Pumps inventions 05/08

20080124226 - Energy-conserving ventilating fan: An electrically driven fan arrangement, suitable for energy-conserving installations, includes a fan, an electric motor (110) serving to drive the fan, and associated control apparatus, namely: a sensing apparatus (140) for sensing a volumetric air flow rate (125) generated by the fan (120) and for generating a measured volumetric air... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080124227 - Maintenance tray of an oxygen machine: A maintenance tray of an oxygen machine is secured to a case of the oxygen machine and comprises a base board, a pair of handles, a pair of locators and fasteners. The base board comprises a front end and a rear end. The handles are formed at the front end... Agent: Wpat, PC Intellectual Property Attorneys

20080124228 - Rotary pump and multiple rotary pump employed thereof: A rotary pump is provided in which a drive motor is provided such that an output shaft of the drive motor is placed at an offset position, so that a rotational speed of the pump can be changed to a high or low speed. Furthermore, rigid balls or needle roller... Agent: Seed Intellectual Property Law Group PLLC

20080124229 - Radial swivel motor and process for manufacturing same: To improve the surface finish of the inner circumferential surfaces of the stator and to reduce the manufacturing effort, it is proposed that the stator with a stator housing 1 and with the stator blades 13 have a two-part design and to insert the stator blade 13 into the stator... Agent: Mcglew & Tuttle, PC

20080124230 - Rotary system for submerged pumps: The rotary system (2), object of the present invention, is composed of a motoreducer assembly, which is coupled to a rotating shaft (5), through a pulley transmission system. At the lower part of the rotating shaft (5) the submerged pump (1) will be set.... Agent: James W. Kayden Thomas, Kayden, Horstemeyer & Risley, LLP

20080124231 - Sensorless magnetic bearing type blood pump apparatus: A sensorless magnetic bearing type blood pump apparatus includes a blood pump and a control mechanism. The blood pump has electromagnets for rotating a rotating body in a non-contact condition, and a hydrodynamic bearing section for rotating the rotating body in a non-contact condition when operation of the electromagnets is... Agent: Buchanan, Ingersoll & Rooney PC

20080124234 - Fan tray assembly shaped venturi: A fan trays assembly is made of one or small number of cast or injection molded (collectively “cast”) components. Each component can be cast of plastic, metal or another material. One of the components of the fan tray includes a front wall, a back wall, two side walls, an inner... Agent: Bromberg & Sunstein LLP

20080124235 - Permanent magnet for motor, motor housing, and motor device: [Solving Means] In a motor device, an excitation magnet is formed using a hollow-cylinder shaped anisotropic bonded magnet 13. This bonded magnet 13 is press-fitted in a housing 12 and is held. The bonded magnet 13 is formed of a hollow-cylinder shaped anisotropic rare earth bonded magnet which is obtained... Agent: Mcginn Intellectual Property Law Group, PLLC

20080124232 - Serial fan assembly and connection structure thereof: A connection structure is applied to a serial fan assembly, which includes an upstream fan and a downstream fan. The upstream fan and the downstream fan have different sizes. The connection structure connects the upstream fan and the downstream fan so that the upstream fan and the downstream fan are... Agent: Birch Stewart Kolasch & Birch

20080124233 - Electric motor assisted turbocharger: A turbocharger comprises a turbine wheel and a compressor wheel mounted to a turbocharger shaft. An electric induction motor is provided for assisting rotation of the compressor wheel in predetermined circumstances. The motor comprises a fixed stator having motor field coils which generate a rotating magnetic field when energised by... Agent: Krieg Devault LLP

20080118369 - Microchip inspection system and microchip inspection system program: An objective is to provide a microchip inspection system in which an amount of driving liquid filled in a flow path between a micropump and a microchip is kept constant. Also disclosed is a microchip inspection system possessing a micropump by which driving liquid is injected into a microchip from... Agent: Cantor Colburn, LLP

