Pumps inventions 03/07

20070071609 - Digital pump with multiple outlets: A pump system for coupling a positive displacement pump capable of supplying flow sequentially to a number of different volumes at different pressures. In some embodiments the pump output is coupled to multiple volumes that may be at the same or different pressures. The output of the pump is cycled... Agent: Blakely Sokoloff Taylor & Zafman

20070071610 - Method for controlling the drive motor of a positive displacement vaccum pump: Method for controlling a drive motor of a positive displacement vacuum pump A method for controlling a drive motor of a positive displacement vacuum pump comprises the following method steps: storing a curve (32) indicating a respective speed value n of the drive motor for inlet pressure values p, wherein... Agent: Fay Sharpe LLP

20070071611 - Apparatus for increasing efficiency in fluid delivery systems using magnetic fields: An apparatus for subjecting fluid moving through a fluid delivery line to a magnetic field is provided. The apparatus comprises a plurality of magnets, magnet holders, and encapsulating structures, which together increase the magnetic force capable of being applied to the fluid delivery line due to the properties of the... Agent: Henry Law Firm

20070071612 - Electric submersible pumps: A method of pumping wellbore fluid, comprising the steps of: installing an electric submersible pump in a wellbore; and operating the pump at more than 4,500 rpm to pump the wellbore fluid. Pumping in this manner provides a number of advantages in use in that the required high-speed motor and... Agent: Patterson & Sheridan, L.L.P.

20070071613 - Phase change on demand integrated pressure pump and power plant: A portable pressure-driven fluid pump and integrated power supply that relies on high pressure without the use of stored high pressure gases or liquids. A material transitions through a phase change in a constant volume container so that the pressure in the container increases. Programmability and sequential actuation are enabled... Agent: Smith Hopen, Pa

20070071614 - Fluid pump having plunger and method of monoblock casting for housing of the same: A fluid pump includes a plunger that is movable to pressurize fluid drawn from an inlet into a compression chamber. The plunger is substantially axially movable in a cylinder. Fluid pressurized in the compression chamber is discharged through an outlet. The inlet and the outlet define a fluid passage therebetween.... Agent: Nixon & Vanderhye, PC

20070071615 - Diaphragm pump: A diaphragm pump is provided. The diaphragm includes an upper housing, a diaphragm, and a lower housing. Recessed parts are formed in the surfaces of the upper and lower housings that face the diaphragm to define an upper pump chamber and a lower pump chamber above and below the diaphragm.... Agent: Brinks Hofer Gilson & Lione

20070071616 - Segmented driven-magnet assemblies for pumps, and pumps comprising same: Driven-magnet assemblies are disclosed for use in magnetically actuated pumps such as gear pumps. An exemplary assembly includes a magnet-flux-ring assembly and a molded body. The magnet-flux-ring assembly includes a flux ring having inner and outer surfaces that are concentric around an axis, and multiple magnet segments at respective radial... Agent: Klarquist Sparkman, LLP

20070071618 - Cabinet cooling fan: An electric fan core having a generally rectilinear shape, a positive pressure side, and a vacuum side is disclosed. A fan bracket attached to the positive pressure side of the electric fan core and offset from the fan core thereby defining a gap between the fan core and the fan... Agent: Howison & Arnott, L.l.p

20070071617 - Drain pump for home appliances: Drain pump for home appliances that comprises a motor (2) with a turning shaft (3), an impeller (4) connected to said turning shaft (3), and a hydraulic body (5) in which said impeller is housed (4), said hydraulic body (5) comprising an inlet conduit (6) and an outlet conduit (7).... Agent: Keith Kline The Kline Law Firm

20070071619 - Fill port for a self-priming centrifugal pump, with safety device: A safety cover for the fill port of a self-primer pump is structured to improve the seal between the fill port cover and the fill port in the pump casing to thereby control the release of steam from the pump, and includes an improved sealing band between the fill port... Agent: Morriss O'bryant Compagni, P.C.

