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Pumps May archived by USPTO category 05/10

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.
05/27/2010 > patent applications in patent subcategories.

20100129232 - Float device for a sewage pump: A float device for a sewage pump is a controlling switch to actuate or stop the sewage pump, wherein the sewage pump is mounted on a bottom inside a sewage tank to process waste. The float device floats along with the arising of liquid level in the sewage tank so... Agent: Kamrath & Associates P.A.

20100129233 - Swash plate type compressor: The present invention relates to a compressor, wherein a rotary shaft 140 having a swash plate 144 coupled thereto is used to linearly reciprocate a piston 150 in a cylinder bore 134 formed in front and rear cylinder blocks 130 and 130′. The rotary shaft 140 has a flow channel... Agent: Birch Stewart Kolasch & Birch

20100129234 - Shock damper for outlet pipe of diaphragm pump: The present invention provides a shock damper for outlet pipe of diaphragm pump comprising a shock damper pod including an intake jointer, an outtake jointer, a stroke cavity and a cap receptacle, a damping block, a damping elastomer and a damper cap. After screwing the intake jointer into the water... Agent: Bacon & Thomas, PLLC

20100129235 - Anti-vibration structure for cooling fan: An anti-vibration structure for cooling fan includes a frame, a hub assembly, and an anti-vibration unit. The frame includes at least a first, a second, a third, and a fourth sidewall. Any of the four sidewalls is connected at two opposite ends to respective one end of two adjacent sidewalls,... Agent: Nikolai & Mersereau, P.A.

20100129236 - Automatic transmission: An automatic transmission includes a starting apparatus having a housing that rotates based on torque of a driving source, and a clutch mechanism portion positioned in the housing; an oil pump that is positioned on a side opposite to the driving source with respect to the starting apparatus in a... Agent: Oliff & Berridge, PLC

20100129237 - Fluid pump system: A fluid pump system comprises an electrical drive unit and a rotary pump comprising a rotatable shaft and a drive element formed from a number of impellers attached to the shaft for causing flow within a process fluid. The electrical drive unit comprises an electrical stator and an electrical rotor... Agent: Merchant & Gould PC

20100129238 - Inverter-integrated electric compressor and coil component for inverter thereof: An inverter-integrated electric compressor capable of achieving improved ease of installation of a coil component constituting an inverter and increased strength and reduced cost of an insulating member, as well as a coil component for the inverter, are provided. In an inverter-integrated electric compressor, an inverter-accommodating section is disposed on... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100129239 - Fully submerged integrated electric oil pump: A submersible electric pump includes a housing adapted to be submerged within a fluid to be pumped having apertures extending therethrough. An electric motor stator is positioned within the housing in communication with the apertures and is adapted to be in contact with the fluid. Inner and outer pump rotors... Agent: Magna International, Inc.

20100129240 - Hermetically sealed scroll compressor: In the hermetically sealed scroll compressor, an injection pipe for injecting a fluid to a compression chamber is connected to an injecting port of a fixed scroll. The injecting port includes a first injecting port which is provided in the vicinity of a fixed scroll inner curve and injects the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100129241 - Fluid pump: A pump for pumping a fluid is disclosed. The pump comprises an inlet, an outlet, an internal volume disposed between said inlet and said outlet, a first pumping arrangement operable to pump a first volume of fluid from the inlet means into the internal volume, and a second pumping arrangement... Agent: Delphi Technologies, Inc Legal Staff - M/c 483-400-402

20100129243 - Blower, housing and wind wheel thereof: Blower, including a housing having a cavity, a wind wheel, a motor, an air inlet, and an air outlet. The housing and the wind wheel are made of steel plates, enamel materials are coated on surfaces of the steel plates, the wind wheel is disposed in the cavity of the... Agent: Matthias Scholl

