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Pumps July category listing 07/09Below 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. 07/30/2009 > patent applications in patent subcategories.
20090191065 - Feed pump: A feed pump with a variable-speed drive for adjustably metering a feed quantity, which is designed as a single-stage centrifugal pump with a radial wheel arranged to rotate, without a sealing gap, in an impeller chamber of a pump casing, to convey a fluid between a pump inlet and outlet.... Agent: Crowell & Moring LLP Intellectual Property Group
20090191066 - Aliquot correction for feeding set degradation: A peristaltic pump is able to deliver accurate volumes over the life of a pump set that is operated on by the pump to drive the flow of fluid. The pump delivers fluid in small volumes or aliquots. In order to deliver fluid at any particular selected flow rate, the... Agent: Tyco Healthcare - Edward S. Jarmolowicz
20090191067 - Two chamber pumps and related methods: Two chamber pumps and related methods provide a platform for measuring flow rate in about real time without contacting the material being pumped. Pressure and optional temperature sensors disposed in a pressurized chamber allow for fluid delivery calculations after being calibrated or by knowing the initial volume of the fluid... Agent: Luce, Forward, Hamilton & Scripps LLP
20090191068 - Variable volume reservoir: A reservoir for a hydraulic pump system includes a reservoir body, an inner wall dividing an interior of the reservoir body into a first pressure chamber and a second pressure chamber, and a one-way valve connecting the first pressure chamber and the second pressure chamber. A piston assembly forms a... Agent: Westman Champlin & Kelly, P.A.
20090191069 - Adjustable motor base for an hvac&r blower motor: An HVAC&R system including a blower system having a vertical motor adjustment is provided. The HVAC&R system includes a cooling unit, a heating unit, an air conditioning unit, and a blower unit. The blower unit includes a blower assembly having a fan unit within a fan unit support frame. A... Agent: Mcnees Wallace & Nurick LLC
20090191070 - Motor-operated fan apparatus: A motor-operated fan apparatus is made up of a brushless motor and a centrifugal fan. The brushless motor has: a rotary shaft vertically disposed on a substrate in a rotatable manner; a stator disposed coaxially with the rotary shaft; and a rotor integrally disposed on the rotary shaft. The centrifugal... Agent: Wenderoth, Lind & Ponack, L.L.P.
20090191071 - Compressors: Compressors are provided which include a motor having a drive shaft; a compression chamber, having an inlet and an outlet; a diaphragm, disposed within the compression chamber such that when the diaphragm is deflected back and forth between a first position and a second position air is drawn in through... Agent: Fish & Richardson P.C.
20090191072 - Pump for high g-load applications: A pump for high G-load applications comprises a motor assembly coupled to an impeller mounted in a rigid housing and support structure. The motor assembly further comprises a rotor specifically designed to support large radial forces. The rotor is supported by two bearing assemblies. A stator that interacts with the... Agent: Arent Fox LLP
20090191073 - Magnetic pumping machines: Magnetic pumping systems and methods of pumping using such systems are disclosed. In one embodiment, a system for pumping fluid comprises: a substantially cylinder-shaped pump housing (200); a magnetic piston (210) residing within the pump housing (200) for displacing the fluid; a magnetic actuator (220) surrounding the pump housing (200),... Agent: General Electric Company Global Research
20090191074 - Electrically powered pump: An electrically powered pump includes a pump arrangement that pumps a liquid, and an electric motor arrangement that has a stator and a rotor that are installed on a passage through which the liquid pumped by the pump arrangement flows. At least one of the stator and the rotor has... Agent: Nixon & Vanderhye, PC
20090191075 - Positive displacement piston pump, for lubication: A positive displacement pump whose structure allows to increase the pressure of the lubricant taken from the oil sump, wherein the free level surface of the lubricant could even be located far away from the rotating members of the machine. This applies specifically to reciprocating, air compressors, which generally have... Agent: Young & Thompson
20090191076 - Tunable choke tube for pulsation control device used with gas compressor: A method and system for reducing pulsation in a gas compressor system. A pulsation control device, such as a filter bottle or side branch absorber, is installed at a port into some location on the compressor system. The pulsation control device has a choke tube with a variable cross-sectional area,... Agent: Baker Botts L.L.P. Patent Department
20090191077 - Pump: In a cylinder, a plunger is reciprocated in a plunger receiving hole to pressurize fluid in a pump chamber. A delivery passage hole extends in a direction generally perpendicular to an axis of the plunger receiving hole from the pump chamber to a radial intermediate location of the cylinder, which... Agent: Nixon & Vanderhye, PC07/23/2009 > patent applications in patent subcategories.
