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Pumps > Motor Driven > Fluid Motor

Fluid Motor

Fluid Motor patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

08/28/14 - 20140241913 - Hydraulic relief and switching logic for cryogenic pump system
A cryogenic hydraulic reciprocating piston pump includes a casing which defines a piston chamber. The sidewall of the piston chamber includes a retraction spill port as well as a pumping spill port. At the end of a retraction stroke, a retraction spill passageway that extends through the piston becomes aligned...

07/17/14 - 20140199190 - Integrated foot pedal control system for hydraulic power take-off assembly for atv
An integrated foot-operated pump control system for a variable-flow hydraulic power take-off assembly for use with an ATV. The integrated foot-operated pump control system simplifies installation, removal, and re-installation of the hydraulic power take-off assembly, eliminates hand fatigue, and enhances safety. The integrated foot-operated pump control system is embodied in...

05/22/14 - 20140140869 - Pneumatic reciprocating fluid pump with reinforced shaft
Reciprocating fluid pumps include a reinforced shaft including an inner shaft and a protective cover. The protective cover at least substantially encapsulates the inner shaft. The inner shaft exhibits a greater resistance to mechanical deformation than the protective cover, and the protective cover exhibits a greater resistance to chemical corrosion...

01/23/14 - 20140023530 - Piston pump for liquefied gas
A fuel supply system for a vehicle uses a multi-piston LPG injunction pump which pumps fluid from a storage tank to an engine. The multi-piston pump uses the vehicle's pneumatic air system, wherein the pressurized air of this system alternatingly drives at least two pistons of the piston pump. Each...

10/17/13 - 20130272905 - Device for transferring energy between two fluids
Device for transferring energy between a driving fluid and a driven fluid without contacting or mixing with each other is provided. The device comprises: an elongate central body (44) with a profiled cavity (37, 38) on either side having a respective fluid passage (45,46); a pair of composite outer bodies...

09/19/13 - 20130243620 - Dual outlet pump
A dual outlet pressure pump includes a housing having first and second inlets as well as first and second outlets. A plurality of vanes are driven by a rotor. An asymmetric rotor cavity includes a first surface engaged by the vanes shaped to at least partially define a plurality of...

08/08/13 - 20130202459 - Water-powered pump actuation system
A water powered pump actuation system configured to power a reciprocating element of a pump. The pump actuation system may comprise a base, a wheel rotatably attached to the base, an attachment element fixed to the wheel and configured to fix the reciprocating element to the wheel. Rotation of the...

08/08/13 - 20130202460 - Fluidics pumping device
A fluidics pumping device including a body and a driving assembly is provided. The body has a chamber, a channel, an inlet and an outlet. The channel goes through the chamber and connects with the inlet and the outlet. The driving assembly is disposed in the chamber, and the driving...

07/11/13 - 20130177456 - Fluid pressure amplifier
A housing 10 defining a duct 11 for fluid flow contains a cylinder arrangement 18-20 mounted in or at an outlet end of the duct. An input piston 30 is exposed to the fluid flow through the duct and an obturator member 21 is mounted in the duct 11 and...

06/27/13 - 20130164155 - Forklift
In a forklift, power is transmitted to a traveling pump and an operating machine pump through a PTO unit provided to an output shaft of an engine along front-rear direction of a vehicle body. The traveling pump is disposed to a first face of the PTO unit facing the hydraulic...

03/28/13 - 20130078120 - Ejector-less vacuum creation pump using suction
Improvements in an ejector-less vacuum creation pump using suction from a low vibration and noise Eddy pump to create vacuum from the suction side of the pump volute where a liquid tornado effect feeds into an Eddy current effect located in the tornado center. Low heat is transferred to the...

01/24/13 - 20130022480 - Mechanical-hydraulic pumping system
Devices and methods for recovering production fluid from a subterranean formation using a mechanical-hydraulic production system. A mechanical-hydraulic production system is described that includes a power fluid pump, a production fluid pump and a hydraulically-actuated motor that is associated with the production fluid pump to actuate the production fluid pump....

