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Pumps

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.
  
08/07/2014 > 25 patent applications in 22 patent subcategories.

20140219819 - Reciprocating positive displacement pump with electric reversing motor: A pump system comprises an electric motor, a pump, a converter and a controller. The electric motor has a rotational output shaft that is rotatable in a first rotational direction and an opposite second rotational direction. The pump has a linearly displaceable input shaft that is movable in a first... Agent: Graco Minnesota Inc.

20140219820 - Centrifugal compressor apparatus and method for preventing surge therein: There is provided a centrifugal compressor apparatus including a centrifugal compressor that centrifugally compresses a gas, an electric motor that rotatably drives the centrifugal compressor, a current detector that detects a drive current I of the electric motor, and an exhaust valve that discharges a compressed gas to a lower... Agent: Ihi Corporation

20140219821 - Dual control valve for reciprocating compressor unloader system: A continuous run controller for a dual control compressor system includes an integrated housing containing a pilot valve and a hydraulic unloader valve. Low pressure in the hydraulic oil system opens the hydraulic unloader valve such that the suction valve unloader assembly unloads the compressor. High pressure in an air... Agent:

20140219822 - Method and device for controlling a torque of an electric motor of an electro-hydraulic system: A method is used to control a torque of an electric motor of an electro-hydraulic system. The method includes selecting a value of a set point torque depending on a current pressure in a hydraulic circuit of the electro-hydraulic system. The method also includes determining a control signal for controlling... Agent: Robert Bosch Gmbh

20140219823 - Micropump: A micropump configured to control flow of an insulation fluid includes: a rectangular channel 370 configured to have a rectangular shape in which a movement passage of the insulation fluid; a planar electrode forming section 310 configured to be formed inside the rectangular channel and have a planar shape for... Agent: Postech Academy-industry Foundation

20140219827 - Cranked rod pump method: An improved apparatus and method are disclosed, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus... Agent: Unico, Inc.

20140219826 - Fuel system using dual pressure hi-speed centrifugal pump arrangement: An improved system for providing fuel uses a centrifugal pump arrangement that provides dual pressure. The dual pressure pump assembly includes a centrifugal pump for supplying pressurized fluid to an associated downstream use, and an auxiliary pump stage for selectively boosting pressure of delivered flow. The auxiliary pump stage in... Agent: Eaton Corporation

20140219825 - High temperature motor seal for artificial lift system: A thermal compensator for a motor seal, includes: a guide tube for receiving a shaft of the motor seal; a metallic bag disposed around the guide tube and having an expansion profile formed in at least a portion thereof to accommodate radial and circumferential expansion of the metallic bag; a... Agent: Oilfield Equipment Development Center Limited

20140219824 - Pump system and method thereof: A pump system includes a plurality of pump assemblies. Each pump assembly having a power assembly and a fluid assembly. Each power assembly of each pump assembly includes a crankshaft, an input connection, and an output connection. The input connection of one pump assembly among the plurality of pump assemblies... Agent: Baker Hughes Incorporated

20140219828 - Cyclonic debris evacuation apparatus and method for a pump: A method for removing a buildup of solid impurities on a barrel using a cyclonic debris evacuation assembly, the method comprising: capturing solid impurities between a cup component of said cyclonic debris evacuation assembly and the barrel in a groove positioned below the cup component; directing the solid impurities in... Agent:

20140219829 - Pressure detection device of liquid flow route: A pressure detection device of a liquid flow route is provided which detects a pressure of an arterial blood circuit consisting of a flexible tube, a portion of which is connected to a peristaitically-actuated tube that can cause an internal liquid to flow by being compressed in a radial direction... Agent: Nikkiso Company Limited

20140219830 - Compressors for natural gas and related devices, systems, and methods: A natural gas compressor can include a pre-staging chamber that couples with a supply line to receive natural gas from the supply line. The compressor can additionally include a first-stage chamber that couples with the supply line to receive natural gas from the supply line. The first-stage chamber can additionally... Agent: Go Natural Cng, LLC

