Pumps inventions 11/07

20070274841 - Passive adsorption microvacuum pump and microsystem containing the same: A micro-absorption pump can be used to form microsystems with microdevices such as a mass spectrometer, micro chromatograph, micro crack sensing devices which can be used in microcrack detection of large aeroplane and other structures and chemical or gas sensing lab-on-chip devices, which need evacuation prior to their use. The... Agent: Flynn Thiel Boutell & Tanis, P.C.

20070274842 - Subsea multiphase pumping systems: In subsea multiphase pumping systems, the use of a gas-liquid cylindrical cyclone (GLCC) as a separator to recirculate liquid from pump discharge to pump suction, especially during high gas inlet conditions from a multiphase petroleum stream. Further contemplated is protection of the pump from momentary high gas inlet conditions due... Agent: Reed Smith LLP

20070274839 - Relay pumping controller: A method and apparatus are disclosed for controlling a relay pumping setup comprising an upstream pumping unit for pumping a liquid into a relay reservoir and a downstream pumping unit for pumping from said relay reservoir to a given location, the method comprising receiving a relay reservoir liquid level indication... Agent: Ip Legal Department Tyco Fire & Security Services

20070274840 - Magnetohydrodynamic pump: A MHD pump, in an example embodiment, includes a fluid channel, an electrode pair that generates an electric field in the fluid channel, and an electromagnet that generates a magnetic field, the magnetic field lines of which intersect the electric field lines of the electric field. The fluid channel is... Agent: Harness, Dickey & Pierce, P.L.C

20070274843 - System for detecting the status of a vent associated with a fluid supply upstream of an infusion pump: A system and method for determining whether the pressure in a fluid line upstream of an infusion pump is becoming lower as pumping draws fluid from the fluid line and fluid container due to a lack of proper venting. An initial pressure is sensed by an upstream pressure sensor at... Agent: Fulwider Patton LLP

20070274844 - Process and device for generating signals which can be transmitted in a well: In a process for generating signals which can be transmitted from above ground to a receiver located below ground in a well, the volume flow of a fluid pump (1) arranged above ground, which conveys fluid from a fluid tank (8) through the interior of a drill string to the... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070274845 - Fluid storage and dispensing system: Fluid storage and dispensing system comprising a pressure vessel having a moveable partition member dividing the interior into first and second variable volumes. The first variable volume has a first passage adapted for the inflow and outflow of a product fluid and the second variable volume has a second passage... Agent: Air Products And Chemicals, Inc. Patent Department

20070274846 - Fuel pump: Disclosed is a fuel pump which is embodied as a side channel pump and is used for conveying fuel into a fuel reservoir of a motor vehicle, and in which a partially annular duct (13) that extends to a discharge duct (8) is configured in a continually expanding manner. A... Agent: Hanley, Flight & Zimmerman, LLC

20070274847 - Cylinder-piston arrangement: A sealing arrangement which is designed for a cylinder-piston arrangement of a reciprocating piston vacuum pump for sealing a gap between a cylinder wall and a piston displaceable in the cylinder, includes at least one L-shaped annular seal having one of its leg secured on the piston for providing a... Agent: Abelman, Frayne & Schwab

20070274848 - Motor-pump assembly: The invention relates to a motor-pump assembly having an electric motor, which has a rotor and a stator, and having a pump, which pumps a liquid or a gas or a different pump medium. The pump is in driven connection with the rotor of the electric motor. The electric motor... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070274849 - Capsule for two downhole pump modules: Upstream and downstream pump assemblies are mounted in a capsule having a bulkhead between the upstream and downstream pump assemblies, dividing the capsule into upstream and downstream chambers sealed from each other. In a dual operation mode, well fluid flows through the inlet of the capsule into the upstream chamber,... Agent: Bracewell & Giuliani LLP

20070274850 - Drive device for a dual-cylinder slurry pump and method for operating said pump: The invention relates to a method for operating a drive device for a dual-cylinder slurry pump and to a drive device for a dual-cylinder slurry pump, comprising two drive cylinders that are actuated by means of a fluid (1, 2), said cylinders alternately charging a common delivery line with slurry,... Agent: Warner Norcross & Judd LLP

20070269317 - Natural gas compressor and a system for operating the same: A power engine natural gas compressor system to optimize the extraction of natural gas from a reservoir and related gathering systems. The system is controlled by a distributed control system, which is a computer readable program, and allows for humane machine interface allowing for a more efficient use of the... Agent: Frommer Lawrence & Haug