12/27/12 - 20120328455 - Hydraulic fan assembly for an engine ventilation system
A fan for an engine ventilation system includes a housing defining an inlet and an outlet. A hydraulic motor is coupled to the fan housing and includes a motor housing, motor shaft, and shaft seal disposed between the motor housing and the motor shaft. An impeller assembly is disposed in...

12/27/12 - 20120328456 - Reduction of pump nuisance
A pump (800) for a beverage preparation machine (1) has: a pump inlet (810); a pump outlet (820); a liquid driver (815, 816) for pressurising and circulating a liquid from the pump inlet to the pump outlet; and a downstream pump conduit (870, 871, 872) connecting in fluid communication the...

12/27/12 - 20120328457 - Unlimited stroke drive oil well pumping system
An unlimited stroke drive method for pumping fluid from an oil well in which the well has a tubing string extending from the earth's surface down to a fluid producing formation. The method includes the steps of positioning a pump barrel within the tubing, an upper end of the pump...

12/13/12 - 20120315163 - Air-driven hydraulic pump with pressure control
A hydraulically driven pump with driving pressure controlled within a predetermined range. The hydraulically driven pump has a driving-fluid port fluidly coupled to a compressed air source and ambient, a driven-fluid inlet port fluidly connected to a tank, and a driven-fluid outlet port. A pressure sensor is used for providing...

12/06/12 - 20120308411 - Water-powered pump for use in irrigation and for other purposes
The present invention is directed to a water pump that may be easily constructed from inexpensive parts and materials and that is powered by the water source from which the water to be pumped is drawn. In a preferred embodiment, two pairs of lever arms located on opposite sides of...

06/28/12 - 20120164008 - Negative-pressure oxygen providing device
A negative-pressure oxygen providing device includes a base, a power unit, a first negative-pressure device, a second negative-pressure device, and a water suction member. The power unit is fixed on the base and includes a driving member with a driving shaft and a main shaft which communicates with the driving...

03/29/12 - 20120076677 - Drive system for a pressure wave generator
A drive system for driving a diaphragm pressure wave generator comprising opposed first and second diaphragms (11,13) that are each coupled at or toward opposite ends of a reciprocally moveable drive piston (19). The drive system comprises an operable actuator (27) that generates a reciprocating motion output having a low...

03/01/12 - 20120051953 - Energy management for conversion of methanol into gasoline and methanol into olefins
A process is disclosed for the conversion of a hydrocarbonaceous assets into gasoline. The hydrocarbonaceous assets are converted at a first methanol production facility into methanol by processes comprising gasification and methanol synthesis. At least a portion of the methanol is shipped to a second gasoline production facility that is...

06/23/11 - 20110150675 - Viscous fluid pump and related methods
A viscous fluid pump is provided. The pump has a housing that has an inlet for receiving viscous fluid and an outlet for dispensing viscous fluid. A bushing within the housing has an opening proximate the inlet and which provides access into an inner chamber of the bushing. The opening...

05/26/11 - 20110123369 - Displacement transducer
Provided is a displacement amplifying device which uses Pascal's principle and is insusceptible to temperature change. A main body (1) is provided with an accommodation space (11) for accommodating a medium (2) therein. The medium (2) is provided with a fluid (21) with a positive thermal expansion coefficient and a...

03/24/11 - 20110070107 - Disposable pump head
The present invention provides a pump, comprising: a disposable pump head having an input port and an output port, and being configured to be frictionally engaged to a motor so as to pump fluid into the input port, through the disposable pump head, and out the output port; and a...

02/24/11 - 20110044829 - pumping system
A pumping system comprising a membrane pump (1) for pumping a medium into or out of a vessel (6), the membrane pump comprising an actuating member (13) for moving a membrane (3) in a first direction from a first end position to a second end position against the action of...

