Pumps inventions 09/08

20080232974 - Fan rotation control method, fan rotation control system, and fan rotation control program: The present invention aims to appropriately cool an operation unit and to suppress power consumption and noise according to the configuration and the operation state in a computer system of an enclosure. A plurality of system cooling fans for cooling the operation unit of the computer system installed in the... Agent: Scully Scott Murphy & Presser, PC

20080232975 - Pressure-operated mechanism and water pump including the same: A pulley is fixed to a housing of a water pump, the pulley being connected to an output shaft of an internal combustion engine so that the pulley is driven through the output shaft. In the housing, a slider moves to and fro due to a change in pressure in... Agent: Oliff & Berridge, PLC

20080232976 - Shower flow simulator: A method of simulating water flow through a shower waste pump which is controllable by a water-flow detector, the method comprising the step of by-passing the water-flow detector with a water-flow simulator device. The in use simulator device simulates the presence of water and thus causes the shower waste pump... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20080232977 - Pump control: A pump control system for controlling a fluid pump powered by an AC signal. The pump control system includes a signal phase detector coupled to the fluid pump to detect the AC signal supplied to the fluid pump and to generate phase signals indicating a phase parameter of the AC... Agent: Michael Best & Friedrich LLP

20080232978 - Variable displacement vane pump: A variable displacement vane pump, including a pump body, a driving shaft, a rotor, a cam ring swingable on a swing support surface, first and second plate members on opposite sides of the cam ring, a suction port and a discharge port on a side of at least one of... Agent: Foley And Lardner LLP Suite 500

20080232979 - Compressor: A swash plate compressor (41) is disclosed, wherein a shaft (43) is divided into a rear shaft (45) and a front shaft (47) coupled to each other through a torque limiter (65) with center holes (51, 69) communicating with each other. A lug plate (25) is fixed to the rear... Agent: Posz Law Group, PLC

20080232980 - Digit button-operated air compressor output control structure: A digit button-operated air compressor output control structure for controlling output of compressed air from an air compressor by means of a digital control panel and an air pressure regulating structure with internal pressure sensors for enabling the user to set the desired output air pressure quickly and to control... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080232981 - Check valve for a vacuum pump: A check valve 50 for a vacuum pump 1 is disclosed in which opening of the check valve 50 is controlled by centrifugal force by arranging a valve member 40 to slide along a slide axis Y-Y inclined with respect to an axis of rotation of a housing 27 in... Agent: Ford Global Technologies, LLC

20080232982 - Single direction air pump assembly with dual flowpaths: A pump assembly for an inflatable structure comprises a blower unit disposed in a housing configured to move air in a single direction from an inlet in the housing to an outlet in the housing. A connector is in communication with the housing outlet. The connector is adapted to connect... Agent: Thompson Coburn, LLP

20080232983 - Motor, fan and manufacturing method of the same: A motor according to the present invention includes a boss portion 34 preferably includes an inner ring portion 342 having at an axially lower end surface thereof a substantially ring shaped convex portion 3421. The boss portion 34 preferably includes at a central portion thereof a through hole at which... Agent: Volentine & Whitt PLLC

20080232984 - Reciprocating compressor having supporting unit attentuating lateral displacement thereof: A reciprocating compressor comprises a casing including a suction pipe (SP) through which a fluid is introduced from the outside and a discharge pipe (DP) through which the fluid is discharged outside and forming a predetermined internal space; a compressor main body (700) positioned in the casing (100), compressing the... Agent: Ked & Associates, LLP

20080232985 - Vacuum pump: A vacuum pump includes a high-speed rotor, and an anti-friction bearing for rotatably supporting the rotor and including an inner ring, an outer ring, a rolling body, and a cage for the rolling body both the rolling body and the cage being located in an intermediate space defined by the... Agent: Abelman, Frayne & Schwab

20080232986 - Tubular pump: The invention provides the arrangement of a resilient and flexible tubular element, with shape memory, which contains the product to be metered and which receives an action of limited compression of the walls thereof, in such a way that there is no contact between the internal walls of the opening... Agent: Darby & Darby P.C.