20100129242 - Brushless motor and fan unit: [Means to Solve Problems] A stator core 35 includes a core back 352 of a substantially annular shape. At a radially outer end portion of the core back 352 four teeth 351 are arranged radially. At the teeth 351, a coil 371 is formed by winding a magnet wire 37... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100129245 - Floating pinion bearing for a reciprocating pump: A reciprocating pump assembly includes a power frame that houses a crankshaft. The crankshaft is mechanically connected to a large gear or bull gear on each end that is in mechanical engagement with a small gear or pinion bearing. A bearing housing is integrally formed as part of the power... Agent: Bracewell & Giuliani LLP

20100129246 - Fluid pump assembly: A fluid pump assembly comprising a driven cam and a reciprocating member reciprocal within a bore provided in a pump housing as the cam is driven, in use, to cause pressurisation of fluid within a pump chamber. The pump assembly further comprises an interface between the cam and the reciprocating... Agent: Delphi Technologies, Inc Legal Staff - M/c 483-400-402

20100129244 - Hermetic compressor: A hermetic compressor includes a shaft having a connecting section formed between an eccentric shaft portion and a countershaft portion, the connecting section provided with an axial length sufficient for shifting a large end hole of a connecting rod to a position coaxial with the eccentric shaft portion. The shaft... Agent: Pearne & Gordon LLP

20100129247 - Peristaltic hose pump: The present invention shows a hose roller pump comprising a stator, a rotor and a rotor drive, wherein the rotor includes hose rollers whose position is variable in the radial direction via an adjustment apparatus having an adjustment element and wherein a brake device is provided and the radial position... Agent: Jacobson Holman PLLC

20100129248 - Tube loading assembly for peristaltic pump: A spring mounted tube pressing member for peristaltic pumps allows loading and unloading of an elastic tube section between the tube pressing member and a continuously revolving rotor assembly by selectively moving between a locked position for fluid transfer and an open position for unhindered mounting and demounting of the... Agent: Pai Patent & Trademark Law Firm

20100129249 - Frame for fluid machines: Herein described is a frame (10) for a fluid machine of the reciprocating type. The frame (10) bears one or more cylinders (12) moving inside each of which, with a reciprocating movement, is a piston operated by a crankshaft (14). The frame (10) is made up of one or more... Agent: Hedman & Costigan P.C.

20100129250 - Auxiliary energy-accumulation and flow-enhancement device for hydraulic system of concrete pump: An auxiliary energy-accumulation and flow-enhancement device for a hydraulic system of a concrete pump is provided. The device includes a connection oil passage 1 having an input end P and an output end B. A check valve 11 is disposed in the oil passage between the input end P and... Agent: John Chen

20100129251 - Compressor: A compressor that allows a discharge port to assume a large circumference and a large area at an exit end thereof so as to optimize the discharge resistance and the pressure-receiving area and assuring improved volumetric efficiency through reduced dead volume, includes a discharge port 5b, an entrance end of... Agent: Rader Fishman & Grauer PLLC

05/20/2010 > patent applications in patent subcategories.

20100124509 - Reciprocating gas compressor with speed modulation of compressor driver for pulsation avoidance: A method for reducing pulsation in a gas compressor system. The compressor driver (engine or motor) is operated at a modulated engine speed. The average of the modulated speed is selected to achieve a desired pipeline flow. The modulation characteristics are determined to optimally reduce the pulsation response of the... Agent: Baker Botts L.L.P. Patent Department

20100124510 - Fan, motor and bushing thereof: A fan includes a frame, a motor, a hub and several blades surrounding around the hub. The frame includes a motor base, and the motor is disposed on the motor base and inside of the frame. The motor includes a bushing, a bearing, a shaft and at least one silicon... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100124511 - Wear-resistant plunger rod: A wear-resistant plunger rod incorporated in a pump of a paint spraying units comprises: a rod (1) and a connecting unit (2) integrally formed. Said connecting unit (2) is disposed on another end of the rod (1) and connected to a transmission device of a pump of a liquid dispersing... Agent: Sally Chang

05/13/2010 > patent applications in patent subcategories.

