Pumps inventions 09/07

20070224050 - Condensate pump: A condensate pump for an HVAC system includes a reservoir with a top assembly, which includes control electronics, a pump motor, and a pump impeller, mounted on top of the reservoir. The condensate pump includes wall hangers. The top assembly has a top cover with four inlet openings, and the... Agent: Smith, Gambrell & Russell

20070224051 - Axial piston compressor, especially for the air conditioning system of a motor vehicle: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft (104), the compressor unit comprising pistons (118), which move axially... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070224052 - Integrated compressor muffler: A compressor with internal noise abatement. The pulsations inherent in the cyclic compression and expansion of the gas in a piston-actuated compressor create acoustic energy that produces unwanted noise. Those pulsations are damped in a single unique tapered muffler chamber internal to the compressor.... Agent: David Allen Hall

20070224053 - Oil pump: An oil pump in which pulsation vibration due to the dynamic pressure on the discharge port side can be attenuated. In an oil pump for transporting fluid from a suction port to a discharge port by the rotation of a rotor mounted in a pump casing, a resonator configured from... Agent: Mcginn Intellectual Property Law Group, PLLC

20070224054 - Smart lid: The invention provides a new method of preserving or prolonging the preservation of foods and beverages after a sealed container has been opened.* *This lid is form fitted to the container's content. The advantage of this lid should be obvious by the fact that foods and beverages can be preserved... Agent: Magnar J. Grande

20070224055 - Electrokinetic pump designs and drug delivery systems: One embodiment of the present invention provides a piston assembly having a piston housing filled with an electrolyte; a housing within the piston housing that divides the piston housing into a first portion and a second portion, the housing having apertures, a shaft connecting the housing to a piston head... Agent: Shay Law Group LLP

20070224056 - System and method for protecting a submersible motor: A technique is provided to facilitate pumping of fluids in a well. A submersible pumping system utilizes a submersible motor to power a submersible pump. A motor protector works in cooperation with the submersible motor to protect motor fluid within the submersible motor and to reduce differential pressures between the... Agent: Schlumberger Reservoir Completions

20070224057 - Tandem esp motor interconnect vent: An electrical submersible well pump assembly has upper and lower motors that are filled with oil. During installation in a well, the upper motor lowers into engagement with the lower motor. The drive shafts of the motors have splined ends that engage each other within a central cavity. A vent... Agent: James E. Bradley

20070224058 - Linear compressor assembly: A linear compressor assembly includes a housing having a bore formed therein, the bore being axially oriented along a first axis, a piston reciprocally disposed within the bore, and a plurality of drive coils adjacent the bore for energizing the drive coils to produce a magnetic field capable of displacing... Agent: Michael Best & Friedrich LLP

20070224059 - Miniature pump for liquid cooling system: A miniature pump in accordance with the present invention comprises a pump casing (10) and a liquid circulating unit (20) received in the pump casing. The pump casing comprises a hollow main body (14) transversely forming a spacing plate (126) and a partition wall (144) spaced from the spacing plate.... Agent: North America Intellectual Property Corporation

20070224060 - Pump header body and modular manifold: A modular header body is described for distributing fluid to an individually pumped fluid circuit. The modular header body has a valve to selectively isolate the header body's suction chamber from its volute, which permits a pump motor to be disconnected from the header body while the valve is closed.... Agent: Bond, Schoeneck & King, PLLC

20070224061 - Apparatuses and methods for reducing emissons of volatile organic compounds when pumping fluids containing volatile organic compounds with a positive displacement pump: An apparatus is provided for pumping a fluid, wherein the fluid comprises a volatile organic compound (“VOC”), the apparatus including: an enclosure for the exposed portion of the reciprocating piston or plunger; and a VOC-absorbing material operatively positioned to reduce VOC emissions from the enclosure to the atmosphere. According to... Agent: Crutsinger & Booth

20070224062 - Oil pump structure of transmission: In an oil pump structure of an automatic transmission using a torque converter, a hydraulic pressure chamber is defined by a pump housing and a pump cover, to rotatably accommodate therein inner and outer rotors. First and second inflow ports respectively communicating with an oil strainer and a control valve... Agent: Foley And Lardner LLP Suite 500

20070224063 - Peristaltic pump, method for manufacturing a hose therefor, and hose for such a pump: A pump for circulating a medium comprising an elastically deformable hose which lies against a pressing surface, and has a medium inlet and a medium outlet; and pressing elements which move along the hose and press the hose part in contact with a pressing element against the pressing surface while... Agent: The Webb Law Firm, P.C.