20080118368 - Pump for delivering a fluid product: A pump comprising a tubular body delimiting internally a metering chamber and comprising an inlet orifice, an inlet valve, a stem mounted so as to be able to move inside the body and comprising an actuation tube delimiting an outlet duct, an insert assembled to the actuation tube and comprising... Agent: St. Onge Steward Johnston & Reens, Llc

20080118370 - Electro-hydrodynamic micro-pump and method of operating the same: Provided is an electrohydrodynamic (EHD) micro-pump and a method of operating the same. The EHD micro-pump includes a plurality of electrodes alternately disposed on a substrate, an insulating layer covering the electrodes on the substrate, a carbon nanotube (CNT) layer formed on the insulating layer, a cover that forms a... Agent: Robert E. Bushnell Suite 300

20080118371 - Servo-controlled variable geometry ejector pump: A variable geometry ejector pump is configured to receive pressurized fluid from one or more pressurized fluid sources and to control fluid pressure and temperature down stream of the pump to a variety of pressure and temperature values. The variable geometry ejector pump includes a primary inlet, a secondary inlet,... Agent: Honeywell International Inc.

20080118372 - Variable displacement vane pump: A variable displacement vane pump includes a rotor, a cam ring; and a pump casing including first and second side walls disposed on both sides of the cam ring, and a circumferential wall surrounding the cam ring and defining first and second pressure chambers. A pressure introduction groove is formed... Agent: Foley And Lardner LLP Suite 500

20080118373 - Apparatus for compressing and storing oxygen enriched gas: A multiple-stage gas compressor is disclosed by this application. The compressor has a plurality of pistons, including at least one wobble piston and at least one cylinder piston for compressing pressurized gas from the at least one wobble piston.... Agent: Calfee Halter & Griswold, LLP

20080118374 - Hermetic type compressor with suction pressure adjusting device: A hermetic type compressor that includes a sealed casing, a suction pipe, a suction muffler, a compression unit, a driving unit, and a pressure adjusting unit. The suction pipe penetrates a side of the sealed casing. The suction muffler, the compression unit, and the driving unit are within the sealed... Agent: Blank Rome LLP

20080118375 - Axially driven piston-cylinder unit: An axially driven piston-cylinder unit comprising a cylinder, a piston that can be moved back and forth in the axial direction of the cylinder, between first and second piston positions, and a drive element that can be moved back and forth in the axial direction of the cylinder and is... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080118376 - Translational displacement pump and bulk fluid re-supply system: A novel method of designing a pump by utilizing a cylinder with pistons inserted from each end. The cylinder contains two ports along the top for connection of a prime fluid chamber, a bulk fluid supply chamber and a fluid reservoir. These ports and corresponding connection details are arranged in... Agent: Brian L. Verrilli

20080118377 - Exhaust gas turbo charger: Presented is an exhaust gas turbocharger. The turbocharger includes a compressor, a turbine, a compressor wheel mounted rotatably in the compressor, a rotatably mounted turboshaft, a device for detecting the rotational speed of the turboshaft, an element for varying a magnetic field, and a turbine wheel mounted rotatably in the... Agent: Cohen, Pontani, Lieberman & Pavane

20080118378 - Metering pump for dispensing liquid: A pump for metering a liquid is disclosed comprising a flexible tube connected to a container with a pressure relief valve located in the flexible tube. A housing defines an aperture for receiving the flexible tube with a compression surface located adjacent to the aperture. A reciprocating member has a... Agent: Robert F. Frijouf, Esquire Frijouf, Rust & Pyle, P.a.

20080118379 - Fan: A fan includes an impeller rotatable about a rotation axis and having a plurality of rotating vanes, and a plurality of stationary vanes connecting an outer casing to a supporting body which supports a motor rotating the impeller. At least in a portion of each stationary vane in a radial... Agent: Volentine & Whitt Pllc

20080118380 - Fluid pump: Fluid pump (10) comprises a casing provided with a partition separating a pump chamber and a housing chamber. Impeller (43) is disposed within the pump chamber. Stator (33), semiconductor device (25), terminal (37), and sheet member (29a) are disposed within the housing chamber. Terminal (37) electrically connects the semiconductor device... Agent: Dennison, Schultz & Macdonald

