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Patent Searching and Data


Matches 1 - 50 out of 10,366

Document Document Title
WO/2019/084620A1
A pump including one or more pumping chambers, one or more drive mechanisms for driving the one or more pumping chambers and a logic arrangement. The first pumping chamber of the one or more pumping chambers has a first inlet check valve...  
WO/2019/089912A1
A liquid pump having a pump liner and a pump piston, wherein the pump liner defines a central longitudinal bore and a transverse inlet bore communicating with the central bore for conveying a liquid. The pump piston has a centerline inte...  
WO/2019/081159A1
The invention relates to a fuel supply device for cryogenic fuels, said device comprising a pre-supply pump (1) and a high-pressure pump (2), wherein the high-pressure pump (2) has a reciprocally movable piston (3) which delimits a compr...  
WO/2019/080075A1
Disclosed is an efficient intelligent adjustable hydraulic pump, comprising a servo motor (3), a center gear (4), a planet gear I (5), a planet gear II (6), a planet gear III (7), an integrated oil cylinder (8), an oil circuit block (9),...  
WO/2019/068244A1
A steady flow hydraulic pump, comprising an oil cylinder (1), a hydraulic rod (2), cover plates (3), and oil nozzles (4). The hydraulic rod (2) comprises a piston part (202), a driving part (201), and a balancing part (203). The piston p...  
WO/2019/070992A1
Metastable state spore incubation mixing systems are described. An example system includes a spore container to store spores, a nutrient container, an arrangement of valves and tubes, a reciprocating pump, a mixing tube, and a holding ta...  
WO/2019/064779A1
[Problem] To provide a liquid agent application device that is capable of adjusting the displacement amount of a diaphragm. [Solution] A liquid agent application device 10 comprises a diaphragm 12 that changes the internal capacity of a ...  
WO/2019/065240A1
One embodiment of the drive device of the present invention is provided with: a rotor having a motor shaft disposed along a center axis extending in one direction; a stator radially facing the rotor with a gap therebetween; a housing hav...  
WO/2019/064770A1
[Problem] To provide a liquid agent application device with which it is possible to suppress damage to a piezoelectric element. [Solution] A liquid agent application device 10 comprises a diaphragm 12 that changes the internal capacity o...  
WO/2019/058950A1
This pump device is provided with a motor, a rotating shaft, a drive member, a first plunger pump, and a second plunger pump. The rotating shaft is rotated by the motor. The drive member is disposed at the outer periphery of the rotating...  
WO/2019/059163A1
A discharger (1) is configured such that a stopper (130) is disposed so as to be swingable between a restriction position where restriction parts (135,136) abut or approach a part (20, 100A) to be locked to restrict downward movement of ...  
WO/2019/057373A1
In a pump housing (56) of a hydraulic assembly (10) of a vehicle braking system, comprising a first housing section (58) and a second housing section (62), as well as comprising at least one pump receiving means (26) for receiving a pump...  
WO/2019/048647A1
The invention relates to a compressor (1) having at least one metal diaphragm bellows (16), forming a positive displacement chamber, for compressing and/or for conveying gases, comprising a housing in which a drive and the metal diaphrag...  
WO/2019/038024A1
A camshaft (24), in particular for a pump (10), is proposed. The camshaft (24) has at least two cams (26, 28) which are arranged next to one another in the direction of the longitudinal axis (25) of the camshaft (24) and the cam elevatio...  
WO/2019/038108A1
A system for pumping and/or compressing fluids is provided. The system comprises a base, a motor, a cam configured to be rotated about an axis of rotation by the motor, and one or more cylinder piston arrangements. Each cylinder piston a...  
WO/2019/037967A1
The invention relates to a piston pump assembly (1) for a hydraulic power brake system of a vehicle, comprising an electric motor (2), a planetary transmission (3), helical gearing (4), and a piston (5) which can be moved in a cylinder (...  
