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WO/2017/203861A1 |
Provided is a high-pressure fuel feeding pump configured so that a relief valve mechanism can be disposed within the pump body while an increase in size and manufacturing cost is prevented. This high-pressure fuel feeding pump is provide...
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WO/2017/203812A1 |
The objective of the present invention is to provide: a suction valve which has a simple structure requiring a small number of man-hours for processing and ensures a sufficient flow path cross-sectional area so as to enable highly accura...
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WO/2017/198371A1 |
The invention relates to a high-pressure fuel pump (10) for a fuel injection system of an internal combustion engine, comprising a pump housing (12) and at least one fastening flange (32), wherein the fastening flange (32) is fixed to th...
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WO/2017/198360A1 |
The invention relates to a high-pressure fuel pump (28), comprising a piston (30) with a piston longitudinal axis (33), a sealing device (54) radially surrounding the piston (30), which seals a fuel side (50) against an oil side (52), wh...
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WO/2017/198364A1 |
The invention relates to an overflow valve (11) for a high pressure pump (105), in particular a fuel injection system, preferable in a common-rail fuel injection system, comprising a valve element (2), which is received in a movable mann...
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WO/2017/198366A1 |
The invention relates to a high pressure fuel pump (10) for a fuel injection system of an internal combustion engine, which is designed and developed in such a way that at least one positioning recess is formed on the high-pressure fuel ...
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WO/2017/198361A1 |
The invention relates to a fluid pump, in particular a high-pressure fuel pump (10), comprising a housing (), at least one connecting piece (12), and at least one protective cap (14), which is mounted onto the connecting piece (12) in a ...
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WO/2017/198497A1 |
A method of controlling an engine fuel supply system, said system comprising a high pressure fuel pump, said high pressure fuel pump including a cam driven piston/plunger adapted to pressurise fuel in a chamber so as to supply consequent...
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WO/2017/194622A1 |
A seal (32) adapted to seal the opening (20) of a housing (14) through which extends a shaft (16) rotating, in use, between bearings, the seal integrating a main body, a sealing lip and a dust lip both lips adapted, in use, to slide agai...
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WO/2017/194389A1 |
The fuel pump (10) further comprises a mechanical regulating valve (42) arranged in the pump body (14, 16) and adapted to modulate, in use, the pressure in a high pressure space so that, said pressure matches the engine demand, said modu...
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WO/2017/186573A1 |
A high pressure fuel pump (10) comprises a pressurizing assembly (12) wherein a plunger (20) arranged in a bore (18) is adapted to translate along a main axis (X) and, a fuel transfer assembly (14) comprising an inlet valve assembly (70)...
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WO/2017/187876A1 |
A housing (10) has a pressurizing chamber (107). A plunger (20) moves so as to increase and decrease the volume of the pressurizing chamber (107), thus making it possible to pressurize fuel inside the pressurizing chamber (107). A fuel-c...
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WO/2017/186516A1 |
The invention relates to an on-off valve (30) comprising a valve body (38) that has a conical lateral surface (58) and a radially extending resilient projection (62) which is resilient in the axial direction and projects radially from th...
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WO/2017/186572A1 |
A high pressure fuel pump (10) having a pumping head (16) and a plunger (34) slidably adjusted in a bore (26). The plunger (24) is provided with a blind bore defining a chamber open in the head end of the plunger (34) and in fluid commun...
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WO/2017/184858A1 |
A method for compensating for a variable distance between two components of an apparatus for providing a fluid filtering device therebetween is provided. The method comprises placing an adjustable filtering device between two components,...
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WO/2017/182376A1 |
The invention relates to a combination (1) comprising a housing (2) and a flange (3) which has a first flange side (4) and a second flange side (5) opposite the first flange side. The combination (1) comprises a collar (6) which is eithe...
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WO/2017/182374A1 |
The present invention relates to a combination (1) comprising a housing (2) and a flange (3), which has a first flange side (4) and a second flange side (5), opposite the first, wherein the combination (1) comprises a collar (6), which e...