20070217920 - Electronic device and program storage medium: A rotation number calculating section calculates rotation numbers per unit time on the basis of pulse signals, a CPU calculates an accumulated rotation number on the basis of a sum of products of the rotation numbers read at a predetermined time interval and the predetermined time, determines whether the accumulated... Agent: Staas & Halsey LLP

20070217919 - Peristaltic pump: A peristaltic pump having an adaptive pulsation profile.... Agent: Alcon

20070217921 - Jet pump, fuel feed apparatus having the same, and method for welding the same: A jet pump is provided for supplying fuel from a fuel tank into a sub-tank, which is accommodated in the fuel tank. The jet pump includes a welded portion adapted to being welded to an outer wall surface of a bottom portion of the sub-tank. A swirl portion defines therein... Agent: Nixon & Vanderhye, PC

20070217922 - Device for pumping fuel: In known devices for pumping fuel, suction jet pumps are used which are driven by the fuel flowing back from the internal combustion engine and pump fuel from a supply tank into an impoundment container of a fuel pumping unit. In known suction jet pumps, the suction power is limited... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070217923 - Two set-point pilot piston control valve: The subject invention provides a compressor assembly for an air conditioning system for a vehicle. The compressor assembly is of the variable displacement angle wobble plate type, and includes a housing that defines a suction cavity, a discharge cavity, and a crankcase. An electronic control valve controls the flow of... Agent: Delphi Technologies, Inc.

20070217924 - Tool case for an air compressor: An apparatus includes a compressor. The compressor has an air pump and a tank configured to store air compressed by the air pump. The compressor is configured to be used while in an operating position in which the tank is in an upright position. In the upright position, the tank... Agent: Patent Group 2n Jones Day

20070217925 - Variable discharge pump: A variable discharge pump is provided, the pump comprising a pumping chamber and a reciprocating plunger disposed within a plunger bore so as to reciprocate within the pumping chamber. The pump also has an electrically actuated spill control valve which opens or closes fluid communication between the pumping chamber and... Agent: Caterpillar Inc. Intellectual Property Dept.

20070217926 - Fuel injection pump: The invention provides a fuel injection pump comprising a pump housing and a pumping arrangement associated therewith, wherein the pumping arrangement includes a pumping plunger and a plunger drive arrangement, the pumping plunger having a first end reciprocably received within a plunger bore provided in the pump housing and a... Agent: Delphi Technologies, Inc.

20070217927 - Fuel injection pump: A fuel pump for use in an internal combustion engine comprises a pump housing provided with a plunger bore, a pumping plunger which is movable within the plunger bore by means of a cam drive arrangement to perform a pumping stroke to pressurise fuel within a pumping chamber and a... Agent: Delphi Technologies, Inc.

20070217928 - Battery forklift truck: A battery forklift truck using a permanent magnet type synchronous motor, wherein the permanent magnet type synchronous motor for load handling is installed separately from a traveling motor driving wheels. The maximum rotational speed of the motor for load handling is set lower than that of the traveling motor to... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070217929 - Diaphragm pumping device: A diaphragm pumping device includes a housing having a partition to form two chambers and two ports communicating with the respective chambers for receiving a fluid, one or more bladders attached to the housing and communicating with the chambers of the housing respectively, and an actuating device for actuating the... Agent: Charles E. Baxley, Esq.