WO/2019/032120A1
In an example, a fluid pump includes a shifter having a first end and pivotable about a second end, a cam rotatably engaged with the shifter, wherein the cam is to rotate about a cam shaft axis if the shifter pivots about the second end,...  
WO/2019/024428A1
A reversing valve for a hydraulic piston pump, which is composed of a pilot valve (10) and a main valve (20); the pilot valve (10) comprises a pilot valve seat (13), a hollow valve core (12), and a slide shaft (17); the main valve (20) c...  
WO/2019/026542A1
This discharge pump (2) is provided with: a stationary suction part (A) which is equipped with a cylinder (A1) having a first check valve (V1) provided to a lower part thereof and a mounting member (A3) to be mounted to the neck part of ...  
WO/2019/022593A1
This disclosure relates to a pump system for handling a slurry medium, the pump system comprising a pump unit (101) consisting of at least two reciprocating positive displacement slurry pumps, both pumps being arranged for alternating in...  
WO/2019/018565A1
Pumps are provided, more particularly piston type pumps having increased energy efficiency, systems incorporating such piston type pumps, and methods of operating piston type pumps. The pumps are suitable for pumping of oil from an oil w...  
WO/2019/014730A1
The present utility model patent relates to an innovative two-stage membrane compressor, the first stage being peristaltic and the second composed of three plano-spherical chambers linked in parallel. Said model allows minimal maintenanc...  
WO/2019/013856A1
A hand pump design that utilizes an actuator with a folding nozzle suitable for use in e-commerce is presented. The use of a pump actuator with a folding nozzle, in addition to eliminating the protrusion of a conventional nozzle, helps t...  
WO/2019/007774A1
The invention relates to a dual acting pressure boosting liquid partition device (2), a system comprising the dual acting pressure boosting liquid partition device (2), a fleet comprising the system, and use of the device, system and fle...  
WO/2019/007972A1
The invention relates to a pneumatic motor (1) for a feed pump, comprising - a motor cylinder (10) and a motor piston (11) which is moveably arranged in the motor cylinder (10) and to which compressed air is applied, - a valve unit (30),...  
WO/2018/234145A1
The invention relates to a device for moving a fluid, comprising a dosing head in which a dosing chamber is arranged, and a displacement element which can be moved between a first and second position, wherein the displacement element bor...  
WO/2018/236515A1
An electric submersible pumping system for use in pumping fluids from a wellbore includes a motor, a pump driven by the motor, and a fluid expansion module connected to the motor. The fluid expansion module includes a piston seal housing...  
WO/2018/214161A1
A hand-held inflation device comprising: a first housing (10) in which a motor (11) is mounted; a second housing (20) in which a compression means (21) for generating compressed air is mounted; the second housing (20) is rotatably mounte...  
WO/2018/198147A1
A device (10) is described for delivering and dosing powdery, liquid, pasty or creamy products comprising: a first duct (5) for entering the product to be dosed; a second outlet duct (9) of the dosed product; an internal recess (12) conn...  
WO/2018/194126A1
A trigger type liquid sprayer (1) is provided with a sprayer main body (2) having a vertical supply pipe unit (10), a spray pipe unit (11), and a trigger mechanism (50). The trigger mechanism is provided with a main piston (52) that move...  
WO/2018/191423A1
A fluid treatment system, for example a membrane filtration system, utilizing means to mechanically vary fluid recovery and energy recovery to optimize fluid production for a given energy input, based on the total dissolved solids concen...  
WO/2018/183154A1
A positive displacement pump is provided. The pump comprises at least one piston operable to be powered by a power source and to pressurize a fluid. The at least one piston comprises an at least partially hollow piston wherein a flow of ...  
WO/2018/162418A1
The invention relates to a pump (13) for a lubrication system for applying a lubricant-air-mixture to a lubrication point (22a-22d), in particular a rail vehicle, preferably on a flange, wherein the lubrication system comprises a compres...  
