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WO/2020/202630A1 |
[Problem] To provide a gear pump or a gear motor in which flexion of a drive shaft and a driven shaft are reduced. [Solution] A gear pump 10 or a gear motor comprises: gears 12, 14 that mesh together and constitute a pair; shafts 16, 18 ...
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WO/2020/203025A1 |
A cartridge-type vane pump (100) equipped with a coupling member (80) coupling a side member (50) and a cover member (60), wherein the coupling member (80) has first support sections (81) for supporting the side member (50), a second sup...
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WO/2020/202984A1 |
This vane pump (100) is provided with a pump housing (10) having an accommodation recess part (11) and a pump cartridge (20) accommodated in the accommodation recess part (11), wherein: the pump cartridge (20) has a rotor (24), a plurali...
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WO/2020/192819A1 |
The invention relates to an external gear pump (1) for hydraulic conveyance in a hydraulic control system (10), which external gear pump comprises two control plates (11, 12), which delimit a pump chamber (13) in which two pump gears (14...
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WO/2020/198411A1 |
A horizontal pumping system has a motor, a pump driven by the motor and a priming module. The pump has a discharge on a first end of the pump, a suction end on a second end of the pump, and a plurality of stages between the suction end a...
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WO/2020/189008A1 |
A discharge passage that leads from a pump discharge hole to a discharge port connected to an internal combustion engine is formed in a first housing and a second housing accommodating a pump constituent body. The discharge passage is pr...
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WO/2020/186324A1 |
The present invention relates to a progressive cavity pump developed for paint-mixing machines. The proposal disclosed in the present invention is the performance of precision dosing by means of pumping through a single stator and rotor ...
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WO/2020/170588A1 |
According to the present invention, a housing (6) formed of aluminum alloy has: a bottom wall part (10) that is formed relatively thin; and an annular peripheral wall part (11) that extends upward from the outer edge of the bottom wall p...
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WO/2020/164776A1 |
The invention relates to an electrical screw spindle coolant pump, which is suitable for conveying a coolant circuit or other corrosive, liquid media. The electrical screw spindle coolant pump has a spindle housing (1) with a spindle cha...
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WO/2020/161116A1 |
The invention relates to a gear pump comprising a pump housing (2), which is provided with a first fluid connection (21) and a second fluid connection (22), and comprising a first gearwheel (5) and at least one second gearwheel (4), whic...
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WO/2020/161044A1 |
The invention relates to a drive (14) of an auxiliary unit (8) of a motor vehicle (2), in particular of an oil pump, having an electric motor (16) with an end shield (26) and a motor housing (20). The motor housing (20) and a further hou...
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WO/2020/159033A1 |
The present invention provides a fluid transfer apparatus comprising: a rotating shaft comprising a rotation unit extending along an axial direction and a first eccentric unit and a second eccentric unit disposed to be spaced apart from ...
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WO/2020/157568A1 |
Non-lubricated system (100; 200; 300) for pumping a gas, comprising a stationary stator with a housing (120; 220; 320) comprising a rotor cavity (210; 310) and at least one rotatable rotor element (101, 102) incorporated within the rotor...
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WO/2020/157015A1 |
The present invention relates to a gear pump with a housing which has an inlet for the liquid to be conveyed and an outlet for the conveyed liquid, and a pump chamber, in which the gearwheel or gearwheels for conveying the liquid is/are ...
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WO/2020/151279A1 |
Disclosed is an all-metal conical combined screw pump used in the field of petroleum. The all-metal conical combined screw pump comprises a stator, a rotor (2), a casing (3) and a sucker rod (4). An internal threaded curved surface and a...
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WO/2020/141393A1 |
A pump assembly that has a first pump and a second pump for pumping lubricant, both pumps being integrated into a single housing. A drive shaft is provided that drives both pumps. Both the first pump and the second pump have a gear or ro...
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WO/2020/141086A1 |
The disclosure relates to an electromotorized internal gear pump (1) for a motor vehicle, having a rotor housing (2) having a cylindrical inner wall surface (3), and having a pump rotor (9) received in the rotor housing (2) having an ecc...
