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Pumps June invention type 06/12

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.
06/28/2012 > 17 patent applications in 14 patent subcategories. invention type

20120163996 - Hydraulic drive device of hydraulic operating machine: A hydraulic drive system for a hydraulic working machine sets a delivery pressure at a preset value upon raising a temperature of exhaust gas to a temperature needed for combustion of particulate matter by increasing a load to be applied to an engine. In a non-operation state, a variable restrictor... Agent: Hitachi Construction Machinery Co., Ltd.

20120163998 - Fluid ejection device and medical device: A fluid ejection device includes: a pulse generation unit that changes the volume of a fluid chamber using a volume changing section to eject pulsating flow; a fluid supply unit including a pump chamber and a pump chamber volume changing section that changes the volume of the pump chamber to... Agent: Seiko Epson Corporation

20120163997 - Vane compressor with integrated motor: A rotor disk of a vane compressor includes a multiple of slots along an outer diameter and a multiple of magnets along an inner diameter. Each of the multiple of slots is radially aligned with one of the multiple of magnets.... Agent:

20120164000 - High pressure solids pump: The present invention generally relates to an abrasive particles injection system. In one aspect, a high pressure solids pump for use in an abrasive particles injection system is provided. The high pressure solids pump includes a pump body having a chamber with an inlet and an outlet. The high pressure... Agent:

20120163999 - Pump module, pump base module and pump system: The invention-based pump module (1) comprising a base (2) and a flexibly deformable membrane (4), wherein the base (2) and the membrane (4) form a line-shaped pump channel (5) that is curved at least in sections, and the base (2) comprises a pump channel inlet (6) and a pump channel... Agent: Fresenius Kabi Deutschland Gmbh

20120164001 - Variable capacity oil pump: The invention relates to a wind turbine being provided with a fluid displacement means for ensuring a certain increased pumping capacity at a certain reduced rotational speed of the main shaft of the rotor and thus of a drive shaft from a gear box of the wind turbine. The invention... Agent: Vestas Wind Systems A/s

20120164002 - Viscous two-speed clutch: Some embodiments of a clutch system may drive an output portion to rotate at a first rotational speed when the clutch surfaces are engaged and to rotate at a second rotational speed when the clutch surfaces are shifted to a disengaged position. The viscous two-speed clutch system may employ a... Agent: Kit Masters

20120164003 - Blower fan: A blower fan including a motor having a rotating shaft, a bracket, a fan housing having a cavity, a fan wheel, and fan blades. The motor is disposed on the fan housing via the bracket. An extended portion of the rotating shaft extends into the cavity of the fan housing... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd

20120164004 - Pump assembly: A pump has power and fluid ends wherein one or more of the drive rods are offset from the plungers. An offset coupler connects a drive rod to an offset plunger. A method includes connecting the offset power end to the standard fluid end using the offset coupler. A repair... Agent:

20120164005 - Motor compressor unit with torsionally flexible coupling placed in a hollow shaft of the compressor: A motor compressor unit (1) comprises a motor (3) and a compressor (2) which are mounted in a common housing (4) sealed against the gas to be compressed. The motor (3) comprises a rotor (39) rotatably connected to a rotor (38) of the compressor (2). The rotor (38) of the... Agent: Thermodyn

20120164006 - Fluid delivery device identification and loading system: A medical pump includes a chassis having a fixed seat and a carriage having a footing for receiving a fluid delivery device and restricting its movement. An actuator assembly is provided that allows for moving the carriage between an opened and closed position to engage the fluid delivery device to... Agent: Hospira, Inc.