20100119378 - Rotary compressor: A rotary compressor includes a compression mechanism, an electric motor and a controller. The compression mechanism includes a piston and a cylinder having two cylinder chambers. The electric motor is configured to change volumes of the cylinder chambers by eccentrically moving the cylinder and the piston relative to each other.... Agent: GlobalIPCounselors, LLP

20100119379 - Pump stand: A vacuum pump stand (1) for generating and regulating the vacuum intended for a rotary vaporizer, including a control device having a control connection to a control unit (4) having at least one control element (3, 6). In the pump stand (1), the control unit (4) is designed as a... Agent: Volpe And Koenig, P.C.

20100119380 - Subsea pumping system: A technique is provided for pumping fluid in subsea applications. A self-contained pumping module is created by mounting a pumping unit on a skid that can be lowered to a sea floor. The skid comprises a support structure designed to hold the pumping unit in a desired orientation, such as... Agent: Schlumberger Reservoir Completions

20100119381 - Subsea pumping system: A technique is provided for pumping fluid in subsea applications, such as booster pumping applications. A self-contained pumping module has a pump and a motor mounted on a skid. The self-contained pumping module also includes electrical connections by which electrical power can be provided to the motor and hydraulic connections... Agent: Schlumberger Reservoir Completions

20100119382 - Subsea pumping system with interchangable pumping units: A technique is provided for pumping fluid in subsea applications. A self-contained pumping module is created by mounting one or more removable pumping units on a skid that can be lowered to a sea floor. Each removable pumping unit comprises an electric submersible pumping system enclosed by an outer housing.... Agent: Schlumberger Reservoir Completions

20100119383 - Pump unit comprising a main pump and a charge pump with a variable pump capacity: The invention relates to a pump unit (1) with a main pump (4) and a charging pump (5) with a variable pump capacity. A lifting ring (23) is provided for varying the capacity of the charging pump (5). A regulating power, which depends on the inlet pressure of the main... Agent: Michael J. Striker

20100119384 - Portable air compressor assembly and associated method: An air compressor assembly includes a base assembly including a first air cylinder and a second air cylinder each to store compressed air therein. The assembly further includes a first rearward handle and a second rearward handle each being attached to a rearward end portion of the base assembly. The... Agent: Maginot, Moore & Beck, LLP Chase Tower

20100119385 - Serial axial fan: A serial axial fan preferably includes a first impeller and a second impeller each having a plurality of blades radially extending with a predetermined rotation axis as the center, a first motor portion, a second motor portion, a first housing, and a second housing. The first motor portion has a... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20100119386 - Motor control system: A control system for a fan includes a control housing that is external to a fan housing for the fan. At least one fan control module is within the control housing and communicates remotely with terminals within the fan housing via at least one wire. The at least one fan... Agent: Harness, Dickey & Pierce P.L.C

20100119387 - Device for supplying fuel: c

20100119388 - Coolant compressor: The invention relates to a refrigerant compressor having a compressor housing in which a cylinder housing (26) (FIGS. 15, 16) and an electric motor (5) (FIGS. 1, 2) are fastened to one another, the electric motor comprising a stator (6) provided with a stator bore (13) (FIGS. 5, 8), the... Agent: Collard & Roe, P.C.

20100119391 - Centrifugal pump comprising a spiral housing: The invention relates to a centrifugal pump comprising a spiral housing consisting of a first housing part and a second housing part, the latter being tubular and delimited in a region facing away from the inlet E of the inflowing medium in order to receive the rotor in its interior... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100119389 - Modular, brushless motors and applications thereof: A modular brushless motor may be reconfigured for different applications and power levels. As one example, a modular fan enables the drive motor, the number of blades, or both, to be factory adjusted to accommodate different power and air-flow requirements. A brushless ring motor comprises a circular ferromagnetic ring having... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20100119390 - Permanent magnet motor, hermetic compressor, and fan motor: An object is to provide a permanent magnet motor that highly reduces torque fluctuation, thereby reducing noise and vibration. The permanent magnet motor may be formed as follows: a length D of a permanent magnet 8 in a longitudinal direction is the same as or longer than a width A... Agent: Buchanan, Ingersoll & Rooney PC