20070217930 - Reciprocating electromagnetic pump: A piston in a pump reciprocates by using forces of repulsion and attraction for an electromagnetic element toward a magnetic element. So fluid is pumped and guided with the help of several valves at different places in the pump.... Agent: Troxell Law Office PLLC

20070217931 - Peristaltic pump with field generator: A peristaltic pump assembly for moving a working fluid. The pump assembly includes an expandable fluid that changes in volume due to the presence of a magnetic and/or electric field. The pump assembly also includes a flexible member interposed between the working fluid and the expandable fluid. The pump assembly... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20070217932 - Method and system for providing adjustable compression force on a tube in a peristaltic pump: A cassette for use in a peristaltic pump is provided. The cassette includes a cassette frame, a cam, a cam position selector switch, and a biasing member. The cassette frame mounts to the peristaltic pump. The biasing member mounts to the cam and to the cassette frame and operably couples... Agent: Foley & Lardner LLP

20070217933 - Tubing cassette for a peristaltic pump: The invention concerns a hose cartridge for a peristaltic pump comprising a cartridge housing, comprising a flexible pump hose segment extending through the cartridge housing, wherein both ends of the pump hose segment are fixed in the cartridge housing by means of a first fixing member and of a second... Agent: Mayer & Williams PC

20070212229 - Method and apparatus for pump protection without the use of traditional sensors: The present invention provides protection for centrifugal pumps while differentiating between dangerous operating conditions (e.g. dry running, minimum flow and runout) and/or conditions where transient conditions (e.g. closed valve operation) may occur and the protection can be revoked once the condition clears. The methodology utilizes a calculated flow value which... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070212230 - Method for optimizing valve position and pump speed in a pid control valve system without the use of external signals: The present invention provides an algorithm that utilizes flow reference data which can be mathematically determined as a function of various pump and motor parameters such as speed, torque or power or from calibrated flow curves stored in an evaluation device, or from an external flow reference such as a... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070212231 - Channel form for a rotating pressure exchanger: A pressure exchanger for transferring pressure energy from a first liquid in a first liquid system to a second liquid in a second liquid system, having a housing with inlet and outlet connection openings for each liquid and a rotor (1) arranged in the housing for rotation about a longitudinal... Agent: Crowell & Moring LLP Intellectual Property Group

20070212232 - System and method for cooling a compressor motor: Apparatus and methods are provided for cooling motors used to drive gas and air compressors. In particular, the cooling of hermetic and semi-hermetic motors is accomplished by a gas sweep using a gas source located in the low-pressure side of a gas compression circuit. The gas sweep is provided by... Agent: Mcnees Wallace & Nurick LLC

20070212233 - Air compressor: An air compressor includes a main device on which an air tube collector or an electric wire collector is mounted. The air tube collector includes a bracket mounted on the main device, a rotary member pivoted to the bracket and coupled to an air tube, and a crank connected to... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070212234 - Suction muffler: Provide a suction muffler capable of enhancing the reliability of compressor, by preventing production of molten resin (slag) which solidifies in the suction muffler. Fit or put in contact with each other bonding portion (140) of a plurality of resin members (105), (120) formed in advance by injection molding, and... Agent: Wenderoth, Lind & Ponack L.L.P.

20070212235 - Pump and motor arrangement: A pump station comprising includes a motor and pump arrangement, a tank for holding a liquid; and a frame for supporting the tank generally above the motor and pump arrangement. The motor and pump arrangement includes a motor having a drive shaft rotatable about a first longitudinal axis and a... Agent: Barnes & Thornburg LLP

20070212236 - Portable air/gas compressor: A portable air/gas compressor capable of manufacturing compressed or pressurized air/gas. In at least one embodiment, compressors capable of producing clean, dry, compressed air/gas (e.g., either in naturally occurring atmospheric nitrogen/oxygen ratios or as purified nitrogen or in alternative ratios therebetween) employing atmospheric air as a starting material. In at... Agent: Hall, Vande Sande & Pequignot, LLP

