Pumps inventions 08/07

20070201986 - Fan rotational speed controlling circuit: A circuit for controlling rotational speed of a fan includes a sensor, a first chipset, and a second chipset. The sensor detects an ambient temperature and generates a corresponding temperature signal. The first chipset provides a pulse-width modulation signal to the fan for driving the fan, and receives a rotational... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070201985 - Diaphragm pump of constant pressure type: The present invention provides a diaphragm pump of constant pressure type, mainly wherein a passage tube links between said pressure discharge port and said inlet port of said pump cover body; Thereby, the extra water pressure coming from said compressed chamber can be orderly discharged through said pressure discharge port,... Agent: Bacon & Thomas, PLLC

20070201987 - Micro flow rate generator, pump and pump system: A micro flow rate generator comprising a porous thin film placed in a channel, a pair of electrodes arranged on the opposite sides of the porous thin film, a means for supplying solution to the channel, and a DC power supply for applying a DC voltage between the pair of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070201988 - Vacuum pump: A vacuum pump comprises a rotor assembly mounted on a driven shaft, and a motor for rotating a drive shaft in forward and reverse directions. A driven member is located on the driven shaft and a drive member is located on the drive shaft for engaging the driven member to... Agent: The Boc Group, Inc.

20070201989 - Low ripple gear pump/motor: A gear pump system comprises a gear pump having an inlet, an outlet, and at least one rotating gear for pumping fluid from the inlet to the outlet and producing an output flow characterized by pressure pulses arising from the geometry of the teeth of the gear; and at least... Agent: Don W. Bulson (parker Hannifin) Renner, Otto, Boisselle & Sklar, LLP

20070201990 - Discharge system for compressors: A discharge system for compressors of the type which comprises: a cylinder block defining a compression chamber (2); a first discharge chamber (4); a second discharge chamber (6) in direct communication with the first discharge chamber (4); a third discharge chamber (7) in constant fluid communication with the second discharge... Agent: Darby & Darby P.C.

20070201991 - Valve for a compressor assembly: A compressor assembly including a separator having a separator space. The separator is operable to remove a liquid from a mixture of the liquid and a gas. The assembly includes a sump having a sump space that is positioned to receive the liquid from the separator. A valve is positioned... Agent: Michael Best & Friedrich, LLP

20070201992 - Infusion pump system, an infusion pump unit and an infusion pump: An infusion pump unit includes a housing sized to allow the pump unit to be carried as a portable unit. The housing contains a controllable pumping system for pumping fluid. The pump actuator is lighter, smaller, quieter and less power consuming.... Agent: Fish & Richardson P.C.

20070201993 - Disposable pumping apparatus based on flexible vessels in pressurized containers: An apparatus is provided for intended use in pumping a fluid under sterile conditions. In one embodiment, a first rigid container is internally pressurized to pump fluid through a first flexible vessel within the rigid container. In another embodiment, first and second containers are provided, each for receiving flexible vessels... Agent: King & Schickli, PLLC

20070201995 - Bearing protection for inverter-driven motor: A refrigerant motor/compressor employs both a serviceable shaft-grounding device and a ceramic coating to protect a rolling element bearing that could otherwise be damaged by high frequency induced common mode voltage and current originating from an inverter that includes a plurality of IGBTs (insulate gate bipolar transistors). The shaft-grounding device... Agent: William O'driscoll - 12-1 Trane

20070201994 - Submersible pump: A submersible pump includes: a single phase motor having a drive shaft extending in the vertical direction; a pump assembly which is driven by the single phase motor; a motor casing in which the single phase motor is contained; an external casing in which the motor casing is inserted to... Agent: Nixon Peabody, LLP

20070196214 - Sensor-less control method for linear compressors: A method of protecting a cylinder of a compressor comprising a piston, a linear permanent magnet (PM) having a coil and a magnet, and a sensor-less control of the PM for moving the piston in and out of the cylinder. The method including the steps of receiving a reference position... Agent: Ostrolenk Faber Gerb & Soffen

20070196213 - Metering pump with self-calibration and health prediction: A metering pump incorporates a method of relating inner loop current to a pump output pressure. Pump/motor speed, which correlates to current, is measured and controlled by a system controller. System temperature is also measured by the system controller. The controller monitors the measured system temperature and provides for compensation... Agent: Carlson, Gaskey & Olds, P.C.