20100119392 - Reciprocating pump: The structure is improved so that a bearing is disposed in a place other than pump shafts, thereby improving the smoothness of the slide movement of a moving body which is a large structure, and the durability of slide supporting means (bearings or the like) for it. In a reciprocating... Agent: Bacon & Thomas, PLLC

20100119393 - Hydraulic pump assembly: A hydraulic pump assembly including a fluid reservoir, a body defining a fluid inlet and a fluid outlet, the fluid inlet being in fluid communication with the fluid reservoir, and a radially opposed piston pump assembly at least partially housed within the body and including a first piston pump mechanism... Agent: Delphi Technologies, Inc Legal Staff - M/c 483-400-402

20100119394 - Cylinder piston arrangement for a fluid pump or a fluid motor: The invention relates to a cylinder piston arrangement for an especially volumetric fluid pump or a fluid motor, preferably comprising at least one axial expansion tubular membrane piston defining at least one inner pulsating working chamber. A particular field of application for such pumps or motors is the operation thereof... Agent: Pearl Cohen Zedek Latzer, LLP

20100119395 - Valve assembly for fuel pump: A valve assembly for use in a fuel pump comprises a body member with a valve aperture, a valve member movable within the body member and adapted to close the valve aperture, and a biasing arrangement having a first part fixed with respect to one of the body member and... Agent: Delphi Technologies, Inc Legal Staff - M/c 483-400-402

05/06/2010 > patent applications in patent subcategories.

20100111705 - Refrigerant compressor: A refrigerant compressor is provided that can be assembled easily and can quickly discharge lubricating oil that leaks from contact sliding parts of its mechanical seal so as to prevent the oil from turning into sludge around the stationary ring. In a refrigerant compressor in which a mechanical seal which... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100111708 - Fluid ejection system, fluid ejection system drive method, and surgical apparatus: A fluid ejection system includes: a pulsation generation section which, including a fluid chamber, a diaphragm which changes a volume of the fluid chamber, and a piezoelectric element which drives the diaphragm, pulsatively ejects a fluid from a nozzle; and a control apparatus including a pressure generation section which supplies... Agent: Oliff & Berridge, PLC

20100111706 - High voltage bus capacitor pre-charger circuit: A precharge circuit (20, 20′, 20″) charges at least one capacitor (22, 22′, 22″) associated with an electrical device with high capacitance, such as a motor (14) which drives a compressor (16) of the pneumatic system. One end of the at least one capacitor is connected with a high voltage... Agent: Fay Sharpe LLP

20100111707 - Robust pid control for bldc motor controller: When controlling an air compressor (13) for a pneumatic braking system on a large hybrid commercial vehicle (e.g., a bus, a package delivery truck, etc.), PID control of an air compressor motor (12) is employed during normal system operation such as when the motor shaft is spinning, and state machine... Agent: Fay Sharpe LLP

20100111709 - Compressor protection and diagnostic system: A compressor includes at least one current sensor and processing circuitry in communication with the at least one current sensor. The processing circuitry declares a locked rotor condition when current drawn by the compressor is at least forty (40) percent of peak locked rotor current.... Agent: Harness, Dickey & Pierce, P.L.C

20100111710 - Control devices for fuel pump driving motors: The present invention includes a control device capable of applying a high voltage to a motor of a fuel pump for an appropriate period of time during a low voltage operation of the motor.... Agent: Dennison, Schultz & Macdonald

20100111713 - Apparatuses, systems, and methods for improved performance of a pressurized system: A system, apparatus, and method for improving performance of a pressurized system.... Agent: The Law Office Of Richard W. James

20100111711 - Downhole electrical submersible pump seal: An improved seal assembly for a downhole electrical submersible pump assembly.... Agent: Bracewell & Giuliani LLP