20140219831 - Vacuum pump mounting structure: There is provided a vacuum pump mounting structure. A vacuum pump is connected to an axial end portion of a first cam shaft of an engine and is configured to be driven by the first cam shaft. The first cam shaft is disposed in a cylinder head. A cam housing... Agent: Suzuki Motor Corporation

20140219832 - Piston pump for a high-pressure cleaning appliance: The invention relates to a piston pump for a high-pressure cleaning appliance, including a plurality of pistons that are movable back and forth and each of which enters a pump chamber and is displaceably held at a piston guiding part. The piston guiding part has a supporting wall on which... Agent: Alfred K&#xe4 Rcher Gmbh & Co., Kg

20140219833 - Compressor: A compressor includes a closed container housing a compression element driven by the shaft of a motor. The compression element includes a first and second bearings supporting first and second shaft portions, and at least one cylinder having at least one cylinder chamber disposed between the first and second bearings.... Agent:

20140219834 - Blower fan: A lower plate includes a lower air inlet arranged radially outward of a bearing portion. In a plan view, a plane is divided into four regions by a first straight line which is parallel to an air outlet and crosses a central axis and a second straight line which is... Agent:

20140219835 - Centrifugal fan: A centrifugal fan includes a centrifugal impeller rotatable around an axis of rotation; a drive motor of the centrifugal impeller; a casing including a central portion for housing the motor and the centrifugal impeller and a tangential outlet channel in communication with the central portion. The casing has an inlet... Agent: Spal Automotive S.r.l.

20140219836 - Axial turbine with meridionally divided turbine housing: A statorless axial turbine for a turbocharger has a turbine housing assembly defining a meridionally divided scroll extending circumferentially and surrounding the turbine wheel, the meridionally divided scroll defining a first scroll extending substantially fully about the turbine wheel and a separate second scroll extending substantially fully about the turbine... Agent: Honeywell International Inc.

20140219837 - Battery pack assembly: A battery pack assembly includes a battery cell; a first case including a first surface support contacting a first surface of the battery cell and a first lateral surface support bent from the first surface support toward a lateral surface of the battery cell; a second case including a second... Agent:

20140219838 - Piezoelectric cooling fan: A piezoelectric cooling fan comprises a support frame and two piezoelectric actuators. Each piezoelectric actuator includes an electrical-conductive plate and a piezoelectric plate attached to the electrical-conductive plate, wherein an edge portion of the electrical-conductive plate is fixedly attached to a base of the support frame and approximately aligned with... Agent: Belltec Electronics Co., Ltd.

20140219839 - Power supply device of rotary compressor: Disclosed is a power supply device of a rotary compressor, and an electrical connector is installed at a casing of the rotary compressor for electrically connecting a motor installed inside the casing and an external power supply. A planar portion is disposed on a lateral side of the casing for... Agent: Rechi Precision Co., Ltd

20140219840 - Device for moving air: A device for moving air comprising a piezoelectric element attached to a planar body. The planar body is configured to oscillate at a movable end generating an airflow in response to applying alternating electric current to said piezoelectric element. The device further comprises a partial cavity defined by a base... Agent: Alcatel Lucent

20140219841 - Magnetic bearing device and vacuum pump: A predetermined timing is a timing at which the sampling timing is in a vicinity of a maximum peak position of the carrier wave signal and a timing at which the sampling timing is in a vicinity of a minimum peak position. The demodulation arithmetic section outputs, as the demodulation... Agent: Shimadzu Corporation

20140219842 - High pressure bellows assembly: A high pressure bellows assembly is disclosed herein. The high pressure bellows assembly includes a first bellows being reversibly expandable. The high pressure bellows assembly also includes a second bellows being reversibly expandable. The high pressure bellows assembly also includes a chamber including a first portion encircling the first bellows,... Agent: Alloy Bellows And Precision Welding, Inc.

20140219843 - Tubing pump: A configuration of a tubing pump capable of improving flow rate accuracy which is required, particularly, in infusion pumps for medical use is developed. In a tubing pump that delivers a liquid in a tube which is separately loaded, a pump mechanism includes a valve mechanism unit that occludes and... Agent: Namiki Precision Singapore Pte. Ltd.