20070196215 - Motor-compressor: Motor-compressor comprising a compressor, an electric motor directly connected to said compressor, wherein the compressor and the electric motor are integrated in a single unit, housed in a single box or casing.... Agent: General Electric Co. Global Patent Operation

20070196216 - Wobble plate compressor: A wobble plate compressor (101) comprises at least one wobble plate (017) assigned at least two piston-cylinder assemblies. The wobble plate compressor (101) forms a multistage compressor in which the piston-cylinder assemblies are connected in series in the flow and the cubic capacity of the piston-cylinder assemblies is progressively reduced... Agent: Frost Brown Todd, LLC

20070196217 - Cylinder head arrangement for a piston compressor: The invention concerns a cylinder head arrangement for a piston compressor, with a cylinder block, in which a compression chamber is formed, which is delimited on one side by a valve plate that is clamped between the cylinder block and a cylinder head cover. In order to provide a cylinder... Agent: Mccormick, Paulding & Huber LLP

20070196218 - Cord like manager and cord like manager kit: A manager system for managing peripherals of a sump pump having a base and a manager frame. The base has a predetermined characteristic related a sump holding the sump pump. The manager frame is attached to the base at a predetermined ergonomic location with at least one fastener. The frame... Agent: Perman & Green

20070196219 - Device and method for controlling a two cylinder thick matter pump: A device and a method for controlling a two-cylinder thick matter pump comprising conveyance pistons that are actuated in a push-pull manner by means of a hydraulic reversible pump (6) and hydraulic drive cylinders controlled by said pump. For each pressure stroke, the conveyance cylinders (50, 50′) are connected to... Agent: Akerman Senterfitt

20070196220 - Pump seat for an inflatable product: A pump seat for an inflatable product includes a hollow body with an open end. The body has a coupling portion formed at a side opposed to the open end. An opening is defined in the center of the coupling portion. A tongue is movably connected on the coupling portion... Agent: Charles E. Baxley, Esq.

20070196221 - Miniature blower fan: A miniature blower fan includes an axial seat and a shaft extending from a central portion of the axial seat. A plurality of vanes and a magnet are mounted to an outer circumferential wall of the axial seat. The vanes extend radially outward from the outer circumferential wall of the... Agent: Birch Stewart Kolasch & Birch

20070196222 - Pump comprising a moving wall and use of a pump of this type: The invention relates to a pump comprising a wall (3; 21, 22; 31, 32, 33), which forms an enclosed fluid volumetric space (1) and which can be moved by a first force (F) in a direction resulting in a decrease in volume and, after a preceding decrease in volumetric space,... Agent: Faegre & Benson LLP Patent Docketing

20070196223 - Nutating pump with reduced pulsations in output flow: A nutating pump is disclosed which has a modified piston and housing or casing that provides two distinct pump chambers or areas. Output from the first pump chamber is delivered during a first half of the dispense cycle or the piston movement cycle. A substantial portion of this output is... Agent: Miller, Matthias & Hull

20070196225 - Material feed container for a thick-matter pump: The invention relates to a material feed receptacle for a thick matter pump comprising a receptacle lower part and a receptacle top that is detachably connected to the receptacle lower part, a two-part front wall, a rear wall, two two-part lateral walls, an upwardly pointing material feed opening delimited by... Agent: William Collard Collard & Roe, P.C.

20070196224 - Reciprocating slurry pump with a continuous feed rate: In a two-cylinder slurry pump for the continuous feeding of, in particular, concrete, in which pump two feed cylinders remove the high-viscosity material from a pre-charging tank and deliver it to a feed line, a diverter valve is provided with a cross-section that narrows from an inlet opening assigned to... Agent: Van Dyke, Gardner, Linn And Burkhart, LLP

20070189905 - Multi-stage compression system and method of operating the same: A multi-stage compression system includes a plurality of centrifugal compression stages. Each stage includes an impeller and a variable speed motor coupled to the impeller. Each variable speed motor is operable at a speed between a first speed and a second speed. The multi-stage compression system also includes a control... Agent: Michael Best & Friedrich, LLP

20070189907 - Pump apparatus, system having the same, and method for operating the same: A pump apparatus includes a housing. A rotor is eccentrically accommodated in the housing. A motor rotates the rotor in the housing. A vane is substantially radially movable relative to the rotor. The vane has a radially outer end that is slidable relative to an inner circumferential periphery of the... Agent: Nixon & Vanderhye, PC

20070189906 - Multichamber tank for motor vehicles: A multichamber tank for motor vehicles comprises two chambers (4, 5) connected via a constricted region (6) located high up in the chambers, a first chamber (4) having a filler neck (2), and a line (13) bridging the constriction forming the connection to a second chamber (5). In order that... Agent: Bachman & Lapointe, P.C.