20070071622 - Fuel pump assembly: A fuel pump assembly for use in an engine comprising a pumping plunger which is reciprocable, in use, under the influence of an associated drive arrangement so as to cause pressurisation of fuel within a pumping chamber. The drive arrangement includes a shoe and a roller which is cooperable with... Agent: Delphi Technologies, Inc.

20070071620 - High-pressure pump, in particular for a fuel injection device of an internal combustion engine: A high-pressure pump has at least one pump element including a pump piston defining a work chamber and driven at least indirectly by a drive shaft in a reciprocating motion, counter to the force of a restoring spring. The pump piston is braced on the drive shaft at least indirectly... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070071621 - Plunger driving structure: An oil pump comprises a rotation shaft having an eccentric part, a needle roller bearing supporting the eccentric part of the rotation shaft, a tappet abutting on the outer ring of the needle roller bearing and arranged in a radial manner, a plunger arranged on the tappet and reciprocated by... Agent: Clark & Brody

20070071623 - Pump structure easily and quickly connectable with an air cushion or a bladder: A pump structure easily and quickly connectable with an air cushion or a bladder. The pump structure includes a flexible main body defining a cavity. The main body is compressible and decompressible to reciprocally contract and expand the cavity for pumping a fluid. A one-way valve is mounted on a... Agent: Bruce H. Troxell

20070071624 - Hurricane emergency pump: A pumping device for extracting water directly from a functionally disabled domestic water distribution system using a two stroke pump. The pump body is an elongated tube having a reciprocating piston therein and two diametrically opposed lateral extended open ports and each port containing a backflow valve. The backflow valves... Agent: Willard Brewer Jr.

20070065293 - Panel comprising a locking system: The invention relates to a panel (1, 2) comprising a quadrangular panel portion of coated wood material wherein mutually opposite edges of the panel (1, 2) have mutually complementary positively locking profiles (3, 4) so that similar panels (1, 2) can be assembled, wherein the surface of at least one... Agent: Whiteford, Taylor & Preston, LLP Attn: Gregory M Stone

20070065294 - Vacuum pump system: A vacuum pump system includes a vacuum pump with a brushless, multi-phase, synchronous motor with a permanently magnetically excited rotor, and a pump type recognition element, a control unit for controlling the vacuum pump and having a drive microcontroller and a final stage, and a further microcontroller that monitors a... Agent: Abelman, Frayne & Schwab

20070065295 - Preparation of getter surfaces using caustic chemicals: A technique for manufacturing a device that includes a deposit of getter material on a support involves treating the support on which the getter material is formed with a caustic fluid. An aspect of the technique is that it may clean and/or chemically activate the getter material without substantial damage... Agent: Perkins Coie LLP

20070065296 - Method of operating a vehicle electric motor: In a method of operating an electric motor which drives an auxiliary oil pump for supplying a hydraulic pressure of an ATF to a transmission, only at an idle stop of an engine via a rotation shaft pivotally supported by ball bearings, the electric motor is rotated at a very... Agent: Jordan And Hamburg LLP

20070065297 - Measurement device: The invention provides a method for determining the angular position of a pump shaft relative to a pump body. The method comprises: providing the pump shaft with a first locating feature; providing the pump shaft with a second locating feature; providing a measurement device provided with a measurement member; engaging... Agent: Delphi Technologies, Inc.

20070065298 - Liquid ring pump: A liquid ring pump comprises a first housing part that radially encloses two or more working chambers in which a rotatably mounted impeller is disposed in an eccentric manner, second and third housing parts that seal both sides of the first housing part and the pump, ducts or chambers for... Agent: Alix Yale & Ristas LLP

20070065299 - Compressor: The present invention relates to a compressor, which has ribs for directly supporting a part of a valve plate in a suction chamber of a housing, thereby preventing a noise caused by vibration of the valve plate during the strike of a suction reed valve.... Agent: Fulbright & Jaworski, LLP

20070065300 - Multi-stage compression system including variable speed motors: A multi-stage fluid compression system includes a first centrifugal compressor stage having a first inlet and a first outlet and a second centrifugal compressor stage having a second inlet and a second outlet. The second inlet receives a flow of compressed fluid from the first outlet. A first variable-speed motor... Agent: Michael Best & Friedrich, LLP

