Pumps inventions 04/07

20070092380 - Pump with suction and pressure control for dry particulate material: A pump for particulate material includes a pump chamber wherein material flows into the pump chamber under negative pressure and flows out of the pump chamber under positive pressure. A plurality of pinch valves are provided to control flow of material into and out of the pump chamber. The pinch... Agent: Calfee, Halter & Griswold, LLP

20070092381 - Gas feed assembly: A gas feed assembly (30) comprises a compressor arrangement (32) comprising first and second compressor (34, 36). The gas feed assembly includes outlet means (42) for gas for the first and second compressors (34, 36). The gas feed assembly includes a first inlet (38) for the first compressor (34) and... Agent: Manelli Denison & Selter

20070092382 - Pump and method: A pump for moving a liquid including a stator and a rotor which rotates to move at least one helical pumping member. The rotor in rotation is radially supported relative to the stator only by a layer of liquid maintained between the rotor and stator by rotor rotation.... Agent: Ogilvy Renault LLP (pwc)

20070092383 - Pump and method: A pump for moving a liquid including a rotor rotatable within a housing and slidable relative to the housing between a first axial rotor position during normal pump operation and a second axial rotor position during a pump inoperative condition.... Agent: Ogilvy Renault LLP (pwc)

20070092384 - Cooling system for a blower: Arrangement in a blower comprising at least an engine and a fan, said fan comprises a fan housing enclosing a fan wheel and a fan inlet. The engine and fan are surrounded by a casing provided with an air inlet to let air in to the fan inlet placed inside... Agent: Pearne & Gordon LLP

20070092386 - Method and control system for a pump: The present invention includes methods and apparatuses for operating and controlling AOD pumps.... Agent: Baker & Daniels LLP

20070092385 - Pump and valve actuator system and method: A double diaphragm pump including a dual spool valve actuator. A set of piston/diaphragm assemblies can be coupled to a pilot spool valve, which can direct air flow to a main spool valve. The main spool valve can direct air flow to pump chambers. Components of the pump can be... Agent: Michael Best & Friedrich, LLP

20070092387 - Oil discharge assembly for a turbocharger: A turbocharger assembly (100) includes an insert (200) having an outer axially extending lip (204) and an inner axially extending lip (208). The outer lip (204) is radially spaced from the inner lip (208), and the inner lip (208) has a radially outwardly extending tip (212). The inner lip (208)... Agent: Chewa W. Liew

20070092388 - Pump assembly for an emergency eyewash station: A pump assembly for an emergency eyewash station and method of retrofitting a plumbed emergency eyewash station is disclosed. The pump is configured into two parts, an impeller assembly and a drive assembly, that are configured to couple together. The impeller assembly is isolated from the drive assembly and can... Agent: Barlow, Josephs & Holmes, Ltd.

20070092389 - Piston pump: A piston pump (10) for supplying pressure fluid into at least one vehicle brake, into a master cylinder, into a pressure fluid reservoir, or into a pressure fluid accumulator of a controlled vehicle brake system, is integrated into an accommodating member (3) in a simple and space-saving manner. A plurality... Agent: Gerlinde M Nattler Coninental Teves Inc

20070086898 - Microfluidic device utilizing magnetohydrodynamics and method for fabrication thereof: Microfluidic channels utilizing magnetohydrodynamics are used to pump very small volumes of solution. The channels have electrodes along the walls and a current carrying species within a solution carries current through the solution. The combination of the electric and magnetic fields causes the solution to flow through the channel.... Agent: Head, Johnson & Kachigian

20070086899 - Fuel system with variable discharge pump: The present invention relates generally to variable discharge pumps, and specifically pumps used in fuel injection systems. Typically, such pumps include a dedicated spill control valve for each pumping plunger, that also doubles as an avenue for refilling the pumping chambers. This double duty results in compromise in the design... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070086900 - Air barrel of air compressor: An air barrel of an air compressor comprises a barrier body; and a plurality of rising air chambers and a plurality of descending air chambers located within the barrier body; wherein the plurality of rising air chambers and the plurality of descending air chambers are connected alternatively; an air inlet... Agent: Teng-fu Chen

