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Patent Searching and Data


Matches 301 - 350 out of 10,400

Document Document Title
WO/2014/092124A1
A liquid supply device (10) continuously discharges liquid by linearly reciprocating plungers (13a, 13b) in such a manner that the phases thereof are displaced relative to each other in the axial direction, the plungers (13a, 13b) respec...  
WO/2014/090745A1
A Medical pump (100) for conveying a liquid (12) and a method of operating the medical pump (100) is provided. The medical pump (100) comprises a chamber (4) further comprising an inlet (5) and an outlet (27). The medical pump (100) furt...  
WO/2014/088880A1
A liquid pumping system comprises a plurality of liquid pumps and a hydraulic drive unit. Each liquid pump is driven by a separate hydraulic cylinder. The hydraulic cylinders are powered by a shared hydraulic pump through a valve set. A ...  
WO/2014/088835A1
A liquid pumping system includes at least two water cylinders that are each controlled by a hydraulic piston. A rotary valve controls the hydraulic pistons. The rotary valve has an inner unit that rotates within an outer unit. Slots prov...  
WO/2014/088879A1
A method includes driving a fluid pumping unit having a plurality of pumping cylinders via a plurality of hydraulic cylinders respectively of a hydraulic power unit. The method further includes controlling activation of the hydraulic pow...  
WO/2014/087702A1
[Problem] To provide a marine power generation system that creates the water flow necessary for hydropower generation and thus generates power, by using the large amount of energy of ocean currents, even when the flow speed thereof is in...  
WO/2014/081063A1
The present invention relates to an auto-self gas compressor, and the objective thereof is to provide an auto-self gas compressor which is self-driven by a low pressure gas introduced from a low pressure container, without using a separa...  
WO/2014/080691A1
A hydraulic pump having a piston driven by the driving force of an electric motor is configured compact. A cam mechanism and a pump section are arranged coaxially with the rotation axis of the output shaft of an electric motor. The cam m...  
WO/2014/080116A1
A fluid product dispensing member, such as a pump, comprising a chamber (20) in which the fluid product is pressurised and an outlet valve through which the pressurised fluid product is discharged from the chamber (20), the outlet valve ...  
WO/2014/076609A1
A fluid pump (10) has a pump body (20) having a fluid path (21) with an inlet (22) and an outlet (23). The fluid pump also has a diaphragm (24) disposed along the fluid path (21) between the inlet (22) and the outlet (23), a non-return v...  
WO/2014/073638A1
Provided is a pump capable of achieving a flow volume sufficient for use in an analysis system in a microenvironment. In this pump a valve (4) oscillates with a distance of 150-300 μm between a central position (the position midway betw...  
WO/2014/066427A1
The invention provides systems and methods for controlled dispensing of topical analgesics contained in a metered dispensing system. The systems and method are useful for treating signs and symptoms of osteoarthritis. The method includes...  
WO/2014/064254A1
The present invention relates to a wireline pumping assembly (1) for being introduced in a wellbore (60) or a casing (61) and submerged in well fluid. The wireline pumping assembly extends in a longitudinal direction (50) and is adapted ...  
WO/2014/037155A1
A fuel pump arrangement for a fuel injection system is described. The fuel pump arrangement comprises one or more cam-driven pump units (110a, 110b), and the or each pump unit (110a, 110b) comprises a pumping chamber (112a, 112b) and a p...  
WO/2014/034270A1
[Problem] A compressed air driven reciprocating piston hydraulic pump (P) comprises a main switching valve (42A) for switching the supply system for compressed air, and an auxiliary switching valve (42B) for switching the main switching ...  
WO/2014/032056A1
A portable water delivery system is described. The system includes a container with an opening, and a filtration system disposed in the opening. The filtration system has two chambers connected by a one-way valve conduit. A pump is dispo...  
WO/2014/026267A1
Electronically controlled linear pump drive actuator for operating a dispensing pump comprising: - a servo motor unit that has: - a stator with a central hollow cavity; - a rotor extending coaxially in the hollow cavity of the stator wit...  
WO/2014/023117A1
A modified pump body. The pump body comprises a piston seat (1), the piston seat (1) being provided with an accommodation cavity (10) with a piston (3) and an inlet opening (11) located at a side of the accommodation cavity (10); the pis...  
WO/2014/017382A1
The objective of the present invention is to obtain a pump device that performs pressurization and depressurization suitable for a reusable discharge device, and to obtain a pump device that can be used as a pump device in a device that ...  
WO/2014/015251A3
The present invention provides tissue-engineered pumps and valves, methods of fabricating such pumps and valves, and methods of use of such pumps and valves.  
WO/2014/010253A1
Provided is a tandem-type hand-operated pump for water-raising wherein a deep-well submerged pump and a water-raising device for a deep-well hand-operated pump are attached to a single casing pipe. The tandem-type hand-operated pump comp...  
WO/2014/009224A1
The invention relates to a high-pressure pump (10) for delivering a fluid, having a pump housing (12), a shaft element (15) which extends in the direction of a longitudinal axis (Z) and is mounted in a housing recess (13) of the pump hou...  
WO/2014/002036A2
The present invention concerns a tooling system for maintaining hand pumps (1) for deep boreholes remarkable in that it consists of a winch (4) comprising means for attachment to the body (2) of the pump (1) and intended to be attached f...  
WO/2014/000389A1
A pump stroke control method for a twin-cylinder pump for viscous materials, comprising the following steps: first, determining, according to predetermined condition parameters for a viscous material to be conveyed, a target pump stroke ...  
