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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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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 (...
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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...
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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...
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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...
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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),...
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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...
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WO/1997/005375A1 |
A fuel injector (10) with a hydraulically actuated needle check (40) includes a fuel pressurization chamber (26) positioned between a low pressure fuel supply passage (33-37) and a nozzle supply bore (29). A portion of the low pressure f...
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WO/1997/004360A1 |
A phase shift mask blank including a translucent film containing silicon, nitrogen and a transition metal selected from the group consisting of tungsten, tantalum, chromium and titanium on a transparent substrate, wherein the proportion ...
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WO/1997/002423A1 |
A fuel injector (50) which has a double solenoid (138, 140) three-way or four-way spool valve (162, 118) that controls the flow of a working fluid that is used to move an intensifier piston (84) of the injector (50).
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WO/1997/001027A1 |
A non-accumulator-type hydraulic electronic unit injector assembly (10) can be converted to an accumulator-type hydraulic electronic unit injector assembly (100) simply by subjecting the nozzle needle (80, 180) of the injector to downwar...
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WO/1996/041945A1 |
A fuel injection rate shaping control system is provided which effectively controls the flow rate of fuel injected into the combustion chamber of an engine to improve combustion and reduce emissions by controlling the rate of pressure in...
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WO/1996/037699A1 |
An actuation valve (90) for a hydraulically-operated fuel injector (10) includes an actuator (92) having a plunger (98) and a spool valve (104) coupled to the plunger (98). The spool valve (104) includes a high pressure port (122) and is...
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WO/1996/037700A1 |
A valve (90, 160) includes a housing (126) having a high pressure inlet (140, 166), a low pressure inlet (142, 168), an outlet (144, 170) and first and second sealing surfaces (152, 156). A pilot valve (93) is disposed in the housing (12...
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WO/1996/036795A1 |
A camless intake/exhaust valve (12) for an internal combustion engine that is controlled by a solenoid actuated fluid control valve. The control valve has a pair of solenoids (42, 44) that move a spool (40). Energizing one solenoid (42) ...
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WO/1996/035870A1 |
A hydraulically-actuated electronically-controlled fuel injection system (10) includes a solenoid operated main valve (500, 500a) that controls the flow of actuating fluid to the individual injectors (18). The flow of pressurized actuati...
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WO/1996/034195A1 |
A fuel injection device works based on the principle of storage of energy in a solid body and is designed as a reciprocating piston pump with a delivery piston (35, 24) that is moved from its initial position towards a compression chambe...
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WO/1996/032585A1 |
A multipiece fuel pump plunger assembly for controlling the fuel injection rate and delivery during the initial injection portion of a fuel injection cycle for an internal combustion engine. The injector (2) includes a two piece plunger ...
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WO/1996/029513A1 |
An apparatus (2) is provided for suppressing cavitation in an actuating fluid system (4) of a hydraulically-actuated fuel injection system (6). The apparatus (2) has first and second cummunicating oil conduits (20, 22). The conduits (20,...
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WO/1996/026360A1 |
A fuel supply means includes an electromagnetically actuated fuel control valve (32) having an armature (60) secured thereto with the armature (60) residing in a fuel-filled armature cavity (56). The armature (60) is electromagnetically ...
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WO/1996/020339A1 |
A fuel injection pump unit consists of a fuel injection pump (1), in which a quantity-determining member (6) is set by an actuator (13), its position being detected by a position sensor (15), and of a control unit (2) which calculates an...
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WO/1996/018033A1 |
Check valves (500) are incorporated into a fuel injector so as to form a controlling orifice in the system between the solenoid vales which direct fuel to the respective injection and timing chambers of the fuel injector and the chambers...
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WO/1996/017167A1 |
The present invention is a fuel injection system having one or more fuel injectors (50) and an electronic control system therefore. The preferred fuel injector (50) has a double magnetic latching solenoid (24) three-way or four-way spool...
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WO/1996/013660A1 |
Arrangement (2) for fuel injection and ignition of a fuel/air mixture in the combustion chamber (6) in a cylinder (10) provided with a reciprocating piston (8) in a combustion engine. The arrangement includes a tubular retaining body (32...
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WO/1996/012109A1 |
A fluid actuator (11) for use in a fluid injector assembly (10) including a piston (12) arranged for reciprocation in a chamber (14), the piston (12) including a connected plunger (13) operating in an injection chamber (15). A control va...
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WO/1996/009471A1 |
A diesel unit injector of the EMD type is provided with a tip (30a) whose radius (R4) is centered below the center of radius (R5) of the sac which it encloses, and the sac volume is minimized. Th e lower face (31a, 33a) of the nozzle bod...
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WO/1996/007820A2 |
A pump module that controls and varies the pressure of a fluid within a hydraulic system. The module includes a housing which has an inlet port, an outlet port and a return port. The inlet port is typically coupled to a pump. The return ...
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WO/1996/005424A1 |
A fuel injector assembly (30) has a fuel injector body (130) containing a nozzle (90) and a nozzle fuel cavity (94), a valve (159) with a valve element (160), a valve fuel cavity (204), a valve fuel cavity (210), a valve seat (162) and a...
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WO/1996/004477A1 |
A fuel injector (14) that has an integral hydraulically driven mechanically actuated dual action intensifier (12) and a solenoid control valve (16)/spring assembly (138) that accurately controls the movement of the injector intensifier p...
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WO/1996/004475A1 |
A fuel pump includes housing (1) having a fuel passage (47, 48) connectable to a source, fuel supply chamber (38) communicating with the passage, pump cylinder (2), plunger (3) reciprocable in the cylinder at a clearance and defining at ...
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WO/1996/003853A2 |
An improved hydraulically-actuated fluid injector system (10) comprises a hydraulically-actuated fuel pressurization member (74), a fluid storage chamber (94), and a direct-operated check (76). Pressurization of fluid in the storage cham...
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WO/1996/002742A1 |
An ignition device for an internal combustion engine comprising a small pre-chamber (1) having a volume of about 0.7 % of the volume of an associated combustion chamber, a small outlet orifice (1a) in the pre-chamber having a dimensionle...
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