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WO/2023/218179A1 |
A modular fuel injector (100) is provided. The modular fuel injector (100) comprises a housing (102) comprising a housing inlet (400), a valve port (402), and a housing outlet (404); and a valve (104) coupled to the housing (102) via the...
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WO/2023/204745A1 |
A fuel injector (1) is disclosed comprising a needle (15) a fuel supply port (17) fluidly connected to a fuel cavity (13) and a control valve arrangement (3) comprising a control valve (4) fluidly connected to the fuel cavity (13). The c...
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WO/2023/194113A1 |
The present invention relates to a fuel injector (1) comprising a valve piece (2) with a valve seat area (20) provided with a diffusor opening (21); wherein the valve piece (2) includes a groove (23) around the diffusor opening (21), sai...
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WO/2023/166139A1 |
The invention relates to a fuel injection valve (10.1), comprising a nozzle chamber (165) and a first and a second injection valve seat (163, 164), and at least one first and at least one second injection opening (161, 162) emanating fro...
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WO/2023/144362A1 |
The invention relates to a magnet assembly (10) for a fuel injector (100), comprising an armature (26) which is arranged so as to be movable by lifting in the direction of a longitudinal axis (28) and is coupled to a valve element (42), ...
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WO/2023/133034A1 |
A fuel injector including a flow balanced injector needle seal is provided. The fuel injector includes a needle in a fuel passage of the fuel injector body. The needle moves longitudinally in the fuel passage to selectively stop and star...
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WO/2023/105919A1 |
This fuel injection device, which injects a fuel into a combustion chamber of an internal combustion engine, comprises: an injection port for injecting the fuel into the combustion chamber; a first flow passage which connects the injecti...
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WO/2023/098178A1 |
The present application relates to the technical field of engines, and disclosed in the present application are a low-carbon fuel injection device and an engine. The low-carbon fuel injection device comprises a housing (1), a solenoid va...
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WO/2023/079163A1 |
The present invention relates to a fuel injector for injecting a fuel into a combustion chamber of an internal combustion engine, in particular a diesel engine, which comprises a feed opening for feeding in fuel, at least one outlet open...
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WO/2023/026518A1 |
[Problem] To provide a diesel engine, a diesel engine manufacturing method, and a diesel engine injection-amount correction system that enable easy improvement of the accuracy of correcting fluctuations in a fuel injection amount. [Solut...
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WO/2023/007999A1 |
This fuel injection valve comprises: a main body portion including an inflow port into which fuel supplied from a fuel supply source flows, a flow passage through which the fuel that has flowed in from the inflow port flows, and a discha...
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WO/2023/280866A1 |
The invention relates to an injector (10) for discharging a pressurized working medium into a combustion chamber (1) of an internal combustion engine (2), comprising: - an injector housing (22), in which a nozzle needle (34) is longitudi...
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WO/2023/277976A1 |
Fuel injection control systems and methods for enhancing the delivery of low quantities of fuel in internal combustion engines. Calibration/control data may be continuously generated and updated during the operation of the engine, for ex...
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WO/2022/235325A1 |
Provided are methods and fuel injection systems implemented with a plurality of injectors coupled with a common rail, the common rail coupled with a pressure sensor, and the pressure sensor coupled with a processor. The method includes: ...
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WO/2022/184777A1 |
Control valve assembly for an injector, comprising a control valve body (1) housing a longitudinal tubular sleeve (2) in which is received a reduced diameter stem (41) of a control valve member (4) which may move axially in a longitudina...
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WO/2022/167145A1 |
The injector has an injector needle (2) by means of which an outlet opening (4) of an injector housing (1) can be closed. The injector needle (2) can be adjusted in pressure-controlled fashion from a closed position into an open position...
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WO/2022/139684A1 |
A dual fuel injector for an engine, comprising a main housing, an outer valve body connected to the main housing, an intermediate body and a needle valve. The outer valve body comprises a first fuel nozzle and a first valve seat. The int...
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WO/2022/052578A1 |
A high-pressure gasoline supply device, comprising a gasoline tank (11) configured to store gasoline; a gas-liquid booster pump (12) communicated with the gasoline tank (11) and an air compressor (19) respectively; a high-pressure accumu...
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WO/2021/198046A1 |
The invention relates to a fuel injector housing which comprises a portion for accommodating a magnetic valve or piezo valve controlling a nozzle needle, a pressure accumulator for accommodating fuel at high pressure, and at least one fu...
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WO/2021/198049A1 |
The invention relates to a fuel injector (1), comprising an injector housing (2, 3, 4, 5) for receiving injector components, a nozzle needle (6) which is movably arranged along its longitudinal axis (X) in the injector housing and is des...
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WO/2021/198024A1 |
The invention relates to a needle stroke switch and to a fuel injector having such a needle stroke switch, the needle stroke switch for a fuel injector comprising a seat plate having a plate-like main body and a passage connecting the tw...
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WO/2021/165275A1 |
The fuel injection valve (10) has a hydraulic control device (72) for controlling the axial movement of the injection valve member (56). The stem (76) of the intermediate valve member (78) of mushroom-shaped configuration of the intermed...
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WO/2021/160765A1 |
A control valve assembly for a diesel fuel injector (10), the control valve assembly comprising an interface between a sleeve (42) and a valve body (30) of the valve assembly provided with an annular groove having a substantially triangu...
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WO/2021/139983A1 |
The invention relates to an electromagnetic actuator (20) of a diesel fuel injector (10), the actuator (20) comprising: - a fixed electrical coil (22) provided with an axial blind hole (34), - a resilient device (30) compressed between a...
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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...