20080232987 - Diaphragm circulator: A diaphragm circulator for liquid material having an internal circuit provided with at least one material intake orifice for discharging the material. The circulator body defines a propulsion chamber with rigid walls between which a deformable diaphragm is placed in such a way that the edge thereof is adjacent to... Agent: Saile Ackerman LLC

20080232988 - Material pump: A composite pump comprises multiple fluid pumps, each including a movable component and a crank coupled to the movable component. At least two of the movable components define between them a non-zero included angle.... Agent: Barnes & Thornburg LLP

20080232989 - Regulator flow noise prevention for fuel system of a vehicle: Vapor reducing structure (25) is constructed and arranged to be associated with a fuel pressure regulator (18) of a fuel system (10′) of a vehicle. The pressure regulator has an outlet (28) for fuel that is in excess of fuel required by an engine of the vehicle. The reducing structure... Agent: Carlson, Gaskey & Olds, P.C.

20080226463 - System and method for delivering a pressurized gas from a cryogenic storage vessel: A system and method pumps process fluid from a cryogenic storage vessel to a vaporizer, and delivers the fluid as a pressurized gas. The method includes measuring process fluid temperature after the process fluid exits the vaporizer, temporarily suspending operation of the pump when the process fluid temperature is below... Agent: Mcandrews Held & Malloy, Ltd

20080226464 - Device for driving an electromagnet for operating a pump, and related electromagnetic dosing pump: The present invention concerns a device for driving an electromagnet for operating a pump, as well as the related method and the related dosing electromagnetic pump, the electromagnet comprising a primary winding and a moving element, capable to be attracted within the primary winding when an energising current is higher... Agent: Roberts Mlotkowski Safran & Cole, P.C.

20080226465 - Operation controlling apparatus for reciprocating compressor and method thereof: An operation controlling apparatus for a reciprocating compressor, and a method thereof, which are capable of accurately controlling the reciprocating compressor by sensing a size of a load applied to the reciprocating compressor and a stroke estimation value of the reciprocating compressor and then compensating a parameter of a motor... Agent: Birch Stewart Kolasch & Birch

20080226468 - Disposable positive displacement dosing pump: A disposable positive displacement pump is disclosed. The pump includes a pump housing having head portion and a body, the head portion having one or more fluid passage openings. The pump also includes a rolling diaphragm internal to the pump housing and defining a fluid chamber within the pump housing.... Agent: Merchant & Gould PC

20080226466 - Hydraulically driven multicylinder pumping machine: A hydraulically driven multicylinder diaphragm pumping machine for pumping difficult-to-pump materials comprises pump cylinders each having at one end (20) an inlet/outlet (21) for fluid material to be pumped supplied under adjustable pneumatic pressure, and at the other end (30) an inlet and outlet (31,32) for hydraulic oil. A separator... Agent: Sturm & Fix LLP

20080226467 - Impeller with anti-vapor lock mechanism: An impeller for preventing air-lock in a pump, the impeller in its basic embodiment includes a top plate, the top plate having a center axis and a peripheral edge, a plurality of vanes, each vane attached to the top plate, at least one small protrusion projecting from the periphery of... Agent: Akerman Senterfitt

20080226469 - Liquid pressure-feed device: A liquid pressure-feed device is provided wherein, even with a third shaft disposed between a pivot shaft and a second shaft, a sub-arm positioned between the pivot shaft and the second shaft does not obstruct movement of the third shaft. A snap mechanism has a pivot shaft supported within a... Agent: Kenyon & Kenyon LLP

20080226470 - Liquid pressure-feed device: A liquid pressure-feed device having a reduced number of parts and a simple structure is provided. A snap mechanism has a pivot shaft supported within a closed vessel, a float arm and a sub-arm both adapted to rotate about the pivot shaft, a first shaft supported by the float arm,... Agent: Kenyon & Kenyon LLP

20080226471 - Variable displacement compressor: A variable displacement compressor including a rotary shaft, a swash plate, and a rotary support is disclosed. An inclination angle of the swash plate is changed so that the displacement of the compressor is controlled. The rotary support has a first balance weight and an arm. The swash plate has... Agent: Woodcock Washburn LLP

