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Patent Searching and Data


Matches 1 - 50 out of 8,214

Document Document Title
WO/2019/137672A1
The invention relates to a pump assembly for a vehicle having an internal combustion engine with or without transmission or electric motor with transmission or for an oil supply having a double-pipe pump, wherein the two pipes are separa...  
WO/2019/137664A1
The invention relates to a vane pump for conveying liquids, in particular viscous oils, which vane pump comprises: a rotor (2) having sliding slots (23) in which movable vanes (3) are held and can be countersunk in relation to a rotor ra...  
WO/2019/131178A1
This electrically driven oil pressure cylinder is provided with an electric motor (10) and a gear pump (20) which is driven by the rotation of the electric motor (10). The electric motor (10) has a motor housing (11) and a rotating shaft...  
WO/2019/121102A1
The invention relates to a gerotor pump (10), comprising an inner gerotor (1) and an outer gerotor (2) and an electric motor (11) in a pump housing (20), the outer gerotor (2) being formed integrally with the rotor (18) of the electric m...  
WO/2019/115890A1
The invention concerns a positive displacement pump (1) comprising: - a pipe (2) having a first end (21) secured to a transmission area (3) and a second end (22) ending in a cylinder (24) secured to a discharge area (4), the pipe (2) com...  
WO/2019/113704A1
A positive displacement device that converts energy, namely positive displacement compressors that rotate in a single rotational direction to displace working fluid contained in operating chambers. The device described herein is particul...  
WO/2019/115168A1
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine has a pre-feed pump (3), which feeds the fuel to a high-pressure pump (2), is connected to a fuel storage chamber by means of an intake duct (49) a...  
WO/2019/117484A1
The present invention relates to a rotary vane pump for wave power generation, in which a rotary vane equipped with a vane blade and coupled to a rotary shaft rotates forward and backward within a range in which a stopper is disposed in ...  
WO/2019/107537A1
Provided is an internal gear pump wherein a casing and a cover can be easily positioned to each other when the casing and the cover are mounted to each other, and separation or dislodgement of both members can be prevented. In this inter...  
WO/2019/081465A1
The invention relates to an electrical oil pump (1) comprising a pump housing (5) containing an electromotively driven pump rotor (15), and a discharge branch (2) arranged on the housing side and receiving a non-return valve (12), said v...  
WO/2019/078903A1
A pump may include a housing having a first end and a second end and extending along a longitudinal axis and a discharge casing having a first end coupleable to the second end of the housing, the discharge casing extending along the long...  
WO/2019/077927A1
This oil pump (20) is provided in a main flow passage (11) for circulating oil (Oi) from an oil pan (Op), in which the oil (Oi) is held, to an engine (En), and constitutes part of the main flow passage (11). The oil pump (20) has, provid...  
WO/2019/071982A1
A hydraulic internal gear pump, comprising a front cover (1) and a rear cover (12); a gear shaft (13) is provided in the front cover (1) and the rear cover (12); a bushing (11) is sleeved outside the gear shaft (13); a ring gear (7) is p...  
WO/2019/063089A1
A rotary vane pump with variable conveying quantity, comprising a housing arrangement (4) which encloses a housing chamber (6) having arranged therein a displaceable eccentric ring (8) accommodating an inner rotor member (12) that is rot...  
WO/2019/063159A1
The invention relates to an oscillating piston pump for liquid and gaseous fluids, comprising: a pump housing (1) having at least two sector-shaped working chambers (10), which are diametrically opposed relative to a pivot axis (12) arra...  
WO/2019/054139A1
According to the present invention, a groove (38) is formed, which extends, from a starting end of a discharge port (36), in the reverse direction of the rotation direction of a vane (22). A first end section (38A) of the groove is conne...  
WO/2019/049465A1
The housing in one embodiment of the drive device of the present invention is provided with a pump chamber, and has an outer lid section for covering one side of a motor shaft in the axial direction thereof, and a first oil channel which...  