20070086901 - Motor rotator structure of hot water circulating pump: Provided is a motor rotator structure of a hot water circulating pump. The structure includes a metal pipe whose interior is empty, a rotator core, and sealing caps. The rotator core is inserted into the metal pipe. The sealing caps are fitted into both sides of the rotator core, respectively.... Agent: Hyun Jong Park

20070086902 - Pump and method: An anti-icing system comprises a pump and a circulation network, the pump pumping a liquid through the circulation network, wherein the pump is configured to generate heat during operation as a result of viscous shear in the pumped liquid, the heat being sufficient to provide a pre-selected anti-icing heat load... Agent: Ogilvy Renault LLP (pwc)

20070086903 - Livewell/baitwell pump featuring rotating transom pickup tube: A livewell/baitwell pump for installing in a boat or other suitable vessel or apparatus, the pump comprising a pump cartridge assembly having a cartridge body with one or more flexible cantilever snap tabs and with a discharge hose; a pickup tube having an interior cavity with one or more undercuts... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070086904 - Infusion device and actuator for same: An apparatus for delivering a fluid includes a housing, an inlet in the housing for receiving the fluid, and an outlet in the housing for discharging the fluid. A piston channel is provided within the housing through which the fluid flows from the inlet to the outlet. An actuator is... Agent: Ingrassia Fisher & Lorenz, P.C.

20070086906 - Surface pump assembly: In another embodiment, a surface mounted pump assembly comprises a centrifugal pump having a plurality of impellers and an electric motor adapted to drive the pump such that a thrust load from the pump is transmitted to the pump.... Agent: Patterson & Sheridan, L.L.P.

20070086905 - Brushless motor and fluid pump having the same: A fuel pump includes a stator core that has teeth being circumferentially arranged. Coils are formed by concentrically winding a wire around each of the teeth. The coils circumferentially generate magnetic poles in inner circumferential peripheries of the teeth when being supplied with electricity. The magnetic poles being switched by... Agent: Nixon & Vanderhye, PC

20070081902 - Digital air compressor control system: A digital air compressor control system is for creating a customized air compressor. The system includes microprocessor, power supply, electric sensors and electric valve. In general, digital control system includes four overall components, which may be present in a variety of electric-mechanical formulations. The first component is the microprocessor. It... Agent: Wilson Daniel Swayze, Jr.

20070081903 - Well jet device and the operating method thereof for logging horizontal wells: The inventive well jet device comprises a packer arranged on a tubing string, a jet pump in whose body a nozzle and mixing chamber are arranged and a stepped through channel is embodied and a sealing unit which is provided with an axial channel and mountable in said stepped channel.... Agent: Patenttm.us

20070081905 - Piston-type compressor: This invention is to provide a piston-type compressor that assures optimal lubrication by supplying oil in plentiful quantity to a sliding portion in a cylinder block having cylinders formed therein, through which pistons slide reciprocally. A crankcase is defined by a cylinder block 1 having formed therein a plurality of... Agent: Rader Fishman & Grauer PLLC

20070081904 - Variable displacement type compressor: A first swash plate 18 is coupled to a drive shaft 16 to be rotatable integrally with the drive shaft 16. Single head pistons 23 are coupled to the first swash plate 18 via shoes 25A, 25B. Rotation of the drive shaft 16 rotates the first swash plate 18, which... Agent: Morgan & Finnegan, L.L.P.

