Pumps inventions 10/07

20070248468 - Method and arrangement for soft start up of a pump system: A method and arrangement for soft start up of a pump system, that includes a pump (401) for generating a liquid flow, an electrical drive (402, 403, 404) disposed to actuate the pump, and a pressure sensor (408) disposed to measure a liquid pressure at a flow output of the... Agent: Young & Thompson

20070248469 - Shallow-well pump with interchangeable nozzle: A jet pump for pumping fluids is disclosed. The jet pump comprises an impeller, a fluid inlet port and a venturi tube having an inlet opening and an outlet opening. The venturi tube is disposed between the fluid inlet port and the impeller. The jet pump further comprises a fluid... Agent: Marshall, Gerstein & Borun LLP

20070248467 - Fluid flow control for fluid handling systems: A controller for an electric motor in a blower system includes an input for receiving an air flow demand. The controller is configured for producing drive signals for the electric motor from the air flow demand using an equation having a plurality of terms. At least one of the terms... Agent: Harness, Dickey, & Pierce, P.l.c

20070248471 - Cavitation chamber degassing system: A system and method for degassing a cavitation fluid is provided. The cavitation system of the invention includes a cavitation chamber with one or more cavitation drivers and a degassing system coupled to the chamber. One or more heaters, such as resistive heaters, are coupled to an external surface of... Agent: Ross Tessien C/o Impulse Devices, Inc.

20070248470 - Method and apparatus for loading a source gas into a cavitation medium: A cavitation system and method of use for loading the cavitation medium with a source gas, e.g., a reactant, prior to cavitation is provided. The cavitation system includes a cavitation chamber with suitable cavitation drivers and a pressurized gas source coupled to the chamber. A valve interposed between the source... Agent: Patent Law Office Of David G. Beck

20070248472 - Device for generating highly compressed gas: In order to generate a highly compressed gas, a multistage high-pressure compressor is used, which has a number of 3 compressor stages (10a, 10b, 10c, 10d). A vortex tube (20a, 20b, 20c, 20d) is connected downstream from these compressor stages (10a, 10b, 10c, 10d). The pressure difference between the pressure... Agent: Renner Otto Boisselle & Sklar, LLP

20070248473 - Device for pressurizing canisters of liquid adhesives and coatings: The present invention is a drum pressurization device for safely and reliably pressurizing a liquid storage barrel with air from an air pump. The drum pressurization device includes a housing having a bottom and sides dimensioned and configured to house the barrel, the housing bottom dimensioned and configured to support... Agent: Elias C. Borges Suite 406

20070248474 - Air driven pump with performance control: An air driven diaphragm pump includes an performance control actuator having a housing with opposed air chambers. The pump includes pump chambers facing the air chambers and pump diaphragms extending between each air chamber and each pump chamber, respectively. The actuator further includes an air valve, an intake to the... Agent: Connolly Bove Lodge & Hutz LLP

20070248475 - Fluid pump: A fluid pump includes a chamber and a plunger extending into the chamber and supported for sliding movement on a suction stroke to introduce fluid into the chamber and on a discharge stroke to force fluid out of the chamber. A driver slides the pumping member in opposite directions. A... Agent: Leydig Voit & Mayer, Ltd

20070248476 - Space saving fan with front elevation/illumination plate: A space saving fan for desktop use is provided. The device includes a compact motorized impeller, a front elevation plate and/or a light dissemination plate for improved and efficient illumination of a room or work surface.... Agent: Woodcock Washburn LLP

20070248477 - Cassette having elastomeric clamping ribs: A cassette having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. A surgical console contains a cassette receiving area having a pump head with rollers that are mounted radially from the axis of rotation of the pump motor and... Agent: Alcon

20070248478 - Check valve and diaphram pump: [Means for Solution] A check valve includes a valve chamber 11 which is defined by a top wall 8 having an introducing port 8a of a fluid, a bottom wall 9 having an exhaust port 9a of the fluid, and a side wall, and a valve body 12a which is... Agent: Sughrue-265550

20070248479 - Vacuum pumping circuit and machine for treating containers equipped with same: and comprising a valve (40) provided with a stem guided so as to slide along a vertical axis (A1) in order to close the connecting orifice (38), which circuit is characterized in that the valve stem (48) is provided with a section forming a piston (52) which constitutes the mobile... Agent: Young & Thompson

20070243073 - Thermally driven piston assembly and position control therefor: A thermally driven piston assembly comprises a material that undergoes a dimensional change when subjected to a temperature change in the temperature range of interest. The dimensional change imparts movement which effects an end result such as actuation, shock absorption, clutch action, braking, or mechanical power. The assembly can further... Agent: National Aeronautics And Space Administration Langley Research Center

