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Pumps July category listing 07/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
07/29/2010 > patent applications in patent subcategories. category listing

20100189570 - Intelligent auto-sensing pumping device: The present creation includes at least a control circuit for performing the start, stop or test run modes of a motor, and a detection loop composed of two detection circuits, the two detection circuits connecting the control circuit to the motor and the guide of a waterproof case respectively. When... Agent: Jackson Intellectual Property Group PLLC

20100189571 - Methods and systems for defogging transparent doors in display cases: A system for defogging doors to a display case is described and includes an electric motor and an air moving device. The air moving device is operatively coupled to the electric motor and positioned to provide an output proximate to at least one door of the display case. The motor... Agent: Patent Docket Department Armstrong Teasdale LLP

20100189572 - Pump assembly having an integrated user interface: A pump assembly includes a permanent magnet motor having a stator with coil windings, a rotor assembly having a shaft and an impeller attached to the shaft, with the shaft being driven by the stator and the impeller driving fluid through the pump assembly, and a control module having a... Agent: The Small Patent Law Group LLP

20100189574 - High pressure pump control: A feedback control loop for a high pressure pump modifies the accumulator velocity and pressure during solvent transfer. The accumulator velocity is adjusted to maintain the system pressure equal to the expected pressure to thereby eliminate the effect of the flow deficit created by a thermal effect.... Agent: Edwards Angell Palmer & Dodge LLP

20100189573 - Rotary pressure production turbine: A rotary pressure production turbine for pressurizing a hydraulic fluid is disclosed comprising a plurality of piston assemblies. Each piston assembly comprises a hollow needle piston shaft having through which hydraulic fluid is moved from a low pressure volume to a high pressure volume as the piston shaft moves in... Agent: Merchant & Gould PC

20100189575 - Sealing pump-up device: When a press jig is inserted into a jig insertion hole, an O-ring attached to the outer peripheral surface of the press jig is prevented from being caught on an air supply port opening to the inner peripheral surface of the jig insertion hole and damaged. In a sealing pump-up... Agent: Sughrue Mion, PLLC

20100189576 - Piston compressor: A compressor includes a rotary shaft, a cam, a cylinder block, pistons, a thrust bearing, a rotary valve, and an oil passage. The rotary shaft has an in-shaft passage formed therein. The in-shaft passage has an outlet open to the outer peripheral surface of the rotary shaft. The cam rotates... Agent: Woodcock Washburn LLP

20100189577 - Method for increasing compressed air efficiency in a pump: A method for increasing compressed air efficiency in a pump utilizes an air efficiency device in order to optimize the amount of a compressed air in a pump. The air efficiency device may allow for controlling the operation of the air operated diaphragm pump by reducing the flow of compressed... Agent: Brouse Mcdowell Lpa

20100189578 - Mount for a compression control unit: A compression control unit for a compression device includes a mount on the back of a housing for mounting the compression control unit on a bed unit. The mount includes a securing portion spaced from a back of the housing and lying in a plane generally opposing the back of... Agent: Tyco Healthcare - Edward S. Jarmolowicz

20100189580 - Method for detection of a malfunction related to a fluid affected component in a piston machine: A method for detection of a leak in a fluid affected component of a piston machine includes obtaining a vibration signal from a vibration sensor disposed proximate to at least one valve block of the piston machine. The vibration signal includes vibration generated by valves in the valve block. The... Agent: Conley Rose P.c

20100189579 - Pneumatic component: The invention relates to a pneumatic component with a cylinder (12); a piston (14) running in the cylinder and a grooved ring (16), which seals the piston (14) from the cylinder (12) and has a static side (Sstat) and a dynamic side (Sdyn). According Co the invention, the grooved ring... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20100189581 - Unloader system and method for a compressor: An apparatus is provided and may include a compression mechanism, a valve plate including a plurality of ports in fluid communication with the compression mechanism, and a header disposed adjacent to the valve plate. A plurality of cylinders may be disposed within the header and a plurality of pistons may... Agent: Harness, Dickey & Pierce, P.L.C

07/22/2010 > patent applications in patent subcategories. category listing

20100183447 - Digital over speed circuit: The present embodiments relate to a digital over speed circuit including a controller configured to calculate the speed of an engine and shut down the engine electronically when an over speed condition exists. The digital over speed circuit may be easily installed by the end user. Only a single wire... Agent: Gerald M. Bluhm Tyco Safety Products

