which driving force transmitting parts will not separate from a cam even when a high injection pressure is used. Thus the control device compr...  
WO/1998/027335A1
The present invention pertains to a seam test for fuel injection pumps comprising a pump casing accommodated in the engine case, whereby an outlet (44) from the fuel injection pump, which opens out into an annular space (23) divided by s...  
WO/1998/025716A1
Methods of swaging fuel injector pump components are provided. A method of securing an armature plate (107) to a control valve (105) of a solenoid actuated fuel injector pump comprises: providing a control valve stem (109) extending from...  
WO1998011334A3  
WO/1998/019058A1
The invention relates to a method of operating an internal combustion engine, or an internal combustion engine. According to the inventive method of operation, fuel is injected into a combustion chamber in such a way that it is reflected...  
WO/1998/016735A1
A fuel injection device for diesel engines which is large in an injector timing duration, small in irregularity, good in responsiveness, and simple in construction. The device comprises a cylindrical body (11), an upper plunger (12) inse...  
WO/1998/012431A1
In the fuel injection valve with integrated spark plug, the valve with integrated spark plug valve needle (12) extends through the valve opening (13) to the body closing the valve (14) located on the side of the injection. A closing spri...  
WO/1998/012426A1
An internal combustion engine, especially for vehicles, with direct fuel injection and applied ignition, presenting at least one closed combustion chamber (10) located between the cylinder head and a piston which can be moved into a cyli...  
WO/1998/011334A2
Disclosed is an internal combustion engine that contains a controller (30) which controls different components such as a fuel injector (16), an exhaust valve (14) and a by-pass valve of a pump with digital control signals. The engine inc...  
WO/1998/009060A1
A liquid gas engine has at least one combustion chamber (4) into which a liquid gas/air mixture is introduced and ignited. The liquid gas motor has an injection device (1) which injects liquid gas through an injection nozzle (2). Accordi...  
WO/1998/007979A1
This invention concerns a fuel injection system for diesel motors consisting of a housing (1), a piston pump (5) which can be controlled, and an injection nozzle (4) connected to it which has a nozzle chamber (25). The housing (1) has a ...  
WO/1998/001666A1
The invention relates to a device for integrated injection and ignition of fuel in internal combustion engines, particularly Otto engines with separate fuel ignition. The device includes an integrated injection module (14) and ignition m...  
WO/1998/000637A1
An inductive load driving device and a method for driving the same device in which the rise of load current at an initial stage of driving can be executed at high speed. To this end, the device comprises a plurality of step-up circuits (...  
WO/1997/044583A1
The invention features a device for injecting high pressure atomised fuel liquid into the combustion chamber of an internal combustion engine comprising means for delivering high pressure liquid fuel (16) such as a pump communicating, vi...  
WO/1997/036100A1
A system is disclosed for controlling fuel metering in an internal combustion engine, in particular an auto-ignition engine. An electromagnetic valve influences the start and/or end of the fuel metering process. An inductive pressure sen...  
WO/1997/026456A1
A drive system for an extruding apparatus. A piston (40) is mounted for reciprocal movement within a cylinder and moves between a power stroke wherein fluid is extruded from the cylinder and a return stroke wherein fluid is allowed to en...  
WO/1997/024525A1
The invention concerns an internal-combustion engine which is fitted with a cam drive (11) designed to drive engine components, the drive having a pivoting rocker arm (16) mounted in the cylinder head and, mounted in the rocker arm (16),...  
WO/1997/006364A1
A cam operated open nozzle fuel injector (12) is provided comprising a reciprocating plunger assembly including an outer plunger (32), an inner plunger (36) and a variable volume timing chamber (52) located between the plungers. A hold d...  

Matches 501 - 550 out of 3,322