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WO/2017/178149A1 |
The invention relates to a valve, in particular a suction valve (2), in particular in a high-pressure pump of a fuel injection system, having a valve element (14) that moves between an open position and a closed position, comprising a ma...
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WO/2017/174404A1 |
A fuel pump (110) comprising a pump head (112) defining a barrel (114) in which a pumping plunger (116) is slidable to pressurise fuel in a pumping chamber (122), and a fluid inlet path (120) through which fuel flows in to the pumping ch...
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WO/2017/174402A1 |
According to a first aspect of the present invention there is provided a fuel pump (110; 210) comprising; a pump head (112; 212) defining a barrel in which a plunger (1 16; 216) is slidable to pressurise fuel in a pumping chamber (122, 2...
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WO/2017/175539A1 |
The objective of the present invention is to provide a high-pressure fuel supply pump provided with a pump body that can be manufactured by forging to improve corrosion resistance and weldability. To do so, in a high-pressure fuel supply...
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WO/2017/174405A1 |
A fuel pump (110) comprising a pumping plunger (116) comprising a first plunger part (116a) and a second plunger part (116b) and a pump head (112) defining a first barrel (114) in which the first plunger part (116a) is reciprocable to pr...
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WO/2017/167761A1 |
The present invention relates to a roller tappet, the roller tappet comprising a body having a roller reception space that is formed at one end of the body and that is adapted to receive a roller, wherein the body further comprises a lub...
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WO/2017/169960A1 |
Provided is a metal diaphragm damper having excellent pulsation absorbing capability even when the pressure resistance capability thereof is enhanced. A diaphragm damper 1 is configured by joining the outer edges 2 of a pair of diaphragm...
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WO/2017/159532A1 |
The present invention can improve accuracy of determining a welding quality or accuracy of maintaining, through feedback, a fixed welding quality in high energy beam welding, and thereby, improves the manufacturing efficiency, that is, t...
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WO/2017/157549A1 |
In a pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine, the fuel is fed to at least one cylinder (14) along a feed duct (31) and under the control of a valve device (29) provided with an intake valve...
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WO/2017/156552A1 |
An inlet valve assembly for a fuel pump comprises a valve assembly inflow path and valve assembly outflow path; a magnetic valve member situated in an intermediate flow path fluidly linking the inflow path and the outflow path; a magneti...
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WO/2017/155443A1 |
An arrangement for protecting a high-pressure accumulator fuel injection system of an internal combustion engine against excessively high fuel pressures to result in a high-pressure accumulator (12) of that system as a consequence of occ...
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WO/2017/148599A1 |
The invention relates to a method for controlling an electromagnetically controllable suction valve (1) for a high-pressure pump (2) in a fuel injection system, wherein, in order to close the suction valve (1), current is supplied to a s...
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WO/2017/148841A1 |
The invention relates to a pump plunger (20) for a reciprocating high-pressure fuel pump (10), comprising a pressure generating portion (36) and a driving portion (34) which are designed as separate parts; the driving portion (34) is arr...
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WO/2017/148600A1 |
The invention proposes an electromagnetically actuatable inlet valve (24) for a high-pressure pump, in particular of a fuel-injection system. The inlet valve (24) has a valve member (34) which can be moved between an open position and a ...
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WO/2017/148661A1 |
The invention relates to a damper capsule (24) comprising a diaphragm (30) that forms a damping volume (28) and, as a one-piece diaphragm component (46), includes a deformable portion (34), a connecting portion (40) and a profiled portio...
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WO/2017/144185A1 |
The invention proposes an electromagnetically actuatable inlet valve (24) for a high-pressure pump, in particular of a fuel-injection system. The inlet valve (24) has a valve member (34) which can be moved between an open position and a ...
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WO/2017/144189A1 |
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine is provided with at least one piston (23) which is movable along a cylinder (22) under the thrust of a drive shaft (36), which is engaged in a rota...