20070269318 - Mounting bracket for handheld tool: A compressor includes a pump and a mounting bracket attached to the pump. A handheld pneumatic tool is configured to be powered by the compressor. It is further configured to be captured by the bracket and to require the tool to be rotated in order to remove the tool from... Agent: Patent Group 2n Jones Day

20070269319 - Refrigerant gas compressor: A refrigerant gas compressor includes a cylinder block formed with plural cylinder bores, a first housing disposed at the one end of the cylinder block, a second housing disposed at the other end of the cylinder block, a drive shaft supported by the cylinder block and one of the housings,... Agent: Knoble, Yoshida & Dunleavy

20070269320 - Fuel pump: An air exhaust port having a channel area s satisfying s≧0.07 mm2 is provided in a lower channel including the terminal of a pump channel, and an air exhaust valve mechanism that opens the valve when the pump is started to exhaust intake air and closes the valve as soon... Agent: Sughrue Mion, PLLC

20070269321 - Compact vacuum pump: A vacuum pump capable of pumping solid, liquid and gas, or any combination thereof, including a drive (40) and a manually disengageable pumping system connected thereto. The pumping system is composed of a two- or three-chambered canister (1, 18, 21) within which solids, liquids, and gases can be separated from... Agent: Nath & Associates

20070269322 - Low power electromagnetic pump: An electromagnetic pump comprising an armature comprising a pole portion and plunger portion, the plunger portion sized to be received in a cylindrical passage formed in the housing and which guides the armature. The pump further comprises an electromagnet operatively associated with the armature, and the pump is driven during... Agent: Henricks Slavin And Holmes, LLP Advanced Bionics Corporation

20070269323 - Miniature high speed compressor having embedded permanent magnet motor: A high speed centrifugal compressor for compressing fluids includes a permanent magnet synchronous motor (PMSM) having a hollow shaft, the being supported on its ends by ball bearing comprising supports. A permanent magnet core is embedded inside the shaft. A stator with a winding is located radially outward of the... Agent: Akerman Senterfitt

20070269324 - Finger-type peristaltic pump: The invention provides a finger-type peristaltic pump (2) having a body (4) and a housing (6). The body contains two or more finger-type valves (16) and a processor (22) configured to operate the valves according to a predetermined temporo-spatial pattern. The housing has a passageway (18) configured to receive a... Agent: Welsh & Katz, Ltd

20070264131 - Variable displacement compressor: A variable displacement compressor comprises a flange, a movable body, and a detection sensor. The flange is joined to a housing and forms a flange passage for connecting a refrigerant passage and an external refrigerant circuit. The movable body is movably disposed in the flange, is movable according to a... Agent: Morgan & Finnegan, L.L.P.

20070264129 - Rollable pumping apparatus: A rollable pumping apparatus includes a collection vessel (4), an electrically operated delivery system (18) having a pumping device (20), a feed conduit connection member (22) and a delivery conduit connection member (24), through which liquid is fed into and is delivered out of the collection vessel (4), with the... Agent: Abelman, Frayne & Schwab

20070264130 - Infusion pumps and methods for use: Infusion pump device and methods allow for determination of volumes and flow rates of fluids delivered. Determination is accomplished without direct measurement of either the fluid or flow rate, but by measuring pressure differentials of abutting chambers. The ideal gas law is used to calculate of the volumes and flow... Agent: Greenberg Traurig LLP (la)

20070264132 - Pump drive alignment apparatus and method: A pump drive alignment apparatus and method includes a unitary adapter rigidly connecting a motor/gear box assembly to a pump assembly, providing alignment of the motor/gear box output shaft with the pump input shaft.... Agent: Baker & Hostetler LLP

20070264133 - Thermal management system for turbofan engines: A heat exchange system for use in operating equipment in which a working fluid is utilized needing a heat exchange system to provide air and working fluid heat exchanges to cool the working fluid at selectively variable rates in airstreams. The system comprises a plurality of heat exchangers including a... Agent: Kinney & Lange, P.A.