20080118381 - Variable displacement vane pump and method of manufacturing the same: A variable displacement vane pump includes a first body, a second body, an adapter ring, a cam ring, and a rotor. The first body includes a cylinder portion, and a base portion covering a first longitudinal end of an inner space of the cylinder portion. The second body covers a... Agent: Foley And Lardner LLP Suite 500

20080118382 - Back pressured hydraulic pump for sucker rod: Disclosed is an apparatus comprising a hydraulic cylinder assembly, a load connected to the cylinder, a reversible hydraulic pump assembly, a pressurized supply of hydraulic fluid, first and second conduits for hydraulic fluid, and a control system. The hydraulic cylinder assembly comprises a cylinder sealed by an upper head and... Agent: John R. Casperson

20080112817 - Adjustable cycle timer control for aerators: A liquid container aeration system for replenishing gases dissolved in a selected liquid present in an interior of said liquid container that checks on an electrical power source capability to continue operation and allows selected liquid substitution in the interior of the container.... Agent: Kinney & Lange, P.a.

20080112818 - Auxiliary energy-accumulation and flow-enhancement device for hydraulic system of concrete pump: An auxiliary energy-accumulation and flow-enhancement device for a hydraulic system of a concrete pump is provided. The device includes a connection oil passage 1 having an input end P and an output end B. A check valve 11 is disposed in the oil passage between the input end P and... Agent: John Chen

20080112819 - Submersible pump apparatus and method for using same: A submersible pump apparatus comprising a housing containing all the components of the pump assembly for using the submersible pump apparatus in a body of water. A float or a plurality of floats are attached to the top side of the housing for providing a positive buoyancy to the submersible... Agent: Knechtel, Demeur & Samlan

20080112820 - Water circulation systems for ponds, lakes, and other bodies of water: Circulation systems for ponds, lakes, or other bodies of water using a flotation platform, dish, and impeller. One embodiment has a connecting arrangement between the drive motor and the impeller that permits the two to be easily and quickly coupled and uncoupled. The connecting arrangement also is designed to accommodate... Agent: Dorr, Carson & Birney, P.c. One Cherry Center

20080112821 - Impeller-drive shaft construction for a fuel pump: A fuel pump (10) supplying fuel to an internal combustion engine includes an electric motor (14), a shaft (16) driven by the motor, and a pump assembly (18) including a pumping element (20) mounted on the shaft. A fuel pump improvement includes the shaft being a multi-sided shaft with the... Agent: Polster, Lieder, Woodruff & Lucchesi

20080112822 - Compressor: A compressor which includes a piston (150) reciprocating in a cylinder bore (111) provided in a cylinder block. Length of the circumferential surface at the compression load side (160) is made to be longer than that at the anti-compression load side (170), so that area of sliding-contact surface at the... Agent: Wenderoth, Lind & Ponack L.l.p.

20080112823 - Air compressor: An inverter substrate 28 in which heat generating components 26 which make up an inverter control unit 9 are mounted on a rear surface side thereof is accommodated in a case 30 which is made of a material having a good thermal conductivity in such a manner that the heat... Agent: Drinker Biddle & Reath (dc)

20080112825 - Arrangement having a turbomachine, a cooler and a carrying frame: An arrangement has a turbomachine, a cooler, and a carrying frame that accommodates the turbomachine and the cooler, with frame segments. The cooler has at least one essentially pipe-shaped cooling element disposed horizontally, and the frame segments are disposed at a distance from one another in the longitudinal direction of... Agent: Collard & Roe, P.c.

20080112824 - Pump: In a pump having a rotor inside a pump chamber which is formed inside a case which is formed of a resin material, and a resin mold compound in which an armature is molded with resin, a metallic cover is provided on a portion of an outer surface of the... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080112826 - Top plunger adapter: There is provided a top plunger adapter assembly for use in controlling sand fouling of an oil pump system wherein the oil pump system reciprocates between upstrokes and downstrokes within a barrel, and wherein the oil pump system includes as components a sucker rod and a plunger. In one embodiment,... Agent: Weiss & Moy Pc

20080112827 - Compressor for liquid or gaseous fluids: A compressor to compress liquid or gaseous fluids comprising a cylinder with a plunger provided therein. In a first embodiment, on both sides of said plunger, respective fluid suction and compression chambers are defined. On the longitudinally opposite ends of the compressor, respective fluid suction and discharge valves are provided.... Agent: Defillo & Associates, Inc.

