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Pumps March listing by industry category 03/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
03/26/2009 > patent applications in patent subcategories.

20090081049 - Linear compressor controller: A control for a linear compressor energises the linear motor in harmony with the present natural frequency of the compressor. The controller monitors the present operating frequency and compares the frequency with one or more outer limit thresholds. The control may remove power from the linear motor if the running... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20090081050 - Pump system: A pump system for a pressure sewer system, comprising a pump, a cutter and an electric motor configured to drive the pump and the cutter; the pump system comprises a current sensor that measures the electric current provided to the motor and the controller stops the operation of the motor... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090081051 - Monitoring system: There is disclosed a monitoring system for monitoring alignment of a piston rod assembly of a reciprocating pump, such as those used to pump drilling mud in the oil and gas exploration and production industry. In one embodiment, a monitoring system is disclosed which is for a reciprocating pump (10)... Agent: Lundeen & Lundeen, PLLC

20090081052 - Variable displacement pump: A variable displacement pump includes: a pump body; a rotor; a cam ring; inlet and outlet ports; first and second fluid pressure chambers; a metering orifice provided in a discharge passage connected with the outlet port; a pressure regulating section arranged to regulate the pressure introduced into the first or... Agent: Foley And Lardner LLP Suite 500

20090081053 - Two-stage rotary compressor: A two-stage rotary compressor includes a sealed cylindrical compressor housing that includes first, second and third communication holes separately arranged sequentially in an axial direction on an outer peripheral wall, an accumulator held on an outer side of the housing, a low-pressure connecting pipe that connects a bottom communication hole... Agent: Mcdermott Will & Emery LLP

20090081054 - Structure of discharging refrigerant for linear compressor: The present invention discloses a linear compressor in which a piston is linearly reciprocated inside a cylinder, for sicking a refrigerant into a compression space between the piston and the cylinder, and compressing and discharging the refrigerant, and especially, a structure of discharging the refrigerant for the linear compressor which... Agent: Mckenna Long & Aldridge LLP

20090081055 - Wave powered pumping apparatus: An apparatus is disclosed for an improved float type wave powered pump that uses the continuous rising and falling wave action in a body of water to pump a fluid. The pump includes piston and cylinder assemblies that are configured for relative reciprocal movement therebetween. One of the assemblies is... Agent: Hovey Williams LLP

20090081056 - Molecular pump and flange: A shock absorbing structure for consuming shock energy is provided on the flange of a molecular pump. An insertion hole is provided in the flange, and a shock absorbing member formed by an independent and small part is fitted and fixed in this insertion hole. A bolt hole is provided... Agent: Bruce L Adams Adams & Wilks

20090081057 - Turbocharger: A turbocharger includes a housing, and a turbine shaft supported in a center hole in the housing through rolling bearings. A tank portion for storing lubrication oil is formed in the housing, and the lubricating oil is supplied from the tank portion to the rolling bearings through wick members extending... Agent: Mcginn Intellectual Property Law Group, PLLC

20090081058 - Electromagnetic reciprocating fluid device: It is an object of the present invention, in an electromagnetic reciprocating fluid device in which a movable member is equipped with permanent magnets, to resist a torque rotating the movable member about an axis thereof in the reciprocating direction. The electromagnetic reciprocating fluid device has a pair of electromagnets... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090081059 - Pump: A pump includes an impeller for sucking and discharging liquid, a pump case having a suction port and a discharge port through which the liquid is sucked and discharged, and a partition cooperating with the pump case to form a pump chamber in which the impeller is rotatably received. The... Agent: Bacon & Thomas, PLLC

20090081060 - Compressor: A compressor having a cylinder bore where fluid is compressed, a valve plate for partitioning the cylinder bore and a suction chamber, a suction hole provided in the valve plate and communicating the cylinder bore and the suction chamber, and a suction reed valve for opening and closing the suction... Agent: Baker Botts LLP C/o Intellectual Property Department

03/19/2009 > patent applications in patent subcategories.

20090074590 - Vehicle control apparatus: A vehicle control apparatus includes an input member; a driving force transmission mechanism that transmits a rotational driving force of the input member to an output member; a mechanical pump that operates by using the rotational driving force of the input member; an electric pump that operates when a rotational... Agent: Oliff & Berridge, PLC

20090074591 - High pressure radial pump: A pump (100) includes a pump block (102) including a heater (140), a middle block member (120) and an upper block member (122). Cylinder sleeves (130) are disposed between the middle and upper block members, and a piston assembly (160) is disposed in the block with pistons (162) reciprocatingly disposed... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20090074592 - Compressor and method for operating the same: A compressor comprises a suction passage; an oil reservoir for storing a lubricating oil which is separated from a refrigerant gas having a discharge pressure; and a throttle valve provided in the suction passage and having a valve body for adjusting an opening degree of the suction passage based on... Agent: Morgan & Finnegan, L.L.P.