20100183448 - Methods of use for a positive displacement pump having an externally assisted valve: A method for operating at least one pump in a pump assembly comprises providing a pump assembly comprising a fluid end and a power end, the fluid end in communication with a fluid source and at least one downstream destination and comprising a pump housing for a pressurizable chamber, at... Agent: Schlumberger Technology Corporation David Cate

20100183449 - High-pressure pump for supplying fuel to an internal-combustion engine: A high-pressure pump for supplying fuel to an internal-combustion engine has a pump body and an actuating shaft which extends along a longitudinal axis and which is supported rotatably about the longitudinal axis by the pump body. The shaft has an eccentric portion and a prismatic jacking end. A first... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20100183450 - Stroke-regulated linear compressor: A linear compressor having an electromagnet; an oscillating body movably guided in an oscillating fashion in the alternating field of the electromagnet; a cylinder; a piston connected to the oscillating body and movable back and forth inside the cylinder; a power supply circuit to supply the electromagnet with an alternating... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20100183451 - Hybrid hydraulic-electric engine: An automobile drive engine is described having an electric motor with two hydraulic pumps fixedly mounted on the center shaft of the motor. The smaller sized hydraulic pump is mounted on one side of the electric motor and the larger pump is mounted on the other side of the electric... Agent: John Kissane

20100183452 - Adaptor for an air compressor and an air compressor: The invention discloses an adaptor (10,50) for an air compressor (11,51). Adaptor (10,50) includes a manifold (14,52) having an inlet (20,74) adapted to be connected to the air exhaust of at least one air tool device (34) having an air motor connected, in use, to the air compressor (11, 51).... Agent: Moore & Van Allen PLLC

20100183454 - Rotary displacement pump: A rotary displacement pump (2) for pumping a medium, having a pump housing (3); a reception chamber (4) which is formed in the pump housing (3), with an inlet area (26) and an outlet area (27); at least one rotary displacement element (5, 6) which is accommodated in the reception... Agent: Gregory A. Nelson Novak Druce & Quigg LLP

20100183453 - Scroll compressor with three-step capacity control: A scroll compressor comprises a first scroll member having a generally spiral wrap and a second scroll member having a generally spiral wrap. The generally spiral wraps interfit to define compression chambers. A pair of ports leads from the compression chambers. A pair of valves selectively blocks flow of refrigerant... Agent: Carlson, Gaskey & Olds, P.C.

20100183455 - Submersible pump: The present invention relates to a submersible pump and a submersible pump system for pumping liquid to a marine structure, the pump being adapted to be located in a tube. The pump comprises an upper portion and a lower portion. The upper portion is adapted to be connected to means... Agent: Christian N. Heausler Kellogg Brown & Root LLC

20100183457 - Inverter-integrated electric compressor: Provided is a highly reliable inverter-integrated electric compressor that is capable of suppressing electromagnetic noise interference from a power-system metal board on which a semiconductor switching devices are bare-mounted and preventing malfunction of the inverter device. In an inverter-integrated electric compressor in which an inverter accommodating section provided on a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100183456 - Micro-fluidic system: The present invention provides a micro-fluidic system, a method for manufacturing a micro-fluidic system and a method for controlling or manipulating a fluid flow through micro-channels of such a micro-fluidic system. The inner side of the wall of the micro-channel is provided with actuator elements. These actuator elements have a... Agent: Philips Intellectual Property & Standards

20100183458 - Electric compressor with integral inverter: An electric compressor provided with an integral inverter, incorporated with a motor and provided in a receiving space surrounded by a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are covered by a resin charged into... Agent: Baker Botts LLP C/o Intellectual Property Department

20100183459 - Minipump: The present invention discloses an adhesion rotary disc pump comprising a housing embedding therein at least one adhesion-propelling disc mounted on a rotatable shaft that is drivable by a drive, wherein fluids engaging with said at least one adhesion-propelling disc are transportable from at least one inlet to at least... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20100183461 - Gas booster system and related method: An improved booster for use in piped fluid systems includes a motor, a fan wheel and a hermetically sealed tank assembly. Fluids enter the tank assembly through an inlet and are compressed within the tank assembly by a rotating fan wheel, before leaving the tank assembly through an outlet, which... Agent: Thomas M. Etter Etter Engineering Company, Inc.