20070189908 - Jet pump: A jet pump is disclosed through which a liquid flows. The jet pump includes a jet nozzle including an injection port for injecting the liquid. The jet pump also includes a throat pipe including a throat passage that extends linearly. The throat pipe includes a downstream side with an open... Agent: Nixon & Vanderhye, PC

20070189909 - Apparatus for manufacturing semiconductor devices: Provided are apparatus and methods for manufacturing semiconductor devices and more specifically exhaust system apparatus and methods used in conjunction with a plurality of semiconductor processing chambers. The overall apparatus includes a plurality of process modules in which a semiconductor process is performed and an exhaust module to which the... Agent: Mills & Onello LLP

20070189910 - Fluid handling apparatus and method of handling a fluid: A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling structure, wherein the membrane comprises a first actuation component. A second actuation component is provided, wherein the first... Agent: Dicke, Billig & Czaja

20070189911 - Liquid pump: A housing of a pump apparatus includes an undivided cavity, an inlet valve through which liquid can enter the cavity, and an outlet valve through which the liquid can exit the cavity. A primary piston is configured to reciprocate in the cavity to draw the liquid into the cavity through... Agent: Patent Group 2n Jones Day

20070183903 - Fluid flow control system: A fluid flow control system (20) comprises a pumping assembly (22) for pumping a fluid (23) through an orifice (30), and a pressure measuring assembly (32) for measuring, and providing information on, the change in pressure across the orifice (30). The fluid flow control system (20) also includes a controller... Agent: Oliff & Berridge, PLC

20070183900 - Submersible pumping system: A technique is provided for pumping fluids in a subterranean wellbore. A submersible pumping system can be deployed in a wellbore for moving desired fluids within the wellbore. The pumping system energizes the desired fluid movement by reciprocating a working fluid between expandable members.... Agent: Schlumberger Reservoir Completions

20070183901 - Safety override circuit for pneumatic positioner and method of use thereof: Systems and processes may provide improved performance for a pneumatic positioner during a safety override. In certain implementations, a system and process may include may include the ability to receive an input control signal, power control circuitry of the pneumatic positioner using the input control signal, and generate a control... Agent: Fish & Richardson P.C.

20070183902 - Anti-entrapment and anti-dead head function: A pumping system includes a water pump for moving water. The pumping system includes means for determining a value indicative of a blockage that inhibits the movement of water through the pumping system, and means for determining a performance value of the pumping system. In one example, the pumping system... Agent: Pearne & Gordon LLP

20070183904 - Displacement control valve of clutchless variable displacement inclined plate-type compressor: A displacement control valve of a clutchless variable displacement inclined plate-type compressor for 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 (106) formed in the communication path and... Agent: Baker Botts LLP C/o Intellectual Property Department

20070183905 - Pond pump having a controllable suction volume: A pond pump includes a housing having a discharge port and an intake area, the intake area having a plurality of openings. A pump device is installed in the housing. A suction port in the housing is in fluid communication with the discharge port via the pump device. An intake... Agent: Cohen, Pontani, Lieberman & Pavane

20070183906 - Buoyancy engine apparatus: A buoyancy engine and compression device having a plurality of rotating flexible chains formed of individual segments, each having a plurality of compressible flotation members engaged thereon. The chains rotate around axises at upper and lower frames. The flotation members are alternately compressed and expanded during rotation around the upper... Agent: Donn K. Harms Patent & Trademark Law Center

