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WO/2024/017813A1 |
The invention relates to a fuel injector for the metered delivery of a gaseous or liquid fuel, having a housing (1) in which a compensation space (3) is formed which is delimited by a tubular bellows (5) and can be filled with a lubrican...
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WO/2024/003928A1 |
The present invention relates to a fuel injection system (100) for a direct injection internal combustion engine (60) and a method (200) of control thereof. The fuel injection system (100) comprises a fuel pump (110) mounted on a cylinde...
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WO/2023/247162A1 |
The present invention relates to a fuel rail (100) with a cylindrical tube hole (10) extending along a first central axis (A1). At a first end (1), the fuel rail (100) comprises a sealing plug housing (11). At a second end (2) distal to ...
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WO/2023/232363A1 |
The present application proposes fuel rail (1000) that comprises a tube (10) with a tube hole (11) and a plurality of injector cups (20) in fluid flow communication with the tube hole (11) via a respective plurality of T-shaped cross bor...
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WO/2023/209159A1 |
The present invention relates to a fuel rail (1000) that comprises a tube (10) with a tube hole (11). The fuel rail (1000) further comprises and a plurality of injector cups (20) in fluid flow communication with the tube hole (11) via a ...
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WO/2023/174612A1 |
The invention relates to a compact high-pressure accumulator (1a; 1b) for testing fuel injection pumps (24), in particular diesel injection pumps (24), comprising an accumulator volume (36), which is designed and provided to receive a fl...
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WO/2023/169932A1 |
The invention relates to a power unit comprising an internal combustion engine and a reservoir of pressurized gas used to boost said internal combustion engine, said power unit comprising an upstream distribution rail (1) for distributin...
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WO/2023/162703A1 |
A connector (1) comprises: a housing body (10); a pressing member (40); and an elastic film (30). The housing body (10) has a bottomed cylindrical first cylinder portion (11) having a first opening (P1), and a housing annular seat surfac...
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WO/2023/161366A1 |
The invention proposes a fuel distributor (10) comprises a plug closure system (20) having a plug (22) with a O-ring (24) on the plug (22) inserted into the inlet (15) of the connection bore (14) and a pin (21) on an end (16) of the inle...
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WO/2023/162093A1 |
The present invention comprises: a fuel delivery pipe 35 that extends along the direction in which cylinders of an engine are arranged and that supplies fuel to a plurality of fuel injection valves; a pulsation damper 40 that is installe...
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WO/2023/161367A1 |
The invention proposes a fuel distributor (10) for a fuel charge assembly. The fuel distributor (10) comprises a plug closure system (20) having a plug (22) with a first groove (23) formed on the plug (22) to fix a fixing member (21) on ...
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WO/2023/150621A1 |
A port fuel injection system includes a fuel pump configured to produce a flow of pressurized liquid fuel at a pressure between 10 and 50 bar. A fuel rail is connected to receive the flow of pressurized liquid fuel from the fuel pump, th...
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WO/2023/148238A1 |
An injector and rail assembly for a common rail fuel injection system; the injector and rail assembly comprising a fuel injector comprising a head for receiving fuel and a neck region for supporting the head end, a common rail housing de...
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WO/2023/145364A1 |
This fuel system comprises: fuel injection valves; a fuel supply path through which fuel is supplied to the fuel injection valves; a fuel return path through which excess fuel at the fuel injection valves is returned; a leakage fuel retu...
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WO/2023/131865A1 |
A conditioning system of a liquid fuel for an Otto-cycle engine, the system comprising a first fuel heating device (CG) and a second fuel heating device (EH, GP), arranged downstream of the first heating device in a direction of circulat...
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WO/2023/119852A1 |
In an electromagnetic fuel injection valve (I), when a fuel filter (20) and an orifice member (21) are press-fitted onto the inner peripheral surface of a cylindrical fuel inlet portion (7), interference of press-fit allowances of the fu...