20070264134 - Control valve for variable displacement compressor: To provide a control valve for variable displacement compressor employing ON/OFF control, which is capable of taking measures for occurrence of an abnormally high pressure. When a solenoid is OFF, a spring causes a movable core to move a stopper in a direction away from a stationary core and to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070264135 - Drain valve assembly for use in an air compressor system: The present air compressor system includes an inlet connected to a compression stage, a cooling stage having an inlet connected to an outlet of the compression stage and having an outlet passage; a drain valve having an liquid inlet in and adjacent a bottom of the outlet passage of the... Agent: Barnes & Thornburg LLP

20070264136 - Reciprocating piston machine: A reciprocating piston machine, such as an air-conditioning compressor for motor vehicles, including a pivot ring and a guide sleeve that is provided axially slidably on a drive shaft and is provided with radially projecting bearing sleeves. The pivot ring and the guide sleeve are interconnected by pins so as... Agent: Davidson, Davidson & Kappel, LLC

20070264137 - Hermetic compressor: Disclosed is a hermetic compressor capable of reducing the number of parts and increasing working efficiency in the assembling process. The hermetic compressor includes a cylinder block having a compression chamber, and an assembly having a main body that includes an intake hole through which a refrigerant is drawn into... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070264138 - Self-contained multi-sprayer: A pressure sprayer includes an accumulator vessel adapted to hold a pressurized fluid therein and a container that is configured to hold a chemical concentrate. A motor in fluid communication with the accumulator vessel and the container is adapted to be driven by the pressurized fluid and to pump the... Agent: S.c. Johnson & Son, Inc.

20070264139 - Air compressor having stabilized structure: An air compressor includes a supporting base having a plate, a cylinder housing attached to the plate and having a chamber and an outlet tube communicating with the chamber of the cylinder housing for receiving pressurized air from the cylinder housing. A piston is slidably received in the cylinder housing,... Agent: Charles E. Baxley, Esq.

20070264140 - Air compressor having improved valve device: An air compressor includes a cylinder housing having an outlet tube, a piston slidably received in the cylinder housing and having a piston rod and an air passage, and a motor coupled to the piston for moving the piston relative to the cylinder housing in a reciprocating action, in order... Agent: Charles E. Baxley, Esq.

20070264141 - Air compressor having improved valve device: An air compressor includes a cylinder housing, a piston moved to slide in the cylinder housing in a reciprocating action to generate pressurized air, and a sealing ring engaged into the piston and having an outer peripheral channel formed in an upper portion to form an outer peripheral rib, the... Agent: Charles E. Baxley, Esq.

20070264143 - Pump for providing three modes of pumping: A pump includes a base and a cylinder installed on the base. The base defines a pumping channel. The cylinder defines a first chamber and a second chamber with a diameter different from that of the first chamber. The first and second chambers are in communication with the pumping channel.... Agent: Kamrath & Associates P.A.

20070264142 - Pumping and sucking apparatus: A pumping and sucking apparatus includes a cylinder, a piston movable in the cylinder, a head formed on the cylinder and a valve set positioned in the head. The cylinder defines a space. The head defining a space in communication with the space of the cylinder, a first aperture in... Agent: Kamrath & Associates P.A.

20070258827 - Sump pump system: A programmed microcontroller based sump pump system includes multiple pumps that can be employed with one as a primary pump and one as a back-up, or can be employed in combination to increase the discharge rate. The microcontroller monitors the back-up battery condition, and computes and displays the battery life;... Agent: Douglas B. White

20070258828 - Method and device for compressing a gaseous medium: A method and device for compressing a gaseous medium, specifically hydrogen, is disclosed. Compression of the gaseous medium takes place by way of a fluid, where a fluid is used in which the gaseous medium is not soluble and/or can be separated residue-free from the gaseous medium. An ionic fluid,... Agent: Crowell & Moring LLP Intellectual Property Group

20070258829 - Peristaltic pump: A pump for circulating a medium comprising an elastically deformable hose against a pressing surface, and a medium inlet and a medium outlet; pressing elements that move along the hose and press the hose against a pressing surface thereby closing the hose. The pressing surface comprises an infeed part having... Agent: The Webb Law Firm, P.C.

