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Pumps February patent applications/inventions, industry category 02/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
02/26/2009 > patent applications in patent subcategories.

20090053071 - System and method for reducing air bubbles in a fluid delivery line: A method and pump that accurately senses air in a fluid delivery line pulses or activates and deactivates the air sensor(s) multiple times during the pumping phase of the fluid delivery cycle and can generate alarms based upon a single indication or a cumulative indication of air in the line.... Agent: Brian R. Woodworth

20090053072 - Integrated \"one pump\" control of pumping equipment: Methods and systems for improving the efficiency of a pumping process by controlling the operation of the pumps involved based on certain parameters characterizing the pump. A pump unit is coupled to a pump controller which is in turn, coupled to a pump modulator. A master controller drives the pump... Agent: John W. Wustenberg

20090053073 - Condensate pump: A condensate pump for an HVAC system includes a reservoir, a unitary top support plate, and a cover. A pump motor, an impeller pump, a float, and control electronics are mounted on the unitary top support plate. The transition from the cylindrical volute chamber to the tangential output port of... Agent: Smith, Gambrell & Russell

20090053074 - Positive displacement pump and method of use thereof: The present invention relates to positive displacement pumps, and particularly to diaphragm positive displacement pumps. An inventive diaphragm positive displacement pump is provided comprising at least one pumping chamber containing a deformable hose diaphragm, a working fluid cylinder fluidly connected to the deformable hose diaphragm, and at least one linear... Agent: Laurence C. Bonar

20090053075 - Enhanced cooling for downhole motors: A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and heat transfer fins on the motor housing. The fins increase the heat transfer area of the motor thereby providing enhanced cooling of the motor.... Agent: Bracewell & Giuliani LLP

20090053076 - Suitcase style air compressor assembly: The present invention is directed to a suitcase style air compressor assembly having an extensible handle bar assembly and a wheel assembly. When the extensible handle bar assembly is fully extended, the suitcase style air compressor assembly may be transported by utilizing the extensible handle bar assembly and the wheel... Agent: The Black & Decker Corporation

20090053077 - Flow prioritizing valve system: A flow prioritizing system includes a regulating valve and a flow prioritizing valve. The regulating valve receives a first portion of the fluid supplied from a fuel supply pump, and is responsive to a control pressure to selectively allow or prohibit flow to secondary loads. The flow prioritizing control valve... Agent: Honeywell International Inc.

20090053078 - Hydraulic control system: A hydraulic control system for controlling preferably at least two consumers, has a pump supplying the consumers with a pressure medium and having an adjustable pump capacity, an adjustable metering orifice assigned to each of the consumers, a power-beyond connection to which at least one power-beyond consumer is attachable, an... Agent: Striker, Striker & Stenby

20090053079 - Liquid discharging device: The liquid discharging device includes a driving mechanism that drives a needle, a measurement plunger member and an inlet valve members that are concentrically-arranged inside a container. The driving mechanism includes: a piezoelectric-element support plate to which piezoelectric elements are attached; a spring for biasing the piezoelectric-element support plate toward... Agent: Rankin, Hill & Clark LLP

20090053080 - Collet adapter for a motor shroud: An electrical submersible pump assembly (ESP) includes a pump section, a motor section, and a seal section. In one embodiment, an exterior of the pump section defines a gripping indentation above the pump intake. Alternatively, a clamp member may be provided that surrounds the pump, wherein the clamp member defines... Agent: Fellers Snider Blankenship Bailey & Tippens

20090053081 - Pump diaphragm: A diaphragm for use in a fluid pump comprising a disc of resilient material having a substantially dished shape. The curvature of the disc is formed from a plurality of steps.... Agent: Carter, Deluca, Farrell & Schmidt, LLP

20090053082 - Electric motor-driven compressor: An electric motor-driven compressor having a connector structure comprising a terminal connecting portion and a casing, the terminal connecting portion being provided with a hole for inserting an external terminal for power supply to an electric motor for driving a compression mechanism incorporated in a compressor housing, the casing covering... Agent: Baker Botts LLP C/o Intellectual Property Department

20090053083 - Method and device for operating an electric peristaltic hose pump: The invention relates to a method and to a device for operating an electric peristaltic hose pump, in particular a hose pump for transporting fluids in medical-technical devices, in particular extracorporeal blood treatment devices. In order to monitor the regular operation of a hose pump, the power consumption of the... Agent: Kenyon & Kenyon LLP

20090053084 - Roller pump and peristaltic tubing with atrium: A single piece of extruded peristaltic roller pump tubing may have an inside diameter and outside diameter and wall thickness that may vary from one segment to next along its length. The tube may be formed with an atrial segment having an OD that is larger than the ventricular OD.... Agent: Stetina Brunda Garred & Brucker

20090053085 - Peristalitic pump assembly and method for attaching a cassette thereto: A peristaltic pump assembly includes a housing having a cassette receiving portion defined therein, a securing shaft positioned within the cassette receiving portion, and a cassette including a tube disposed therein selectively engageable with the cassette receiving portion. A knob removably engages a portion of the securing shaft and includes... Agent: Delphi Technologies, Inc.