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WO/2020/136277A1 |
The invention relates to an outlet seal which has a seal structure (16) made of a seal material in order to seal a first pressure outlet and a second pressure outlet of a pump, said seal structure (16) comprising: - a first sealing web (...
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WO/2020/136269A1 |
The invention relates to a rotary pump for supplying an assembly with a compressed fluid, said pump comprising: - a pump housing (1) with a peripheral wall (2) which surrounds a delivery chamber (5) of the pump and with a first end wall ...
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WO/2020/134519A1 |
A method for determining a reasonable design region of roots pump rotor profiles and a use thereof. The method establishes a relation between roots pump rotor profiles and performance parameters, and then further determines constraint co...
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WO/2020/136471A1 |
Disclosed is a vane pump including a housing, a pivot pin having a hollow portion mounted within the housing, a control slide displaceable about the pivot pin within the housing between a first slide position and a second slide position ...
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WO/2020/136270A1 |
The invention relates to a pump for supplying an assembly with a compressed fluid, said pump comprising: - a pump housing (1) with a peripheral wall (2) which surrounds a delivery chamber (5) of the pump and with a first end wall (3) and...
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WO/2020/126947A1 |
A fuel delivery assembly (10) is proposed with a sheet metal jacket (13) which encloses an electric motor (11) and a pump (12) in a sealing manner by way of rolling, a suction-side inlet opening (103), a pressure-side outlet opening (105...
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WO/2020/128830A1 |
Positive displacement machine such as a compressor, expander, pump or the like, for displacing a gaseous or liquid medium, the machine (1) containing an element. (3) with at least one inlet (18) and at least one outlet (19) for the mediu...
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WO/2020/109553A1 |
The invention relates to an electrical coolant pump (1) for cooling battery packs of a battery-driven motor vehicle, comprising an electric motor (11) with a shaft (10), wherein said electrical coolant pump (1) comprises a screw pump (2)...
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WO/2020/095768A1 |
An electric pump (100) provided with a pump section (20) which is rotationally driven by an electric motor (10) to discharge hydraulic oil is provided with: a drive shaft (11) for transmitting the rotational dive force of the electric mo...
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WO/2020/095552A1 |
This electric oil pump is provided with a motor unit having a motor shaft, a pump unit which is driven by the motor unit and which includes a vane pump that takes in and discharges oil, and an inverter unit which drives the motor unit, w...
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WO/2020/072663A1 |
A progressive cavity pump includes a torque input disposed on a rotational axis, a resilient stator cylinder, a screw rotor situated within the resilient stator cylinder, and a universal joint. The universal joint rotationally couples th...
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WO/2020/071061A1 |
Inside an oil pan (7), the valve body (31) of the valve section (8) of a solenoid valve (6) is housed in a closed-end cylindrical valve body housing section (36). The valve body housing section (36) has a substantially circular cylindric...
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WO/2020/059559A1 |
A vane pump (100) is provided: with a rotor (2); a plurality of vanes (3) slidably inserted through a plurality of slits (2a) formed in a radial formation in the rotor (2); a cam ring (4) having an inner peripheral cam surface (4a) again...
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WO/2020/053720A1 |
A geared volumetric machine comprising: -a first and a second door (91, 92); the second door (92) operating at a greater pressure than the first door (91); one from between the first and second door (91, 92) being an inlet door of a flui...
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WO/2020/051690A1 |
Rotary positive displacement machines with trochoidal geometry that comprise a helical rotor that undergoes planetary motion within a helical stator are described. The rotor can have a hypotrochoidal cross-section, with the corresponding...
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WO/2020/051691A1 |
Rotary positive displacement machines based on trochoidal geometry, that comprise a helical rotor that undergoes planetary motion within a helical stator are described. The rotor can have a hypotrochoidal cross-section, with the correspo...