20070258830 - pump: A pump and pumping method are described. The pump (1) includes a pump body (10) in which a heating element (11) is located. Heating of gas in the pump body (10) by the heating element (11) and subsequent cooling of gas in the pump body (10) draws liquid into the... Agent: Michael Best & Friedrich LLP

20070258831 - Single stage to two stage compressor: A compressor includes a cylinder having major and minor compression chambers. The major compression chamber includes an ambient intake and an outlet which can be directed either to the intake of the minor chamber or directly to a holding tank. The outlet from the minor chamber is likewise directed to... Agent: Wood, Herron & Evans, LLP

20070258832 - Fluid-working machine with displacement control: A fluid-working machine has working chambers (4), each of which is connected to a fluid commutating means (2) which alternately connects the working chamber to either of two fluid manifolds (A, B). An electronically controlled valve (1) is inserted into the flow path between each chamber (4) and the commutating... Agent: Dann, Dorfman, Herrell & Skillman

20070258833 - Disguised air displacement device: A portable air displacement device having one or more aesthetic overlays that disguise its air circulation properties. The body is configured in its shape and air inlet and air outlet dimensions and configurations to resemble an article unrelated to air circulation with an air displacement unit inside the body.... Agent: Blankenship Law, PLLC

20070258834 - Compressed gas management system: The present invention is a system and method for managing compressed gas as an energy storage medium for providing power to vehicle uses. Compressed air has many pneumatic uses both inside and outside of vehicles and an Air Hybrid engine a source of compressed air energy for storage. This source... Agent: Walt Froloff

20070258835 - Diaphragm pump: A diaphragm pump comprising a pressure chamber arranged such that the volume of the pressure chamber is expanded and contracted by oscillation of a diaphragm (5), a suction-side check valve (7) for sucking air into the pressure chamber and a discharge-side check valve (8) for discharging air from the pressure... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070258836 - Vacuum pump: A vacuum pump includes a housing, a rotor located in the housing and having a shaft and pump-active elements supported on the shaft, a stator having pump-active elements and located in a separate housing part of the housing, for driving the pump, bearings for rotatably supporting the rotor shaft, and... Agent: Abelman, Frayne & Schwab

20070258837 - Pump unit for supplying chemical liquids: A pump unit for supplying chemical liquids capable of reducing the trapping of air bubbles and chemical liquids inside the chemical liquid passage of the unit while reducing the size by forming the pump and open/close valves in the vicinity of the pump into a single unit. The pump unit... Agent: Oliff & Berridge, PLC

20070258838 - Peristaltic cooling pump system: A peristaltic cooling pump system is provided and includes an actuation housing rotatably supporting a rotor assembly. The rotor assembly includes a plurality of rollers each having an axis of rotation parallel to an axis of rotation of the rotor assembly. The peristaltic cooling pump system further includes a cartridge... Agent: Covidien

20070258839 - Pump: A manually operated pump for a bicycle comprises two cylindrical members with a first cylindrical member slidable within a second cylindrical member. One end of the first cylindrical member is provided with a fitting to receive a saddle while one end of said second cylindrical member is provided with a... Agent: Koppel, Patrick & Heybl

20070253831 - Method and apparatus for maintaining air characteristics in an air ventilated facility using fan filter units: A system for maintaining at least one air characteristic in an air ventilated facility using at least one fan filter unit, the system comprising at least one sensor for sensing the at least one air characteristic, the at least one sensor being exposed to the air ventilated facility; the at... Agent: Law Offices Jacobson Holman

20070253833 - Pump set with safety interlock: A pump set for use with a pump to deliver a supply of liquid to a patient. The feeding set has a conduit for the nutrient liquid and a safety interlock device associated with the conduit. The pumping apparatus has a pumping device and a control system for controlling operation... Agent: Tyco Healthcare - Edward S. Jarmolowicz

20070253832 - Method and apparatus for controlling fluid flow: A method and apparatus for controlling bi-directional fluid flow. The apparatus has a pump that operates in a continuous pump cycle having a pressure phase and a vacuum phase. A conduit connects a common pump port to a utility port. An electrically-controlled valve regulates air flow through the conduit. The... Agent: Joseph M. Konieczny, P.C.

20070253834 - Multiblade fan: A multi-blade fan includes a spirally-shaped housing which has a bell-mouth orifice on one side, a sucking inlet and an exhausting outlet, an impeller which is placed in a housing and has a plurality of blades supported by a main plate and a lateral plate at both the axial ends,... Agent: Ratnerprestia

20070253835 - Displacement machine: A displacement machine has at least two adjacent working chambers which are defined by: a) a common first wall section made of an elastic material; b) a common second wall section; and c) a movable element which is movable with respect to the first wall section, which movable element has... Agent: Kenyon & Kenyon LLP

20070253836 - Vacuum pump and vacuum system including the same: A vacuum pump and a vacuum system can be stopped when necessary when an engine is operating.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070253837 - Variable capacity swash plate type compressor: The present invention relates to a variable capacity swash plate type compressor, in which a check valve for circulating refrigerant inside a compressor and preventing a backflow of the refrigerant when an air conditioner is turned off is mounted on a side of a discharge muffler chamber in a cover... Agent: Fulbright & Jaworski, LLP