20070065301 - System and method for providing oxygen: A home care oxygen system includes an inline compressor that has all the check valves and gas flow passages between cylinders located in the cylinder head. Only a single check valve is used for each cylinder. The crankshaft is built up from a shaft with eccentrics and spacers.... Agent: Calfee Halter & Griswold, LLP

20070065302 - System and method for operating a compressor: A compressor that compresses a fluid during a compression stroke to pressurize the fluid includes an inlet adapted to intake the fluid at an inlet pressure. An inlet valve is coupled to the inlet and adapted to employ a valve closing time during the compression stroke. The compressor further includes... Agent: Patrick S. Yoder Fletcher Yoder

20070065303 - Reciprocating piston compressor having improved noise attenuation: A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap and the cylinder head of the compressor. The... Agent: Baker & Daniels LLP 111 E. Wayne Street

20070065305 - Diaphragm pump for the transport of liquids: A diaphragm pump for conveying liquids for application in a sterile environment includes passageways for conduction of a liquid, and check valves for controlling a flow of liquid through the passageways. The diaphragm pump is constructed in such a way that all surfaces of the passageways in contact with the... Agent: Henry M. Feiereisen Henry M. Feiereisen, LLC

20070065304 - Pump assembly, suppression apparatus for use with a pump, and method of controlling a pump assembly: A pump assembly comprising an apparatus for reducing process noise manifest in a piping system. The invention introduces a pump pulse to counteract a negative dip in pressure when the reciprocating pump is at the completion of each pump stroke.... Agent: Michael Best & Friedrich, LLP

20070065306 - Compressor: A compressor comprises, in a container body, an electric element, and a compressive element driven by the electric element. An oil storage is provided in the bottom, and an oil pump is provided to suck up oil from the oil storage. The oil pump includes a cylinder fixed to a... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070065307 - Compressor: A compressor comprises an oil storage provided in the bottom of a container body. An oil cup is fixed in communication with the oil storage. An oil pump is attached to the lower end of a shaft and inserted into the oil cup. A rotation inhibitor is provided including a... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070065309 - Diaphragm pump: A diaphragm pump is provided. The diaphragm pump comprises an upper and lower housing, a pump chamber plate, a pair of pump chambers, and a diaphragm that separates the pair of pump chambers. First and second suction-side check valves are disposed between the pair of pump chambers and a suction... Agent: Brinks Hofer Gilson & Lione

20070065310 - Diaphragm pump: A diaphragm pump is provided. The diaphragm pump comprises a housing that comprises a concave portion, a suction port and a discharge port; a diaphragm; a first and second pump chamber; and a suction-side check valve and a discharge-side check valve. The suction-side and discharge-side check valves are more distant... Agent: Brinks Hofer Gilson & Lione

20070065308 - Diaphragm pump and cooling system with the diaphragm pump: A diaphragm pump enabling an increase in pump efficiency by reducing the pressure loss of liquid and reduction in thickness. The flow passage in piezoelectric pump (1) includes a pressure chamber (50) formed into a flat shape in cross section and a suction side flow passage (70a) and discharge side... Agent: Sughrue Mion, PLLC

20070065311 - Air compressor having changeable structure: An air compressor includes a piston slidably received in a cylinder housing, and a motor coupled to the piston for moving the piston relative to the cylinder housing in a reciprocating action, in order to generate pressurized air. A cover is detachably secured on top of the cylinder housing, and... Agent: Charles E. Baxley, Esq.

