Pumps inventions 06/07

20070148006 - Material delivery system using decoupling accumulator: A cementitious material delivery system may include a pump configured to pump cementitious material and an accumulator. The accumulator may be a decoupling accumulator and may contain a reservoir configured to store cementitious material, an accumulator inlet to the reservoir configured to receive cementitious material pumped by the pump, an... Agent: Mcdermott Will & Emery LLP

20070148007 - Estimation and control of a resonant plant prone to stick-slip behavior: A method and apparatus are provided for estimating and/or precluding stick-slip, or other oscillatory or resonant behavior, through use of a virtual transducer, which precludes the need for having sensors located adjacent to a driven element of the system, or adjacent contact surfaces at which the stick-slip relative motion may... Agent: Reinhart Boerner Van Deuren P.C.

20070148008 - Method of operating a high pressure cavitation chamber with dual internal reflectors: A method of operating a cavitation system in which the cavitation chamber is separated into at least three distinct chamber volumes by, for example, first fabricating and then installing a pair of gas-tight and liquid-tight seals into the cavitation chamber, is provided. Each chamber volume seal is fabricated from a... Agent: Patent Law Office Of David G. Beck

20070148009 - Vacuum ejector pumps: Disclosed herein is a vacuum ejector pump operated by compressed air which flows in and out at high velocity, thus creating negative pressure in an outer surrounding space (S). The vacuum ejector pump includes a cylindrical nozzle body (2) and a cover (10). The nozzle body has at a predetermined... Agent: Jackson Walker LLP

20070148010 - Peristaltic pump: The invention relates to a multi-channel peristaltic pump, wherein the housing is constituted by a dimensionally stable support frame (1) and a tube retainer (2) clipped thereto by means of a snap connection. A rotor (3) is provided with three rotatable delivery rolls (33a, 33b, 33c) and is mounted on... Agent: Michael D Beck Maginot Moore & Beck

20070148011 - Vane-cell pump provided with a deep-drawn metal-sheet pot: A pump, for instance for conveying lubricating oil to an internal combustion engine, in particular to multi-stroke vane-cell pump in which a rotatable group comprises a rotor whose vanes are movable at least in a radial direction, a stroke profile, vane heads tightly sliding along said profile and two lateral... Agent: Davidson, Davidson & Kappel, LLC

20070148012 - Multi-functional rotating means of electric fan: A rotating assembly for electric fan in one embodiment includes a rotating member provided on an end of the rotating shaft for fastening the fan blades and including a protrusion extended oppositely the rotating shaft, and a coil formed around the protrusion; a stationary magnetic mechanism formed around an end... Agent: Pro-techtor International Services

20070148013 - Fixing device and compressor apparatus having the same: A fixing device for a compressor includes main fixing units to prevent internal vibration generated due to the operation of the compressor and auxiliary fixing units to prevent external vibration generated due to external environment, such as transportation of the compressor, and stably maintains the installation state of the compressor,... Agent: Stanzione & Kim, LLP

20070148014 - Electrokinetic pump designs and drug delivery systems: The present invention provides a fluid delivery system having a first chamber, a second chamber and a third chamber; a flow-through pump element separating the first chamber from the second chamber; a moveable pump element separating the second chamber from the third chamber; a first outlet in communication with the... Agent: Shay Law Group, LLP

20070148015 - Diaphragm pump: A diaphragm unit includes a plurality of diaphragms which are layered on top of each other. A case and the diaphragm unit define a pump chamber. The diaphragm unit has a first surface and a second surface on the side opposite to the first surface. A support member for supporting... Agent: Woodcock Washburn LLP

20070148016 - Reciprocating drive apparatus and method: A reciprocating drive apparatus has a driving device and a driven device, one of the devices comprising a reciprocating member mounted for movement along a longitudinal axis. At least one rotary member is coupled to one of the devices and a linear bearing assembly has a linear guide rail and... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20070148017 - Numerically controlled reciprocating submersible pump apparatus: The invention relates to a new type of deep well pump apparatus, especially a numerically controlled reciprocating submersible pump apparatus having a drive integrated with a pump freely adjusting parameters online any time. The whole apparatus, including a balancing sieve tube, a drive and a pump, is submersed in underground... Agent: Smith, Gambrell & Russell

20070148018 - Reciprocating compressor: A reciprocating compressor is provided. The compressor includes a casing, a frame fixed to an inner circumferential surface of the casing, an oil storage portion formed in the frame, and an oil pocket formed at an outer circumferential surface of a piston and in communication with the oil storage portion.... Agent: Ked & Associates, LLP

