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WO/2021/137651A1 |
A lyophilizer comprising a plurality of vacuum pumps, according to one embodiment of the present invention, is a lyophilizer which dries samples in a pressure state less than or equal to the triple point of water, and comprises: a lyophi...
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WO/2021/135811A1 |
Disclosed are a distribution valve and a pumping machine. The distribution valve is mounted inside a hopper (11) in a swingable manner, and is capable of transporting a fluid material. The distribution valve comprises: a skirt valve (2),...
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WO/2021/138462A1 |
A fluid end for a fracturing pump includes a plurality of segments (202, 204, 206) coupled together along a discharge axis (208), each segment of the plurality of segments (202, 204, 206) having a plurality of suction bores (212). The fl...
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WO/2021/132604A1 |
A plunger according to the present disclosure comprises: a plunger main body part that is made of sapphire, is columnar, and has a non-penetrating fitting hole extending in a center axis direction from one end; a core part that is insert...
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WO/2021/129966A1 |
The invention relates to a high-pressure fuel pump with a housing, with a conveying chamber which is arranged in the housing, and with a conveying piston which is arranged in the housing such that it can be displaced in an axial directio...
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WO/2021/128685A1 |
Provided are a pump head (10) of a pressure pump and a pressure pump. The pump head (10) of a pressure pump comprises a cylinder (100), wherein the cylinder (100) is provided with a first chamber (111), a movable chamber (112) and a seco...
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WO/2021/128413A1 |
An integrated module and device located at an outlet of a pumping station of a water cooling system. The integrated module comprises a housing (1), wherein a three-way valve mounting port (11), a first inlet (12) and a first outlet (13) ...
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WO/2021/128037A1 |
A wear-resistant plunger slurry pump, comprising a transmission assembly (1), a plunger assembly (2), a sealed lubricating piece (3), and a pump body assembly (4); the plunger assembly (2) comprises: plunger wear-resistant sleeves (2-2),...
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WO/2021/128689A1 |
Provided are a pressure pump head assembly structure and a pressure pump, comprising a main unit housing (10) and a pump head (20); the main unit housing (10) is provided with an assembly groove (100); the pump head (20) can be slidably ...
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WO/2021/128687A1 |
A pressure pump sealing structure, comprising a connecting portion (330) and a sealing portion (340) which are connected to each other. The connecting portion (330) is configured to be fixedly connected to a cylinder head (100). The seal...
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WO/2021/123987A1 |
The present invention relates to an axial piston pump (1,1') with inclined plate for pumping a liquid comprising: a head (20) in which there are at least partially a plurality of cylinders (25) in a number greater than three, with parall...
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WO/2021/123976A1 |
The present invention concerns an axial piston pump (1, 1', 1'',1''') for the pumping of a liquid comprising: a head (20) in which there is at least partially made a plurality of cylinders (25) in a number greater than three, with centra...
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WO/2021/122123A1 |
A pump arrangement is provided for a breast pump system having a pump motor assembly and a damping arrangement, providing a coupling between an outer surface of the pump motor assembly and an inner surface of a housing for the pump arran...
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WO/2021/126595A1 |
A portable, cryogenic fluid pump apparatus with associated instrumentation, conduit legs and accessories (10b, lib, 12b), are optimally configured on a modular supporting platform (2) for plug and play installation at a filling station a...
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WO/2021/126212A1 |
A reciprocating compressor includes a compressor cylinder defining a cylinder wall, a valve bore formed in the cylinder wall, and a compressor valve assembly arranged in the compressor cylinder. The compressor valve assembly includes a v...
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WO/2021/123982A1 |
This describes an axial piston pump (1, 1') with inclined plate for pumping a liquid comprising: a head (20) in which there are at least partially made a plurality of cylinders (25a, 25b, 25c, 25d, 25e) in a number greater than three, wi...
