Class 417/65 - ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER

Subclass of Class 417 - Pumps
Definition: Apparatus in which one fluid is pumped or motivated by direct
No. of patents: 35
Last issue date: 03/08/2011

Number	Title	Issue Date
7901191	Enclosure with fluid inducement chamber An enclosure (100) comprising a wall structure (110) defining a container space (112) and electronic devices (114) contained within this space (112). The wall structure (110) includes an entrance for providing an operative f...	03/08/2011
7313840	Induction liquid pump and magnetic tank scrubber An induction liquid pump includes a power unit and a circulation unit that are oppositely mountable to a tank with a plurality of fixation units. The liquid pump power unit includes a power induction unit to produce a variable magnetic field. The submersible liquid ...	01/01/2008
7207781	Pressure exchange apparatus with dynamic sealing mechanism A pressure exchange device is provided that utilizes a rotor assembly inside a housing to transfer the pressure of a fluid from one high pressure fluid to another low pressure fluid. The housing may comprise a pressurized fluid contained therein to provide a sealing...	04/24/2007
7201557	Rotary pressure exchanger A pressure exchanger for the transfer of pressure energy from a high pressure fluid stream to a lower pressure fluid stream wherein a generally cylindrical housing contains a rotor having a plurality of channels extending axially therethrough and a pair of end cover...	04/10/2007
7067211	Cogeneration system for a fuel cell A fuel cell system and process using an organic Rankine cycle to produce shaft work to operate a fuel cell system component such as an air compressor. The air compressor delivers compressed air to a fuel cell stack. The steps of the Rankine cycle include pumping a l...	06/27/2006
6929777	Pneumatically actuated integrated life support system A fluid pump used to circulate and oxygenate blood, the fluid pump having an electrical or pneumatic motor having a motor shaft, a gas exchange assembly connected to one end of the motor shaft, and a hollow venturi that defines a venturi inlet opening, a venturi exh...	08/16/2005
6884528	Cogeneration system for a fuel cell A fuel cell system and process using an organic Rankine cycle to produce shaft work to operate a fuel cell system component such as an air compressor. The air compressor delivers compressed air to a fuel cell stack. The steps of the Rankine cycle include pumping a l...	04/26/2005
6666269	Method and apparatus for producing fluid from a well and for limiting accumulation of sediments in the well An electric submersible pumping system provides for the production of fluids from a well and for limiting the amount of sediment accumulation in the well. The apparatus includes an electric submersible pumping system lowered into a well on a production tu...	12/23/2003
6638024	Hydraulic air compressor system--employing a body of fluid to provide compression A gas compression system including a body of fluid and a down pipe. A first end of the down pipe is positioned to receive a fluid from a source above a surface of the body of fluid and a second end is positioned at a lower level of the body of fluid. A ga...	10/28/2003
6599098	Thermolysis reaction actuating pump A thermolysis reaction actuating pump system including a first set of walls defining a channel having a cross-sectional area less than one millimeter squared, and wherein a liquid is received in the channel. A second set of walls defining a reaction chamb...	07/29/2003
6540487	Pressure exchanger with an anti-cavitation pressure relief system in the end covers A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is ...	04/01/2003
6447216	Fluid pumping system for particulate material A fluid pumping assembly for pumping particulate material includes a pump housing defining a pump cavity including a pumping chamber for handling particulate material, a motive fluid chamber, and a moveable diaphragm. The fluid pumping assembly also inclu...	09/10/2002
6422826	Fluid pump and method A pump(10) for pumping various primary fluids includes a body(100) having a primary fluid channel(110) defined therein, and a primary fluid supply is coupled to the primary fluid channel to supply a primary fluid to the primary fluid channel. A mechanism(...	07/23/2002
6244826	Gaseous piston method for suction and compression in closed chamber gas equipments A method for conducting suction and compression operation on a gaseous medium of thermodynamic process in the closed chamber of a closed chamber gas equipment said suction operation intended to bring the gaseous medium in to the closed chamber and said co...	06/12/2001
6234764	Hydraulic ram pump The invention relates to a hydraulic ram pump, comprising: a propulsion water line fed with propulsion water, a delivery line which can be connected to delivery water via a bottom valve, a ram pump valve which is connected to the propulsion water line and...	05/22/2001
6234760	Pumping-ejection apparatus and variants The invention relates to the field of jet technology, primarily to apparatus for evacuation and gaseous mediums' compression. Apparatus is furnished by liquid-gas ejector, pump, separator and condenser. Ejector contains receiving chamber, which has a space in ...	05/22/2001
6210122	Method and delivering an explosive composition An explosive slurry is positioned in the interior of a pressure tank. A liquid is introduced into the interior of the pressure tank and into direct contact with the slurry. The slurry is forced out of the interior of the pressure tank to a position of uti...	04/03/2001