20100111712 - Hydraulic pump control arm and method: Adjustable control arms for dual path hydrostatic pumps have first and second arms interconnected by an eccentric mechanism with a common pivot point on a pivotal control input shaft for the pumps. The control arms are adjusted at a minimal pump output such as 500 r.p.m. by varying the eccentric... Agent: Deere & Company

20100111714 - Diaphragm pumps and transporting drag reducers: An apparatus for a diaphragm pump and a method for transporting at least a portion of a latex and/or a latex drag reducer through a diaphragm pump are disclosed. A method for reducing the pressure drop associated with flowing a hydrocarbon-containing fluid through a pipeline also is disclosed.... Agent: Conocophillips Company -IPServices Group Attention: Docketing

20100111715 - Air supply mechanism for ventricular assist system: A pump system has a rotatory shaft and a rotatory drive arrangement coupled to the rotatory shaft for applying rotatory energy thereto. First through fourth pump arrangements are coupled to the rotatory shaft, each pump arrangement pumping a pulse of air during each rotation of the rotatory shaft, the first,... Agent: Raphael A. Monsanto Rohm & Monsanto P.L.C

20100111716 - Apparatus for analysis and control of a reciprocating pump system by determination of a pump card: An instrumentation system for assessing operation of a reciprocating pump system which produces hydrocarbons from a non-vertical or a vertical wellbore. The instrumentation system periodically produces a downhole pump card as a function of a directly or indirectly measured surface card and a friction law function from a wave equation... Agent: Andrews & Kurth, L.L.P.

20100111717 - Air compressor assembly including detachable tool storage bin: An air compressor assembly is disclosed. The air compressor assembly includes a substantially curved frame including a lower frame portion and an upper frame portion, a fluid tank carried by the lower frame portion, a compressor mechanism carried by the lower frame portion, and a storage bin including an engagement... Agent: Michael, Best & Friedrich LLP

20100111719 - Air compressor having quick coupling device: An air compressing device includes a piston slidably engaged in a cylinder housing and driven by a motor to generate a pressurized air, the cylinder housing includes an outlet tube, and an outlet port extended from the outlet tube, and an anchor plate extended from the outlet port, and a... Agent: Charles E. Baxley, Esquire

20100111718 - Hydraulic system for a transmission with pump inlet diffuser: A hydraulic system for a transmission has a diffuser housing with a fluid inlet passage that feeds one or more pump inlet ports, and a fluid return passage, such as to return fluid from a pressure regulator valve, that is in fluid communication with the fluid inlet passage. The hydraulic... Agent: Quinn Law Group, PLLC

20100111721 - Dual piston pump assembly with anti-rotation guide rails: A dual piston-pump apparatus is provided having a pump chassis that includes a pair of spaced-apart, elongated piston bores, and a lead screw shaft. This shaft includes a motor driven end, and another portion thereof rotatably mounted to the chassis for rotation about a screw rotational axis. A piston drive... Agent: Beyer Law Group LLP

20100111720 - High displacement air pump: The prior art has used pitched blades attached to a stationary motor normally electric to move air within the confines of a structure or room. The preferred invention incorporates a series of solid discs. The discs are affixed to a stationary electric motor and thus rotate around a central axis.... Agent: Kile Goekjian Reed & Mcmanus

20100111722 - Integrated internal gear pump with an electric motor: The invention relates to a rotor pump having an internally toothed outer ring and an externally toothed inner ring which is mounted therein and intermeshes therewith, wherein the outer ring and the inner ring are arranged axis-parallel to one another, and the axes of the outer ring and of the... Agent: Brinks Hofer Gilson & Lione/ann Arbor

20100111723 - On-demand on-off water pump assembly: A water pump assembly for an internal combustion engine including a housing, as well as first and second rotatable shafts supported by the housing. First and second pulleys are fixed for rotation with the first and second shafts, respectively. A pumping member is fixed for rotation with the second shaft.... Agent: Magna International, Inc.

