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Matches 1 - 50 out of 27,169

Document Document Title
WO/2018/109692A1
Pump (1) comprising a first hollow cylindrical body (2) therein containing: a second hollow body (11) with a cylindrical outer profile and internally shaped in a cam-like manner, the second hollow body (11) being associated to drive mean...  
WO/2018/112080A1
A pump system comprising a primary AC pump, a control unit having a wireless communication module, and a back-up battery for powering the control unit. The wireless communication module is configured to communicate via a primary wireless...  
WO/2018/106961A1
A testing system (11) for pulsating pressure measurement of the pressure of a fluid (13) in dynamic pressure service in a pipe system (15) is disclosed. For example, the testing system can include an accelerometer (21) mounted to an exte...  
WO/2018/102942A1
A horizontal large-flow prefabricated pump station comprises a pump body (6), a coupling (7), a controller (8), a motor (10), a mounting plate (16), and a track frame (20). The pump body (6), the motor (10), the controller (8) and a vari...  
WO/2018/106726A1
In some embodiments of the present disclosure, systems and methods for monitoring operation of a pump are provided. In some embodiments, a system comprises: a pressure switch, comprising: a PCB within a housing; a power supply; a wireles...  
WO/2018/105068A1
The purpose of the present invention is to provide a reciprocating compressor which is a compact, light-weight, portable air compressor such that deterioration of performance due to problems such as wear on the surface finish of the cyli...  
WO/2018/102925A1
A submersible, hydraulically actuated, multi-stage double-acting positive displacement pump system is provided. The system has a hydraulically actuated reciprocating linear double-acting motor centrally disposed between and connected to ...  
WO/2018/106252A1
One or more wellbore servicing operations may require the pulsed delivery of a wellbore servicing fluid. To optimize efficiency and effectives of a given wellbore servicing operation a concentrated proppant stimulation fluid may be pumpe...  
WO/2018/101909A1
A pumping system pumps material downhole, for example, to perform a fracturing operation. The pumping system comprises one or more variable speed engines, one or more variable displacement hydraulic pumps and one or more intensifiers. Ac...  
WO/2018/100156A1
The invention relates to a linear piston pump comprising: a closed pump cylinder (1), in the working space (2) of which at least one pump piston (3.1, 3.2) runs in an oscillatingly driven manner, a pump chamber (4) thus being formed, a p...  
WO/2018/099597A1
The invention relates to a device for use in a machine for preparing at least one liquid for human consumption, the device comprising a hydraulic manifold which interacts with a metering unit that can be coupled at one end to a hydraulic...  
WO/2018/100623A1
A control device (101) of the control system is provided with an identification unit (311) and a control unit (312). The identification unit (311) identifies a high-temperature region and a low-temperature region in a room as a high-temp...  
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/2018/100342A1
A vacuum pumping arrangement (10), for use in a semiconductor fabrication assembly, comprises a first pump (12) which has a first inlet (14) and a first outlet (16). The first inlet (14) is fluidly connected to a first common pumping lin...  
WO/2018/101931A1
An apparatus includes a primer pump having a pneumatic power inlet, a fluid inlet coupled to receive a fluid from a fluid source and a fluid outlet to output the fluid in response to a pressure at the fluid outlet being less than a press...  
WO/2018/099710A1
A processing chamber (10) is connected to a lock chamber (12). A vacuum pump system is provided for evacuating the lock chamber (12) and/or the processing chamber (10). Said system comprises a vacuum pump device (18) comprising at least ...  
WO/2018/101094A1
In a variable-capacity compressor according to the present invention, a delay in pressure relief of a control pressure chamber, such as a crank chamber, is prevented. A switching valve (350) that is disposed at a downstream side of a con...  
WO/2018/099995A1
The invention relates to a coolant compressor comprising an electric drive unit, a cylinder housing (1), a crankshaft (3) which can be driven by the electric drive unit, and a piston (2) that can be driven by the crankshaft (3) and is gu...  
WO/2018/098505A1
Techniques for manufacturing miniaturized diaphragm pumps using additive manufacturing techniques, such as polyjet printing, are provided, as are the pumps and systems that result from using such techniques to produce the pumps. The prov...  
WO/2018/094912A1
A control method for a compressor, an apparatus and a household appliance, the control method comprising the following steps: acquiring the temperature of a heating component in an input circuit of a compressor, and acquiring an operatin...  
WO/2018/092504A1
This swash plate compressor is configured such that a first sliding layer is formed between a swash plate and each show, and a second sliding layer is formed between a cylinder bore and a piston. The first sliding layer and the second sl...  
WO/2018/092866A1
The objective of the present invention is to provide a terminal pressure control device and a terminal pressure control method with which power consumed by an air compressor can be reduced while suppressing fluctuations in the supply pre...  
WO/2018/090655A1
Disclosed is a control system for controlling the operation of an execution unit, the control system comprising a main controller ECU, a microprocessor unit MCU and a signal line BUS, wherein the main controller ECU sends a control signa...  
WO/2018/091747A1
The invention relates to a viscous material pump (1) comprising at least one hydraulically driven two-cylinder piston pump (2) for generating a viscous material delivery pressure, and a hydraulic pump (3), which supplies the two-cylinder...  
WO/2018/086283A1
A starlike/triangular seamless joint intelligent control system for air compressor energy-saving operation. The system comprises three parts of a panel component (1), a control component (2) and an executive component (3). Under the unif...  