20120164007 - Method and apparatus to attenuate vibrations from an air mover assembly: A reduced-vibration air mover assembly comprises a first blade housing to support a first motor housing and a first motor through a first set of struts, the first motor rotatably coupled to a first blade, and a second blade housing to support a second motor housing and a second motor... Agent: International Business Machines Corporation

20120164008 - Negative-pressure oxygen providing device: A negative-pressure oxygen providing device includes a base, a power unit, a first negative-pressure device, a second negative-pressure device, and a water suction member. The power unit is fixed on the base and includes a driving member with a driving shaft and a main shaft which communicates with the driving... Agent:

20120164009 - Electric pump unit: An electric pump unit that may be compactified and that may be reduced in weight and cost is provided. An electric pump unit is configured such that a pump chamber having an oil suction port and an oil discharge port is formed on an inner side of a motor stator... Agent: Jtekt Corporation

20120164010 - Diaphragm pump and motor system and method: Embodiments of the invention provide a pump assembly including a pump, a motor, and a baseplate. The pump includes a valve housing and an upper housing with a ring to separate an inlet chamber from an outlet chamber. An o-ring is positioned between raised outer walls of the ring and... Agent:

20120164011 - Magnetic air engine: The present invention pertains to an engine assembly that utilizes magnetically and air pressure driven pistons. The engine assembly of the present invention utilizes the design and functionality of typical internal combustion engines, while incorporating energy efficient technologies found in electric/magnetic type engines and others.... Agent:

20120164012 - Fluid transporting device of the peristaltic type with a push pin and push plate arrangement: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of... Agent: Seiko Epson Corporation

06/21/2012 > 20 patent applications in 20 patent subcategories. invention type

20120156056 - Pump units: A pump unit includes a pump, a motor configured to drive the pump, a control device communicating with the motor and a pressure detection device configured to detect a pressure of a fluid discharged from the pump. The control device is configured to control the motor, so that a pressure... Agent: Aisan Kogyo Kabushiki Kaisha

20120156057 - Fuel supply apparatus: A fuel supply apparatus includes a fuel pump having an electrically driven motor. A controller is connected to the motor of the first fuel pump and is capable of determining an estimated pressure based on a value of current supplied to the motor and a rotational speed of the motor.... Agent: Aisan Kogyo Kabushiki Kaisha

20120156058 - Voltage compensating piston fuel pump and fuel delivery system therewith: A piston-type fuel pump is provided. The fuel pump includes a housing bounding an internal cavity with a cylindrical tube disposed in the internal cavity. The cylindrical tube provides a bore extending along an axis and a piston is disposed in the bore. A spring is configured to bias the... Agent:

20120156059 - Continuous flow thermodynamic pump: A thermodynamic pump for provides gaseous hydrogen employing a plurality of liquid hydrogen (LH2) tanks sequentially pressurized with gaseous hydrogen (GH2) from an accumulator. A heat exchanger receiving LH2 from each of the plurality of tanks as sequentially pressurized returns pressurized GH2 to the accumulator for supply to an engine.... Agent: The Boeing Company

20120156060 - Jet pump and reactor: A nozzle apparatus of a jet pump includes a nozzle base member, and a plurality of nozzles installed to the nozzle base member and forming a plurality of narrowing portions, in which a fluid passage cross-sectional area of a driving fluid passage formed in the nozzle is reduced.... Agent:

20120156061 - Flow sensing dual pump switching system and method: A flow sensing dual pump switching system and method are provided that control the supply of fuel from a dual pump fuel system to a fuel metering unit. The system senses bypass pressure from the fuel metering unit to control the differential pressurization of the second pump. As the bypass... Agent: Woodward Governor Company

20120156062 - Electromagnetic clutch, compressor, and manufacturing method for electromagnetic clutch: When grooves 44, 45A and 45B of an armature 42 and a rotor 43 are formed by laser beam machining, a metal oxide layer 100 is formed on wall surfaces defining the grooves 44, 45A and 45B. The metal oxide layer 100 is brought into sliding contact with a first... Agent: Mitsubishi Heavy Industries, Ltd.