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WO/2017/142777A1 |
A fuel injector control valve assembly (200) is provided that comprises a valve actuating mechanism (202), a cage member (204), a poppet valve member (206), a valve sleeve member (210), a shim (212) that at least partially makes uninterr...
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WO/2017/137119A1 |
The invention relates to a method for controlling an electromagnetic adjustment unit (1) with an annular magnetic coil (2) and with an armature (5), which is able to execute a stroke motion between a first and a second end stop (3, 4) in...
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WO/2017/138270A1 |
A control device (100 to 104) controls a fuel pump (130) which repeats an ejection operation of pressurizing and ejecting a fuel in a pressurization chamber (18) using a pressurization member (11). The control device (100 to 104) is prov...
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WO/2017/134332A1 |
The bearing arrangement for a common rail fuel injec- tion pump of a piston engine is configured to carry ra- dial forces and comprises a housing (1), a bearing el- ement (2) that is arranged within the housing (1) and provided with a sl...
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WO/2017/133906A1 |
The invention relates to a high-pressure fuel pump (12) with a fluid connection (24), which is screwed into a connection receiving bore (30) of a housing (14), a screw drive (44) being arranged in an inner bore (26) of the fluid connecti...
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WO/2017/129504A1 |
The invention relates to a high-pressure fuel pump (10) with a pump housing (14) in which a pump piston (22) is moved in a translatory manner along a movement axis (24) when the pump is in operation, also comprising a low pressure absorb...
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WO/2017/125372A1 |
The invention relates to a high-pressure fuel pump (10) comprising a housing (12) which is attached to a cylinder head or an engine block by means of a flange (14), the flange (14) comprising two separate flange parts (26) that positivel...
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WO/2017/121598A1 |
A high pressure fuel pump (10) comprising a pressure regulator (20, 30, 40) communicable with a cambox (11). The pressure regulator (20, 30, 40) comprises a housing (21, 31, 41) with a plunger chamber (22, 32, 42) at an open end (21a, 31...
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WO/2017/120637A1 |
The present invention provides an improved fuel injection system and related method for controlling fuel heating and circulation in diesel type engines configured to use carbonaceous aqueous slurry fuels. The fuel injection system compri...
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WO/2017/121690A1 |
A high pressure fuel pump (10) has a spring (26) engaged around a cylindrical plunger (14) and compressed between a spring seat (20) and a pumping head (12). The spring seat (20) comprises a peripheral disc portion (32) and a central por...
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WO/2017/118562A1 |
The invention relates to a switching valve (16) for a fuel injection system (10) having a closing element (22) prestressed by a spring (28), wherein the spring force (FF) of the spring (28) is reversibly variable by means of an adjusting...
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WO/2017/118564A1 |
The invention relates to a high-pressure fuel pump (10) with a low-pressure damper (22) which comprises a damper capsule (26) and a spiral spring arrangement (38) for applying a pre-tensioning force to at least a partial region (40) of t...
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WO/2017/116151A1 |
A high-pressure pump for a combined injection engine is provided. The body of the high-pressure pump comprises: a first flow path (F1) for transferring a low-pressure fuel introduced through a low-pressure fuel inlet; a low-pressure fuel...
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WO/2017/110269A1 |
The purpose of the present invention is to provide: a method for controlling a high-pressure fuel supplying pump, which is capable of effectively reducing noise generated when an electromagnetic suction valve is opened; and a high-pressu...
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WO/2017/108343A1 |
The invention proposes an electromagnetically actuatable inlet valve (24) for a high-pressure pump, in particular of a fuel-injection system. The inlet valve (24) has a valve member (34) which can be moved between an open position and a ...
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WO/2017/108470A1 |
A pumping assembly to feed fuel, preferably diesel fuel, to an internal combustion engine is provided with an electric gear pump (7) having a pump body (24), a closing lid (27) to close the pump body (24), a stator (29), an annular rotor...
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