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WO/2020/043245A1 |
The invention relates to a hydraulic circuit comprising a pump (2) which is driven by a motor (4), and which pumps hydraulic fluid from a storage container (6) to a consumer (7) via a hydraulic connection (10), and comprising a return fl...
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WO/2020/039024A1 |
The invention relates to a valve assembly (36) for an electrical refrigerant compressor (2) of a motor vehicle, comprising: a flexurally elastic valve plate (40) for the pressure-regulated opening and closing of an outlet opening (34, 38...
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WO/2020/028789A1 |
A pump as provided includes an inlet, an outlet, and a scroll pumping element. The scroll pumping element includes a fixed scroll component having one or more fixed scrolls and orbiting scroll component having one or more orbiting scroll...
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WO/2020/028658A1 |
A tool for assembling a positive displacement device includes an expandable core including an outer surface including a helical profile, and an expander configured to expand the expandable core radially outwards in response to displacing...
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WO/2020/020864A1 |
A volumetric pump comprising a chamber (1) having a breadth, B, an inlet volume with an inlet and an outlet volume with an outlet, separated from each other m pumping systems enclosed in the chamber, with m ϵ N, and m>1, each pumping sy...
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WO/2020/009562A1 |
The present invention relates to a device that converts mechanical energy provided by a generator of external movement into hydraulic energy. This energy is used to displace a fluid through a pipe connected to flanges of the pump. The pu...
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WO/2020/009105A1 |
Provided is an internal gear pump with which it is possible to achieve a decrease in size, weight, and cost, and to suppress, by controlling ejection pressure, the amount of liquid that is ejected during high-speed rotation. The internal...
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WO/2020/004305A1 |
This pump is provided with a pair of a first gear and a second gear that mesh with each other, and a housing in which is formed an accommodation chamber for rotatably housing the first gear and the second gear, wherein the pump includes:...
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WO/2019/240437A1 |
The present invention provides an oil pump for sucking and discharging oil, the oil pump comprising: a housing part; a stator part accommodated in the housing part and including an outer ring forming a variable chamber in which oil is in...
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WO/2019/240436A1 |
The present invention provides an oil pump for sucking and discharging oil, the oil pump comprising: a housing part; a stator part accommodated in the housing part and including an outer ring forming a variable chamber in which oil is in...
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WO/2019/229106A1 |
Rotary volumetric pump comprising: - a shaft (2) suitable for rotating about an axis of rotation; - a rotor (3); - means (5) for transmitting torque from the shaft (2) to the rotor (3). The rotor (3) comprises a first seat (31) comprisin...
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WO/2019/228312A1 |
Provided is an electronic oil pump (100), comprising a pump housing, said pump housing comprising a first chamber (80) and a second chamber (90); a first rotor assembly (2) arranged in the first cavity (80); a stator assembly (4) and sec...
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WO/2019/225425A1 |
An electric oil pump 1 according to the present invention is provided with: an oil pump unit 2 which comprises a pump rotor 8 and a pump housing 10 that contains the pump rotor 8; a motor unit 3 which comprises a motor rotor 16, a motor ...
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WO/2019/225300A1 |
An electric pump 1 according to the present invention is provided with a pump unit 2, a motor unit 4 which drives the pump unit 2, and a control unit 5 which controls the motor unit 4. The pump unit 2 is provided with a pump housing 8. T...
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WO/2019/221878A1 |
A pump, including: inner gerotor; a crankshaft; an outer gerotor; an inlet assembly with inlet ports; an outlet assembly with outlet ports; and magnetic actuators. The inner gerotor includes lobes and a central opening. The crankshaft: p...
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WO/2019/215035A1 |
The invention relates to an electrical fluid pump (6) for a motor vehicle, in particular an oil pump for a motor vehicle transmission (2), having a pump unit (30) with a pump housing (32) and with a pump flange (34) which closes the pump...
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WO/2019/216173A1 |
A vane pump (100) is provided with a side member (10) disposed in contact with one side surface of a rotor (2) and a cam ring (4), and the side member (10) has a discharge port (12) that discharges hydraulic fluid for a pump chamber (6),...
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