Pumps inventions 12/07

20070297919 - Oscillating variable displacement ring pump: An oscillating variable displacement ring pump provides both positive and variable displacement. A housing circumscribes a pump chamber. The pump chamber encases an oscillating ring driven by a crankshaft. The crankshaft's offset shaft is located inside the pump chamber. The ring encircles the offset shaft. A bearing rotatably attached to... Agent: Jean M. Macheledt

20070297920 - Transfer case pump bracket: The transfer case pump bracket for use with a fluid pump in a transfer case of a vehicle is at least partially received within a pump cavity between the transfer case and the fluid pump. The transfer case pump bracket comprises a base member and one or more support members... Agent: Van Dyke, Gardner, Linn & Burkhart, LLP

20070297921 - conduit seat for an atomizing device: A conduit seat for an atomizing device. The conduit seat is characterized in that one end face of the conduit seat has an water-in and water-out hole corresponding to that of a pump body, and one end face is provided with low pressure water-in tube and high pressure water-out tube,... Agent: Leong C Lei

20070297922 - Air blower: The air blower includes a case body having an air suction mouth and an outlet formed at a peripheral wall thereof; a motor which is installed into the case body, having a fluid dynamic bearing; and an impeller which is fixed to a rotation member of the motor, having a... Agent: Jordan And Hamburg LLP

20070297923 - Blood pump device: A blood pump device comprises a housing having a blood inflow port and a blood outflow port, an impeller having a magnetic body or bodies and rotated in a non-contact state in relation to the inside surface of the housing to feed blood, an impeller rotating torque generating section for... Agent: Buchanan, Ingersoll & Rooney PC

20070297924 - 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

20070297925 - Integrated electric motor driven compressor: A motor driven compressor assembly includes a motor housing having a fluid inlet and a fluid outlet. A motor is disposed within the motor housing and includes a rotor that is coupled to a rotatable shaft and a stator. Several passages fluidly connect the fluid inlet and the fluid outlet.... Agent: Carlson, Gaskey & Olds, P.C.

20070297926 - Multistep diaphragm pump: A multistep diaphragm pump comprising: a pump body; a main shaft; a reciprocated driving mechanism driven by the main shaft; a driving shaft connected with the reciprocated driving mechanism and extended into the working chamber of the pump body; on the relevant driving shaft there is provide a plurality of... Agent: Greenberg Traurig, LLP

20070297927 - 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 cross-shaped venting groove 22e extending from the opening 22d of the passage 22b to the periphery of the wall surface... Agent: Oliff & Berridge, PLC

20070292276 - Membrane pump with bleed valve: A suction pump, in particular a breast pump, comprises a bleed valve with a bleed opening (44, 54, 67), a bleed body (32) which seals the bleed opening and an operating means (8) for operating the bleed body. The bleed body may be operated such that upon opening the valve... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070292277 - Wellhead drive brake system: The present invention provides in one aspect a braking mechanism for slowing the release of torsional potential energy in a rod string of a wellhead drive system on the shutdown or power failure thereof. The braking mechanism, without using a slip clutch, slows the backspin of the rod string by... Agent: Dimock Stratton LLP

20070292278 - Axial flow pump and marine propulsion device: A mechanically reconfigurable marine propulsion device that adapts to engine torque and/or vessel speed thereby providing improved propulsive efficiency and performance. The axial flow propulsion device has two or more stages each having an impeller section and a stator section. Stator vanes and/or the pumping chamber provide a flow diffusion... Agent: Lawrence Harbin Mcintyre Harbin & King

20070292280 - Inside and outside structures of discharging refrigerant in bi-directional swash plate type compressor: There are provided inside and outside structures for discharging a refrigerant in a bi-direction swash plate type compressor, and more particularly, inside and outside structures of discharging a refrigerant in a bi-directional swash plate type compressor in which, when a discharge port for discharging a refrigerant is positioned in a... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20070292281 - Device and method for amplifying suction noise: An amplification device for amplifying suction noise of a vehicle is disclosed herein. An embodiment of the amplification device comprises an intake duct, a connecting pipe, an elastic membrane member and a contact member. The intake duct feeds air into an engine inlet port. A connecting pipe is connected to... Agent: Rader, Fishman & Grauer PLLC

20070292279 - Swash plate type compressor: A swash plate includes a boss, which is mounted on the drive shaft, and a plate portion, which extends from the boss to be inclined with respect to the drive shaft. A rotary valve includes a suction passage, which sequentially connects cylinder bores in a suction stroke via an associated... Agent: Woodcock Washburn LLP

20070292282 - Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor: A reciprocating compressor or pump features a manifold arranged not only to define a hollow interior for receiving fluid discharged from a plurality of cylinders but also to define a base or frame on which the cylinders are carried. Unique valves formed in part by flexible material reduces the likelihood... Agent: Ade & Company Inc.

