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WO/2023/237461A1 |
The invention relates to a method for actuating an injector (1), in particular a fuel injector, in which method the stroke movement of a nozzle needle (2) for opening and closing at least one injection opening (3) is controlled by means ...
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WO/2023/195881A1 |
A ring nozzle relates to a fuel injection nozzle for efficiently purging and filling an ICE cylinder with air. The present nozzle can be used in ICEs of water and land vehicles alike. The technical result of the claimed invention is a br...
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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/2022/263110A1 |
The invention relates to a fuel injection system (100; 100a; 100b), comprising a plurality of fuel injectors (1), at least one control unit (25, 35), which is designed to at least indirectly control injection elements (2) for injecting f...
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WO/2022/251965A1 |
An improved apparatus for injecting and igniting fuel in an internal combustion engine includes a nozzle with a bore and a tip at a distal end. The bore includes a longitudinal axis and an annular valve seat. A needle reciprocates within...
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WO/2022/251964A1 |
A shielded igniter includes a positive-ignition source surrounded by a shield defining a shielded space. The shield includes an inlet hole, a first outlet hole and a second outlet hole. The shielded igniter is disposed within a cylinder ...
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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/2022/182888A1 |
An active prechamber device (100) may include a prechamber housing (108) longitudinally aligned with a main axis (112). The active prechamber device may also include a prechamber nozzle (110) forming a cap at an end of the prechamber hou...
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WO/2022/169595A1 |
A dual fuel system (24) for an internal combustion engine (12) includes a first fuel supply (26) of a liquid pilot fuel, a primary fuel supply (34) of a liquid primary fuel, and a dual fuel injector (42). The dual fuel injector (42) incl...
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WO/2022/083807A1 |
An actuator for control of dose of fuel injected by a high-pressure fuel injection pump of a compression-ignition engine, comprising a rotary electromagnet with a rotor (1) on a shaft (3). The shaft (3) is mounted in at least one bearing...
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WO/2022/079367A1 |
The valve oriented by a pin (50) comprises a main valve body (8) which is housed in a stratification channel (7) and which exposes an axial sealing face (10) which is able to rest on a channel sealing seat (11) for insulating a stratific...
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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...
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WO/2022/028907A1 |
A method for introducing a fuel into at least one combustion chamber (16) of an internal combustion engine (10), in the case of which method at least one injector (18) is actuated by means of an electronic computing device (20), as a res...
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WO/2021/233653A1 |
The invention relates to a fuel injector for injecting highly pressurized fuel into the combustion chamber of an internal combustion engine, comprising a multipart housing (1), the housing parts (2; 3; 4; 5) thereof being clamped against...
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WO/2021/195093A1 |
A method of controlling a skip-fire cylinder deactivation system of an engine system is provided. The method includes a controller deactivating a cylinder of the engine system to operate the engine system in a skip-fire mode. The method ...
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WO/2021/116216A1 |
An injector apparatus (210) for injecting fluid under pressure into an associated chamber (232) is provided. The injector apparatus (210) includes a first piston (214) defining a first working area facing an associated chamber, and a hig...
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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/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/2020/229775A1 |
The invention concerns an ignition insert (1) having an active prechamber, said insert comprising an insert well (72) arranged within a cylinder head (3) of an internal combustion engine (2), the well (72) housing a rotationally-indexed ...
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WO/2020/207534A1 |
The invention relates to an arrangement of a spark plug (8) in a spark plug sleeve (6) consisting of a metallic material, said spark plug sleeve comprising a cylindrical receptacle (15) extending eccentrically to its outer fastening sect...
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WO/2020/172011A1 |
A fuel injector assembly (28) includes a fuel injector (30) and an annular filter (38) coupled with the fuel injector (30), the annular filter (38) being snap-fitted with one of a nozzle case (48) or an injector body (52) of the fuel inj...
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WO/2020/144194A1 |
The invention relates to a fuel injector (10), in particular a common rail injector, comprising: an injector housing (11), in which a high-pressure chamber (15) is formed which can be supplied with pressurised fuel via a supply bore (19)...
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WO/2020/079050A1 |
The invention relates to an injector for injecting fuel, comprising an injector housing, a movable nozzle needle, which is arranged in the injector housing and has a nozzle needle tip, and a nozzle needle seat for receiving the nozzle ne...
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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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WO/2020/025262A1 |
A nozzle assembly of a fuel injector comprises a nozzle with a body extending along a main axis, in which a needle (30) is axially moveable between a closed position, in which a first end (34) of said needle rests on a valve seat to prev...
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WO/2019/243020A1 |
An injector nozzle having a first part having a stem and a flange, the flange having a flange surface, a body including a wall defining a hole, an annular nozzle ring having a first surface and a second surface wherein the first surface ...
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WO/2019/241866A1 |
The present disclosure relates to a method of testing a unit pump system performance. In one embodiment of the present disclosure, the method of testing a unit pump system performance determines if mechanical and/or electrical stability ...
