Pumps inventions 04/08

20080095638 - Controller for a motor and a method of controlling the motor: A pumping apparatus for a jetted-fluid system includes a pump having an inlet connectable to the drain, and an outlet connectable to the return. The pump is adapted to receive the fluid from the drain and jet fluid through the return. The apparatus includes a motor coupled to the pump... Agent: Michael Best & Friedrich LLP

20080095639 - Controller for a motor and a method of controlling the motor: A pumping apparatus for a jetted-fluid system includes a pump having an inlet connectable to the drain, and an outlet connectable to the return. The pump is adapted to receive the fluid from the drain and jet fluid through the return. The pumping apparatus includes a motor coupled to the... Agent: Michael Best & Friedrich LLP

20080095640 - Controller for a motor and a method of controlling the motor: A method of controlling a motor operating a pumping apparatus of a system includes determining a trip value for a parameter, floating the trip value, and monitoring the operation of the pump. Monitoring the operation of the pump includes determining a value for the parameter, comparing the value to the... Agent: Michael Best & Friedrich LLP

20080095637 - Solid state fluid level sensor: A sensor system for sensing liquid level in a bilge, for use in automatic bilge pump actuation. First and second field effect sensors are potted or sealed within a container or the bilge wall and are aligned in a vertical array and each comprise a substantially planar pattern of “electrodes”... Agent: Blank Rome LLP

20080095641 - Linear compressor: The present invention discloses an apparatus and method for controlling a linear compressor which can actively handle load and efficiently perform an operation, by synchronizing an operation frequency with a natural frequency of a movable member varied by the load. The apparatus for controlling the linear compressor includes a counter... Agent: Birch Stewart Kolasch & Birch

20080095642 - Device for pumping fuel: A devices for pumping fuel has at least one suction jet pump and a drive line, supplying the suction jet pump with fuel, that branches off from a pressure line leading to an internal combustion engine and that can be blocked off by means of a shutoff valve. By means... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080095643 - Active intake pressure control of downhole pump assemblies: Progressive cavity pump assemblies including one or more mechanisms adapted to regulate intake pressure of the main pump between a minimum intake pressure and a maximum intake pressure. In one embodiment, the mechanism is a sealing member configured to open at a threshold pressure to discharge wellbore fluid and close... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20080095644 - Mobile wear and tear resistant gas compressor: A mobile high horsepower rating natural gas compression package is presented. The apparatus includes a trailer having a flexible pre-cambered frame configure to absorb shock during transport and dissipate vibration during operation, and an inflexible sub-skid attached to the flexible frame. A high horsepower rating engine driven compressor is attached... Agent: Bennett Jones C/o Ms Roseann Caldwell

20080095645 - Pump: A pump suitable for use in a portable domestic is also disclosed. The steam cleaner has a housing accommodating a releasable water tank. The pump transfers water from the tank to a boiler for generating steam. In use, steam exits a nozzle for cleaning etc.... Agent: Birch Stewart Kolasch & Birch

20080095646 - Electrically driven compressor integral with inverter device, and vehicle air conditioner where the compressor is used: The electrically driven compressor integrally formed with an inverter device contains compression mechanism section (28); motor (31) as a power source of the compression mechanism section; metal housing (32) for accommodating the compression mechanism section and the motor; inverter device (20), which is disposed outside the metal housing, for supplying... Agent: Ratnerprestia

20080095647 - Fluid-pressure generator: A fluid-pressure generator, in order to generate a high pressure-level in fluids at high speed in a small construction space, with an inlet which is adapted to receive fluid from a supply line, with an electrically triggerable actuating device which is adapted to interact with an ejection-valve arrangement in order... Agent: Hiscock & Barclay, LLP

20080095648 - Rotary blood pump: Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes... Agent: Inskeep Intellectual Property Group, Inc.

20080095649 - Peristaltic pump: A pump for generating fluid flow in an elastic tubular conduit. The pump comprises a plurality of electrically operated valves, each valve being positionable adjacent to the conduit. Each valve has a valve head configured to alternate from a first position in which the lumen of the conduit adjacent to... Agent: Nath & Associates

20080095650 - High pressure lubricant pump for steelworks: The high pressure lubricant pump for steelworks comprises a body provided with at least one cylinder provided with a lubricant intake port and a lubricant delivery port. Within the cylinder a piston is movable to pressurize the lubricant. The cylinder and the piston define a pre-assembled pumping unit removably fixed... Agent: Ladas & Parry

20080095651 - Diaphragm pump and thin channel structure: A diaphragm pump includes a duct structure capable of connecting an inlet port and an outlet port without using a tube. In the diaphragm pump, each of an inlet channel hole and an outlet channel hole is formed as a depression without the provision of inlet and outlet ports each... Agent: Brinks Hofer Gilson & Lione

20080089792 - Operation control device and method of compressor: Disclosed are an operation control device of a compressor, which can reduce motor loss by applying an AC power to a motor of the compressor without a switching operation of a control unit, and a method thereof. The operation control device of the compressor comprises: a capacitor electrically connected to... Agent: Mckenna Long & Aldridge LLP

20080089793 - Evacuation of a load lock enclosure: A system for evacuating an enclosure is provided. The system comprises first pumping means having an inlet selectively connectable to an outlet from the enclosure. Second pumping means are also provided together with conduit means for connecting an exhaust of the first pumping means to an inlet of the second... Agent: The Boc Group, Inc.

