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Pumps September class, title,number 09/09

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.
09/24/2009 > patent applications in patent subcategories.

20090238696 - Traveling control apparatus for hydraulic traveling vehicle: A rotational speed pickup 71 (traveling speed detection means), a hydraulic pressure sensor 72 (traveling operation detection means), a hydraulic pressure sensor 73 (drive status detection means), and a voltage sensor 74 (transmission shift position detection means) detect parameters regarding the traveling state of a hydraulic traveling vehicle. A control... Agent: Mattingly & Malur, P.C.

20090238697 - Double-headed piston type compressor: A mechanism for drawing in refrigerant to front compression chambers (28a) of a double-headed piston type compressor differs from a mechanism for drawing in refrigerant to rear compression chambers (29a). More specifically, the mechanism for drawing in refrigerant to the front compression chambers (28a) include suction valves (18a) configured by... Agent: Morgan & Finnegan Transition Team C/o Locke Lord Bissell & Liddell

20090238698 - Reciprocal compressor: A reciprocal compressor comprises a rotation shaft, a motion converter for converting rotation to reciprocal motion, pistons driven by the rotation shaft through the motion converter to move reciprocally, a cylinder block provided with cylinder bores in which the pistons are inserted and a center bore in which one end... Agent: Baker Botts LLP C/o Intellectual Property Department

20090238699 - Control valve assembly for a compressor unloader: A closing element is for a valve assembly of a compressor unloader, the compressor including a casing with a compression chamber, the unloader including a housing defining a chamber. The valve assembly has a base between the compression and unloader chambers, a passage connecting the two chambers, a seat about... Agent: Haynes And Boone, LLPIPSection

20090238700 - Equipment for continuous regulation of the flow rate of reciprocating compressors: Equipment for continuous regulation of the flow rate for a reciprocating compressor, provided with at least one compression chamber (1) in which is slidably inserted a piston means (101) movable with a reciprocating motion, at least one inlet valve (2) for the fluid to be compressed and at least one... Agent: Stites & Harbison PLLC

20090238701 - Compressor having a piston received on a gas bearing: A compressor includes a working chamber in which a piston for compressing a gas can be displaced, a piston disposed in the working chamber, an inlet connection communicated with the working chamber, the inlet connection guiding a gas to the working chamber; an outlet connection communicated with the working chamber,... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20090238702 - Food storage bag vacuum pump: A vacuum pump comprises a casing having a bottom forming an aperture therein and a chamber slidably coupled within the casing. The chamber has a bottom forming an aperture therein. The vacuum pump further comprises a piston slidably coupled within the chamber. The piston includes an upper portion generally parallel... Agent: Pactiv Corporation C/o Nixon Peabody LLP

09/17/2009 > patent applications in patent subcategories.

20090232662 - Method for estimating pump efficiency: The present invention provides highly accurate methods for directly calculating pump fillage which avoid the need and expense of a pump dynamometer card and subsequent calculations.... Agent: Patterson & Sheridan, L.L.P.

20090232663 - Compressor-expander set critical speed avoidance: A control method and apparatus for critical rotational speed avoidance in a compressor-expander set in a gas refrigeration system. By varying an opening of an antisurge or recycle valve, a shaft power used by the compressor in the compressor-expander set may be varied, thereby varying the rotational speed of the... Agent: Sturm & Fix LLP

20090232664 - Permanent magnet motor for subsea pump drive: A subsea pump drive employs a permanent magnet (PM) motor to drive a subsea pump. The PM motor rotor in one embodiment is canned with a non-magnetic material such as inconel that can provide a desired level of corrosion protection. The PM motor provides a subsea pump drive that is... Agent: General Electric Company Global Research

20090232665 - Ejector: An ejector includes a nozzle for decompressing a fluid in any one state of a gas-liquid state, a liquid state and a super-critical state, and a body portion having a fluid suction port and a mixing and pressurizing portion. The ejector is provided with a suction passage through which a... Agent: Harness, Dickey & Pierce, P.L.C

20090232666 - Linear compressor: The present invention discloses a linear compressor in which a piston is driven by a linear motor and linearly reciprocated inside a cylinder to suck, compress and discharge refrigerants. Even though load is varied, the linear compressor performs the operation in a resonance state by estimating a natural frequency of... Agent: Birch Stewart Kolasch & Birch

20090232667 - Axial compressor: This invention relates to fluid compression and fluid transfer mechanisms for an axial fluid displacement apparatus. More particularly, it relates to a configuration of a bearing supported wobble plate plus intake and discharge valve mechanisms for a reciprocating piston wobble plate-type refrigerant compressor suitable for use with high pressure CO2... Agent: Knechtel, Demeur & Samlan

