Pumps inventions 07/07

20070172359 - Immersion pump equipped with a float control device: The present invention relates to a synchronous pump structure, particularly to an immersion pump (1) equipped with a float control device (3) and comprising a synchronous electric motor (2) with a permanent magnet rotor (8). The pump (1) is so structured that the float (16) of the control device (3)... Agent: Akerman Senterfitt

20070172360 - Method for diagnosing operating states of a synchronous pump, and device for carrying out said method: The invention relates to a method for diagnosing operating states (36, 38, 40, 42) of a synchronous pump in a liquid circuit, particularly in a washing machine or similar. According to the inventive method, the alternating voltage (U) applied to the pump motor and the alternating current (1) of the... Agent: Richard M. Goldberg

20070172361 - Cleaning method of a rotary piston vacuum pump: A method for managing deposits within a pump mechanism (81) is provided. Fluid suitable for dissolving, diluting or otherwise disengaging deposits which have accumulated on the internal working surfaces of the pump is brought into contact with the mechanism. The performance of the pump is monitored and this data is... Agent: The Boc Group, Inc.

20070172362 - Microvalve device suitable for controlling a variable displacement compressor: A device is disclosed for controlling a variable displacement compressor. The device comprises a microvalve operated control valve. A microvalve device for controlling fluid flow and a micro spool valve for use as a microvalve are also disclosed.... Agent: Macmillan Sobanski & Todd, LLC

20070172363 - Centrifugal motor-compressor unit: A centrifugal compressor unit includes a driving means for rotatably driving a rotor, and at least one compressor including a statoric body and an arrangement of blade wheels mounted on a shaft which is rotatably driven by the rotor in the statoric body. The group formed by the motor and/or... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070172364 - Hydraulic gravity ram pump: A piston type pumping apparatus comprises a vertically oriented cylinder having a top and a bottom with a first aperture. There are first and second passageways for liquid in the cylinder at the top and bottom respectively thereof. A piston is reciprocatingly mounted within the cylinder and has an area... Agent: Norman M. Cameron

20070172365 - Supercharger: An oil seal structure of a supercharger (10) has an oil shield member (21), a seal housing (25), and an annular seal member (23) arranged between the oil shield member (21) and the seal housing (25). The oil shield member (21) has a portion in which an approximately circular outer... Agent: Griffin & Szipl, PC

20070172367 - Flow restricting devices in pumps: Restriction of flow along a shaft by interposing a split ring in the annulus between the shaft and housing. When the ends of the split ring are separated, the effective diameter of the ring is increased and a clearance between the ID of the split ring and the shaft is... Agent: Reed Smith LLP

20070172366 - Screw type liquid ring pump: Screw type liquid ring pump including a pump housing (9) with an inlet part (3) and an outlet part (11) and rotating helical screw rotor (8) inside the housing. The rotor is connected with a shaft (7) as well as a driving unit in the form of motor, preferably an... Agent: Roberts, Mlotkowski & Hobbes

20070172368 - Surgical cassette: A cassette having an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. A flow channel is molded into the rigid substrate that corresponds to a flow channel molded into the elastomeric sheet. The cassette is used in combination with a peristaltic pump having pump head rollers... Agent: Alcon

20070172369 - Pump, dispenser and corresponding process for dispensing a liquid or viscous mass: To improve sealing efficiency in a pump withdrawing liquid from a supply container (1) and to minimize the liquid residue in said container, the pump is designed to include a cylinder (5), a hollow plunger (6) configured within said cylinder, an external accessory pipe (7) configured at least partly within... Agent: Rankin, Hill, Porter & Clark LLP

20070166168 - Control system for a work machine and method for controlling a hydraulic cylinder in a work machine: A control system for a work machine (101) including an electric machine (202), a hydraulic machine (204) and at least one hydraulic cylinder (108). The electric machine (202) is connected in a driving manner to the hydraulic machine (204). The hydraulic machine (204) is connected to a piston side (208)... Agent: Novak Druce & Quigg, LLP (volvo Prosecution)

