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WO/2021/028170A1 |
The invention relates to a high-pressure fuel pump (28) comprising a low-pressure region (43) and a pressure pulsation damper (44) arranged in the low-pressure region (43), the pressure pulsation damper (44) comprising at least one diaph...
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WO/2021/028344A1 |
The present invention relates to a flow limiter for a fuel injection system, which flow limiter comprises: a throttle bush, which has a through-hole; a throttle insert, which is movably held in a first portion of the through-hole; a seal...
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WO/2021/028282A1 |
The invention relates to a high-pressure fuel pump (30) comprising a housing (58), a pump chamber (60) arranged in the housing (58), and a pump piston (62) that can move in the housing (58) and delimiting the pump chamber (60). A pressur...
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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/2020/260667A1 |
A common rail system for a fuel injection system of an internal combustion engine, the common rail system comprising: a high pressure pump for receiving fuel from a fuel tank; at least one fuel injector for delivering fuel to the interna...
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WO/2020/255344A1 |
This internal combustion engine, which has a first fuel pump that suctions fuel via a fuel filter and a second fuel pump that supplies the fuel to a fuel injection device, comprises: a first fuel pipe connecting the fuel filter, the firs...
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WO/2020/254360A1 |
A fuel rail assembly (2) for a fuel injection system for a multi-cylinder internal combustion engine is provided. The fuel rail assembly comprising a fuel rail (4) comprising an elongate generally tubular body forming a fuel reservoir an...
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WO/2020/242937A1 |
A fuel injector cup includes a body having a first opening configured to receive fuel into the body and a second opening configured to receive a fuel injector for dispensing fuel. The cup further includes a mounting flange coupled with t...
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WO/2020/241058A1 |
A fuel filter (10) comprises: a water storage unit (44) that is connected to a fuel channel (24) connecting a fuel tank (16) and a fuel consuming device (22), stores moisture separated from the fuel, and has a vertical dimension (H1) set...
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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/2020/216814A1 |
A common rail assembly (10) comprises a common rail (12) having a tubular body (16) extending along a longitudinal axis (A), an inner longitudinal bore (18) for, in use, containing pressurized fuel, said body comprising a plurality of tr...
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WO/2020/195666A1 |
This engine is provided with multiple injectors (75), and an excess fuel return pipe (5). The injectors (75) inject fuel from a fuel tank into a combustion chamber. The excess fuel return pipe (5) returns excess fuel from the injectors (...
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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/2020/197051A1 |
The present invention relates to an injector inspection apparatus using mass, the apparatus using a mass flowmeter so as to enable the amount of test oil sprayed from an injector to be measured, and disclosed is the injector inspection a...
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WO/2020/189247A1 |
Due to a simple structure, a connector (15) can reduce pulsation in a low-pressure pipe in a fuel supply system capable of supplying high-pressure fuel, and the life of a die can be extended. A valve body (60) of the connector (15) compr...
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WO/2020/169191A1 |
Invention relates to a gaseous fuel feeding system (10), comprising a fuel supply line (22) enclosed by a barrier wall system (32,32') such that the fuel supply line (22) comprises a primary flow passage (30,30') for the gaseous fuel and...
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WO/2020/166440A1 |
The objective of the present invention is to provide a metal diaphragm which is easy to process and which can be manufactured inexpensively. To this end, a metal diaphragm (91, 92) according to the present invention includes a flange por...
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WO/2020/164908A1 |
The invention relates to a fuel injector (1) for operating with combustible gas. The fuel injector has a plurality of combustible-gas nozzle valve elements (9), and the stroke of each of the combustible-gas nozzle valve elements can be c...
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WO/2020/160834A1 |
The invention relates to an injector for injecting a fluid, comprising a housing (32), a receiving area (6) which is arranged on the housing (32) and is designed to receive a circumferential shaft seal (4), wherein the receiving area (6)...
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WO/2020/158076A1 |
A rail body and a connection member are formed to have a shape that enables a cylinder part of the connection member to be inserted into a penetration hole of the rail body to prevent stress concentration to the penetration hole and impr...
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WO/2020/157217A1 |
The invention relates to a fuel distributor for an internal combustion engine, comprising a housing (2) which has an elongate cavity (3). A fuel inlet opening (4) into the cavity (3) and a plurality of fuel outlet openings (5) out of the...
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WO/2020/154153A1 |
A fuel rail (14) for an engine (12) includes a tubular body (24) having an outer surface (26) and an inner surface (28), the inner surface (28) defining a longitudinally extending fuel bore (34). The fuel rail (14) also includes a valve ...
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WO/2020/150759A1 |
The invention relates to a cylinder head (1) of an internal combustion engine (in particular of a gas engine) comprising at least one spark plug (8) having at least one earth electrode (10) in order to form an ignition spark (11), and a ...
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WO/2020/151871A1 |
The invention relates to a damper module (14) for a high pressure fuel pump (2) in a fuel injection system, with a housing (21) which delimits an additional volume. In order to provide a damper module (14) which is of simple construction...
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WO/2020/150758A1 |
The invention relates to a liquid-cooled internal combustion engine, in particular a gas engine, comprising at least one cylinder head (1) which has at least one coolant chamber (10), and comprising at least one precombustion chamber (2)...