20090232668 - Vehicle including compressed air consuming devices and a method of operating the same: A vehicle, such as a lorry or a bus, includes compressed air consuming devices and a power driven compressor to deliver compressed air to at least one storage tank. A control device controls the operation of the compressor so as to maintain the air pressure in the tank at a... Agent: Wrb-ip LLP

20090232670 - Compressor muffler: A compressor muffler (100) for a refrigeration system is provided with an array of Helmholtz resonators (130, 230, 330) formed along an inner surface of a muffler chamber (110) of the muffler.... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20090232671 - Discharging noise system of a hermetic compressor: The present invention relates to a discharging noise system of a hermetic compressor. The present invention includes a first discharging noise suppressor (39) provided at one side end of a cylinder block 35 to firstly reduce noise and pulsation of work fluid compressed in and discharged from a compressing chamber... Agent: Mckenna Long & Aldridge LLP

20090232669 - Refrigerant compressor: A refrigerant compressor including a discharge valve system, which is configured in such a manner that the discharge valve system includes recess (124) having discharge hole (125) which communicates with a compression chamber of a cylinder and opening on the bottom surface, a discharge reed (130) for covering discharge hole... Agent: Wenderoth, Lind & Ponack L.L.P.

20090232672 - Refrigerating compressor and refrigerating device using the same: A refrigerating compressor includes a hermetic container accommodating oil, a motor accommodated in the container, a compressing unit provided under the motor and driven by the motor, and a vibration insulating wall. The compressing unit has a crankshaft, a cylinder block, a piston, a connecting rod and a feed oil... Agent: Ratnerprestia

20090232674 - Engine starter assembly: A pressure washer, connected to a water source by a hose, includes a frame, an engine supported by the frame and having a crankshaft, a pump driven by the engine, a wheel supported for rotation relative to the frame, an input configured to receive water from the hose and discharge... Agent: Michael Best & Friedrich LLP

20090232673 - Method and device for controlling the oil supply of an automatic gearbox and a starting element: A method and a device for controlling the oil supply of an automatic transmission (gearbox) and to a starting element. The method can guarantee a sufficient supply of oil to a hydraulic control unit of the automatic transmission and/or the starting element, in particular an oil-cooled friction clutch, both during... Agent: Davis & Bujold, P.l.l.c.

20090232675 - Wet-running pump: A wet-running pump comprises a rotor which is connected to a pump wheel and which is arranged in a wet area adapted to have a guided fluid passed therethrough. The wet area is separated from a dry area wherein a stator which cooperates with the rotor, is arranged. The wet... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20090232676 - Single stage dual-entry centrifugal compressor, radial turbine gas generator: A compact, single shaft gas turbine gas generator uses a high pressure ratio dual-entry single stage centrifugal compressor, can combustors, and a radial inflow turbine with the compressor configured to achieve an overall pressure ratio of about 12:1 or greater and Mach Numbers less than or equal to about 1.4.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090232678 - Heat dissipation fan: An exemplary heat dissipation fan includes a fan housing 10, a bearing assembly 20, a stator 30 and a rotor 40. The fan housing includes a base 12 and a central tube 14 extending upwardly from the base. The bearing assembly includes a bearing 23 received in the central tube,... Agent: PCe Industry, Inc. Att. Steven Reiss

20090232677 - Method of producing a mini fan and a mini fan produced according to said method: The invention relates to a method of producing a mini-fan that has a fan wheel equipped with fan blades (80) and an electric drive motor (61). The latter has an internal stator (90) and an external rotor (62). The rotor has a supporting part (64) made of plastic and is... Agent: Oliver Intellectual Property LLC

20090232679 - Compressor: A compressor includes a closed container and a compression element welded together at least three, preferably six, welding points. A suction tube for sucking refrigerant gas is attached to the closed container. A first direction and a second direction that are associated with a natural vibration mode of the suction... Agent: GlobalIPCounselors, LLP

20090232685 - Fluid conveyance device: A fluid conveyance device includes a substrate, and a disk-shaped piezoelectric element arranged in a bendable manner on the substrate. A plurality of substantially circular concentric segment electrodes are provided on the piezoelectric element, and are provided with voltages with phases that are shifted. A wavy ring deformation is thus... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090232682 - Piezoelectric micro-blower: A piezoelectric micro-blower capable of efficiently conveying compressive fluid without use of a check valve and ensuring a sufficient flow rate. The micro-blower has a blower body with a first wall and a second wall. Openings are formed in the respective walls and face a center of a diaphragm. An... Agent: Dickstein Shapiro LLP

20090232683 - Piezoelectric micro-blower: A piezoelectric micro-blower capable of efficiently conveying compressive fluid without use of a check valve and ensuring a sufficient flow rate. The micro-blower has a blower body with a first wall and a second wall. Openings are formed in the respective walls and face a center of a diaphragm. An... Agent: Dickstein Shapiro LLP

