Pumps inventions 06/08

20080152507 - Infusion pump with a capacitive displacement position sensor: Various methods and devices are provided for an electrokinetic infusion pump. In one embodiment of the invention, the infusion pump includes an infusion pump module, which can be configured to dispense an insulin containing infusion liquid, and an electrokinetic engine. The infusion pump module includes a capacitive displacement position sensor... Agent: Nutter Mcclennen & Fish LLP

20080152508 - Pump and pump control circuit apparatus and method: A method and apparatus for a pump and a pump control system. The apparatus includes pistons integrally formed in a diaphragm and coupled to the diaphragm by convolutes. The convolutes have a bottom surface angled with respect to a top surface of the pistons. The apparatus also includes an outlet... Agent: Greenberg Traurig (phx)

20080152509 - Integrated micro-pump and electro-spray: Disclosed is a micro-pump having at least one channel on a substrate where the channel has an inlet and an outlet. The micro-pump includes a first and second electrode coupled to the substrate, wherein the electrodes deliver a current that produces an electric field across the substrate to create a... Agent: Hanley, Flight & Zimmerman, Llc

20080152510 - Valve for controlling flow of a primary fluid: A valve for controlling flow of a primary fluid in a primary flow channel is defined in a valve region by a deformable membrane. The primary flow channel includes a core in the valve region, and a housing which defines a void outside the primary flow channel in the valve... Agent: Kirton And Mcconkie

20080152511 - Power transmission device of a compressor: A power transmission device of a compressor includes a rotary shaft, a pulley, a hub, a power shutoff member, a spacer and a cylinder. The power shutoff member shuts off excessive torque transmission between the pulley and the rotary shaft of the compressor. The spacer is disposed on the rotary... Agent: Woodcock Washburn LLP

20080152512 - Infiltration pump having insulated rollers and programmable foot pedal: An infiltration apparatus, having a cannula, a flexible tubing connecting to one end of the cannula, a peristaltic pump comprising a pathway for the flexible tubing to extend through and a plurality of non-conductive rollers installed along the pathway to exerting force on the flexible tubing, a container in fluid... Agent: Stetina Brunda Garred & Brucker

20080152513 - Hydraulic circuit arrangement with recovery of energy: The invention relates to a hydraulic circuit arrangement having a first pump which is driven by an electric motor and is assigned to a lifting cylinder, wherein, in order to recover energy, the electric motor can be operated as a generator and the first pump can be operated as a... Agent: Zarley Law Firm P.L.C

20080152515 - Reciprocating antirotation pump: A pump for pumping discrete liquid volumes is provided with an anti-rotation construction to prevent a nut mated to a rotating head screw from rotating when the lead screw is rotated. The anti-rotation construction comprises a set of rails that slideably fit within a mating set of tracks. The pump... Agent: Paul J. Cook

20080152514 - Small refrigerant compressor: The invention relates to a compressor for hermetically sealed small refrigeration machines, comprising a cylinder with a cylinder housing and a piston that is guided in the piston bore of the cylinder and that compresses a working medium. The cylinder is sealed by a disc-type valve plate in the axial... Agent: Collard & Roe, P.c.

20080152516 - Compressor housing: A compressor housing comprising an upper shell and a lower shell assembled at a peripheral weld seam. At least one shell extends from the center of the housing beyond the weld seam outwards and upwards.... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20080152518 - Air compressor enclosed in shroud having tab isolator: The present invention is directed to an air compressor enclosed in a shroud with plastic tab isolators. In an exemplary aspect of the present invention, an air compressor may include an air tank for containing air at an elevated pressure, and a shroud for enclosing the air tank. The shroud... Agent: The Black & Decker Corporation

20080152517 - Multiple pump unit and vehicle with multiple pump unit: A multiple pump unit is used for operating a plurality of actuators, and includes a plurality of pump shafts and a plurality of hydraulic pumps. The plurality of pump shafts is driven by an electric motor. The plurality of hydraulic pumps is driven by the plurality of pump shafts. Pressurized... Agent: Cantor Colburn, LLP

20080152519 - Gas-oil separator with an oil type air compressor: A gas-oil separator with an oil type air compressor includes a gas-oil separator, a gas storage tank, and an oil return valve. The gas-oil separator installs a filer cylinder, and a helical vane in a serrated disk shape disposed at the top of the filer cylinder. After the air compressor... Agent: Rabin & Berdo, P.c. Suite 500

20080152520 - Hermetic compressor: A hermetic compressor including a cylinder defining a compressing chamber, a piston to rectilinearly reciprocate in the compressing chamber so as to compress a refrigerant, a rotating shaft having an eccentric shaft portion to be eccentrically rotated, and a connecting rod to connect the eccentric shaft portion and the piston... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.l.p.