WO/2014/002522A1
A radial piston type hydraulic pump is provided with: multiple pistons arranged along the radial direction of the hydraulic pump; multiple cylinders for guiding the pistons such that the pistons slide in the radial direction; a cylinder ...  
WO/2014/001020A1
The invention relates to a piston pump for conveying material to be conveyed in the manner of thick material, in particular unset concrete. The piston pump has at least one conveying cylinder (10) and an axially movable conveying piston ...  
WO/2013/190287A1
Pump A handoperated water pump comprising a pump body, a piston, ahandle at the upper end of the piston, avalve system connected to the pump body and comprising an inlet and an outlet, wherein the lower end of the piston is provided with...  
WO/2013/184120A1
A diaphragm pump having an improved wobble plate and cam/bearing assembly for increased pump life and improved inlet and outlet valve design for increased effective sealing area. A cam/bearing assembly includes a cam injection molded dir...  
WO/2013/174120A1
A pumping mechanism comprises a pumping cylinder (1), an oscillating cylinder (2), a first reversing valve (3), a second reversing valve (4), a main pump (5), an oscillating pump (6), and a controller (7). The main pump (5) drives the pu...  
WO/2013/175277A1
The invention relates to a pump comprising two pistons placed in a rotor, situated in a stator forming two opposite parallel eccentric pumping chambers having at least one inlet port through which the fluid is drawn into at least one of ...  
WO/2013/168682A1
In order to minimize a reduction in the lubricating performance of a mechanical sliding section inside a crankcase of a piston pump in a fluid machinery provided with an expander that generates power through the expansion of a coolant, a...  
WO/2013/170279A1
A high pressure pumping system in which a first pump delivers a medium to a discharge port and to a second pump which subsequently delivers the medium to the discharge port.  
WO/2013/167601A1
An apparatus and method are disclosed for transmitting drive between a first and at least one further component. The apparatus includes an elongate shaft element extending along a respective longitudinal axis and comprising a first and f...  
WO/2013/164867A1
An hydraulic multiplier device (1) is described for compressing gas, preferably hydrogen, and in particular for filling bottles with such compressed gas, comprising at least one compressing system (2) of such gas and at least one fluid-t...  
WO/2013/164867A8
An hydraulic multiplier device (1) is described for compressing gas, preferably hydrogen, and in particular for filling bottles with such compressed gas, comprising at least one compressing system (2) of such gas and at least one fluid-t...  
WO/2013/163560A1
A volume control device having a housing with an inlet passage, an outlet passage, and an internal chamber communicating with the inlet and outlet passages. An accumulator is movably positioned within the internal chamber and substantial...  
WO/2013/152568A1
Disclosed is a plunger pump, wherein at least two crank throws (5) are provided on a crankshaft (4), a connecting rod (6) is connected to the crank throws (5), and the other end of the connecting rod (6) drives a piston in an upward and ...  
WO/2013/152549A1
A variable plunger piston pump comprises a pump body (1), a low-pressure plunger piston (3), and a high-pressure plunger piston (2). The low-pressure plunger piston (3) is arranged in the pump body (1); the pump body (1) is divided, by t...  
WO/2013/150146A1
The invention relates to a pump (1) with a pump housing (3) having a suction opening (4) and an outflow opening (5) and containing at least one conveying means such as a blade or an impeller, in particular for a toy device such as a toy ...  
WO/2013/147761A3
A system and method are disclosed for monitoring and controlling a positive displacement pump using readings obtained from a plurality of pressure sensors. The pressure sensors may be mounted at the suction, discharge and interstage regi...  
WO/2013/146576A1
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects t...  
WO/2013/146575A1
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects t...  
WO/2013/140879A1
A machine for raising/reducing hydraulic pressure (100) capable of continuously supplying an output pressure is provided with: at least one input-pressure chamber to which is applied an input pressure from a head-side pressure chamber (1...  
WO/2013/128909A1
The present invention addresses the problem of providing: a piston-cylinder device for a spray device, the piston-cylinder device being configured so that the piston-cylinder device has excellent sliding properties and so that the leakag...  
WO/2013/120261A1
A vehicle-mounted air compressor device comprising a glue refresh machine (9) with chemical glue solution. The glue refresh machine (9) can seal/inflate broken tyres in different usage states, namely, upright state/up side down state. Th...  
WO/2013/120401A1
A piston pump and a water purification device having the piston pump. The piston pump comprises: a valve body (1), the valve body (1) being provided with a cylinder; a piston (5, 6), one end of the piston (5, 6) being mounted in the cyli...  
WO/2013/120400A1
A check valve assembly, and a pump and water purification device using the assembly. The check valve assembly comprises: a valve body (1), the valve body (1) comprising a first valve seat (2) and a second valve seat (3); a first channel ...  
WO/2013/113902A1
The invention relates to a pump unit (1) that can be driven by an electric motor, in particular for providing vacuum for a pneumatic brake booster, comprising a pump housing (3) that can be closed by a working-chamber cover (2) and at le...  
WO/2013/106810A1
A compressor moves a fluid from an inlet to an outlet and provides a pressure differential there between due to respective pistons moving in and out of a plurality of piston chambers via a piston rod. A rotating shaft extends through a g...  
WO/2013/106115A3
In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via timing control.  

Matches 301 - 350 out of 10,400