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Pumps December patent applications/inventions, industry category 12/10

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.
12/30/2010 > patent applications in patent subcategories.

20100329889 - Switch and float assembly for a pump: An assembly controls the liquid level in a vessel in which a submersible pump is disposed. The assembly has a switch housing and a float housing, arranged proximate to each other. A switch in the switch housing selectively energizes a motor associated with the pump. When a float disposed in... Agent: Standley Law Group LLP

20100329891 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses... Agent: Ampacc Law Group, PLLC

20100329893 - External oil expansion chamber for seabed boosting esp equipment: An expansion chamber to serve ESP equipment installed on the seabed located in either a caisson or a conduit on a skid. The expansion chamber provides an external reservoir for expansion and contraction of motor oil in the ESP equipment. During operation of an ESP, the heat generated in the... Agent: Bracewell & Giuliani LLP

20100329892 - Hydraulic drive and control system for pumps: A pumping system is provided which is a mobile, vehicle-mounted pumping system, such as for water or fuels, which mounts on a vehicle and may be used for various applications. The pumping system operates a drive system and control system for liquid pumps almost exclusively by hydraulic fluid pressure.... Agent: Flynn Thiel Boutell & Tanis, P.C.

20100329890 - Reactor coolant pump motor load-bearing assembly configuration: A method of upgrading a 1,500 rpm reactor coolant pump motor having a vertically oriented rotor shaft supported by a lower guide bearing disposed in an oil reservoir. The method includes removing a lower guide bearing support to enhance circulation of the oil to facilitate cooling of the oil and... Agent: Westinghouse Electric Company, LLC

20100329894 - System and method for control of devices internal to a hermetic compressor: A system is provided for transmitting control signals to the internal devices of a compressor. The compressor includes a housing, a hermetic power terminal and a motor for powering the compressor. The system includes a frequency converter that is located external to the compressor housing and a frequency decoder that... Agent: Mcnees Wallace & Nurick LLC

20100329895 - Multistage compressor installation: A multistage compressor installation in which compression stages utilizing centrifugal compressors are independently driven by drivers that can be electric motors configured to be controlled by a speed controller. Intercoolers are located between stages to remove the heat of compression and the stages are connected such that outlets are located... Agent: Praxair, Inc. Law Department - M1 557

20100329896 - Multistage pressure condenser: According to one embodiment, there is provided a multistage-pressure condenser, including a first condenser, a second condenser and a third condenser, which are arranged in increasing order of internal pressure, the first condenser and the second condenser each including a first partition in which perforations from which condensate obtained by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100329897 - Method for processing the valve plate of a reciprocating compressor to prevent the suction valves and/or the discharge valve of the compressor from sticking on the valve plate at the portions abutting the valve plate, and reciprocating compressor: [Disclosure of the Invention] A method for processing the valve plate 8 of a reciprocating compressor 1 to prevent the suction valves 10a and/or the discharge valves 10b from sticking on the valve plate 8 at the portions abutting the valve plate 8 comprises the steps of rotating the valve... Agent: Baker Botts LLP C/o Intellectual Property Department

20100329898 - Compressor inlet guide vane control: A compressor airflow control assembly is operable to control airflow through a centrifugal compressor. The control assembly includes an air valve mounted in the airflow path to control airflow through the compressor. The control assembly also includes a controller operable to sense an airflow condition and control shifting of the... Agent: Hovey Williams LLP

20100329899 - Multi-frequency pulsation absorber at cylinder valve cap: A multi-chambered pulsation absorber for attachment over the valve cap opening of a compressor cylinder. Each chamber is in fluid communication with the valve cap opening (or cylinder internal gas passages) via an associated choke tube. Each pairing of a chamber with a choke tube is tuned, in the manner... Agent: Chowdhury & Georgakis, P.c

20100329900 - Pump for pumping fluids: A pump is disclosed which has a housing with a upper end and a lower end. A conduit is defined through the housing between the upper and the lower ends. The pump includes an impeller within the housing, an inlet from the conduit to the impeller and an outlet from... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100329901 - Stator device, motor constructed thereby, and heat-dissipating fan including the stator device: A stator device includes a base having a shaft tube receiving a bearing. The shaft tube includes a top end having at least one groove. A stator unit is mounted around an outer periphery of the shaft tube. The stator unit includes at least one limiting member extending through the... Agent: Kamrath & Associates P.A.

20100329902 - Pneumatic motorized multi-pump system: Motorized single-machine multi-pump apparatus and closed-loop methodology interconnected with a gas pipeline at a natural gas production well, using pressurized gas flow and differential pressure to drive a pumping system regulated by pneumatic controls using self-generated clean, low-pressure instrument air. The apparatus is connected to the gas flow line and... Agent: Al Harrison Harrison Law Office, P.C.

20100329903 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses... Agent: Ampacc Law Group, PLLC

20100329904 - Integrated endshield and pump volute for an electric pump and method of forming an electric pump: An electric pump comprises a stator, a rotor, and an endshield. The interface plate is fixed to the stator and is configured to couple the electric motor to a pump. The pump volute is formed as an integral portion of the endshield, thereby minimizing the axial length of the electric... Agent: Thompson Coburn LLP

20100329906 - Motor for compressor and hermetic compressor having the same: Disclosed are a motor for a compressor and a hermetic compressor having the same. An aluminum coil cheaper than a copper coil is used in the motor for the compressor, a ratio between the aluminum coil and a stator core is set, and sectional areas of main and sub slot... Agent: Ked & Associates, LLP

20100329907 - Motor for compressor and hermetic compressor having the same: Disclosed are a motor for a compressor and a hermetic compressor having the same. An aluminum coil is used in the motor for the compressor, and sectional areas of main and sub slot portions and the numbers thereof are adjusted to be suitable for usage conditions, whereby fabricating costs of... Agent: Ked & Associates, LLP

20100329905 - Permanent magnet direct drive mud pump: A permanent magnet direct drive mud pump has a permanent magnet motor, a shaft connected to the permanent magnet motor, and a pump head connected to the end of the shaft opposite the permanent magnet motor. The permanent magnet motor has a housing, a stator positioned within the housing, and... Agent: Egbert Law Offices

20100329908 - Heat exchanger for esp motor: A heat exchanger to serve ESP equipment installed on the seabed located in either a caisson or skid. A hot oil line connects the base of the ESP motor with the externally located heat exchanger, allowing hot motor oil to be circulated through coils externally exposed to seawater. The heat... Agent: Bracewell & Giuliani LLP

20100329909 - Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses... Agent: Ampacc Law Group, PLLC

20100329910 - Roller pump: The invention relates to a roller pump consisting of a stator with a pump bed formed therein and a rotor for acting on a hose inserted into the pump bed in arcuate form. In accordance with the invention, the ends of the tube guided out of the pump bed cross.... Agent: Jacobson Holman PLLC

20100329911 - Check valve and piston pump having check valve: A check valve for arranging between a first pressure chamber, in which a first pressure prevails, and a second pressure chamber in which a second pressure prevails. The valve comprises a valve housing on which a valve seat is formed, and comprises a blocking element which is designed in a... Agent: Casimir Jones, S.c.

12/23/2010 > patent applications in patent subcategories.

20100322785 - Compressor unit: A compressor unit including a compressor is provided. The compressor unit includes a suction line and a discharge line, a control unit which controls the compressor and/or adjacent modules. A method to operate a compressor unit is also provided. To avoid any damage caused by non-gaseous fluid amount at least... Agent: Siemens Corporation Intellectual Property Department

20100322784 - Solar water heating system: A variety of arrangements and methods relating to a solar water heating system are described. Various implementations involve a relatively lightweight, affordable, low-pressure solar water heating system that is easier to ship and assemble and that is resistant to overheating and freezing damage. In one aspect of the invention, a... Agent: Beyer Law Group LLP

20100322786 - Pressure control unit: The present invention relates to a novel pressure control unit for air compressors, which was never described in prior art up to the present. The pressure control unit comprises all basic instruments and components combined into a single robust and practical housing. The pressure control unit, according to the present... Agent: Schmeiser, Olsen & Watts

20100322787 - Electronic clutch for a water pump: The present invention relates to an electronic clutch for a water pump which is able to break the transmission of drive force between a pulley and a water pump drive shaft in accordance with the temperature of the cooling water in an engine. A characterizing feature of the present invention... Agent: Lrk Patent Law Firm

20100322788 - Auxiliary braking device for wellhead having progressive cavity pump: An auxiliary braking device can be used for wellhead applications having a progressive cavity pump. A housing of the device independently mounts on the pump's existing drive using a mounting member, and an adapter on the housing connects to a rotatable drive shaft of the pump. A hydraulic motor on... Agent: (weatherford) Wong Cabello Lutsch Rutherford & Brucculeri LLP

20100322789 - Axial piston engine having a housing with a radially widened interior portion: The invention relates to a hydrostatic axial piston engine (1), having a housing (2), which with two transverse walls (18a, 18b) and a peripheral wall (2c) connecting these longitudinally to one another surrounds an interior (3), a driving shaft (19), which extends longitudinally in the housing (2) and is mounted... Agent: Scully Scott Murphy & Presser, PC

20100322790 - Reciprocating compressor: The present invention relates to a reciprocating compressor. The reciprocating compressor includes a latching unit by which a piston is reciprocated by two times a total eccentric amount obtained by adding an eccentric amount of an eccentric portion to an eccentric amount of an eccentric sleeve in a power mode,... Agent: Mckenna Long & Aldridge LLP

20100322791 - Hydraulic system with supplement pump: If a hydraulic system has several modes of operation, in particular a mode with a high pressure demand (II) and a mode with a high fluid flow demand (II), the hydraulic fluid pump has to be built with an accordingly high fluid flow output. Such a pump is expensive. Therefore... Agent: Mccormick, Paulding & Huber LLP

20100322792 - Blower: A blower has an air channel housing that defines an air channel therein, the air channel housing having an air outlet extending therefrom. A plurality of air blades are positioned inside the air channel housing, and positioned horizontally with respect to a surface on which the blower is supported. A... Agent: Raymond Sun Law Offices Of Raymond Sun

20100322794 - Centrifugal pump: A centrifugal pump has a pump unit and a drive unit. The pump unit includes a volute and an impeller disposed in the volute. The drive unit has a stator and a rotor having a shaft. The volute includes an inlet, an outlet and a chamber in communication with the... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100322793 - Motor and compressor: A motor for a compressor includes a rotor and a stator disposed radial outside of the rotor. The stator includes a stator core having oppositely facing axial end faces, insulators disposed so as to face the end faces, and coils wound on the stator core and the insulators. Each of... Agent: GlobalIPCounselors, LLP

20100322795 - Dynamic control of an electric drive: A fluid delivery system includes a pump operably coupleable to a source of fluid. A reciprocating electromagnetic actuator is coupled to the pump and has a coil that when energized causes the actuator to drive the pump. Coil current sensing circuitry is configured to provide an indication of current flowing... Agent: Westman Champlin & Kelly, P.A.

20100322796 - Hermetic compressor: Disclosed is a hermetic compressor. A plurality of cylinders are disposed at upper and lower sides, a communication path is formed so as to communicate inlets of the cylinders with each other, and a suction pipe connected to a system is coupled to an inlet of one cylinder. This more... Agent: Ked & Associates, LLP

20100322797 - Bracketless magnetic pump: A fluid pump kit is provided. The kit includes a magnetic driven member for coupling with and rotating a propeller, and a magnetic driver for magnetically coupling to and driving the magnetic driven member by a magnetic attraction force establishable between the magnetic driver and the magnetic driven member. A... Agent: Berenato & White, LLC

20100322801 - Micropump structure: A micropump structure including a main body, at least one water room partitioning board, at least one fan propeller and at least one drive unit. The main body has at least one water room, an inlet and an outlet. The inlet and the outlet are disposed on a circumference of... Agent: Nikolai & Mersereau, P.A.

20100322798 - Rapidly rotating vacuum pump: A rapidly rotating vacuum pump includes: a magnet-mounted rotor driven by an electric drive motor with a predetermined constant nominal rotational frequency (fnom). The rotor and a rotor bearing are embodied in such a way that the bending-critical counter-rotational resonance frequency (fcrit) is between 3% and a maximum of 30%... Agent: Fay Sharpe LLP

20100322799 - Turbomolecular pump: A turbomolecular pump (10) includes a rotor (12) connected to a drive shaft (10). The rotor (12) has multiple rotor vanes (16). The rotor (12) is surrounded by stator rings (26) with one stator ring (26) is provided for each rotor vane (16). In order to enable radial expansion of... Agent: Fay Sharpe LLP

20100322800 - Cooling fan: A cooling fan includes a base forming a central tube at a central portion thereof, a stator mounted around the central tube and a rotor rotatable relative to the stator. The central tube defines at least one engaging slot therein. The stator includes a stator core, an upper insulating frame... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100322802 - Readily removable pump crosshead: A reciprocating pump has a driven crankshaft and a connecting rod having an aft end rotatably mounted to the crankshaft. The pump has a stationarily mounted crosshead case in which a crosshead assembly strokes. The crosshead assembly has first and second crosshead members. A retainer pivotally joins the forward end... Agent: Bracewell & Giuliani LLP

20100322803 - Suction manifold mounting for a fluid end for a high-pressure pump: A suction manifold mounting for a fluid end of a high pressure pump having a frame assembly. The fluid end has a body forging with a detachable suction manifold plate. The plate is pivotally attached at opposed ends to a pair of swivel arms through a cooperating pair of yoke... Agent: Jackson Walker LLP

20100322804 - Peristaltic pump pistol: The peristaltic pump streaming/spraying pistol comprises a shroud with a battery, a motor, and a hose. The hose is connected with a sinking weighted ball at one end and a streaming/spraying nozzle at another end. A wall and a rotating disc, which is at least partially surrounded by the wall,... Agent: Leydig Voit & Mayer, Ltd

12/16/2010 > patent applications in patent subcategories.

20100316503 - Pump unit: The invention relates to a pump assembly with a pump (4) and with an electrical drive motor (6), as well as an electronic control device (8), wherein the electronic control device (8) comprises a rotation direction recognition module (14) for recognizing the correct rotation direction (CW, CCW) of the drive... Agent: Panitch Schwarze Belisario & Nadel LLP

20100316505 - Compressor freeze up prevention in cold weather: The present embodiments provide a control system and method that is able to automatically cycle one or more compressor valves, for example to prevent freeze up. For example, in one embodiment, a system includes a compressor having a compression device configured to increase a pressure of a gas, a valve... Agent: Fletcher Yoder (illinois Tool Works Inc.)

20100316504 - Positive displacement pumping system: A positive displacement pumping system for use in deep wells includes a drive system and one or two pumps. In the preferred embodiment, the drive system includes an electrical motor, a speed reducer, and a rotary-to-reciprocal motion converter. Alternatively, the drive system includes a windmill, a variable transmission, and a... Agent: Etherton Law Group, LLC

20100316506 - Engine fuel pump drive system: A fuel pump drive mechanism may include a fuel pump rocker arm and a fulcrum member. The fuel pump rocker arm may have a first end defining a cam engagement region and a second end defining a fuel pump engagement region. The fulcrum member may be engaged with the rocker... Agent: Harness Dickey & Pierce, P.L.C

20100316507 - Split discharge vane pump and fluid metering system therefor: A split discharge vane pump is disclosed having a pump body that includes an interior pumping chamber having a central axis and defining a continuous peripheral cam surface, the cam surface including four quadrantal cam segments, wherein diametrically opposed cam segments have identical cam profiles, and each cam segment defines... Agent: Edwards Angell Palmer & Dodge LLP

20100316508 - Heat-dissipating fan: A heat-dissipating fan includes a shaft seat. A coil base is coupled to the shaft seat. The coil base includes a base portion and a coil unit coupled to the base portion. The base portion includes a connection port electrically connected to the coil unit. The connection port is connected... Agent: Kamrath & Associates P.A.

20100316509 - Miniature fan: A miniature fan includes a housing having a mounting portion with a shaft seat. A base is mounted to the mounting portion of the housing. The base includes first and second faces spaced along an axis. An outer layer is provided on the first face of the base. A bottom... Agent: Kamrath & Associates P.A.

20100316510 - Reciprocating piston machine: A reciprocating piston machine is proposed, in particular for motor vehicles, comprising a drive shaft (1) having a central axis (5), a driving element (3) which is rigidly connected to the drive shaft (1) and which extends essentially perpendicular to the central axis (5), a guide sleeve (9) which encloses... Agent: Harness, Dickey & Pierce, P.L.C

20100316511 - Centrifugal fan: A centrifugal fan is provided, in which the value of static pressure with respect to the flow rate, namely, the flow rate-static pressure characteristic may be set to a relatively arbitrary value without increasing noise. An impeller of the centrifugal fan comprises an impeller body, a plurality of stems, a... Agent: Rankin, Hill & Clark LLP

20100316512 - Diaphragm pump with two diaphragm heads and two separate pump housings: A diaphragm pump (1) having two diaphragm heads (15), in each case two diaphragms (6) and two separate pump housings (3) in which the connecting rods (5) for the diaphragms (6) are arranged, which connecting rods (5) can be driven by a common shaft (4). The drive for the shaft... Agent: Volpe And Koenig, P.C.

20100316513 - Linear compressor: A linear compressor comprises: a fixed member including a cylinder for providing a refrigerant compression space; a movable member, which includes a piston for compressing refrigerant inside the cylinder and a supporter composed of a center portion being aligned with a center of the piston and a support portion extended... Agent: Mckenna Long & Aldridge LLP

20100316514 - Heat-dissipating fan: A heat-dissipating fan includes a housing having a peripheral wall defining a compartment receiving a shaft seat. The peripheral wall includes a wire-guiding slot in communication with the compartment. A base is coupled to the housing and includes a coil unit and a connection port electrically connected to the coil... Agent: Kamrath & Associates P.A.

20100316515 - Hermetic compressor and refrigeration system: A valve plate includes a suction port to which gas to be compressed in a compression chamber flows in and a discharge port from which gas compressed in the compression chamber is discharged, a projection that appears from the discharge port with the reciprocating movement of the piston is arranged... Agent: Hamre, Schumann, Mueller & Larson P.C.

20100316516 - Peristaltic pump: The invention concerns an improved peristaltic pump including at least one elastically flattenable tube and at least two assemblies of two pressing elements placed opposite each other, each of said assemblies being configured to compress the tube at a different point from the pump. These two pressing elements of a... Agent: Ratnerprestia

20100316517 - Swash plate of a swash plate type compressor and the swash plate type compressor: The substrate 3a of the swash plate 3 comprises a disk-shaped steel sheet formed by pressing a rolled steel sheet into a disk shape, and both surfaces of the disk-shaped steel sheet is ground. Thus, resin coating layers 10 containing fluororesin, which has superior seizure resistance, can be strongly fixed... Agent: Wenderoth, Lind & Ponack, L.L.P.

12/09/2010 > patent applications in patent subcategories.

20100310382 - Method of controlling a pump and motor: Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection,... Agent: Greenberg Traurig (phx)

20100310383 - Ion pump system and electromagnetic field generator: It is an object of the present invention to provide an ion pump system etc. having a high air-exhausting capacity and vacuum-maintaining capacity and capable of adjusting drive modes suitable for the uses thereof The subject problem is solved by an ion pump system (7) comprising a casing (1), a... Agent: Lawrence Y.d. Ho & Associates Pte Ltd

20100310385 - Artificial lift mechanisms: The invention relates to electric linear motors and gas springs in reciprocating pumps for oil wells. By the use of this invention a simple, silent, compact and adaptable mechanism can be constructed to drive a wide range of such pumps. The mechanism will sense a variety of pumping conditions and... Agent: Emerging Strategies, LLP

20100310384 - System and method for servicing a wellbore: A method of servicing a wellbore, comprising establishing a pumping profile having a performance plan, operating a first pump according to a first pumping parameter value, and operating a second pump according to the second pumping parameter value, wherein the second pumping parameter value is selected relative to the first... Agent: John W. Wustenberg

20100310386 - Hydraulic damping assembly and regulating system: For both adjustable flow restrictors D1, D2 having variable cross-sections a common adjustment element 21 is provided mechanically coupling the restrictors in a hydraulic damping assembly D for regulating parameters of a regulating system S, in particular of a variable displacement pump P, the restrictors D1, D2 being provided in... Agent: Cook Alex Ltd

20100310387 - Adjustable unloader valve: A pressure unloader valve is disclosed having inlet and outlet connections adjustable about two dimensions to adapt to a wide variety of high pressure pumps and similar equipment associated with such applications. According to one embodiment, the inlet and outlet connections are adjustable about both a horizontal and a vertical... Agent: Sheridan Ross PC

20100310388 - Sealing structure and comprssor: A sealing is arranged between a rear head having an ejection port configured and arranged to eject compressed refrigerant and a rear muffler disposed so that a muffler space is formed between the rear muffler and the rear head. The rear head includes a main body having a bearing hole,... Agent: GlobalIPCounselors, LLP

20100310389 - System for attenuating pulsation in the gas discharge of a refrigeration compressor: The attenuation system is applied to a compressor which comprises: a cylinder (2) having an end closed by a valve plate (4) provided with a discharge orifice (4a) and defining, with the cylinder (2), a compression chamber (6), a cylinder cover (5) being seated against the valve plate (4) and... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20100310390 - Fan: A fan includes a frame, a rotor, a stator, a printed circuit board (PCB), and a water-proof structure. The frame includes a base, a first opening, and a second opening corresponding to the first opening. The base is located at the center of the frame near the second opening. The... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100310391 - Heat dissipation apparatus: A heat dissipation fan includes a first magnetic pole, and a second magnetic pole positioned in the first magnetic pole. A plurality of coils is positioned on the first magnetic pole. A plurality of fan blades is positioned on an inner surface of the second magnetic pole. When the current... Agent: Altis Law Group, Inc. Attn: Steven Reiss

20100310392 - On-board inert gas generation turbocompressor systems and methods: The present invention provides a system and method for cooling the bleed air supply in an on-board inert gas generation system. The gas generation system cools the bleed air using a turbocompressor in conjunction with heat exchangers. Exhaust from a regenerative heat exchanger providing air to the turbocompressor is ported... Agent: Honeywell/shimokaji Patent Services

20100310394 - Compressor unit: A compressor unit having a cylinder and a piston, wherein the cylinder and the piston delimit a compressor chamber. The compressor unit also includes a capsule that surrounds at least the cylinder and the piston and a linear drive to drive a relative movement of the cylinder, the piston and... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20100310393 - Stator for linear compressor: A stator for a linear compressor comprises a coil winding, in which a coil winds in a circumference direction and current flows; a bobbin set, which is wound with the coil winding and which insulates the coil winding; and a plurality of core blocks, which are arranged in a circumference... Agent: Ked & Associates, LLP

20100310395 - Pump for a vehicle brake system having a valve: The invention relates to a pump having a valve through which a fluid can optionally flow. The valve is embodied by a cavity for displaceably guiding a spherical blocking body, and a valve seat that is spatially adapted to the spherical shape of the blocking body. A free space protruding... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20100310396 - Arrangement and process for mounting a resonant spring in a refrigeration compressor: The arrangement and the process are applied in a compressor comprising: a cylinder block (2); a movable assembly including a piston (5); and a resonant spring (11) having a first end portion (11a), affixed to the cylinder block (2) by a first fixation means (20), and a second end portion... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20100310397 - Fluid disc pump: A pump having a substantially cylindrical shape and defining a cavity formed by a side wall closed at both ends by end walls wherein the cavity contains a fluid is disclosed. The pump further comprises an actuator operatively associated with at least one of the end walls to cause an... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P. Suite 1700

20100310398 - Fluid disc pump: A pump having a substantially cylindrical shape and defining a cavity formed by a side wall closed at both ends by end walls wherein the cavity contains a fluid is disclosed. The pump further comprises an actuator operatively associated with at least one of the end walls to cause an... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

12/02/2010 > patent applications in patent subcategories.

20100303636 - Method of controlling an auxiliary pump for a transmission: A method of operating an auxiliary pump for an electrically variable transmission includes purging the auxiliary pump when an auxiliary pump temperature is below a minimum operating temperature and above a minimum purge temperature. The auxiliary pump fluid temperature and the minimum purge temperature are determined based upon the transmission... Agent: Quinn Law Group, PLLC

20100303637 - Method, apparatus and use of the apparatus for controlling a compressor: A method controls a compressor for delivering a pressure medium into a pressure medium system, for example an air suspension system in a motor vehicle. In the method, the delivery of the pressure medium can be switched on and off as a function of a temperature signal by the compressor... Agent: Lerner Greenberg Stemer LLP

20100303639 - Method for operating a compressor device and associated compressor device: A method for operating a compressor device and associated compressor device including a compressor chamber and a cooling chamber adjoining the compressor chamber is provided. The pressure of a cooling medium in the cooling chamber is held above the pressure of a compressor medium in the compressor chamber during operation... Agent: Siemens Corporation Intellectual Property Department

20100303638 - Method of operating a fluid working machine: When the fluid flow output of a synthetically commutated hydraulic pump is adapted to a given fluid flow demand, pulsations in the fluid output flow of the synthetically commutated hydraulic pump can occur. To avoid such pressure pulsations, it is suggested, to use a set of pre-calculated actuation patterns for... Agent: Mccormick, Paulding & Huber LLP

20100303640 - Vacuum pump: A vacuum pump (10) has a pump rotor (14) and a pump stator (12). The pump rotor (14) has an electrical measuring transducer (44), for example a temperature sensor. A transmitting antenna (40), which is connected with the measuring transducer (44), is provided on the pump rotor (14). A receiving... Agent: Fay Sharpe LLP

20100303641 - Vacuum generating device and method for the operation thereof: The invention relates to a vacuum generating device (1) and to a method suitable for the operation thereof. An ejector device (27) is connected with an inlet (29) thereof to an air supply conduit (32) that can be selectively closed or opened by an electronic control unit (14) in order... Agent: Hoffmann & Baron, LLP

20100303642 - Controller and work machine provided therewith: A controller includes: a storage unit that stores a map in which an operation amount and an upper limit value of suction horsepower of a hydraulic pump are associated with each other, for each operation content identified by a cylinder that is an operation object out of the cylinders, and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100303643 - Fan drive system: A fan drive system for driving an engine cooling fan mounted in a working machine is described. The fan drive system includes a variable displacement pump that supplies oil to an actuator and is also used as a hydraulic pump for the hydraulic motor that drives the cooling fan. A... Agent: Fish & Richardson P.C.

20100303644 - Vacuum pump: A condensation sensor is provided within a power supply device that is provided integratedly with a vacuum pump main unit. When the condensation sensor detects condensation within the power supply device, a CPU closes a cooling water valve. This stops the flow of cooling water that flows through the interior... Agent: Mcdermott Will & Emery LLP

20100303645 - Reciprocative compressor: In the reciprocative compressor having a swing-type piston mechanism, a piston ring is attached to a piston ring groove to seal between a piston and a cylinder. A ring groove is provided separately from the piston ring groove on the outer circumferential side of the piston and on the crankshaft... Agent: Crowell & Moring LLP Intellectual Property Group

20100303646 - Non-dilution blower apparatus for high efficiency water heater: A blower housing of novel two-piece construction is comprised of first and second housing parts of stamped or drawn sheet metal that are attached together. The two-piece construction provides the housing with two interior portions separated by an interior wall. The interior wall has an opening that is spaced from... Agent: Thompson Coburn LLP

20100303647 - Centrifugal fan: A centrifugal fan includes a housing including a base, a side wall portion having an air outlet defined therein, and a cover arranged above the side wall portion and having an air inlet defined therein. A circuit board is arranged on an upper surface of the base, and includes a... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20100303648 - Inverter-integrated electric compressor: An inverter-integrated electric compressor in which noise interference with an inverter circuit section due to electromagnetic noise generated from high-voltage-system components can be reliably eliminated without impairing the ease of assembly and a reduction in size. In an inverter-integrated electric compressor (1) provided with an inverter accommodating section (9) on... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100303649 - Double action simplex pump: Embodiments of the invention provide a double action simplex pump including a pump body with a first half and a second half joined together to form an enclosed cavity. The first half includes a first pipe member and the second half includes a second pipe member. A first end of... Agent: Greenberg Traurig (phx)

20100303650 - Current leadthrough for a vacuum pump: The vacuum pump comprises a casing (10) closed by a vacuum cover (20). Between an end wall (14) of the casing (10) and the vacuum cover (20), a circuit board (16) is arranged for current feedthrough. The circuit board (16) is sealed by two sealing elements (15, 21) of different... Agent: Fay Sharpe LLP

20100303652 - Miniature heat-dissipating fan device: A miniature heat-dissipating fan device is disclosed, which comprises: a frame; a shaft, pivotally connected to the frame; at least a planar coil, each being received in the frame and formed in a wave winding manner; at least a permanent magnet, each being connected to the shaft while being positioned... Agent: Wpat, PC Intellectual Property Attorneys

20100303651 - Vacuum self priming pump: Provided is a vacuum self priming pump. The pump includes an actuating member that is installed in an outlet by a hinge shaft to be capable of rotating and configured to be quickly opened by water pressure when water is discharged through the outlet, an arm that extends from the... Agent: Jae Y. Park

20100303653 - Turbomolecular pump: A turbomolecular pump (10) includes a rotor (18) which is mounted on a housing (12) by at least one roller bearing (16). The roller bearing (16) comprises a non-rotating bearing shell (20) and a rotating bearing shell (22). The non-rotating bearing shell (20) is mounted on the housing (12) by... Agent: Fay Sharpe LLP

20100303654 - Portable,solar rechargeable water pumping system: The instant invention comprises a 12-volt water pumping system that is portable with a 12-volt DC impeller pump powered by a rechargeable 12-volt battery, which is recharged by either a 5-watt or 15-watt or larger solar panel. The 12-volt water pumping system is in a plastic case, which contains the... Agent: EdelsonIPLaw Group, Ltd.

20100303655 - Reciprocating pump: A reciprocating pump including a sleeve comprising a first flow path element and a plunger receivable in the sleeve is provided. The plunger includes a fluid contact face and second flow path element in fluid communication with the fluid contact face. The sleeve and the fluid contact face define a... Agent: Oyen, Wiggs, Green & Mutala LLP 480 - The Station

20100303656 - Metering pump and drive device thereof: A drive device, comprising a housing, a rod, a limiting device, a sliding block, a rotating block, a pair of springs, a pair of first grooves, and a second groove. The rod passes through the sliding block, an axis is disposed on the sliding block, the rotating block is disposed... Agent: Matthias Scholl

20100303657 - Operating method for fluid working machine: A fluid working machine (1) has several working chambers (5) of cyclically changing volume. For pumping hydraulic fluid, the inlet and outlet valves (8, 9) are electrically actuated. The timing of the actuation of said electrically actuated valves (8, 9) is varied depending on the fluid flow demand.... Agent: Mccormick, Paulding & Huber LLP

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


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