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WO/2023/119921A1 |
In order to provide a supply pipe that is for a vehicular gaseous fuel and that can, when the pressure pulsation of the gaseous fuel is to be suppressed, inhibit an increase in the cost and weight thereof, and can increase the degree of ...
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WO/2023/118415A1 |
The invention relates to a fuel-rail assembly (1) comprising - an injector (20) having a proximally disposed inlet portion (21) defining an inlet channel (22) and extending along an axial direction (A), - a fuel rail (10) connected to th...
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WO/2023/114122A1 |
A fuel return device couples to the high pressure side of a DI fuel system. The fuel return device provides for both continuous bleeding and occasional purging of fuel from the high pressure side to prevent issues related to vapor accumu...
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WO/2023/099769A1 |
According to an aspect of the invention, there is provided a pump (101) for a fuel injection system. The pump (101) comprises: a main housing (112); a plunger housing (114) arranged to be coupled to the main housing (112); and a gasket (...
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WO/2023/094306A1 |
The present invention relates to a device for direct injection of a gaseous fuel, in particular hydrogen, which device comprises: a pressure-control unit which is designed to convert a supplied variable pressure level of the gaseous fuel...
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WO/2023/090373A1 |
Provided is a treatment method for softening a surface layer of a stainless steel fuel pipe terminal having a high sealing performance, with which the sealing performance can be ensured even if a seal surface has a high hardness, and wit...
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WO/2023/088961A1 |
The invention relates to a fuel-rail assembly (1) comprising - a fuel rail (10) having an outlet portion (12) made of metal and defining an outlet channel (13), - an injector (20) having an inlet portion (21) made of metal and defining a...
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WO/2023/068222A1 |
In this support structure for a fuel injection valve (1), a snap protrusion (21), which snap-engages with an outer peripheral surface of a fuel introduction barrel part (4) received in a notch (19), is formed on an inside surface of the ...
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WO/2023/068223A1 |
The present invention provides a fuel injection valve support structure which has a simple structure and which makes it possible to prevent a fuel injection valve from rotating about the axis of a valve housing thereof, without providing...
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WO/2023/059662A1 |
In general, the subject matter described in this disclosure can be embodied in a fuel injector that includes an upper housing portion that defines an inlet passage adapted to receive fuel, and a lower housing portion that is attached to ...
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WO/2023/052039A1 |
The invention relates to a piston pump (16), in particular a high-pressure fuel pump, comprising a pump housing (24), a receiving chamber (30) which is provided in the pump housing (24) and which communicates with a fluid region (40), an...
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WO/2023/051900A1 |
Invention relates to a sealed coupling (10) between two body parts (12,14) of a fuel system (102) for an internal combustion piston engine, where fuel temperature is lower than temperature of surroundings of the body parts (12,14), in wh...
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WO/2023/042800A1 |
This fuel distribution pipe for distributing and supplying fuel to a plurality of injectors is provided with: a metal portion forming a storage space for storing the fuel; and a resin portion which is joined to the metal portion so as to...
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WO/2023/041219A1 |
The invention relates to a method for rounding inner bore edges of a common rail component, having the steps of flushing an inner bore using an electrolyte solution or providing a flow of electrolyte solution through the inner bore durin...
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WO/2023/036646A1 |
A cyclically operating pump comprises a pump housing (12) and an outlet stub (32) which is welded by means of a peripheral welded region (30) and, in its interior immediately adjacently to the welded region (30), has a first hydraulicall...
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WO/2023/032824A1 |
A fuel rail assembly (10) for delivering fuel to at least one fuel injector (50). The assembly includes a main pipe (12) defining a passageway (14) through which fuel passes to the fuel injector. A fastener mount (20) is forged with the ...
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WO/2023/285314A1 |
The present invention relates to a valve plate (9) for an injector (1) for injecting fuel, more particularly for injecting a gaseous fuel, comprising: - a plate-type main body (91), which has two planar sides; and - a through-hole (92), ...