20090185914 - Spa with circuit for detecting and responding to excessive changes in pump current: A spa heater/control includes sensors and processors to monitor and display indicia of common failures. The heater/control includes voltage sensors and processing to measure proper power connections to the heater/control. The spa heater/control further monitors various voltages, currents, flow rates, and temperatures within the spa to provide diagnostic information which... Agent: Averill & Varn
20090185915 - Digital control device: A digital control system for monitoring and controlling a concrete pumping system. A microcontroller provides control signals and receives feedback from associated comparator switch subsystems. Feedback from the comparator switch subsystems is used by a microcontroller to determine whether short circuit or open circuit malfunctions are occurring on solenoids valves... Agent: Dykas, Shaver & Nipper, LLP
20090185916 - Electrokinetic pump designs and drug delivery systems: One embodiment of the present invention provides a piston assembly having a piston housing filled with an electrolyte; a housing within the piston housing that divides the piston housing into a first portion and a second portion, the housing having apertures, a shaft connecting the housing to a piston head... Agent: Eksigent Technologies, LLC C/o Sheldon Mak Rose & Anderson
20090185917 - Pressure exchanger: There is disclosed a pressure vessel (1) provided with a first port (10) acting as a high pressure inlet of a first stream and a second port (11) acting as a high pressure outlet. A rotatable valve element (9) is located in the centre of the machine and includes a... Agent: Leason Ellis LLP
20090185918 - Fluid transfer using devices with rotatable housings: A liquid ring pump includes an external housing enclosing a volume including a lower fluid reservoir. A rotatable inner housing is within the volume of the external housing, the inner housing enclosing an inner fluid chamber. A pitot tube provides fluid communication between the lower fluid reservoir and the inner... Agent: Michelle Saquet Temple
20090185919 - Fan assembly: A fan assembly including a rotation shaft, a permanent magnet having a receiving space therein and rotatable around a central axis of the rotation shaft, a fan including a hub having a receiving space therein with one side open and disposed outside the permanent magnet, the fan being rotatable around... Agent: Ked & Associates, LLP
20090185920 - System and method for pumping fluid using a pump cassette: A system and method for pumping fluid using a pump cassette. The system includes a control assembly for operating the pump cassette. A force assembly having a movable member is capable of applying force to the pump cassette to press the pump cassette against the control assembly. The movable member... Agent: Michelle Saquet Temple
20090185921 - Scroll compressor having standardized power strip: A scroll compressor for compressing fluid has a common terminal block for electrical hook-ups. The compressor includes a compressor section; a drive unit operative to drive the compressor section for compressing fluid; a protection module; and a power connector for connecting electrical power to the drive unit to facilitate operation... Agent: Reinhart Boerner Van Deuren P.C.
20090185922 - Fuel pump: A fuel pump includes a housing having therein a suction passage and a pressurization chamber into which fuel from the suction passage flows, a plunger held in the housing to be reciprocable so as to pressurize the fuel flowing into the pressurization chamber, and a diaphragm device located in a... Agent: Nixon & Vanderhye, PC
20090185923 - Fuel supply pump: The invention provides fuel supply pump that can improve the durability of a fuel inlet valve and stably pressure-feed high pressure fuel of a large flow rate. In the fuel inlet valve according to the invention, a valve piston includes, in its outer surface in the vicinity of an end... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.
20090185924 - Piston pump: The invention relates to a piston pump for conveying fluids. The piston pump includes a piston, and a pressure chamber located between an intake valve and a discharge valve. The intake valve is arranged between the pressure chamber and a low-pressure zone of the piston pump. The intake valve has... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.07/16/2009 > patent applications in patent subcategories.
20090180897 - Fan enabling increased wind pressure and air volume: A fan enabling increased wind pressure and air volume includes a driving circuit unit, a signal level unit, a signal amplifying unit, and a microcontroller unit (MCU). The driving circuit unit drives the fan to rotate; the signal level unit receives a current signal from the driving circuit unit and... Agent: Nikolai & Mersereau, P.A.
20090180898 - Dense phase pump with single ended flow and purge: A dense phase pump for particulate material includes a pump chamber wherein material flows into the pump chamber under negative pressure and flows out of the pump chamber under positive pressure. A plurality of pinch valves are provided to control flow of material into and out of the pump chamber.... Agent: Calfee, Halter & Griswold, LLP
20090180899 - Device, and method for feeding substances: An apparatus for pumping free-flowing materials, having a receptacle coupled to a vacuum pipe and a pumping gas pipe, at least one filter, at least one supply pipe, and at least one drainage pipe for a material being associated with the receptacle. The apparatus includes a vertically extending cylindrical pump... Agent: Darby & Darby P.C.