20080112828 - Fluidics cassette for ocular surgical system: Methods, devices, and systems for laser eye surgery generally make use of a console that interchangeably accepts multiple types of eye treatment cassettes. The cassettes enable one or both of displacement-based or vacuum-based aspiration. The console and the cassette may communicate to establish the functionality of the installed cassette by... Agent: Advanced Medical Optics, Inc.

20080112829 - Compressor for a refrigeration device: A compressor for a refrigeration device comprising a compartment, a piston which can be displaced inside the compartment, and valves which are arranged between the compartment and a suction connection or a pressure connection. The movable parts of the valves are provided with a coating that is harder than the... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080112830 - Autoclavable piston guide ring: A piston pump having a piston slidable within a cylindrical chamber, the piston carrying both a sealing flange to provide a slidable fluid impermeable seal with an inner wall of the chamber and a guide ring slidable in the chamber to assist in maintaining the sealing member coaxially within the... Agent: Riches, Mckenzie & Herbert, LLP

20080107542 - Surface to move a fluid via fringe electric fields: Macroscopic volumes of fluid can be moved across a surface, including windshields, without mechanical assistance. Insulated electrodes, which for windshields and windows are preferably transparent, are embedded in the surface of the windshield. Varying voltages are supplied to the electrodes to generate intense surface fringe electric fields moving in a... Agent: Manelli Denison & Selter Pllc

20080107543 - Compressor having a suction throttle valve: A compressor has a compression chamber formed in a cylinder block, a suction passage formed upstream of the compression chamber and a suction throttle valve formed in the suction passage for adjusting opening of the suction passage. The suction throttle valve has a valve hole and a valve seat formed... Agent: Morgan & Finnegan, L.l.p.

20080107544 - Suction throttle valve of a compressor: A suction throttle valve of a compressor has a compressor housing having a suction chamber and a crank chamber. The suction throttle valve includes a suction passage formed in the housing, a suction port provided at an inlet of the suction passage, a valve body movably arranged in the suction... Agent: Morgan & Finnegan, L.l.p.

20080107545 - Tandem pump no-load operation device: When the pressure in the main oil supply channel is lower than the no-load operation start pressure, the pressurized oil within the secondary oil supply channel passes through the internal flow channel of the spool and flows into the main oil supply channel. At this time oil output from both... Agent: Greenblum & Bernstein, P.L.C

20080107546 - Refrigerant compressor: Disclosed is a compressor for hermetically sealed small refrigeration machines. Said compressor comprises a cylinder with a cylinder housing (4) and a piston that is guided in the piston bore of the cylinder and is used for compressing a working medium, the cylinder being closed in an axial direction by... Agent: Collard & Roe, P.c.

20080107547 - Systems for cooling motors for gas compression applications: A gas compression system that includes an electric motor that drives a compressor, a gas treatment device, and a gas cooling device. The electric motor may be cooled by a circulating flow of gas that is cooled by the gas cooling device and had been treated by the gas treatment... Agent: Ge Energy General Electric C/o Ernest G. Cusick

20080107548 - Rotary reciprocating intensified hydraulic actuator: This invention relates generally to a pneumatic and hydraulic 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 work supports... Agent: Frank D. Lachenmaier Suite 200

20080107549 - Fuel pump and filter assembly: A fuel pump and filter assembly includes a housing supporting a filter in a filter chamber, which is at least partially defined by first and second end walls, an outer wall extending therebetween, and an inner side wall disposed radially inwardly of the outer side wall. A fuel pump assembly... Agent: Reising, Ethington, Barnes, Kisselle, P.c.

