Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 10,554

Document Document Title
WO/2015/117666A1
Air-driven hydraulic pump (1) comprising an air motor (2) and an oil pump (3), which is operatively connected with the air motor, wherein the air motor comprises a cylinder element (4) in which an air piston (5) is arranged movable in a ...  
WO/2015/116230A1
An apparatus and method of producing a pump including a housing and a cam received within the housing that is rotatable relative to the housing. The cam includes an axis of rotation. The pump further includes a retainer plate operable to...  
WO/2015/112502A1
High pressure pump systems with reduced pressure ripple for use with waterjet systems and other systems are described herein. A pump system configured in accordance with a particular embodiment includes four reciprocating members operabl...  
WO/2015/107567A1
A liquid supply device (100) for supplying liquid to an object to which the liquid is to be supplied. The liquid supply device (100) is provided with: a cylinder (30) having both ends closed; a piston (31) for dividing the space within t...  
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/2015/104660A1
A gravitationally assisted liquid pump assembly (10) for pumping a liquid from a liquid supply (12) to a reservoir (14) located at a level higher than the assembly (10) is provided. The assembly (10) comprising a variable volume supply c...  
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/2015/099538A1
A multi-stage gas compressor apparatus in a two-stage version comprises a first, central cylinder, forming a cylindrical chamber (8), and a second cylinder arranged concentrically with the first, central cylinder, forming an annular cham...  
WO/2015/089641A1
A piston pump for dispensing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through a piston- forming element of the...  
WO/2015/085883A1
Provided is a reciprocating plunger pump, including a plunger pump body, a plunger pump head and a crank circular sliding block mechanism provided in the plunger pump body. A crank circular sliding block mechanism, a circular sliding blo...  
WO/2015/081774A1
An oil cylinder control system and control method, and a pumping machine; the oil cylinder control system is provided with a closed oil pump (3), a reversing valve group, a rotation speed detection element (5), a displacement detection u...  
WO/2015/078532A1
The present invention relates to a compressor (1) for use in a refrigeration appliance, in particular a domestic refrigerator (2). The compressor (1) comprises a casing (3) which includes a cylinder block (4) which has a chamber (5) for ...  
WO/2015/074142A1
It is challenging to detect end of stroke for hydraulically actuated, reciprocating piston pumps for a variety of reasons. When the pump pressurizes a process fluid to a 10 relatively low pressure the magnitude of hydraulic fluid pressur...  
WO/2015/075447A1
There is provided an assay fluid delivery system comprising an array of fluid reservoirs (62), each of which is selectively actuatable to deliver a respective fluid to a fluid channel structure; and a fluid delivery control system (50) c...  
WO/2015/077205A1
A diaphragm pump and pump system including a pump housing defined along a longitudinal axis and having defined therein one or more pumping chambers and one or more driving chambers. At least two check valves communicating with each of th...  
WO/2015/063562A1
A fluid propellant (1) that swiftly delivers fluid doses at varying speeds, volumes and frequencies in a minimum space, comprising a piston (14), preferably with a hollow base, placed in a cylinder (19) located in a support (2, 3), holdi...  
WO/2015/066622A1
A pump comprising a housing having a cavity and a diaphragm positioned therein configured to fluidly separate the cavity into a driving chamber and a fluid chamber. The pump further includes a port that connects the driving chamber to a ...  
WO/2015/054505A1
The subject matter described herein relates to a spin pump that includes a combination of a compressor and a vacuum pump on respective pistons extending from a common crankshaft in a rotating housing. Related methods, apparatuses, system...  
WO/2015/049004A1
The device comprises a chamber (1) provided with an inlet (2) and an outlet (3); a piston (4) inside the chamber (1), the movement of which causes the exit of said substance; and a motor (5) with an output shaft (6) that drives the motio...  
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/2015/050752A1
A peristaltic pump includes a pump head (110) and a cartridge holder (112) disposed adjacent the pump head, and a removable cartridge (104) having a frame (140) disposed in the cartridge holder. The cartridge includes a first port (102) ...  
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/2015/044126A1
A device for metered delivery of a liquid or viscous substance comprising a casing (1), a reciprocating differential piston able to slide in said casing, a metering chamber (16) and at least one outlet (13) for media delivery, the volume...  
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/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/2015/006348A3
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/2015/036206A1
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/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/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/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/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/2015/004508A1
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/2014/144057A3
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/2014/198627A1
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/2014/186512A1
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/2012/035448A3
The invention relates to a regenerative pneumohydraulic pump for reducing the volume of oil in the system compared with hydraulic systems commonly used. The pump is actuated by compressed air which controls and supplies at the same time ...  
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...  

Matches 301 - 350 out of 10,554