20070148019 - Method and device for connecting several types of fans: A method and device for connecting different types of fans to an information apparatus is proposed. Connecting pins required by the fans suitable for the information apparatus are summarized and integrated into a connecting device. Then, connection between the connecting pins of the fans and those of the connecting device... Agent: Edwards Angell Palmer & Dodge LLP

20070148020 - Apparatus and method for pumping in an ion optical device: An apparatus and method for differential pumping of a mass spectrometer or other ion-optical device provides a transverse pressure drop introduced across a face of a primary rotor of a turbomolecular pump by placement of one or more partitions in close proximity to the face of the primary rotor. Thus,... Agent: Thermo Finnigan LLC

20070148021 - Pump: A pump includes a cylinder, a nozzle connected to an end of the cylinder, a piston movable in the cylinder, a rod connected to the piston, a ring installed at another end of the cylinder, a positioning device connected to the rod and a handle. The handle includes a connective... Agent: Nikolai & Mersereau, P.A.

20070148022 - Peristaltic pump: A peristaltic pump, for propelling liquid through a flexible pump tube, includes an outer casing having a guiding channel wherein an operating portion of the pump tube extends along the guiding channel. The peristaltic pump further includes at least two pressuring rollers supported at the outer casing in a radially... Agent: Raymond Y Chan

20070148023 - Pump: A pump includes a cylinder, a nozzle connected to an end of the cylinder, a piston positioned in the cylinder, a rod connected to the piston, a ring installed at an opposite end of the cylinder, a connector connected to the rod and a handle for connection to the connector... Agent: Nikolai & Mersereau, P.A.

20070148024 - Pump: A pump includes a piping and a pumping device. The pumping device includes a cylinder connected to the piping, a piston positioned in the cylinder, a rod connected to the piston, a ring connected to an end of the cylinder in order to retain the piston in the cylinder, a... Agent: Nikolai & Mersereau, P.A.

20070148025 - Compressor: A reed valve and a valve retainer for the reed valve are provided at a discharge port of a compression mechanism that compresses fluid. The valve retainer has a polymer actuator at an end part of a valve fixing part for fixing the reed valve. The polymer actuator expands or... Agent: GlobalIPCounselors, LLP

20070148026 - Compressor: A reed valve for opening and closing a discharge port of a compressor mechanism is provided with a protruding part which is formed at a distal end thereof to come in and out of the discharge port. The shape of the discharge port and the shape of the reed valve... Agent: GlobalIPCounselors, LLP

20070148027 - Rotary pump provided with an axially movable blade: A pump (10) possesses a rotor (70), the rotor collar (120) of which laterally delimits a pumping duct (124) with an inlet (152) and an outlet. An axially adjustable sealing slide (182) bears sealingly against the rotor collar (120) on both sides in the axial direction and subdivides the pumping... Agent: Darby & Darby P.C.

20070140866 - Oil-injection screw compressor: An oil-injection screw compressor in which oil is mixed into compressed gas, in order to prevent back flow during the no-load running and stoppage of the compressor body while contributing to a cost reduction, comprising: a compressor body; a motor for driving the compressor body; an inverter for variably controlling... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070140867 - Driving controlling apparatus of linear compressor and method thereof: A driving controlling apparatus of a linear compressor and a method thereof are disclosed, in which a stroke is variably controlled at the time of a compression processing and a suction processing thus to prevent a consumption power decrease and a refrigerating capacity deficiency phenomenon and to enhance a reliability... Agent: Ked & Associates, LLP

20070140868 - Pumping: A pump and a method of moving molten metal is provided in which a tube open at one end and closed at the other end cooperates with a secondary tube received within it, open at both ends, to pump metal from the open end of the tube down a space... Agent: Madson & Austin Gateway Tower West

20070140869 - System and method for determining onset of failure modes in a positive displacement pump: A reciprocating pump system is utilized. The system facilitates the prediction of failure modes due to degradation of pump components. A sensor system is used to monitor parameters indicative of abnormal events or wear occurring in specific components, such as pump valves. The indications of wear can be used to... Agent: Schlumberger Technology Corporation

20070140870 - Refrigerant compressor having an oil separator: A refrigerant compressor includes a compression mechanism, a discharge passage, and an oil separator. The compression mechanism compresses a refrigerant gas containing a lubricant oil. The refrigerant gas that has been compressed by the compression mechanism flows through the discharge passage. The oil separator is arranged in the discharge passage... Agent: Morgan & Finnegan, L.L.P.

20070140871 - Cams and cam followers: A cam (24) for use in a fuel pump, the fuel pump having a pump filling phase and a pump delivery phase, wherein the cam (24) comprises a cam surface (18) provided with a portion corresponding to the pump filling phase and a portion corresponding to the pump delivery phase.... Agent: Delphi Technologies, Inc.