20070292283 - Thrust balancing in a centrifugal pump: A centrifugal pump includes a casing having an impeller chamber, an inlet, an outlet, and a bearing chamber. A shaft disposed within the casing has an impeller end and a motor end. The impeller is coupled to the impeller end of the shaft and is disposed within the impeller chamber.... Agent: Harness, Dickey & Pierce, P.L.C

20070292284 - Muffler installation structure for compressor: A muffler installation structure for compressors includes an end plate member fitted to an opening end of a cylinder body, a cup-shaped muffler fitted to the end plate member, and a fixing member for fixing the muffler to the end plate member. At places near the fixing member, an inner... Agent: GlobalIPCounselors, LLP

20070292285 - Diaphragm pump: A diaphragm pump assembly including a control module for controlling the discharge and suction strokes of the diaphragm. The diaphragm pump includes a pump housing defining a pump chamber having a flexible diaphragm supported within the chamber that divides the chamber into a pumping chamber and a pumpage chamber. The... Agent: John R. Hlavka Watts Hoffmann Co., L.p.a.

20070292286 - Linear compressor: A linear compressor with a pumping chamber, in which a piston moves back and forth, and a frame, fixed to the pumping chamber, on which an oscillating body, connected to the piston, is fixed by at least one spring such as to move back and forth and provided with at... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20070292287 - Combined pump: The combination pump is a novel pumping system for fluids (liquids, gases) and for multiple-phase mixtures. This combination pump (7) comprises a helical rotor (2) on which a rotodynamic impeller (8) is mounted. The assembly consisting of the helical rotor (2) and impeller (8) turn without touching inside a helical... Agent: Miller, Matthias & Hull

20070292288 - Multiple pusher liquid color pump: A liquid color pumping includes a housing, a plurality of pushers within the housing, a deformable tube for transporting liquid color from the supply thereof to where the liquid color will be used with the tube being positionably removable in the housing at a location at which of the pushers... Agent: Charles N. Quinn Fox Rothschild LLP

20070292289 - Piston compressor producing an internal cooling air flow in the crankcase: A compressor piston including a piston in a cylinder; a connecting rod connecting the piston to a crankshaft in a crankcase by a roller bearing; and an air inlet line and an air outlet line in a cylinder head. A tube connection between the air inlet line and the crankcase... Agent: Barnes & Thornburg LLP

20070292290 - Liquid color injection pressure booster pump and pumping methods: A pump for boosting pressure of liquid color for injection into plastic resin in molding or extrusion apparatus includes a housing having a first bore extending in a first direction and second and third bores extending through the housing and communicating with the first bore proximate a first end of... Agent: Charles N. Quinn Fox Rothschild LLP

20070286736 - Fire pump for firefighting vehicle: An improved fire pump for a firefighting vehicle is provided. The fire pump is capable of being positioned at least partially under a rear portion of the cab of a firefighting vehicle. The pump includes a shaft, an impeller supported by the shaft, and a pump housing which encloses the... Agent: Foley & Lardner LLP

20070286737 - Pump control apparatus, system and method: An apparatus, system and method for more accurately monitoring and determining pump failure. The apparatus and system include at least a power circuit, a current sensing circuit, alarm circuit and a controller. The controller is connectable to and receives an input from the current sensing circuit. The controller is configured... Agent: Bell, Boyd & Lloyd, LLP

20070286738 - Vacuum ion-getter pump with cryogenically cooled cathode: A vacuum ion-getter pump includes a vacuum chamber having a pumping port, an anode positioned in the vacuum chamber, a cathode positioned in the vacuum chamber in proximity to the anode, a voltage source coupled between the anode and the cathode, a magnet assembly to produce a magnetic field in... Agent: Varian Inc. Legal Department

20070286739 - Apparatus for driving microfluid and driving method thereof: An apparatus for driving microfluids is provided. The apparatus comprises a driving unit and a microfluidic chip. The driving unit comprises a substrate and a film, wherein the film is combined with the substrate. Moreover, the microfluidic chip is coupled with the driving unit.... Agent: Haverstock & Owens LLP