20120156063 - Fan module: A fan module includes a housing and at leas one impeller. The housing includes first and second air channels. The housing further includes an axial air inlet in communication with the first air channel and a radial air inlet in communication with the second air channel. The housing further includes... Agent:

20120156064 - Orbital oscillation fan: A precessing fan system includes a fan blade connected to a precessing drive train. The precessing drive train is connected to a first support at one end and pivotably connected to a second support at another end. The precessing drive train includes a single motor having a drive shaft driving... Agent:

20120156065 - Bearing cooling control in an air cycle machine: An air cycle machine has a housing which holds a compressor section, and a turbine section having an expansion area, and a fan section disposed outside of the housing. A shaft, which attaches to and is coaxial with the compressor section, the turbine section and the fan section, is supported... Agent:

20120156066 - Concentric multi-stage centrifugal pump with start stage: A multi-stage concentric centrifugal pump includes a start stage. An inner impeller stage is driven by drive shaft while an electric motor drive is selectively switched on for starting, and off for normal operation to drive an outer impeller stage. The electric motor driven outer stage builds required system pressure... Agent: Eaton Corporation

20120156067 - Compressor: A compressor includes a closed container and a compression element that are welded together at least three welding points. The closed container has a suction port with a suction tube fitted to the suction port of the closed container with the suction tube being arranged and configured to suck a... Agent: Daikin Industries, Ltd.

20120156068 - 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:

20120156069 - Photothermal source of fluid pumping device driven by self photovoltaic power: The present invention relates to a photothermal source of fluid pumping device driven by self photovoltaic power, wherein a light projection space defined adjacent to a photothermal source device generating both optical and thermal power is provided with a photovoltaic (PV) device capable of converting the self optical power of... Agent:

20120156071 - Disposable magnetically-levitated centrifugal pump: A magnetically-levitated centrifugal pump, in which permanent magnets are not used for disposable sections, is provided with a pump head section and a pump section. The pump section comprises a stator, a torque transmission disc, a motor, a displacement sensor, and a pump housing. The stator has longer depth than... Agent: Tokyo Institute Of Technology

20120156070 - Thrust generating apparatus: A thrust generating apparatus 10 is provided under water and is configured to generate thrust by ejecting the water. The thrust generating apparatus 10 includes: a first water lubricated bearing 40 provided to be opposed to one side surface and outer peripheral surface of a rotor main body 43 and... Agent: Kawasaki Jukogyo Kabushiki Kaisha

20120156072 - Compressor: A compressor includes a housing (10) including a case (11) and a front head (12) attached to the case, a compressor body (60) contained in the housing, and an intake chamber (34) provided in the front head between the compressor body and the front head. A part of the front... Agent:

20120156073 - Infusion apparatus: In a peristaltic medical infusion pump unit, comprising a peristaltic assembly and a counter surface or anvil facing said peristaltic assembly and provided by the inner surface of a door pivotally mounted on a housing of the unit, the door is readily non-destructively removable and replaceable. In use of the... Agent: Carefusion 303, Inc.

20120156074 - Peristaltic pump: A peristaltic pump for conveying fluids includes a stator and a rotor supported therein. A flexible hose is integrated in the stator and the rotor includes radially arranged conveying elements which squeeze the hose over a section containing the fluid. The squeezed fluid section moves progressively in the hose under... Agent: Astrium Gmbh

20120156075 - Collapsible bilge pump: A collapsible bilge pump includes outer and inner cylinders telescopable between retracted and extended posiions. A piston is movable up and down within the inner cylinder. Check valves in the bottom of the outer cylinder and in the piston permit the pump to take in water at the bottom end... Agent:

06/14/2012 > 17 patent applications in 16 patent subcategories. invention type

20120148415 - Pump rotor: The present invention relates to a pump rotor for a peristaltic hose pump, in particular a medical peristaltic hose pump, with at least one actuating device, by means of which the pump rotor can be actuated hydraulically and/or pneumatically. Furthermore the present invention in particular relates to a medical peristaltic... Agent: Fresenius Medical Care Deutschland Gmbh

20120148416 - Paddlewheel apparatus: A paddlewheel apparatus including a paddlewheel axle, spaced apart annular wheel hubs locked in rotation with the axle, and a plurality of elongated paddles supported by the wheel hubs and spaced apart therefrom, the paddles being arranged in a zigzagging pattern around the circumference of the wheel hubs. A method... Agent:

20120148417 - Active compensation for mud telemetry modulator and turbine: An arrangement having a piston configured to move along an axial pathway a rotating seal configured to seal an inside environment from an outside environment, the rotating seal configured to be acted upon by a pressure exerted from the piston, a differential pressure sensor measuring a pressure difference between a... Agent:

