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WO/2020/229653A1 |
This pump (2), for a system for applying a coating product, comprises a pump body (4) and an intake valve (6) attached to the pump body (4) and intended to be connected to a source of coating product, the intake valve (6) comprising a va...
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WO/2020/229569A1 |
The invention relates to a device (1) for sucking up liquid from the ground (S), the device (1) comprising an exterior wall (10) defining a first enclosure (E1) that is open at least via cutouts (11) for the liquid to pass into the inter...
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WO/2020/231486A1 |
A pump fluid end comprising a discharge valve assembly comprising a discharge valve seat and a discharge valve body, a suction valve assembly comprising a suction valve seat and a suction valve body, and a reciprocating element, wherein ...
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WO/2020/231487A1 |
A valve seat comprising a primary retention component to retain the valve seat in a valve seat housing upon seating of the valve seat in the valve seat housing, and a secondary retention component to at least temporarily retain the valve...
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WO/2020/231499A1 |
A reciprocating element comprising a cylindrical body having a front end opposite a tail end, and a central axis, wherein the tail end of the cylindrical body is configured to be operatively connected to a pump power end operable to reci...
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WO/2020/231500A1 |
A packing assembly for a pump fluid end comprising: a packing screw; a packing carrier; and a packing, wherein the packing screw, the packing carrier, and the packing are each cylindrical with a width measured along a central axis thereo...
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WO/2020/229568A1 |
Fluid circulation pump (100) comprising a suction inlet (41), a delivery outlet (42) and a movable part (45) that can move in the chamber (44). The pump (100) comprises first upstream (120a) and downstream (121a) circular lips such that:...
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WO/2020/226338A1 |
The present invention relates to a piston pump having a seal ring which is closely adhered to the inner surface of a cylinder, and which, even when worn down while a piston reciprocates inside the cylinder, expands by the worn down amoun...
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WO/2020/223293A1 |
A rocking piston vacuum pump or compressor may have a sound attenuation assembly. The sound attenuation assembly may comprise a sound attenuation chamber. The chamber may have a first silencer disposed therein with sound dampening foam d...
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WO/2020/220505A1 |
A handheld portable cleaning machine having a dual liquid-cooled pump, comprising: a pump (23) driven by a motor (5), the pump having a pump water inlet (11) and a high-pressure water outlet (1); and a housing (20), the housing enclosing...
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WO/2020/220504A1 |
A motor pump unit and a hand-held high-pressure cleaning machine comprising the motor pump unit. The motor pump unit (20) comprises a micro motor (22) and a mini pump (21); a motor housing (29) is provided with a sealed chamber I (30) an...
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WO/2020/211083A1 |
A super-power five-cylinder piston pump comprises a power end assembly (1), a hydraulic end assembly (2), and a reducer assembly (3). The power end assembly (1) consists of sections comprising a crankcase (4), a crosshead case (5), and a...
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WO/2020/210343A1 |
A disposable medical flow-regulating assembly includes flow-directing units, with multiple fluid-flow lines entering each of the flow-directing units. The flow-directing units are interconnected by a fluid-flow line that extends between ...
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WO/2020/208076A1 |
The present invention relates to a roller pump (100) which comprises a rotor (110) and a stator (120). The rotor (110) has an axis of rotation and one or more rollers (111). The stator comprises a contact wall (121) which surrounds the r...
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WO/2020/207543A1 |
The invention relates to a pump for a motor vehicle for delivering a fluid from a low pressure zone (102) to a high pressure zone (103), comprising: a pump casing (101); a connector (106) for the high pressure zone (103) of the pump (100...
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WO/2020/207930A1 |
A fuel pump assembly (2) for an internal combustion engine, the fuel pump assembly (2) comprising: a housing (4) including a plunger bore (8); a plunger (10) arranged to reciprocate within the plunger bore (8) to perform a pumping cycle ...
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WO/2020/201429A1 |
The application relates to a piston assembly (26) for an unloader valve (16) of an air compressor (2), comprising an unloader piston (28) having an end portion with a first bore (36) of a first bore diameter, an intermediate portion with...