WO/2018/087908A1
An electric pump apparatus (1) according to the present invention is provided with an oil pump (10) that discharges oil, an electric motor (20) that drives the oil pump (10), and a control device (30) that controls the current value supp...  
WO/2018/087376A1
The present invention relates to a volumetric pump that comprises an inlet section and an outlet section. The pump also comprises a first volume with variable geometry that is connected through a first suction valve to said inlet section...  
WO/2018/089299A1
Systems and methods determine a pump efficiency of a fluid pump (1 2). A characteristic of fluid flow of a fluid is monitored at a first point and at a second point on a flow path of the fluid pump (12). Fluid leakage that is a differenc...  
WO/2018/084350A1
The present invention relates to an individual control multiaxial syringe pump with a monitoring function, which can individually control pressurizing forces for pressurizing each syringe in a state where a plurality of syringes are moun...  
WO/2018/084718A1
A method for controlling torque equilibrium of a hydraulic motor (1), comprising; - setting a torque equilibrium reference position (r) in a control system (100), - setting a reference direction (d) in the control system (100), - determi...  
WO/2018/084831A1
Various embodiments include methods and apparatus structured to pump material, where such material is difficult to pump. In an embodiment, an apparatus can include an injector device capable of self-injecting material into a high pressur...  
WO/2018/078255A1
This cryogenic pump comprises: – a pump body (2) inside which is a piston (26) mounted so as to be mobile in translation along an axis (24), referred to as the longitudinal axis, and bounding a pumping chamber (31), – means for suppl...  
WO/2018/078853A1
A deterioration diagnosis device for performing a diagnosis regarding a compressor equipped with a compression mechanism unit driven in conjunction with the rotational movement of a rotary shaft, and a shell forming the outer shape. The ...  
WO/2018/077542A1
A delivery pump, in particular for cryogenic fuels, is proposed. The delivery pump has a pump element (21), which is actuatable by a drive device (30), and has a coupler chamber (29), which is filled with a pressure medium, wherein a pis...  
WO/2018/078491A1
The present invention is directed to a controller unit for controlling the speed of a motor (3) for driving an oil injected compressor (1), said controller unit (9) comprising: a data connection (12, 13, 14); a first module (17) configur...  
WO/2018/081393A1
An intermittent fluid delivery system includes a fill tank and a batch tank which is connected to the fill tank via a first pump and a first hose. The fill tank holds a first quantity of fluid. The batch tank holds a second quantity of f...  
WO/2018/075942A1
A water pumping system, a motor drive, and a method of starting pumping by the motor drive. The method includes performing repeated starting attempts to overcome stiction in a progressive cavity pump by attempting to supply power to an e...  
WO/2018/075034A8
Certain conditions require powering down an engine driving a pump. During the down sequence the pump may continue pumping servicing fluid which may not be desirable. Activating one or more control valves may throttle or prevent the servi...  
WO/2018/073496A1
The invention relates to an electric compressor (1) comprising at least one compressor wheel (3) driven by an electric motor (5) controlled by an electronic assembly (9), the electronic assembly (9) comprising a side (902) facing towards...  
WO/2018/073477A1
System with two pumps (B1, B2) connected in parallel to a delivery manifold (1) and two electronic pressure switches (P1, P2) provided with a pressure sensor (S1, S2) connected to the delivery manifold (1) and designed to alternate their...  
WO/2018/075034A1
Certain conditions require powering down an engine driving a pump. During the down sequence the pump may continue pumping servicing fluid which may not be desirable. Activating one or more control valves may throttle or prevent the servi...  
WO/2018/070295A1
A flow-forming unit (200) is provided with: a first pump unit (210) capable of forming a fluid flow directed toward a container (100); a second pump unit (220) capable of forming a fluid flow directed toward the container (100); a connec...  
WO/2018/065071A1
The invention relates to a semi-hermetic coolant compressor, comprising a reciprocating compressor, an electric motor, a complete housing which has a motor housing section for the electric motor and a compressor housing section for the r...  
WO/2018/062096A1
When an estimated rotational speed becomes lower than or equal to a predetermined rotational speed, a control unit 76 of a motor control device 70 increases the voltage to be applied to a coil 53 on the basis of a control signal for incr...  
WO/2018/064382A1
A hydraulic circuit includes a pump in fluid communication with a reservoir containing a liquid to be pumped. The pump includes an inlet and an outlet. The hydraulic circuit also includes a venturi pump in fluid communication with the re...  
WO/2018/061128A1
The present invention is provided with: a pump horsepower control valve (22) that applies, in an opposing manner, a first impelling force determining the limit horsepower (F) of a hydraulic pump and a second impelling force caused by a d...  
WO/2018/062083A1
Disclosed is a control device 70 that controls a motor unit 20 including a stator 50 that includes a coil 53, and a rotor 40 that includes a permanent magnet 44. The control device comprises: a detection unit 71 that detects the rotation...  
WO/2018/061380A1
Provided is a control valve for a variable-capacity compressor that is compact and with which the effect of differential pressure of a crank chamber pressure Pc, an intake pressure Ps, and the like can be minimized. An internal relief pa...  
WO/2018/063976A1
An integrated oil system manifold is provided, which includes a reverse rotation protection element, a main pump check valve, an auxiliary pump check valve, and a pressure relief valve, wherein the reverse rotation protection element, th...  
WO/2018/053911A1
A low-temperature activation method for a compressor (1) in a heat pump set comprises the following steps: after reception of a startup activation instruction from a compressor (1), controlling the compressor (1) to be activated by means...  

Matches 1 - 50 out of 27,169