  
07/31/2014 > 25 patent applications in 22 patent subcategories.
  
07/24/2014 > 18 patent applications in 16 patent subcategories.

20140205464 - Electric machine with improved cooling: The invention relates to an electric rotary machine including: a shaft of a rotor rotating about an axis, a fan carried by the shaft of the rotor, and a motor for driving the fan, allowing modulation of the relative rotational speed of the fan in relation to the shaft of... Agent: Moteurs Leroy-somer

20140205465 - Safety vacuum release system: Some embodiments of the invention provide a pumping system for at least one aquatic application. The pumping system includes a pump, a motor coupled to the pump, a user interface associated with the pump designed to receive input instructions from a user, and a controller in communication with the motor.... Agent:

20140205466 - Synchronized dual well variable stroke and variable speed pump down control with regenerative assist: A dual well pumping unit (12) has two hydraulic ram units (26), one for each well (preferably with each ram unit (26) having three hydraulic rams). Each hydraulic ram units is connected to first ram pump (18) and a second ram pump (20). The drive shaft (40) of the first... Agent:

20140205467 - Impeller position compensation using field oriented control: A centrifugal pump system having an impeller rotating with first and second magnetic structures on opposite surfaces. A levitation magnetic structure is disposed at a first end of a pump housing having a levitating magnetic field for axially attracting the first magnetic structure. A multiphase magnetic stator at a second... Agent: Thoratec Corporation

20140205469 - Pump and method of positioning a pump: The invention relates to a method of positioning a pump in a well in order to create artificial lift. The method involves frictionally engaging a portion of the pump with a portion of the well, such that the pump is retained in a starting position. In order to progress the... Agent: Downhole Energy Ltd

20140205468 - Transfer case utilizing an on-demand centrifugally governed hydraulic power supply to perform both range shift and on-demand four wheel drive: A control system (100) for an all-wheel-drive torque transfer case (102) coupling of a motor vehicle (104) including a power unit (130) having a centrifugally governed fluid pump (132) and a flow valve (134) movable between recirculation and diverter positions (134a, 134b). A control valve (136) located between the fluid... Agent:

20140205470 - Fan assembly: A bladeless fan assembly for creating an air current includes a nozzle mounted on a base housing a device for creating an air flow. The nozzle includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The nozzle defines, and extends about, an... Agent: Dyson Technology Limited

20140205471 - Determining top-dead-center (tdc) of reciprocating compressor: Various embodiments include approaches for determining a top-dead-center (TDC) of a reciprocating compressor. In some cases, an apparatus includes: a pressure transducer configured to measure pressure fluctuations inside a compressor cylinder and convert the pressure fluctuations into an asynchronous waveform; and at least one computing device operably connected with the... Agent: General Electric Company

20140205472 - Dual pump/dual bypass fuel pumping system: An example dual pump/dual bypass fuel pumping assembly may include a dual bypass valve including a first inlet port, a second inlet port, and a movable spool arranged to modulate fuel flow from the first inlet port to a first bypass port and a first discharge port and arranged to... Agent: General Electric Company

20140205473 - Pull pumps, refill units and dispensers for pull pumps: Dispensers, refill units and pumps are disclosed herein. The refill units include a container secured to a pump. Some exemplary refill units for dispensers include a container for holding a liquid and a post seal pump. As the post seal pump operates, a piston moves up and down over the... Agent: Gojo Industries, Inc.

20140205474 - Hydrogen storage container: A hydrogen storage container that stores hydrogen gas using a hydrogen storage material capable of storing hydrogen gas includes: a hollow liner that stores the hydrogen gas and includes a liner opening portion into which the hydrogen gas is introduced; a hollow sub-tank disposed inside the liner to house the... Agent:

20140205475 - Dual motor pump for subsea application: An apparatus includes a pump having a pump drive shaft for operating the pump, a first motor connected via a first flexible coupling to drive one end of the shaft and a second motor connected via a second flexible coupling to drive the opposite end of the shaft. The apparatus... Agent: Framo Engineering As

20140205476 - Electric fan: An electric fan is provided, including a labyrinth structure with increased performance of preventing entry of a liquid into a receiving space to receive a stator and a rotor. A clearance is defined between an opposed wall portion of a base and an opposed wall portion of an impeller body,... Agent: Sanyo Denki Co., Ltd.