20090074593 - Apparatus for preventing vacuum of scroll compressor: An apparatus for preventing vacuum of a scroll compressor, comprising: a fixed scroll having a bypass hole through which a suction chamber of a casing is connected to a discharge chamber of the casing; a valve block having an inner channel through which the bypass hole of the fixed scroll... Agent: Ked & Associates, LLP

20090074594 - Arrangement with a ventilator and a pump: A compact arrangement features a fan (42′), a fluid pump (134), and an electric drive motor (106). The latter has a stator (22) having a stator winding (118) that is configured to generate a rotating field. The stator (22) has associated with it a permanent-magnet external rotor (106) for driving... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20090074595 - Miniaturized liquid cooling device having droplet generator and pizeoelectric micropump: A miniaturized liquid cooling device (200) includes a heat absorber (20), a heat dissipater (30), a liquid driving device and a plurality of tubes (60) connecting the heat absorber, the heat dissipater and the liquid driving device together to form a loop. The liquid driving device includes a droplet generator... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090074596 - Small ozone gas-water mixing pump: The present invention provides a small ozone gas-water mixing pump. The rotation of the leaves drives water to produce intense turbulence vortex, and the bubbles in the water are torn up producing more and smaller bubbles, so that the gas-water contacting area is enlarged, and the ozone is efficiently dissolved... Agent: David And Raymond Patent Firm

20090074597 - Roller pump: The invention relates to a roller pump which comprises an abutment (31, 52), at least one roller (51) and a casing (2, 3, 6). A pump hose (42) is squeezed between the roller (51) and the abutment (31, 52). A hinge (5) connects the abutment (31, 52) and the casing... Agent: Law Offices Of Clement Cheng

03/12/2009 > patent applications in patent subcategories.

20090068024 - Progressing cavity pump with heat management system: A progressing cavity pump heat management system including a progressing cavity pump and a controller. The controller is configured to receive data relating to the temperature of materials exiting the pump and the differential pressure across the pump to determine whether corrective action is required. The controller is configured such... Agent: Thompson Hine L.L.P. Intellectual Property Group

20090068025 - Intelligent controller for refrigerating and air conditioning systems: An intelligent controller (68) , adapted for regulating operation of either a refrigeration system or an air conditioning system (20) , receives an output electrical signal produced by a pressure sensor (72, 74, 76, 78) included in the system (20) . Responsive to the received electrical signal, the intelligent controller... Agent: Donald E. Schreber A Professional Corporation

20090068026 - Downhole pump: An apparatus for pumping fluids from a geologic formation comprising a submersible motor having a motor shaft, wherein said submersible motor is reversible and has a plurality of speed settings; a pump housing connected to said submersible motor by a motor mount, wherein said pump housing has a lubricant contained... Agent: Law Firm

20090068027 - Reciprocating fluid machine: A reciprocating fluid machine includes a cylinder block (18) arranged inside a casing shell (16) and having cylinder bores (38), a cylinder head (54) fastened to the casing shell (16), a valve plate (50) interposed between the cylinder block (18) and the cylinder head (54) each with a gasket (46,... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090068028 - Compressor muffler: A compressor has first and second enmeshed rotors rotating about first and second axes to pump refrigerant to a discharge plenum. The compressor includes a muffler system comprising a sound absorbing first element and a sound absorbing second element. The second element at least partially surrounds the first element and... Agent: Bachman & Lapointe, P.C. (utc)

20090068029 - Refrigerant compressor: A hermetically encapsulated refrigerant compressor, comprising a hermetically sealed compressor housing, in the interior of which a piston-cylinder unit works which compresses a refrigerant, whose cylinder housing (3) is sealed by means of a valve plate (16) comprising a pressure bore (25) and an intake bore (15), and an intake... Agent: Collard & Roe, P.C.

20090068030 - Hermetically enclosed refrigerant compressor arrangement: The invention concerns a hermetically enclosed refrigerant compressor arrangement (1) having a hermetically tight enclosure (2), a unit (7) comprising an electrical motor (8) with stator (14) and rotor (15) and a compressor (9) with cylinder head cover (48), and springs (10-12) fixed on the unit (7) via first spring... Agent: Mccormick, Paulding & Huber LLP

20090068031 - Pump assembly: A technique facilitates the pumping of fluids in a well related application while minimizing the number of system components. The system and methodology comprise a plurality of pumps for use at a well site to deliver a well treatment fluid to a desired location. A single driveline is coupled between... Agent: Schlumberger Technology Corporation David Cate