20070140872 - Compressor assembly for air conditioner system: An air conditioning system includes a compressor assembly having a housing and a valve. The housing generally encloses a discharge chamber and a suction chamber. The valve is operative for controlling the pressure differential between the discharge and suction chambers. The valve includes a body, a ball, spring, flange and... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070140873 - Pump: A pump that has a cavity (13) in which is located a flexible membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided in an outlet (25). Also opening into cavity (13) is a port (22) to... Agent: Blakely Sokoloff Taylor & Zafman

20070140874 - Portable vacuum pump apparatus: The invention provides a portable vacuum pump apparatus that facilitates vacuuming to purge the air from a fluorocarbon refrigerant piping system of an air conditioner. A portable vacuum pump apparatus is used to purge the air from a fluorocarbon refrigerant piping system of an air conditioner by means of vacuuming.... Agent: Darby & Darby P.C.

20070140875 - Piezoelectric pump: A method, apparatus and system for a piezoelectric pump wherein the piezoelectric elements is made from a fluid retention material that contains voids that are used to transport fluid from one element of the piezoelectric material to the next in a sequential fashion. The pump can include the use of... Agent: Jonathan E. Grant

20070140876 - Seal section oil seal for submersible pump assembly: A seal section for location between a submersible rotary pump and motor has a primary mechanical seal and a secondary oil seal at the pump end of the seal section. The mechanical seal has rigid seal faces that slide in engagement with each other. The secondary seal has an inner... Agent: James E. Bradley Bracewell & Giuliani LLP

20070140877 - Shutdown seal for reactor coolant pump: A thermally actuated shutdown seal provides a shutdown seal usable in a pump having a primary seal assembly positioned circumferentially about a rotating shaft for separating a region of high pressure coolant fluid from the shaft. The shutdown seal includes a two-piece interlocked housing which encompasses carbon graphite ring segments... Agent: Charles N. Quinn Fox Rothschild LLP

20070140878 - Hydraulically-actuated diaphragm pump with a leak compensation device: A diaphragm pump including, in a pump body, a hydraulic control chamber disposed between a piston for executing reciprocating motion and the diaphragm, the pump including elements for compensating leaks from the hydraulic chamber, the elements including a refilling duct opening out into the hydraulic chamber via a normally-closed compensation... Agent: Young & Thompson

20070140879 - Air pump with improved air intake control 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 and an air inlet, a lifting mechanism rotatable by the motor to move the airbags to pump... Agent: Bacon & Thomas, PLLC

20070140880 - Peristaltic pumping mechanism having a removable cover and replaceable tubing, rollers and pumping mechanism: A peristaltic pump includes a pumping mechanism cover releasably coupled to a pumping mechanism base or gear case cover and configured to enshroud components including a roller assembly and tube. Removal of the pumping mechanism cover exposes the components to facilitate maintenance. The pumping mechanism cover may be locked into... Agent: Mark Young, P.A.

20070134101 - Pulsatile fluid delivery system: A system for delivering blood, cardioplegia solution, and other medications or fluids in a pulsatile flow pattern to a patient during cardiopulmonary bypass is disclosed. In a preferred embodiment, a pumping apparatus having at least one chamber is utilized in which a pumping action is achieved by compressing one of... Agent: Carstens & Cahoon, LLP

20070134102 - Piston compressor: A piston compressor in which carbon dioxide is used as a refrigerant is provided. The compressor includes a cylinder block, reciprocating pistons, a valve plate, a housing member, and sealing members. The cylinder block has an end face and a plurality of cylinder bores. The pistons are housed in the... Agent: Morgan & Finnegan, L.L.P.

20070134103 - Hydraulic distributor comprising an input element with a scavenging valve: The input element comprises a body provided with openings respectively connecting to the pump, the reservoir and enabling information return to the pump. The body comprises a bore enabling communication between the openings and which are respectively joined to the pump and the reservoir, whereby a piston is mounted therein... Agent: Oliff & Berridge, PLC

20070134104 - Modular portable compressor: A portable compressor package comprises a sub-frame module that comprises the mechanical components of an apparatus for ease of assembly in combination with associated structural modules for minimisation of assembly time and ease of assembly.... Agent: Hamilton Sundstrand Corporation

20070134105 - Acm cooling flow path and thrust load design: An air cycle machine includes a housing having a compressor housing portion. A shaft is supported by the housing and includes a thrust runner. A hydrodynamic thrust bearing is arranged adjacent to the thrust runner and includes upstream and downstream sides. A compressor rotor is mounted on the shaft. A... Agent: Carlson, Gaskey & Olds, P.C.