20070212237 - Magnetic suspension pumps: A magnetically suspended piston pump comprises a cylinder made of cylindrical permanent magnet, a piston made of circular permanent magnet, and a circular magnetic plate located at an end of the cylinder, in which an outer surface of the piston has an identical magnetic polarity with an inner surface of... Agent: Thelen Reid Brown Raysman & Steiner LLP

20070212238 - Rotodynamic fluid machine: A rotodynamic fluid machine includes a motor arranged for directly driving a shaft, a pressurized motor housing having end walls through which the shaft passes via dry gas seals to enclose the motor, elements for maintaining the pressure within the motor housing which pressure is different from the pressure outside... Agent: Young & Thompson

20070212239 - Vacuum hand pump and vacuum sealable bag valve system and method: A vacuum hand pump and valve system which fits in the palm of a hand and has a deployable crank handle used to turn a vane in order to create a vacuum in a container.... Agent: Fliesler Meyer LLP

20070212240 - Peristaltic pump with a removable cassette: A peristaltic pump is provided which includes a removable cassette that can be mounted to the peristaltic pump using a single hand of a user. The peristaltic pump includes, a pump frame, a plurality of rollers configured to mount to the pump frame, an actuator operably coupled to move the... Agent: Foley & Lardner LLP

20070212241 - Vibratory pump with adapter and high pressure mechanism: The present invention is a vibratory pumping apparatus that increases the ease and effectiveness of use of the apparatus. More specifically, the apparatus includes an adapter engageable with a conventional motive member, such as an electric drill, in order to enable the apparatus convert the rotational motion of the motive... Agent: Boyle Fredrickson S.c.

20070212242 - Valve plate of a piston cylinder: The structure of an air outlet valve plate of a piston cylinder of an air pump is disclosed. The air outlet valve plates comprises a cylinder mount, an air outlet valve plate, a cylinder, a cylinder inner pad and piston module, characterized in that the cylinder mount is locked to... Agent: Leong C Lei

20070207040 - Pump system with calibration curve: A pumping system for pumping one out of a number of fluids with varying viscosities. The pumping system may include a positive displacement pump and a control for operating the positive displacement pump. The control may include viscosity compensation data. The viscosity compensation data relates to at least one of... Agent: Sutherland Asbill & Brennan LLP

20070207041 - Method of operating a peristaltic pump: A method for operating a peristaltic pump having a molded flow channel contained on an elastomeric sheet that is bonded or mechanically attached to a rigid substrate. The pump head rollers are mounted radially from the axis of rotation of the pump motor and compress the elastomeric flow channels against... Agent: Alcon

20070207043 - Enclosed vertically mounted engine: A fuel powered machine having an engine with an output shaft that extends substantially downward from the engine. The output shaft is rotationally connected with a working member that is located substantially below the engine. A frame rigidly supports the engine and the working member and all are enclosed within... Agent: Brinks Hofer Gilson & Lione

20070207042 - Engine shroud: A machine is provided that includes an engine that rotates an operating member. Each of the engine and the operating member is supported on a frame that supports each of the engine and the operating member. A shroud is mounted to the frame independently of the engine and the operating... Agent: Brinks Hofer Gilson & Lione

20070207044 - Fan and method for manufacturing the same: A fan includes a shaft, a hollow, approximately cylindrical rotor yoke that rotates around the shaft as a rotation axis and is open toward one of its axial ends, a rotor magnet secured to an inner circumference of the rotor yoke, and an impeller secured to an outer circumference of... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070207045 - Compressor: A helical screw rotor compressor adapted for working against a pressure container whose pressure P is allowed to vary between a lowest pressure P2 and a highest pressure P1, said compressor being driven by an electric motor. The electric motor is characterised by having in one operating range defined by... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070207046 - Protector for electrical submersible pumps: A system and method is used to protect a motor of a submersible pumping system. A variety of motor protector features are provided to facilitate operation of the motor protector and submersible pumping system in multiple wellbore environments and applications.... Agent: Schlumberger Reservoir Completions