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Patent Searching and Data


Matches 451 - 500 out of 10,451

Document Document Title
WO/2011/150099A3
A hydraulically driven reciprocating pump. In some embodiments, the pump includes a housing including a hydraulic chamber, a cylinder coupled to the housing, a piston assembly adapted for reciprocal motion within the housing and the cyli...  
WO/2012/034270A1
A microdevice structure of microchannel chip is provided which includes one gas channel and at least one liquid channel. The microchannel connects the gas channel and each liquid channel. The most basic microdevice of the microchannel ch...  
WO/2011/146125A3
A pump assembly comprises a base, a cam, a cylinder, a piston, and a shim clip. The cam rotates about a rotational axis with respect to the base. The cylinder attaches to the base, and has an inlet port and an outlet for fluid. The pisto...  
WO/2011/146126A3
A pump assembly comprises a cam and a piston. The cam rotates in a plane about an eccentric axis, and has a circumferential side wall. The piston engages the circumferential side wall of the cam, and runs along a piston axis which lies i...  
WO/2012/033982A2
A high-pressure fluid pump is operable to pressurize a fluid and includes a hollow stud including a first end, a second end, and a cylindrical space extending between the first end and the second end and a housing fixedly coupled to the ...  
WO/2011/082847A3
The invention relates to a radial piston pump, in particular for a hydraulic vehicle brake system, comprising an eccentric sleeve that is arranged in a rotationally fixed manner on a drive shaft (3) of the pump, and an eccentric bearing ...  
WO/2012/029818A1
A liquid can be continuously discharged in a poor environment in a disaster-stricken area without having to lift or tilt a large liquid container such as a plastic container and without having to use electrical energy. A bellow container...  
WO/2012/028369A1
In a pump (10) for a high-pressure system having a pump element which delivers a fluid and an actuator (14) which drives the pump element, in which pump (10) a continuously variable gear mechanism (12) is provided, by means of which the ...  
WO/2011/113469A3
The invention relates to a metering pump (1) comprising a base part (2), a drive shaft (11) that can be rotated relative to the base part (2), a pivoting part (9) that can be pivoted relative to the base part (2), a cylinder (3) with a c...  
WO/2012/025581A1
The invention relates to a spray gun for expelling a fluid, comprising at least one cylinder (1) in which a piston (2) is movably mounted. A fluid chamber (3) is formed in the cylinder (1), the volume of said chamber being changeable by ...  
WO/2012/022437A1
Apparatus for carrying out chromatography, preferably liquid process chromatography, in particular for industrial applications, using in each case at least one positive displacement pump, provided with a drive, for feeding product and el...  
WO/2012/021926A1
Apparatus (10) for harnessing ocean wave energy in a body of water (11) in which the apparatus incorporates provision for relieving excessive loadings on components of the wave energy conversion system for the purpose of avoiding damage ...  
WO/2012/022953A1
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments (5, 7). The segments have piston facing surfaces (15, 16) together defining a working surface of the fluid-working machine. The segments comprise a leadin...  
WO/2012/022952A1
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments. (5, 7) The segments have piston facing surfaces (15, 16)together defining a working surface of the fluid-working machine. The segments comprise a leading...  
WO/2012/022954A1
A fluid-working machine comprising a ring cam (1), at least one piston (11) defining a working chamber, and at least one valve (19, 21) associated with the or each working chamber for connecting the working chamber alternately to low and...  
WO/2011/020552A3
The invention relates to a rotary piston pump (1) for metering a coating agent in a coating installation, comprising several pump units (6-8), each having one cylinder (32) and one rotary piston (31) which carries out a tumbling action i...  
WO/2012/017820A1
Provided is a fluid rotary machine of which footprint can be decreased by achieving a reduced parts count and a simplified valve structure as well as by reducing externally coupled pipes used for suction and discharge of a fluid. The flu...  
WO/2012/017547A1
Provided are a check valve which achieves size reduction easily and improves yield to thereby enable the suppression of increase in manufacturing cost, a three-way stopcock unit, and a fluid substance transfer tool. The check valve is pr...  
WO/2012/012896A1
A downhole pump has a master piston having a first side and a second side in a first piston chamber. The first piston chamber has a first inlet and a second inlet for alternatingly applying fluid pressure to the first side of the master ...  
WO/2012/002141A1
A reciprocating pump can be manufactured without causing variations among products in the manufacturing process and can supply stable flow rate. A reciprocating pump is provided with: a cylinder having a suction opening and a discharge o...  
WO/2012/000067A1
A pneumatic pump has been developed for use in transferring inflammable, explosive or inert gases in a liquid state from a lower pressure position to another, higher pressure remote position, and consists of a mechanical device actuated ...  
WO/2011/100430A3
A human-powered pump assembly includes a frame and a treadle pivot attached to the frame, such that the treadle pivot defines a horizontal rotational axis. The pump assembly includes a pair of treadles coupled to the treadle pivot and a ...  
WO/2011/012696A3
Device to deliver fluid products, comprising a plurality of canisters (40), each containing a predetermined fluid, and connected to an associated delivery unit (20). The device comprises a rotating support (18), on which the plurality of...  
WO/2011/094694A3
Drywall mud pumps for pumping drywall joint compound from buckets into drywall tools that each include a body or main cylinder, a driver or piston, and a handle. A structural component may be in rigid relation to the body and the handle ...  
WO/2011/114285A3
A pump comprising a housing comprising a rotor chamber, inlet and outlet channels opening into the rotor chamber, and inlet and outlet seals mounted on a surface of the chamber, and a rotor rotatably and axially slidably received in the ...  