WO/2019/049464A1
One embodiment of the drive device of the present invention is equipped with a rotor, a stator, a housing having a storage section capable of storing oil, a pump unit driven by a motor shaft, and a cooling device attached to the housing ...  
WO/2019/048235A1
A pump (1) for pumping a liquid food product (F), comprising a star wheel (30) arranged to be driven by an impeller (20) to rotate around an axis (A2) that is offset from an axis (A1) of rotation of the impeller (20), an element (41) tha...  
WO/2019/049660A1
This pump device is provided with a first bearing (B1) and a second bearing (B2) which rotatably support a drive shaft that rotationally drives a pump element. The first bearing (B1) has a first lubrication groove (B1c). The second beari...  
WO/2019/041959A1
An electric oil pump (100) comprises a pump housing, a first rotor assembly (8), a pump shaft (5), a second rotor assembly (3), a stator assembly (4), and a circuit board assembly (6). The pump housing comprises at least a first housing ...  
WO/2019/041960A1
An oil pump (100) comprises a pump housing, a pump shaft (5), and a pump rotor assembly (8). The pump housing is capable of forming a pump cavity. The pump cavity comprises a first cavity (80) and a second cavity (90). The pump rotor ass...  
WO/2019/044523A1
In order to provide an electric oil pump in which damage to an electronic component inside an inverter part due to vibration can be inhibited, this electric oil pump (1) has a motor part (10) having a shaft (11), a pump part positioned o...  
WO/2019/044482A1
An electric pump (100) comprises a motor mechanism (1) provided to one-end side of a rotating shaft (4), a pump mechanism (30) provided to the other-end side of the rotating shaft (4), and a single housing (3) that accommodates the motor...  
WO/2019/044518A1
An electric oil pump is provided which can suppress damage to electronic components in an inverter unit due to vibration. This electric oil pump 1 comprises a motor unit 10 having a shaft 11, a pump unit 40 driven via the shaft 11, and a...  
WO/2019/044521A1
Provided is a circuit board assembly 70 having a circuit board 75, an inverter housing 73 having a circuit board accommodating part 73a, and an external terminal 86 connected to the circuit board 75. The circuit board 75 has a connection...  
WO/2019/044515A1
An electric oil pump is provided which suppresses damage to electronic components in an inverter unit due to vibration and which can be made more compact. This electric oil pump 1 comprises a motor unit 10 having a shaft 11, a pump unit ...  
WO/2019/044513A1
An electric oil pump is provided which can suppress the risk of damage to electronic components on the circuit board due to vibration. This electric oil pump 1 comprises a motor unit 10 having a shaft 11, a pump unit 40 driven via the sh...  
WO/2019/037840A1
The invention relates to a method for pulsation damping in a fluid-conveying surface (1), in which the fluid flows along a membrane (8, 50) in a damping portion (2, 22, 29, 33, 36, 37, 49) of the system (1), which membrane is supported a...  
WO/2019/034885A1
A pump for pumping a fluid and a method of pumping is disclosed. The pump comprises: a pump housing comprising a fluid inlet and a fluid outlet and a core; a liquid with magnetic properties confined within the pump housing; a rotating ma...  
WO/2019/025430A1
The invention relates to a positive-displacement machine (40) comprising an inlet region (27) via which a working medium flows into at least one positive-displacement chamber (29, 30) of the positive-displacement machine (40). In order t...  
WO/2019/016499A1
A heat exchanger for changing a temperature of a pumped gas flow and a pump comprising the heat exchanger is disclosed. The heat exchanger comprises: at least one tube configured to contain a flow of fluid; said at least one tube being a...  
WO/2019/013110A1
Provided is a pump having improved discharge efficiency. This pump for sucking in and discharging fluid is provided with a housing, a drive shaft which is rotatably supported by the housing, and a pump element which is accommodated in th...  