20090068032 - Sanitary diaphragm pump for critical bioprocess applications: An easily cleaned and/or sterilized fluid pumping assembly including a first pump housing including a first inner chamber. The first pump housing includes a fluid access port adapted to provide fluid communication between an outside of the first pump housing and the first inner chamber. Also, included is a second... Agent: Hoffmann & Baron, LLP

20090068033 - Fan driven by tip turbine: At the time of an operation, high-pressure air 8 fed through an inlet 6 passes a stator vane 4 within a duct 15, so as to adjust its flow, and is supplied to a tip turbine rotor vane 3. The tip turbine rotor vane 3 is supplied with the high-pressure... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090068036 - Compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray use: The present invention provides a “compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray use” that comprises a hollow tubular air discharge assembly, having a plunger body and compressed spring disposed therein as well as a air passage pierced at the wall of the water exit... Agent: Bacon & Thomas, PLLC

20090068034 - Pumping system with precise ratio output: A precision pumping system is disclosed. The pumping system includes an electric motor assembly powering a first drive shaft driving a first pump at a first flow rate and powering a second drive shaft driving a second pump at a second flow rate. A proportioned fluid output includes a first... Agent: Crompton, Seager & Tufte, LLC

20090068035 - Refrigerant compressor arrangement: The invention concerns a refrigerant compressor arrangement (1) with a compressor block (21) comprising a compressor unit (9) with a cylinder formed in the compressor block, and with a motor (8) having a stator (12) and a rotor (13), the rotor being unrotatably connected to a drive shaft (31) driving... Agent: Mccormick, Paulding & Huber LLP

20090068037 - Hermetically sealed motor lead tube: An electrical submersible pump assembly has a motor cooperatively engaged with a pump for driving the pump and a motor lead extending to the motor for supplying power to the motor. The motor lead has an electrical conductor enclosed within a tube. The tube is sealed from an exterior environment... Agent: Bracewell & Giuliani LLP

20090068038 - Pump: A pump includes a cylinder including at least one upper aperture and lower aperture. A piston is movable in the cylinder. A rod is connected to the piston. A ring is provided around the rod and fit in the cylinder. An upper collar is formed with at least one countersink... Agent: Dr. Banger Shia

20090068039 - Piston pump: A piston pump is proposed, having a pump housing, in which housing a pump piston is guided axially movably, so that upon an actuation of the pump piston, a fluid is pumped from an intake side to a compression side, via a pump chamber bordering on the pump piston, the... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090068040 - Five-bar compressor: The invention is a 180° reciprocating piston compressor comprising additional eccentric disc linkage between the crankpin and the connecting rod. The additional linkage lessens the compression above the piston during start-up and limits the electrical motor shaft load at design operating conditions lowering the starting current surge when bringing the... Agent: Douglas A. Mann

20090068041 - Low back-flow pulsation fuel injection pump: A fuel pump assembly includes a pump bushing defining a dual-chambered pumping cavity, a fluid channel for shuttling fuel between the chambers, a plunger, and a plurality of fluid control valves. A first check valve is a pressure relief valve in fluid communication with an outlet of the pump bushing... Agent: Quinn Law Group, PLLC

20090068042 - Cyclonic, debris removing valve and method: There is provided, in one embodiment, a ball valve for regulating the flow of petroleum fluids therethrough. The ball valve is capable of transitioning between an open and a closed position. The ball valve includes in one embodiment a hydraulic piston, containment union, ported stem, containment cage and drag plunger,... Agent: Weiss & Moy PC

03/05/2009 > patent applications in patent subcategories.

20090060749 - Molded plug for a compressor: A plug assembly for a compressor having a shell, a terminal body on the shell, and a conductor pin extending through the terminal body, wherein a connector body of the plug assembly includes a plurality of electrical receptacles for electrical communication with the conductor pin at least partially disposed within... Agent: Harness, Dickey & Pierce, P.L.C

20090060750 - Fluid transportation device: A fluid transportation device includes a valve seat, a valve cap, a valve membrane, multiple buffer chambers, a vibration film and an actuator. The valve membrane is arranged between the valve seat and the valve cap, and includes several hollow-types valve switches, which includes at least a first valve switch... Agent: Bacon & Thomas, PLLC

20090060751 - Solid state sump pump control: The present invention provides a sump pump control system. The system includes a mounting fixture fabricated from a corrosion resistant material, and an electrical control comprising solid state electrical components supported by the mounting fixture. The sump pump control system also includes a diving bell cover. The diving bell cover... Agent: Baker, Donelson, Bearman, Caldwell & Berkowitz, PC

20090060752 - Constant pressure pressurizing water pump: A water pressurizing pump includes a pump mounted in a compartment of a water tank for pressurizing and outputting water. The compartment is sealed by a cover having a first channel in communication between the compartment and a water supply coupler and a second channel having an end in communication... Agent: Dr. Banger Shia Int''l Patent Office Of Bang Shia