20070166169 - Method and arrangement for controlling a pumping station: A method and an arrangement for controlling a pump station includes measurement of the surface level of a liquid (465) by means of a sensor (452) and controlling the electric drive (401, 420, 430) of the pump (440) to a predetermined speed of rotation when a specific surface level value... Agent: Young & Thompson

20070166170 - Shape memory alloy wire driven positive displacement micropump with pulsatile output: Apparatuses and methods for pumping fluid are disclosed. An exemplary apparatus is a miniature pump that includes a shape memory wire that obtains a plastic condition below a transformation temperature and has a memorized shape such that the shape memory wire produces a work stroke by returning to the memorize... Agent: Gates & Cooper LLP Howard Hughes Center

20070166171 - Geyser pump: A system pumps liquid. The system includes a compressed air source and a pump for vertically moving the liquid upward. The pump is powered by the compressed air source. The pump includes a first container, a second container disposed interior to the first container, and a U-shaped tube disposed interior... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070166172 - Decorative fan and method of making and using the same: A decorative electric-powered, rotating, portable room fan includes a decorative resin base; a coupling mechanism; and a fan head attached to the decorative base through the unique coupling mechanism, wherein the resin nature of the base allows the base to be designed in numerous different highly attractive decorative configurations and... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20070166173 - Multi-stage, multi-phase unitized linear liquid entrained-phase transfer apparatus: An apparatus capable of receiving oil and gas from a recovery or other input source, compressing and/or pumping said oil and gas using multi-phase compressors with heat exchange means, and delivering said compressed gas to various destinations, including for use in oil and gas recovery.... Agent: Dr. Charles Walter

20070166174 - Statically sealed high pressure fuel pump and method: The invention relates to an apparatus and method of statically sealing a reciprocating-type fuel pump, such as a direct injection high pressure piston-type fuel pump. The first embodiment of the invention is a fuel pump comprising a pump body, a fuel reservoir within the pump body, wherein the fuel reservoir... Agent: General Motors Corporation Legal Staff

20070166175 - Axial bearing arrangement in a hermetic compressor: A magnetic axial bearing arrangement in a reciprocating hermetic compressor, comprising: a cylinder block (20) and a radial bearing hub (40); a crankshaft (50) securing a rotor (61) of an electric motor (60), said arrangement comprising at least one magnetic axial bearing assembly (100) formed of a pair of magnet... Agent: Darby & Darby P.C.

20070166176 - Linear compressor: The present invention discloses a linear compressor including a cylinder in which refrigerants flow to the axial direction, a piston reciprocated inside the cylinder, for compressing the refrigerants, and a linear motor for driving the piston. At least one of the cylinder and the piston is sintering molded.... Agent: Ked & Associates, LLP

20070166177 - Thin air processing device for heat ventilation air conditioning system: A thin air processing device suitable for wall mounting comprises a housing and located inside a crossflow blower, an air processing unit and a controller unit. The housing comprises a cover plate, a base and side parts. The blower comprises a casing, an impeller, an electric drive with a flat... Agent: Edward Lopatinsky

20070166179 - Cleaning system: A cleaning system has a high velocity fan held within an air-directing casing movably mounted between the lower ends of an inverted U-shaped yoke. The blade configuration of the fan assures that air is directed outwardly in a narrow beam. The system rotates about a vertical extendable support tube and... Agent: Robert W Pitts

20070166178 - Water well pump: A water well pump is shown which uses regenerative turbine technology. A submersible electric motor has an output shaft which drives multi-stage regenerative turbine stages of the pump. The various stages are made up of turbine impellers separated by intermediate plates. The turbine impellers have peripheral vanes which cooperate with... Agent: Charles D. Gunter, Jr. Whitaker, Chalk, Swindle & Sawyer, LLP

20070166180 - 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: The Nath Law Group