WO/2018/160234A3
A hydraulic piston pump (100) includes a piston (128) disposed in a blind housing bore (150) of a piston housing (124) and that reciprocates to generate a pumping action. To accommodate the piston (128), a piston cartridge (170) is insta...  
WO/2018/160071A1
A subsea-based hydraulic system including a pump device (1) which is arranged to produce hydraulic power by extracting pressure energy from liquid that is being transferred from a reservoir (120) at approximately ambient pressure into a ...  
WO/2018/160234A2
A hydraulic piston pump (100) includes a piston (128) disposed in a blind housing bore (150) of a piston housing (124) and that reciprocates to generate a pumping action. To accommodate the piston (128), a piston cartridge (170) is insta...  
WO/2018/159517A1
This electrically driven pump 1 delivers liquid and comprises: a pump unit 10 having vertically reciprocating pistons (one piston 50 and the other piston 60); a motor unit 20 disposed vertically above and at a distance from the pump unit...  
WO/2018/152145A1
A hydraulically operated compressor (1) has a fixed piston (4) and a feed compression or outer cylinder (15). A drive or intermediate cylinder (3) is located between the piston and outer cylinder. A compression chamber (14) is formed bet...  
WO/2018/145795A1
The invention relates to an oil-free vacuum pump for evacuating gaseous media, comprising: an electric motor (4) which drives a shaft (3); a pump housing (1) having a pump chamber (10), as well as an inlet (15) and an outlet (16); a pris...  
WO/2018/125754A1
A pump or compressor includes a rotating shaft, and at least a first piston rod substantially perpendicular to the rotating shaft and connecting a first pair of pistons at opposite ends of the piston rod. The piston rod moves back and fo...  
WO/2018/123029A1
In an embodiment, provided is a driving apparatus comprising: a housing 12; a first driving body supported in the housing so as to be rotatable around a first central shaft; an eccentric driving body provided in the first driving body so...  
WO/2018/119499A1
The invention relates to a pump (1) with diaphragm (2) actuated by a manual lever (3), wherein the inlet access (4) is aligned, laterally to the pumping chamber (5), at 180┬║ to the outlet access (6), both accesses (4 and 6) being provid...  
WO/2018/114270A1
The invention relates to a device for generating a fluid jet for cutting a workpiece (50), comprising a high-pressure pump (3) that provides a compressed fluid, and a high-pressure line (5a, 5b, 5c) by means of which the fluid compressed...  
WO/2018/109521A1
A pressure transfer device for an inverse osmosis fluid treatment installation comprising at least one filtration unit. The device comprises a piston that is movable in translation in a cylinder, where the piston comprises a central part...  
WO/2018/109526A1
The present disclosure generally relates to a clamping arrangement for a valve assembly (e.g., a suction or discharge valve) of a reciprocating compressor. More specifically, the present disclosure describes a clamping arrangement for cl...  
WO/2018/106139A1
´╗┐Pumps comprising pistons, first stage cylinders, shafts and second stage cylinders. The pistons define shaft and coolant sides and slidably engage the first stage cylinders. The first stage cylinders extend beyond the coolant sides. T...  
WO/2018/101912A1
A pump system and method of operating the same may utilize two relatively smaller turbines that are attached to and used to power a single pump. The two turbines are releasably coupled to the pump via respective one-way clutches, thereby...  
WO/2018/101837A1
A plant for delivering a fluid in a conduit (10) comprises a prime mover (2), for example a gas turbine, which is configured to drive one or more fluid delivery systems (34a-c, 35a1-c1, 35a2-c2) for delivering a fluid in the conduit (10)...  
WO/2018/095999A1
The invention relates to a system (100) for purifying a liquid, referred to as liquid to be treated (104), in particular salt water, comprising: a so-called treatment module (112), for treating the liquid to be treated (104) and for prov...  
WO/2018/091306A1
During the operation of a piston pump having a cylinder (2), which encloses a cylinder volume, and having a piston (1), which is movable back and forth in the cylinder so as to generate a decompression phase and a compression phase in or...  

Matches 1 - 50 out of 10,366