20090053086 - Volumetric pump with reciprocated and rotated piston: A volumetric pump (1) comprising a piston (2) and a cylindrical chamber (3), contains an inlet port (10) and an outlet port (11). Said piston (2) is actuated by a rotor (5) bearing an eccentric shaft (6). The shaft (6), being connected to the piston (2), causes said piston to... Agent: Brooks Kushman P.C.

20090053087 - plunger for a sucker rod pump: An improved plunger has a north end, a south end, and a center region therebetween. A first northward angled shoulder is provided proximate the north end, for catching solids and preventing them from damaging an exterior of the plunger below the shoulder and potentially other pump components. In one embodiment,... Agent: Weiss & Moy PC

02/19/2009 > patent applications in patent subcategories.

20090047137 - Control system for electromagnetic pumps: A control system for controlling electromagnetic pumps, such as electromagnetic driven membrane pumps, has at least one microprocessor and at least one sensor, the microprocessor controlling the power supply to at least one electromagnet whose changes in emitted magnetic field causes at least one moving part, directly or indirectly, to... Agent: Dilworth & Barrese, LLP

20090047138 - Apparatus and method for controlling operation of linear compressor: An apparatus and method for controlling an operation of a linear compressor by detecting a phase difference inflection point at a time point when a phase difference between a current and a stroke is placed within a certain region, and by recognizing the phase difference infection point as a top... Agent: Mckenna Long & Aldridge LLP

20090047139 - Method and a system for raising a liquid: A method and a device for extracting a liquid from a liquid pond, wherein in a first phase air is removed from an airtight reservoir, a venting and a rising pipe in order to create depression therein and a suck-up of the liquid in the liquid pond. In a second... Agent: Jacobson Holman PLLC

20090047140 - Airlift pump: An airlift pump comprising a hollow, cylindrical main body having an injection hole near the bottom end, a channel routed in the outside surface of the main body and running continuously from the injection hole to the top end, and an air tube seated in the channel and bonded to... Agent: Rogers Towers, P.A.

20090047141 - Variable displacement vane pump: A variable displacement vane pump includes a rotor, a swingable annular cam ring receiving therein the rotor, a pump body encasing the cam ring and rotor, and a pressure plate which is disposed between an end wall of the pump body and the rotor and which includes a backup surface... Agent: Foley And Lardner LLP Suite 500

20090047143 - Method and system for high viscosity pump: Embodiments described herein provide systems and methods for high viscosity pumps including a noncompliant filter. One embodiment can include a multi-stage pump comprising an pump inlet flow path, a pump outlet flow path, a feed stage in fluid communication with the pump inlet flow path, a dispense stage in fluid... Agent: SprinkleIPLaw Group

20090047142 - Vacuum pump unit: The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090047144 - Fluid compressor and motor vehicle refuelling apparatus: A fluid compressor 10 comprising a stator 22, having a bore shaped first chamber 26 and an annular second chamber 30, and a piston 18 comprising a central piston rod 36 having a first piston head 44 and a concentrically arranged cylindrical piston sleeve 38 having a second piston head... Agent: Law Offices Of Tim Headley

20090047145 - Variable capacity compressor: The first maximum inclination angle θ1 is a maximum inclination angle of a link member 45 allowed by a clearance between a slit 41s of a rotor 21 and one end 45a of the link member 45; the second maximum inclination angle θ2 is a maximum inclination angle of the... Agent: Foley And Lardner LLP Suite 500

20090047146 - Eccentric radial piston pump and eccentric radial piston motor: In an eccentric radial piston pump, a rib 12 protruded in a radial direction is formed on an inner peripheral surface of an end portion on a discharge side of an eccentric cam ring 3 over a prescribed range. In an eccentric radial piston motor, a rib 12 protruded in... Agent: Everest Intellectual Property Law Group

20090047147 - Variable displacement vane pump: A variable displacement vane pump includes a drive shaft; a rotor formed with slots; vanes received by the slots; a cam ring which can become eccentric and cooperates with the rotor and vanes to define pump chambers; suction and discharge ports opened to the pump chambers; a sealing member dividing... Agent: Foley And Lardner LLP Suite 500