20100111724 - Air compressing assembly: An air compressing assembly includes an air tank disposed in a receptacle, an air blowing device disposed in the receptacle and coupled to the air tank for generating and supplying a pressurized air of a relatively lower air pressure and greater flowing quantity to the air tank, an air compressing... Agent: Charles E. Baxley, Esquire

20100111725 - Fluid flow machine: A fluid flow machine includes a housing with a connecting piece for a working fluid on an intake side, and a pressure side. At least one impeller is mounted on a shaft, which is held in the housing by radial and axial bearings, and a cooling arrangement is provided for... Agent: Crowell & Moring LLP Intellectual Property Group

20100111726 - Electromagnetic micro-pump: An electromagnetic micro-pump includes a substrate, a top plate, a magnetic diaphragm, and a coil unit. The substrate includes a first face and a second face. The first face includes a groove. The top plate is mounted on the first face of the substrate. The top plate includes an input... Agent: Kamrath & Associates P.A.

20100111727 - Solenoid actuator: A solenoid actuator (1) attached to hydraulic equipment comprises a shaft (5) connected to the hydraulic equipment, a plunger (4) fixed to the shaft (5), a coil (12) which magnetically drives the plunger (4), and a first bearing (7) and a second bearing (8) supporting the shaft (5) on either... Agent: Rabin & Berdo, PC

20100111728 - Reciprocating piston pump: The invention relates to a reciprocating piston pump for delivering a liquid. The pump includes a solenoid with an actuator and an outlet port. A check valve with a seat body is assigned to the outlet port for keeping a return flow of the liquid out of the reciprocating piston... Agent: Eschweiler & Associates, LLC National City Bank Building

20100111730 - Low-noise rotary pump: A rotary pump with a plastic pump housing, that can be processed by injection molding, with a first housing part defining a pump space, which is connected to a second intermediate housing part accommodating an electric motor with a wound core stator. The rotary pump includes a plastic split core,... Agent: Jacobson Holman PLLC

20100111729 - Pump assembly: A pump assembly with an electric motor includes a stator having an iron core (16) and windings arranged thereon and being arranged in a stator housing surrounding the electric motor to the outside. The stator housing (6) is formed as a cast component, into which the iron core (16) is... Agent: Panitch Schwarze Belisario & Nadel LLP

20100111731 - Pump motor: A pump motor includes a stator, a rotor and a housing accommodating the stator and the rotor. The stator has a plurality of teeth, each of the teeth being provided with a cap portion at its tip end. The rotor is arranged inside the stator in an opposing relationship with... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20100111732 - Piston pump with rotating pump actuator: A reciprocating piston liquid pump and piston driver mechanism includes a reciprocating piston liquid pump having a piston chamber and a piston reciprocating in the piston chamber from an unactuated position to an actuated position, with movement of the piston from the unactuated position to the actuated position causing the... Agent: Renner Kenner Greive Bobak Taylor & Weber

20100111733 - Peristaltic pump with constrictions at fixed locations: In a pump, a flexible tube passes through the pump and is held “normally closed” at an output constriction. The pump includes a pump body and a pump member that can perform two functions by their relative motion. The first function is to open and close an input constriction of... Agent: Lumen Patent Firm

20100111734 - Electromagnetically-driven valve mechanism and high-pressure fuel supply pump using the same: In the present invention, the lead line weld joined portion 55 is disposed externally of the magnetic circuit, i.e., of the yoke portion 51. This eliminates the necessity of a space adapted to receive the lead line weld joined portion 55 therein; therefore, the total length of the magnetic circuit... Agent: Crowell & Moring LLP Intellectual Property Group

20100111735 - Foam pump: A foam pump, comprising a pump body (1), a big cover (2), a big piston (3), a small piston (4), a piston rod (5), a head cap (6) and a foam screen (7), featured by that: said pump body (1) is at the upper part, said big cover (2) is... Agent: GlobalIPServices

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


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