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WO/1991/015673A1 |
Described is a fuel injection valve for fuel injection units in internal-combustion engines, the valve having a hollow nozzle body (10) with a fuel-filled chamber (11) and a nozzle jet (13) for the fuel to emerge. Inside the nozzle body ...
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WO/1991/015674A1 |
Described is a fuel injection device, in particular a pump injector, for injecting fuel into internal combustion engines and in which the start and end of fuel delivery is controlled by a solenoid valve (5) fitted between a low-pressure ...
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WO/1991/010062A1 |
An electrically controlled fuel injection pump for internal combustion engines, especially a pump nozzle, with a pump piston (12) arranged and guided in a pump housing (11) which limits a pump working chamber (15) and on the feed stroke,...
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WO/1991/003630A1 |
A fluid actuator (10) including a chamber (14) in which a piston assembly (17) reciprocates. The piston assembly (17) includes a pair of spaced pistons (18, 19) which divide the chamber (14) into three sections (20, 21, 22) and a passage...
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WO/1990/008256A1 |
A fuel injection nozzle, in particular a pump nozzle, has a nozzle needle (3) which is spring loaded in the closing direction. The end of the nozzle needle (3) remote from the injection orifices dips into a damping chamber (28) which can...
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WO/1990/008257A1 |
A fuel injection nozzle, in particular a pump nozzle, has a nozzle needle (3) which is spring loaded in the closing direction. The pressure chamber in front of the seat of the nozzle needle communicates with a storage chamber (34) delimi...
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WO/1990/004100A1 |
Fuel injection devices have the problem that the heating temperature of the air sucked in is limited by the heat resistance of the material of the glow body or heater body. The higher this temperature, however, the lower the toxic emissi...
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WO/1990/002249A1 |
The design and construction of past pushrod retainers has required complex components, sliding relationships and additional assembly time and expense. The present invention (8) overcomes these problems by using a retainer (82) attached t...
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WO/1989/006314A1 |
A mechanism in which a plunger (5) is moved toward a combustion chamber (3) by a hydraulic pressure or by a thrust with a cam (11') until a piston is moved to the upper dead center of an internal combustion engine, to receive the supply ...
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WO/1989/003934A1 |
A gasoline unit injector (20, 300) comprising an outer, electrically bellows (90), defining a variable volume fluid chamber (91), for reciprocating a piston (80, 330) within a pressure chamber (83, 340) to increase the fuel pressure in v...
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WO/1988/008920A1 |
An internal combustion engine comprises cylinders, either separate or arranged in rows, for each cylinder a rotary control element for controlling the interchange of gases arranged between the cylinder block (64) and the cylinder cover (...
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WO/1988/004728A1 |
A fuel injector for ejecting fuel directly into a cylinder (14) of an engine through a non-conductive, heat storing element includes a nozzle (16) portion comprising a preferably ceramic body having a narrow, first passage (158) in commu...
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WO/1987/007335A1 |
A fuel injection nozzle for internal combustion engines has a heater plug (22) mounted downstream of the nozzle opening and integrated in the union nut (12) that tightens the nozzle body (10) against the nozzle holder. The union nut has ...
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WO/1987/006978A1 |
The device comprises an incandescent helix (22, 92) downstream of the injection nozzle and tapering outward in the direction of the combustion chamber. The helix is surrounded by a sleeve (30, 96) which secures the final turn (88, 93) of...
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WO/1987/006977A1 |
The device comprises an incandescent body (22) located downstream of the injection nozzle and designed as a helix tappering outwards in the direction of the combustion chamber. The helix consists of a flat strip (22), whose spiral shape ...
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WO/1987/005663A1 |
System for injecting fuel combustion chambers on internal combustion engines, with an injection nozzle and a downstream glow filament (20, 64, 82) surrounded by a sleeve (30, 66, 84) which contacts the end of the glow filament (20, 64, 8...