20090180900 - Radial piston fuel supply pump: A high pressure radial piston fuel pump is featured having an hydraulic head with two or three individual radial pumping pistons and associated pumping chambers, annularly spaced around a cavity in the head where a rotating eccentric drive member with associated actuation ring are situated. A rolling interaction is provided... Agent: Alix Yale & Ristas LLP
20090180901 - Fan and inner rotor motor thereof: A fan includes an impeller and an inner rotor motor. The inner rotor motor connects to the impeller and drives it to rotate. The inner rotor motor includes a bushing, a shaft, a magnetic conducting shell, a magnetic element and a stator. The shaft passes through the bushing and is... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090180902 - Fan: A fan includes a fan frame having an upright barrel, a fan blade unit having a fan hub with radial blades, and a driving module formed of a stator, an axle bearing, a core shaft and a rotor for causing rotation of the fan hub with the blades relative to... Agent: Bacon & Thomas, PLLC
20090180903 - Rotary pressure transfer device: A pressure transfer device for the transfer of pressure energy from a high pressure fluid stream to a lower pressure fluid stream wherein a generally cylindrical housing (61) contains a rotor (63) having a plurality of channels (65) extending axially therethrough that revolves about a central stator (67) or within... Agent: Fitch Even Tabin & Flannery
20090180904 - Pump apparatus: A pump apparatus includes a drive shaft supported rotatably in a pump body; a power transmission member attached to the drive shaft, and configured to transmit power to the drive shaft; a pump element configured to pressurize and discharge working fluid; a discharge passage formed in the pump body, and... Agent: Foley And Lardner LLP Suite 500
20090180905 - Pump element and pump having such a pump element: A pump element includes a pump element housing defining a pump chamber having an inlet and an outlet, and at least a first movable element movable in the pump chamber between a first and a second position. During a movement of the first movable element in the direction from the... Agent: Schoppe, Zimmermann , Stockeler & Zinkler C/o Keating & Bennett, LLP
20090180906 - Hydraulic pump: An economically desirable hydraulic pump which can reduce manufacturing costs or running costs significantly. The hydraulic pump comprises a waterway through which water is fed into a pump outer wall body. A moving pressing member compresses a lower reservoir to move downward as water is fed, and to move upward... Agent: Ladas & Parry LLP07/09/2009 > patent applications in patent subcategories.
20090175734 - Power steering pump flow control: An apparatus for preventing noise from occurring due to cavitation in a power steering pump during low temperature start-up includes the addition of a multi-passage orifice element for adding wetted surface resistance to high viscous fluid flow downstream from a single passage outlet orifice element of a fluid flow control... Agent: Automotive Components Holdings LLC C/o Macmillan, Sobanski & Todd, LLC
20090175735 - Pump with a direct thrust recovery device for driving fluids: The invention relates to a pump with a direct thrust recovery device for driving fluids, formed by pumping mechanisms formed by pistons (4) which are actuated in reciprocating longitudinal movement, the corresponding piston (4) playing in each pumping mechanism between two chambers (6 and 7), through one of which the... Agent: The Nath Law Group
20090175736 - System and method for providing a thermal transpiration gag pump using a nanoporous ceramic material: A system and method for using an element made of porous ceramic materials such as zeolite to constrain the flow of gas molecules to the free molecular or transitional flow regime. A preferred embodiment of the gas pump may include the zeolite element, a heater, a cooler, passive thermal elements,... Agent: Perkins Coie LLP
20090175737 - Groundwater sampling device: A groundwater sampling and pumping device and system for withdrawing groundwater from a well of small size, not exceeding 1.5 inches I.D. The device includes a hollow outer housing having water inlet ports formed through a bottom thereof and a hollow inner housing sized to be positioned integrally within the... Agent: Novak, Druce & Quigg LLP
20090175738 - Process and device for the high-pressure delivery of a fluid mixture and use of same: A method for the high-pressure delivery of a mixture comprises delivering at least first and second fluids. The method comprises operations consisting in forming a mixture of fluids in a mixing zone having a pressure that is less than the desired high pressure and bringing the pre-mixed fluids to the... Agent: Bachman & Lapointe, P.C.
20090175740 - Compressor: A muffler cover of a compression element has discharge outlets or hole portions that discharge a compressed refrigerant gas into a closed vessel from a compression element. A suction pipe provides refrigerant gas, which can be sucked into the compression element in the closed vessel. The suction pipe is attached... Agent: GlobalIPCounselors, LLP
20090175739 - Dual drive compressor: A dual drive compressor is disclosed including a suction chamber having at least one muffler incorporated therein, wherein the at least one muffler attenuates pulsations caused by a fluid received in the compressor.... Agent: Fraser Clemens Martin & Miller LLC
20090175741 - Refrigerant compressor: A hermetically encapsulated refrigerant compressor which has a hermetically sealed compressor housing (1), in the interior of which operates a refrigerant-compressing piston-cylinder unit, and is provided with a suction duct (2), via which refrigerant is conveyed into the compressor housing (1), and is provided with a pressure duct (3), via... Agent: Collard & Roe, P.C.