20080226472 - Air blower: The air blower includes a case body having an air suction mouth formed at least one side surface thereof and an outlet formed at a peripheral wall thereof; a motor which is installed into the case body, having a fluid dynamic bearing; and an impeller which is fixed to a... Agent: Jordan And Hamburg

20080226473 - Linear compressor: The present invention discloses a linear compressor including a shell, a compressor main body installed in the shell and composed of a cylinder, a piston reciprocated inside the cylinder to compress refrigerant, and a linear motor for driving the piston, and elastic members spaced apart from the bottom of the... Agent: Ked & Associates, LLP

20080226474 - Flattened brushless motor pump and vehicle electric pump unit using flattened brushless motor pump: The flattened brushless motor pump sucks liquid from suction port and discharges liquid from discharge port by rotating rotary shaft of flattened brushless motor flattened brushless motor has a stator unit having cores around which a plurality of armature coils are wound and terminals electrically connected to the armature coils,... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080226475 - Disposable positive displacement dosing system: A positive displacement dosing system is disclosed. The system includes a plurality of disposable positive displacement pumps. The disposable positive displacement pumps each include a pump body having head portion and a base portion, with the head portion having one or more fluid passage openings. Each disposable positive displacement pump... Agent: Merchant & Gould PC

20080226476 - Air pump with dual power supply: A portable air pump has a fan, a main body with a cavity, an air inlet and outlet, a motor connected to the fan, a removable rechargeable battery pack, and a plurality of individual dry cell batteries. The cavity has an opening for alternately receiving one of the battery pack... Agent: Schweitzer Cornman Gross & Bondell LLP

20080226477 - Electromagnetic oscillating fluid pump: An electromagnetic oscillating fluid pump with a T-shaped valve includes a housing having an air outlet end and an air outlet, two electromagnetic coils disposed in the housing and a magnetic piston slidably disposed between the two electromagnetic coils, which has a valve disposed therein. By changing the magnetic polarity... Agent: Hdsl

20080226478 - Metering pump with a protected pump chamber: The invention provides a pump, in particular for a chemically reactive fluid, in which a pump head comprises at least two walls between which there is defined a pump chamber for pumping the fluid in question, one of the walls being stationary, the other wall being movable or deformable relative... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080226479 - Piston pump with improved piston: The invention relates to a piston pump for conveying a fluid, in particular in a vehicle brake system. The piston pump has a cylinder and a piston movably disposed in the cylinder. A restoring element preloads the piston, and a drive unit for actuates the piston in the cylinder to... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20080219856 - Pumped drainage apparatus: Pumped drainage apparatus (10) for a shower, comprises a waste water unit (12) having a waste water inlet (14) for accepting waste water runoff from a shower, and a waste water outlet (16) in fluid communication with the waste water inlet (14); a pump (20) in fluid communication with the... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20080219857 - Protective device for a controlling system of a sewage pump: A protective device for a controlling system of a sewage pump has a protective unit to protect a start capacitor and to avoid the start capacitor from burnout when an overload is occurred by actuating power source or when a transient voltage is occurred by malfunction of a controlling circuit... Agent: Kamrath & Associates P.a.

20080219858 - Washer fluid pump for a window cleaning system of a motor vehicle: In the case of a washer fluid pump (2) for a window cleaning system, two ventilation openings (13, 14) arranged in a housing (5) are linked with a single opening (15) arranged on the inside. A ventilation duct (18) has two sections (16, 17) arranged tangentially to the housing (5).... Agent: Baker Botts L.l.p. Patent Department

20080219859 - Automatic pressure-relieving apparatus for suction pump: An automatic pressure-relieving apparatus for a suction pump comprises a pipework provided at the cap. A first rod positioned in the pipework has an upper sealing ring arranged around the top periphery thereof, whereby the first rod can detachably seal the upper opening of the pipework. Moreover, the first rod... Agent: Rosenberg, Klein & Lee

20080219860 - Protection system for air compressor assembly: An air compressor assembly is described for providing compressed air to work tools and the like. The compressor assembly is surrounded by a frame structure made from elements of tubular stock. The frame structure is used for storing compressed air produced by the compressor assembly. In a novel and inventive... Agent: Fulwider Patton LLP

