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WO/1994/027040A1 |
A fuel distributor (10) is provided which is capable of distributing fuel through plural fuel injection lines to the corresponding cylinders of a multi-cylinder internal combustion engine and which includes a distributor housing (12) inc...
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WO/1994/027042A1 |
A fuel injection nozzle of the inwardly opening type has a sac volume (31) from which extends a first outlet orifice (32). The nozzle has a second outlet orifice (33) which has its entrance opening onto a seating surface (30). A valve me...
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WO/1994/027039A1 |
A variable displacement high pressure pump having a plurality of high pressure pumping units which receive fuel from a low pressure fuel pump. A rotary cam-driven roller tappet, for producing pumping displacement of the pumping plunger o...
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WO/1994/027041A1 |
A unitized fuel supply assembly is disclosed including an in-line reciprocating cam driven pump (14) for supplying fuel to an accumulator (12) from which fuel is directed to a plurality of engine cylinders by means of a distributor (16) ...
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WO/1994/018450A1 |
A fuel system for a compression ignition engine includes an engine cam actuated pump/injector, the injection nozzle of which includes a valve member (22) which is biased into engagement with a seating (14) by the action of a spring (26)....
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WO/1994/012787A1 |
A unit injector for supplying fuel to an internal combustion engine has a bore (21) in which is mounted a pair of plungers (22) extending from the opposite ends of the bore. The plungers are actuated by cams (26) which are mounted on a p...
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WO/1994/003720A1 |
A fuel injection nozzle for internal combustion engines for pre and main injection has an inwardly opening valve needle (15) which is loaded by a single closing spring (27). After a preliminary stroke (hv) in which the supply pressure co...
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WO/1993/023667A1 |
A high pressure fuel injector system including a high pressure fuel pump (16) useable with a pressure booster, a pressure stabilizer with a high speed tandem actuated distributor and a fuel having a fuel injector (12) with high pressure ...
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WO/1993/020348A1 |
A fuel injector (10) includes a plunger assembly (20) disposed within a central axial bore (18) and including a lower plunger (22), an intermediate plunger (24), and an upper plunger (26). The lower plunger (22) reciprocates to meter a v...
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WO/1993/015310A1 |
A series of method and apparatus advances in the accumulator-type fuel injector art, applicable to both intensified and unintensified accumulator injectors, which cooperate to provide major improvements in internal combustion engine fuel...
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WO/1993/007377A1 |
A fuel injection for use in a diesel engine and adapted to inject two different fuels sequentially comprises a body including an injection nozzle (6) defining one or more injection orifices (6a), a main fuel supply passage (1) and a pilo...
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WO/1992/019857A1 |
A fuel injection nozzle of the two stage lift type has a valve member (13) movable axially in a nozzle body (10). The valve member is biased to the closed position by a first spring (27) which is housed in a spring chamber (17) defined i...
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WO/1992/006286A1 |
The present invention relates to a pilot-injection control device wherein fuel in a pump chamber is pilot-injected in such a manner that the volume of a variable volume chamber communicating with the pump chamber through a port being on-...
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WO/1991/014092A1 |
The fuel-injection valve proposed has a nozzle jet (10) fixed to a nozzle holder (16) and a valve needle (18) which can move longitudinally in the nozzle jet. The needle (18) is lifted away from a valve seat by the fuel pressure acting a...
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WO/1991/013252A1 |
In a fuel injection device for fuel-injected internal combustion engines in which a pump piston (7) and a pump piston bush (9) or control sleeve (22) are rotatable in relation to each other and the delivery end is determined by at least ...
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WO/1991/010059A1 |
In a fuel injection device for injection-type internal combustionengines, with a main injection piston (4) and pre-injection piston (1) which is coaxial with, separate from, and of smaller diameter than the latter, the lifting movement o...
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WO/1991/002151A1 |
A fuel injection pump designed to deliver a quantity of fuel subdivided into a preliminary and a main quantity of fuel comprises a pump piston (16) which is guided inside a pump cylinder (14). The surface of the piston casing (25) has, i...
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WO/1990/010789A1 |
In a storage fuel injection device, fuel may be taken under pressure by a compression pump (1) to two separate pressure stores (6 and 7) which are connected to injection nozzles via lines (14, 15, 19) and separate valve arrangements (16,...
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WO/1990/010151A1 |
An electromagnetic high-pressure injection valve is proposed for use in the direct injection of fuel into the combustion chamber of internal combustion engines. The magnetic valve has a miniaturised magnetic circuit in which the necessar...
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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/1990/005843A1 |
A fuel injection nozzle for internal combustion engines has a nozzle body (10) fastened to a nozzle holder (13) by an intermediate disk (11), a valve needle (14) which slides in the nozzle body (10), an intermediate bushing (24) which sl...
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WO/1990/005844A1 |
A fuel injection nozzle for internal combustion engines has a nozzle body (10) fastened to a nozzle holder (13) by an intermediate disk (11) and a valve needle (14) which slides axially in the nozzle body. When the fuel is injected, the ...
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WO/1990/003512A1 |
An injection nozzle has a bore (13) and a needle (11) and a drive (91) with electric input parameters as well as a drive device (96) for an alternating lifting movement of the nozzle part (12), said lifting movement being overriden by th...