20100183460 - Electric motor: A DC motor 12, has a stator housing 16 accommodating a permanent magnet stator and a rotor 15 rotatably mounted confronting the stator. The rotor 15 has a shaft 21, a rotor core 22 fitted to the shaft and having laminations forming salient poles or teeth 27. A commutator 23... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100183462 - Diaphragm pump: A diaphragm pump (1) has at least two pump heads (3) arranged around a central eccentric pump drive (2), the diaphragms (4) being drivingly connected to the eccentric pump drive (2) via connecting rods (5). The eccentric pump drive (2) has a connecting rod ring (6) to which the ends... Agent: Volpe And Koenig, P.C.

20100183463 - Piston for a refrigeration compressor: A piston of the type comprising a tubular skirt portion which is closed, next to an end edge, by a head portion, the skirt portion being defined by a respective tube extension and presenting an end edge region configured to affix a head portion formed in a separate piece and... Agent: Darby & Darby P.C.

20100183464 - Water pump: A water pump for delivering water from a well to the surface has a housing with a reciprocable plunger disposed therein. The housing is preferably comprised of PVC and tubulars which are connected to make up the plunger assembly are likewise PVC. A proximity bushing is disposed in the housing... Agent: Mcafee & Taft Tenth Floor, Two Leadership Square

07/15/2010 > patent applications in patent subcategories. category listing

20100178174 - Compressor system: A compressor system includes a lead compressor operable to produce a flow of compressed fluid at a first output and a lag compressor operable to produce a flow of compressed fluid at a second output. The sum of the first output and the second output defines a system output. A... Agent: Michael Best & Friedrich LLP

20100178175 - Start-up control device and method for electric scroll compressor: A device executing a start-up control method for an electric scroll compressor has a thermistor (18) and a pressure sensor (20) which, prior to the start-up of the scroll compression unit, detect temperature and pressure of a suction refrigerant introduced into the compression unit (2), and a controller (10) for... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100178176 - Retractable pump system: A system and method for utilizing a retractable pumping system installed on an aerial fire fighting helicopter adapted for drawing from a body of water to fill an onboard holding tank. The system comprising: a pump; a collapsible conduit; a housing for holding the collapsible conduit in a retracted position;... Agent: Bullivant Houser Bailey PC

20100178177 - Hydraulic rotary machine: In a hydraulic rotary machine having rotational shaft provided within a casing a rotational shaft, a cylinder block rotationally interlocked with the rotational shaft and formed with a plural number of cylinder bores, and pistons slidably received in the cylinder bores and adapted to slide back and forth within the... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100178178 - Piston compressor: A compressor includes a rotary shaft, a cam, a cylinder block, pistons, a thrust bearing, a rotary valve, and an oil passage. The rotary shaft has an in-shaft passage formed therein. The cam rotates integrally with the rotary shaft. The pistons are coupled to the rotary shaft through the cam.... Agent: Woodcock Washburn LLP

20100178179 - Multiplex reciprocating pump: A reciprocating pump assembly comprises: a motor with a rotary motor drive shaft; a cam coupled to the motor drive shaft with an axis of rotation and a cam channel cut generally axially into a radial face of the cam; and multiple reciprocating pump units arranged radially about the cam... Agent: Stephen George Mican

20100178180 - Fuel supply device: A male terminal is provided in a terminal hole formed in a flange unit. A female terminal and a grommet having a sealing portion to be fitted into the terminal hole are provided to a harness. A distance from an end of the sealing portion to a fore-end of the... Agent: Wenderoth, Lind & Ponack, L.L.P.

20100178181 - Heat-dissipation structure for motor: A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through... Agent: Birch Stewart Kolasch & Birch

20100178184 - Bellows plungers having one or more helically extending features, pumps including such bellows plungers, and related methods: A pump system includes at least one pressure chamber at least partially defined by a helical bellows plunger comprised of a tubular body, a closed front portion, an open rear portion, and at least one contour extending continuously as a helix, longitudinally from proximate the front portion to proximate the... Agent: Traskbritt, P.C.