20080089794 - Pump for supplying chemical liquids: An opening 22d of a supply/withdrawal passage 22b is positioned at the center part of the internal wall surface 22c of the operating chamber 26 (concave area 22a), and a pin 24 that protrudes toward the diaphragm 23 is provided in a position that is offset from the center of... Agent: Oliff & Berridge, PLC

20080089795 - Water-injected compressor: A water-injected compressor, which injects the water inside the separator 3 into the compressor and discharges the water along with compressed air into the separator and then gains condensed and separated water, has the compressor stopping and then, if staying at a stop for a predetermined duration of time without... Agent: Crowell & Moring LLP Intellectual Property Group

20080089796 - Linear compressor and corresponding drive unit: A drive unit for a linear compressor comprising a frame and an oscillating body. The oscillating body is mounted in the frame via at least one diaphragm spring and can be moved back and forth in one direction. The diaphragm spring comprises a plurality of limbs, fastened with one end... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080089797 - Rotary blood pump: Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes... Agent: Inskeep Intellectual Property Group, Inc.

20080089798 - Box fan grill with integral motor support: A box fan with a motor and impeller that is supported by a polymer grill is provided. The device may include a metal body and at least one polymer grill, a motor and an axial air impeller. The motor being structurally supported by the polymer grill.... Agent: Woodcock Washburn LLP

20080089799 - Fluid handling device: A device for handling a fluid to be introduced into a fluidic device is described. The fluid handling device is designed for alignment with a fluidic device, such as a microfluidic device, where an exit port on the device aligns with one or more apertures in the fluidic for exchange... Agent: Michael O'connell

20080089800 - Fluid connection: A fluid connection comprised of a first fitting having a body with a first end and a second end. A passage extends through the body from the first end to the second end. A bracket is mounted to the second end of the body. The bracket defines a space adjacent... Agent: Kusner & Jaffe Highland Place Suite 310

20080085194 - Method of removing retainer of jet pump and jet pump: A retainer provided at lower portion of a pump beam of a jet pump for circulating cooling water to a reactor core or a bolt for fastening the retainer is cut through an underwater-remote control to remove the bolt and the retainer is removed through the underwater-remote control.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080085195 - Oil balance system and method for compressors connected in series: A compressor system includes a first compressor, which has a first low side oil sump, in a first shell and a second compressor, which has a second low side oil sump, in a second shell. The first and second compressors are connected in series. There is an oil transfer conduit... Agent: Cantor Colburn, LLP

20080085196 - Compressor: In the case of a compressed air compressor, intake openings located in the cylinder covers are connected to intake pipes made from elastomeric material, the length of which pipes amounts to a multiple of the clear cross-section. The intake pipes have a semicircular pipe portion at the cylinder end and... Agent: Factor & Lake, Ltd

20080085197 - Magnetostriction air pump: A magnetostriction based pump for cooling a power supply is provided. One exemplary embodiment of the invention utilizes one of the components that is already present in the power supply. The expense of the cooling system is minimized, as it is limited to a diaphragm and any channel routing. The... Agent: Jackson Walker LLP

20080085198 - Fluid pump: A fluid pump for moving a fluid from a first fluid source of the fluid in a low pressure state to a second fluid source of the fluid in a high pressure state, includes a chamber; a partitioning member displaceable in the chamber and dividing the chamber into first and... Agent: Lowe Hauptman Ham & Berner, LLP

20080085199 - Fuel pump: A fuel pump includes a plurality of magnets that are disposed circumferentially on an inner surface of a housing of the fuel pump and alternately form different magnetic poles, an armature rotatably disposed inside the permanent magnets, a rotating member disposed on a rotary shaft that is connected with the... Agent: Nixon & Vanderhye, Pc

20080085200 - Peristaltic pump: The peristaltic pump is provided with a two-piece housing (2, 3), in which a conveying member (1) as well as a pump tubing section (6) squeezable by the conveying member is received. For fixing the pump tubing section (6) in the housing (2, 3), a tubing holder (4) is provided.... Agent: Maginot, Moore & Beck, LLP Chase Tower

20080085201 - Compressor system and frame: A reciprocating compressor is provided. In one embodiment, the reciprocating compressor includes a frame having a central body and a crosshead guide extending from the central body. The compressor may also include a crosshead disposed within the crosshead guide and coupled to a crankshaft disposed within the central body of... Agent: Fletcher Yoder (cameron International Corporation)

20080085202 - Damper and vacuum pump: A bellows 44 and an elastic member 45 are arranged with a clearance sufficient enough to prevent contact being provided. The elastic member 45 is provided with a spring element K and a damping element C, and the bellows 44 is provided with a spring element k and a mass... Agent: Bruce L. Adams Adams & Wilks

20080080981 - Compensating temperature-induced errors during piston movement: A method for controlling movement of a piston in a metering device is described. The method comprises supplying a fluid by actuating the metering device's piston, wherein compression or expansion of the fluid causes corresponding temperature variations. The method further comprises superposing a corrective movement onto the piston movement, with... Agent: Agilent Technologies Inc.