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WO/1989/011034A1 |
An arrangement for regulating or controlling diesel internal combustion engines permits electronic regulation and/or control of the injection process. To this end, a dosing valve is repeatedly actuated during each dosing cycle. The cours...
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WO/1989/000242A1 |
A fuel injection system for internal combustion engines has a high-pressure pump (1) which delivers a definite quantity of fuel per pump cycle, and an open/shut control device (11) arranged in a first discharge channel (13). The said con...
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WO/1989/000243A1 |
A fuel injection pump for internal combustion engines has a piston (20) which is displaced in an alternating movement by a cam drive (13, 14, 15) to execute a suction and a delivery stroke, and an electrical control valve (34) which cont...
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WO/1988/009869A1 |
In a fuel injection nozzle for internal combustion engines, a preliminary injection of fuel jets is followed by a main injection of an additional fuel screen jet. The individual phases occur in a precise time sequence and the main inject...
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WO/1988/008079A1 |
Fuel injection equipment for an internal combustion engine is modified by connecting a closed chamber (28) via a permanently open flow restriction (29) either to the working chamber (11) of a fuel pump (1), or to a high pressure fuel sup...
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WO/1988/008080A1 |
A process and a device for quantity control of fuel injection by means of a fuel injection pump are proposed. With the process or with the device, the noise of a diesel engine during idling and partial loading can be reduced. The fuel in...
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WO/1988/005498A1 |
Pump component in a fuel injection pump in which fuel injection is controlled by at least one piston (3) which is movable in a cylinder (2) and which defines above the piston a chamber or space (12) in which fuel injection pressure is ge...
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WO/1988/002814A1 |
In a fuel injection device for internal combustion engines, in particular for Diesel engines, the fuel injection is divided for noise reduction into pre-injection and main injection. To apportion the amount of fuel pre-injected, a pre-in...
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WO/1988/002066A1 |
An injection pump (3) is driven by a drive system (27) with an axial piston (28). The drive system (27) is connected to a first control unit (38) provided with a main and secondary slide valve. The pressure medium of the drive system (27...
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WO/1988/000651A1 |
A fuel injection pump for internal combustion engines has at least one pump working area (2) delimited by a pump plunger (1) and a work cylinder (3) and at least one high-pressure line (4) leading from the pump working area (2) to a fuel...
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WO/1987/006650A1 |
An injection nozzle for internal combustion engines, in particular diesel engines, is provided with a valve needle which is inserted in a nozzle body (1), opens up against the force of a spring and is designed as a hollow needle (9), as ...
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WO/1987/006308A1 |
Injection valve for internal combustion engines, provided with a nozzle body (10) with injection holes (11, 12) for the fuel and two coaxial spring-loaded valve needles co-operating with separate injection holes. The external hollow need...
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WO/1987/003339A1 |
Nozzle with a specific injection configuration. A first closure spring (28) operates continually on the valve needle (18) via a central pressure pin (34) and after performing a preliminary travel (hv) a second closure spring (40) operate...
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WO/1987/001359A1 |
A can lid with a safety opening edge, and belongs to the technical field of manufacturing a can having a tabbed lid which can be opened by tearing. Protuberances (4, 9, 15, 16, 21) are formed at the peripheral portion of an openable lid ...
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WO/1984/000606A1 |
There is proposed a volumetric control device acting on a liquid, a gas or an emulsion and comprising a rotary body arranged within a housing having openings to be connected for example with bags. The rotary body is actually displaceable...
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WO/1981/001173A1 |
Pilot injection of a high cetane fuel (16) and main injection of a relatively lower cetane fuel (16a) is accomplished by providing dual fuel, rotary controlled, pilot and main injection including a first rotating valve (32) for starting ...
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WO/1981/000884A1 |
Two fully independent fuel injection systems have been used for delivering pilot and main fuel injection. Also, two fuel pumps have been used to provide pilot and main injection through a single nozzle. A fuel injection apparatus now pro...
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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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JP7416310B2 |
To provide a method for designing a fuel injection device in which in the displacement process of a needle, the sliding resistance to a cylinder is stabilized to improve the injection accuracy.In a cylinder 70, a control chamber relief p...
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JP7230776B2 |
To provide an electronic controller capable of shortening a time to injection start for start command timing for low-speed injection as much as possible.A control circuit 50 is configured so that a first valve 29 can be opened and closed...
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JP7225439B2 |
The present subject matter relates to a control unit and a method for controlling an ignition device with a fuel-fed prechamber in an internal combustion engine, wherein the control unit controls a jet strength of reactive jets entering ...
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JP7225438B2 |
The present subject matter relates to a control unit and a method for controlling the temperature of a fuel-fed prechamber of an ignition device included in an internal combustion engine. In order to avoid inadmissible high temperatures ...
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JP7124350B2 |
An injection hole body has an injection hole to inject fuel for causing combustion in an internal combustion engine. A valve body is unseated from and seated on a seating surface of the injection hole body. The injection hole body and th...
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JP2022056174A |
To provide an auxiliary chamber type diesel engine achieving both low fuel consumption and low smoke.A diesel engine has a combustion chamber and an injector. The combustion chamber has a main chamber and an auxiliary chamber communicati...
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JP7014637B2 |
To provide a fuel injection device capable of reducing the number of components.A fuel injection device FI includes a nozzle needle 18, a control chamber 23, a nozzle cylinder 17, a large-diameter piston 5, a small-diameter piston 8, a c...
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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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