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Patent Searching and Data


Matches 251 - 300 out of 10,383

Document Document Title
WO/2015/040132A1
The invention relates to a hydraulically controlled device comprising a double-acting cylinder (VR1) applying a force in one direction to an external element in one operational phase, and receiving a force in an opposite direction in ano...  
WO/2015/042224A1
Embodiments of the present disclosure relate generally to pumps and systems that use a differential pressure gradient to transfer fluids. In one example, the pumps may use available differential pressure that exists due to outside pressu...  
WO/2015/036206A1
The present invention relates to a piston compressor for compressing fluids, with a compression chamber (2, 3) for compression and a compression piston (4, 5), wherein for drive purposes preferably a ball screw drive is provided, compris...  
WO/2015/017910A1
A fluid dispensing device (12) has a pump cap (30) that is permanently installed on a pump (40) and a nozzle (20) that is removably attached to the pump cap. The device is attachable to a fluid reservoir (14). The nozzle may be repeatedl...  
WO/2015/015204A1
Apparatus is described which comprises at least one reactor (2), at least one linear piston pump (3), the or each piston pump including a tube (6), a piston (8) and an arm (9) coupled to the piston, the or each piston pump arranged to in...  
WO/2015/011353A1
The invention relates to a rotary swinging subassembly (1) for volumetrically pumping a fluid, wherein said subassembly comprises a hollow body (2) through which pipes (CPi, CDi) pass, a piston (4) accommodated in said cavity (25) defini...  
WO/2015/011352A1
The inventive rotary-wave sub-assembly (1) for pumping a fluid comprises a hollow body (2) provided with two conduits (11,12), a piston (3) defining, with the body (2), a work chamber (31) angularly movable between two fluid configuratio...  
WO/2015/009452A1
An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (cranked rod pumping) apparatus for imparting reciproc...  
WO/2015/009623A1
A fluid pumping device includes a pump housing having a longitudinal axis and a driveshaft rotatable relative to the pump housing about the longitudinal axis. The driveshaft has a first cam surface at a terminal end of the driveshaft. Th...  
WO/2015/009717A1
A mechanical pump includes a motor with an output shaft, a cam coupled to the output shaft for rotating the cam when the motor is energized, and a driver with spaced ledges engaging the cam and driven linearly by the rotating cam. The pi...  
WO/2015/006348A3
A chemical meting system to dispense a known or pre-determined amount of cleaning or treating fluid without requiring any moving mechanical parts or power source, for use in fluid tanks having a volume of liquid periodically varying betw...  
WO/2015/004508A1
A mechanism 21 for converting rotating motion to rotating and reciprocating motion and/or vice versa. The mechanism has a housing or support 22, a first member 23 rotatable about a first axis and reciprocable along the first axis, and a ...  
WO/2015/002577A1
The present disclosure relates to a liquid distribution system (18) for a hub (12). The liquid distribution system (18) comprises a liquid supply portion (20) arranged to supply liquid to at least one component (22) located within the hu...  
WO/2015/000646A1
A Selective Catalytic Reduction system Dosing Pump (12) for delivering a reagent comprising a pumping part (18) having a body (14, 20) provided with a pumping element (66) having a bore (72) extending along a pumping axis (Z) within whic...  
WO/2014/207532A1
The invention relates to a pump comprising: at least two pistons (3, 4) placed in at least one cavity (22) located in at least one pump body (2, 2'), forming at least one pumping chamber (31, 32) located on each side of the ends of the p...  
WO/2014/202864A1
A booster device for a hydraulic circuit comprising a high-pressure circuit (12) and a low-pressure circuit (16) connected to a system generating the high pressure and to receivers, said booster device maintaining a minimum pressure in t...  
WO/2014/198627A1
The invention relates to a method for operating a heat pump (1) comprising the following steps: a fluid is condensed by means of at least one condensation device (5); the fluid is expanded by means of at least one expansion device (6); t...  
WO/2014/195312A1
The invention relates to a metering pump having a hydraulic drive mechanism (12) for making a pressurized hydraulic fluid available. The metering pump further comprises a housing (2), a reciprocating piston (3) which is accommodated in t...  
WO/2014/188447A2
In this method of invention, a container with closed mouth and open bottom will be immersed into water column, where air will be accumulated over liquid column acting as an air cylinder. This container will be pressed into the water usin...  
WO/2014/188447A3
In this method of invention, a container with closed mouth and open bottom will be immersed into water column, where air will be accumulated over liquid column acting as an air cylinder. This container will be pressed into the water usin...  
WO/2014/186512A4
A positive displacement fluid pump with increased service life is described. The positive displacement pump includes a plunger, a suction bore and a discharge bore. The plunger, the suction bore and the discharge bore form a pumping cham...  
WO/2014/186512A1
A positive displacement fluid pump with increased service life is described. The positive displacement pump includes a plunger, a suction bore and a discharge bore. The plunger, the suction bore and the discharge bore form a pumping cham...  
WO/2014/182472A1