20070243074 - Hydraulic control unit: A hydraulic control unit (18), for a power transmission system having an oil receiving device (26,37), which controls a power transmitting condition of the power transmission system, and an oil reserving device for feeding the oil to the oil receiving device, wherein the oil reserving device comprises a piston (59)... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070243075 - Carrying system and processing equipment: A carrying system includes first and second carrying machines each of which includes a holding unit, a base and a linkage having pivotally joined first and second links. The holding unit can be moved, by turning the second link relative to the first link which is turned relative to the... Agent: Oliff & Berridge, PLC

20070243076 - Control valve for variable displacement compressor: The control valve comprises a valve rod having a valve body part; a valve main body provided with a valve chamber having a valve port to/from which the valve body part contacts/separates, a discharge pressure refrigerant inlet for introducing the refrigerant from a compressor, and a refrigerant outlet communicating with... Agent: Coleman Sudol Sapone, P.C.

20070243077 - Testing method: A method for testing the function of a high-pressure pump having a plurality of pump elements, which each define a respective work chamber which is in communication, via a suction valve with a low-pressure region, from which fuel can be aspirated, and via a pressure valve with a high-pressure region... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070243078 - Hydrostatic retarder pump and motor: The apparatus of the present invention includes a hydrostatic retarder pump and motor. The apparatus includes a housing rotatably supporting a shaft. The shaft includes a first eccentric portion and a second eccentric portion. A plurality of pistons are disposed within the housing and are engageable with the first eccentric... Agent: Christopher Devries General Motors Corporation

20070243079 - Variable capacity rotary compressor and method of varying capacity thereof: A variable capacity rotary compressor includes a housing having a compressing chamber, a roller to rotate in the compressing chamber while coming into contact with an inner peripheral surface of the compressing chamber, a vane to move forward and rearward along a guiding groove in accordance with rotation of the... Agent: Stanzione & Kim, LLP

20070243080 - Flow-control valve device for a pump: A pump, especially a power-steering pump, having a flow-control valve device that has a piston arranged inside a piston bore so as to be displaced. The piston bore has at least one inlet and at least one outlet channel. The piston has an axial inlet opening and a plurality of... Agent: Davidson, Davidson & Kappel, LLC

20070243081 - Hydraulic pump, hydraulic pump unit, and hydraulic driving unit: A hydraulic pump can prevent breakage at a high pressure without providing a separate relief valve. A housing has a body side and a lid side that are divided by a surface perpendicular to a rotational axis of a hydraulic pump shaft. The lid-side housing is brought into oil-tight contact... Agent: Michael L. Crapenhoft

20070243082 - Sealed compressor with structure on lower housing shell to assist weld placement: A compressor is provided with a dimple and a lower end cap to receive a positioning fixture pin to position the lower end cap prior to a welding operation. The use of the dimple ensures the lower end cap is properly positioned when welding occurs. In the past, lower end... Agent: Carlson, Gaskey & Olds, P.C.

20070243083 - Heat-dissipating device for motor base: A motor includes a base having a fixing seat, an axial tube mounted to the fixing seat, a rotor mounted to the axial tube, and a circuit board mounted to the base and including a stator and at least one heat-generating component. The base includes at least one slot. At... Agent: Birch Stewart Kolasch & Birch

20070243084 - Stacked piezoelectric diaphragm members: A diaphragm assembly (20) comprises at least two piezoelectric diaphragm members (22) arranged in a stacking direction (23). An interface layer (24) is situated between adjacent piezoelectric diaphragm members (22). The interface layer (24) in the stacking direction (23) is displaceable and incompressible or resilient. The interface layer (24) permits... Agent: Nixon & Vanderhye, PC

20070243085 - Magnetic drive pump: A magnetic drive pump includes a pump chamber including an inlet port and an outlet port, a partition wall separating the pump chamber from an exterior, a rotational shaft provided at a side of the pump chamber relative to the partition wall, an impeller rotatably supported by a first end... Agent: Reed Smith LLP

20070243086 - Pump and liquid supplying apparatus: A pump includes a pump part provided with an impeller having a plurality of blades for sucking and discharging a liquid; a pump case accommodating the pump part; a rotor installed to the impeller to rotate the impeller; a motor part accommodating a stator disposed around an outer periphery of... Agent: Bacon & Thomas, PLLC

20070243087 - Electric motor housing: A housing for an electric motor for driving a fan for a vacuum cleaner, comprising respective parts fitting together so that at least part of the housing comprises spaced inner and outer walls between which exhaust flow of air from the fan takes place, wherein there is provided at least... Agent: Brinks Hofer Gilson & Lione

20070243088 - Marked tube for a peristaltic pump: A tube is provided for use in a peristaltic pump, with the tube including a cylindrical wall defining a hollow interior and a cylindrical outer surface. The tube further includes a longitudinal centerline axis and a plurality of indicia applied to the cylindrical outer surface, with the indicia including first... Agent: Wood, Herron & Evans, LLP

