Pumps inventions 02/07

20070041844 - Monitoring system for dispensing service fluids: A system for controlling and safeguarding the dispensing of fluids used in servicing centers is provided. The system is devised to provide lubricants to motor vehicles and includes a programmable system that comprises means to activate and deactivate a plurality of fluid dispensing pumps including a shut down of pump... Agent: Arthur J. Plantamura General Chemical Performance Products LLC.

20070041845 - Motor-driven metering pump: A metering pump with a rotary drive motor and an oscillating piston, wherein the rotary motion of a drive motor is transformed into an oscillatory motion of a connecting rod by means of a gear arrangement, so that a displacement means activated thereby executes an oscillating linear motion on continuous... Agent: Simpson & Simpson, PLLC

20070041846 - Turbomachine for low temperature applications: A turbomachine for low-temperature applications has a housing, a rotor shaft disposed in the housing, an impeller disposed on one shaft end of the rotor shaft, to which a cold gas is applied, and an electrical machine integrated into the housing. During operation of the turbomachine, a cold zone (K)... Agent: William Collard Collard & Roe, P.C.

20070041847 - Piston-reciprocating gas compressor: A drive shaft is driven by an electric motor in a motor casing. A crankshaft integrally connected with the drive shaft is provided in a crankcase. A piston is reciprocated by the crankshaft in a cylinder. A gas is introduced from the outside into the motor casing and forwarded into... Agent: Davis & Bujold, P.l.l.c.

20070041850 - Multi-piston pump and valve arrangement: A multi-piston pump includes a housing defining a first plurality of N bores therein, where N is the number of bores in the first plurality. The first plurality of N bores is offset from one another. The housing defines a second plurality of N bores therein. The second plurality of... Agent: Macmillan, Sobanski & Todd, LLC

20070041848 - Pump assembly: A pump assembly for use in delivering fuel to a common rail of an internal combustion engine, including a pumping plunger (28; 128) which is co-operable with an intermediate drive member in the form of a tappet (34). The tappet (34) is co-operable with an engine-drive cam (11), in use,... Agent: Delphi Technologies, Inc.

20070041849 - Variable displacement reciprocating pump: A variable displacement reciprocating pump with pumping rate that is adjustable from zero to maximum stroke while the pump is running. Stroke is varied by changing relative position of pairs of eccentric inner and outer cams that drive the pump's plungers. The pump's input drive shaft drives two gear trains:... Agent: Molly D Mckay, PC

20070041851 - Supercharger with electric motor: A supercharger with an electric motor includes, a turbine impeller rotationally driven by an exhaust gas, a compressor impeller rotationally driven by rotation of the turbine impeller, a compressor housing accommodating the compressor impeller, a turbine housing accommodating the turbine impeller, a shaft coupling the turbine impeller and the compressor... Agent: Griffin & Szipl, PC

20070041852 - Rotary compressor: A rotary compressor includes a rotation mechanism, an annular piston and a blade. The rotation mechanism has a cylinder with an annular cylinder chamber. The annular piston is contained in the cylinder chamber eccentrically from the cylinder and sectioning the cylinder chamber into an outer compression chamber and an inner... Agent: GlobalIPCounselors, LLP

20070041856 - Linear compressor: r

20070041855 - Linear compressor, particularly refrigerant compressor: The invention concerns a linear compressor, particularly a refrigerant compressor, with a housing (2, 2′) and a compression unit, which comprises a compressor with a piston and a cylinder as well as a linear motor driving the piston in relation to the cylinder along a movement axis, the compression unit... Agent: Mccormick, Paulding & Huber LLP

20070041854 - Linear compressor, particularly refrigerant compressor: The invention concerns a linear compressor (1), particularly a refrigerant compressor, with a compression unit (3) having a cylinder (8) and a piston (16) reciprocating in the cylinder (8), and a linear motor (4) having an outer stator (18), an inner stator (20) and an armature (22) located in a... Agent: Mccormick, Paulding & Huber LLP

20070041853 - Linear compressor, particularly refrigerant compressor: The invention concerns a linear compressor (1), particularly a refrigerant compressor, with a first component group comprising a stator (18, 20) of a linear motor (4) and a cylinder (8, 10), a second component group comprising a reciprocating piston (16) and an armature (22) of the linear motor (4) as... Agent: Mccormick, Paulding & Huber LLP