20090047148 - Fan and bearing bracket thereof: A bearing bracket including a metal base and a bushing is provided. The metal base has an opening at its central portion. The bushing of the bearing bracket is made of plastic. The bushing encloses an axial portion or/and a radial portion of the metal base by injection molding. Furthermore,... Agent: Birch Stewart Kolasch & Birch

20090047149 - Feed pump in a motor vehicle: In an engine driven unit of a feed pump, the feed pump is accommodated in a hollow space which is enclosed radially by a rotating functional wheel of a component of the motor vehicle formed, for example, by a pulley wheel, which may be driven directly by the crankshaft of... Agent: Klaus J. Bach

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... Agent: Greer, Burns & Crain

20090047151 - Hydraulic steering transaxle and hydraulic driving vehicle: A fluid passage member includes a pump mounting surface onto which a hydraulic pump having a rotary axis is mounted; first and second kidney ports opened at the pump mounting surface; a first fluid extraction port outwardly opened and connected to the first kidney port; a motor mounting surface onto... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090047152 - Swing type fan: A swing type fan including a frame, a motor, at least one blade, at least one first magnetic element and at least one second magnetic element is provided. The motor is fixed to the frame and has a shaft passing through the frame. The blade is disposed between the shaft... Agent: J C Patents, Inc.

20090047153 - Hybrid hydraulic-electric ram pumping unit with downstroke energy recovery: A hybrid hydraulic-electric pumping unit (12) with downstroke energy recovery is disclosed which is operated in a conventional flow mode to supply hydraulic fluid to a hydraulic ram (26), and then is operated in a reverse flow mode to receive the hydraulic fluid from the hydraulic ram (26) and turn... Agent: Mark W. Handley

20090047154 - Linear compressor: The present invention discloses a linear compressor which can rapidly overcome load and improve compression efficiency, by synchronizing an operation frequency of a linear motor with a natural frequency of a movable member varied by the load and varying a stroke of the movable member according to the load. The... Agent: Birch Stewart Kolasch & Birch

20090047155 - Multi-axis type fans driven by magnetic force and power transmission system for the same: The present invention relates to a multi-axis type fans driven by magnetic force and its power transmission system for the same, wherein said power transmission system comprises a power source provided with a spindle, at least two driven shafts in different directions, and a magnetic transmission assembly located between each... Agent: Joe Mckinney Muncy

20090047158 - Self-cooling back-connect driver motor assembly: A self-cooling back-connect driver motor assembly includes a motor, a centrifugal fan and a driver. The motor includes a motor body and a spindle pivotally connected to the motor body and having its front and rear ends protruded from the motor body. The centrifugal fan is installed at a distal... Agent: Hdsl

20090047157 - Dual zone flow choke for downhole motors: A submersible pumping system for use downhole, wherein the system includes a pump, an inlet section for receiving fluid, a pump motor, and an actively controlled flow restriction device for controlling flow to the submersible pump from an upper fluid producing zone. Active flow control proximate to the submersible pump... Agent: Bracewell & Giuliani LLP

20090047156 - Insulated bearings for downhole motors: A submersible pumping system for use downhole, wherein the system includes a pump, a pump motor, a seal section, a shaft coupling the pump motor to the pump, a bearing assembly for axially retaining the shaft in place, and an electrical insulator for electrically isolating the pump bearing assembly from... Agent: Bracewell & Giuliani LLP

20090047159 - Multi-stage gas compressing apparatus: A compressed gas compressed by the first gas compressor is further compressed by the second gas compressor. The compressed gas from the first gas compressor is sent to a crank case of the second gas compressor in which the gas is further compressed. The gas is sent to a cylinder... Agent: Joel D. Skinner, Jr. Skinner And Associates

02/12/2009 > patent applications in patent subcategories.

20090041588 - Active valve system for positive displacement pump: An active valve system may be used to improve operation of the suction valve(s) of a positive displacement pump. As appropriate, the active valve system may apply a force to the suction valve directed to open and/or close the suction valve. By quickening the opening and/or closing of the suction... Agent: John W. Wustenberg

20090041589 - Oil-injected compressor with a temperature switch: An oil-injected compressor, with an oil circuit for lubrication, and an oil separating device which is used to separate the oil from the compressed air. A self-resetting temperature switch, which is used to switch off the compressor unit when the maximum temperature limit of the incoming compressed air is reached,... Agent: Barnes & Thornburg LLP