20090232684 - Piezoelectric micro-blower: A blower body is provided with a first wall and a second wall, and openings are provided in the walls at positions facing the approximate center of a diaphragm. An inflow passage that allows the openings to communicate with the outside is arranged between the two walls. When the diaphragm... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090232680 - Piezoelectric-driven diaphragm pump: A piezoelectric-driven diaphragm pump is comprised of a driving unit (1) having a driving diaphragm (12) and a first housing (11), a replaceable driven unit (2) having a driven film (241) and a second housing (21), and a fixing unit (3) for fixing the driven unit (2) to the driving... Agent: Greenblum & Bernstein, P.L.C

20090232681 - Ultrasonic piezoelectric pump: Disclosed is an ultrasonic piezoelectric pump in which a piezoelectric pump is integrated with a fluid pipe without a check valve so that the structure can be simplified. The pump includes a fluid pipe having a hollow part formed therein to permit a fluid to flow from a fluid source,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090232686 - Integrated catalyst: The invention relates to an air compressor having a catalyst that is disposed in a reception block. The reception block is interposed between a valve block and a cylinder cover, comprises an inlet port in the region of a valve block outlet port, and an outlet port in the region... Agent: Mccarter & English, LLP Hartford Cityplace I

09/10/2009 > patent applications in patent subcategories.

20090226328 - Remote data monitor for heart pump system: A pump control system includes a controller module for controlling a pump, such as an implantable blood pump. A remote monitor is adapted to communicate with the controller module via a wireless communications medium, such as a low-power radio s frequency link. The remote monitor provides a user interface similar... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090226329 - Condensate pump: A condensate pump that provides a ventilation system that efficiently expels warm air surrounding a pump motor is disclosed. The pump has a motor-driven fan, a cover that encloses the fan, and a ventilation opening that allows for air to enter through the cover. The cover has an exhaust opening... Agent: Marshall, Gerstein & Borun LLP

20090226330 - Artificial lift structures: This invention demonstrates an improved method of constructing an artificial lift device for deep wells, in which the deadload of the pump mechanism is supported by a continuously-controlled gas spring. The reciprocating motion is produced by a very unusual form of linear motor using a plurality of radially disposed conducting... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20090226332 - Pump with linear actuator: A pump includes a housing with a pumping chamber, first and second check valves, and an inlet and an outlet in fluid communication with the pumping chamber through the check valves. The housing also includes a linear actuator with a pumping element located in the pumping chamber wherein actuation of... Agent: Van Dyke, Gardner, Linn & Burkhart, LLP

20090226331 - Wave energy accumulator: A fluid pressurization unit compresses a fluid in response to natural wave action on a body of water such as an ocean. The unit comprises a floating component and a piston assembly. The floating component has sufficient buoyancy to float on water waves and has a compression chamber with an... Agent: Seed Intellectual Property Law Group PLLC

20090226333 - Air compressor featuring a convenient operation: An air compressor featuring a convenient operation includes a compressor body, an air storage cylinder connected to a moving wheel rack for moving the air storage cylinder by a handle, a connecting pipe with a pipe seat are installed in on the moving wheel rack, and a n-shaped handle rack,... Agent: Rabin & Berdo, PC

20090226334 - Fan, motor and oil sealing structure thereof: An oil sealing structure of a motor includes a cover and at least one sealing element. The motor has a shaft, a fluid bearing and a bushing. The fluid bearing mounts to the shaft and is accommodated in the bushing. The cover is disposed around the shaft and is connected... Agent: Birch Stewart Kolasch & Birch

20090226335 - Submersible pump capable of providing low voltage power supply: A submersible pump capable of providing low voltage power supply comprises a pump body and a filter cover connected to the pump body; a stator containing cavity and a rotor containing cavity is provided in the pump body; the outside of the rotor containing cavity is provided with an impeller... Agent: Troxell Law Office PLLC

09/03/2009 > patent applications in patent subcategories.

20090220350 - Method and apparatus for controlling a hydraulic system of a work machine: A method for controlling a hydraulic system includes receiving an operator command signal via an operator command input device; receiving a throttle position signal from a throttle; retrieving from a memory a first predetermined correlation between the operator command signal and a corresponding command flow rate; retrieving from the memory... Agent: Taylor & Aust, P.C.