20070253838 - Air compressor unloader system: An air compressor unloader assembly for unloading the compression chamber of an air compressor during a compressor unloading cycle. The unloader assembly includes an unloader piston slidable within an unloader cylinder in the head of the compressor for slidably engaging the intake valve of the compressor and to hold the... Agent: Floyd B. Carothers Carothers And Carothers

20070253839 - Method for controlling compressor clutch: A control method for an electromagnetic clutch of a variable capacity compressor in a refrigeration cycle includes: setting an electric current of an electromagnetic control valve to zero; when a predetermined time pass after setting step, calculating a load torque based on a discharge pressure and a rotation speed of... Agent: Foley And Lardner LLP Suite 500

20070253840 - Control system using a single proportional valve: The present invention relates to machinery having multiple hydraulically actuated functions and, more particularly, to a control system for using a single proportional valve to control multiple hydraulically actuated functions on a piece of machinery such as a tractor or front-end wheel loader.... Agent: Baker & Daniels LLP

20070253841 - Wave energy converter: Apparatus (10) rests on the seabed at a location below sea level for capturing wave energy. The apparatus (10) comprises a body structure (11) having a diaphragm (25) adapted to deflect in response to wave action. A working chamber (27) is disposed immediately below the diaphragm (25) and contains a... Agent: Merchant & Gould PC

20070253842 - Two-stage rotodynamic blood pump: A pump (10) includes a housing, a stator (20) supported in the housing, and a rotor assembly (30). The rotor assembly (30) includes a rotor (32) supported in the housing for rotation relative to the stator (20) about an axis (12). The rotor assembly (30) also includes a first impeller... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070253843 - Hydraulically driven oil recovery system: An oil recovery device and method of use where a submersible pump is in combination with a hydraulic motor. The hydraulic motor is actuated by a pressure differential between hydraulic power lines extending between the motor and a regulation means at or near the surface. A monitoring system evaluates, communicates,... Agent: Cox Smith Matthews Incorporated

20070253844 - Submerged motor: A submerged motor includes a housing, a barrel-like axle holder, which is affixed to the inside of the housing and holds a winding around a tubular axle thereof, and a vane holder, which is pivotally capped on the barrel-like axle holder, having a shaft extending from one side and pivotally... Agent: Pro-techtor International Services

20070253845 - Fuel supply device: An apparatus (20) may comprise a fuel tank (10), a cover (22), a fuel discharging unit (30), a control unit (26), and a heat sink (28). The cover (22) closes an opening (12) in an upper portion of the fuel tank (10). The fuel discharging unit (30) is disposed within... Agent: Dennison, Schultz & Macdonald

20070253846 - Hydraulic hand pump with pivoting links: A method and apparatus is provided that includes a hand pump having a handle locking mechanism, a counter bored nut, pivoting links, and unloading valve assembly. The unloading valve assembly allows a pump operator to pump a larger volume of hydraulic fluid and/or to pump to higher pressures in first... Agent: Baker & Hostetler LLP

20070253848 - Reciprocal pump for gas and liquids: A pump for efficiently producing gas in wells having some liquids. The pump may be driven by a walking beam or horsehead pump. The pump of the invention produces gases and liquids separately. Gases may be produced up the annulus between the casing and hollow sucker rods. A plunger seals... Agent: Fellers Snider Blankenship Bailey & Tippens

20070253847 - Valve assembly: In one embodiment, a valve assembly (10) is disclosed which includes a valve main body (98); a valve member (100) mounted for movement within the valve main body, to control the supply of an actuating fluid to a pump (10); a main valve inlet (81) formed in the valve main... Agent: Workman Nydegger

20070253849 - Pump with variable stroke piston: A pump apparatus includes a housing located on an axis. The housing has a chamber, an inlet valve and an outlet valve. A piston driver is configured to axially reciprocate. A piston is a piston configured to reciprocate in the chamber to draw liquid into the chamber through the inlet... Agent: Patent Group 2n Jones Day

20070253850 - System and method for user selectable release modality for a surgical cassette: Embodiments of the present invention provide a system and method for allowing a user to select the release modality of a surgical cassette. Example release modes can include an instant or latching mode, a continuous mode or a delay mode. An embodiment of the present invention can include providing a... Agent: Alcon