20070041857 - Fan housing with strain relief: An equipment fan has a housing (22) that externally defines an air passage opening (41) provided in the fan (20). The fan has a motor (21) for rotatably driving blades (40) about a rotation axis (23), as well as a carrier element (51), provided between the motor (21) and the... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070041858 - Booster-type compressor: A compressed gas is introduced into a casing. A piston pivotally connected to a reciprocating mechanism moves up and down in a cylinder. The compressed gas in the casing is sent to a space on the piston through a groove formed in the inner circumference of the cylinder and is... Agent: Ostrolenk Faber Gerb & Soffen

20070036661 - Capacity modulated scroll compressor: A scroll compressor has a biasing chamber which contains a pressurized fluid. The pressurized fluid within the chamber biases the two scroll members together. A rotatable ring is attached to one of the scroll members to open and close a passage leading to this biasing chamber. When the ring opens... Agent: Harness, Dickey & Pierce, P.L.C

20070036662 - Multistage motor-compressor for the compression of a fluid: A motor-compressor is provided that includes a first compression stage with a primary impeller and at least one delivery duct, a second compression stage with a secondary impeller spinning in a predetermined direction of rotation, and at least one transfer duct placed so as to put the delivery duct in... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070036663 - Traction drive having an electrical converter: The invention relates to a traction drive for a working machine, in particular an industrial truck, including an electrical converter having a generator (11), which is drive-connected to a combustion engine (12), and a traction motor (1 or 2), which is combined with the generator (11) in spatial terms to... Agent: The Webb Law Firm, P.C.

20070036664 - Supercharger with electric motor: In a supercharger (10) with an electric motor in accordance with the present invention, the electric motor (20) is arranged at a position adjacent to a compressor impeller (6), a center housing (14) has a cooling fluid flow path (34) formed in such a manner as to surround the electric... Agent: Griffin & Szipl, PC

20070036665 - Check valve for a self-priming pump: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through... Agent: Morriss O'bryant Compagni, P.C.

20070031263 - Vacuum pump: A vacuum pump comprises a first pumping section (106), and, downstream therefrom, a second pumping section (108), The pump comprises a first pump inlet (120) through which fluid can enter the pump and pass through both the first and second pumping sections towards a pump outlet, and a second pump... Agent: The Boc Group, Inc.

20070031264 - Double-headed piston type compressor: In a double-headed piston type compressor provided with a rotary valve in a rotary shaft, the rotary valve has an introducing port for introducing refrigerant from a suction-pressure region through a supply passage and a respective suction port into a compression chamber. A shaft seal between a front housing and... Agent: Morgan & Finnegan, L.L.P.

20070031265 - Valve and pump devices for expelling fluid from vessels: A pump apparatus for use with a vessel to selectively expel fluid from the vessel, the apparatus comprising a housing with an internal chamber having first and second portions, the first portion includes an inlet port and an outlet port that communicates with the outside of the vessel; a conduit... Agent: Nexus Law Group LLP

20070031266 - Self-closing valve with adjustable activation: The valve (1) exhibits an external body (2) affording an internal cavity (3) which terminates externally of the external body (2) with an outlet section (4) and an inlet section (5). A piston (7) is slidingly and sealedly housed inside the cavity (3), and defines a first chamber (8) and... Agent: Pearne & Gordon LLP

20070031267 - Machine with a rotatable rotor: A machine (1) has a rotor (3) located so that it can rotate in a housing (2). The rotor is located at least partly in fluid, such as coolant. To provide a machine which has lower losses with a higher cooling capacity, the housing pressure can be reduced so that... Agent: The Webb Law Firm, P.C.

20070031268 - 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: Gary M. Nath Nath & Associates PLLC

20070031269 - Pump drive: 1. Pump drive 2.1 Known pump drives, to the extent that they can be separated from their pumping mechanism, must be set onto the pumping mechanism with two hands, because of their weight. Connecting the drive with the pumping mechanism, which is done by way of a flange or a... Agent: William Collard Collard & Roe, P.C.