20120148418 - Switching assembly for a hydraulic pump jack: A switching assembly for a hydraulic pump jack has a non-magnetic cylinder. A piston is reciprocally movable within the interior bore of the cylinder. The piston has circumferential sealing means to engage the interior surface of the cylinder. A magnetic element is carried by the piston. A fluid source supplies... Agent:

20120148420 - Control method of assist pump for automatic transmission of vehicle provided with isg system: A control method of an assist pump for automatic transmission of a vehicle is provided with an ISG system. The control method includes executing idle stop and go, detecting present transmission gear shift and operating an assist hydraulic pump at a predetermined standard RPM according to detected present transmission gear... Agent: Hyundai Motor Company

20120148419 - Pump control and method: c

20120148421 - Ejector pump: An ejector pump (100) comprises a chamber having a gas mixing portion (108) and a diffuser portion (112) . An inlet (10S) conveys a gas stream into the gas mixing portion, and an outlet (114) conveys the gas stream from the diffuser portion. To provide a motive fluid for the... Agent:

20120148422 - Liquid dispenser: A liquid dispensing mechanism adapted to achieve an increased inflow and an increased outflow rate and consisting of an inlet line adapted to receive liquid from an external reservoir, and adapted to release aid liquid via an outlet line, said mechanism comprising a pressure chamber adapted to store liquid and... Agent: Spirax Marshall Pvt. Ltd.

20120148423 - Lubricant pump system: A lubricant pump system may include a lubricant pump controlled by a proportional valve. An actuating unit may be disposed in the lubricant pump and configured to control a delivery output of the lubricant pump. A first pressure chamber and at least one second pressure chamber may be configured to... Agent:

20120148424 - Rim drive electrical machine: A rim driven electrical machine for interaction with a flow of water, comprising: a rotor mounted within a housing, the rotor including at least one circumferential conductor and a central passageway, the central passageway for receiving at least one blade arrangement for rotational interaction with a fluid within the central... Agent: Rolls-royce PLC

20120148425 - Drive mechanism for a drug delivery device: r

20120148426 - Gear pump: This invention relates to a gear pump (1) for delivering a fluid, comprising an externally toothed gearwheel (3) rotatably mounted on a journal (4), and an internally toothed annular gear (2), said gearwheel and gear meshing so as to produce a delivery action, and arranged together with an electrically commutatable... Agent: Robert Bosch Gmbh

20120148427 - Battery operated solar charged pump kit utilizing an inline submersible pump: A rechargeable battery operated solar pump kit is provided to arrange in relation to a rain barrel, comprising comprises a solar panel, an inline submersible pump and a control box. The solar panel responds to solar energy, and provides solar power via an electrical terminal. The inline submersible pump is... Agent: Itt Manufacturing Enterprises, Inc.

20120148428 - Hydraulic modulator: A hydraulic modulator including a motor having a motor housing, a stator, a rotor, and a motor shaft. A power transmitting mechanism is provided for transmitting the power of the motor to the outside thereof. A master cylinder includes a piston linearly movable by the power transmitted by the power... Agent:

20120148429 - Fluid conveying device and driving method for fluid conveying device: A fluid conveying device includes: a tube; a cam having protrusions; fingers arranged along the tube between the tube and the cam; a driving rotor which rotates the cam to sequentially push the fingers by the protrusions in a flowing direction of a fluid, repeatedly pressuring and opening of the... Agent: Seiko Epson Corporation

20120148430 - Pump assembly: A pump assembly having a power end and a fluid end, wherein the fluid end includes a plurality of pump bodies connected side by side between opposing end plates with a plurality of fasteners tightened to compress the pump bodies between the end plates. The power end and at least... Agent:

20120148431 - Plunger for downhole pumps: A pump plunger for a sucker rod pump includes an elongated plunger body having first and second plunger body ends and a longitudinal plunger body bore extending between the first and second plunger body ends, a first plunger end fitting releasably carried by the first plunger body end of the... Agent:

06/07/2012 > 14 patent applications in 14 patent subcategories. invention type

20120141297 - Oil pump controlling system of hybrid vehicle and method thereof: The present invention relates to an oil pump control apparatus of a hybrid vehicle that controls an oil pump according to a demand of an output torque and oil temperature, and a method thereof. A oil pump control method includes controlling hydraulic line pressure by operating a oil pump at... Agent: Hyundai Motor Company

20120141298 - Oil sand slurry transportation system and method for variable slurry flow rates: Provided is a system for transporting an oil sand slurry, comprising a pump, upstream and downstream lines, a shaft connectable to the pump, a driving mechanism driving the pump and a regulator for regulating the torque applied to the shaft between positive and negative torque modes, to pump the slurry... Agent:

20120141299 - Apparatus and method for supplementing brake vacuum pressure: An apparatus for supplementing a brake vacuum pressure, may include an engine control unit (ECU) that generates a vacuum pressure control signal for supplementing the brake vacuum pressure in accordance with the result of determining whether the brake vacuum pressure is included in a reference vacuum pressure range after a... Agent: Hyundai Motor Company

20120141300 - Linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system: A linear compressor (100) applicable to a cooling system (20) includes a piston (1) driven by a linear motor (10), the piston (1) having displacement range controlled by means of a controlled voltage (VM), the controlled voltage (VM) having a voltage frequency (φP) applied to the linear motor (10) and... Agent: Whirlpool S.a.

20120141301 - Method and apparatus for predicting maintenance needs of a pump based at least partly on pump performance analysis: A signal processor is provided comprising one or more signal processor modules configured to: compare signaling containing information about historical data related to the performance of a pump; and provide corresponding signaling containing information about predicted maintenance needs of the pump on a real time basis based at least partly... Agent: Cidra Corporate Services Inc.

20120141302 - Oil pump system for automatic transmission: A hydraulic pump system for an automatic transmission has the advantages of preventing excessive power loss and durability deterioration. The hydraulic pump system may include a first hydraulic pump that generates a first hydraulic pressure to supply a low pressure portion with the first hydraulic pump, a second hydraulic pump... Agent: Hyundai Motor Company

20120141303 - Fluid control system: The present invention provides a fluid system (99) comprising a source of hydraulic fluid under pressure supplying a hydraulic fluid consumer (103) together with a valve passing fluid between said source and said fluid consumer (102). A first fluid compliance (105) is situated between said source (100) and said valve... Agent:

20120141304 - Pump housing for a hydraulic unit in a motor vehicle: A pump housing for a hydraulic unit in a motor vehicle, includes a body that is provided with openings for accommodating components of an associated pump. One of the external surfaces of the body is designed such that a motor can be mounted thereon. A cutting process is not used... Agent:

20120141305 - Stay rod for a high pressure oil field pump: A stay rod connects a power end to a fluid end of a high pressure well service pump where the pump has a pump motor face on a power end which is spaced apart from a joining face of a fluid end by the stay rods. The stay rods each... Agent:

20120141306 - 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: Carefusion 303, Inc.

20120141307 - Electric compressor: An electric compressor includes a compression mechanism, an electric motor for driving the compression mechanism, and a drive circuit for controlling the electric motor. The drive circuit includes an external connector made of an insulating material. The external connector has a connecting terminal that is constructed to be electrically connected... Agent: Kabushiki Kaisha Toyota Jidoshokki

20120141308 - Polymeric pump parts: Polymeric and polymeric composite parts for pumps and a method of manufacturing same are disclosed. More specifically, a valve insert comprising a polymeric seal sized to fit on an outside diameter of a valve closure member for a plunger pump; a pressure packing element ring for a plunger on a... Agent:

20120141309 - Pump with side inlet valve for improved functioning in an inverted container: A pump for use in an inverted dispenser is disclosed herein. In one embodiment, the liquid pump includes a fluid chamber that has a top portion when in the inverted position and at least one side wall located below the top portion. A liquid intake port extends through the at... Agent: Gojo Industries, Inc.

20120141310 - Sand plunger for downhole pump: A downhole pump has a barrel and plunger. The barrel has a first one-way valve and the plunger has a second done-way valve. The plunger reciprocates with respect to the barrel. The plunger has a first end which has a tapered leading edge. Ports are adjacent to the leading edge.... Agent:

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


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