20090175742 - Hydraulic supply system for a motor vehicle: A hydraulic supply system for a motor vehicle includes an internal combustion engine, a pump driven by the internal combustion engine, and a hydraulically operated component that is driven by hydraulic fluid transported by the pump. An electric motor is provided to drive the pump when the internal combustion engine... Agent: Alfred J Mangels
20090175743 - Compressor and manufacturing method of the same: There is disclosed a compressor capable of easily adjusting top clearances in a case where metal gaskets are used as a seal material between a valve plate and a casing main body. In the compressor in which pistons reciprocate in cylinders of the casing main body constituting a casing to... Agent: Kratz, Quintos & Hanson, LLP
20090175744 - Mini-fan with easy-starting structure: A mini-fan with an easy-starting structure is proposed, which includes a fan housing a rotor, and a bottom. The fan housing has a plurality of coils, a control unit, and at least one globe-shaped attractor, with the at least one globe-shaped attractor being made of conductive magnetic material and arranged... Agent: Muncy, Geissler, Olds & Lowe, PLLC
20090175745 - Blower unit for vehicle: A blower unit for generating air for cooling a heat exchanger includes a plurality of blowers, a single motor, a driving shaft, gears, gear boxes and a joint. The blowers are arranged in parallel with each other with respect to a flow of air passing through the heat exchanger. The... Agent: Harness, Dickey & Pierce, P.L.C
20090175746 - Compressor: A compressor having a casing to which a gas suction pipe is connected; a driving motor provided in the casing; a cylinder; a valve supporting plate (210) covering the cylinder (300), the valve supporting plate (210) having a suction hole (212) for sucking gas into the cylinder (300) and two... Agent: Mckenna Long & Aldridge LLP
20090175747 - Manual evacuation system: A gastight interface for an evacuation device comprises a flexible suction cup adapted to form a gastight seal with a surface surrounding a valve disposed on a container and extending from an evacuation end of an evacuation chamber. The flexible suction cup has an aperture disposed therethrough for fluid communication... Agent: S.c. Johnson & Son, Inc.07/02/2009 > patent applications in patent subcategories.
20090169396 - Compressed air manufacturing facility: In order to provide a compressed air manufacturing facility which can increase a stability of a supply pressure while obtaining an energy saving effect, in a compressed air manufacturing facility provided with a compressor compressing an air, an electric motor driving the compressor, and an inverter variably controlling a rotating... Agent: Antonelli, Terry, Stout & Kraus, LLP
20090169397 - Method for removing fluid from a well bore: A jet pump assembly and method for removing fluid from a well bore extending into a formation is disclosed. The jet pump assembly includes a jet pump interposed between a tubing string and a packer. The jet pump includes a body having an outer surface, a lower tubular end, an... Agent: Dunlap Codding, P.C.
20090169398 - Transfer pump for high-pressure gasoline injection: Transfer pump for high-pressure petrol injection of the type comprising a piston (1) which delivers oil into a deformable element such as a bellows (8), the deformations of said bellows (8) in a cylindrical chamber (6) filled with fuel causing a pumping effect whereby said fuel is pumped towards a... Agent: Young & Thompson
20090169399 - Ultra-thin miniature pump: An ultra-thin miniature pump applied to transport a fluid includes a main body, a rotor, and a stator. The main body includes a cover part and a bottom part. A joint surface between the cover part and the bottom part possesses an anti-leakage device, and a chamber including a suction... Agent: Birch Stewart Kolasch & Birch
20090169400 - Fan hub integrated vacuum pump system: An integrated fan and pump drive system.... Agent: Baker & Daniels LLP
20090169401 - Two-stage air powered pump: A two-stage air powered hydraulic pump has a portion of the air pressure that operates the pump diverted directly to the reservoir. The air pressure on the reservoir presses hydraulic fluid in the reservoir out of the reservoir, through the pumping chamber and to the load to quickly advance the... Agent: Quarles & Brady LLP
20090169402 - Membrane pump: An electromagnetic driven membrane pump has a pump housing inside which at least one pump chamber (15) having at least one intake and outlet is formed and delimited between a gable (1) of the pump housing and at least one completely-sealed membrane (14) attached to a wall (4) of the... Agent: Dilworth & Barrese, LLP
20090169403 - Fan and motor thereof: A motor includes a rotor magnetic ring, a stator core, a first magnetic conducting sheet and a second magnetic conducting sheet. The stator core is disposed around and out of the rotor magnetic ring. The first magnetic conducting sheet has a ring shape with a protruding portion serving as a... Agent: Muncy, Geissler, Olds & Lowe, PLLCPrevious industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices
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