20070134106 - Turbocharger shaft bearing system: An improved bearing system is provided for use in high speed rotating machinery such as a turbocharger, wherein a turbocharger shaft is rotatably supported at opposite ends by a pair of angular contact bearings subjected to a predetermined and substantially constant thrust pre-load. The angular contact bearings are carried respectively... Agent: Kelly Lowry & Kelley, LLP

20070134107 - Feeding pump device of volume tube continually metering type: A feeding pump device of volume tube continually metering type comprises: a volume tube (1) provided with metering volume section (11), a dragging mechanism (2), and an unilateral inlet valve (8) and an unilateral outlet valve (7). Said volume tube (1) particularly have two unilateral inlet valves (8) and two... Agent: Nath & Associates

20070134108 - Reciprocating compressor: A reciprocating compressor is provided. The compressor includes a casing, a linear reciprocating motor provided inside the casing to generate a linear driving force, a cylinder fixed with respect to the casing, and a piston which reciprocates within the cylinder based on movement of the linear motor. An oil pump... Agent: Ked & Associates, LLP

20070134109 - Mini-fan: A mini-fan has a fan wheel (64) equipped with fan blades (80), and an electrical drive motor (61) for driving that fan wheel. The drive motor (61) has a permanent-magnet external rotor (62) and an internal stator (90), which latter is implemented as a claw pole stator having pole pieces... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070134110 - Fan capable of resisting reversed flow: A fan capable of resisting reversed flow includes a frame body, a fan wheel and at least two baffle parts. The frame body has an inlet and an outlet and provides at least an actuating device at the outlet side. The fan wheel is rotationally attached to the inner side... Agent: G. Link Co. Ltd.

20070134111 - Fuel cell compressor system: The invention provides a fuel cell compressor system that comprises a motor, including a motor shaft driven by the motor; a drive housing at least partially surrounding the motor shaft; a first gear set driven by the motor shaft; a carrier torque tube driven by the first gear set; and... Agent: John P. Guenther Dykema Gossett PLLC

20070134112 - Button diaphragm piston pump: A system, method, and process of using a button diaphragm for a piston pump are provided. The button diaphragm is a thin sheet of material with a raised bead located on its periphery. The button diaphragm also has a button with a button face and a relief. The button is... Agent: International Paper Company

20070134113 - Peristaltic pump: A hose compressed peristaltic pump is provided. The pump includes a base, a sidewall structure mounted on the base, and forming a containing space therein, a rotor having a center in the space and further having plural integral protrusions, and a hose disposed between the protrusions and the sidewall structure.... Agent: Volpe And Koenig, P.C.

20070134114 - Modular system for the control of compression systems: A modular system for the control of at least one compression system for the compression a fluid medium, said compression system comprising compressors (C1-C7) and their controllers (A1-A7) for the compression of the fluid medium, secondary treatment devices for the treatment of the medium delivered from the compressors, and piping... Agent: Dykema Gossett PLLC

20070134115 - Fuel supply pump and tappet structural body: The present invention provides a fuel supply pump which is suitably used in a booster-type accumulator fuel injection device and a tappet structural body which is suitable for the fuel supply pump. For this end, in a tappet structural body which includes a roller and a tappet body portion which... Agent: Arthur G Schaier Carmody & Torrance

20070134116 - Linear compressor: Disclosed herein is a linear compressor in which a piston reciprocally moves in a cylinder upon receiving a reciprocating drive force of a linear motor to compress working-fluid, for example, refrigerant, received in the cylinder. The linear compressor comprises the piston adapted to reciprocally move in the cylinder, the piston... Agent: Greenblum & Bernstein, P.L.C

20070128046 - System and method for control of fluid pressure: Embodiments of the present invention are related to a pumping system that accurately dispenses fluid using a multiple stage (“multi-stage”) pump. More particularly, embodiments of the present invention provide for control of a feed stage pump to regulate fluid pressure at a downstream dispense stage pump. According to one embodiment... Agent: SprinkleIPLaw Group

20070128047 - System and method for monitoring operation of a pump: Systems and methods for monitoring operation of a pump, including verifying operation or actions of a pump, are disclosed. A baseline profile for one or more parameters of a pump may be established. An operating profile may then be created by recording one or more values for the same set... Agent: SprinkleIPLaw Group

20070128048 - System and method for position control of a mechanical piston in a pump: Embodiments of the systems and methods disclosed herein utilize a brushless DC motor (BLDCM) to drive a single-stage or a multi-stage pump in a pumping system for real time, smooth motion, and extremely precise and repeatable position control over fluid movements and dispense amounts, useful in semiconductor manufacturing. The BLDCM... Agent: SprinkleIPLaw Group

20070128049 - Jet pump apparatus for a vehicle fuel tank: A jet pump apparatus for a vehicle fuel tank, the apparatus comprising a fuel manifold having a fuel inlet, connectable to a source of pressurised fuel, such as a fuel pump or fuel line, and a plurality of fuel outlets; a plurality of jet pumps, each jet pump having an... Agent: Delphi Technologies, Inc.