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WO/1987/004453A1 |
Method of gasifying carbonaceous material in two phases in a circulating fluidized bed reactor. Carbonaceous material is supplied to the first zone (2) of a gasifying reactor (1) and is gasified there by means of a gasifying agent and ho...
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WO/1985/004927A1 |
The inlet valve (1) as well as the fuel injection nozzle (8) for a diesel engine are combined with each other in order to form a single unit. The vaporization of the fuel for the direct injection takes place in the middle of the combusti...
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WO/1985/000638A1 |
Pump injector (10) comprising an injection nozzle (14) mounted at least approximately at right angle with respect to the longitudinal axis (A) on the pump housing (11) of the piston injection pump (12). The injection pump (12) bears with...
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WO/1984/004800A1 |
The injection device particularly used in self-ignition engines comprises a fuel injection nozzle (10) and an incandescent body (20) provided with a channel (30) having on its inner surface a double heating layer (33) and intended to gui...
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WO/1984/004567A1 |
Device for injecting fuel into combustion chambers, particularly of self-ignition internal combustion engines, wherein a fuel nozzle (4) generates an appropriate fuel jet and wherein are provided an air conduit device as well as a heatin...
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WO/1984/004359A1 |
Device for injecting fuel into the combustion chamber of an internal combustion engine, with an injector and a separation wall (12, 23, 29) arranged thereafter, provided with passage openings (13) for the injection jets and configured as...
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WO/1983/003638A1 |
A fuel injector valve assembly primarily for use with a diesel engine similar to the Cummins diesel engines employing type "D" and "K" fuel injectors has been improved by constructing the barrel unit (500) using annular, generally cylind...
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WO/1981/002610A1 |
Several devices for supplementing conventional fuels (liquid or gas) in internal combustion engines with gaseous fuel supplements. The first device (Figures 4-8) contains means (18) for introducing a stream of hydrogen and/or oxygen gas ...
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WO/1981/001314A1 |
In fuel injectors of the type which include a rotating plunger (12) having a double helix, or "double scroll", control edges (62, 64), a control edge configuration is disclosed which improves the starting characteristics of certain inter...
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WO/1981/000741A1 |
Fuel injection apparatus sometimes includes pilot injection capabilities in addition to main injection. Undesirable expense, weight and bulk are usually associated with such pilot injection capabilities. The invention provides rotary fue...
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WO/1981/000431A1 |
Fuel injection apparatus often uses valves which rapidly move in a start and stop motion for the purpose of starting and stopping injection. Undesirable inertial forces result from such start-stop movement of the valves. To limit such un...
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WO/1981/000283A1 |
A solenoid has been used to reciprocably move a single spool valve for controlling timing and duration of fuel injection. This is undesirable due to resulting high inertial loads and high energy requirements for opening the single valve....
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WO/1980/002654A1 |
Fuel injectors operate in a high temperature environment associated with fuel combustion. Temperature control of the nozzle end of fuel injectors is advantageous. An improvement is provided in controlling the temperature of a fuel inject...
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WO/1980/002180A1 |
In a fuel injector including an injector housing (10) having spray orifices (70), a valve seat (68) within the body (10) and closely adjacent the spray orifices (70), a valve (66) movable within the body (10) between positions seated aga...
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JP2024022186A |
The present invention provides an injection control device that can improve the accuracy of correction in multiple injections. [Solution] An injection control device 1 controls a fuel injection valve 3 driven by a charging voltage obtain...
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JP2023535141A |
The present invention relates to a pre-chamber spark plug (1) suitable for use in a combustion chamber (12) of an internal combustion engine, said pre-chamber spark plug being adapted in intended use through at least one opening (3) to t...
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JP7214646B2 |
Disclosed is a valve needle for a needle valve of a slurry fuel injector valve, the valve needle comprising: a tip for abutting a needle valve seat of the needle valve; a sealing portion for location in a bore of the needle valve; and a ...