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WO/2020/191787A1 |
A hand-held self-suction high-pressure cleaning machine, comprising a control assembly (1), the control assembly (1) comprising a switch trigger (2), a motor assembly (3), and an outer shell (5), the outer shell (5) covering the motor as...
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WO/2020/191730A1 |
A pump device and an agricultural plant protection machine, the pump device comprising: a pump body (1) provided with a liquid inlet (11) and with a liquid outlet (12); and a pressure relief device (60), the pressure relief device compri...
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WO/2020/198535A1 |
A plunger assembly for reciprocating within a fluid bore in a fluid end of a hydraulic frac pump includes an elongated plunger body having first and second ends, a first annular portion having an outer diameter proximate the first end an...
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WO/2020/198260A1 |
A positive displacement pump (100) includes a pony rod (204) having first and second ends and which is disposed in the power end (102) of the pump, and a plunger (202) having first and second ends where the first end of the plunger is co...
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WO/2020/188030A1 |
The invention relates to a mobile thick matter pump (1) for delivering thick matter, having a trailer chassis (2), a pump unit (3) which is arranged on the trailer chassis (2), and a drive motor (4) which is arranged on the trailer chass...
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WO/2020/182200A1 |
Provided is a sliding plate supported through-shaft plunger pump or motor, comprising a main shaft (10), a cylinder (80) supported on the main shaft (10) and rotating synchronously with the main shaft (10), and a distribution sliding pla...
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WO/2020/181477A1 |
Provided is an air valve, comprising: a valve seat, wherein an air inlet (12) of the air valve is provided in the valve seat; and a valve body (30), wherein the valve body is provided with a fitting portion for being joined to the valve ...
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WO/2020/182199A1 |
A flow-distributing sliding plate pair and a piston pump or motor including said structure, comprising a swash plate (40) and a sliding plate (50) carried on the swash plate (40), the sliding plate (50) being an integral structure, facin...
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WO/2020/182205A1 |
A duplex axial plunger motor, comprising two slide plate-type non-hollow shaft plunger motors and an end base (33) sandwiched between the two slide plate-type non-hollow shaft plunger motors. Each slide plate-type non-hollow shaft plunge...
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WO/2020/186225A1 |
A seal packing assembly for a hydraulic pump includes a plurality of annular dynamic seals disposed within annular grooves circumferentially defined in the annular bore, a packing gland circumferentially housing a section of the plunger,...
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WO/2020/180201A2 |
The invention refers to a downhole piston pump for the exploitation of the oil, used in the extraction of hydrocarbons from the productive layers of the oil wells by sucker rods. The pump according to the invention consists of a drive he...
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WO/2020/180716A1 |
A valve seat assembly for a pump includes a valve seat housing including a central passage defined by an inner surface and including an insert receptacle, and a valve seat insert that is insertable into the valve seat receptacle and incl...
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WO/2020/180724A1 |
A pump cartridge comprises a retention structure to retain a piston for shipping and storage, in which the piston can be decoupled from the retention structure to pump fluid. In the shipping and storage configuration, the piston can be p...
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WO/2020/173520A1 |
The invention relates to a piston (2) for an axial piston engine (1), wherein the piston (2) has a ball head portion (7a) having a ball surface (17), a shaft portion (7b) and a seal portion (7c). The shaft portion (7b) connects the ball ...
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WO/2020/168876A1 |
Disclosed are a silencing device and a compressor. The silencing device comprises: a housing (1), wherein an air inlet (10) and an air outlet (12) are provided on the housing (1), the housing (1) is internally provided with an air flow c...
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WO/2020/167213A1 |
The invention relates to a method for assembly, a method for disassembly and a connecting rod (1) for a combustion engine, the connecting rod (1) comprising a first and a second connecting rod part (2, 3), wherein the first connecting ro...
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WO/2020/167782A1 |
Disclosed herein is an integrated pump system in which a motor is directly coupled to a pump, preferably using a modular connection. The integrated pump system may operate in a uni-directional or bi-directional mode. The integrated pump ...