20090041590 - Apparatus, system, and method for electrochemical pump-based chromatography separations in microfabricated devices: Rapid microchip LC analysis with integrated electrolysis-based pumping is achieved with a monolithic microfluidic chip. A pressure-balanced sample injection approach allows introduction of pL-range sample volumes without valves or other components that are difficult to integrate in microdevices. The approach also eliminates dead volume between injection and separation. On-chip LC... Agent: Kunzler & Mckenzie

20090041591 - Fluid powered motor or pump: A low pressure fluid powered motor or pump comprises a non-rotatable cover (k); an undulating lobe cam track (e) attached to the cover (k) and defining multiple crests and troughs; a rotatable cylinder block (c); at least three reciprocable pistons (d) each housed within a bore of the cylinder block... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20090041592 - Pump: A pump has a body and a pressurizing barrel. The body has an outlet tube and a magnetic check valve mounted in the outlet tube to prevent a back-flow current from damaging an impeller mounted inside the body. When closed, the magnetic check valve actuates a magnetic switch to signal... Agent: Kamrath & Associates, P.A.

20090041593 - Variable displacement type gear pump: A variable displacement type gear pump has gear chambers, one of which is a specific gear chamber. A suction passage is formed in the housing so as to communicate with suction-side spaces. An outlet passage communicates with discharge-side spaces. A return passage returns the fluid discharged to the discharge-side space... Agent: Woodcock Washburn LLP

20090041594 - Variable displacement type gear pump: In a variable displacement type gear pump, each of a main gear pump portion and a sub gear pump portion has a drive gear, a driven gear engaging with the drive gear, and an urging portion applying radial load to the drive and driven gears. A bypass passage returns fluid... Agent: Woodcock Washburn LLP

20090041595 - Extracorporeal blood pump with disposable pump head portion having magnetically levitated impeller: A pump drive unit has an openable housing that accommodates a disposable impeller unit which is pre-connected with tubing, while maintaining the tight tolerances and close spacing. A levitation system (magnets and sensors), drive motor and drive magnets, and control electronics are all re-usable and housed within relatively permanent structures.... Agent: Terumo Cardiovascular Systems Corporation Attn: Gael Diane Tisack

20090041596 - Downhole electric driven pump unit: A downhole electric driven pump unit for oil production comprises a submersible electric motor (1), a driven oil pump (2), a working plunger pump (4), an oil tank (7) provided with a secondary oil filter (8), an oil volume expansion compensator (9) and a hydraulic engine (10). Above-piston and under-piston... Agent: Patenttm.us

20090041597 - Combined seal head and pump intake for electrical submersible pump: An electrical submersible well pump assembly has a motor containing a dielectric lubricant. A seal section is mounted to the motor for reducing pressure differential between the lubricant in the motor and the well bore fluid. The seal section has a head on an end opposite the motor. A pump... Agent: Bracewell & Giuliani LLP

20090041598 - Electric compressor: An inverter-integrated or an inverter-separated electric compressor has a control device. The control device estimates a compressor suction pressure based on the temperature of the power element of the inverter, or directly measures the compressor suction pressure by a sensor, or estimates the compressor suction pressure based on a compressor... Agent: Baker Botts LLP C/o Intellectual Property Department

20090041599 - Electro-hydraulic actuator mounting: An electro-hydraulic actuator includes a hydraulic pump, an electric motor operatively connected to the hydraulic pump and operable for driving the pump, an actuator moveable in response to fluid flow from the pump, and a housing for the pump, electric motor and actuator. The housing has a base member that... Agent: Parker-hannifin Corporation Hunter Molnar Baker Morgan

20090041600 - Bracketless magnetic pump: A fluid pump assembly is used in combination with a container having a wall. The pump assembly comprises a first casing disposed outside the container in contact with the wall, a first magnetic assembly mounted to the first casing and operatively associated with a drive motor, a second casing disposed... Agent: Berenato, White & Stavish, LLC

20090041601 - Cooling fan: A cooling fan includes a fan housing (10) having a central tube (11) extending upwardly therefrom, a bearing (20) received in the central tube, a stator (40) mounted around the central tube, a rotor (30) having a shaft (37) extending into the bearing, and a magnetic ring (38) being fixedly... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

02/05/2009 > patent applications in patent subcategories.