20070128050 - System and method for a pump with reduced form factor: Embodiments of the present invention provide pumps with features to reduce form factor and increase reliability and serviceability. Additionally, embodiments of the present invention provide features for gentle fluid handling characteristics. Embodiments of the present invention can include a pump having a motor driven feed stage pump and a motor... Agent: SprinkleIPLaw Group

20070128051 - Hybrid nutating pump: A nutating pump for creating pressure or a vacuum. The nutating pump includes a housing with a center support positioned within said housing. The center support includes a semi-spherical recess. The pump also includes a drive shaft adapted to be connected to an electric motor and an eccentric adapted to... Agent: Barnes & Thornburg LLP

20070128052 - Centrifugal fan: In a centrifugal fan, an impeller portion, fitted to a rotor portion which rotates with respect to a stator portion, rotates around a central axis J1. The impeller portion is housed in a housing comprised of a housing body and a cover portion. By rotation of the impeller portion, air... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070128053 - Pump: There is disclosed a pump, in particular a reciprocating pump. In one embodiment, a reciprocating pump (10) is disclosed which comprises an actuating cylinder (12); an actuating piston (16) mounted for reciprocating movement within the actuating cylinder; a discharge cylinder (52); a sleeve (40) releasably mounted within the discharge cylinder,... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070128055 - Diaphragm pump for medical applications: An implantable diaphragm pump for use in medical applications comprising a housing having a pump cap, a valve plate, a diaphragm, and a base plate, wherein the pump cap and the valve plate are separated by the diaphragm, and the valve plate and lower surface of the diaphragm serve to... Agent: Henricks Slavin And Holmes, LLP Advanced Bionics Corporation

20070128054 - Dosing pump for a liquid fuel additive: A dosing pump for a liquid additive in the fuel of a heavy fuel engine. The pump includes a piston, a cylinder and an actuator for moving the piston axially in the cylinder. The actuator is a high resolution linear actuator.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070128056 - Highly efficient durable fluid pump and method: A highly efficient fluid pump and pumping method are disclosed. The pump includes a cylinder, a piston in the cylinder defining a first and second volume in the cylinder, and a motive actuator for driving reciprocatively a rod attached to the piston at a rate of substantially sinmx for x=0... Agent: Duckor Spradling Metzger & Wynne A Law Corporation

20070128057 - Motor electrical connector employing liquid immersion protection: A discharge head having an internal electrical receptor for receiving and supporting an electrical connector, preferably for submersible turbine pumps. The electrical connector is protected by liquid immersion. The electrical connector is inserted into an internal electrical receptor within the discharge head. The electrical connector electrically couples a motor, which... Agent: Withrow & Terranova, P.l.l.c.

20070128058 - High-pressure pump: A plunger is inserted into a slide hole of a cylinder body provided between a pressurizing chamber and a drive cam, so as to reciprocate within the slide hole. The drive cam and a coil spring move the plunger toward the drive cam so that fuel is sucked into the... Agent: Kenyon & Kenyon LLP

20070128059 - Electroactive polymer pumping system: An electroactive polymer pump having an electroactive polymer mass forming a channel between an inlet and an outlet and an electrical distribution system in operational connection with the electroactive polymer mass for selectively energizing sections of the electroactive polymer mass to produce an oscillating intrusion of the sections of the... Agent: Schlumberger Reservoir Completions

20070128060 - Fluid transportation system, method for setting discharge amound of fluid: A fluid transportation system includes an elastic tube, a tube frame to which the tube is attached such that the tube forms a circular arc, a first cam and a second cam disposed inside the tube, and fingers which radially extend from a rotation center in the space between the... Agent: Harness, Dickey & Pierce, P.L.C

20070128061 - Fixed volume valve system: Embodiments of the present invention provide valves that provide for uniform holdup volume. An embodiment of the present invention provides a valve comprising a valve body (e.g., one or more pieces) that defines a valve chamber having a valve seat, an inlet flow passage, an outlet flow passage and a... Agent: SprinkleIPLaw Group