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WO/2021/120317A1 |
A pump body structure having a self-opening valve, comprising an iron core (1), a first sealing rubber head assembly (2), a housing (3), a sleeve (4), a second sealing rubber head (5) and a first spring (6); a front end surface of the ho...
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WO/2021/116835A1 |
A fluid pump includes a cam plate that defines an interior cam surface having an eccentric portion and a narrow portion. A hub rotates within the interior cam surface and has a piston cavity that is in communication with an inlet port an...
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WO/2021/113950A1 |
A pump assembly includes a housing with an air inlet and an air outlet, a motor supported by the housing, the motor including a drive shaft rotatable about a drive shaft axis, a first plurality of diaphragms supported by the housing, the...
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WO/2021/114316A1 |
A pump port connection pipe adjustment device, comprising a connection pipe set (1), a selection device and a limiting device, wherein the connection pipe set (1) is composed of connection pipes of different specifications; the selection...
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WO/2021/119125A1 |
A syringe pump for aspirating and dispensing fluids is provided. The syringe pump includes a pump casing having an inlet port and an outlet port, a ceramic piston liner received within the pump casing and a ceramic piston. The liner has ...
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WO/2021/114668A1 |
Provided are an open hydraulic pump and open hydraulic system; the open hydraulic pump has a sealed working chamber (1), and an oil outlet passageway (2) and a first oil suction passageway (3), each of which are in communication with the...
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WO/2021/118494A1 |
The present invention relates to a micropump developed to be used in microfluidic systems and operating on electromagnetic effects. Micropump can be mounted to the liquid inlet port of the microfluidic structure and have a cylindrical fo...
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WO/2021/109758A1 |
A main machine assembly (100) of a cleaning machine (1000) and a cleaning machine (1000) with same. The main machine assembly (100) comprises: a shell assembly (10), wherein the shell assembly (10) is provided with a mounting cavity (11)...
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WO/2021/112977A1 |
An actuator usable in a cooling system is described. The actuator includes an anchored region and a cantilevered arm. The cantilevered arm extends outward from the anchored region. The cantilevered arm includes a step region, an extensio...
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WO/2021/109087A1 |
Disclosed is a pumping system, comprising: a shell (1), with the front end thereof being provided with a connecting hole (13); a pump body (3), with the rear end thereof being screwed into the connecting hole (13) in a matching manner, a...
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WO/2021/105110A1 |
The invention relates to a pump, in particular a diaphragm pump with a pump head and a pump drive. Pumps, in particular diaphragm pumps for conveying and metering liquids, are used in the field of pharmaceuticals for producing medicament...
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WO/2021/108591A1 |
Disclosed is a gradient proportioning valve for liquid chromatography that includes a plurality of inlet ports configured to receive a plurality of fluids, a manifold connected to each of the plurality of inlet ports configured to mix th...
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WO/2021/107442A1 |
The invention relates to an arrangement for connecting electrical connections, in particular through a housing (2), for a device for driving a compressor with a connection arrangement (9) with at least one electrically conductive connect...
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WO/2021/099991A1 |
A metering unit for the controlled supply of a substance inside an aquarium tank comprises a containment box and a dosimetric pump which is actuated by an electric motor, both being associated with the containment box. The containment bo...
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WO/2021/102025A1 |
A power end assembly includes a crankshaft section, a crosshead section, and a connector section coupled together by one, two, or more sets of stay rods. The power end may include one or more support plates that are coupled to the cranks...
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WO/2021/097206A1 |
Disclosed embodiments include a reconfigurable multi-stage gas compressor having a first-stage compression cylinder, a second-stage compression cylinder, and two stepped cylinders. Each of the stepped cylinders include first and second c...
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WO/2021/096384A1 |
The invention relates to delivery systems for air and refrigeration compressors, as well as for vacuum pumps and heat pumps (compressors, inter alia, of the rotary piston and piston type). A delivery system for a rotary piston compressor...