20070286740 - Hydraulic unit and method for providing a pressurized hydraulic fluid: An hydraulic unit provides a pressurized hydraulic fluid at an outlet. The unit has an electric motor and a pump operated by the motor for generating pressure. A reservoir having a variable compensation volume stores the hydraulic fluid primed by the pump in a gas-free manner. The hydraulic fluid is... Agent: Lerner Greenberg Stemer LLP

20070286741 - Pump with variant strokes: A pump with variant strokes has a body, a piston assembly and a decelerating member. The body and the decelerating member are respectively mounted adjacent to the piston assembly. A holder is mounted in the piston assembly and has multiple openings. When the decelerating member is driven to rotate and... Agent: Thomas E. Sisson Jackson Walker, LLP

20070286742 - High-pressure fuel pump: A high-pressure fuel pump is disclosed that includes a pump housing with a suction port hole for defining a suction port, a pressure chamber for sucking fuel from the suction port, and a delivery port hole for defining a delivery port delivering fuel pressurized in the pressure chamber. The fuel... Agent: Nixon & Vanderhye, PC

20070286743 - Self-energizing pump for overrunning clutch: A pump includes a cam member and an armature plate received on an input shaft rotatably supported with a differential housing of a clutch. The pump also includes a cylinder rod slidingly received in a chamber of a master cylinder to pressurize a hydraulic fluid. The cam member includes a... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20070286744 - Fan apparatus and electrical equipment including such apparatus: A fan includes a plurality of blades 9 carried by a hub housing 10 mounted on a rotatable motor shaft 6. The shaft 6 includes a heat pipe 11 to transfer heat from the motor bearings 7 and 8 to a heat dissipative plate 15. The fan is particularly useful... Agent: Lucent Technologies Inc. Docket Administrator - Room 3j-219

20070286745 - Integrated mixing pump: A mixing pump includes a power cylinder and a second cylinder wherein one of the power cylinder and the second cylinder is interchangeable between single and double acting and wherein a working fluid is supplied to the power cylinder under pressure.... Agent: Osha Liang L.L.P.

20070286746 - Ventless gas-driven pumping system: A ventless gas-driven pumping system controlled via a plurality of pneumatic valves and associated switches, for driving a diversity of process pumps at a natural gas well site. The ventless pumping system is readily interconnected with any gas pipeline location and uses flowing well gas and consequent differential pressure to... Agent: Al Harrison Harrison Law Office, P.C.

20070286747 - Drive control device of fuel pump: A drive control device of a fuel pump for sucking fuel in a fuel tank supplying the fuel to an internal combustion engine, and using a motor with a brush as a drive source thereof. The drive control device includes a starting current reduction control device that starts the fuel... Agent: Nixon & Vanderhye, PC

20070286749 - Drive for vacuum pump: A drive arrangement for a vacuum pump includes a separation member arranged between the motor stator and the motor rotor, and at least two, coaxial with each other and axially spaced from each other, guide surfaces, the separation member being formed as a separation sleeve which is supported and centered... Agent: Abelman, Frayne & Schwab

20070286748 - Sprayer for application of textured finish to surfaces: A sprayer for providing a regulated flow of material to a gun includes apparatus for fixing a substantially-cylindrical stator to a circular port of a pump housing block. Such apparatus includes a pair of clips that are pivotally fixed to the exterior of the pump housing block. The clips are... Agent: Elliott N. Kramsky, Esq.

20070286750 - Linear rod pump apparatus and method: An apparatus and method for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, include a linear rod pump having a mechanical rack and pinion drive arrangement, adapted for attachment to a pumping mechanism, such as the polished rod at the top of a rod string... Agent: Reinhart Boerner Van Deuren P.C.