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WO/2019/215033A1 |
A method of determining the nature of a fault in the operation of a hydraulic fuel injector, said injector including needle control valve (NCV), controlled by an electrical actuator, said needle control valve adapted to hydraulically con...
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WO/2019/186290A1 |
The present invention provides a fuel injection device capable of preventing operation failure of an armature valve and supplying a desired fuel injection amount to an engine even when deposits resulting from the fuel have formed around ...
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WO/2019/160533A1 |
A fuel pump for an internal combustion engine comprising a barrel having a longitudinal axis that spans between a proximal end and a distal end and a central bore therein. A plunger is disposed at least partially in the central bore and ...
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WO/2019/141728A1 |
An ignition device (10) for a gas engine, having an ignition device housing (12), a pre-chamber (16) and a fuel feed means (18) for feeding fuel for an initial ignition into the pre-chamber (16) is configured and developed with regard to...
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WO/2019/130329A1 |
The present invention shall disclose a hyper-technical fuel injector for very small to very large engines. The hyper-technical fuel injector comprises of any conventional fuel injector characterised in engraving plurality of grooves on t...
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WO/2019/057959A1 |
A fuel injector (12) comprises a noise sensor (60) fixed to the body fixed on the injector a body (28) to record knocks relevant to the end travel of a control valve and of a needle.
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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...
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WO/2019/030021A1 |
A circuit arrangement for electrical connection between an ECU and a switch integral within a fuel injector, said circuit arrangement comprising a first resistance, and arranged in parallel with said first resistance, a diode and second ...
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WO/2019/002440A1 |
An electrical connector having two lateral mounting bush wherein, a knock sensor (60) adapted to deliver data representative of the operation of a fuel injector is integrally overmoulded in one of the mounting bush, said knock sensor com...
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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 (...
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WO/2018/192828A1 |
A needle valve member (12) of a fuel injector (10) coated in a first zone (44) with an electrically isolating wear resistant material and, remaining electrically conductive in a distinct second zone (42).
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WO/2018/167085A1 |
A fuel supply valve (502, 822) for a slurry fuel injector valve (500, 800), the fuel supply valve comprising: a fuel inlet (802) for fluid communication with a slurry fuel reservoir; a fuel outlet (804) for fluid communication with a noz...
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WO/2018/167086A1 |
Disclosed is a slurry fuel injector valve (200), comprising: a fuel outlet valve (220) through which slurry fuel is able to exit the slurry fuel injector valve towards a combustion chamber of an engine; a pump cavity (230); a pump elemen...
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WO/2018/167083A1 |
A fuel supply valve for a slurry fuel injector valve comprises a fuel inlet in fluid communication with a slurry fuel reservoir. A fuel outlet is in fluid communication with a nozzle of the fuel injector valve. A pump chamber port is in ...
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WO/2018/072998A1 |
The invention relates to a method for determining the pressure in a combustion chamber (1) of an internal combustion engine using a fuel injector (2), which fuel injector comprises a nozzle body (3) with at least one spray hole (4) and c...
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WO/2017/191730A1 |
This fuel injection control device includes a correction unit (21) which uses a valve closing timing detected using a timing detection method, to calculate a correction coefficient for correcting a valve closing timing detected using an ...
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WO/2017/191729A1 |
This fuel injection control device includes: a valve closing detection unit (54) which uses one detection method from among an electromotive force amount detection method and a timing detection method to detect a valve closing timing; a ...
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WO/2017/191732A1 |
This fuel injection control device is provided with a conduction time calculation unit (S14), a detection unit (54), an estimation unit (55), a correction unit (S13), a sudden change determination unit (S41, S41a), and a reflection speed...
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WO/2017/191728A1 |
This fuel injection control device includes: a valve closing detection unit (54) which uses one detection method from among an electromotive force amount detection method and a timing detection method to detect a valve closing timing; an...
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WO/2017/191731A1 |
This fuel injection control device is provided with a conduction time calculation unit (S12), a setting unit (S14, S15), a conduction control unit (S16), a detection unit (54), an estimation unit (55), and a changing unit (S47). If parti...
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WO/2017/186691A1 |
A nozzle assembly (12) of a fuel injector (10) provided with a contactless switch means (59) adapted to commute between an open state and a closed state to enable electrical detection of the position of the needle (16).
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WO/2017/186396A1 |
A method for operating a piezo-actuator as a sensor in a piezo-operated injector is described, in which the air gap between a piezo-actuator and a servo valve is removed by partially charging the piezo-actuator. A measurement pulse is ge...
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WO/2017/186819A1 |
Fuel injector for an internal combustion engine, comprising an injection nozzle (12) with a body (16) in which there is positioned a needle (14) able to move between a closed position (PF), in which a first end (48) of the needle rests a...
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