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| Number | Title | Issue Date |
| 8110954 | Electric rotating machine The electric rotating machine is provided with an intermediate plate having a power circuit connection portion that is connected with an outgoing lead drawn out from a power circuit unit and an armature winding connection portion that is connected with the power cir... | 02/07/2012 |
| 8106547 | Rotary electric machine for vehicles A rotary electric machine for vehicles is provided, which includes a rotor, a stator disposed opposed to the rotor, a frame made of aluminum and supporting the rotor and the stator, and a rectifier secured to an outer end face of the frame and having low-loss elemen... | 01/31/2012 |
| 8022585 | In-vehicle AC generator having an enclosed regulator holding unit There is provided an in-vehicle AC generator having a regulator assembly that is mounted in the bracket of the AC generator. The regulator holding unit provided in the regulator assembly has a containing portion in which at least the whole periphery of an opening is... | 09/20/2011 |
| 7999425 | Controller-integrated rotating electric machine Assembly of a controller-integrated rotating electric machine is facilitated. In a controller-integrated rotating electric machine provided with a rotating electric machine unit having a rotor (2), a stator (3), and brackets (4, 5); a plurality ... | 08/16/2011 |
| 7989996 | Five-phase generator The invention relates to a five-phase electric generator (1), in particular for a motor vehicle, said generator comprising five electric branches (12) for five different phases, the latter being electrically connected at interconnection points (14 | 08/02/2011 |
| 7989997 | Control device for electrically operated power steering system A control device for an electrically operated power steering system includes: a power substrate comprising a plurality of switching elements, that converts DC electrical current to AC electrical current by switching operation of the plurality of switching elements; ... | 08/02/2011 |
| 7977833 | Diode lead support shell A shell that mechanically supports the diode lead wires against movement both during assembly and subsequent operation of the rotor shaft. In addition, the present invention relates to a method for retaining diode lead wires in a power generator rotor by using the s... | 07/12/2011 |
| 7973438 | AC generator for vehicles AC generator for vehicles is provided with a frame that supports a rotor and a stator, a rectifier that rectifies an output of the stator and has an output terminal, and a rear cover that covers electric parts including the rectifier. The rear cover is provided with... | 07/05/2011 |
| 7965003 | Motor drive system for railway vehicle A motor drive system 10-1 for a railway vehicle is capable of reducing the weight of wiring, electromagnetic noise, and manufacturing cost. The motor drive system includes an inverter 11. The inverter is configured to control a motor 13- | 06/21/2011 |
| 7960880 | Automotive electric motor-generator with radial plates and circuit boards disposed in a fan shape in a common plane around shaft of rotor The present invention provides an automotive electric motor-generator that can achieve sufficient cooling of a radiating plate by ensuring a sufficient cooling airflow ventilation channel within limited axial or radial dimensions. In the present invention, fi... | 06/14/2011 |
| 7948127 | Connection method for rotating rectifiers on a generator An annular bus ring assembly for connecting main rotor windings of a generator to the exciter diodes includes a plurality of annular bus rings with tabs bent over forming plurality of pads mounted on either side of a dielectric hub. The pads of annular bus rings clo... | 05/24/2011 |
| 7944100 | Generator rectifier assembly with ease of assembly features A rectifier assembly includes first and second housings surrounding a pair of electrical rings. Each of the electrical rings communicates with a pin. Bolts secure a spring to hold diodes against an inner wall of the electrical rings. The first housing includes openi... | 05/17/2011 |
| 7902701 | Automotive alternator A positive-side heatsink and a negative-side heatsink that constitute a rectifier are disposed inside a case at a rear end of a rotor so as to be separated axially such that front surfaces of a positive-side base portion and a negative-side base portion face each ot... | 03/08/2011 |
| 7876006 | Alternator for vehicle An alternator has a rectifier converting an alternating current to a direct current. The rectifier has a heat sink and rectifying elements. The sink has front and rear surfaces opposite to each other along a depth direction. The sink has holes each extending along t... | 01/25/2011 |
| 7872384 | Shaft cover structure for use in an exciter A shaft cover structure for use in an exciter is provided. The shaft cover structure comprises at least two sections located about a selected portion of a rotatable shaft. The sections are positioned such that adjacent circumferential ends of the at least two sectio... | 01/18/2011 |
| 7868494 | Rectifier assembly A rotating rectifier includes diode subassemblies that each have an AC contact between two diodes, held in place by a spring clip or interference fit between an inner DC bus and an outer DC bus. The outer DC bus can also act as a housing and heat sink. Diodes and re... | 01/11/2011 |
| 7859147 | Electronic module for rotating electrical machine An electronic module for a rotary electrical machine which applies to any type of polyphase rotary electrical machine, synchronous or asynchronous, such as alternators or alternator starters, and also whether it is a case of electrical machines for motor vehicles an... | 12/28/2010 |
| 7855480 | Rectifier device for automotive alternator An AC generator, referred to as an alternator, is mounted on an automotive vehicle for supplying electric power to an on-board battery and other electric loads. The alternator includes a rectifier device for rectifying alternating current to direct current. The rect... | 12/21/2010 |
| 7851954 | Vehicle drive device A vehicle drive device includes a motor generator (MG2), a power control unit controlling the motor generator (MG2), and a case housing the motor generator (MG2) and the power control unit. The power control unit includes a first inverter drivin... | 12/14/2010 |
| 7851953 | Generator for vehicle A generator has a rotor boss engaged with a crankshaft with a rotor core engaged with the outer circumference of the rotor boss. A stator core is provided around the outer circumference of the rotor core with a bus ring opposed to one end surface of the rotor core. ... | 12/14/2010 |