20100178182 - Helical bellows, pump including same and method of bellows fabrication: A helical pump system includes at least one pressure chamber at least partially defined by a helical bellows plunger comprised of a tubular body, a closed front portion, an open rear portion, and at least one contour extending continuously as a helix, longitudinally from proximate the front portion to proximate... Agent: Traskbritt, P.C.

20100178183 - Pump mounting: A device (1) is used to mount a pump on a base plate (4) in a structure-borne noise-insulated manner, with the pump including a pump flange (6, 6a, 6b) having at least one mounting hole (9, 19). A mounting screw (2) engages in the mounting hole (9, 19) and detachably... Agent: Volpe And Koenig, P.C.

20100178185 - Fluid intake and exhaust fittings for a compressor or pump: We provide a compressor or vacuum pump fluid intake manifold having a fluid intake and a pair of ports provided by male and female fittings that are slidably engaged to one another. The male fitting has a portion which forms a hollow plug which fits within a respective fluid intake... Agent: Husch Blackwell Sanders, LLP Husch Blackwell Sanders LLP Welsh & Katz

07/08/2010 > patent applications in patent subcategories. category listing

20100172763 - Process for starting a pump: Process for starting a pump intended to pump a liquid contained in a tank and to produce a substantially constant outlet pressure (setpoint pressure), according to which: 1/ the temperature (T1) of the liquid held in the tank is determined and compared to a setpoint temperature (T0); 2/ if the... Agent: Solvay C/o B. Ortego - Iam-nafta

20100172764 - Electric compressor: There is provided an electric compressor that can protect a component to be protected from heat damage according to a capability of the component. The electric compressor 10 includes a compression mechanism 11, an electric motor 12 that drives the compression mechanism 11, and a control portion 13 that controls... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100172765 - Electric compressor control device: Provided is a device for controlling power supply from an inverter having a semiconductor switching element to an electric compressor having a built-in motor. The device includes: means for calculating a starting current value required for starting the compressor from the pressure at the discharge side circuit of the compressor;... Agent: Baker Botts LLP C/o Intellectual Property Department

20100172766 - Variable displacement piston machine with a sensor: The invention provides a variable displacement axial piston machine comprising a cylinder block with at least one main cylinder and main piston, a swash plate, a plunger arrangement with a plunger and auxiliary cylinder, and a sensor. The swash plate is arranged to effect movement of the main piston in... Agent: Zarley Law Firm P.L.C

20100172767 - System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered: A system and method for compensating a calculated or flow rate of fuel dispensed to a vehicle via a fuel flow path in response to a determination of a non-steady state condition based on data corresponding to a signal transmitted by a pressure sensor operatively coupled to the fuel flow... Agent: Nelson Mullins Riley & Scarborough LLPIPDepartment

20100172768 - Oil pump with improved structure: An oil pump with improved structure comprises a motor casing, a motor cap, and an oil pump. The motor cap comprises a through hole, and is used for the enclosure of a motor in cooperation with the motor casing. The interior of the motor is assemblingly provided with a rotating... Agent: Kamrath & Associates P.A.

20100172769 - Suspension system for a linear compressor: The suspension system is applied in a compressor, presenting a shell in which interior is horizontally suspended a motor-compressor assembly having opposite ends that are spaced from the shell by an axial spacing. Mounting elements are each attached to an end of the motor-compressor assembly and suspension springs are mounted... Agent: Darby & Darby P.C.

20100172770 - Vehicle-air-conditioner electric compressor: An object is to provide a highly reliable vehicle-air-conditioner electric compressor of an inverter-integrated type that minimizes vibration and deformation of a board and a bus bar caused by vibration of a vehicle so as to prevent devices from becoming detached, to prevent soldered sections and welded sections from rupturing,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100172771 - Multiphase pump: A multiphase pump includes a master cylinder having a first port adjacent to a first end of the master cylinder, and a second port adjacent to a second end of the master cylinder connected to a source of hydraulic fluid. A master piston is positioned within the master cylinder. A... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20100172773 - Submersible pump motor protector: According to one or more aspects of the present disclosure, a motor protector comprises a housing defining a compensator chamber; a compensator disposed in the housing having a motor fluid end in fluid communication with a motor fluid and a well fluid end, the compensator axially moveable relative to the... Agent: Schlumberger Reservoir Completions