WO/2019/001288A1
Disclosed is an oil-gas multiphase pump, mainly involving that two rotating shafts (5) at two ends of a shell (1) are respectively connected to one eccentric bearing pedestal (6); grooves in oblique end faces of the eccentric bearing ped...  
WO/2018/235627A1
Provided is a variable capacity-type pump with improved controllability. The variable capacity-type pump is provided with: a pump constituent body, a movable member, a biasing member, a first control chamber, a second control chamber, an...  
WO/2018/235928A1
Provided is a gear pump device that enables improvement in volumetric efficiency and manufacturability, and also makes it possible to ensure sealing property and to reduce drive torque. According to the present invention, a sealing mecha...  
WO/2018/229244A1
The invention relates to a pump assembly (1) which comprises at least one housing (2) and two gears (6, 7) as transfer means and a drive shaft (15). The housing (2) comprises at least one base (3) and a cover element (4) which can be con...  
WO/2018/229243A1
The invention relates to a pump assembly (1) which comprises at least one housing (2) and two gears (6, 7) as transfer means. The housing (2) comprises at least one base (3) and a cover element (4) which can be connected together in orde...  
WO/2018/224200A1
The invention relates to a gearwheel pump (1), particularly designed as a fluid feed pump (102) of a waste heat recovery system (100), comprising a pump housing (2) in which an inlet (7), an outlet (35) and a working chamber (6) are form...  
WO/2018/224261A1
The present invention relates to an electric motor (1) comprising a stator (2) that is fixed in an outer casing; a rotor (3) that moves in the stator (2); a shaft (4) that is inserted through the center of the rotor (3) and that rotates ...  
WO/2018/226009A1
Disclosed herein is a pump with vacuum, self-priming, and booster functions, which includes a rotor housing, a rotor, an upper chamber, a lower chamber beneath the rotor housing, an inlet check valve, an outlet check valve, and an introd...  
WO/2018/219526A1
The invention relates to an external gear machine (10) comprising two gears (11, 12) that intermesh in external engagement, the gears (11, 12) being surrounded by a housing (20) comprising contact areas in which each gear (11, 12) is pos...  
WO/2018/215260A1
Disclosed is a vane pump, comprising a stator having an accommodation groove, a rotor provided in the accommodation groove, a plurality of vane grooves radially formed in the rotor, and a plurality of vanes able to reciprocally slide in ...  
WO/2018/212738A3
The present invention relates to a variable displacement vane pump having a pressure plate (10) where oil input is realized through at least two suctioning channels (11) provided thereon and an abrasion plate (20) positioned in the vicin...  
WO/2018/206050A1
The invention relates to an electric pump actuator (1) for a stepless transmission (2) having a gear pump (3) with two meshing gearwheels (4, 5), in which the first gearwheel (4) and the second gearwheel (5) may each be actuated independ...  
WO/2018/207611A1
This cartridge-type vane pump is provided with: a side plate (20) in contact with one end surface of a rotor (2) and one end surface of a cam ring (4); a cover (10) in contact with the other end surface of the rotor (2) and the other end...  
WO/2018/207626A1
A cartridge-type vane pump (100) is provided with: a rotor (20); a plurality of vanes (30); a cam ring (40); a body-side side plate (50) that abuts one end surface (40b) of the cam ring (40); a cover member (60) that abuts the other end ...  
WO/2018/202357A1
The invention relates to an external gear machine comprising a first and a second gear (1, 2), which mesh externally and are surrounded by a housing (3), a bearing body (4) accommodated in the housing (3), which bearing body has at least...  
WO/2018/196991A1
The disclosure refers to a variable displacement liquid pump (10) for pumping pressurized liquid, comprising a pump rotor (44) with radially slidable vanes (46) rotating in a shiftable control ring (42), a pressure control system for con...  
WO/2018/198451A1
This variable capacity pump is provided with the following: an intake passage (12) that takes in a fluid; an intake opening (13) that is located downstream of the intake passage; a pump chamber (PC) that pumps the fluid guided into the i...  

Matches 1 - 50 out of 8,214