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Matches 1 - 50 out of 6,332

Document Document Title
WO/2019/211239A1
The aim of the invention is to provide a device (100) for cleaning and/or maintaining escalator steps which permits simple and rapid repair of escalator steps. Said aim is achieved in that the device comprises a compressor (24), an air t...  
WO/2019/167011A4
The invention relates to a liquid chromatography fluid supply device (150) for providing a mixture of several different fluids as a mobile phase for a liquid chromatography sample separation device (10), wherein the fluid supply device (...  
WO/2019/210248A1
A well service pump system supplies high pressure working fluid to a well. The pump system includes a closed-loop hydraulic circuit for actuating a plurality of working pump assemblies. The pump system is powered by a motor, which transf...  
WO/2019/210257A1
A well service pump system supplies high pressure working fluid to a well. The pump system has a linear design which incorporates an electric motor (212), a variable frequency drive (VFD) (216), a pump drive (220), closed loop variable f...  
WO/2019/206600A1
The invention relates to a fuel delivery device (100) for cryogenic fuels, comprising a tank (30), a high-pressure delivery pump (1), and a supply line (18), via which the high-pressure delivery pump (1) can be supplied with cryogenic fu...  
WO/2019/205074A1
Embodiments of the present disclosure relate to a method for cleaning an in-process wafer. The method comprises causing the in-process wafer to be rotated, causing function water to be applied to a surface of the rotated in-process wafer...  
WO/2019/202831A1
This pump device comprises: a first piezoelectric pump; a second piezoelectric pump which is connected in series to an upstream side of the first piezoelectric pump; a drive part which provides an alternating current power input to the f...  
WO/2019/203483A1
An electrospinning apparatus for producing ultrafine fibers according to the present invention comprises: a cylindrical metal guide disposed to surround a hollow tube needle, which receives a charged solution and discharges the charged s...  
WO/2019/202029A1
In the system for compressing and transferring liquefied fuel into the gaseous phase, which is stored in a pressure container, the pressure container is connected to a cylinder of a first piston compressor via a first line and a first va...  
WO/2019/197235A1
The invention relates to a hydraulic system comprising two hydraulic circuits, each of which comprises a pressure generating unit that acts on an actuator unit with a reversible pump direction. The first and the second pressure generatin...  
WO/2019/187476A1
One aspect of the present invention relates to an electric pump, and the electric pump is provided with: a first pump chamber that pumps a first cooling medium using a first rotor; a second pump chamber that is disposed in parallel with ...  
WO/2019/173910A1
A pump system and method for producing fluids from a reservoir using a wellbore having a vertical section with a casing defining a wellbore annulus, a horizontal section in fluid communication with the wellbore annulus, and a production ...  
WO/2019/170370A1
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) has a feed duct (29), which connects together a high-pressure pump (6) designed to feed the fuel to the internal combustion engine (3) and a pr...  
WO/2019/170369A1
A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a high-pressure pump (6) having at least two cylinders (9), with a feed header (29) for feeding the fuel to the high-pressure ...  
WO/2019/167011A1
The invention relates to a liquid chromatography fluid supply device (150) for providing a mixture of several different fluids as a mobile phase for a liquid chromatography sample separation device (10), wherein the fluid supply device (...  
WO/2019/160056A1
The purpose of the present invention is to provide a fluid machine which has a high maintainability and in which the possibility of falling of a fluid machine body and rollover of a fluid machine housing is prevented. In order to achieve...  
WO/2019/155690A1
Provided is an injection device with which it is possible to improve convenience without a significant increase in cost. The injection device (1) is a device for injecting a fluid. The injection device (1) is provided with a plurality of...  
WO/2019/150626A1
Provided is a liquid feeding device, comprising: a pump head; and a plurality of plunger pumps that each having a driving unit which allows reciprocating movement of a plunger in the axial direction thereof inside a pump chamber that is ...  
WO/2019/143835A1
A gaseous compression system (10) for compressing a gas from an initial pressure to an exit pressure with a first, blower compression bank (20) and a second, mechanical compression bank (30). Each compression bank has plural stages of ga...  
WO/2019/142155A1
A portable hydraulic-powered air compressor system detachably connected to a hydraulic power system of a vehicle may include a reciprocating compressor. The reciprocating compressor may include a compression cylinder, and a compressor pi...  
WO/2019/125770A1
A probe assembly for aspirating and delivering liquids includes a liquid line having a liquid line end and a pipette configured to be in fluid communication with the liquid line, the pipette configured to aspirate and dispense liquids wh...  
WO/2019/116197A1
An apparatus (1300) includes a first pump module (1304), a second pump module (1302) and a sealing disc (1310). The first pump module (1304) includes a first flange having a first opening, a second flange (1322) having a second opening a...  
WO/2019/116790A1
This plunger pump is provided with: a pump body having a liquid tank, a liquid storage section, a suction passage which connects the liquid storage section and the liquid tank, and a discharge passage which discharges liquid within the l...  