20100172772 - Vehicle-air-conditioner compressor: There is provided a vehicle-air-conditioner electric compressor in which a high-voltage short circuit due to the breakage of a high-voltage system including an inverter is prevented in the event of a crash, thereby improving safety. In a vehicle-air-conditioner electric compressor (1) including an inverter accommodating section (10) at the periphery... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100172774 - Compressor: The compressor according to the present invention comprises a plurality of casings (1a, 1b) each having an open end designed to be brought into butt contact, the casings being arranged with the open ends in butt contact with each other, thereby constituting a pressure vessel enclosing a compressing unit; a... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100172776 - Fuel pump: A fuel pump for delivering fuel has a housing part made from a coated material. An insert made from an electrically non-conductive material, such as for example phenolic resin, is pressed into the housing part. The insert which is produced from phenolic resin can be pressed into the housing part... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100172777 - Inlet design for a pump assembly: One embodiment includes a housing (14) and an impeller (34). The housing (14) comprises an inlet portion (24) which in turn defines an inlet passage (28). The inlet passage (28) leads to the impeller (34) and directs fluid flow substantially perpendicular with respect to an axis of rotation (38) of... Agent: Reising, Ethington, Barnes, Kisselle, P.C.

20100172775 - Maglev motor and pump: A maglev motor and a pump using the maglev motor can be provided with strong magnetic bearing force generated by a simple structure, rotation losses of a rotor reduced with the generation of an eddy current suppressed, and a configuration of magnetic bearing can downsize by using a thin rotor.... Agent: Schwegman, Lundberg & Woessner, P.A.

20100172778 - Connecting rod without wrist pin: A reciprocating pump assembly has a pump within a housing. The pump has a crankshaft that rotates and a crosshead that is connected to a plunger via a pony rod. The plunger pumps fluid through cylinders in the pump. A connecting rod connects at one end to the crankshaft and... Agent: Bracewell & Giuliani LLP

20100172779 - Piston compressor, particularly refrigerant compressor: The invention concerns a piston compressor, particularly a refrigerant compressor with a compression chamber in a compressor block, the compression chamber being delimited by a cylinder head (10), the cylinder head (10) comprising at least one valve plate arrangement with at least one suction valve (23, 24) and at least... Agent: Mccormick, Paulding & Huber LLP

07/01/2010 > patent applications in patent subcategories. category listing

20100166569 - Sewage pump blockage detection: A method of monitoring a pump which operates to pump sewage from a wet well in which the current drawn by the pump is detected along with the speed of operation of the pump and the wet well level. The detected values are compared with stored values in a look... Agent: Barlow, Josephs & Holmes, Ltd.

20100166570 - Method and apparatus for detecting the fluid condition in a pump: A pump control system which detects a fluid condition in a pump is disclosed. The pump control system may include a control event based on the fluid condition in the pump. The pump control system may detect a fluid condition in the pump by monitoring the frequency response of the... Agent: Baker & Daniels LLP 111 E. Wayne Street

20100166572 - Braking controller of a three-phase permanent magnetic brushless dc motor for directly driving a screw pump: A braking controller of a three-phase permanent magnetic brushless DC motor for directly driving a screw pump includes a detection circuit for detecting power supply states of the three-phase permanent magnetic brushless DC motor and a braking circuit for controlling the braking startup according to the power supply states of... Agent: C. James Bushman

20100166571 - Device for regulating the operating pressure of an oil-injected compressor installation: Device for adjusting the operating pressure of an oil-injected compressor installation with a compressor element (2) driven by a motor (4) with an adjustable rotational speed and a control module (13), whereby the device (15) is provided with a controlled inlet valve (16) which is connected to the air inlet... Agent: Bacon & Thomas, PLLC

20100166573 - High-pressure generation device: The high-pressure generation device (110) comprises three pressure chambers which pressurize liquid drawn from the outside through the pumping operation of a plurality of pistons (1) having different outer diameters, pressurizes the liquid drawn from the outside, and discharges the liquid pressurized to a constant pressure to the outside in... Agent: Knobbe Martens Olson & Bear LLP

20100166574 - Heat dissipation device and fan assembly thereof: A heat dissipation device includes a heat sink, a cooling fan, an electric motor and a belt. The cooling fan includes a fan housing and an impeller. The impeller includes a hub, a plurality of fan blades and a shaft extending from the hub and having a distal end protruded... Agent: PCe Industry, Inc. Att. Steven Reiss