01/13/11 - 20110008188 - Pneumatically operated reciprocating pump
The present invention relates to a pneumatically operated reciprocating pump comprising two opposed pumping chambers, in each one of which a respective flexible bellow slides between a compressed position and an expanded position, a slide of the two flexible bellows being controlled by shuttle means capable to alternatively let a...

12/30/10 - 20100329902 - Pneumatic motorized multi-pump system
Motorized single-machine multi-pump apparatus and closed-loop methodology interconnected with a gas pipeline at a natural gas production well, using pressurized gas flow and differential pressure to drive a pumping system regulated by pneumatic controls using self-generated clean, low-pressure instrument air. The apparatus is connected to the gas flow line and...

10/28/10 - 20100272587 - Submersible pump having a two-step control hydraulic valve
A submersible pump includes a pump valve configured to switch the pump between first and second states in which a piston is respectively extended and retracted. The pump valve includes first and second components that reciprocate between corresponding first and second positions. The pump is in the first state when...

07/22/10 - 20100183455 - Submersible pump
The present invention relates to a submersible pump and a submersible pump system for pumping liquid to a marine structure, the pump being adapted to be located in a tube. The pump comprises an upper portion and a lower portion. The upper portion is adapted to be connected to means...

04/29/10 - 20100104456 - Hydro-pneumatic system with pressure limiting valve
A hydro-pneumatic system has an air powered motor driving a hydraulic pump with a pressure limiting valve that turns off air flow to the air motor when a hydraulic pressure output by the pump at a sense port of the valve reaches a certain limit. A valve element of the...

04/29/10 - 20100104457 - Turbocharger
The turbocharger according to the invention has a rotor with a compressor wheel as well as a turbine wheel that is connected in a rotationally-fixed manner to the compressor wheel by means of a common shaft. The compressor wheel and the shaft are form-fittingly tensioned with one another, wherein respectively...

12/10/09 - 20090304533 - Rotary reciprocating intensified hydraulic actuator
This invention relates generally to a pneumatic, hydraulic or other media driver, rotating-reciprocating cylinder apparatus to be mounted on the proximal end of CNC lathe spindles, vertical or inverted machining centers, hydraulic machining work cells or rotary transfer machines to actuate work holding chucks, work holding fixtures, clamping apparatus or...

10/01/09 - 20090246045 - Device for concentrating a liquid, and differential piston pump
Disclosed is a device (V) for concentrating a liquid (F) which is pumped through a concentrating apparatus (3) by means of a differential piston pump and directly impinges the differential piston (K) in an assisting manner during the conveying stroke at a residual pressure as a concentrate (FK). The differential...

07/23/09 - 20090185920 - System and method for pumping fluid using a pump cassette
A system and method for pumping fluid using a pump cassette. The system includes a control assembly for operating the pump cassette. A force assembly having a movable member is capable of applying force to the pump cassette to press the pump cassette against the control assembly. The movable member...

07/02/09 - 20090169401 - Two-stage air powered pump
A two-stage air powered hydraulic pump has a portion of the air pressure that operates the pump diverted directly to the reservoir. The air pressure on the reservoir presses hydraulic fluid in the reservoir out of the reservoir, through the pumping chamber and to the load to quickly advance the...

06/04/09 - 20090142205 - Chemical liquid supplying apparatus and pump assembly
A chemical liquid supplying apparatus, which can discharge chemical liquid with high precision, is provided. A pump assembly is detachably mounted in a pump case in which liquid inflow and discharge ports are formed. The pump assembly includes: a cylindrical body in which a piston is slidably incorporated axially; an...

02/19/09 - 20090047150 - Anti-jammed air pump
An anti-jammed air pump includes a shell, the shell has a motor, a diaphragm and an internal seat inside, an air chamber is formed between the diaphragm and the internal seat, the internal seat has inlets and outlets, the inlets or outlets have unidirectional disc respectively; diaphragm connects with the...