20140205477 - Centrifugal pump, a shaft therefor and a sleeve for coupling the shaft of a centrifugal pump to a shaft of a drive motor: The present invention relates to a centrifugal pump, especially to a close coupled centrifugal pump. The centrifugal pump (10) comprises a shaft (18) coupled with the shaft (20) of the electric drive motor by means of a separate threaded coupling sleeve (24). The threaded coupling sleeve (24) is coupled with... Agent: Sulzer Pumpen Ag

20140205478 - Modular electric compressor including a built-in securing device: An electric compressor (7) includes a compression mechanism (3); an electric motor (2) driving the compression mechanism (3), the electric motor having an axis of rotation (X); and an electric motor (2) power supply inverter (1), the inverter (1) being mounted in an inverter housing (10). The compression mechanism (3)... Agent:

20140205479 - Portable fan: A battery-powered portable personal fan is described with reference to two embodiments, both of which comprise a two-part base, of which the upper part is provided with an elongate neck to which a ball-shaped motor housing is pivotally attached. The motor housing contains a motor having a drive shaft which... Agent:

20140205480 - Centrifugal pump: A centrifugal pump includes a main body casing. The main body casing includes an upper main body casing, a lower main body casing fixed to the upper main body casing, and a blade casing. In the blade casing, an interior space S1 formed by the upper main body casing and... Agent: Kabushiki Kaisha Saginomiya Seisakusho

20140205481 - Air assisted severance of viscous fluid stream: Methods and apparatus for dispensing flowable fluids, particularly those which are high viscosity by passing a stream of fluid through an elongate discharge passageway and injecting air into the fluid stream to initiate severing of the stream between an inner portion inward of the injected air and an outer portion... Agent:

  
07/17/2014 > 18 patent applications in 14 patent subcategories.

20140199178 - Site drainer: A liquid transfer device is disclosed that has a fluid pump enclosed within a rigid, space enclosing housing. The pump has a strainer with strainer openings that provide a fluid connection between the pump and the inside of the housing. The strainer is located at the lower end of the... Agent:

20140199179 - Hybrid magnetic suspension of a rotor: A hybrid magnetic suspension of a rotor (1) having compressor wheels (2, 3) having permanent magnets (104, 114) integral to shrunk fit rings (8, 18) arranged on the rotor (1) in the vicinity of the compressor wheels (2, 3), permanent magnets (124, 134) integral to stationary rings (23, 33) coaxially... Agent: Aktiebolaget Skf

20140199181 - Method for accurate and low-consumption mems micropump actuation and device for carrying out said method: The present invention describes the improvements due to alternated actuation cycles to reduce the delivery errors related to the pumping chamber elasticity, the actuator relaxation or hysteresis. The method actuates a pumping device with an optimal driving voltage profile, wherein the pumping device comprises a pumping chamber including a pumping... Agent: Debiotech S.a.

20140199180 - Universal pump component control and testing system and method: A system and method that provides an electronic controller module (ECM) that is bi-directionally communicable with a system monitor via a network to control and test pump components. Communication between the ECM and the system monitor may include receiving an operate command, receiving a report command, transmitting status, testing the... Agent:

20140199184 - Energy-saving pump and control system for the pump: An energy-saving pump and control system comprises: a pump body to receive steam from a steam generator; a steam transfer means for opening/closing a pipeline between the pump body and the steam generator; and a water supply means for opening/closing a pipeline between the pump body and a water usage... Agent:

20140199183 - Method and device for measuring and controlling amount of liquid pumped: The embodiments herein disclose a method and system for measuring and controlling an amount of flow and volume of liquid/fluid and/or electrical energy. The method and system obtains a plurality of values for the electrical parameters of an electro-pump, including voltage value, current value and active/reactive energy value; calculates the... Agent: Smart Water Metering Inc.