20070031270 - Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure: Provided are a fixing structure for fixing a rotor to a rotor shaft, in which the contact state of the contact surfaces of the rotor shaft and the rotor is stabilized to thereby maintain the rotation balance of the rotor shaft and the rotor, making it possible to prevent oscillation,... Agent: Bruce L. Adams Adams & Wilks

20070031271 - Effervescent gas bleeder apparatus: A diaphragm metering pump suitable for metering an effervescent gas. The pump has a pump head with a product chamber having an inlet end with a one-way inlet valve and an outlet end with a one-way outlet valve. A displaceable diaphragm member defines a boundary of the product chamber. The... Agent: Hodgson Russ LLP

20070031272 - Peristaltic pump: A peristaltic pump for dispensing liquid includes a front casing portion, a rear casing snap-fitted together with the front casing portion, a rotor confined between the front casing portion and the rear casing portion, a plurality of rollers mounted in the rotor, and a flexible tube compressed at equally spaced... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070031273 - Flexible tube for supplying chemical: A flexible tube 20 has an inlet side fixed end 21, and an outlet side fixed end 22, and an elastic deformation portion 23 is provided between them. The elastic deformation portion 23 is provided with convex arc portions 42. In the convex arc portions 42, three apices 41 provided... Agent: Mccormick, Paulding & Huber LLP

20070031274 - Pulsation reducing apparatus and inspection apparatus: A pulsation reducing apparatus is used for an apparatus having a pump for circulating a liquid in a circulating line and a tank for storing the liquid circulating via the pump. The pulsation reducing apparatus includes a supplement tank for reserving the liquid such that a liquid surface height of... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070025860 - Sewage lift mechanism with remote alarm: The invention is a sewage lift station having a chamber for accumulating sewage and a pump mechanism for expelling sewage to a remote location. A sewage drop pipe is provided which directs sewage entering into the station below a triggering mechanism on the pump thereby eliminating pump failure caused by... Agent: Lathrop & Gage Lc

20070025861 - Electromagnetic pump driving method: There is provided a method of driving an electromagnetic pump where noise and vibration that accompany abrupt fluctuations in pressure inside a pump chamber are reduced. A pulse voltage is applied alternately on a positive side and a negative side to drive the electromagnetic coil such that a change in... Agent: Birch Stewart Kolasch & Birch

20070025862 - Compressible gas ejector with unexpanded motive gas-load gas interface: A compressible gas ejector is configured to present unexpanded motive gas to a load gas, wherein the interface of the unexpanded motive gas and the load gas can be located in a suction chamber or within a downstream diffuser. The ejector includes a motive funnel for increasing the velocity of... Agent: Stephen B. Salai, Esq. Harter, Secrest & Emery LLP

20070025863 - Automatic inlet check valve release: Apparatus and method for releasing a stuck inlet check valve of a paint pump including a solenoid connected to the check valve with a pusher element which momentarily displaces a moveable element such as a ball in the check valve to break any adhesion between the movable element and a... Agent: Faegre & Benson LLP Patent Docketing

20070025864 - Hermetic compressor: A hermetic compressor includes: a hermetic container having an oil sump defined in a bottom thereof; a frame arranged in the hermetic container and including a hollow portion; a rotating shaft rotatably inserted in the frame to penetrate through the hollow portion, the rotating shaft having an oil channel array... Agent: Blank Rome LLP

20070025865 - Electric motor having a coaxially associated pump: An electric motor (1) having a coaxially associated pump (6) for a coolant circuit, in particular in a system with temperature transfer and/or heat transfer, in which a shaft assembly (5) transmits a torque from the electric motor (1) to at least one impeller (8) arranged in the pump housing... Agent: Crowell & Moring LLP Intellectual Property Group

20070025866 - Fluid pump assembly: A fluid pump includes an electric motor with a casing and a drive shaft extending from the casing, a pumping element coupled to the drive shaft for rotation with the shaft to take in fluid and discharge it under pressure. The fuel pump casing may be sealed and a housing... Agent: Reising, Ethington, Barnes, Kisselle, P.C.

20070025867 - Reciprocating pump and use of said reciprocating pump: The invention relates to a reciprocating pump comprising a drive shaft (2) that is mounted in a housing (1) and that has a freely definable and in exceptional cases sinusoidal control curve (5). A transmission element (6) that is connected to a piston (4) penetrates the control curve (5). The... Agent: Mayer, Brown, Rowe & Maw LLP

20070025868 - Electroactive polymer-based pump: Methods and devices for pumping fluid are disclosed herein. In one exemplary embodiment, a pump is provided having a first member with a passageway formed therethrough, and a plurality of electrically expandable actuators in communication with the first member and adapted to change shape upon the application of energy thereto... Agent: Nutter Mcclennen & Fish LLP

20070025869 - Fluid delivery device: Disclosed are embodiments of systems, apparatus, and methods for delivering a fluid. In one illustrative embodiment, a fluid delivery device includes a master piston coupled with at least one slave piston to move in unison with the master piston. A fluid power source, such as an electroosmotic plump, is also... Agent: Ceramatec, Inc.