20080152521 - Ultra-low friction air pump for creating oscillatory or pulsed jets: An air pump positioned within a hollow space in an aerodynamic structure for controlling the flow over an aerodynamic surface thereof, includes a movable member linearly displaced by a very low friction piston mechanism and a compression chamber open to the exterior of the aerodynamic surface through an orifice. Reciprocal... Agent: Ostrager Chong Flaherty & Broitman, P.c.

20080152522 - Fluid pump and motor unit: A pump powered partly by a mechanical drive and partly by a pressurised fluid flow, offering energy savings up to 90% in reverse osmosis systems. The pump consists of one or more piston-in-cylinder assemblies. One face of each piston provides a pumping action while a pressurised driving fluid flow is... Agent: Harness, Dickey & Pierce, P.L.C

20080152523 - Y-type fluid end with replaceable suction module: A fluid end assembly for a high pressure pump receives a fluid from a fluid supply manifold and supplies the fluid to an outlet manifold. The assembly includes a housing with a removable suction module. The housing has a plunger bore to receive a reciprocating plunger, a suction passage intersects... Agent: Barnes & Thornburg LLP

20080145237 - Injection pump apparatus: A pump monitoring and flow control system that provides direct indication and control of discharge flow on gas driven positive displacement or diaphragm injection-type pumps. The device uses a “tell-tale” check valve that drives a proximity switch each time the tell-tale valve, installed as the output check valve on a... Agent: Alworth Law & Engineering

20080145238 - Vacuum exhaust apparatus and drive method of vacuum exhaust apparatus: Pairs of rotors (R1, R2, R3, R4, R5 and R6) driven rotationally by a motor (22) are disposed in the body (21) of a main pump (20) comprising a multistage Roots dry vacuum pump. A suction opening (23) communicating with the rotor chamber of the rotor R1 is provided in... Agent: Floyd B. Carothers Carothers And Carothers

20080145239 - Variable displacement compressor: A variable displacement compressor includes a compressor housing, a rotary shaft, a lug plate, a swash plate, a hinge mechanism, a supply passage and a bleed passage. The compressor housing includes a pressure control chamber having a front region which extends between the swash plate and the lug plate, and... Agent: Woodcock Washburn LLP

20080145240 - Control system and method for protection against breakage of lubricanting-oil film in compressor bearings: The present invention relates to a control system for protection against breakage of the lubricating-oil film in the bearings of hermetic compressors, as well as to a control method that has the objective of guaranteeing that a variable-capacity compressor should be maintained above a minimum rotation in order to prevent... Agent: Alston & Bird LLP

20080145241 - Arrangement and method for a compressed air system: The invention includes an arrangement for a compressed air system including an air compressor arranged to generate compressed air for the compressed air system, an air dryer arranged to dry the generated compressed air and an arrangement for unloading the air compressor in certain conditions. The arrangement for unloading includes... Agent: Wrb-ip LLP

20080145242 - Dual chamber discharge muffler: A dual chamber discharge muffler for a compressor. The dual chambers of the discharge muffler are separated by a check valve that closes upon shutdown of the compressor, which in turn limits the amount of exhaust gases in the discharge muffler that are able to return to the compressor. The... Agent: Harness, Dickey & Pierce, P.L.C

20080145243 - Vacuum pump with a hood: A vacuum pump includes a pumping system (30) located in a pump housing (1) and a hood (1) at least partially surrounding the pump housing at least in the region of the pumping system to provide for at least partial dissipation of heat generated in the pumping system.... Agent: Abelman, Frayne & Schwab

20080145244 - Compressor for a tire repairing kit: A compressor for a tire-repairing kit contains a second toothed wheel provided with a journal. The journal is functionally connected to a piston in such a way that the piston moves up and down when the second toothed wheel rotates. The inertial forces of the piston carrying out the up... Agent: Lerner Greenberg Stemer LLP

20080145245 - Compressor for tire inflating combination: An air compressor device includes a piston slidably engaged in a cylinder housing and having an outer peripheral groove formed by a base peripheral surface and two side surfaces, to form an outer opening and an inner recess, a motor is coupled to the piston to move the piston in... Agent: Charles E. Baxley, Esq.

20080145246 - Fan and fan housing thereof having flapper: A fan includes a motor base, a motor, an impeller, and a fan housing. The fan housing accommodates the motor base, the impeller, and the motor, and includes at least one flapper disposed at the corner of the fan housing via a plurality of connecting elements for covering the opening... Agent: Birch Stewart Kolasch & Birch

20080145247 - Hermetic compressor: A hermetic compressor including a drive unit, a piston, a rotating shaft including an eccentric shaft portion and a weight balance portion located below the eccentric shaft portion, and an oil flow path having an upper oil hole formed in the rotating shaft and adapted to allow oil to be... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.l.p.