20090220351 - Fan controller and image forming apparatus: A fan controller and an image forming apparatus are provided. The fan controller includes a rotational frequency instructing unit configured to output driving instructions to a fan driving unit that is configured to control a rotational frequency of a fan, the driving instructions including a target value of the rotational... Agent: Banner & Witcoff, Ltd. Attorneys For Client No. 016689

20090220352 - Method and device for monitoring and controlling a hydraulic actuated process: A method and system for monitoring and controlling a hydraulic pump condition. More specifically, the invention relates to a method and device for monitoring and controlling a hydraulic actuated process indirectly by monitoring and controlling an electric motor driving a positive displacement hydraulic pump. This invention also relates to a... Agent: Frommer Lawrence & Haug

20090220353 - Axial piston compressor: Axial piston compressor, especially a compressor for motor vehicle air-conditioning systems, having at least one piston and having a tilt plate, especially a ring-shaped tilt plate, which is variable in terms of its inclination with respect to a drive shaft and which is driven in rotation by the drive shaft... Agent: Andrus, Sceales, Starke & Sawall, LLP

20090220354 - Swash plate compressor: The swash plate compressor according to the invention comprises an release passage for communication between a crank chamber and a suction chamber. The release passage includes a first passage communicated to an oil rich region, in which lubricating oil is large in quantity, in the crank chamber, and a second... Agent: Morgan & Finnegan Transition Team C/o Locke Lord Bissell & Liddell

20090220355 - Swash plate compressor: With the swash plate compressor of the invention, an oil guide groove, an oil guide hole, a first hole, an outflow hole, a valve hole, a communication port, a receiving chamber, a throttle hole, and a second hole constitute a release passage. The oil guide groove, the oil guide hole,... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090220356 - Swash plate type variable displacement compressor: A swash plate type variable displacement compressor includes a crank chamber, a rotary shaft, a swash plate, a piston, a supply passage and first and second bleed passages. The supply passage connecting the crank chamber to a discharge pressure region is provided with a displacement control valve. The pressure in... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090220357 - Multistage compressor: The invention relates to a multistage compressor for providing high-pressure gas in filling stations, said compressor consisting of a high-pressure compressor and a multistage booster compressor (W). Both compressors comprise membrane pump chambers which are controlled by camshafts. The booster compressor (VV) can contain a plurality of stages (S1, S2,... Agent: Renner Otto Boisselle & Sklar, LLP

20090220358 - Unequal length alternating hydraulic cylinder drive system for continuous material output flow with equal material output pressure: A hydraulic pumping system is provided for delivering a compressible fluid material from a hopper to an outlet. A primary hydraulically driven pumping unit has a first interior volume for receiving the fluid material from the hopper. A secondary hydraulically driven pumping unit is interconnected with the primary hydraulically driven... Agent: Andrus, Sceales, Starke & Sawall, LLP

20090220359 - Compressor assembly: A compressor assembly includes a support plate and a plurality of components mounted on the support plate via mechanical connections. The plurality of components includes at least a drive and a compressor for compressing air, the compressor being driven by the drive. The assembly also includes at least one line... Agent: Barnes & Thornburg LLP

20090220360 - Cooling fan: A cooling fan (1) includes a fan housing (10), a stator (20), a rotor (30) and a bearing assembly (40). A tube (111) extends upwardly from a central portion of the fan housing. The stator is mounted around the tube. The bearing assembly includes a ball bearing (333) and a... Agent: PCe Industry, Inc. Att. Steven Reiss

20090220362 - Compressor unit: The invention relates to a compressor unit, in particular for underwater operation, comprising a compressor with a compressor rotor which has one or more compressor stages, and also comprising an electric motor with a stator and a motor rotor, and comprising a gastight housing which is provided with an inlet... Agent: Siemens Corporation Intellectual Property Department

20090220361 - Cooling of stator for compressor: Arrangement for cooling a compressor comprising a housing (Ia, Ib) with an inlet (13) and an outlet (14) and enclosing in its volume (12) a stator including stator winding (2) and stator iron (3) of an electric motor, which drives a rotor (9) with a shaft (6). The invention is... Agent: Schwegman, Lundberg & Woessner, P.A.

20090220363 - Piston pump for a vehicle brake system with a sealing element: The invention relates to a piston pump for a vehicle braking system, with a housing section and a piston, which is guided in the housing section in a slidable manner. An accommodating member for accommodating an intake valve is provided in the housing section, and a sealing element adjoins the... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090220364 - Reciprocating-piston compressor having non-contact gap seal: A reciprocating-piston compressor having at least two working cylinders arranged in series, along a cylinder axis is described. The compressor includes a piston in each of the cylinders, guided in an axially movable manner, and a common axially actuated piston rod of the pistons, extending through a passage opening in... Agent: Crowell & Moring LLP Intellectual Property Group

20090220365 - Discharge valve assembly for linear compressor: The present invention discloses a discharge valve assembly for a linear compressor, comprising: a discharge valve installed at one end of the cylinder to be opened and closed, a compression space for compressing a sucked refrigerant by linear reciprocation of a piston being formed in one end of the cylinder,... Agent: Mckenna Long & Aldridge LLP

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


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