20070183907 - Electronically commutated motor with bearing chamber defined by opposing abutment surfaces: An easy-to-assemble electric motor (21) features an internal stator (50), an external rotor (22) having a shaft (34), which external rotor is configured as a rotor cup or bell (24) having an outer side and an inner side (25), a bearing tube (70) for receiving a bearing arrangement (60) journaling... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070183908 - Contactless centrifugal pump: A centrifugal pump for use with a liquid is disclosed. The pump includes a hollow casing arrangement, a rotor and a magnet arrangement. The casing arrangement defines an interior and an intersecting axis, an intake port for receiving said liquid in use and communicating same to said interior and a... Agent: Hodgson Russ LLP The Guaranty Building

20070183909 - Vacuum pump: A method of inhibiting combustion within a vacuum pump is provided. The method steps include monitoring and composition of a fluid within the pump and supplying purge gas to the pump to inhibit the onset of a combustion of the fluid. There is also provided a pumping arrangement comprising a... Agent: The Boc Group, Inc.

20070183910 - Motor mount assembly for an air cleaner: A motor mount assembly for an air cleaner is provided according to an embodiment of the invention. The motor mount assembly includes a motor ring adapted for receiving a motor, a mount ring adapted to be received in the air cleaner, and a plurality of mounting vanes extending between the... Agent: The Ollila Law Group LLC

20070183911 - Filter, piston pump using the filter, and method of mounting the filter in a valve seat member of the piston pump: A filter to be mounted in a valve seat member for filtering liquid is proposed which can be manufactured without a drawing step, thereby improving productivity and cost performance of a piston pump in which such a filter is mounted. The filter is a flat metal plate including a main... Agent: Buchanan, Ingersoll & Rooney PC

20070183912 - Compressor: An air compressor formed of a plurality of collapsible members engaged between opposing rotating side members. The collapsible members alternate between a collapsed state and enlarged state during rotation around the side members which are engaged to polygonal segments of a generally circular rotating frame. Air compressed in each of... Agent: Donn K. Harms Patent & Trademark Law Center

20070183913 - Peristaltic pump including an elastically displaceable locking plate: A peristaltic pump is provided. The peristaltic pump includes a housing for a motors a receiving plate mounted to the housing, a locking plate, and a biasing member. The locking plate includes a first aperture capable of receiving a hook extending from a pump head, a second aperture capable of... Agent: Foley & Lardner LLP

20070177983 - Airflow compressor control system and method: A gas compression system is operable to deliver a flow of compressed gas to a point of use. The gas compression system includes a compressor that is operable to produce a flow of compressed gas at a first pressure, a motor operable to drive the compressor at a compressor speed,... Agent: Michael Best & Friedrich, LLP

20070177982 - Condition-based and predictive maintenance of compressor systems: Embodiments of the invention provide a condition-based maintenance tool that may be used to monitor, configure, and in some cases correct, problems experienced by a compressor in a pipeline system. The condition-based maintenance tool may evaluate data retrieved from a compressor status database to identify overconsumption events. In response, the... Agent: Air Liquide Intellectual Property Dept.

20070177984 - Sensor assembly, a fluid pump and a cooler: The present invention relates to a sensor assembly for measuring movements of a fluid pump, the fluid pump being driven by an electric motor and the electric motor being connectable to a feed voltage, the sensor assembly comprising an accelerometer and wherein the accelerometer is electrically associated to a bias... Agent: Alston & Bird LLP

20070177985 - Integral sensor and control for dry run and flow fault protection of a pump: A pump providing fault protection based on a controller receiving sensed pressure values from a pressure sensor included in a cavity of the pump, so as to be integral with the pump.... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070177986 - Method and apparatus for evaluating a dosing operation: During a method of evaluating a dosing operation, carried out by means of a dosing pump, for dosing a liquid medium in a vessel, filled at least partially with a gas, a pressure profile of the gas, present in the vessel, is detected at least periodically during the dosing operation.... Agent: Cantor Colburn, LLP

20070177987 - Displacement detection device for variable displacement compressor: A displacement detection device for a variable displacement compressor in which a swash plate which is connected to a piston through shoes in a housing slides relative to the shoes and rotates synchronously with a drive shaft with a wobbling motion in an axial direction of the drive shaft as... Agent: Morgan & Finnegan, L.L.P.