20140199182 - Reciprocating water pump: A reciprocating jetting water pump primarily for use on a vacuum truck is disclosed. The jetting water pump includes a pair of reciprocating pistons that are each movable within an outer cylinder mounted to a center block. The outer surface of each of the pistons includes a polymer surface that... Agent: Super Products LLC

20140199185 - Fan: A fan assembly for generating an air flow within a room includes a casing having a plurality of inlet sections and an outlet section for receiving air from the inlet sections. Each inlet section has an air inlet, an impeller and a motor for driving the impeller to draw an... Agent: Dyson Technology Limited

20140199186 - Fan: A fan assembly for generating an air flow within a room includes a casing having a plurality of inlet sections and an outlet section for receiving air from the inlet sections. Each inlet section has an air inlet, an impeller and a motor for driving the impeller to draw an... Agent: Dyson Technology Limited

20140199187 - Hydraulic piston pump with throttle control: A pump system has a piston pump. The piston pump has a cylinder block with an inlet port, an outlet port, and a plurality of cylinders. Each cylinder in the plurality of cylinders is connected to the inlet port by an inlet passage and to the outlet port by an... Agent: Husco International, Inc.

20140199188 - Diaphragm pump with muffler-mounted sensor: Illustrative embodiments of diaphragm pumps including a muffler-mounted sensor are disclosed. In one illustrative embodiment, a diaphragm pump includes a shaft coupled to at least one diaphragm, an exhaust chamber configured to receive a motive fluid that has driven reciprocation of the at least one diaphragm and the shaft, a... Agent: Ingersoll-rand Company

20140199189 - Bearing apparatus, motor, and blower fan: A bearing apparatus according to a preferred embodiment of the present invention includes a bearing portion having a bottom and being substantially cylindrical; a shaft inserted in the bearing portion, and arranged to rotate about a central axis relative to the bearing portion; a bearing opposing portion defined in one... Agent:

20140199190 - Integrated foot pedal control system for hydraulic power take-off assembly for atv: An integrated foot-operated pump control system for a variable-flow hydraulic power take-off assembly for use with an ATV. The integrated foot-operated pump control system simplifies installation, removal, and re-installation of the hydraulic power take-off assembly, eliminates hand fatigue, and enhances safety. The integrated foot-operated pump control system is embodied in... Agent: Promanpto, LLC

20140199191 - Fan motor with anti-dirt sticking function and apparatus having fan motor: A fan motor including a stator; a rotor having a cylindrical part arranged around the stator and a plurality of blades sticking out from an outer periphery of the cylindrical part to a radial direction, the rotor rotating about an axial line to blow a gas; and a housing having... Agent: Fanuc Corporation

20140199192 - Fuel injection pump: The present invention provides a fuel injection pump which pressurizes and discharges fuel that is drawn in a low-pressure state, the fuel injection pump including a pump housing having a valve holder in which an inlet valve, an outlet valve, and a relief valve are arranged in an interior and... Agent: Toyota Jidosha Kabushiki Kaisha

20140199193 - Blood treatment systems and methods: The present invention generally relates to hemodialysis and similar dialysis systems, including a variety of systems and methods that would make hemodialysis more efficient, easier, and/or more affordable. One aspect of the invention is generally directed to new fluid circuits for fluid flow. According to one aspect, a blood pump... Agent: Deka Products Limited Partnership

20140199194 - Fuel pump: Provided is a fuel pump comprising: a pump body; a plunger reciprocatably displaceable with respect to the pump body; and a plurality of valve elements inclusive of a suction valve to allow the fuel to be sucked into the fuel pressurizing chamber and a discharge valve to allow the fuel... Agent: Toyota Jidosha Kabushiki Kaisha

20140199195 - Cylinder assembly and dispenser pump using the same: The coupling mechanism includes a first coupling piece disposed on the first body and a second coupling piece disposed on the second body and is used for detachably coupling the first and second bodies. The valve is located in an aperture of the ring, the elastomer flexibly supports the valve... Agent:

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


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