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WO/2018/047767A1 |
This fluid control device (10) has a fan (22), a motor (23) which drives the fan (22), and a control unit (30) which controls the motor (23). A fan case (21) for accommodating the fan (22) has: a suction opening (21a) into which fluid is...
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WO/2018/049096A1 |
A reciprocating piston pump may include a pump chamber, a piston seal, a monolithic partially fluorinated polymer piston with a fluid engaging end, a seating end, and a longitudinal outer piston surface extending between the fluid engagi...
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WO/2018/049364A1 |
A fluid pump apparatus (44) for an artificial lift system (10) has a barrel (52), a standing valve (54) positioned at a lower end of the barrel, a plunger (56) reciprocatingly mounted within the barrel, and a traveling valve (58) positio...
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WO/2018/044289A1 |
A monitoring system may include strain gauges and position sensors corresponding to multiple pressure pumps. The strain gauge for each pressure pump may measure the strain in a respective chamber of each pump. The position sensor for eac...
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WO/2018/044090A1 |
A piston pump comprises: a sleeve housing provided with a discharge hole and forming a bore; a piston provided with an introduction passage for introducing oil into the bore and reciprocatably inserted into the bore; an introduction valv...
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WO/2018/037135A1 |
The invention relates to an oil wiper packing (1) for a piston rod (2) of a crosshead piston compressor, and to a corresponding assembly method. The oil wiper packing has at least one chamber disc (3) having a chamber disc cutout (3a), w...
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WO/2018/036442A1 |
A sealing ring lubrication structure in a coating transfer device comprises: a valve (1), and a coating inlet check valve (2), a coating outlet check valve (3), and a pushing piston rod (11) arranged in the valve (1). An inner chamber of...
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WO/2018/038388A1 |
Disclosed is a high-pressure large-capacity water supply apparatus which is configured to: continuously discharge water toward an upper discharge pipe and a lower discharge pipe with a single crankshaft rotation and a single stroke recip...
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WO/2018/033225A1 |
The invention relates to a pneumatic control device (1) comprising a control pressure chamber (2) having a first diaphragm element (3) forming at least one part of a wall of the control pressure chamber (2), a pump device (4) fluidically...
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WO/2018/035049A1 |
In some aspects, waterjet cutting pressurization systems can include a water pump: (i) having a pressurization chamber and (ii) having a high-pressure water seal maintaining water pressure within the chamber; and a leak detector in fluid...
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WO/2018/028749A1 |
The present invention relates to a valve, a pump valve and a pump comprising a pump valve. The guidance of closing bodies in valves is an unresolved problem that can lead to considerable costs and often frequent failures of valves and th...
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WO/2018/030066A1 |
The purpose of the present invention is to provide a fluid machine capable of lubricating a lip seal with no difficulty even when an oil-impregnated sliding bearing is used as a drive shaft bearing. One end of a drive shaft (8) located o...
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WO/2018/031394A1 |
A quick disconnect pump assembly is disclosed. The pump assembly includes a housing with inlet and outlet ports, an elongate slot, and a retainer channel. A sliding lock moves within the slot between a locked position and an unlocked pos...
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WO/2018/025461A1 |
Provided is a reciprocating pump capable of preventing liquid accumulation due to the mounting structure of a pressure gauge in a fluid flow path including a pump chamber. A reciprocating pump 1 is provided with: a housing 2 having a flu...
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WO/2018/024381A1 |
The invention relates to a vehicle brake system piston pump, in which a piston is movable back and forth by means of an eccentric. A friction surface is formed between the piston and the eccentric, and a lubricant is provided on the fric...
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WO/2018/023973A1 |
A hand pump and a coffee machine having the same are provided. The hand pump comprises a pump body (10) and a plunger (20). The plunger (20) is located inside a tube of the pump body (10). The outer part of an end of the pump body (10) i...
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WO/2018/022642A1 |
An oxygen concentrator includes a wobble plate compressor having one or more double-headed pistons and cylinders. A wobble plate of the compressor does not spin as an axle rotates, but orbitally tilts relative to the axle, thereby causin...
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WO/2018/021231A1 |
[Problem] To provide a pressure sensor apparatus that is capable of suppressing enlargement of an electric pump. [Solution] A pressure sensor apparatus body 54 can be reduced in size in both the vertical direction and the radial directio...
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WO/2018/021758A1 |
A discharge valve formed between a discharge valve cover and a sleeve housing of a piston pump of a vehicle includes: a ball, which is disposed in a movable manner between the sleeve housing and the discharge valve cover and which select...
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WO/2018/022240A1 |
A poppet valve assembly including a valve seat defining at least one inlet port configured to receive a working fluid, a valve guard coupled to or integral with the valve seat and defining at least one outlet port configured to discharge...
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WO/2018/022202A1 |
A fluid delivery system (100) comprises a motor (102) that is configured to provide rotational motion to a rotary component (208). The fluid delivery system (100) also comprises an alignment mechanism (220). The alignment mechanism (220)...
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WO/2018/022661A1 |
Methods and systems of harvesting a cell product from a cell culture by culturing cells in a fluid medium until the cells have produced a cell product at a harvest concentration are disclosed. The cells are cultured in a cell culture sys...
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WO/2018/015000A1 |
The invention relates to an oscillating membrane pump having at least one mobile part (20), which is movably arranged relative to a fixed part (30), wherein the mobile part (20) is driven and the mobile part itself drives a displacement ...
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WO/2018/014472A1 |
A two-dimensional tapered roller piston pump, comprises a pump body (1), the pump body (1) being provided with a liquid absorption hole and a liquid discharging hole, a pump unit being provided in the pump body (1), and the pump unit bei...