20070065312 - Pump assembly for chilled beverage dispenser: A pump assembly for a chilled beverage dispenser includes an axle oriented in a substantially vertical orientation at a predetermined location along a bottom wall surface of the dispenser bowl; an impeller which rotates about an axis defined by the axle; an inner pump shell that fits over the axle... Agent: Stites & Harbison, PLLC

20070065315 - Fluid pump having bearing hold: A fluid pump includes a stationary part. A rotator is rotatable around the inner circumferential periphery of the stationary part. One of the stationary part and the rotator includes at least one coil that generates magnetic force between the stationary part and the rotator for rotating the rotator when being... Agent: Nixon & Vanderhye, PC

20070065314 - Fluid pump having housing: A fluid pump includes coils that generate magnetic poles in the inner circumferential periphery of the stator core when being supplied with electricity. The magnetic poles are switched by controlling electricity supplied to the coils. The outer circumferential periphery of the rotator defines magnetic poles different from each other with... Agent: Nixon & Vanderhye, PC

20070065313 - Fuel pump: The invention relates to a pump module (2) comprising a housing part (4) with precisely determined force introduction points (25) in relation to adjacent components. Supporting elements (24, 27) and a groove (26) are located between the force introduction points (25) and a disc element (20) that comprises a partially... Agent: Mayer, Brown, Rowe & Maw LLP

20070065317 - Air blower for a motor-driven compressor: A fluid compression system includes a compressor, an electric motor including a stator and a rotor positioned adjacent to the stator, and a shaft coupled to the rotor to support the rotor for rotation and having a drive end and a non-drive end. A plurality of flow-inducing elements are integrally-formed... Agent: Michael Best & Friedrich, LLP

20070065318 - Fuel feed unit: A fuel pump unit comprising a housing part (4) arranged between an electric motor (2) and a fuel pump (3). The housing part is provided with expansion joints for compensating thermal expansions or swelling of the material of the housing part (4). The gap between the impeller (6) and the... Agent: Mayer, Brown, Rowe & Maw LLP

20070065316 - Pump for ponds, aquariums, and similar facilities: A pump for ponds, aquariums or similar facilities has a synchronous motor arranged within a motor housing. The motor has a permanent-magnet rotor and a stator, wherein the rotor is separated from the stator by an inner wall of the motor housing. A housing part is provided that forms a... Agent: Gudrun E. Huckett Draudt

20070065319 - Device for controlled delivery of an injectable liquid: A device for the controlled delivery of an injectable liquid from a liquid container, wherein a flexible force transferor transfers the drive force of a drive wheel onto a piston which can be slid axially in the device, a permanently acting restoring force of a spiral spring is applied to... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070065320 - Fluid pump with enhanced seal: The invention concerns a fluid pump with a cylinder, piston and check valve for compressing the fluid having a high-pressure seal for precluding leakage of pressurized fluid. Any leakage from the high-pressure seal feeds back into an inlet area of the pump and recycles through the pump instead of leaking... Agent: Larson And Larson

20070065321 - Elastomeric reciprocating compressor valve spring: An elastomeric storage device for use in a gas compressor valve is provided. Reciprocating gas compressor valves use these storage devices to control the closing of a valve sealing element.... Agent: Carol M. Nielsen Winstead Sechrest & Minick, P.C.

20070065323 - Structure for holding fixing screws: In a fastening portion for fastening an upper retaining portion and a lower retaining portion by means of a mounting screw, the upper retaining portion has a screw hole and a cylindrical guide formed around and above the screw hole. Further, a projection is formed on the inner wall of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070065322 - Thermal expansion chambers for airtight containers: A hydraulic pump has a rotor and a hollow housing with a main interior chamber. The rotor is rotatably mounted in the main interior chamber. A smaller interior chamber is separated from the main interior chamber such that the smaller interior chamber retains gas therein when the main interior chamber... Agent: Norman M. Cameron

20070059183 - Control valve for clutch type variable displacement compressor: A control valve for a clutch type variable displacement compressor includes a liquid-discharge passage for connecting a second port in communication with a control-pressure chamber of the compressor to a third port in communication with the suction-pressure region of the compressor. Opening and closing the liquid-discharge passage are controlled by... Agent: Morgan & Finnnegan, L.L.P.

20070059184 - Flow optical analysis for peristaltic and other rotary pumps: A peristaltic pump design with single or dual feed tubes each engaged by a peristaltic rotor with rollers bearing against the feed tubes to compress and release them, the feed tube(s) being coupled to a junction with a single outlet fitting, and an integral optical system exposed inside the junction... Agent: Ober / Kaler A Professional Corporation

20070059185 - Device for the performance adaptation of a liquid ring pump: For a device (4) for the performance adaptation of a liquid ring pump, said liquid ring pump (1) comprising a cylindrical workspace (6) for conveying a conveyed fluid (15) between an intake socket (16a) and a pressure socket (18a). The device (4) comprises a control unit (28), control line (22)... Agent: Barnes & Thornburg LLP

20070059186 - Pneumatic compressor: A pneumatic compressor capable of supplying compressed gas to a pneumatic tool. The compressor can be powered alternatively by either a battery or an AC power source. The compressor comprises a permanent magnet DC electric motor and circuitry for converting the AC power source to DC power. The compressor includes... Agent: Hunton & Williams LLP Intellectual Property Department

20070059187 - Oil and vacuum pumps group for a motor vehicle engine: An oil and vacuum pumps group (1) for a motor vehicle engine includes a motion transmission shaft (30) extending along a main axis X-X, an oil pump (10) and a vacuum pump (20) fitted on the motion transmission shaft and a gear (40) also fitted on the motion transmission shaft... Agent: Sughrue Mion, PLLC

20070059188 - Aerodynamically enhanced bearing housing pocket geometry: A turbocharger unit having an aerodynamically enhanced pocket, comprising a turbine having a turbine housing and a turbine wheel connected to a shaft along with a compressor having a compressor housing and a compressor wheel mounted on the same shaft. There is an intermediate housing disposed between the turbine housing... Agent: Patent Docket Administrator Borgwarner Inc.

20070059189 - Hermetic compressor and manufacturing method of suction muffler: This relates to a hermetic compressor and a manufacturing method of a suction muffler, and discloses a technique for making energy efficiency higher and reducing noise. According to that technique, in a suction muffler 140 having a sound attenuation space 143, by foam-molding a wall 147, such as an opposite... Agent: Stevens, Davis, Miller & Mosher, LLP

20070059190 - Automobile compressor piston: A piston, used in a vehicle air-compressor or a vehicle suspension system, can be dismantled by a dismantling tool so that cost for a repair is reduced while components are replaced instead of the whole piston.... Agent: Troxell Law Office PLLC

20070053780 - Improved design of integrated electro-hydraulic power unit: An electro-hydraulic power unit with an improved hydraulic fluid flow through the unit. The unit accomplishes the improved fluid flow by having an inlet port in a housing that is fluidly connected to an electric motor that has a rotor with vanes cast thereon and at least one opening within... Agent: Zarley Law Firm P.L.C

20070053781 - Pump with electrodynamically supported impeller: An apparatus includes a rotor, a stator, and a plurality of magnets forming bearing poles coupled to a selected one of the stator or the rotor. The apparatus further includes a plurality of shorted coils coupled to the other of the stator and the rotor. The plurality of bearing poles... Agent: Davis & Associates

20070048145 - Vacuum evacuation device and method, and substrate processing apparatus and method: A vacuum evacuation device 2 of the invention comprises a vacuum pump 4,5 for exhausting a gas G2 in a process chamber 21 into which a process gas G1 is introduced and in which a process reaction is performed, to form a vacuum in said process chamber 21; and a... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070048146 - Dynamic fluid device: The dynamic fluid device has a first pumping arrangement and second pumping arrangement arranged in parallel with each other to pump a pressurised fluid to user devices; at least a distributor member interposed amongst said first pumping arrangement, second pumping arrangement and said user devices and connected to them with... Agent: Collard & Roe, P.C.

20070048147 - Dry operating screw-type compressor with pneumatically controlled air relief valve: A screw-type compressor having a motor driven and dry operating compressor unit. A butterfly valve is disposed in an intake line connected to the suction side of the compressor unit. An adjustment cylinder mechanically shifts the butterfly valve. A pressure line is connected to the pressure side of the compressor... Agent: Robert W. Becker & Associates

20070048148 - Pump and liquid supply apparatus having the pump: To provide a pump comprising an impeller which sucks and discharges liquid, a motor unit which drives the impeller, a parting plate which is disposed between the impeller and the motor unit and which partitions the impeller and the motor unit, a case formed with a pump chamber in which... Agent: Greenblum & Bernstein, P.L.C

20070048149 - Oil suction pump: An oil suction pump has an air outlet normally closed by a valve controlled via a compression spring, and the valve may be pushed backward by flowing air to open the air outlet. Therefore, the oil suction pump may be connected to an air compressor or to a manual air... Agent: Troxell Law Office PLLC Suite 1404

20070048151 - Closed electric compressor: The invention has an object to reduce a manufacturing cost of a closed electric compressor for discharging a carbon dioxide refrigerant into a sealed container by manufacturing at a low cost a high pressure resistant terminal used in the compressor. In a rotary compressor as the closed electric compressor including... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070048150 - Drive axle having an electrical converter: A drive axle for a working machine, in particular an industrial truck, has at least one electrical traction motor (1 or 2) and a second electrical machine, the traction motor (1 or 2) being arranged in the axial direction. In order to extend the field of use of the drive... Agent: The Webb Law Firm, P.C.

20070048152 - High pressure solar powered pump: A solar powered pump assembly delivers high pressure liquid in relatively small volumes. The assembly includes a d.c. motor powered by the solar panel having a gearmotor output shaft driving a multilobe cam which acts against a lever which in turn acts against a follower assembly to reciprocate an input... Agent: G. Turner Moller, Jr.

20070048153 - Thin and foldable fluid pump carried under user's clothes: This invention presents three kinds of conceptual models of fluid pump with similar innovation, to design thin and small compartments and laterally link all compartments with flexible means so that the whole fluid pump is thin and flexible. The first one uses the concept of spiral peristaltic pump. The rollers... Agent: Showway Yeh

20070048154 - Mems cooling device: A preferred embodiment of the MEMS cooling device of the invention comprises one or more MEMS micro-channel volumes in communication with one or more MEMS micro-pump assemblies wherein each micro-pump assembly is comprised of a flexure valve, such as a leaf valve and means to drive a coolant through the... Agent: W. Eric Boyd, Esq. Irvine Sensors Corporation

20070048155 - Fluid transportation system: A fluid transportation system includes: a micropump provided with a chamber and a diaphragm driven by an actuator; fluid communication sections communicating with both ends of the chamber of the micropump; a pressure absorbing section that is provided at least one of the fluid communication sections so as to absorb... Agent: Sidley Austin LLP

20070048156 - Piston assembly of cooler: There is provided a piston assembly configured to include: a hollow cylinder-shaped magnet sleeve having a magnet(s) bonded on external circumferential surface thereof; a hollow cylinder-shaped piston inserted into a hollow space of the magnet sleeve; and a hollow disc-shaped ring fixed to the piston by a shrink fitting process,... Agent: Birch Stewart Kolasch & Birch

20070048159 - Blower mounting assembly: A gas delivery system comprising an external housing, a flow generator, and a vibration damper body. The flow generator is disposed in the external housing, and has a flow generator housing with a peripheral surface and a lower surface. The vibration damper body is disposed within the external housing and... Agent: Michael W. Haas Respironics, Inc.

20070048158 - Low profile pump: Pumps with low profile disk-type motors can incorporate an impeller into one or both rotors. Alternately, a separate impeller can be attached to a rotor. The pumps can be contained in housings without seals as the rotors need not be mechanically attached.... Agent: Welsh & Katz, Ltd

20070048157 - Submersible pump with integrated liquid level sensing and control system: In accordance with one embodiment of the present invention, there is provided a submersible pump that includes a pump housing forming a main compartment for receiving a pump impeller and having liquid entrance and exit openings in said main compartment, and an impeller mounted in the main compartment. The pump... Agent: Jenkens & Gilchrist, P.C.

20070048160 - Heat activated nanometer-scale pump: A pump is provided that includes a nanometer-scale beam that is suspended in a housing. The housing may include a number of apertures such that molecules can move in and out of the housing. The nanometer-scale beam may be suspended as a jump rope or as a cantilever. The movement... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070048161 - 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: Robert D. Buyan Stout, Uxa, Buyan & Mullins, LLP