20100166575 - Magnet embedded rotor, electric motor using the same rotor, and compressor using the same motor: A magnet embedded rotor is provided in which permanent magnets are embedded in the iron core of the rotor at a fixed interval. Notch parts are formed at the first protruding part and both the sides of the first protruding parts on the outer face between salient poles in the... Agent: Jordan And Hamburg LLP

20100166576 - Magnetic air car: A magnetic air car uses a magnetic motor to compress input air and save moderately compressed high-pressure air in storage tanks. The compressor and storage tanks deliver the high-pressure working air and operational flows to several stages of compressors that boost the pressures during driving to very high-pressure, then ultra... Agent: Richard Brewster Main, Esq.

20100166577 - Hermetic compressor: A hermetic compressor is disposed with an annular motor stator, a motor rotor, a casing and plural spot joining portions. The motor rotor is disposed such that it may freely rotate in a space inside the motor stator. The casing includes a cylindrical portion. The cylindrical portion houses the motor... Agent: GlobalIPCounselors, LLP

20100166580 - Fan and fan housing: A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100166578 - Rotor bearing assembly: An electrical submersible pump according to one or more aspects of the present invention comprises a stator; a rotatably shaft; and a rotor bearing disposed between the shaft and the stator, the rotor bearing comprising carbide bearing sleeve receiving the shaft, wherein the carbide bearing sleeve does not form a... Agent: Schlumberger Reservoir Completions

20100166579 - Brushless motor for fluid pump and fluid pump using the motor: The present invention provides a brushless motor for a fluid pump that allows implementing a fluid pump that overcomes problems of durability and reduction of energy efficiency due to DC motors in the related art and provides excellent operational characteristics, by ensuring a space allowing fluid to flow between a... Agent: Lrk Patent Law Firm

20100166581 - Lubricant or hydraulic pump: The invention relates to a lubricant or hydraulic pump for delivering oil or the like having a housing which is formed from two housing shells which are of at least substantially similar or identical construction. An inlet is provided on or in the housing. Furthermore, a rotatably mounted drive element,... Agent: Senniger Powers LLP

20100166582 - Polymer material and seals formed thereof for high pressure pump applications: A seal is formed of a material including a crosslinked fluoropolymer. The seal substantially prevents leaks in a high pressure pump.... Agent: Larson Newman & Abel, LLP

20100166583 - Air compressor: An air compressor includes a chassis that supports thereon a motor, a transmission set, and a plurality of extendible barrels. The transmission set includes a clutch that is operatively coupled to the motor through a belt. Two eccentric rotation members are respectively arranged on opposite sides of and coupled to... Agent: Leong C Lei

20100166584 - High pressure pump: A volume chamber is formed by a valve member, an inner peripheral wall of a tubular portion and a bottom portion of a stopper when the valve member is engaged with tubular portion. A communication passage communicates between the volume chamber and one of an intermediate passage of a valve... Agent: Nixon & Vanderhye, PC

20100166585 - Microdosing device for dosing of smallest quantities of a medium: A microdosing device for dosing smallest quantities of a medium, having an inlet device, an outlet device, a pump device and a media duct that leads from the inlet device to the outlet device, the inlet device having an inlet opening and an inlet valve having an inlet valve piston,... Agent: Kenyon & Kenyon LLP

20100166586 - Hermetic compressor: A hermetic compressor having an improved refrigerant discharge path to efficiently reduce pulsation of a refrigerant to be discharged. The hermetic compressor includes a frame, a cylinder provided at one side of the frame and having a compression chamber, a cylinder head coupled to the cylinder so as configured to... Agent: Blank Rome LLP

20100166587 - Gravity-assisted fluid pump: A gravity-assisted fluid pump includes a fluid reservoir, a piston, a valve element, a piston operator, and a valve operator. The piston is movably disposed within the fluid reservoir and is movable between an uppermost position and a lowermost position. The valve element is movable between a closed position and... Agent: Ingrassia Fisher & Lorenz, P.C.

Previous industry: Fluid reaction surfaces (i.e., impellers)
Next industry: Rotary expansible chamber devices


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