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WO/2021/121971A1 |
The invention relates to a fuel injector for injecting fuel under high pressure, comprising a housing (1) equipped with a nozzle needle (10) which can be moved in a longitudinal direction and a seal surface (11) of which opens and closes...
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WO/2021/110663A1 |
The invention relates to a fuel injection valve for intermittent fuel injection into the combustion chamber of an internal combustion engine, the valve having a slide valve body (42) which is guided by a sliding fit (40). A blind-hole-sh...
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WO/2021/057018A1 |
Disclosed is an electronic control common-rail-type heavy oil injector, comprising an oil injector body (1), an electro-hydraulic control member, and a nozzle member, wherein an annular groove (110) is provided in the middle of an outer ...
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WO/2021/043380A1 |
A method of testing a valve body (22) of an injector valve (10) for liquid gas is provided. The method comprises supplying control oil to a nozzle piston (41) via a control oil channel (30) at a first control oil pressure, which first co...
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WO/2021/037365A1 |
The present disclosure relates to a fuel injection system (100) for an internal combustion engine, comprising: - a first fuel source (1) for providing fuel of a relatively high pressure; - a return channel (50) connected to a second fuel...
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WO/2021/009466A1 |
The hydraulic cam injection system (100) comprises an injection valve (50) housed in a tubular injection nozzle (54), a gap being left between a valve stem (51) of the valve (50) and the inner surface of the tubular injection nozzle (54)...
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WO/2021/001020A1 |
The present disclosure relates to a flow control system (1) for a fuel injector of an internal combustion engine, comprising: - an inlet channel (2) for receiving a pressurized fuel, - an outlet channel (15) for letting out the pressuriz...
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WO/2020/260285A1 |
The fuel injection valve (10) has a hydraulic control device (72) for controlling the axial movement of the injection valve member (56). The stem (76) of the intermediate valve member (78) of mushroom-shaped configuration of the intermed...
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WO/2020/260666A1 |
A fuel injector comprises a nozzle (12) with a body (24) defining an internal bore (28) in which a needle (30) is axially moveable and having a spray extremity with injection orifice(s). The needle has an axially symmetrical shaft portio...
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WO/2020/245011A1 |
The invention relates to a fuel injector (1) for the injection of gaseous fuels into a combustion chamber of an internal combustion engine, comprising at least one nozzle needle (2) which can move in a reciprocating manner and which serv...
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WO/2020/233990A1 |
The invention relates to a nozzle assembly (1) for a fuel injection valve for injecting a gaseous and/or liquid fuel into a combustion chamber (2) of an internal combustion engine, comprising a closing element (4), which interacts with a...
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WO/2020/231588A1 |
A fuel system (20) includes a plurality of fuel injectors (32) each having an injection control valve assembly (34), a direct operated nozzle check (36), a high pressure nozzle supply passage (62), and a check control chamber (66). A com...
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WO/2020/231587A1 |
A fuel system (20) includes a plurality of fuel injectors (32) connected to a common drain conduit (38), and a plurality of isolation valve assemblies (40) each positioned fluidly between the common drain conduit (38) and one of the plur...
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WO/2020/227048A1 |
In at least some implementations, a charge forming device includes multiple throttle bores, an inlet chamber in which fuel is received, at least one fuel passage communicating the inlet chamber with the throttle bores, and a valve having...
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WO/2020/193795A1 |
Disclosed is a method for determining a drift in the fuel static flow rate of a piezoelectric injector of a motor vehicle heat engine. The method relies on measurements of the fluid pressure performed in the supply chamber of the injecto...
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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...
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WO/2020/149195A1 |
This fuel injection device includes a control valve (60) and an actuator (70). The actuator (70) opens a discharge port (37) by drawing in the control valve (60) in an opening direction. The fuel injection device is provided with a restr...
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WO/2020/143914A1 |
A hydraulic valve comprises a rod (58) guided slidingly in a bushing along a guidance zone (ZG) comprising a convergence zone (ZC) in which the forces acting on the rod tend to recentre it in the bushing and, a divergence zone (ZD) in wh...
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WO/2020/136025A1 |
A fuel injector (10) having a fuel flow path having a total length (H) between a valve seat (41) and a fuel pressure control chamber (50) comprising a length (L1) of an A-throttle (32), a distance (L2) between the A-throttle (32) and the...
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WO/2020/116427A1 |
An injection control device for an internal combustion engine (70) controls a fuel injection amount from a fuel injection valve (20) by changing a lift amount of a nozzle needle (31). The injection control device includes a drive control...
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WO/2020/116426A1 |
A fuel injection system that comprises: an accumulator vessel (11) that stores fuel at high pressure; and fuel injection valves (20) that are provided to each of a plurality of cylinders of an internal combustion engine and eject the hig...
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WO/2020/112362A1 |
A filter for filtering hydraulic fluid in a hydraulically actuated fuel injector. The filter includes a first disc structure and a second disc structure disposed axially spaced apart from the first disc structure. The second disc structu...
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WO/2020/098179A1 |
A plunger fuel injector, comprising: a body (1), wherein the body (1) is provided with a plunger hole, an inlet (5) of a fluid to be injected, an injection opening (6), and a lubricating oil inlet (7); a lower plunger (2) slidably fitted...
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WO/2020/085315A1 |
In the present invention, a fuel injection valve (20) comprises: control chambers (36, 46) to which a high-pressure fuel from a pressure-accumulating pipe (11) is supplied; a needle valve (31) that opens/closes an injection hole (34) acc...
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WO/2020/077181A1 |
One embodiment of the invention relates to an electronic fuel injection module including a throttle body including a throat extending between an inlet port and an outlet port and a fuel delivery injector unit. The fuel delivery injector ...
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