20080145248 - Liquid chemical supply system and liquid chemical supply control device: The amount of fluctuation in the bellows type partition member 14 that accompanies the operation of a discharge side valve 32 will be detected by a displacement sensor 58. The amount of fluctuation is a parameter that indicates a correlation with the abrupt flow of liquid chemical that accompanies the... Agent: Oliff & Berridge, Plc

20080145249 - Dynamic range motor for a pump device: A pump system selectably and dynamically controls the flow rate of a fluid being delivered to a patient's body over a wide range of flow rates. The pump system includes an infusion tubing, a pumping mechanism, a motor drive assembly in mechanical communication with the pumping mechanism, a user input... Agent: Sutherland Asbill & Brennan LLP

20080145250 - Oiler pump: An oiler pump comprises a housing defining a cylinder and a chamber, a manually displaceable piston received in the cylinder, a spring in the chamber between the housing and the piston, a first one-way check valve on a first end of the piston, a second one-way check valve on the... Agent: Rankin, Hill & Clark LLP

20080145251 - High pressure pumping apparatus with coupled volumes in a pump working chamber: A pumping apparatus (10), for delivering liquid at a high pressure at which compressibility of the liquid becomes noticeable, comprises a piston (20) adapted for reciprocation in a pump working chamber (30), wherein a movement of the piston (20) into a first direction (40) decreases a first volume (V1) in... Agent: Agilent Technologies Inc.

20080138210 - Micropump for integrated device for biological analyses: A micropump includes a body (10) of semiconductor material, accommodating fluid-tight chambers (32), having an internal preset pressure, lower than atmospheric pressure. The fluid-tight chambers (32), sealed by a diaphragm (35) that can be electrically opened, are selectively openable using a first electrode (37) and second electrodes (38), accommodating between... Agent: Baker & Mckenzie LLP

20080138211 - Pump and valve system: A device (10) which can operate as a pump or a valve includes a pump chamber (31), a fluid inlet passageway (34) and a fluid outlet passageway (37). A valve assembly (40) is positioned between the fluid inlet passageway (34) and the pump chamber (31) and between the pump chamber... Agent: Edward G. Greive Renner, Kenner, Greive, Bobak, Taylor & Weber

20080138212 - Axial piston compressor: Compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing (1) and, for drawing in and compressing a coolant, a compressor unit arranged in the housing (1) and driven by means of a drive shaft, the compressor unit being regulated by means of the pressure... Agent: Volpe And Koenig, P.c.

20080138213 - Capacity control valve: A capacity control valve of the present invention includes a valve body (40) integrally having a first valve portion (41) for opening/closing a discharge-side path for having a discharge chamber (11) communicate with a control chamber (12) and a second valve portion (42) for opening/closing a suction-side path for having... Agent: Wenderoth, Lind & Ponack, L.l.p.

20080138214 - Chemical liquid supplying apparatus: A chemical liquid supplying apparatus capable of discharging chemical liquid with high accuracy and monitoring a leakage of an incompressible medium from a region between a piston and a cylinder is provided. A pump has a flexible tube for partitioning a pump chamber and a drive chamber, and the incompressible... Agent: Mccormick, Paulding & Huber LLP

20080138215 - Dosing pump unit: The invention relates to a dosing pump unit for mixing a liquid reducing agent with an exhaust gas flow by means of a dosing pump (2) which is connected, on the input side thereof, to a connection connectable to a reducing agent tank (4) and, on the output side thereof,... Agent: Panitch Schwarze Belisario & Nadel LLP

20080138216 - Fan motor device: A fan motor device includes a fan base, an impeller set and a motor set. The fan base extends a central barrel with ball bearings fitting with the barrel. The impeller set further includes an impeller, a shaft, a spring, a motor case and a magnet. The motor set further... Agent: G. Link Co., Ltd.

20080138217 - Blower having wire holding structure: A blower includes a housing, a motor disposed in the housing, a wire extending out of the housing, and a wire holding structure. One end of the wire is electrically connected to an external power source, and the other end thereof is electrically connected with the motor, thereby supplying the... Agent: Pce Industry, Inc. Att. Cheng-ju Chiang

20080138218 - Mciropump, tube unit, and control unit: A micropump of a peristaltic type that continuously transfers a fluid through depression of an elastic tube is disclosed. The micropump includes: a tube unit configured to at least include the tube, a tube guide frame that fixedly holds the tube, and a tube individual data storage section that stores... Agent: Harness, Dickey & Pierce, P.L.C

20080138219 - Vacuum pump: A vacuum pump comprises a molecular drag pumping mechanism and a regenerative pumping mechanism. A rotor element of the molecular drag pumping mechanism surrounds rotor elements of the regenerative pumping mechanism.... Agent: The Boc Group, Inc.