20090035151 - Vacuum pump self-diagnosis method, vacuum pump self-diagnosis system, and vacuum pump central monitoring system: There are provided a vacuum pump self-diagnosis method, a vacuum pump self-diagnosis system, a vacuum pump central monitoring system capable of making self-diagnosis of a dry vacuum pump. A vacuum pump self-diagnosis method decides the occurrence of failure and generates an alarm when a predetermined alarm set value is exceeded... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090035152 - Fluid pump with disposable component: A pump having a disposable fluid contacting portion which defines a fluid inlet and outlet and a fluid path there between is presented. The pump includes a drive portion configured to engage the disposable portion to cause fluid to be moved from the fluid inlet to the fluid outlet. The... Agent: Obi Iloputaife

20090035153 - Jet pump retention and seal method with living hinge: A fuel supply unit includes a fuel reservoir (22) for holding fuel. A fuel pump (18) is in the reservoir for pumping fuel from the reservoir. A jet pump assembly (16) is within the reservoir for drawing fuel from a fuel tank into the reservoir. A seal structure (24) has... Agent: Manelli Denison & Selter PLLC

20090035154 - Serial fan module and frame structure thereof: A serial fan module includes a first fan, a second fan and a plurality of guide elements which are disposed between the first fan and the second fan. The first fan has a first frame body and a first impeller. The second fan has a second frame body and a... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090035155 - Axial piston motor: An axial piston motor, particularly an air-conditioning compressor for motor vehicles, including at least one piston with an essentially cylindrical piston skirt and with a wrap-around element, which wraps around a swivel ring or a swash plate and a piston slipper that slides on this swivel ring or this swash... Agent: Davidson, Davidson & Kappel, LLC

20090035156 - Control valve for variable displacement compressor: [Means for Solving Problems] The discharge pressure Pd of the compressor introduced into a pressure sensing section (40) applies urging force to a movement member (50), and a solenoid section (36) applies, in cooperation with the urging force, urging force to the movement member (50) depending on an input signal.... Agent: Hayes Soloway P.C.

20090035157 - Vacuum pump incorporating safety device and manufacturing method thereof: A safety device for a vacuum pump, arranged to be associated with a duct putting the interior of the casing of the vacuum pump in communication with the outside environment, The safety device comprises a breakable member (3), which breaks when subjected to a pressure, which is at least equal... Agent: Varian Inc. Legal Department

20090035158 - Cooling fan: A cooling fan includes a fan housing (10) having a central tube (18) extending upwardly therein. A sleeve bearing (40) is received in the central tube. A stator (20) is mounted around the central tube. A rotor (30) has a shaft (36) being rotatably received in the sleeve bearing. The... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090035159 - Thrust and intake chamber for pump: A pump end assembly has a centrifugal pump and a motor separated by a chamber. The chamber contains a thrust bearing as well as an intake for the pump. Fluid flowing into the intake flows through the thrust chamber and to the inlet of the pump. Some of the fluid... Agent: Bracewell & Giuliani LLP

20090035160 - Hermetic compressor and refrigeration cycle device having the same: A hermetic compressor and a refrigeration cycle device having the same are provided. An oil separator is installed either outside or inside of a casing to separate oil from a discharged refrigerant and an oil pump driven by a driving force of a motor is used to recollect the oil... Agent: Birch Stewart Kolasch & Birch

20090035161 - Pump assembly: A pump unit is provided having a wet-running electric motor, wherein a rotor of the pump unit can be driven by the electric motor at a maximum speed of greater than 20,000 rev/min, and the rotor is sealed off axially in the region of a suction port.... Agent: Panitch Schwarze Belisario & Nadel LLP

20090035162 - Cooling fan: A cooling fan includes a fan housing (10) having a central tube (14) extending upwardly therefrom, a bearing (30) received in the central tube, a stator (40) mounted around the central tube, and a rotor (20). The rotor includes a hub (22), a magnet (28) adhered to the hub, and... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090035163 - Reciprocating diaphragm pump: A reciprocating pump (1) comprises a plurality of reciprocating pistons (2a, 2b, 2c) extending along respective longitudinal axes (X-X) parallel to each other and lying in a plane (Φ), a plurality of pumping work chambers (5a, 5b, 5c), and a plurality of diaphragms (7a, 7b, 7c), each arranged in a... Agent: Kalow & Springut LLP

20090035164 - Volumetric fluidics pump: A pump for moving a fluid through a fluidics system includes a surface and channel disposed along at least a portion of the surface. The pump also includes a driving mechanism having a rotatable shaft and a plurality of haptics operably coupled to the shaft. A closed portion is formed... Agent: Advanced Medical Optics, Inc.

20090035165 - Addressable multi-channel peristaltic pump: The present invention provides an addressable multi-channel peristaltic pump. According to the invention, this pump design allows for selection and operation of one or more pump heads on a drive shaft, while locking other non-selected pump heads in a stationary position. It is possible to operate the multi-channel pump using... Agent: Agilent Techologies Inc

Previous industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices


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