20080080982 - Evacuation apparatus: The present invention proposes an evacuation apparatus including a mechanical booster pump 5, a back pump 3 placed at a down-stream side of the mechanical booster pump in series, the booster pump 5 having discharge openings 27a and 27b for discharging a low compression gas and a discharge opening 29... Agent: Rossi, Kimms & Mcdowell LLP.

20080080983 - Rotary blood pump with opposing spindle magnets, bore and drive windings: Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chamber. A spindle magnet assembly includes... Agent: Inskeep Intellectual Property Group, Inc.

20080080984 - Evacuation apparatus: The present invention discloses an evacuation apparatus for evacuating a tank, a chamber, and the like; wherein a mechanical vacuum booster pump is provided at an up-stream side of an exterior side vacuum pump; wherein the mechanical booster pump has a discharge openings for low compression and a discharge opening... Agent: Rossi, Kimms & Mcdowell LLP.

20080080985 - Safe over-center pump/motor: A fail-safe system for a hybrid vehicle employing an over-center variable-displacement hydraulic motor includes an actuator configured to stroke the motor to a zero angle if each of two control ports is supplied with fluid at an equal pressure. A control valve is configured, in the event of loss of... Agent: Seed Intellectual Property Law Group PLLC

20080080986 - Axial piston machine: An axial piston machine, especially an air-conditioning compressor for motor vehicles, including a power unit which is rotatably driven by a shaft and in which the rotary movement is converted, via a swash plate, a wobble plate, or a pivot ring, into a fore-and-aft movement of pistons that suction in... Agent: Davidson, Davidson & Kappel, LLC

20080080987 - Limited free-motion pump impeller coupling device: A limited free-motion coupling device 10 coupling an impeller 14 to a shaft 16 of a rotor 12, the coupling device 10 comprising first and second parts 20, 22 which are axially engaged for relative angular displacement about a rotational axis A, and two spherical coupling members 24 for engaging... Agent: Birch Stewart Kolasch & Birch

20080080988 - Pump with electric motor, immersed in the fluid to be pumped: Pump with electric motor, immersed in the fluid to be pumped Circuits for the auxiliary circulation of fluid in the pump for the axial balancing and the cooling of specific portions of the pump. The pump comprises a centrifugal region (28) with a fluid axial balancing system (60) and the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080080989 - Air-conditioning system for a vehicle, in particular an industrial vehicle, and vehicle equipped with said system: m

20080080990 - Discharge pressure actuated pump: A pump has a pump barrel formed from a larger diameter section and a smaller diameter section. Each section has a biased piston moveable within the section and the pistons are connected together to form a variable volume chamber between the pistons. As the connected pistons move toward the larger... Agent: Sean W. Goodwin

20080080991 - Electrical submersible pump: A method and apparatus for lifting fluids from a well is provided. In one embodiment, a pump assembly comprises a rotary motor adapted to actuate a reciprocating pump. The motor shaft of the rotary motor is threadedly coupled to a drive member of the reciprocating pump. In operation, rotation of... Agent: Patterson & Sheridan, L.L.P.

20080080992 - Fluid end for duplex pumps: A fluid end for a duplex mud pump. In one implementation, the fluid end includes two liner blocks, each having a central passage. The fluid end further includes two fluid inlets disposed on a side portion and two fluid outlets disposed on a top portion and a suction manifold displaced... Agent: Ari Pramudji Pramudji Wendt & Tran, LLP

20080080993 - Hermetic compressor: A hermetic compressor with a connecting rod that can be assembled with a crankshaft and a piston while the piston is in a cylinder integrally formed with a frame. The hermetic compressor includes the frame formed with a hollow portion, a drive unit disposed on the frame, a cylinder integrally... Agent: Blank Rome LLP

20080080994 - Fluid end reinforced with a composite material: A fluid end for a reciprocating pump is provided that includes a base material less subject to abrasion, corrosion, erosion and/or wet fatigue than conventional fluid end materials such as carbon steel, and a reinforcing composite material for adding stress resistance and reduced weight to the fluid end.... Agent: Schlumberger Technology Corporation David Cate

20080080995 - Reciprocating compressor: A reciprocating compressor includes a suction port, through which a working gas is taken into a cylinder volume, which is closed and opened by a suction valve, and a discharge port, through which the working gas compressed by a reciprocating piston is emitted toward an end use, which is closed... Agent: Rossi, Kimms & Mcdowell LLP.