20070286751 - Capacity control of a compressor: A linear compressor that is operated at a frequency greater than the natural frequency of the spring-mass system of the compressor. Operating the compressor at such a frequency can increase the output of the compressor. In one embodiment, the linear compressor includes a cylinder block having a cylinder bore, a... Agent: Baker & Daniels LLP 111 E. Wayne Street

20070286754 - Circulation pump and method for production of a circulation pump: To provide a circulation pump comprising a housing, in which a pump space is arranged, a pump impeller, which can be rotated about a rotational axis, and an electric motor to drive the pump impeller, that can be produced simply and economically, it is proposed that the housing have a... Agent: Lipsitz & Mcallister, LLC

20070286752 - Water pump especially for ponds, aquariums, fountains or the like: A water pump has a housing with a pump housing part, provided with an intake opening and an exit opening, and a motor housing part. An impeller with a shaft is rotatably arranged in the pump housing part. An electric pump motor is arranged in the motor housing part, wherein... Agent: Gudrun E. Huckett Draudt

20070286753 - Electric motor: The invention relates to an electric motor comprising a permanent magnet rotor, which is supported rotationally about a central axis, a wound stator having a cylinder ring-shaped stator winding, claw poles, which are disposed perpendicularly to ring disc-shaped stator plates and around the central axis, and a cylinder jacket-shaped yoke... Agent: Jacobson Holman PLLC

20070286755 - Cassette clamping mechanism: A mechanism having a pair of pivoting cassette clamping bars. The clamping bars are connected to a pneumatic cylinder or an electromechanical actuator through a series of links and an actuator wheel so that extension and retraction of the pneumatic cylinder or the electromechanical actuator causes the clamping bars to... Agent: Alcon

20070286756 - Roller pump: The invention relates to a roller pump consisting of a stator with a pump bed formed therein and a rotor for acting on a hose inserted into the pump bed in arcuate form. In accordance with the invention, the ends of the tube guided out of the pump bed cross.... Agent: Jacobson Holman PLLC

20070280833 - Oscillating type compressor: An oscillating type piston is connected to an output shaft of an electric motor through a crankshaft. The piston is provided with a lip ring that slidingly contacts a cylinder. The motor is rotated forward and reversely by using a control circuit. Thus, different regions of the piston are subjected... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070280834 - Sputter ion pump having an improved magnet assembly: A sputter ion pump (1) has an improved magnet assembly comprising primary magnets (9a, 9b), disposed on opposite ends of the pump cells of an anode, and secondary magnets (11; 11′, 11″) disposed on one side only of the pump cells, whereby the assembly exhibits an asymmetrical configuration. The sputter... Agent: Varian Inc. Legal Department

20070280835 - Displacement control valve of variable displacement inclined plate-type compressor: A displacement control valve of a variable displacement inclined plate-type compressor, the displacement control valve controlling the discharge displacement of the compressor by opening and closing a communication path between a discharge chamber and a crank chamber. The displacement control valve has a valve hole formed in the communication path... Agent: Baker Botts LLP C/o Intellectual Property Department

20070280836 - High pressure pumping apparatus: A pressure intensifier assembly comprising:—(i) a high-pressure barrel assembly; (ii) pressurizing means; (iii) a first and a second end closure assembly; (iv) a tension frame assembly adapted to resist axial load exerted, in use, along the longitudinal axis of the high-pressure barrel assembly; characterised in that the intensifier assembly further... Agent: Flaster/greenberg P.C. 8 Penn Center

20070280837 - Vortex pump: A vortex pump comprises: an impeller that includes a plurality of blades at an outer circumference and a rotor magnet placed at an inner circumference; a shaft fixed at a center of the impeller; a bearing component placed at an outer circumference of the shaft; a motor stator placed at... Agent: Reed Smith, LLP Attn: Patent Records Department

20070280838 - Dual-cylinder rocking piston compressor: A duel-cylinder reciprocating rocking piston-type compressor is disclosed with side foot mounts resulting in reduced compressor vibration and noise. An optimum vertical height for the foot mounts as well as an optimum lateral or axial position along the compressor body relative to the piston connecting rod are also disclosed. Specifically,... Agent: Miller, Matthias & Hull

20070280839 - Display device for a portable instrument such as a watch: A display device for a portable instrument includes at least a first transparent or semi-transparent plate arranged on a bottom element. Several closed cavities are formed at least in part in the first plate in the field of view of the device to display information. Each cavity is connected by... Agent: Griffin & Szipl, PC

20070280841 - Hydrodynamic thrust bearings for rotary blood pumps: A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering... Agent: Cooper & Dunham, LLP

20070280840 - Fan: Fan includes wires electrically connected to the circuit board outwardly extends from a base toward a housing along a rib connecting the base supporting a motor and the housing. The housing includes a wire-receiving section defined by a through hole extending in the housing, and a slit connecting the through... Agent: Volentine & Whitt PLLC