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WO/2023/281992A1 |
A fuel pump according to the present invention includes: a pump head; a plurality of plunger barrel units that are mounted in parallel with the pump head and that include a plurality of pressurization chambers in which a plurality of plu...
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WO/2022/270005A1 |
The present invention addresses the problem of providing a fuel injection system with which it is possible to suppress distortion of an injector during component assembly. A fuel injection system (3) comprises: a bracket (5) fixed to a c...
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WO/2022/268557A1 |
A method (200) for handling a vent gas mixture comprising fuel vapours of a fuel and inert gas, the vent gas mixture originating from a fuel system (120), the method (200) comprising: directing (S202) the vent gas mixture from the fuel s...
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WO/2022/268567A1 |
The invention relates to a gas storage device (1), more particularly a gas rail, comprising at least one connection region (2) for connection of an injector (3) or an injector group (4), a controllable valve (5) for shutting off the inje...
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WO/2022/268877A1 |
The present invention proposes a fuel rail (10) for an internal combustion engine, comprising: a forged tubular body (20) extending along a longitudinal axis (A) with an inner longitudinal bore and the fuel rail (10) comprises: a first r...
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WO/2022/270227A1 |
This fuel pressure accumulating device comprises: a fuel pressure accumulating unit inside which a pressure accumulating space is provided; a fuel inflow unit which is fitted to the fuel pressure accumulating unit and through which fuel ...
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WO/2022/268599A1 |
An arrangement (100) and a method for handling purged alcohol- based fuel originating from an alcohol fuel system (108) configured to fuel an alcohol fueled engine (112), the arrangement (100) comprising: a boiler system (102) comprising...
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WO/2022/243071A1 |
A fuel pump (18) comprising a fuel pump housing (28) with a pumping chamber (38) defined therein and an inlet valve bore (28a) extending along an inlet valve bore axis (28b) to an exterior of said fuel pump housing (28). A pumping plunge...
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WO/2022/230743A1 |
The present invention makes it possible to avoid stress concentration due to fuel pressure at and around a communication opening which is located between a fuel passage in a fuel rail body and a branching hole, and which is subject to th...
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WO/2022/207287A1 |
The invention relates to a fuel injection valve (10) for injecting a gaseous and/or liquid fuel (B) into the combustion chamber (1) of an internal combustion engine, comprising a first injection valve member (20), which is liftably arran...
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WO/2022/209629A1 |
A connector (1) comprises: a cylindrical housing body (10) that forms a main channel (C) and comprises a third opening (P3) that is formed in the middle of the main channel (C); a housing cylindrical part (20) that is formed in a cylindr...
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WO/2022/210229A1 |
The present invention addresses the problem of providing a support implement that eliminates any difficulty encountered in mounting work and shortens the time required for mounting work.　This support implement (10), which supports an o...
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WO/2022/200023A1 |
A fuel delivery system includes a connection assembly (60) that reliably connects a high pressure fuel supply line (4) to an inlet (26, 40) of a fuel rail (20). The connection assembly (60) includes a fitting that decouples the retention...
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WO/2022/184481A1 |
The invention relates to an impact protection device (3) for an injection system (4) of an internal combustion engine (2), the protection device (3) having a body (5) and a coupling member (6), connected to the body (5), configured to ex...
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WO/2022/179868A1 |
A damper cup (72) houses a pulsation damper (68) of a fuel pump (20) such that the damper cup (72) defines a fuel volume (70) together with a fuel pump housing (28) of the fuel pump. The damper cup (72) includes a sidewall (72a) which is...
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WO/2022/168530A1 |
Provided is a pressure piping steel pipe subjected to autofrettage, wherein the average hardness of an outer surface layer region is at least 1.20 times greater than the average hardness of an inner surface layer region, and, in the case...
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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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