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Patent Searching and Data


Matches 1 - 50 out of 15,954

Document Document Title
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/2019/002005A1
The invention relates to a screw spindle pump comprising: at least two screw spindles (14, 16), including a drive spindle (16) and a running spindle (16) that rotates opposite the drive spindle (14); and a pump housing (10) for receiving...  
WO/2019/002206A1
The invention relates to a screw spindle pump stage comprising: at least two screw spindles 12, 14, including a drive spindle 12 and a running spindle 14 that rotates opposite the drive spindle 12; and a pump housing 16 for receiving the...  
WO/2019/002203A1
A screw-spindle pump is proposed, comprising: at least two screw spindles 2, 4 which comprise a drive spindle 2 and a running spindle 4 which runs in an opposite direction with respect to the drive spindle 2, and a pump housing 6 for rec...  
WO/2019/002994A1
Cylindrical symmetric volumetric machine (1), which machine (1) comprises two cooperating rotors (6a, 6b), namely an outer rotor (6a) which is rotatably mounted in the machine (1; and an inner rotor |6h} which is rotatably mounted in the...  
WO/2019/003066A1
An electric pump system and method of operating the same involves pumping a fluid through a fluid passageway defined in a mechanical pump from a pump inlet to a hollow shaft of a motor, through the hollow shaft to an internal motor cavit...  
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/2018/230890A1
The present invention relates to a triangular rotary pump using a roller, the triangular rotary pump comprising: a rotor housing in which a pumping space having an epicycloid trajectory is formed; a rotor having a circular triangle shape...  
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/2018/226009A1
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/2018/220243A1
Pressure exchanger valve (1), which comprises: a prismatic chamber (2) having a section in the form of two intersecting circles (20, 21); an equilateral triangular prismatic rotary shutter (3) having side edges (30) in contact with the w...  
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/2018/222530A1
A progressive cavity positive displacement motor having a solid metal stator (26) and a rotor (25) having an elastomeric seal layer (31) on its outer surface, as well as a method of manufacturing the motor. The elastomeric seal lay on th...  
WO/2018/222490A1
A stator assembly (3) for a progressing cavity pump (10) is provided. The stator assembly (3) includes a number of stator laminates (101) having a planar body (110) defining a primary, inner passage (114) and a number of outer passages (...  
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/2018/215230A1
The invention relates to a vane pump or compressor, comprising a housing in which a rotor is mounted such that it rotates about an axis of rotation, and vanes that are movably arranged in radial recesses of the rotor, the vane ends oppos...  
WO/2018/217173A1
A rotary vane apparatus including a housing which has an inner wall enclosing a cylindrical cavity defining a central cavity axis; a cylindrical rotor rotatable about a central rotor axis which extends parallel and offset to the central ...  
WO/2018/215125A1
The invention relates to an external gear machine, in particular an external gear motor or external gear pump, comprising a first and a second gear (1, 2) which mesh together in an external engagement and are surrounded by a housing (3) ...  
WO/2018/212738A2
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/2018/212759A1
The present disclosure generally relates to an improved system and method for coupling a temperature monitoring system within a progressive cavity pump to combat dry-running. More specifically, the present disclosure describes a temperat...  
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/2018/208344A1
A gear pump for low speed transfers of viscous liquid slurries promotes growth of suspended particles, such as sugar crystals, by avoiding crushing of the panicles. The pump includes a rotor gear in mesh with an eccentrically mounted idl...  
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/2018/201045A1
A variable volume chamber device is disclosed. The chambers may be defined by the space between four pivotally connected vanes contained within two side plates. The vanes may be connected so as to create a sealed interior chamber that ma...  
WO/2018/198369A1
