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| Number | Title | Issue Date |
| 8177528 | Rotary positive displacement pump with magnetic coupling having integrated cooling system A rotary positive displacement pump for liquid medium having a main pumping mechanism driven by a magnetic coupling is disclosed. The positive displacement pump includes an integrated, positive displacement, circulating pump configured to provide a controlled medium... | 05/15/2012 |
| 8162627 | Integrated-inverter electric compressor An integrated-inverter electric compressor is provided, in which a change of the combination of weld plating layers provided on weld surfaces of an electrical connection terminal of an inverter can be allowed for easily. In an integrated-inverter electric compressor... | 04/24/2012 |
| 8162626 | Motor-driven compressor A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit, a connecting terminal and a housing assembly. The compression mechanism, the electric motor, and the motor drive circuit are disposed along the axial dir... | 04/24/2012 |
| 8157544 | Motor driven supercharger with motor/generator cooling efficacy A motor stator (24) has a stator iron core (24a), a stator winding (24b), and a mold member (30) embedding them in an inner portion and having a high coefficient of thermal conductivity. The mold member (30) has a hea... | 04/17/2012 |
| 8147219 | Motor direct driven compressor system A motor direct driven compressor system includes a motor, a coupling and a compressor, and the coupling is coupled between the motor and the compressor, and a second assembling portion, a coupling portion and a metal plate of the coupling are used for connecting a d... | 04/03/2012 |
| 8133040 | Fuel pump and method of manufacturing the same A fuel pump includes a case member defining a fuel passage and a discharge-side cover connected to the case member and defining an outlet port. A pump section has an inlet port and is connected to the case member. A motor section is housed in the case member for dri... | 03/13/2012 |
| 8113799 | Oil-free centrifugal blade compressor and magnetic-gas bearing thereof A magnetic-gas bearing disposed in a compressor is provided. The magnetic-gas bearing includes an axis, multiple magnetic elements, multiple magnetic coils and a static pressure gas restrictor. The magnetic elements encircle the axis, and each magnetic element has t... | 02/14/2012 |
| 8075285 | Electrohydraulic aggregate with a compact construction An electrohydraulic aggregate for converting electric energy into mechanical energy, comprising an electric motor with a stator and with a rotor, comprising magnets or electric windings that produce electromagnetic fields, at least one connecting component for conne... | 12/13/2011 |
| 8011902 | Drive control device of fuel pump A drive control device of a fuel pump for sucking fuel in a fuel tank supplying the fuel to an internal combustion engine, and using a motor with a brush as a drive source thereof. The drive control device includes a starting current reduction control device that st... | 09/06/2011 |
| 8007255 | Inverter-integrated electric compressor with inverter storage box arrangement An inverter-integrated electric compressor enhances vibration resistance of an inverter apparatus integrated with a housing without degrading cooling performance, reduction in weight, or the ease of assembly of the inverter apparatus. An inverter-integrated electric... | 08/30/2011 |
| 7959418 | Mounting structure and motor compressor having the same A mounting structure has a base member, a mounted member and a plurality of C-shaped retainer rings. The base member has an opening. The mounted member is fitted to the opening. The plurality of C-shaped retainer rings is fitted to the base member for preventing the... | 06/14/2011 |
| 7914266 | Submersible pumping system and method for boosting subsea production flow A booster pumping system is disclosed for producing hydrocarbons from a subsea production well. The booster pumping system includes: (1) a submersible pump hydraulically connected to the production well to provide energy to the hydrocarbon flow and boost production ... | 03/29/2011 |
| 7866957 | Hermetic compressor A hermetic compressor has a bipolar permanent magnet motor where permanent magnet is disposed in rotor core. A hollow bore is disposed at the end on the compressing element side of the rotor core, and main bearing extends into the bore. The thickness of the rotor co... | 01/11/2011 |
| 7815422 | Liquid discharging device The liquid discharging device includes a driving mechanism that drives a needle, a measurement plunger member and an inlet valve member that are concentrically-arranged inside a container. The driving mechanism includes: a piezoelectric-element support plate to whic... | 10/19/2010 |
| 7559752 | Dual-shaft vacuum pump A two-shaft vacuum pump has a simplified drive motor. The two-shaft vacuum pump has a synchronous motor as a drive motor which motor rotor is permanently excited. Permanently excited motor rotors are sufficiently small and of light weight such that rotor supporting ... | 07/14/2009 |
| 7448858 | Pump aggregate A pump aggregate A comprises a one-piece cast hollow body 1 including an exterior connection block 3 and an interior lateral wall 16 of a bearing shield. A pressure transmission path is formed by a channel K which is made by casting in the later... | 11/11/2008 |
| 7442017 | Displacement type compressor having a self-start synchronous motor and start load reducing means In order to make a displacement type compressor be able to reliably start without increasing an outside diameter dimension of the compressor while using a self-start synchronous motor having high energy efficiency, the displacement type compressor according to the i... | 10/28/2008 |
| 7422423 | Refrigerant compressor, and refrigerating machine using the same A refrigerant compressor includes a compressor section, driver, a first contact section and a second contact section. The compressor section is accommodated in a closed container for compressing refrigerant gas. The driver drives the compressor section. The first an... | 09/09/2008 |
| 7418948 | Fuel pump having motor arrangement and pump arrangement A stator core of a motor arrangement includes six cores, which are arranged one after another in a circumferential direction. A bobbin, which is made of dielectric resin, is fitted to each core. Each coil is formed such that a winding is wound around the bobbin thro... | 09/02/2008 |
| 7413413 | System and method to reduce acoustic noise in screw compressors A system is provided for attenuating tonal acoustic noise associated with a single positive displacement compressor, or multiple positive displacement compressors proximately located from each other. A controller selectably controls the rotational speed and the freq... | 08/19/2008 |
| 7371056 | Fluid pump, cooling system and electrical appliance A fluid pump includes a case including a pump chamber, a reserve tank for storing spare liquid and located in the case but outside the pump chamber and formed so that a space independent of the pump chamber is defined by the reserve tank, a fluid path forming member... | 05/13/2008 |
| 7367787 | Pumping unit for a liquid medium A pumping unit is provided with a pump that is partially disposed in a stator of an electric motor. The rotor is at an opposite end from the pump and is connected to the pump shaft to drive it for fluid flow. The pump shaft can be positioned in a central bore of the... | 05/06/2008 |
| 7361170 | Device, system, kit or method for collecting effluent from an individual The present invention relates to a device, method, system and kit for receiving effluent from an individual. In an alternative embodiment, the present invention is directed to a device, method, system and kit for collecting effluent from an individual during a medic... | 04/22/2008 |
| 7356951 | Inflatable dancing toy with music An inflatable toy may include a housing, a balloon-like structure, a blower mechanism, a drive mechanism, and a motor. The balloon-like structure may include a base, an inflatable portion, and an inlet. The base and the inflatable portion may define an air storage a... | 04/15/2008 |
| 7354117 | Liquid pressure control unit In a liquid pressure control unit, a positive terminal of a power supply block is connected to a positive terminal of a motor block through a penetrating hole of a pump block. The power supply block is connected with the pump block, which serves as a power supply pa... | 04/08/2008 |
| 7351043 | Horizontal compressor end cap A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a plurality of apertures. The hermetic terminal body of the compressor is seala... | 04/01/2008 |
| 7352111 | Electroactive polymer pumping system An electroactive polymer pump having an electroactive polymer mass forming a channel between an inlet and an outlet and an electrical distribution system in operational connection with the electroactive polymer mass for selectively energizing sections of the electro... | 04/01/2008 |
| 7339299 | Electric actuator and motor used therein A motor comprises a rotor fixed to a shaft and a stator comprising a permanent magnet on the inner circumferential surface of a motor casing. The shaft extends from the opening end of the motor casing and has a worm wheel in a gear casing. The end face of the gear c... | 03/04/2008 |
| 7334543 | Coolant pump, especially electric convection-cooled coolant pump with integrated directional control valve, and corresponding method A coolant pump and method thereof for a coolant circuit of the internal combustion engine of a motor vehicle including at least a radiator circuit and a bypass circuit is disclosed. The coolant pump contains a coolant pump housing (14) which is provided with ... | 02/26/2008 |
| 7334515 | Roller bearing and pump including same A roller bearing including a plurality of rollers which are provided between an outer circumferential surface of an inner member and an inner circumferential surface of an outer member; and a substantially cylindrical roller holder which has a plurality of pockets h... | 02/26/2008 |
| 7323961 | Electromagnetic machine with a deformable membrane An electromagnetic machine with a deformable membrane (1) includes at least one fixed part which can direct a magnetic flow interacting with at least one moveable part (12) having regions which are magnetically polarized in order to ensure that alterna... | 01/29/2008 |
| 7314040 | Fuel supply apparatus In a fuel supply apparatus, a circuit module has a housing, a driving circuit contained in the housing, an electric connector. The circuit module is mounted to a cover member that is disposed to close an opening of a fuel tank. A fuel pump is supported by the cover ... | 01/01/2008 |
| 7311501 | Scroll compressor with bifurcated flow pattern A scroll compressor includes various features that promote a bifurcated flow pattern of gas through a compressor shell to reduce oil entrainment. After entering the shell, some gas travels upward, which reduces the volume of gas traveling downward toward an oil sump... | 12/25/2007 |
| 7299815 | Micropump check valve device and method of manufacturing the same A micropump check valve device which can be designed thin with good assemblability and applied with urging force. The micropump check valve device includes an upstream side member having a small-bore hole for passing therethrough a fluid, a downstream side member ha... | 11/27/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 7273358 | Air pump An air pump includes a body being composed of two semi-housings. A sleeve is received in an opening at a top of the body. A rim is formed at a top of the sleeve and an annular recess is defined at a bottom of the sleeve. By fasteners through the rim, the sleeve is s... | 09/25/2007 |
| 7264453 | Horizontal scroll compressor having a connecting passage on the opposite side of a suction port for connecting a motor accommodating chamber with a suction chamber A motor accommodating chamber accommodates an electric motor such that a rotation axis of the motor is substantially horizontal. The pressure in the motor accommodating chamber is equal to the pressure in a suction chamber. A connecting passage connects a bottom por... | 09/04/2007 |
| 7265994 | Underfill film for printed wiring assemblies A self supported underfill film (18) adhesively bonds surface mount integrated circuit packages (14) to a printed circuit board (10). The printed circuit board has conductive traces (12) and exposed conductive pads (13) on the surf... | 09/04/2007 |
| 7261524 | Rotation support with improved thrust-bearing for rotors of pump electric motors A rotation support has improved thrust-bearing for rotors of electric motors of synchronous pumps. The rotation sup: a stator of the electric motor, in which a hollow body is housed for supporting and containing a permanent magnet rotor, an impeller being kinematica... | 08/28/2007 |
| 7252178 | Acoustic fluid machine An acoustic fluid machine such as an air compressor comprises an acoustic resonator, a valve device and a piston. Air is sucked into the resonator through the valve device at one end of the resonator. The piston at the other end of the resonator is reciprocated by a... | 08/07/2007 |