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WO/2018/015866A1 |
The present invention is directed to a check valve assembly for a compressor (1) or a vacuum pump (100) comprising : - a valve body (5) adapted to receive a valve plate (6), said valve plate (6) pivoting between a first open position and...
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WO/2018/011767A1 |
The present invention concerns a pump for high-density powder transfer. The pump for high-density powder transportation according to the present invention has four-stroke operation, in which four pumping chambers in reality constitute a ...
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WO/2018/007313A1 |
Cylinder head cover (8) for a refrigerant compressor, wherein the cylinder head cover (8) can be fastened to the cylinder head arrangement (21), in order to configure a cavity for receiving refrigerant which is compressed by way of the p...
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WO/2018/008877A1 |
The present invention relates to a pump for very precisely controlling the amount of a liquid to be injected in a product production process. The present invention has the following effects: since a moving ring for sealing a cylinder and...
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WO/2018/009402A1 |
An inlet valve system for a cylinder chamber of a reciprocating compressor and a method for unloading the inlet valve system are provided. The inlet valve system may include an unloader, a valve assembly including a cylindrical valve bod...
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WO/2018/009142A1 |
An infusion pump is disclosed, which comprises a housing, a chamber located in the housing, an outlet, an outlet valve between the chamber and the outlet, an inlet,and an inlet valve between the inlet and the chamber. At least one of the...
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WO/2018/000323A1 |
A piston for a single-stroke pump (20) includes a pump rod(68), a seal ring (70) extending around the pump rod (68) and having a central bore (88), and a retaining device (72) disposed on the pump rod (68) and retaining the seal ring (70...
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WO/2018/001912A1 |
A water part module (12) for attaching to a piston pump, which comprises a support unit (14) that can be releasably attached to the piston pump and at least respectively one suction module (16) and pressure module (18) that is or can be ...
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WO/2018/004244A1 |
The present invention relates to a control valve for a variable displacement compressor, comprising: a body having a receiving space formed therein, in which a first port communicating with a crank chamber of the variable displacement co...
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WO/2017/220693A1 |
The invention relates to a particularly compact, efficient and operationally reliable pump device (10) for conveying fluid (126) to be pumped, comprising at least one drive unit (284) having a drive (62) and at least one receiving area (...
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WO/2017/220696A1 |
A disc-like shape gasket (42) with a front face (46) and a rear face (44) radially extending about a main axis (X) from a peripheral outer edge (48) to an inner edge (50), surrounding a central opening (52), shaped (62) so as to be sligh...
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WO/2017/215819A1 |
The invention relates to a delivery pump (10) for cryogenic fuels (1), comprising a pump casing (11) inside which a pump piston (25) is arranged in such a way as to be able to reciprocate within a pump chamber (30); the pump piston (25) ...
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WO/2017/215820A1 |
The invention relates to a delivery pump (10) for cryogenic fuels (1), comprising a pump casing (11) inside which a pump piston (25) is arranged in such a way as to be able to reciprocate within a pump chamber (30); the pump piston (25) ...
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WO/2017/215991A1 |
The invention relates to a method and to an apparatus for vibration compensation in a piston compressor, the piston compressor (1) of which is driven by means of a crankshaft (5) by a three-phase motor (2) controlled by a frequency conve...
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WO/2017/216321A1 |
The invention relates to a piston (1) having a roller (120) designed to receive a roller (120) and to slide in a cylinder (2) along a sliding axis (C-C'), said piston (1) comprising: – a body (110) having a guiding surface (111), – a...
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WO/2017/215818A1 |
The invention relates to a feed pump (10; 10a) for cryogenic fuels (1), comprising a suction inlet (32) which is at least indirectly connectable to a tank container (2; 2a) for the fuel (1), a pressure outlet (33) which is preferably con...
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WO/2017/216284A1 |
The invention relates to a compressor (1) comprising a cylinder block (3) having a compression chamber (2), a cylinder head (4), a valve assembly (5) arranged between the cylinder block (3) and the cylinder head (4), a piston head (6) ar...
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WO/2017/211480A1 |
A shoe guide member (30) for a high pressure fuel pump is provided with a guiding bore (56) opening in a top face (52) and in a bottom face (54) of the shoe guide member. The guiding bore (56) defines lateral guiding faces (58,60,62,64) ...
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WO/2017/208222A1 |
A compressing unit comprising: a cylinder; a first piston configured to slide along said cylinder; and a connecting rod attached to said first piston at a first end and to a crank at a second end, said crank configured to be directly att...
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WO/2017/210386A1 |
A valve assembly has a port selection assembly with an inlet fluid path and a plurality of outlet fluid paths and a servo-driven barrel. The barrel includes a slot that is aligned with the inlet fluid path. The barrel also includes multi...
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WO/2017/209725A1 |
A valve retainer assembly and pump including the same. In an embodiment, the valve retainer assembly includes a retainer configured to engage with a suction valve assembly and retain the suction valve assembly within a chamber of a fluid...
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WO/2017/204261A1 |
[Problem] To provide a pressure detection device in which it is possible to reduce the number of components and achieve a reduction in size, and an electromotive hydraulic pump in which the pressure detection device is stored. [Solution]...
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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/2017/198718A1 |
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2) has a flange (8) extending transversely to the first axis (4), a pl...
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WO/2017/198720A1 |
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2) has a flange (8) extending perpendicularly to the first axis (4), a...
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WO/2017/191228A1 |
The present invention relates to a hermetic compressor (1) suitable for use for circulation of a refrigerant fluid in a refrigeration cycle in cooling devices, for example in refrigerators, comprising a casing (2); a cylinder (3) that is...
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