20070166181 - Ambulatory infusion membrane pump: Ambulatory membrane pump intended for medical use e.g. for infusion purposes, consisting of two main parts: 1) the basic device with motor drive and computer, and 2) the administration set, which is disposable. The arrangement with check valves in both ends of the administration system safeguards that no leakage happens... Agent: Venable LLP

20070160481 - Control scheme for a roof vent fan assembly: A method is provided for controlling a roof vent fan assembly having a fan motor operably coupled to a fan. The method comprises: monitoring an operating condition of the fan motor; detecting a jam condition of the fan based on the operating condition of the fan motor; and, upon detecting... Agent: Harness, Dickey & Pierce, P.L.C

20070160480 - No water / dead head detection pump protection algorithm: A method and apparatus are provided for controlling the operation of a pump, featuring steps of sensing a no water or dead head condition of the flow of the medium in the pump, and dynamically reducing the set-point of the pressure for monitoring the flow of the medium. In operation,... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070160482 - Combined compressing apparatus: In a scroll compressor, a fixed wrap of a fixed end plate engages with an orbiting wrap of an orbiting plate to form a compressing chamber. A gas is introduced into the compressing chamber from the outer circumference and compressed towards the center as the orbiting end plate revolves with... Agent: Zarley Law Firm P.L.C

20070160483 - Booster-type gas compressor: In a booster-type gas compressor, an electric motor in a motor case drives a crank shaft integrally connected to a driving shaft. The crank shaft is coupled to a piston rod extending perpendicular to the crank shaft and having a piston at the upper end. Rotation of the crank shaft... Agent: Ostrolenk Faber Gerb & Soffen

20070160484 - Booster-type gas compressor: A booster-type gas compressor comprises a compressed-gas flow path, a cylinder, and a piston that moves up and down in the cylinder to further compress a compressed gas fed into the cylinder from the compressed-gas flow path. In a crank case, a crank shaft is rotated with a driving shaft... Agent: Ostrolenk Faber Gerb & Soffen

20070160485 - Air pump with air noise reduction structure: An air pump operably by a motor to pump air is disclosed to include a body, an airbag unit, which is mounted in the body has multiple airbags each having an air chamber, a lifting mechanism rotatable by the motor to move the airbags to pump air, and an air... Agent: Bacon & Thomas, PLLC

20070154319 - Pumping system with power optimization: The present invention provides a pumping system for moving water of a swimming pool, including a water pump and a variable speed motor. In one example, a target volume amount of water and an operational time period is provided, and the operational time period is altered based upon a volume... Agent: Pearne & Gordon LLP

20070154320 - Flow control: A pumping system for moving water of a swimming pool includes a water pump and a variable speed motor. The pumping system further includes means for determining a first motor speed of the motor, means for determining first and second performance values of the pumping system, and means for comparing... Agent: Pearne & Gordon LLP

20070154321 - Priming protection: A method and apparatus are provided for determining a priming status of a pumping system. The pumping system includes a water pump and a variable speed motor. The method includes the steps of determining a reference power consumption of the motor, determining an actual power consumption of the motor, comparing... Agent: Pearne & Gordon LLP

20070154322 - Pumping system with two way communication: A pumping system for moving water of a swimming pool includes a water pump, a variable speed motor, and an arrangement for controlling the variable speed motor. The pumping system further includes an auxiliary device operably connected to the arrangement for controlling, and an arrangement for providing two-way communication between... Agent: Pearne & Gordon LLP

20070154323 - Speed control: A pumping system for moving water of a swimming pool includes a water pump, an infinitely variable speed motor, and an arrangement for operating the motor. In one example, the pumping system includes a memory configured to store a plurality of retained speed values, an arrangement for providing a plurality... Agent: Pearne & Gordon LLP

20070154324 - Downhole pumps with sand snare: A downhole pump has a barrel and a plunger which reciprocate with respect to each other. The plunger has a first portion with a first seal, a second portion and a third portion with a second seal. The second portion is intermediate the first and second portions. A balancing chamber... Agent: Decker, Jones, Mcmackin, Mcclane, Hall & Bates, P.C.