20070243089 - Check valve for displacement-type pump: The present invention provides a check valve for a displacement-type pump, in which fluid pressure loss is reduced and which increases pump efficiency. The check valves are arranged in direction opposite to each other on the fluid discharge side and the fluid suction side of a pump chamber 22b, valve... Agent: Birch Stewart Kolasch & Birch

20070243090 - Pump cylinder and method of producing a thermoplastic alloy for one such pump cylinder: The invention relates to a fluid product dispensing pump cylinder which is intended to be assembled to a fluid product tank. According to the invention, the pump cylinder is made from a thermoplastic alloy comprising a mixture of homopolymer polypropylene and high-density polyethylene.... Agent: Sughrue Mion, PLLC

20070237650 - Vacuum pump with control unit: A vacuum pump that includes a housing, a control unit including control elements for controlling electronic and electrical components located in the inner chamber of the housing, and a separation member for separating the inner chamber in which an underpressure prevails, from an environment in which the vacuum pump is... Agent: Abelman, Frayne & Schwab

20070237648 - Compressor driving torque estimating apparatus and compressor driving source control apparatus: A compressor driving torque estimating apparatus estimates driving torque of a compressor. The apparatus includes a discharge-side detecting device, an inlet-side detecting device, first and second calculating devices, and an estimated driving torque determining device. The discharge-side detecting device detects discharge-side quantity about fluid discharged from the compressor. The inlet-side... Agent: Harness, Dickey & Pierce, P.L.C

20070237649 - Device and method for preventing foreign matters from adhering in dishwasher: Device and method for preventing foreign matters from adhering in a dishwasher, the device including a circulating pump including a washing motor for providing a driving source to pump up washing water from a sump, an impeller designed to receive driving force from the washing motor and rotate for pumping... Agent: Mark R Kresloff Mckenna Long & Aldridge

20070237651 - Reciprocating pump apparatus: In a reciprocating pump apparatus 10 having a crankshaft 14 directly connected to an output shaft of a driving source, positions of bolts 22a to 22d for fixing a bearing case 20 for closing an open end part of a crankcase 16 to the crankcase are determined such that an... Agent: Osha Liang L.L.P.

20070237652 - Inflation system: An inflation system is disclosed for automobile tires, bicycle tires, and other inflatable articles, wherein the inflating pump reads information from a microchip associated with the valve stem in the inflatable article, in order to inflate the tire or other inflatable article to the correct pressure. In one embodiment, the... Agent: John Alexander Galbreath

20070237653 - Air pump for aquariums: An air pump for aquariums to reduce noise and shrink the casing includes at least one air pump assembly in the casing. The air pump assembly has an air delivery duct communicating with a muffling chamber located on an outer bottom side of the base of the casing. Air discharged... Agent: Bruce H. Troxell Suite 1404

20070237654 - Air supply system: An air supply system is provided that can reduce noise of a compressor and over a wider frequency band, along with the space and cost. The air supply system includes a compressor that draws in gas to discharge the drawn in gas at an increased pressure, an intake flow path... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070237655 - Small fill volume pump: A pump system for small fill volumes having a pump unit with a disposable pump head assembly, a controller, a drive motor, and a transmission between the drive motor and the pump unit. A user may enter pump operational data through a controller on the system housing. Operational data may... Agent: Whiteford, Taylor & Preston, LLP Attn: Gregory M Stone

20070237656 - Rotary fan with encapsulated motor assembly: A fan assembly, such as a rotary axial fan assembly, is disclosed with a shroud that is adapted to be mounted proximate to a heat exchanger. The shroud is sized for conveying a flow of fluid through the heat exchanger and the shroud. A stator fan blade extends inward from... Agent: Brooks Kushman P.C.

20070237657 - Piston engine: The invention relates to a piston engine comprising one or more air/gas-compressing cylinder-piston units, a crank mechanism connected to the piston in the said cylinder or cylinders for movement of the piston in the cylinder, which crank mechanism is drivingly connected to a rotor in an electric motor. The invention... Agent: Merchant & Gould PC

20070237658 - Magnetically driven valveless piston pumps: Valveless piston pumps are disclosed that are magnetically driven, thereby eliminating a troublesome dynamic seal used on conventional valveless piston pumps. An exemplary embodiment includes a housing defining a bore having a bore axis. A piston is situated in the bore so as to be movable in the bore in... Agent: Klarquist Sparkman, LLP

20070237659 - Supply and control device for an electric appliance having a fluid-tight terminal with pin contacts, in particular a motor for a compressor of a household appliance: A supply and control device of an electric appliance equipped with a fluid-tight terminal with pin contacts, typically a compressor, including a cup-shaped support formed by electrically non-conductive material, a plurality of electric contacts of the blade type accommodated within the cup-shaped support and presenting same protruding ends facing towards... Agent: Lowe, Hauptman, Gilman & Berner, LLP (itw)