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JP2022157306A |
To provide an electronic control fuel injection device which is capable of presenting a sufficient performance and can also be easily assembled by smoothly reciprocating a plunger and an armature in clearances as designed without setting...
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JP7153027B2 |
Disclosed is a valve needle for a needle valve of a slurry fuel injector valve, the valve needle comprising: a tip for abutting a needle valve seat of the needle valve; a sealing portion for location in a bore of the needle valve; and a ...
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JP2022541109A |
The hydraulic cam injection system (100) comprises an injection valve (50) housed within a tubular injection nozzle (54), with a valve stem (51) of the valve (50) and an inner surface of the tubular injection nozzle (54). A receiving pis...
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JP7117315B2 |
Disclosed is a valve needle for a needle valve of a slurry fuel injector valve, the valve needle comprising: a tip for abutting a needle valve seat of the needle valve; a sealing portion for location in a bore of the needle valve; and a ...
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JP7070327B2 |
To provide a fuel injection control device which can lower the internal pressure of a common rail without imposing thermal stress to a charging part as much as possible.When lowering the internal pressure of a common rail at normal injec...
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JP2022001750A |
To provide a sub chamber type diesel engine capable of preventing a nozzle part 4a of a fuel injector 4 from being overheated.In a sub chamber type diesel engine, a nozzle part accommodating chamber 3a comprises a heat shield wall 3b tha...
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JP6968818B2 |
A system for exchanging of different fuels that can be used for operation of an engine. The system includes a fuel exchange unit, a control and an exchange return conduit. The fuel exchange unit is configured to deliver a first fuel at p...
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JP2021173180A |
To provide an electronically controlled fuel injection system, which may reduce cost by reducing the number of parts and simplifying its structure, and may facilitate discharge of vapor generated in a pressurizing chamber due to high tem...
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JP6932278B1 |
To provide a fuel pump for feeding fuel to a fuel valve. The fuel pump comprises a housing having a first bore (84) and a second bore (81). The hydraulically driven operating piston is slidably housed in the first bore and is movably con...
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JP6872871B2 |
The present invention relates to a reciprocating piston internal combustion engine and, more specifically, relates to a gas supply system (1) for a cross scavenging type two-stroke large diesel engine. The gas supply system includes a ga...
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JP6830884B2 |
A fuel valve (50) for injecting e.g. a low flashpoint liquid fuel into the combustion chamber of a large slow running two-stroke turbocharged self-igniting internal combustion engine. The fuel valve (50) comprises an elongated fuel valve...
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JP2020165320A |
To perform assembly in a short time at high accuracy by accurately positioning and holding each injector and reliably press-fitting all injectors to a press-fit end with one press-fit operation.An assembling jig 10 includes a first holdi...
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JP2020165319A |
To fit an injector at high accuracy to perform assembly in a short time at high accuracy, by positioning and holding a delivery pipe accurately.An assembling jig 10 comprises a first holding part 11 for holding a delivery pipe 2, a secon...
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JP6745394B2 |
A fuel valve (50) for injecting low flashpoint liquid fuel into the combustion chamber of a large two-stroke engine. The fuel valve (50) comprises a valve housing (52), a nozzle (54), a fuel inlet port (76) for connection to a source of ...
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JP6685518B2 |
A small-size injector having a built-in ignition device which can surely inject fuel and ignite the fuel with low electric power by the ignition device with a simple configuration is provided. The injector comprises a fuel injecting devi...
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JP6677877B2 |
A small-size injector having a built-in ignition device which can surely inject fuel and ignite the fuel with low electric power by the ignition device with a simple configuration is provided. The injector comprises a fuel injecting devi...
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JP6620748B2 |
An injector unit that can use a gaseous fuel such as CNG in an already-existing diesel engine and a spark plug that uses the injector unit, are provided. The injector unit includes an injector, an igniter having a resonance structure con...
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