20080138221 - Dosing pump unit: The invention relates to a metering pump assembly for admixing a fluid reduction agent into an exhaust gas flow with a metering pump (2) for delivering the reduction agent and with a premixing device (39), in which in a mixing region (18), the reduction agent delivered by the metering pump... Agent: Panitch Schwarze Belisario & Nadel LLP

20080138220 - Hydraulic pump of automatic transmission: A hydraulic pump of an automatic transmission includes: a pump housing; a pump cover attached to the pump housing; a bush attached to the pump housing; a rotor mounted between the pump cover and the pump housing; an oil input port between the pump housing and the pump cover; an... Agent: Morgan, Lewis & Bockius LLP (sf)

20080138222 - Fluid transporting device, and fluid transporter: A fluid transporting device comprises a tube frame having a tube guide wall for arranging a tube having an elasticity in an arcuate shape, and a rotary pressure mechanism having a plurality of rollers. The rotary pressure mechanism is arranged, when the tube is arranged in the tube frame, on... Agent: Harness, Dickey & Pierce, P.L.C

20080138223 - System and method for pumping fluid using a pump cassette: A system and method for pumping fluid using a pump cassette. The system includes a control assembly for operating the pump cassette. A force assembly having a movable member is capable of applying force to the pump cassette to press the pump cassette against the control assembly. The movable member... Agent: Michelle Saquet Temple

20080138224 - Fluid end: A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number of vertical passages... Agent: Welsh & Katz, Ltd

20080138225 - Hydraulic piston pump: A hydraulic piston pump in which a cylinder port (4b) can be communicated with a discharge port (9) after a system pressure (Po) and a chamber pressure (Pi) in a cylinder bore are in an equilibrium state. A through-hole (16) opened in that surface of a valve plate (7) on... Agent: Everest Intellectual Property Law Group

20080131286 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131287 - Vsd control: A compressor is powered by a motor which is, in turn, powered by a variable speed drive (VSD). The voltage/frequency relationship of the VSD may be adjusted dynamically to maximize efficiency or permit performance within a compressor performance envelope otherwise unavailable in view of the VSD and motor.... Agent: Bachman & Lapointe, P.c. (utc)

20080131289 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131288 - Vacuum pump: A vacuum pump exhausting gas by rotating a rotor relative to a stator includes a rotor having a ferromagnetic body provided on a rotational axis on, or near, a rotational axis of the end face of a rotational axis direction of a rotational body. The ferromagnetic body's Curie temperature is... Agent: Kanesaka Berner And Partners LLP

20080131290 - System and method for 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: Sprinkle Ip Law Group

20080131292 - Apparatus for controlling driving of reciprocating compressor and method thereof: Disclosed are an apparatus for controlling a driving of a reciprocating compressor capable of enhancing an efficiency by differently controlling a frequency and a stroke voltage according to a load size and capable of reducing consumption power, and a method thereof. The apparatus comprises a controlling unit for judging a... Agent: Greenblum & Bernstein, P.L.C

20080131291 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131293 - Electro hydro dynamics pump (ehd pump): To improve the configuration of electrodes disposed in the fluid channel of EHD pumps, and to reduce of the fluid channel of EHD pumps, as well as to reduce the cost of producing EHD pumps, and to increase the pumping pressure of EHD pumps. A hollow conical metal electrode open... Agent: Brinks Hofer Gilson & Lione

20080131294 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131295 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131296 - Pump controller system and method: A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions... Agent: Greenberg Traurig (phx)

20080131297 - Suction throttle valve of a compressor: A compressor has a suction throttle valve, which includes a suction passage, a suction port, a valve body, an urging member, a valve chamber, a first communication hole, a closing valve and a valve seat. The closing valve closes the hole of the valve body by pressure difference between the... Agent: Morgan & Finnegan, L.l.p.

20080131298 - Fluid pump and motor: A fluid pump of the present invention comprises a rotating chamber, a rotor which rotates about a rotating axis within the rotating chamber and includes a hub and a vane protruding radially outward from the hub; and a pair of blocking walls which cooperate with the vane and linearly move... Agent: Park Law Firm

20080131299 - Reciprocating pump: Collars 14, 20, 21 made of a material more excellent in resistance to corrosion than a manifold 3 are interposed between the manifold 3 and sealing members 10, 22, 23 for liquid-tightly sealing the manifold 3, so as to prevent the parts in contact with the sealing members 10, 22,... Agent: Osha Liang L.l.p.

20080131300 - Peristaltic pump: Peristaltic pump comprising—a pump body (3) with a face containing at least a first groove (4) covered by a flexible membrane (2) fixed to said pump body (3), in such a way as to form a fluid tight channel, said membrane (2) furthermore comprising a sealing ridge (19) which is... Agent: Nixon & Vanderhye, Pc