WO/2019/112554A1
Certain conditions or triggering events require preventing or throttling the discharge of a servicing fluid from a pump to a wellhead or a borehole. Powering down may not be desirable or may require a duration that allows the condition o...  
WO/2019/101674A1
A hydraulic pressure supply unit comprises a storage chamber (1) which stores hydraulic fluid, a hydraulic pump (2) which is arranged within the storage chamber (1) and dips at least partially into the stored hydraulic fluid, and an elec...  
WO/2019/103904A1
A pump and motor assembly (20) includes a centrifugal pump (30), a bent axis hydraulic pump 58, and a wet-type drive motor (228). The motor has a rotor and a stator that are submerged in hydraulic fluid for full lubrication and cooling. ...  
WO/2019/090388A1
A system (3) for pumping fluid, including a sequence of two or more positive- displacement sub-systems (15A, 17A; 15B, 17B; 15C, 17C; 15D, 17D) each having a respective one-way inlet (21A, 21B, 21C, 21D). A respective one-way flow path (...  
WO/2019/086671A1
The invention relates to a system for pumping a compressible liquid, comprising at least two pumps, a first pump (10) and a second pump (20), of which the respective pump outlet lines (12, 22) are led together into a connecting piece (36...  
WO/2019/089564A1
A pump apparatus can include a suction tube, a pliable sealing ring, and an actuator mechanism coupled to the suction tube. The suction tube can be configured to be removably coupled to a container in which the viscous fluid is arranged ...  
WO/2019/083564A1
An apparatus includes a bootstrap accumulator (100) having multiple fluid expansion volumes each configured to receive fluid. The bootstrap accumulator also includes a piston assembly (116) configured to move within the fluid expansion v...  
WO/2019/083998A1
A multi-fluid, high pressure pump with a modular configuration, capable of converting hydraulic power from a source may be capable of pumping nearly any type of fluid. The modular configuration may provide for individual sub-pump modules...  
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/2019/058732A1
A hydraulic unit according to the present invention is provided with: a hydraulic pump; a motor that drives the hydraulic pump; an oil cooler (40) that cools hydraulic oil discharged from the hydraulic pump; a cooling fan that supplies c...  
WO/2019/060227A1
A method includes receiving field measurement data of a plurality of well-pumps disposed respectively in a plurality of wells. The field measurement data are representative of speed data and run-time data, of the plurality of well-pumps....  
WO/2019/034317A1
A control device (100) for a motor (210) for a hydraulic system (200) is provided. The control device comprises at least one first sensor (120, 130) for measuring a pump pressure of the hydraulic system and a load pressure of 5 the hydra...  
WO/2019/030001A1
The invention relates to a pump unit (1) for emptying a reservoir container (101) filled with a fluid or paste-like material (111) and in particular under vacuum, which reservoir container is a component of a storage device (100), wherei...  
WO/2019/021475A1
This liquid feeding device is provided with an ejection flow passage, a pump part, a liquid feeding pressure sensor, a non-ejection time pressure sensor, a precompression unit, and a precompression-speed determination unit. The pump part...  
WO/2018/208270A3
The present invention is a tandem pump (1) having a primary pump (10) having a primary drive gear (11) and a primary conjugate gear (12) connected to an input shaft (41) and a secondary pump (20) provided in the vicinity of the primary p...  
WO/2018/213639A1
Design solutions to mitigate the following four fatal flaws in the conventional pump system design; namely, (1) surprised pump-failure in single pump design that can result in costly water damage; (2) the threat of fatal high voltage ele...  
WO/2018/175478A3
Fluidic multiwell bioreactors are provided as a microphysiological platform for in vitro investigation of multi-organ crosstalks with microbiome for an extended period of time of at least weeks and months. The platform has one or more im...  
WO/2018/207295A1
This liquid feeding device is provided with: at least one liquid feeding pump that feeds a liquid; a main flow passage communicating with an outlet of the liquid feeding pump; a branch flow passage branched from the main flow passage; an...  
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/2018/200396A1
A positive displacement pump includes at least two pumping chambers and associated plungers. Each plunger is driven by an associated variable speed motor, such as a stepper motor, in a reciprocating motion. The stepper motor varies speed...  
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/2018/172217A1
The invention relates to a device for supplying and/or suctioning a fluid substance to or from a human or animal body, having a drive unit (1, 2) with a drive (20), a connection part (5; 5') which can be connected to the drive unit (1, 2...  
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/2018/161142A1
An electrical generation system is disclosed. The electrical generation system includes a liquid pump coupled to a liquid source to provide a pressurized stream of liquid that impinges upon a water turbine that is coupled to a generator....  
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/2018/156131A1
A pumping module is positionable within a pump housing for pumping fluid into a wellbore. The pumping module includes a cylindrical housing with an inlet end and an outlet end, an inlet cap positioned on the inlet end of the cylindrical ...  

Matches 1 - 50 out of 6,332