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WO/2021/089267A1 |
The invention relates to a method for producing a piston (100). The aim of the invention is to overcome the disadvantages of a piston (100) designed as a purely cast product and thereby produce the piston in an optimally inexpensive and ...
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WO/2021/091783A1 |
Aspects of the present disclosure relate to packing nut locking apparatus and methods for fluid ends, and associated components thereof. In one implementation a fluid end apparatus includes a fluid end body having an outer surface, and o...
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WO/2021/081750A1 |
Disclosed is a multi-point supporting five-cylinder plunger pump, comprising a power end assembly (1), a hydraulic end assembly (3) and a reduction gearbox assembly (2). The power end assembly comprises a crankcase body, a crosshead case...
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WO/2021/081622A1 |
A pump assembly includes a pneumatic pump with a pump body having a discharge passage. The pump is operable to discharge compressed air through the discharge passage. The pump assembly also includes a cap adjacent the pump body and at le...
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WO/2021/078897A1 |
The invention relates to a conveying device at least for conveying a fluid, having at least one conveying chamber (18), at least one conveying chamber element (20) that at least partially delimits the conveying chamber (18) and is design...
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WO/2021/078900A1 |
The invention relates to a conveyor device at least for conveying a fluid, comprising at least one conveyor chamber (18), at least one dimensionally stable conveyor chamber element (20) which is formed separately from a housing (14) in p...
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WO/2021/078902A1 |
The invention relates to a pump at least for conveying a fluid, comprising at least one conveyor device which has at least one conveyor chamber (18), at least one dimensionally stable conveyor chamber element (20) that at least partly de...
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WO/2021/079629A1 |
A fluid control device (10) is provided with piezoelectric pumps (901, 902) and a substrate (20). The substrate (20) is provided with a dielectric base material (21) and a dielectric base material (22). The dielectric base material (21) ...
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WO/2021/077350A1 |
Disclosed is a rotary piston-type high-pressure pump with an energy recovery function, the rotary piston-type high-pressure pump comprising a housing (1), a driving mechanism (2), several piston assemblies (3), a cylinder body rotor asse...
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WO/2021/078898A1 |
The invention relates to a pumping device at least for pumping a fluid, comprising at least one pumping chamber (18), comprising at least one pumping chamber element (20) which at least partially delimits the pumping chamber (18) and whi...
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WO/2021/078447A1 |
The invention relates to an internally pressurized component, comprising a vertical inflow channel (1) and at least one horizontal connection channel (2, 3) branching off transversely from the inflow channel, which channels jointly form ...
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WO/2021/081107A1 |
The present disclosure relates, according to some embodiments, to a hydraulic fracturing pump comprising a fluid end assembly, the fluid end assembly comprising a cylinder body configured to receive a respective plunger from a power end;...
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WO/2021/073531A1 |
A piston pump assembly for use in a braking system, and a control method therefor. The piston pump assembly comprises a piston (2), a pump body (1) having a working chamber, and a driving mechanism (3) used for driving the piston (2) to ...
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WO/2021/068546A1 |
Disclosed is a spiral peristaltic pump, comprising a pump body (1) and an electric motor (2), wherein an output shaft of the electric motor (2) is connected to a power shaft of the pump body (1); the pump body (1) comprises pump pipes (1...
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WO/2021/064340A1 |
A device for compressing or pumping fluid comprises a reciprocating piston (101) riding inside a cylinder (102) providing two or more expanding and contracting chambers (103, 104) of which at least one of the chambers (103) is utilised t...
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WO/2021/057827A1 |
Disclosed is a refrigeration system, comprising a linear compressor (64), a casing (302), and a condenser (66), wherein the linear compressor (64) can comprise a shell (308) and a piston (316); the shell (308) can extend axially from a f...
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WO/2021/057090A1 |
A toggle-type open-close clamping structural assembly and a pump head of a peristaltic pump comprising same. The toggle-type open-close clamping structural assembly comprises: a lower pipe clamp and an upper pipe clamp (1) that are oppos...
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