20080219861 - Cam driven piston compressor: A cam driven piston compressor includes one or more cams powered by a motor, the cams being adapted to rotate through 360 degrees, and one or more cam followers, each of which is in contact with one of the cams. The compressor also includes one or more pistons wherein each... Agent: Jaeckle Fleischmann & Mugel, LLP

20080219862 - Compressor: A compressor is provided. The compressor includes a motor that generates power to rotate a crank shaft. The motor includes a rotor rotating about a stator supported in a hermetic vessel by an elastic member. A roller is provided eccentric to the center of rotation of the crank shaft and... Agent: Ked & Associates, LLP

20080219863 - Connector for hermetic compressor and suction device of working fluid using the same: A connector for a hermetic compressor and a working fluid suction device using such a connector are provided. The compressor includes a suction pipe coupled to a casing so as to transfer working fluids into a silencer housed in the casing to attenuate noise. The connector includes a connector pipe... Agent: Ked & Associates, LLP

20080219864 - Centrifugal drainage pump: A pump assembly constructed to allow unloaded starting of the pump. The assembly includes a pump body, a permanent magnet rotor, a rotor shaft, a pump cover, a shaft sleeve and an impeller. The impeller includes a holding chamber for holding the shaft sleeve which is arranged proximate a center... Agent: Boyle Fredrickson S.c.

20080219865 - Compressor assembly having vibration attenuating structure: A compressor may include a shell, a compression mechanism, a motor, a base member, and a mounting foot. The compression mechanism may be disposed within the shell and the motor may be drivingly engaged with the compression mechanism. The base member may be coupled to the shell and a mounting... Agent: Harness, Dickey & Pierce, P.L.C

20080219867 - Electric motor and electric pump unit: The invention provides an electric motor including a tubular insulator that insulates coils of each of U, V, and W phases that makes a rotor rotated by an electromagnetic force, and a stator core around which the coils are wound; and a plurality of busbars that are fixed to the... Agent: Mcginn Intellectual Property Law Group, Pllc

20080219866 - Generation and management of mass air flow: Systems and methods for generating high velocity mass air flows are disclosed. High velocity mass air flow (air charging) devices are needed in a variety of research, industrial, commercial, and consumer applications. The exemplary systems and apparatus described incorporate an electric motor subassembly, an air effector subassembly, a highly intelligent... Agent: Woodcock Washburn LLP

20080219868 - Linear compressor cylinder and head construction: A cylinder assembly for a linear compressor includes a cylinder chassis with an inner surface defining a cylinder space extending along an axis from a cylinder head end. The cylinder space is at least substantially cylindrical. A cylindrical cylinder liner, open at both ends is located within the chassis. The... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20080219869 - Coaxial pumping apparatus with internal power fluid column: A pump having an increased energy efficiency is provided. The pump has an internal power fluid column and a transfer piston which is reciprocatingly mounted about the power fluid column. The transfer piston defines a product fluid chamber, located above the transfer piston valve, and a transfer chamber, located below... Agent: Knobbe Martens Olson & Bear LLP

20080219870 - Device for delivering thick matter: A device for conveying a mixture of substances including at least one mixture component predominantly having a viscous consistency and at least one mixture component predominantly having a solid, particle-like consistency, includes a delivery cylinder having perforations over a portion of a lateral wall thereof and configured to separate, through... Agent: Darby & Darby P.c.