| 7839032 | Automotive alternator having rectifier device An automotive alternator mounted on a vehicle for generating electric power includes front and rear frames, a cylindrical stator and a rotor. The cylindrical stator is contained in the frames, and the rotor is rotatably supported in the cylindrical stator. A rectifi... | 11/23/2010 |
| 7791231 | Alternator stator assembly structure The alternator stator assembly structure with outwardly extending wire is disclosed. The alternator stator assembly structure includes a stator, a rotor, a rectifier and a plurality of connecting components. The stator includes a plurality of conducting wires extend... | 09/07/2010 |
| 7768164 | Heat pipe device for cooling a voltage regulator of a rotating electric machine, such as an alternator or an alternator-starter A heat pipe device (6) for cooling a voltage regulator (2) of a rotating electric machine. The heat pipe device (6) comprises an evaporating part (7) situated respectively in a hot zone and connected to the voltage regulator (2) of... | 08/03/2010 |
| 7763997 | Heat sink for electronic components of a rotating electric machine A dissipator for discharging heat from electronic components, the electronic components being intended for the functioning of a rotary electrical machine, the rotary electrical machine comprising a rear bearing, the dissipator comprising a top face and a bottom face... | 07/27/2010 |
| 7759830 | Alternating current generator with improved frame structure In an alternating-current generator, an end wall of a frame is provided with a plurality of fin supports separately arranged on the outer surface of the end wall. The cooling fin is mounted on the plurality of fin supports. The end wall is provided with a plurality ... | 07/20/2010 |
| 7741742 | Alternator A vehicular alternator is provided which can suppress the vibration of a circuit board. The vehicular alternator has a rectifier that includes a plurality of diodes forming a full-wave rectifier circuit, a pair of negative and positive terminal side heat sinks that ... | 06/22/2010 |
| 7732958 | Turbogenerator A rotating shaft is required to have an overhang for the mounting of a generator for an AC-exciter, the shaft length being increased correspondingly. The overhang may become the cause of generating shaft vibrations. A turbogenerator has a rotor over which a field wi... | 06/08/2010 |
| 7723876 | Automotive alternator A positive-side heatsink and a negative-side heatsink that constitute a rectifier are disposed inside a case at a rear end of a rotor so as to be separated axially such that front surfaces of a positive-side base portion and a negative-side base portion face each ot... | 05/25/2010 |
| 7696659 | Alternator for vehicle An alternator for a vehicle has a rotor with a field wiring, a stator with a three-phase stator wiring, a regulator, and a rectifier. The regulator and rectifier are disposed away from each other with the rotor between. An alternating current is generated in the sta... | 04/13/2010 |
| 7652400 | Automotive alternator A regulator assembly mounting threaded aperture is formed on an inner wall surface of a rear bracket, and a receiving recess portion is recessed into an inner wall surface of the rear bracket around the regulator assembly mounting threaded aperture. A regulator asse... | 01/26/2010 |
| 7638910 | Electric rotating machine The invention provides an electric rotating machine comprising: an electric rotating machine section provided with a rotor including a rotary shaft and a stator including an armature winding that is disposed so as to surround the rotor; and a switching circuit secti... | 12/29/2009 |
| 7629719 | AC generator for vehicles According to an AC generator for vehicles of the present invention, a terminal mount includes an L-shaped support having a radial extension, in which a metal terminal is contained and which radially extends about a rotary shaft of a rotor, and an axial extension, wh... | 12/08/2009 |
| 7612474 | Rectifier assembly with enhanced air cooling An alternator rectifier assembly includes a rigid load bearing bushing intermediate a stator terminal board and a positive heat sink, wherein a minimum separation distance between the stator terminal board and the positive heat sink is defined by the bushing. The re... | 11/03/2009 |
| 7605502 | Automotive alternator with rectifier having high-strength heat sinks A rectifier of an automotive alternator includes a heat sink that has fitting holes, in each of which one rectifying element is fitted, and a major surface on which the fitting holes open. The heat sink also has substantially annular ribs, each of which is formed on... | 10/20/2009 |
| 7592723 | Vehicular electric rotary machine A vehicular electric rotary machine of a heat pipe cooling type is disclosed including heat pipe means 14, 14A, 15, 15B, associated with a cooling fin 51, 52 and a rear end wall 122 of a rear frame 12, which have regions exposed to... | 09/22/2009 |
| 7592724 | Rectifier for automotive alternator In a rectifier for an automotive alternator, each of the rectifying elements includes a semiconductor chip and a lead electrode that connects the semiconductor chip to a corresponding one of terminals. The lead electrode has a joining portion joined to a second surf... | 09/22/2009 |
| 7586224 | Rotating rectifier assembly A rectifier assembly includes individual diodes arranged to form a full-wave bridge such that the silicon wafers of the diodes are loaded in compression. As so arranged, the centrifugal forces add to the compression forces on the diodes and on the electrical contact... | 09/08/2009 |
| 7557477 | Electric machine with integrated power electronics and method for producing the bond of the DC bars with the DC contacts surfaces of the power semiconductor of the power electronics The proposed electric machine with integrated power electronics is modularly constructed, it being possibly prefabricated and separately to install the parts stator carrier (2), control (10) for the power semiconductor DC+ (4), DC bars (5... | 07/07/2009 |
| 7541703 | Rotary electric machine In a rotary electric machine having a rotary electric machine part and a switching circuit part for performing current control of this rotary electric machine part and a heat-dissipating device for cooling multiple switching devices constituting this switching circu... | 06/02/2009 |
| 7535135 | Brushless electric motor and instrument for a medical apparatus A brushless electric motor which has a rotor magnet, a coil apparatus for electromagnetically driving the rotor magnet, a rotor shaft for transmitting a rotary movement, which is firmly connected to the rotor magnet and runs through a rotation axis of the rotor magn... | 05/19/2009 |