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WO/2020/163232A1 |
A downhole well pump (17) has a housing (19) with a housing bore having an upper section (20a), a lower section (20c) and an intermediate section (20b) with a larger inner diameter. A plunger (21) has an upper plunger portion (25) in the...
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WO/2020/161237A1 |
A fluid pump (100-105) comprising a pump chamber (3) having an inlet (1) and an outlet (2) with respective inlet and outlet valves (1',2'), a linearly reciprocable pumping member (4) arranged in the pump chamber (3), a linear hydraulic a...
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WO/2020/156942A1 |
The invention relates to a cooling arrangement for an at least two-stage compressed air generator (01). The cooling arrangement comprises an intercooler (04) which is located between a first and a second compressor stage (02, 03), an aft...
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WO/2020/155683A1 |
A sealing assembly dedicated for a glue coating material. The sealing assembly belongs to a sealing structure of a plunger pump, and comprises: a reciprocating piston rod (6); a sealing collar (5), one end of the sealing collar abutting ...
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WO/2020/157723A2 |
An aspiration pump with controllable suction lift for aspiration of fluid and tissue from a body cavity through a surgical probe comprising a fluid conduit with collapsible walls portion of a fluid path between a pump in-port and out-por...
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WO/2020/155787A1 |
Disclosed is a double-pump structure of a tooth cleaner, the structure comprising a first cylinder body, a second cylinder body, two piston mechanisms, a piston driving crank, a water outlet connecting body, a water outlet mechanism, and...
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WO/2020/158791A1 |
This plunger pump is provided with a cylinder having a cylinder chamber, and a first through hole and a second through hole each opening from an inner circumferential surface of the cylinder chamber toward an outer circumferential surfac...
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WO/2020/150768A1 |
A water circulation system (1) to emulate a natural wave motion in an aquarium includes an electric pump (2) - having a water inlet (4) and two outlets (5,6) - connected to a water distribution device (3) - having two outlets (10,11). Ea...
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WO/2020/151107A1 |
Disclosed is a swing bearing-driven plunger booster pump, comprising a pump body (1), wherein a booster pump plunger (2) is arranged in the pump body (1), a first pressurizing chamber (3) is formed between the pump body (1) and one end o...
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WO/2020/152248A1 |
The subject of the present invention is a method for the management of a piston (110) pump (10) by a computer (20) of a vehicle (1), said pump (10) comprising a guide (120), a piston (110) mounted with the ability to slide in said guide ...
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WO/2020/147278A1 |
A sealing and lubricating structure for a plunger pump, comprising a plunger (1), a pump body (2), a working cylinder bore (3), a pump cavity (3.1), a free piston (4), a lubricant cavity (5.1), an annular lubricant groove (6), a lubrican...
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WO/2020/146883A1 |
A sealing assembly (30) that includes first, second and third sealing elements, where the first sealing element (40) is disposed between the second and third sealing elements (60, 80). The sealing elements are shaped in a complementary m...
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WO/2020/141029A1 |
Fuel piston pump with a metallic pump housing (52) which is configured in one piece and with a working chamber (26) which is provided in the pump housing (52), with a pump piston (34) which is arranged displaceably in the pump housing (5...
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WO/2020/139454A1 |
A valve assembly (100) that provides for reduced pressure loss in a downhole positive displacement pump comprises: a cylindrical body (110) comprising a cage, with the cage having an upper end (112), a lower end (114) and a tubular side ...
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WO/2020/139695A2 |
A pump system for pumping a coolant fluid for cooled radiofrequency ablation treatment includes a housing having a front, a back, a right side, a left side, a top surface, and a bottom surface, and a plurality of peristaltic pump assembl...
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WO/2020/139693A1 |
Pump assemblies and systems are provided. For example, a pump assembly comprises a pump head, a bezel surrounding an outer perimeter of the pump head, a motor, and tubing. The bezel comprises a bezel upper side, a bezel lower side opposi...
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