20080213101 - Shower wast pump control: A control device (10) for controlling a shower waste pump, comprises a housing (12) which is mountable to a supporting surface, pump setting means (14) located in and/or on the housing (12), and over-run setting means (16) located in and/or on the housing (12). The pump setting means (14), by... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20080213102 - Fluid pump having multiple outlets for exhausting fluids having different fluid flow characteristics: A pump configured to receive fluids through an inlet and direct those fluids in two directions through two or more fluid discharge outlets, wherein the fluids are discharged with different fluid characteristics, such as different pressures or flow rates. In one embodiment, the pump may include first and second pumping... Agent: Siemens Corporation Intellectual Property Department

20080213103 - Axial flow fan: An axial flow fan includes a housing defining an air inlet and an air outlet, a motor mounted to the housing and an impeller including blades. The housing includes an expanded portion adjacent the air outlet. In the expanded portion, the inner diameter of the housing increases towards the air... Agent: Volentine & Whitt PLLC

20080213104 - Motor: A motor includes a stator, a rotor, a top magnetic structure, and a bottom magnetic structure. The stator is disposed in a frame. The rotor is also disposed in the frame, corresponding to the stator. The rotor includes a shaft extending axially from the rotor. The bottom magnetic structure is... Agent: Birch Stewart Kolasch & Birch

20080213105 - Reciprocating piston pump with air valve, detent and poppets: An air valving system for a reciprocating piston pump (5) which uses piston (10) actuated poppet assemblies (40) to control the main air valve (16) shift. The valve exhaust is vented (50) directly to atmosphere rather than through the main exhaust to ensure reliability. A ramped detent (32) prevents the... Agent: Graco Minnesota Inc

20080213106 - Lifting piston fuel pump and method for starting and operating a motor vehicle heating system:

20080213107 - Reciprocating pump: The present invention is aimed to provide a pump which can not only obtain high discharging pressure and large capacity but obtain a substantially non-pulsating flow with a miniaturized configuration and even if the pump is operated with low power. To achieve the object, a pump of the present invention... Agent: Foley & Lardner LLP

20080213108 - Linear compressor: The present invention discloses a linear compressor in which a piston is driven by a linear motor and linearly reciprocated inside a cylinder to suck, compress and discharge refrigerants. The linear compressor synchronizes an operation frequency of the linear motor with a natural frequency of the piston, considering that an... Agent: Birch Stewart Kolasch & Birch

20080213109 - Linear compressor: A linear compressor includes a cylinder part with a cylinder bore. A piston is disposed in the bore and slidable therein. A main spring connects the cylinder part to the piston. A connecting member connects between the main spring and the piston. The connecting member passes through the air gap... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20080213110 - Apparatus and method for compressing a cryogenic media: An apparatus and method for compressing a cryogenic media is disclosed. A compressor includes a compressor chamber surrounded by a cylinder wall in which a compressor piston is moved in a linear manner, a suction valve and a pressure valve, which are arranged in the region of the lower end... Agent: Crowell & Moring LLP Intellectual Property Group

20080213111 - System for releasing gas into molten metal: A device for releasing gas into molten metal includes a base having a discharge. The discharge has a first section including a first cross-sectional area and a second section including a second cross-sectional area, wherein the first section is upstream of the second section and the first cross-sectional area is... Agent: Squire Sanders & Dempsey LLP

20080213112 - Load ring mounting of pumping plunger: A clamping and seal loading technique for securing the plunger sleeve to the pump housing of a single plunger fuel pump. This is achieved by providing a load ring between a sleeve retainer and the sleeve, such that the axial force applied by the retainer during installation and attachment to... Agent: Alix Yale & Ristas LLP

20080213113 - Tubing holding device for roller pumps: A tubing holding device for a roller pump is disclosed. The tubing holding device is removable from the roller pump, slidably moveable and able to be opened to allow for easy exchange of tubing in roller pumps. The tubing holding device comprises a clamping mechanism that securely holds tubing in... Agent: Kagan Binder, PLLC

20080213114 - Pump: A pump comprising a guide (1) forming a closed loop of variable radius and at least one piston assembly (2). The piston assembly (2) comprises a chamber (4) and a piston (5) slidably mounted within the chamber (4). A first end of the piston assembly (T) is arranged to follow... Agent: Baker & Daniels LLP

20080213115 - High-pressure gas compressor and method of operating a high-pressure gas compressor: A high-pressure gas compressor comprises a single-acting cam driven piston with a pressure compensation chamber disposed between the piston and the cam. A roller tappet assembly transmits reciprocating motion from the cam to the piston. A pressurized gas directed to the pressure compensation chamber offsets forces acting on the piston... Agent: Mcandrews Held & Malloy, Ltd