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| Number | Title | Issue Date |
| 8188626 | Controller-integrated electric rotating machine There is obtained a controller-integrated electric rotating machine that is superior in terms of a cooling effect. In a controller-integrated electric rotating machine provided with a stator 3 configured with an iron core 3B and a stator winding... | 05/29/2012 |
| 8164226 | Radiator for power generator coil A radiator for power generator coil, which is composed of a housing, a front cover, a rotating axle, a plurality of fan blades and a coil disk; wherein the coil disk is provided interiorly with a coil set, and provided at the periphery with flanges; the peripheral w... | 04/24/2012 |
| 8129877 | Arrangement for cooling of an electrical machine In one aspect, an arrangement for cooling of an electrical machine is provided. A rotor and a stator include an air-gap arranged between the rotor and the stator. The rotor and the stator include a circulation arrangement to allow the circulation of air for cooling-... | 03/06/2012 |
| 8097992 | Electric compressor The present invention has an object to provide an integrated electric compressor further downsized. An inverter control apparatus comprises: a power board 16 converting a direct current supplied from a high voltage power supply to an alternating current and a... | 01/17/2012 |
| 8080909 | Cooling system and method for an electric motor An electric motor which has a separate end cap heat exchanger, through which a liquid coolant is passed, is disclosed. In one example embodiment, the electric motor is a traction motor or motor-generator in a hybrid electric vehicle having an internal combustion eng... | 12/20/2011 |
| 8026644 | Electric propulsion system useful in jet-type model airplanes and UAVS A power plant for a jet-type model airplanes and UAVs includes an electric motor and a cover. The cover receives a portion of the electric motor and a sleeve into which the electric motor is inserted. The sleeve has a plurality of fins to dissipate heat and create o... | 09/27/2011 |
| 7973437 | Transmission unit The invention relates to a transmission for a motor vehicle with a transmission housing, with an electrical actuator for the actuation of the transmission and with an electrical control device for the control of the actuator. The transmission has a heat sink device ... | 07/05/2011 |
| 7960879 | Heat bridge between accessory casing and airplane engine accessory box An airplane engine accessory box carrying an electrical machine such as an alternator, having a rotor that is guided in rotation in a bearing carried by a support part made of a material having a low coefficient of thermal expansion, itself carried by a stator cover... | 06/14/2011 |
| 7952242 | Rotary electric machine integrated with control device A rotary electric machine integrated with a control device includes stator current switching circuit sections, each of which has a switching element disposed on a heat sink; a field current switching circuit section; a control circuit section which controls the stat... | 05/31/2011 |
| 7952243 | Device for cooling an electrical machine and electrical machine having such a cooling device The invention relates to a device (1) for cooling an electrical machine, in particular an electric motor, the electrical machine having a stator (3) with a stator core (31) and a rotor (4) having a rotor core (41) resting on a roto... | 05/31/2011 |
| 7948126 | Liquid cooling system of an electric machine Disclosed is a liquid cooling system for an electric machine including a frame heat conductively attachable to a stator of an electric machine. The liquid cooling system further includes a cover mechanically attached to the frame and fluidly sealed to the frame, the... | 05/24/2011 |
| 7880348 | Method of installing a permanent magnet motor in a cooling tower and a shroud used in connection therewith A method comprises providing a motor with a stator comprising a plurality of laminations stacked side to side to form a contiguous stator core with each of the laminations having a plurality of radial fins projecting outward from a periphery of the lamination, and a... | 02/01/2011 |
| 7872382 | Regulator unit and generator A regulator unit, in particular for varying an exciter current, preferably for generators of motor vehicles, is proposed, having a housing (13), in which the housing (13) has a wiper contact mounting region (16) with a guide (19) and wipe... | 01/18/2011 |
| 7812487 | Controller for a direct current brushless motor Taught herein is a controller for a DC brushless motor comprising a control board (3) and a housing (4); wherein the control board (3) is disposed in the housing (4), and the housing (4) is made of metal materials with good thermal... | 10/12/2010 |
| 7795765 | Automotive alternator A circuit board heatsink 60 for cooling a regulator circuit board has a flat base portion 61. Fifteen fins 62 are respectively disposed so as to project vertically from a first surface of the base portion and are arranged so as to be parallel to... | 09/14/2010 |
| 7701106 | Electric submersible pumps A downhole electric motor for a submersible pump has at least three phases and comprises a permanent magnet rotor and a stator bearing phase windings A, B and C in slots (2206) in the stator. Each phase winding A, B, C incorporates a coil extending through a ... | 04/20/2010 |
| 7687945 | Method and system for cooling a motor or motor enclosure A method and system of cooling an enclosure or motor is disclosed. An exemplary permanent magnet electric motor is formed with an external stator and an internal rotor. The motor controller is in thermal proximity to the motor but is thermally isolated from the moto... | 03/30/2010 |
| 7629717 | Totally-enclosed fan-cooled motor In a totally-enclosed fan-cooled motor wherein a drive side of a rotation shaft and a side opposite to the drive side are held by means of bearings and so that drive power would be transmitted from the drive side of the rotation shaft with which a rotor is formed in... | 12/08/2009 |
| 7626293 | Motor having control circuit member A first heat releasing member, which is made from a metal plate material, is fitted into a circuit receiving recess, which receives a control circuit member. A second heat releasing member, which is made from a metal plate material and includes a resilient contact p... | 12/01/2009 |
| 7619333 | Vehicle alternator with improved operation reliability A vehicle alternator is disclosed having a stator, a rotor, a frame surrounding the stator and the rotor, a bowl-shaped end cover mounted on the frame and defining an electric component-part compartment, a brush unit held in sliding contact with slip rings of a rota... | 11/17/2009 |