In this vane pump, a cylindrical rotor (18) is arranged within an accommodation space (10) of a pump housing (2), a pair of pump chambers (20) are individually defined on the front and rear sides of the rotor (18), and the left and right...  
WO/2018/198801A1
This rotor for a gear pump comprises: an inner rotor that has n teeth (n being an integer greater than or equal to 2) facing outward; and an outer rotor that is a ring shape surrounding the periphery of the inner rotor, is positioned ecc...  
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...  
WO/2018/198798A1
This rotor for a gear pump comprises an inner rotor and an outer rotor. One member of the inner rotor and the outer rotor comprises a group of tooth bottom sections each having an edge along a first setting curve, and a group of tooth ti...  
WO/2018/199152A1
Provided is an internal gear pump in which, while a cover and a casing are made of a resin, no breakage occurs when the cover and casing are fastened, and which demonstrates stable discharging performance. Provided is an internal gear pu...  
WO/2018/194224A1
The present invention relates to a vane pump comprising: a pump housing of which one side supports a motor module for providing driving power and the other side is coupled to a pump module so as to be coupled to the motor module rotating...  
WO/2018/194042A1
Provided is a vane pump capable of ejecting two types of pressure oil of high pressure and low pressure and performing a quick start. The vane pump is provided with: a pump body (2) including a suction inlet (30); a cam ring (3); a rotor...  
WO/2018/189041A1
A screw-type compressor arrangement has a screw-type compressor with a rotor arrangement (11) for compressing air. The rotor arrangement (11) comprises a first rotor (12) which is arranged on a first rotor shaft (14), and a second rotor ...  
WO/2018/189043A1
A screw-type compressor arrangement comprises a screw-type compressor having a screw-type compressor housing (1) which in turn has at least one air inlet (6) and at least one air outlet (8). Furthermore, the screw-type compressor has a r...  
WO/2018/188694A1
The invention relates to an eccentric screw pump (1) for pumping fluids or flowing conveying media from a suction side (S) to a pressure side (D). A screw pump of said type comprises a rotor (4) and a stator (3), the stator (3) being fle...  
WO/2018/186865A1
A vane pump assembly (10) includes a housing (12) having at least one fluid inlet (32) and at least one fluid outlet (34) and a plurality of windings (36) disposed in the housing (12). The vane pump assembly (10) also includes a rotor (4...  
WO/2018/173826A1
An oil pump 1 comprises: a motor having a shaft disposed along a center axis extending in an axial direction, a rotor that rotates in the periphery of the shaft, a stator disposed facing the rotor, and a housing that accommodates the rot...  
WO/2018/173531A1
[Problem] To provide a magnet gear pump configured so that: a large number of magnets can be easily mounted; and the large number of magnets provide the magnet gear pump with large transmission torque. [Solution] This magnet gear pump 1 ...  
WO/2018/173937A1
[Problem] The purpose of the present invention is to provide a stator that has a long service life and can be used for a comparatively long period of time as a result of suppressing breakage of the stator caused by being assembled with o...  
WO/2018/174463A1
The present invention relates to a twin circle positive displacement pump having a check valve, comprising: a housing having an upper chamber and a lower chamber which are vertically communicated with each other and having a fluid inlet ...  
WO/2018/173828A1
This oil pump (1) has: a shaft (5) disposed along a center axis (J); a motor section (10) having a rotor (11) rotating around the shaft (5), a stator (15) disposed facing the rotor (11), and a housing (21) for containing the rotor (11) a...  
WO/2018/173827A1
A pump device (1) comprises a motor (40) having a shaft (5) that rotates about a center axis (J), and a pump (30) driven by the motor (40) via the shaft (5). The pump (30) has a pump rotor (31) that rotates together with the shaft (5), a...  
WO/2018/172059A1
The invention relates to an internal gear machine (1) for reversing operation, comprising an externally toothed pinion (3) and an internally toothed ring gear (4). The ring gear (4) meshes with the pinion (3). A sickle-shaped cavity (7) ...  
WO/2018/164569A1
The invention relates to a continuously variable transmission and a transmission system comprising said continuously variable transmission, wherein the continuously variable transmission comprises a first gear pump and a second gear pump...  

Matches 1 - 50 out of 15,954