20070154325 - Method and system for monitoring a reciprocating compressor valve: A method for monitoring a condition of at least one valve positioned with respect to at least one of a first chamber and a second chamber of a reciprocating compressor is provided. The method includes establishing a compressor operation cycle including a valve opening event, a valve closing event and/or... Agent: John S. Beulick (17851)

20070154326 - High-pressure pump, in particular for a fuel injection system of an internal combustion engine: A high-pressure pump having a housing containing at least one pump element that has a pump piston driven by a drive shaft; the piston is guided so that it can slide in a cylinder bore of a housing part and delimits a pumping chamber therein. A support element supports the... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070154327 - Controllable capillary pump: A controllable capillary pump utilizing groupings of capillary tubes. Since individual capillary tubes produce different flow rates depending on their diameter, length and cross-sectional shape, it is possible to control the flow rate by providing different groups of capillary tubes. These groups may be included on a rotating cylinder so... Agent: Birch Stewart Kolasch & Birch

20070154328 - Rotary compressor: Disclosed is a rotary compressor having two compression capacities. The rotary compressor includes: a driving shaft (13) being rotatable clockwise and counterclockwise and having an eccentric portion (13a) of a predetermined size; a cylinder (21) forming a predetermined inner volume; a roller (22) installed rotatably on an outer circumference of... Agent: Birch Stewart Kolasch & Birch

20070154329 - Refrigeration cycle system: A refrigeration cycle system is provided with a two-cylinder type rotary compressor having one compression mechanism which includes a switching mechanism for switching a back surface side of a blade between a low pressure mode and a high pressure mode and controlling the inner space of the cylinder chamber to... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20070154331 - Reciprocating piston compressor having improved noise attenuation: A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap and the cylinder head of the compressor. The... Agent: Baker & Daniels LLP 111 E. Wayne Street

20070154330 - Refrigerant compressor: Disclosed is a hermetically enclosed refrigerant compressor comprising a hermetically tight compressor housing (1) inside which a piston-cylinder unit compressing refrigerant operates with an intake valve that is provided with an intake port (24) located in a valve plate (11) of the piston-cylinder unit. A suction muffler (16) which encompasses... Agent: William Collard Collard & Roe, P.C.

20070154332 - Vapor recovery pump: A vapour recovery pump for a fuel dispensing unit, comprising a housing with two chambers each having a vapour inlet valve and a vapour outlet valve, respectively, the chambers being separated by a movable piston arranged to move a distance between a first and a second end position inside the... Agent: Fish & Richardson P.C.

20070154333 - Blower motor: The present invention utilizes the characteristics of the fluid dynamic bearing and can prevent the movement of the impeller so as to hit the case body by rotating certainly, since the blower motor in the present invention includes the case body having the intake formed at the cover which is... Agent: Jordan And Hamburg LLP

20070154334 - Compressor and method of plate installation: A compressor has an electric motor element section having a rotor and a stator provided on the outer peripheral side of the rotor. An oil separation plate is installed on an upper end surface of the rotor with an end plate in between. The end plate is provided with a... Agent: GlobalIPCounselors, LLP

20070154335 - Air compressor unit inlet control method: A method allows for controlling the amount of electric current from an electrical circuit used by an electric motor in an electric motor driven reciprocating air compressor unit. A piston is reciprocated with a portable electric motor while air is channeled through an inlet into a compression cylinder, allowing the... Agent: Edward W. Goebel, Jr. Macdonald, Illig, Jones & Britton LLP

20070154336 - Fluid transportation device: A fluid transportation device includes: an outer case having a sealed space; a tube having elasticity; a fluid transport mechanism having fingers that occlude the tube and a cam that successively presses the plurality of fingers; a driving force transmission mechanism disposed so as to be overlapped with the fluid... Agent: Oliff & Berridge, PLC