| 7586222 | Voltage controller for alternator of vehicle A voltage controller has a control circuit and a heat radiating member attached to the circuit. The circuit controls a voltage of electric power generated in an alternator of a vehicle while generating heat. The member has a first surface and a second surface. The s... | 09/08/2009 |
| 7569957 | Heating element cooling structure and drive device having the cooling structure A heat generating member cooling structure in which a coolant space is formed between a heat releasing surface that is thermally connected to a heat generating member and an opposing surface that is positioned opposite the heat releasing surface, includes a pluralit... | 08/04/2009 |
| 7567000 | Motor A motor includes a heat dissipating structure. The motor may be used for a fan and includes on an upper surface of a circuit board a heat dissipating layer. The heat dissipating layer has a high thermal conductivity. The fan also includes a coil provided on the teet... | 07/28/2009 |
| 7560838 | Generator for an engine A generator housing (1) of an engine generator is connected to a gearbox casing (17) via a cover plate (23) that bears the rotor shaft (5). The cover plate has a two-piece design and includes a bearing retainer ring (13) for a roto... | 07/14/2009 |
| 7554227 | Heat-dissipating device for motor base A motor includes a base having a fixing seat, an axial tube mounted to the fixing seat, a rotor mounted to the axial tube, and a circuit board mounted to the base and including a stator and at least one heat-generating component. The base includes at least one slot.... | 06/30/2009 |
| 7482719 | Vehicle AC generator having cooling fins of voltage regulator protruding to positions external to a housing which covers a main body of the voltage regulator In a vehicle AC generator having a housing that covers a voltage regulator equipped with external cooling fins, and a cooling fan which rotates with the generator rotor to draw external air through the interior of the housing, an aperture is formed in the housing at... | 01/27/2009 |
| 7462965 | Brushless motor A brushless motor has a stator, a rotor and a circuit board for controlling rotation of the rotor. The stator has iron cores and coils wound around the iron cores. Switching elements for turning on and off electric power to be supplied to the coils for the stator ar... | 12/09/2008 |
| 7443066 | Methods and apparatus for cooling wind turbine generators A wind turbine generator includes a stator having a core and a plurality of stator windings circumferentially spaced about a generator longitudinal axis. A rotor is rotatable about the generator longitudinal axis, and the rotor includes a plurality of magnetic eleme... | 10/28/2008 |
| 7443064 | Permanent-magnet generator having protrusions for dissipating heat A permanent-magnet generator includes a flywheel having a ringlike portion and a bottom portion which closes off one end of the ringlike portion and a plurality of protrusions bulging inward from the bottom portion of the flywheel. An irregular surface portion is fo... | 10/28/2008 |
| 7405505 | Rotary electric machine A rotary electric machine includes a frame; a stator whose stator-slot number Ns is 12; a rotor whose rotor-pole number Np is 8, the rotor being disposed inside the stator. The frame has a frame thickness T(θ) at mechanical angle θ, with respect to a reference lin... | 07/29/2008 |
| 7397154 | Spray cooled motor system A spray cooled motor system with a motor housing with an interior and an exterior, a stator mounted within the interior of the motor housing, a rotor mounted within the interior of the motor housing, a coil winding mounted within the interior of the motor housing, a... | 07/08/2008 |
| 7378766 | Rotating electrical machine, such as an alternator, particularly for an automobile The invention relates to a rotating electrical machine, provided with a stator, a cooling device comprising at least one fan that initiates a coolant flow in order to cool and evacuate, to the outside, the heat produced in the machine comprising at least one heat pi... | 05/27/2008 |
| 7372182 | Axial gap alternator associated with a flywheel An axial gap alternator comprises a first carrier associated with or secured to an output shaft of an internal combustion engine. A first carrier carries a first set of magnets arranged radially about a rotational axis. A second carrier carries a second set of magne... | 05/13/2008 |
| 7368842 | Armature windings and dynamo-electric machine using the same An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. The strands belonging to a strand group on one side of a central strand gr... | 05/06/2008 |
| 7367926 | Exercise treadmill A new and improved exercise treadmill may include a frame having a first end and a second end, wherein the second end is parallel to the first end. Two sidewalls interconnect the first and second end. The treadmill may further comprise a motor in order to drive a be... | 05/06/2008 |
| 7368837 | Drive guide device The present invention provides a drive guide apparatus capable of ensuring an increased lifetime by preventing heat generated from a primary side of a linear motor from being transferred to a rail or a moving member of a guide mechanism to which the primary side of ... | 05/06/2008 |
| 7368839 | Slip ring end frame The slip ring end (SRE) frame is an SRE frame of popular small dimension designed to allow available larger rectifier assemblies having larger heat sinks to be fitted into the SRE frame, thus providing increased heat dissipation capability. Two flattened frame mount... | 05/06/2008 |
| 7365462 | Alternator directly connected to engine An alternator is composed of a frame, a rotor rotatably supported in the frame, a stator contained in the frame outside the rotor and other associated components. A front end of the alternator is directly mounted on a mounting surface of an engine having a fairly la... | 04/29/2008 |
| 7362019 | Vehicle alternator A vehicle alternator for generating electric power has a stator, a rotor, a rectifier, a regulator case, and a cooling fin part. A stator winding is wound on the stator. The rotor is placed on opposite faces to the stator. The rectifier rectifies an alternating curr... | 04/22/2008 |
| 7362016 | Belt drive system with outer rotor motor An outer rotor motor having a tubular shaft for maximum motor cooling effect. Coolant may flow through coolant channels of the shaft and the motor in various configurations to carry away the heat. A thermally conductive component may be inserted into the hollow shaf... | 04/22/2008 |