20080107550 - Eletric pump: A Roots pump has a driving shaft press fitted into a driving rotor, and a driven shaft press fitted into a driven shaft. A driving timing gear is located between an electric motor and the driving rotor. The driving rotor has a driving assist shaft that projects in a direction... Agent: Knoble, Yoshida & Dunleavy

20080107552 - Electric pump: A driving timing gear is located between an electric motor and a driving rotor with respect to an axial direction of a driving shaft. A first bearing is located on the same side of the driving rotor as the driving timing gear. The driving shaft has a rotor attaching end.... Agent: Knoble, Yoshida & Dunleavy

20080107551 - Submersable centrifugal magnetically affixed current changing aquarium pump: An aquarium pump including a first unit comprising a magnet in an encasement disposed against the outside panel of an aquarium or other tank, and a second, submersible unit comprising a magnet in an encasement and a motor, an impeller, and buoyant material contained within a chamber disposed against the... Agent: Michael R. Kutas

20080107553 - Method of pumping drill cuttings and pump for moving drill cuttings: A method of assembling a dual cylinder positive displacement drill cuttings pump is provided. The method includes providing a hopper including a front end, a generally open rear end with a generally barrel-shaped sidewall extending therebetween to provide a generally barrel-shaped hopper volume, and an inlet port extending through the... Agent: Thompson Hine L.l.p. Intellectual Property Group

20080101962 - Vacuum pump: A vacuum pump includes at least two stages (2, 3), a motor (8) for driving pump-active elements of the two stages (2, 3), a transmission unit (7) for transmitting driving power from the motor (8) to the pump-active elements, a motor control (9) for controlling a rotational speed of the... Agent: Abelman, Frayne & Schwab

20080101963 - Buoyancy pump device: A buoyancy pump device for use in fluid. The buoyancy pump device includes a buoyancy block housing defining a buoyancy chamber therein through which the fluid may flow. A buoyancy block is disposed within the buoyancy chamber to move axially therein in a first direction responsive to rising of the... Agent: Patton Boggs, LLP

20080101964 - Electric axial flow fan: In an axial flow fan, a line extending from a center axis and passing a corner where a following edge and a radially outer edge of a blade of an impeller meet is arranged forwardly in a rotational direction from an another corner where a leading edge of the blade... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080101965 - Piezoelectric pump and stirling refrigerator/freezer: A piezoelectric pump includes a casing formed of a plurality of metallic members welded and thus joined together, a piezoelectric element dividing an internal space of the casing into a working space and a back pressure space, and internal components formed of resin, and provided between the casing and the... Agent: Birch Stewart Kolasch & Birch

20080101966 - High efficient compact radial blower: A radial blower comprising an impeller, an electric drive and a housing. The impeller comprises an impeller disk with the first and second sides, radial blades protruded from the first side, a central hub mounting on an axle, and an inflow hub integrated with the impeller disk. The electric drive... Agent: Edward Lopatinsky

20080101967 - Rotary axial peristaltic pumps and related methods: Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface that is spaced apart from the platen surface and... Agent: Baxter Healthcare Corporation

20080101968 - Rotary axial peristaltic pumps and related methods: Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface that is spaced apart from the platen surface and... Agent: Baxter Healthcare Corporation

20080101969 - Rotary axial peristaltic pumps and related methods: Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface that is spaced apart from the platen surface and... Agent: Baxter Healthcare Corporation

20080101970 - Pumping apparatus having a varying phase relationship between reciprocating piston motions: A pumping apparatus for delivering liquid at high pressure at which compressibility of the liquid becomes noticeable. The pumping apparatus comprises a first actuator for actuating a first reciprocation piston for pumping at least a part of the fluid, a second actuator for actuating a second reciprocation piston for pumping... Agent: Agilent Technologies, Inc. Legal Department, Dl 429

20080101971 - Multicellular pump and fluid delivery device: The pump is provided with a plurality of pumping chambers and electrically activatable valves. An elastic membrane is arranged in each pumping chamber and divides the same into a first and a second chamber section. Each valve is connected to the second chamber section of a pumping chamber. When a... Agent: Richard F. Jaworski Cooper & Dunham LLP