WO/2011/105697A3
According to the present invention, a dialyzing fluid pump comprises; a housing having an accommodating space formed therein; a dialyzing fluid supply tube and a dialyzing fluid recovery tube, at least a portion of each of which is accom...  
WO/2011/010198A3
A fluid pumping device comprising a pump housing (1; 101; 201; 301; 701; 901) containing a piston chamber (11; 101 '; 201 '; 310a, 301b; 701 '; 901 ' ) and a piston (2; 102; 202; 302, 302 '; 702; 902, 902 " ) moving back and forth inside...  
WO/2011/102706A3
The invention relates to a hydraulic wrench with manual actuation for tightening and loosening with torque regulation, that does not require an external element for the operation thereof, whether hydraulic pumps with their respective sup...  
WO/2011/150099A2
A hydraulically driven reciprocating pump. In some embodiments, the pump includes a housing including a hydraulic chamber, a cylinder coupled to the housing, a piston assembly adapted for reciprocal motion within the housing and the cyli...  
WO/2011/012692A3
Device to deliver fluid products or suchlike, comprising a plurality of canisters (40), each one suitable to contain a predetermined fluid, and connected to an associated delivery unit (20). Each delivery unit (20) comprises a bellows pu...  
WO/2011/059269A3
The present invention relates to an air suction pump and a method for vacuum sealing a vinyl bag using the same. The air suction pump includes: a base member; a housing mounted at the upper portion of the base member to be able to move i...  
WO/2011/139166A1
According to one embodiment, a system and process for the equalization of pressures of a flow stream across one or more valves is provided. A process circuit having clean non- abrasive fluid and at least one slave cylinder for transmitti...  
WO/2011/138070A1
The invention relates to a microfluidic component (1), in particular a peristaltic micropump, at least comprising a layer structure made of a fluidic substrate (2), an actuation substrate (4) and an elastic membrane (3) arranged therebet...  
WO/2011/026944A9
The present invention discloses an electromotive hydraulic drive (1) for a hydraulically operable component (90), in particular for a setting unit. The hydraulic drive (1) comprises a hydraulic cylinder (10) with a piston (20) which can ...  
WO/2011/140089A2
The invention relates to a double-acting pump system for use in moving a fluid. The pump system includes a means for inputting power at a location remote from the double-acting pump. The system allows for manual power input, such as thro...  
WO/2011/027294A3
A power multiplier system with levers increases the mechanical energy generated by an engine, imparting greater force to the piston, achieving greater compression ability, allowing air to be compressed without needing to apply high amoun...  
WO/2011/046352A3
The present invention relates to a manual hand pump, particularly to a manual hand pump having a sealing function, which can carry out an air suction function for vacuuming and a sealing function at the same time. The manual hand pump ha...  
WO/2011/049330A3
The present invention is a bubble-generating pump which discharges various types of soaps in a bubbled state in lieu of a solid soap or a liquid shampoo in the home or in a public bathroom, to thereby prevent the waste of soap and enable...  
WO/2011/127929A1
The invention relates to a manual fuel pump, comprising a housing, which has an inlet opening and an outlet opening, and a comprising a valve arrangement, which has two check valves and a valve support that bears the check valves, wherei...  
WO/2011/128151A1
The invention relates to a high-pressure pump (1), which is used in particular as a radial or in-line piston pump for fuel injection systems of air-compressing, auto-igniting internal combustion engines, comprising a pump assembly (5) an...  
WO/2011/128240A1
The present invention relates to a device for charging a tank of compressed propellent for guns, a projectile thereof being propelled by said propellent, where compressed air reaches a pressure about 250 bar in order to propel said proje...  
WO/2011/128149A1
A high-pressure pump (1) which serves, in particular, as a radial or in-line piston pump for fuel injection systems of air-compressing, auto-ignition internal combustion engines, comprises a pump assembly (6) and a drive shaft (7) which ...  
WO/2011/124079A1
An automatic inflation pump includes a casing (1), an air inlet (2), an air outlet (3) provided on the casing (1), a manual rotary switch, a sealing device provided at the air outlet (3), an air pump (4) disposed in the case (1) and a mo...  
WO/2011/116633A1
A liquid path distributing valve comprises a valve body (1) which is provided with at least two work units. Each work unit comprises one liquid inlet (11), one liquid outlet (12) and at least two interfaces (13). The liquid inlet (11), t...  
WO/2011/114285A2
A pump comprising a housing comprising a rotor chamber, inlet and outlet channels opening into the rotor chamber, and inlet and outlet seals mounted on a surface of the chamber, and a rotor rotatably and axially slidably received in the ...  
WO/2011/113241A1
A concrete pumping structure comprises a conveying cylinder (1), a water tank (3) and a driving oil cylinder (4). The conveying cylinder (1) is provided with a concrete piston (2). A piston rod (5) of the driving oil cylinder drives the ...  
WO/2011/113356A1
A concrete pumping structure and a control method thereof are disclosed. The concrete pumping structure comprises a first pumping cylinder structure and a second pumping cylinder structure. Each pumping cylinder structure comprises a del...  
WO/2011/070244A3
The invention relates to a water treatment facility comprising a water filtration module (15), a pump (27, 32) comprising a pumping module, a motor (10, 40), and a system for driving the pump by means of the motor. The pumping module com...  
WO/2011/105697A2
According to the present invention, a dialyzing fluid pump comprises; a housing having an accommodating space formed therein; a dialyzing fluid supply tube and a dialyzing fluid recovery tube, at least a portion of each of which is accom...  
WO/2011/101561A1
The double-acting piston compressor (1) according to the present invention includes at least one cylinder (3) in which a double-acting piston (4) moves; said cylinder (3) and said piston (4) together define an upper chamber (5) and a low...  

Matches 451 - 500 out of 10,451