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Patent Searching and Data


Matches 1 - 50 out of 3,336

Document Document Title
WO/2023/203186A1
A fuel injector (10) for delivering gaseous fuel to an internal combustion engine, the fuel injector (10) comprising: a nozzle body (34) provided with a nozzle bore (34b); a first valve needle (22) received within the nozzle bore (34b) a...  
WO/2022/261486A1
A method for hard machining at least one orifice into a heat-treated fuel system component can include mounting the component into a holding fixture. The at least one orifice can include a first orifice. The method can include determinin...  
WO/2022/213171A1
A motor vehicle internal combustion engine with a low-toxicity fuel combustion process comprises a cylinder with a piston, coupled to a crankshaft, and a cylinder head with intake and exhaust valves. A compression chamber contains two se...  
WO/2022/048770A1
Provided is a fuel injected combustion engine (1) comprising an intake port (3) in controllable fluid communication with a cylinder of the fuel injected combustion engine (1), fuel delivery means in fluid communication with the intake po...  
WO/2022/036230A1
The present disclosure provides a high-pressure fuel pump including a barrel unit, a plunger, and a camshaft assembly having an eccentric cam lobe including a surface of the lobe. A follower is provided between the plunger and the surfac...  
WO/2021/133525A1
A variable orifice fuel injector has an inward opening needle valve and an outward opening needle valve and has means to directly inject two types of fuels independently and collectively. Both needle valves are fully contained in a nozzl...  
WO/2021/077182A1
A system is provided for controlling engine fueling and includes an internal combustion engine, a fuel source, means for delivering fuel from the fuel source to the engine, and a controller configured to control the fuel delivering means...  
WO/2020/261841A1
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 ...  
WO/2020/255647A1
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 ...  
WO/2020/216662A1
The invention relates to an injector for the metered dispensing of two different fluids, the injector having an injector body (1), in which a pressure chamber (2) is formed, which pressure chamber can be filled with a first fluid and has...  
WO/2020/195624A1
A fluid injecting device (10) is provided with a valve body (20), and a valve needle (30). The valve body includes a first valve seat (27a) and a second valve seat (27b). The valve needle includes a first valve portion (35a) and a second...  
WO/2020/041111A1
A liquid fuel injector (56) for a fuel system (44) in an internal combustion engine (10) includes two injection control valves (82, 85) for controlling two outlet checks (74, 78). A common nozzle supply cavity (90) is fluidly connected t...  
WO/2020/018263A1
A liquid fuel injector (56) such as for a dual fuel system (34) in an internal combustion engine (10) includes two-way injection control valves (82,85) for controlling twin outlet checks (74,78). A first set of orifices (86) are arranged...  
WO/2019/228804A1
The invention relates to a method for operating a fuel injector which comprises a nozzle needle (2) interacting with a sealing seat (1) so as to perform a stroke movement for opening and closing at least one injection opening (3), via wh...  
WO/2019/224008A1
The invention relates to an internal combustion engine (1), having a combustion chamber (3), an intake tract (6) through which air can flow, a first tank (9) for a liquid spark-ignition fuel, a second tank (10) for water, a mixing region...  
WO/2019/219381A1
The invention relates to a method for operating a fuel injector having two coaxially arranged nozzle needles (1, 2) which are guided one inside the other and which serve for introducing a first fuel, for example natural gas, and a second...  
WO/2019/201532A1
The invention relates to a nozzle assembly (1) for a fuel injector for introducing a gaseous and a liquid fuel into a combustion chamber (2) of an internal combustion engine, comprising a nozzle body (3) and two coaxially arranged nozzle...  
WO/2019/166541A1
The invention relates to a nozzle assembly for a fuel injection valve for injecting a gaseous and/or liquid fuel into a combustion chamber of an internal combustion engine, comprising at least one nozzle needle (1) which is capable of re...  
WO/2019/145593A1
The fuel injection arrangement for a cylinder (33) of a four- stroke piston engine comprises a first fuel injection nozzle (3) and a second fuel injection nozzle (4), the total cross- sectional area of the nozzle holes (4a) of the second...  
WO/2019/145592A1
The fuel injection arrangement for a cylinder (33) of a four- stroke piston engine comprises a first fuel injection nozzle (3) and a second fuel injection nozzle (4), the total cross- sectional area of the nozzle holes (4a) of the second...  
WO/2019/117917A1
Methods and systems, using a controller (20), for performing fuel pressure control operation of an engine (12) having at least one cylinder (16) is disclosed. The controller (20) includes a fuel system control unit (42) configured to con...  
WO/2019/048132A1
The invention relates to a method for operating an internal combustion engine, in which a gaseous and/or liquid fuel is or are injected into a combustion chamber of the internal combustion engine and for the injection a fuel injection va...  
WO/2019/039480A1
Provided is a fuel injection valve (20) comprising: a needle valve (31) for connecting and disconnecting a high-pressure chamber (33) and an injection hole (34); a driven valve (41) which is provided within a control chamber (46), and th...  
WO/2018/231557A1
An insert (300) for use with a fuel injector comprises a shaft (302) including a substantially cylindrical configuration defining a shaft cylindrical axis (A302), a shaft radial direction (R304), and a shaft diameter (D302); and a head (...  
WO/2018/153740A1
The invention relates to a fuel injection valve for injecting a gaseous and/or liquid fuel into a combustion chamber of an internal combustion engine, comprising a first valve element (3) accommodated in a central bore (1) of a nozzle bo...  
WO/2018/154955A1