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WO/2020/153312A1 |
A fuel injection system control device (90) is applied to a fuel injection system (10) provided with a low-pressure pump (20) for pressurizing fuel, a high-pressure pump (30) for increasing the pressure of the fuel from the low-pressure ...
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WO/2020/148020A1 |
The invention relates to an internal combustion engine having a fuel injection system, consisting of a low-pressure fuel pump, which conveys fuel from a tank into a low-pressure distribution rail and further to a high-pressure fuel pump,...
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WO/2020/141029A1 |
Fuel piston pump with a metallic pump housing (52) which is configured in one piece and with a working chamber (26) which is provided in the pump housing (52), with a pump piston (34) which is arranged displaceably in the pump housing (5...
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WO/2020/126528A1 |
Fuel supply device (10), characterised in that it comprises: · a pump (11) suitable for pressurising a fuel, · a first housing (21) at least partially surrounding the pump (11), · a buffer volume (23) defined between the first housing...
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WO/2020/126422A1 |
A plug connection arrangement for the connection of a fuel line to a fuel-conducting device (1), having a connector body (2) in which there is formed a channel (4) which opens into a line (3) connected to the connector body (2). In the d...
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WO/2020/126566A1 |
A fuel injection system includes a fuel rail, and a damper that is disposed inside the fuel rail. The damper includes outwardly protruding first barbs formed integrally on one end of the damper and outwardly protruding second barbs forme...
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WO/2020/127880A1 |
In a fuel rail assembly for a fuel injection system for an internal combustion engine, the fuel rail comprises an elongate generally tubular body forming a fuel reservoir and having one or more of a fuel inlet port, at least one or more ...
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WO/2020/119180A1 |
A distribution pipe, comprising a distribution pipe body (6) and a pipe connector (8). An inner cavity (7) is provided within the distribution pipe body (6). A first fuel pass hole (8-1) is provided within the pipe connector (8). On end ...
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WO/2020/119179A1 |
A machining process for a distribution tube. The distribution tube comprises a distribution tube body (6); an inner cavity (7) is provided in the distribution tube body (6); the two ends of the inner cavity (7) are opened to form a throu...
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WO/2020/119178A1 |
Provided is a distribution pipe, comprising a distribution pipe body (6), wherein an inner cavity is provided in the distribution pipe body (6); and one end of the inner cavity is open, and the other end of the inner cavity and the distr...
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WO/2020/120615A1 |
According to a first aspect the invention regards a fuel rail (1), comprising a main gallery (2) and in particular at least one fixing bracket (3) and in particular at least one injector cup (4). In order to provide an improved fuel rail...
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WO/2020/119181A1 |
A distribution pipe comprises a distribution pipe body (6). An inner cavity (7) is provided in the distribution pipe body (6). A first fuel hole (10-1) is provided in a sensor connector (10). One end of the inner cavity (7) is opened. Th...
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WO/2020/114650A1 |
A component (3) which can be designed as a fuel line (5) or fuel distributor (2) serves for a fuel injection system (1) which serves for injecting fuel or a mixture of fuel and water with a changeable portion of water. The component (3) ...
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WO/2020/110596A1 |
Provided is a fuel pump pipe which has high resistance to corrosive fuels, can be worked after plating by having followability properties, and is simple to produce even when the inner diameter thereof is small and suited for mass product...
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WO/2020/108994A1 |
The invention relates to a device for injecting water into a combustion chamber or into an intake tract of an internal combustion engine, comprising a rail (1) and at least one injection valve (2) connected to the rail (1), the connectio...
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WO/2020/108995A1 |
The invention relates to an injection valve (1) for a water injection system of an internal combustion engine, comprising an annular magnetic coil (2) for acting on an armature (3) which can be moved in a stroke-like manner and is connec...
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WO/2020/105350A1 |
Provided is an auxiliary chamber type diesel engine which can reduce emissions of smoke and unburned hydrocarbons in accordance with a wide range of operation states. The present invention comprises: an injector (20) which injects fuel i...
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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/2020/074296A1 |
The invention relates to a method for machining the edge of the radial bores (21) in the connectors (2) for the branch of the injection nozzles to the axial chamber (11) of a common fuel line (100) of an injection system of an internal c...
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WO/2020/069833A1 |
A high-pressure fuel pump comprising a tubular connection piece for connecting to a connection portion of a fuel line, an outer wall of the connection piece having at least one depression pointing radially inwards, in which depression a ...
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WO/2020/064225A1 |
The invention relates to a common rail (16) having a preferably cube-shaped rail body (26) with a connection surface (44) and a control surface (62). All the hydraulic connections, such as the high-pressure inlet (30), the high-pressure ...
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WO/2020/059356A1 |
Provided is a pulsation damper having a small size and capable of achieving an appropriate supporting force for a diaphragm damper. This pulsation damper 10 accommodated inside a case 15 has: a diaphragm damper 12 having a gas sealed the...
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WO/2020/054319A1 |
[Problem] To provide a delivery pipe that is ultrasonic-welded and has high strength while taking advantage of being made of a resin material that is highly resistant to corrosion, is low cost, and is lightweight, and also to provide, by...
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WO/2020/043600A1 |
A fuel rail(2) for a fuel injection system for an internal combustion engine is provided. The fuel rail (2) comprises an elongate generally tubular element forming a reservoir for fuel and having a fuel inlet (4) and at least one fuel ou...
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