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WO/2020/049946A1 |
The purpose of the present invention is to provide: a valve mechanism for suppressing fuel leakage in the seating region of a valve; and a fuel supply pump equipped with the same. To this end, provided is a valve mechanism comprising a s...
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WO/2020/038513A1 |
The invention proposes a tappet (1) with a housing (2) which is composed of a drive-side and an output-side section (3, 4), wherein the drive-side section (3), at its outer end (5), has a roller (6) and the output-side section (4), at it...
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WO/2020/038646A1 |
A high pressure pump of a fuel injection equipment of an internal combustion engine, wherein, in use, the fuel flows with a rotational movement and, wherein, the body (14) further comprises a particles trap gallery (48) arranged on the o...
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WO/2020/025524A1 |
The invention relates to a fluid valve device (6) having an actuating element (9) which is prestressed in an axial direction into a prestressing position by means of a valve spring (12). In order to improve the fluid valve device (1) fun...
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WO/2020/022076A1 |
The objective of the present invention is to make a magnetic circuit of a solenoid valve more compact, to achieve a structure for generating a magnetic force efficiently, while at the same time reducing the size and cost. To this end, a ...
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WO/2020/021988A1 |
This connector (15) is provided with: a connector body (30) formed in a cylindrical shape; and a valve body (60) which is accommodated inside the connector body (30), and which assumes a first state when high-pressure fuel does not flow ...
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WO/2020/017313A1 |
This connector (15) is provided with: a connector body (30) formed in a cylindrical shape; a valve housing (61) formed in a cylindrical shape and arranged inside the connector body (30) and disposed with a seal structure therebetween, th...
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WO/2020/011429A1 |
Fuel pump (28) for a fuel system (10) for an internal combustion engine, wherein the fuel pump (28) has a delivery space (44) which is arranged in a pump housing (40) and delimited by a pump piston (30) which is displaceable in the axial...
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WO/2020/011433A1 |
A piston pump (10), in particular a high-pressure fuel pump for an injection system of an internal combustion engine, having a piston (22) and a working chamber (24) which is delimited by the piston (22), wherein the piston (22) has a ru...
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WO/2020/011313A1 |
The invention relates to a high-pressure fuel pump (10) comprising an electromagnetically actuated fluid valve (12) in which at least one magnetic component (42) is arranged in a sleeve (36), a cover arrangement (60) being provided which...
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WO/2020/011434A1 |
The invention relates to a piston pump (10), in particular a high-pressure fuel pump for an injection system of an internal combustion engine, having a piston (22) and a working chamber (24) which is delimited by the piston (22). The pis...
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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/2019/243297A1 |
This invention concerns a driveshaft assembly for a high-pressure fuel pump comprising an elongate shaft element and a cam member comprising a concentric oval bore. The cam member and the concentric oval bore each comprise a major axis o...
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WO/2019/243221A1 |
A valve member (94) of an automotive fuel pump valve (92), the valve member (94) comprising: an elongate body (96); a head (100) disposed at a longitudinal end of the body (96), the head (100) comprising an engagement surface (102) exten...
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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/2019/244477A1 |
Provided is a polyacetal resin composition capable of minimizing degradation when a molded body thereof comes into contact with an acidic detergent. The present invention provides a polyacetal resin composition containing, with respect t...
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WO/2019/242985A1 |
The invention relates to a pump assembly (1) having at least two pumps (4, 5) which are driven by a common drive shaft (3). In order to improve the operation of modern internal combustion engines with the pump assembly (1), at least one ...
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WO/2019/238329A1 |
The invention relates to a valve having a movable spherical closing element (58) and a fixed valve body (68), wherein the valve body (68) has a seat on which the spherical closing element (58) lies flat against when the valve (42) is clo...
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WO/2019/238176A1 |
The invention relates to a check valve (4) for a high-pressure component (44), wherein the check valve (48) has a spring support (56), which has an axial hole (60) delimited by the spring support wall (62), wherein, at least in one porti...
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WO/2019/237346A1 |
A fuel pump tappet, comprising: a cylindrical housing (1); a cam contact portion (3), which has a plate shape overall and is fixed to one axial end of the cylindrical housing (1), the cam contact portion (3) having an arc-shaped cam cont...
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WO/2019/233661A1 |
The invention relates to an electromagnetically actuatable suction valve (1) for a high-pressure fuel pump (2), comprising an annular solenoid coil (3) for acting on an armature (4) that performs a reciprocal stroke movement and which is...
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WO/2019/233662A1 |
The invention relates to an electromagnetically actuatable suction valve (1) for a high-pressure fuel pump (2), comprising an annular solenoid coil (3) for acting on an armature (4) which performs a reciprocal stroke movement and which, ...
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WO/2019/233666A1 |
The invention relates to a high pressure piston fuel pump (28) for a fuel system (10) for an internal combustion engine, having: a conveying chamber (26), delimited by a pump piston (30), movably provided in the high pressure piston fuel...
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WO/2019/230064A1 |
In order to provide a fuel-supply pump which can be produced at reduced cost and which exhibits increased durability, this fuel-supply pump 1 is provided with a suction valve 30 and a suction valve stopper 32. The suction valve stopper 3...
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WO/2019/225627A1 |
Provided is a damper device capable of being retained in an accommodating space using a simple operation. A damper device 1 used by being disposed in an accommodating space formed in a device main body 10 includes: a damper main body 2 i...
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WO/2019/225069A1 |
The purpose of the present invention is to provide a fuel pump including a body to which a pipe is attached, and exhibiting improved durability against vibration of a welding part. Accordingly, the present invention is a fuel pump provid...