20070237660 - Pump and manufacturing method thereof: A pump includes a pump unit having an impeller for sucking and/or discharging liquid; a motor unit for driving the pump unit; a case for accommodating the pump unit; a partition plate for isolating the motor unit from the pump unit; and a mold resin integrally formed with the motor... Agent: Bacon & Thomas, PLLC

20070237661 - Hand-operated reciprocating pump: A reciprocating pump includes a cylinder; a piston including apertures and an annular bottom flange; a first check valve secured to a piston rod and including an annular groove; a coupling at cylinder bottom; a sealing ring sandwiched between the cylinder bottom and the coupling; a second check valve engaged... Agent: Troxell Law Office PLLC

20070237662 - Compressor having a piston performing simultaneous functions: AN COMPRESSOR HAVING A PISTON PERFORMING SIMULTANEOUS FUNCTIONS, which consists of a piston with a top part having a diameter smaller than that of the bottom part. Over the piston, in a reservoir (which has an outlet for compressed air) over the piston cylinder, is located a valve that covers... Agent: J. Bennett Mullinax, LLC

20070237663 - Hermetic compressor: Disclosed is a hermetic compressor capable of preventing an intake valve from making contact with a piston without reducing compressing efficiency of the compressor. The hermetic compressor includes a cylinder block having a compressing chamber, a piston performing a reciprocation, a cylinder block coupled at an side of the cylinder... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070231158 - Artificial lift with additional gas assist: Well pumping of fluids having low hydrostatic pressure is provided through a combination of jet pumping and gas assisted lifting. A jet pump is located in a borehole in a producing zone of a well, and a source of gas is introduced into the fluid returning from the production location.... Agent: Patterson & Sheridan, L.L.P.

20070231159 - Flexible drive pump: A two-stage pump device features a main pump for pumping a fluid; and a priming pump coupled to the main pump via a length of flexible hose, the priming pump having a propeller for feeding the fluid to the main pump and priming the same in response to either manual... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070231160 - Gas compressor with drier and radio emission controls: A gas compressor unit according to the invention includes a single gas desiccant bed and condenser (which is inactive during the compression stage) inserted into the gas flow path of the compression cycle. In the case of a multistage compressor, the single gas desiccant bed is inserted between preferably the... Agent: Nawrocki Rooney & Sivertson

20070231161 - Pump with selectable outlet pressure: A variable capacity vane pump is provided, the pump having a pump ring which is moveable to alter the capacity of the pump and the pump can be operated at either of at least two selected equilibrium pressures. The pump ring is moved by a control piston with dual control... Agent: Magna International, Inc.

20070231162 - Vacuum pump: A multi-stage vacuum pump comprises, between adjacent stages of the pump, a continuous ignition source for igniting a fuel within a pumped fluid. This can ensure that the concentration of the fuel in fluid exhaust from the pump is below its lower explosive limit.... Agent: The Boc Group, Inc.

20070231163 - Motor assembly structure: A motor assembly structure including a first bracket and a second bracket which together form a coil unit. The first bracket has a hub integrally extending from the first bracket into the second bracket. The motor assembly structure further includes a silicon steel plate unit fitted around the hub and... Agent: Rosenberg, Klein & Lee

20070231165 - Electric compressor: An inverter assembly includes a substrate, a capacitor assembly and a coil, a varistor and a base. The base fixes and supports thereto the substrate, the capacitor assembly, the coil, and the varistor, and is detachably fixed together to a first housing with screws.... Agent: Morgan & Finnegan, L.L.P.

20070231164 - Fuel cell compressor system: A multi-stage fuel cell centrifugal compressor system comprising a motor, including a shaft, and a compressor connected to the motor. The compressor includes a first stage inlet; first housing fluidly connected to the first stage inlet; and first impeller driven by the shaft for imparting fluid flow through a first... Agent: John P. Guenther Dykema Gossett PLLC

20070231166 - Vacuum valve: In a vacuum valve composed of a main valve portion that opens and closes a vale seat in a flow path connecting two ports by a valve member, and an operating portion that performs an opening and closing operation for the valve member, the housing of the main valve portion... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070231167 - Reciprocating compressor: A reciprocating compressor is disclosed which has a valve construction using plural discharge ports, plural reed valves and plural valve backers to lower the discharge resistance and improve the compression efficiency. The reciprocating compressor (1000) has within a closed vessel (900) a reciprocating compressing section (300) for compressing a required... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20070231168 - Means for delivery of flowable media, especially lubricants: A means for delivery of flowable media, especially of lubricants, with a pump (1) which can be driven by a motor and which forms a component of a line system is characterized in that at least one heating element (21) which can be activated by energy supply is located outside... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.