20070081906 - Vented turbocharger center housing and method: A turbocharger (300) for an internal combustion engine (500) includes a center housing (304) connected to a turbine housing (302) and a compressor housing (306). A shaft (318) is in a bore (314) of the center housing (304). An oil supply passage (328) is in fluid communication with the bore... Agent: International Engine Intellectual Property Company

20070081907 - Diaphragm pump: A diaphragm pump and a method for aligning thereof, the pump including an electric motor, a motor shaft, driven by the electric motor for rotation about an electric motor shaft axis, an eccentric drive, driven by the electric motor, via the motor shaft, to provide reciprocal driving along a pump... Agent: Darby & Darby P.C.

20070081908 - Compressor: An oil pump is provided with helical grooves 142 and 142′ carved on the outer periphery of the shaft 125, with an approximately cup-shaped sleeve 146 loosely fit to the outer periphery of the shaft such that the bottom part of the shaft and the bottom plate of the above-mentioned... Agent: Wenderoth, Lind & Ponack L.L.P.

20070081909 - Hydraulic lock for axial motion output device: A system for locking the axial position of an axial motion output device upon the loss of an electrical input signal includes a locking device operatively associated with the output device and adapted for movement between a neutral position in which the output device can move freely relative to the... Agent: Edwards & Angell, LLP

20070081910 - Compressor valve plate with spiral groove: A compressor includes a discharge and/or suction valve whose valve seat has a spiral groove that faces the valve. When the valve is closed, the spiral groove provides a minute fluid passageway between the valve and the valve seat. The spiral groove reduces fluid adhesion between the valve and the... Agent: William J. Beres Trane, Patent Department -12-1

20070077151 - Control system for air-compressing apparatus: An air-compressing apparatus has four compressors individually supplying compressed air to a tank having a pressure sensor. The pressure sensor is connected to control circuits of the compressors. The control circuits compute times needed for the tank pressure to reach minimum and maximum pressures, respectively, of the tank by using... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070077152 - Aliquot correction for feeding set degradation: A peristaltic pump is able to deliver accurate volumes over the life of a pump set that is operated on by the pump to drive the flow of fluid. The pump delivers fluid in small volumes or aliquots. In order to deliver fluid at any particular selected flow rate, the... Agent: Tyco Healthcare - Edward S. Jarmolowicz

20070077153 - Rechargeable ac/dc pump: A pump uses a power source to deliver power to a second power source while driving a fluid displacement device. The pump includes a fluid displacement device and a circuit coupled to a first power source and a second power source. The first power source may draw a first current... Agent: Brinks Hofer Gilson & Lione

20070077154 - Pump enclosure: A pump enclosure comprises a base, a plurality of pillars, and a cover. One of the pillars comprises interconnecting aluminium extrusions defining therebetween a housing for pump control circuitry. This pillar can also provide a heat sink for dissipating heat generated during use of a pump away from the control... Agent: The Boc Group, Inc.

20070077155 - Centrifugal pump with hydrodynamic bearing and double involute: A centrifugal pump with a hydrodynamic bearing and a double involute is disclosed. Some embodiments may include an impeller housing comprising a fluid entrance to allow fluid to enter and an impeller located within the impeller housing, the impeller comprising a plurality of impeller blades, a plurality of fluid channels... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate

20070077156 - Double diaphragm pump and related methods: A pump for transferring a process fluid has a first pump chamber and a second pump chamber. A motive fluid actuates the pump chambers and control flow valves. The direction of process fluid flow is controlled by varying the amounts of pressure or the use of a vacuum. The control... Agent: Stoel Rives LLP - Slc

20070077157 - 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 a bore, and a motor coupled to the piston for moving the piston relative to the cylinder housing in a reciprocating action, in order to... Agent: Charles E. Baxley, Esq.

20070077158 - Uniform flow displacement pump: A displacement pump comprising a pump assembly and a cassette assembly. The pump assembly includes upper and lower housing portions that define a cavity, an arm disposed in the cavity, a roller attached to the distal end of the arm, and a motor attached to the proximal end of the... Agent: Dla Piper Rudnick Gray Cary Us, LLP