5970999	Hydraulic vacuum pump The hydraulic vacuum pump (HVP) uses a centrifugal water pump with unconventional inlet and outlet connections that cause unconventional patterns of fluid flow. Valves are not required for operation. The submerged pump outlet must be kept open and unobstr...	10/26/1999
5816313	Pump, and earth-testable spacecraft capillary heat transport loop using augmentation pump and check valves A spacecraft includes heat-generating payload equipment, and a heat transport system with a cold plate thermally coupled to the equipment and a capillary-wick evaporator, for evaporating coolant liquid to cool the equipment. The coolant vapor is coupled t...	10/06/1998
5641399	Air development system for a pool cleaning device A swimming pool cleaning system 2 is provided which provides both water suction and compressed air to a pool cleaning device. A pump 20 draws water form a swimming pool P through the pool cleaning device, an attached vacuum hose 14 and a suction line 12. ...	06/24/1997
5616007	Liquid spray compressor A liquid spray compressor is provided in which cooling liquid is sprayed into a vessel containing gases or vapors to be compressed, thereby displacing the gas and simultaneously absorbing a significant amount of the heat of compression....	04/01/1997
5380160	Power head assembly for a protein skimmer A protein skimmer for clearing the impurities in an aquarium, comprising a skimmer body, an impurities collector, a top cover, a power head, an intermediate partition plate, a side partition plate, a transverse partition plate, a foam grid and a plurality...	01/10/1995
5291754	Expeller with a gas-bubble pump The abstract concerns an expeller with six pump tubes positioned round the circumference of a circle. A weak refrigerant solution is conveyed through the tube by rising vapor bubbles. Heating is by means of sich flame tubes. To improve heat transfer, the ...	03/08/1994
5261794	Fluid pressure feeding apparatus A fluid pressure feeding apparatus for feeding cold water for cooling a mining pit into the pit and pumping water and muddy water heated within the mining pit onto the ground. A controller for switching a number of the operative chambers is provided to th...	11/16/1993
5163292	Simplified fluid pressure operated engine Controls for operating fluid pressure fueled reciprocating piston engines are simplified by passing fuel directly to a cylinder inlet port from a synchronously timed rotary distributor. This permits a snap acting diaphragm transfer valve normally opening ...	11/17/1992
4917542	Pneumatic grout removal method for forming foundation structures A practical method of forming foundation structures for buildings or the like is provided which allows economical and convenient formation of foundation piles and pile caps. In the preferred method hereof, an auger is drilled to a desired depth in the soi...	04/17/1990
4905719	Flurocarbon pumping system A system and method for pumping liquid fluorocarbons and the like from a pressurized supply container to another container. The system compensates for the inherent vapor pressure drop occuring within any pressurized container of fluorocarbons as the fluor...	03/06/1990
4896505	Pressurized-fluid-operated engine A pressurized-fluid-operated engine having a plurality of reciprocatable pistons carried within cylinders through connecting rods with an output shaft. The engine is adapted to operate on pressurized air or pressurized gases, without combustion, and it in...	01/30/1990
4813851	Process and appliance for conveying liquid or gaseous fluids Process and appliance for conveying liquid or gaseous fluids, this process involving no mechanically movable propelling elements, but rather the formation, on the fluid that is to be conveyed, of interfaces with an additional fluid, and the application of...	03/21/1989
4749034	Fluid mixing apparatus for submersible pumps A well pump assembly has a tube extending into the well for delivering water to a point below the pump to reduce the viscosity of the oil being pumped. The downhole motor that drives the pump is surrounded by a jacket. The tube that delivers the water ext...	06/07/1988
4534709	Water displacement mercury pump A water displacement mercury pump has a fluid inlet conduit and diffuser, a valve, a pressure cannister, and a fluid outlet conduit. The valve has a valve head which seats in an opening in the cannister. The entire assembly is readily insertable into a pr...	08/13/1985
4527956	Pipe for elevating liquid, and device provided therewith A pipe for elevating a liquid by liquid portions separated by gas gaps has a plurality of passages each having an inner diameter selected so as to form a stable meniscus film at the borders between the liquid portions and the gas portions and each having ...	07/09/1985
4370859	Method of and means for lifting water and generating power therefrom Water is raised from a lower to a higher level by creating an air/water-droplet environment which is effective to establish a pressure head that imparts an upward velocity to the air in excess of the downward drift velocity of the droplets whereby the lat...	02/01/1983
4354805	Fluid dynamic energy exchanger A gas-to-gas energy exchanger utilizing a commutator repetitively diverts a jet of a first pressurized gas between an energy exchange conduit and an exhaust outlet. Upon entering the energy exchange conduit, the first gas creates a pressure wave which tra...	10/19/1982
4272223	Fluid dynamic energy exchanger Transfer of energy from a relatively high pressure flowing first fluid to a relatively low pressure second fluid is achieved with a master commutator (10) driven solely in response to the flowing first fluid and which separates the first fluid into discre...	06/09/1981

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Class 417/65 - ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER