Pumps inventions 11/08

20080292469 - Centrifugal air compressor: If the ambient temperature of a pressure volute measured by a temperature sensor exceeds 0° C., a compressor is instantly started at normal operation. If the temperature of the pressure volute measured by the temperature sensor is 0° C. or lower, there is a possibility that a rotary vane may... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080292470 - Compressor driving torque estimating apparatus: A compressor drive torque estimating device to be adapted for a system provided with a refrigeration cycle in which a refrigerant is circulated by a compressor driven by a drive source mounted in a vehicle, comprising heat load detecting means for detecting a heat load of the refrigeration cycle, a... Agent: Oliff & Berridge, PLC

20080292471 - Air compressor control: Controlling air compressors based on a temperature of air compressed by the air compressor. A temperature of air compressed by the air compressor is sensed. The sensed compressed air temperature is compared with a predetermined threshold temperature. The air compressor is deactivated when the sensed temperature exceeds the threshold temperature.... Agent: Bendix Commercial Vehicle Systems, LLC

20080292472 - Method for controlling the discharge pressure of an engine-driven pump: A system for controlling the pressure output of an engine-driven centrifugal fire pump includes a discharge pressure sensor mounted in the discharge line of the pump. A governor varies the rpms of the engine in response to pressure changes detected by the discharge pressure sensor. If the pressure in the... Agent: Panitch Schwarze Belisario & Nadel LLP

20080292473 - High-pressure pump for feeding fuel to an internal combustion engine: A high-pressure pump for feeding fuel to an internal combustion engine has a pump housing; a fuel delivery duct; and a check valve, which is arranged along the delivery duct, and comprises a fuel chamber; a valve member mobile within the fuel chamber; and a biasing and guiding assembly, which... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080292474 - Method for controlling a hydraulic machine in a control system: A method is provided for controlling a hydraulic machine in a control system when utilizing the hydraulic machine as a pump, in which an electric machine is connected in a driving manner to the hydraulic machine. The method includes detecting at least one operating parameter, determining, based on the detected... Agent: Wrb-ip LLP

20080292475 - Driving controlling apparatus for reciprocating compressor and method thereof: Driving controlling apparatus and method for a reciprocating compressor capable of stably driving a reciprocating compressor when a reciprocating compressor is operated or an output capacity of the reciprocating compressor is varied, by matching an impedance of the apparatus to an inductance of a motor, and capable of enhancing an... Agent: Birch Stewart Kolasch & Birch

20080292476 - Vacuum ejector pumps: Disclosed herein is a vacuum ejector pump. The pump is operated by compressed air which is supplied to or discharged from the pump at high speed, thus creating negative pressure in an outer surrounding space. The ejector pump includes a frame having an air inlet pipe, a disc, and an... Agent: Myers Dawes Andras & Sherman, LLP

20080292477 - Diaphragm pump: A diaphragm pump for a pumped shower waste, comprises a diaphragm housing (12), a diaphragm (34) removably held in the diaphragm housing (12), an openable cover (16) on the diaphragm housing (12) for accessing the diaphragm (34), an electric motor (14), a connecting member (40) positioned in the diaphragm housing... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20080292478 - Axial flow pump with a spiral-shaped vane: An axial flow pump (10) is presented which includes a housing (1) with an inlet (2) and outlet (3) and a magnetically active rotor (5) in the housing which is provided with a passage (6) in the interior and with at least one spiral-shaped vane (7) in the passage, wherein... Agent: Joyce Von Natzmer Pequignot + Myers LLC

20080292479 - Cooling fan: A cooling fan includes a fan housing (10) having an upper tube (111) extending downwardly from a top side thereof and a lower tube (121) extending upwardly from a bottom side thereof, a ball bearing (20) being mounted in the upper tube, a sleeve bearing (30) being mounted in the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080292480 - Electric motor: An electric motor for conveying media includes (a) a stator; (b) a rotor including a rotor magnet; and (c) a media throughput opening between the stator and the rotor. A smallest inner diameter of the stator is 1.5- to 8-times as large as a largest outer diameter of the rotor... Agent: Fay Kaplun & Marcin, LLP

20080292481 - Mastic pump: A mastic pump is provided. The mastic pump is operable to pump mastic from a container to a mastic application tool. The mastic pump includes a pump body, a piston movable within the pump body, an actuator coupled to the piston for moving the piston, and a fulcrum adjustor coupled... Agent: Michael Best & Friedrich LLP

20080292482 - Priming pump for a circuit subjecting said pump to an outlet pressure greater than an inlet pressure: The invention provides a priming pump comprising a deformable envelope associated with an inlet endpiece and an outlet endpiece each fitted with a moving valve member, the endpieces being arranged in such a manner that when the valve members are in the closed position, the outlet endpiece presents a leakage... Agent: Dykema Gossett PLLC

20080292483 - Gas volume damping device for damping discharge pulsations in a medium being pumped: The invention relates to a device for damping discharge pulsations in a medium being pumped through a system of pipes in a pulsating manner by a displacement pump that operates with a specific discharge characteristic, which device at least comprises a housing with an at least partially gas-filled damping chamber... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080286118 - Capacity modulated scroll compressor system and method: A system and method for modulating capacity of a scroll compressor having a motor includes determining a target capacity of the scroll compressor, operating the motor at a first speed when the target capacity is within a first predetermined capacity range and at a second speed when the target capacity... Agent: Harness, Dickey & Pierce, P.L.C

20080286117 - Pump with automatic deactivation mechanism: An automatic deactivation mechanism is configured for an air bladder pump having a casing and a motor located therein to pump air into an air bladder from the atmosphere and through an air valve connected through the casing. The automatic deactivation mechanism includes a housing positioned within the casing and... Agent: Brinks Hofer Gilson & Lione

20080286119 - Arrangement and method for monitoring a hydraulic system: An arrangement for monitoring a supply within a platform. A sensor is arranged to generate sample values relating to a fluid characteristic variable, wherein the fluid is fed by the supply within the platform. A processor is arranged to receive a plurality of sample values from the sensor. The processor,... Agent: Venable LLP

20080286120 - Reciprocating piston pump operating on pressure medium: The present invention relates to a reciprocating piston pump comprising: at least one cylinder with an inlet for a pressure medium; a piston slidable in the cylinder between a first and a second position, and forming a pressure chamber in the cylinder; a first valve member which is received in... Agent: Gordon & Rees LLP

20080286121 - Ejector-type rotary device: A centrifugal-type ejector machine of the invention comprises a sealed housing with a rotating rotor. The interior of the housing is filled with a liquid. The rotor has a central axial opening and is provided with a plurality of radial channels leading to the outer periphery of the rotor in... Agent: Vladimir Berger

20080286122 - Gas-driven liquid pump: A gas-driven liquid pump includes a gas source, a tank, a pumping pipe, at least one gas conveying pipe, and at least one liquid conveying pipe. The pumping pipe includes a gas input end, a liquid output end and a suction portion located between the gas input end and the... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20080286123 - Oil pump system for vehicle: An oil pump system for a vehicle includes: a vane pump having a plurality of vanes which respectively project retractably from a plurality of vane accommodating grooves provided in a rotor so as to be brought into sliding contact with a cam surface, the vane pump being adapted to supply... Agent: Mcginn Intellectual Property Law Group, PLLC

20080286124 - Pump for inflatable objects with integrated light source: A pump for inflatable objects having a housing including an air inlet and an air outlet, a motor positioned within said housing, an impeller positioned within the housing for moving air, a light source defined on an exterior of the housing; and a reflector disposed on the housing proximate the... Agent: Brinks Hofer Gilson & Lione

20080286125 - Double-headed piston type compressor: A double-headed piston type compressor connected with an external device is provided. The compressor includes a plurality of cylinder bore pairs, double-headed pistons, a first rotary valve, a second rotary valve, first suction passages, and second suction passages. In each cylinder bore pair, a first time period from a first... Agent: Knoble, Yoshida & Dunleavy

20080286126 - Utility pump: A lightweight, inexpensive, corrosion proof, utility pump having a flexible member forming a sliding interference fit with a pump rod with the flexible member confined between a pump rod bushing and an end cap to prevent leakage and a method of converting an inexpensive utility pump from a leaking condition... Agent: Jacobson & Johnson

20080286127 - Integrated acoustic damper with thin sheet insert: An exemplary noise damper for a compressor of a turbocharger includes a compressor housing comprising a cavity substantially adjacent a gas flow surface of a conduit to a compressed gas outlet of the compressor housing and an insert that spans the cavity and forms a wall of the cavity where... Agent: Honeywell Turbo Technologies

20080286128 - Combination of a generator with an air compressor: The combination of a generator with an air compressor includes an engine having; a generator, a clutch device, an air compressor and a speed accelerating/decelerating mechanism. The engine includes a throttle disposed at a side thereof. The generator includes a power-generating module, an output unit and a shell. The clutch... Agent: Kamrath & Associates P.A.

20080286129 - Helical screw compressor: The invention relates to a helical screw compressor which comprises two rotors (7, 9) having ribs (7′, 9) which extend a screw-like manner and grooves which engage with each other in a combing and sealing manner. The total number of ribs of both rotors is at least 14, and the... Agent: Michael Best & Friedrich LLP

20080286131 - 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.

20080286130 - Fan impeller: A fan impeller having fan blades, a base plate, a support ring and fasteners to releasably hold the fan blades between the base plate and the support ring. The base a plate includes channels each having two or more sockets that receive and releasably seat at least a portion of... Agent: Brooks, Cameron & Huebsch , PLLC

20080286132 - Reducing cylinder wear in a drug pump: The present invention relates to a method and related apparatus for rotating a piston of a drug pump during the pumping stroke to reduce drug pump wear. The actuator may move a piston that pumps fluid through a pumping channel. In the present invention, the armature includes one or more... Agent: Medtronic, Inc.

20080286133 - Airflow generator: The present invention provides an airflow generator, including a plate, a magnetic brake and a housing. The plate has a pivot point and a swinging end. Two magnetic poles are assembled at predefined locations on the plate nearby the pivot point. The magnetic coil is located opposite to magnetic poles... Agent: Egbert Law Offices

20080286136 - Fan housing: Embodiments of the present disclosure include a fan housing having a first part with a first side wall and a first back wall, a second part having a second side wall and a second back wall, where the first back wall and the second back wall meet to define an... Agent: Brooks, Cameron & Huebsch , PLLC

20080286134 - Submersible pumping systems and methods for deep well applications: Submersible pumping systems, devices and methods for extracting liquids in deep well applications are disclosed. In the various embodiments, a submersible pumping system includes a power supply and a power converter coupled to the power supply. A subsurface unit may be coupled to the power converter and positioned in the... Agent: Schwegman, Lundberg & Woessner, P.A.

20080286135 - Serial axial fan unit: A serial axial fan unit includes first and second axial fans and a spacer arranged therebetween and connected thereto. First and second impellers respectively provided in the first and second axial fans have a diameter in a range from approximately 25 mm to approximately 200 mm, for example. The axial... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20080279698 - Controlled magnetohydrodynamic fluidic networks and stirrers: The present invention relates to controlled, magnetohydrodynamically-driven, fluidic networks containing a plurality of individually controlled branches. The branches consist of conduits equipped with pairs of electrodes that are controlled by electrode controllers. In operation, the network is placed within a magnetic field and potentials or currents are applied across electrode... Agent: Fox Rothschild LLP

20080279699 - Feed pump: The disclosure relates to a feed pump for hydraulic media having an input and an output. A pressure-reducing element is connected to the output, at the output of the element the system pressure being present and the output being connected to a consumer, wherein the output is connected to the... Agent: Brinks Hofer Gilson & Lione/ann Arbor

20080279700 - Hydraulic drive system with neutral drift compensation: A hydraulic drive system for storing and releasing hydraulic fluid includes a high pressure storage device, a low pressure storage device, and a pump-motor operating at a range of pump-motor speeds for converting between hydraulic energy and mechanical energy. The pump-motor is disposed between the high pressure device and the... Agent: Rader, Fishman & Grauer PLLC

20080279701 - External hydraulic pump for motor vehicle transmission: This invention pertains to a motor vehicle having a standard drive train including an engine, a torque converter and a transmission, in which the hydraulic fluid required for proper operation of the torque converter and transmission is supplied by an externally mounted, electrically operated pump, with associated fluid storage tank... Agent: Dennis L. Kreps

20080279702 - Handheld vacuum suction device: A handheld vacuum suction device includes: an exterior case; a cap that includes a suction nozzle; a pressure switch unit that includes a pressure switch having a slide body configured to descend against a spring when a pressure in the cap falls below a predetermined pressure, to thereby cut off... Agent: Townsend And Townsend And Crew, LLP

20080279703 - Compressor hermetic terminal: A compressor including a shell having an aperture. A drive mechanism is disposed within the shell, and a compression mechanism is driven by the drive mechanism. A hermetic terminal assembly is provided in the aperture including a cup-shaped housing surrounded by an annular flange. The annular flange is secured to... Agent: Harness, Dickey & Pierce, P.L.C

20080279704 - Pump with rotating inlet: A device for use in a molten metal pump helps alleviate jams between a rotating rotor and stationary inlet. The device includes an inlet structure including one or more openings and a displacement structure that preferably includes one or more rotor blades. The inlet structure and displacement structure are connected... Agent: Squire Sanders & Dempsey LLP

20080279705 - Externally assisted valve for a positive displacement pump: A positive displacement pump having a valve with an actuation guide for assisting its actuation. The valve may be configured for controlling fluid communication relative to a chamber of the pump with the valve actuation guide positioned external to the chamber and configured to assist in the controlling. The valve... Agent: Schlumberger Technology Corporation David Cate

20080279706 - Valve-seat interface architecture: A pump assembly with valve-seat interface architecture configured to extend the life of pump components and the assembly. A valve of the pump assembly is equipped with a conformable valve insert that is configured with a circumferential component having the capacity to reduce the radial strain of its own deformation... Agent: Schlumberger Technology Corporation David Cate

20080279707 - High-pressure pump, in particular for a fuel injection apparatus of an internal combustion engine: The high-pressure pump has at least one pump element which has a pump plunger which is driven in a reciprocating motion and defines a pump working space into which fuel is drawn in from a fuel feed via an inlet valve during the suction stroke of the pump plunger and... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080273989 - Multi-stage gas compressing apparatus: A multi-stage gas compressing apparatus comprises a primary gas compressor and a secondary gas compressor. A gas compressed in the primary gas compressor is transferred to the secondary gas compressor in which the gas is further compressed. A detector detects upper and lower limits of discharge pressure from the secondary... Agent: Ostrolenk Faber Gerb & Soffen

20080273991 - Air cooled packaged multi-stage centrifugal compressor method: Provided is a method including routing a compressed gas from a centrifugal gas compressor through at least one of a plurality of air coolers, and directing air flow through the plurality of air coolers, wherein the plurality of air coolers are arranged adjacent to one another in a single plane... Agent: Fletcher Yoder (cameron International Corporation)

20080273990 - Two-stage hydrodynamic pump and method: A two-stage pump having an internal fluid pathway or cycle for providing cooling to various parts in the pump, such as, an electric motor in the pump, and also for lubricating at least one or a plurality of bearings in the pump. The pump utilized hydrodynamic bearings that are adapted... Agent: Matthew R. Jenkins, Esq.

20080273992 - Cavitation-deterring energy-efficient fluid pump system and method of operation: A variable nozzle area jet pump is provided having a nozzle-sealing member resiliently urged to form a sealing closure. The sealing member is part of a normally non-passing pressure control valve that recirculates excess fluid back to the inlet of a positive displacement fluid pump. The fluid is recirculated with... Agent: Cantor Colburn, LLP

20080273993 - Ejector tube of an ejector pump: An ejector tube (5) of an ejector pump has an inlet area (4), a mixing area (7) and an outlet end (8) via which the medium to be delivered exits the ejector tube (5). A conduit section (10) adjoins the outlet end (8), the conduit section (10) is connected to... Agent: Baker Botts L.L.P. Patent Department

20080273994 - Air compressor system: An air compressor includes a compressor pump, a first air tank and a second air tank. The first air tank is in fluid communication with the output of the compressor pump and the second tank. The air compressor can be operated with the second air tank physically connected to the... Agent: Brinks Hofer Gilson & Lione

20080273995 - Apparatus for inhibiting the propagation of a flame front: Apparatus is described for inhibiting the propagation of a flame front ignited by a pumping mechanism drawing a waste stream from a process chamber. A combustion chamber comprises an inlet for receiving the waste stream exhaust from the pumping mechanism and means for generating a flame for burning a flammable... Agent: Edwards Vacuum, Inc.

20080273996 - Method and device for regulating fluid pump pressures: A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance a peritoneal dialysis device, is at a... Agent: Michelle Saquet Temple

20080273997 - Diaphragm pump position control with offset valve axis: A hydraulically driven pump includes a diaphragm, a piston, a transfer chamber, a fluid reservoir, and a valve spool. The transfer chamber is defined between the diaphragm and piston and is filled with a hydraulic fluid. The fluid reservoir is in fluid communication with the transfer chamber via at least... Agent: Merchant & Gould PC