20090060753 - Self-adaptive piston blood pump: The present invention provides a self-adjusting fluid pump that includes a piston pump containing at least one piston with a pressure sensor. The fluid pump also includes at least one fluid-containing pump chamber within the piston pump, adjacent to said piston, wherein advancing the piston causes fluid to flow from... Agent: Carstens & Cahoon, LLP

20090060754 - Hybrid compressor: A hybrid compressor has a first compression mechanism driven only by an external drive source; a second compression mechanism driven only by a built-in electric motor; suction paths for sucking gas to be compressed into the first compression mechanism; communication paths for sucking the gas from the first compression mechanism... Agent: Baker Botts LLP C/o Intellectual Property Department

20090060755 - Micropump: A micropump that includes: a tube frame including an elastic tube, and a tube guide groove for attachment of the tube in the form of an arc; a cam drive wheel whose rotation center is the same as an arc center of the tube guide groove, and moves in response... Agent: Harness, Dickey & Pierce, P.L.C

20090060756 - Two-chamber blood pump: The present invention provides a fluid pump for medical applications. The invention comprises a flexible cassette containing two pump chambers, wherein the first pump chamber is larger than the second pump chamber. The pump includes two pistons, one for each pump chamber. The first piston pushes fluid from the first... Agent: Carstens & Cahoon, LLP

20090060757 - Swash ring compressor: A variable displacement compressor is disclosed. The compressor includes a crankcase for receiving a fluid. The crankcase has a plurality of compression chambers in which the fluid is compressed. A plurality of pistons disposed within the crankcase and are configured for reciprocal movement within the plurality of chambers to compress... Agent: Fraser Clemens Martin & Miller LLC

20090060758 - Fluid machine with radial cylinders: The fluid machine with radial cylinders comprises cylinders (9) fixed with respect to the body (20) wherein the cylinders are peripherally spaced in the rotation plane of a crank (2) rotating with a driving shaft (1) of the machine; elements (12) distributing the fluid; it comprises, moreover, a piston (4,... Agent: Mcginn Intellectual Property Law Group, PLLC

20090060759 - Compressor sound suppression: A compressor has first and second enmeshed rotors: rotating about first and second axes. The first rotor is supported by a bearing system carried by a bearing case. The bearing case has at least a first port to a discharge plenum. A first sound-absorbing material is positioned within the first... Agent: Bachman & Lapointe, P.C. (utc)

20090060760 - Diaphragm pump: A diaphragm pump includes: a volume changing member which changes the volume of a fluid chamber; a diaphragm member fixed in a stretched state and arranged separate from the fluid chamber, the diaphragm member having a pair of electrodes and a stretch film formed of dielectric elastomer, and the diaphragm... Agent: Oliff & Berridge, PLC

20090060761 - Brushless electric motor and electric pump: The invention relates to a brushless electric motor with a rotor assembled with permanent magnets, a stator performed with coils, at least one magnetic field sensor for sensing the actual position of the rotor, and with a control circuit for supplying the coils of the stator with current in due... Agent: Sughrue Mion, PLLC

20090060762 - High-voltage driver and piezoelectric pump with built-in driver: A digital waveform generating circuit having a DC voltage as an input and generating a sinusoidal digital signal, an active filter extracting low-frequency components from the sinusoidal digital signal generated in the digital waveform generating circuit, and a high-voltage control circuit generating a high-voltage drive signal using the sinusoidal digital... Agent: Osha Liang L.L.P.

20090060763 - Mounting flange, pump having mounting flange and mold for mounting flange: d

20090060764 - Medical pump: Medical pumps for water jet surgery are known. The invention relates to a pump comprising at least two pistons provided with piston rods for displacing the pistons in cylinders and for coupling to a pump actuation device, a cylinder head for closing the cylinders, and valve means for respectively connecting... Agent: Dickstein Shapiro LLP

20090060765 - Axial piston pump, and power transmission device with axial piston pump: An axial piston pump has: a cylinder body that forms therein a cylinder chamber extending in an axial direction of a drive shaft and rotates integrally with a driven shaft; a piston that reciprocates in the axial direction of the drive shaft; and a cam device that rotates integrally with... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090060766 - Adjustable length bicycle mountable hand pump: An adjustable length bicycle mountable hand pump. The pump includes a barrel having an internal cylinder within which a piston is reciprocatingly moveable. A piston rod connects to a piston at a proximal end and to a handle at a distal end. The handle is selectively, longitudinally, adjustably lockable relative... Agent: Patent Department Larkin, Hoffman, Daly & Lindgren, Ltd.

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


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