A pneumatic reciprocating fluid pump for pumping a fluid at least one check valve assembly that includes a check valve body insert, a ball within the valve body insert, and an annular sealing ring member disposed within a seat ring recep...  
WO/2014/178980A1
A pump including a cylinder body having first and second ends and a cylinder bore, a plug shaft including first and second ends and a plug shaft bore, wherein the first end of the plug shaft is fixed relative to the cylinder body, and wh...  
WO/2014/174072A1
The invention relates to a pump assembly (1) for supplying negative pressure to a pneumatic brake booster, wherein the pump assembly has at least two elastic displacement elements (2, 2') which are moved by connecting rods (3, 3'), said ...  
WO/2014/166639A1
The invention relates to a two-cylinder thick matter pump, particularly for conveying concrete, wherein two conveying cylinders convey the thick matter through a suction line into a feed line in alternation and a transfer pipe is provide...  
WO/2014/160727A1
The presently-disclosed subject matter includes a pressure intensification device that increases the pressure of a fluid at a first pressure to a second higher pressure. In some embodiments the devices comprises an outer shell, and outer...  
WO/2014/151315A1
A fuel supply system for a vehicle uses a seal-less piston LPG injunction pump which pumps fluid from a storage tank to an engine. The pump uses the vehicle's pneumatic air system, wherein the pressurized air of this system alternatingly...  
WO/2014/144057A3
A hydraulic actuator (200) adapted to be coupled to one or more pistons of a compressed air energy storage (CAES) system includes a housing (205) forming a plurality of aligned bores (220a-220c), with a shaft (250) disposed therein for r...  
WO/2014/144078A3
A modular compressed air energy storage system includes modular low pressure and high pressure subsystems coupled together with interstage pipes. Each of the subsystems includes a hydraulic vessel (214a, 224b) adapted to contain a heat t...  
WO/2014/135313A1
The invention relates to a high-pressure pump for a fuel injection system, particularly a common rail injection system, comprising a pump housing (1) in which at least two pump elements (3, 3') are received and arranged radially about a ...  
WO/2014/136214A1
A radial piston hydraulic machine equipped with: one or more cylinders; one or more pistons each of which is provided so as to be capable of sliding within one of the cylinders; a cam, which has a cam surface formed by multiple lobes ali...  
WO/2014/127912A3
The present invention relates to a pump assembly for pumping a fluid lubricant such as grease or oil, the pump assembly comprising: a pump mechanism (120) configured for moving a fluid lubricant; a pneumatic cylinder configured for being...  
WO/2014/127912A2
The present invention relates to a pump assembly for pumping a fluid lubricant such as grease or oil, the pump assembly comprising: a pump mechanism (120) configured for moving a fluid lubricant; a pneumatic cylinder configured for being...  
WO/2014/125216A1
Pump for dispensing a fluid product, comprising a piston (1) secured to an actuating rod (2) and sliding in a pump body (3) comprising a pump chamber defined between an inlet valve (11) and an outlet valve (12), said outlet valve (12) co...  
WO/2014/121399A1
A system combining an inflatable device and an inflator, in which the two system components are independent but adapted for convenient combined transport, storage and operation.  
WO/2014/111770A1
Metering device for introducing a liquid additive into a stream of main liquid flowing along a pipe, comprising a pump (3) having a reciprocating differential piston for withdrawing the additive (A) from a container (2) and metering it, ...  
WO/2014/111770A8
Metering device for introducing a liquid additive into a stream of main liquid flowing along a pipe, comprising a pump (3) having a reciprocating differential piston for withdrawing the additive (A) from a container (2) and metering it, ...  
WO/2014/102557A4
The object of the invention is a foam-generating mixture for the forming of thermal insulation foam, which consists of a first component (A), a second component (B) and a third component (C), wherein the volume ratio of the first compone...  
WO/2014/102557A3
The object of the invention is a foam-generating mixture for the forming of thermal insulation foam, which consists of a first component (A), a second component (B) and a third component (C), wherein the volume ratio of the first compone...  
WO/2014/096162A1
A plug-in pump (1) having a cylinder (2) and having a pump housing (3), wherein the cylinder (2) has a cavity (4) in which a movable piston (5) is accommodated, wherein a first end (5a) of the piston (5) delimits a pump chamber (6), and ...  
WO/2014/097075A1
A high-pressure homogenizer, comprising: a plurality of pumping pistons (2a, 2b), for feeding a liquid to be homogenized toward a manifold (6), each piston being associated with a respective oil hydraulic cylinder; a homogenizing valve p...  
WO/2014/096309A1
The present invention relates to a device for loading a utilizable fluid with a changing pressure having a supply device (1) which has a connecting channel (6) which conducts a hydraulic fluid, and having switching means (5) which connec...  
WO/2014/100743A2
Microfluidic circuit elements, such as a microvalve, micropump or microvent, formed of a microcavity divided by a diaphragm web into a first subcavity bounded by a first internal wall and a second subcavity bounded by a second internal w...  
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...  

Matches 251 - 300 out of 10,383