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WO/2019/221260A1 |
Provided is a damper device with which it is possible to stably maintain a ripple preventing function provided by deformation of a diaphragm, and to suppress damage to the diaphragm to thereby extend the operating life thereof. The dampe...
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WO/2019/221258A1 |
Provided is a damper device which can be installed with simple work. A damper device 1 is used while being disposed in a containing space formed between a device body 16 and a cover member 17. The damper device 1 is provided with: damper...
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WO/2019/221261A1 |
Provided is a damper unit which enables a plurality of damper bodies to be mounted with simple work. A damper unit 1 has damper bodies 2, 2' which are mounted in a containing space 11 and which have hermetically sealed spaces provided th...
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WO/2019/221259A1 |
Provided is a structure for attaching a metal diaphragm damper that can exert a high pulsation reduction function with a simple structure. A structure for attaching a metal diaphragm damper 1, in which gas is encapsulated in an interior ...
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WO/2019/211021A1 |
The invention relates to a valve device for a high-pressure pump (24), comprising a valve body (60) pressed into a housing (30), and a movable valve element (36) which, with the valve device (22) closed, bears with a sealing portion (34)...
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WO/2019/206601A1 |
The invention relates to a method for operating an electrical suction valve in a common rail system of an internal combustion engine having a high-pressure pump (100), comprising a pump chamber (6) having a pump piston (7), wherein the e...
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WO/2019/206603A1 |
The invention relates to a method for operating a high-pressure pump (100) for generating high pressure in a common rail system of an internal combustion engine, comprising an electronic controller (9) which carries out a quantity contro...
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WO/2019/206491A1 |
The invention relates to a method for producing a sealing device (74) for a high-pressure fuel pump (28) having a piston (30), said piston having an end section facing a drive, on which the sealing device can be provided radially surroun...
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WO/2019/206600A1 |
The invention relates to a fuel delivery device (100) for cryogenic fuels, comprising a tank (30), a high-pressure delivery pump (1), and a supply line (18), via which the high-pressure delivery pump (1) can be supplied with cryogenic fu...
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WO/2019/207908A1 |
The objective of the present invention is to provide a solenoid valve with which erosion can be suppressed, and with which a reduction in the number of components and a reduction in size compared with the past can be achieved, and a high...
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WO/2019/206606A1 |
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a pre-feed pump (7) for feeding the fuel from a storage tank (2) to a high-pressure pump (6), operation of which is controlled...
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WO/2019/207906A1 |
Provided is a high-pressure fuel pump configured so that wear caused by the relative rotation between a movable core and a rod can be suppressed. This high-pressure fuel pump is provided with a valve body 30, a rod 35, a stationary core ...
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WO/2019/201640A1 |
The present application discloses a contact mating structure between a cam (201, 202) and a tappet assembly (500) and a plunger pump using the contact mating structure, wherein the cam (201, 202) is formed in a rotatable shaft, the tappe...
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WO/2019/197074A1 |
The invention relates to a high-pressure pump arrangement (1), comprising a high-pressure pump (3) having a lubricant outlet (23), characterized in that - the high-pressure pump arrangement (1) has a particle detector device (31), by mea...
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WO/2019/197065A1 |
The invention relates to a pressure-limiting valve (22), comprising a valve element (44) and a loading element (52) which loads the valve element (44) against a valve seat (42) counter to an opening direction (58), wherein the valve elem...
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WO/2019/197067A1 |
The invention relates to an electromagnetically actuatable inlet valve (22) for a high-pressure pump, in particular of a fuel injection system, having a valve member (30), which is movable between an open position and a closed position. ...
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WO/2019/193836A1 |
Provided is a high-pressure fuel supply pump in which radiation noise from a damper cover can be reduced. This high-pressure fuel supply pump is provided with: a damper cover 14 which, together with a pump body 1, forms a damper chamber ...
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WO/2019/185435A1 |
The invention relates to a high-pressure fuel pump (10) comprising a pump piston (26) which, during operation, moves translationally between a pressure space (20) and a leakage space (24), the leakage space (24) having a leakage collecti...
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WO/2019/185531A1 |
Method for manufacturing a head-piece (10) of a pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, whereby the head-piece (10) is provided with a central hole (12) configured to define a cylinder (15...
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WO/2019/179674A1 |
The invention relates to a high-pressure delivery pump (1) for cryogenic fuels, comprising a pump housing (2), in which a stepped longitudinal bore (17) is formed. A suction chamber (50) is formed in the longitudinal bore (17), which suc...
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WO/2019/181995A1 |
An error diagnosis device and error diagnosis method whereby the location of errors can be identified without disassembly. The error diagnosis device (100) has: an input unit (110) that receives a downstream pressure value and an upstrea...
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WO/2019/181243A1 |
The purpose of the present invention is to detect a defect that is present above or under an interface of two members in a laser welding portion of a lap joint. To achieve this, a transverse wave generation laser (LaTT) and a longitudina...
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WO/2019/179684A1 |
The invention relates to a bearing bush (10), in particular a sliding bearing bush, for rotatably mounting a shaft (44) or a roller (62). The bearing bush (10) has at least one groove (16) arranged in the inner side of the bearing bush (...
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WO/2019/181996A1 |
An error diagnosis device and error diagnosis method whereby the location of errors can be identified without disassembly. The error diagnosis device (100) diagnoses errors in a fuel pump (5) that comprises: a flowrate adjustment valve (...
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