This fuel injection device is provided with valve mechanisms (100, 200) and a driving part (30). The valve mechanisms have: first control valve bodies (110, 210) which are driven by the driving part to open/close an outflow opening part ...  
WO/2018/069058A1
The invention relates to a method for the operation of a fuel injector having a hydraulic stop, the fuel injector having a solenoid drive and a pole piece, the solenoid drive having a movable armature and a nozzle needle, which can be mo...  
WO/2018/069041A1
The invention relates to a method for operating a fuel injector (1) having a hydraulic stop at a predetermined fuel pressure, wherein the fuel injector (1) has a magnet coil drive having a magnet coil (3) and a movable armature (4). The ...  
WO/2017/194260A1
The invention relates to a fuel injection valve (1) for internal combustion engines for injecting fuel under high pressure into the combustion chamber of an internal combustion engine. The fuel injection valve has a nozzle body (2) havin...  
WO/2017/184858A1
A method for compensating for a variable distance between two components of an apparatus for providing a fluid filtering device therebetween is provided. The method comprises placing an adjustable filtering device between two components,...  
WO/2017/174309A1
The invention relates to a pressure control system (100) for gas-operated internal combustion engines, comprising a gas line (11) for supplying a gas valve (1) with gaseous fuel, wherein a pressure regulator (15) for adjusting a constant...  
WO/2017/167646A1
The invention relates to an actuator assembly for a fuel injection valve for injecting gaseous and/or liquid fuel into a combustion chamber of an internal combustion engine, comprising a magnetic actuator (1) with an annular magnetic coi...  
WO/2017/153170A1
The invention relates to a nozzle assembly for a fuel injection valve for injecting a gaseous and/or liquid fuel into a combustion chamber of an internal combustion engine, the assembly comprising a nozzle body (1) with a guide section (...  
WO/2017/123210A1
This invention discloses a combustion method, which is for an internal combustion engine, which utilizes variable spray patterns matched with a combustion chamber composing of multiple connected spaces based on injection timings and engi...  
WO/2017/108244A1
The invention relates to a fuel injector for injecting two liquid and/or gaseous fuels with an injector housing (1), comprising a nozzle body (2) and a valve body (3). A first nozzle needle (7), arranged such that it can move in a stroke...  
WO/2017/097777A1
A fuel injector (10) comprises a solenoid (24) and a nozzle in the body (30) of which a movable member (32) is slidingly guided along a longitudinal axis (X), the movable member (32) extending between a bottom end and a top end provided ...  
WO/2017/099064A1
A plurality of injection rate waveforms include an isobaric injection rate waveform for performing a control so that the cylinder pressure in a combustion chamber (10a) is equal to or less than the maximum cylinder pressure, the isobaric...  
WO/2017/076508A1
The invention relates to a method for controlling a fuel injector for an internal combustion engine, in which an anchor rod is adjusted by subjecting it to an activation current by an actuator before the start of the fuel injection.  
WO/2017/050465A1
The invention relates to a device for metering two different liquid or gaseous fuels, comprising a nozzle element (4) in which a first pressure chamber (6) that can be filled with a first fuel is formed, wherein an outer nozzle needle (1...  
WO/2017/038392A1
A fuel injection nozzle equipped with an injection hole (14), a cylindrical nozzle body (3), the tip end of which has a suction chamber (15) formed therein to which the intake port (21) of the injection hole opens, and a needle (2) house...  
WO/2016/199348A1
A gasoline fuel supply system is provided with a feed pump unit (10), an inline pump unit (20), and a high-pressure pump unit (30). The feed pump unit, which has a non-positive-displacement electric pump (11), pumps up gasoline fuel from...  
WO/2016/116993A1
This fuel injection valve control device (1) controls a fuel injection valve (10) for injecting fuel into a combustion chamber (110), and is provided with an operating condition calculation unit (241) which calculates a fuel injection co...  
WO/2016/118012A2
An assembly at least comprising a fuel injector for dual fuel operation of an internal combustion engine. The assembly includes a nozzle holder defining a fuel circuit and provided with a nose adapted in use to be in connection with a co...  
WO/2016/097799A1
This fuel injection system (100) of an internal combustion engine comprises: - an injector (10) having a hydraulic control chamber (12) controlling the delivery of fuel through the injector (10), - an actively controlled first valve syst...  
WO/2016/078735A1
Disclosed is a dual fuel injector (1) comprising: - a first injector unit (3) provided for a first injector operating mode using a first main fuel; - a second injector unit (17) provided for a second injector operating mode using a secon...  
WO/2016/055136A1
The invention relates to a dual fuel injector (1) comprising a gas injector assembly and a liquid fuel injector assembly, comprising: an injector housing (55), a clamping nut (77) which is arranged in a tensioned manner on the injector h...  
WO/2016/019240A1
A system and method are provided for monitoring a pressure of fuel supplied to the fuel injector, and providing a control input voltage to the piezostack in response to the pressure to cause the injector to provide a fuel injection havin...  
WO/2016/010449A1
The present invention relates to an arrangement (1) and method for fluid injection, comprising an injector (2), with a chamber (3) for fluid, an opening (4) and a device (5) to change the volume within the chamber (3). The arrangement...  
WO/2015/150183A1
The invention relates to a fuel injector (10; 10a; 10b), having an injector housing (11), in which a high pressure chamber (28) is configured, having an injection element (30) which is arranged in the injector housing (11) and can be rai...  
WO/2015/146090A1
A control device (40) for controlling fuel injection by a fuel injection valve (30) is equipped with: a setting part (42) for setting a required injection amount, that is, an injection amount required of the fuel injection valve (30); a ...  

Matches 1 - 50 out of 3,336