20070177988 - Structure for oil recovery in a compressor: In a structure for oil recovery in a compressor for separating oil from refrigerant and supplying the separated oil into the compressor through an oil supply passage, the compressor includes a rotary shaft, a cylinder block having a plural cylinder bores, a cam member rotated integrally with the rotary shaft,... Agent: Morgan & Finnegan, L.L.P.

20070177989 - Valve assembly for pressure washer pump: A pressure washer pump generally includes a pump housing that defines a cavity, an opening into the cavity and a bottom of the cavity generally opposite the opening. A valve assembly is disposed in the cavity through the opening. The valve assembly includes a cage member that contains a first... Agent: Harness, Dickey & Pierce, P.L.C

20070177990 - Centrifugal pump casing relief system: In a fluid flow network including a centrifugal pump, a system and kit for monitoring said centrifugal pump and relieving the pump of fluid when the pump is operating at no-flow conditions. The system comprises a fluid conduit connected to the pump, at least one sensor for indicating when the... Agent: Ryan Kromholz & Manion, S.c.

20070177991 - Oil separation structure in compressor: A muffler forming member defines a muffler chamber. Refrigerant discharged from a cylinder bore is sent to the muffler chamber. The muffler forming member is coupled to a circumferential surface of a housing of a compressor. An oil separation chamber is defined in a discharge pressure zone of the compressor.... Agent: Morgan & Finnegan, L.L.P.

20070177992 - Tube and tube pump: The tube 110 has a hollow portion 111 and a wall portion 112. The tube 110 has mutually contacting wall portions 111a that become compressed in such a way that the wall portion 112 comes into mutual contact in the hollow portion 111 through compression by a compressing mechanism 120,... Agent: Sughrue Mion, PLLC

20070177993 - Electric pump: An electric pump may comprise a pump case (110, 150) having a pump chamber. An impeller 143 may be rotatably disposed within the pump chamber. The impeller 143 may include a magnetized cylindrical portion 145. A stator 133 may be disposed opposite to the cylindrical portion 145 of the impeller... Agent: Dennison, Schultz & Macdonald

20070177994 - Compressor vibration damper: A vibration damper includes a first damping member coupled to a compressor, a second damping member coupled to the first damping member, and a dispersion member between the first and second damping members to disperse torsional vibration forces from the compressor. The dispersion member may also serve to disperse axial... Agent: Ked & Associates, LLP

20070177995 - Pump device: A centrifugal pump for use with a liquid forms one aspect of the invention. This pump comprises a housing and a rotor. The housing has an interior surface defining an interior cavity, an axis intersecting the cavity, an intake port for receiving liquid and communicating same to said cavity, and... Agent: Hodgson Russ LLP The Guaranty Building

20070177996 - Cooling channel for automotive hvac blower assembly: A centrifugal blower comprising a cooling air path having an inlet communicating with a blower space and an outlet communicating with the inlet of the motor airflow path, the cooling air path having an upstream portion that extends axially in the direction from the opposite end of the motor toward... Agent: Michael Best & Friedrich LLP

20070177997 - Resonant multilayered impedance pump: A multilayered impedance pump is formed by an inner tube and an outer tube which have different mechanical characteristics. The outer tube is relatively stiff, and can be used for a structural material. The inner tube is excitable, and a gel is placed between the inner and outer tube. The... Agent: Fish & Richardson, PC

20070177998 - Liquid chemical supply system: A liquid chemical supply system includes a liquid chemical pump having a pump chamber for supplying a liquid chemical and a volume variation member that will vary the volume of the pump chamber, and will intake or discharge the liquid chemical based upon a change in the volume of the... Agent: Oliff & Berridge, PLC

20070177999 - Electric pump for hydrogen circulation: An electric pump for supplying a hydrogen gas to a fuel cell includes a rotary shaft rotatably inserted through an electric motor, a transmitting member provided on one of an outer peripheral surface of the rotary shaft and an inner peripheral surface of the electric motor so as to be... Agent: Morgan & Finnegan, L.L.P.

20070178000 - Plunger pump with atmospheric bellows: A plunger pump including an airtight bellows surrounding a portion of a drive shaft to protect the drive shaft and associated seals and/or bearings from harmful fluids that are being pumped. No counter-pressure fluid exists inside the bellows, other than air, and the bellows is sufficiently rigid to withstand the... Agent: Michael Best & Friedrich, LLP