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| Number | Title | Issue Date |
| 7294948 | Rotor-stator structure for electrodynamic machines A rotor-stator structure for electrodynamic machinery is disclosed to, among other things, minimize magnetic flux path lengths and to eliminate back-iron for increasing torque and/or efficiency per unit size (or unit weight) and for reducing manufacturing costs. In ... | 11/13/2007 |
| 7291950 | Electric rotating machine for vehicle Reductions in cost and manufacturing processes are achieved by interposing a single metallic terminal between a lead wire of a stator and a three-phase output terminal. A rotor 3 is fixed onto a rotating shaft 2 disposed rotatably in a housing 1... | 11/06/2007 |
| 7291955 | Motor stator teeth with insulators A motor stator in one implementation includes a plurality of teeth disposed in a radial form centered about a predetermined center axis, insulators covering the plurality of teeth, and a plurality of coils provided on each of said plurality of teeth by winding condu... | 11/06/2007 |
| 7291951 | Actuator including intermediate wall An actuator has a housing that accommodates a motor, an output shaft for rotating a lamp unit that radiates light, a drive mechanism portion formed from a transmission gear system for transmitting rotation from the motor to the output shaft, and a control circuit po... | 11/06/2007 |
| 7288868 | Motor generator A motor generator is provided with a stator having a winding around each of a plurality of stator teeth, and a rotor having a plurality of permanent magnets by the number larger than that of the stator teeth, arranged in the circumferential direction at equal interv... | 10/30/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7285893 | Magnetic powder metal component stator A compacted magnetic powder metal component stator for use in an electrical machine is provided. Each stator is comprised of a plurality of stator core assemblies. Each stator core assembly forms an arcuate section of the stator core itself. Each stator core assembl... | 10/23/2007 |
| 7284314 | Method of manufacturing rotor of rotary electric machine In a method of manufacturing a rotor of a rotary electric machine, a rotor core is formed by preparing a material sheet in a form of a belt. The material sheet has teeth extending from a first side of a middle portion of the material sheet and projections projecting... | 10/23/2007 |
| 7282821 | Linear motor, stage apparatus, exposure apparatus, and device manufacturing apparatus In a linear motor, each arrayed coil unit (160) of a stator yoke (151) is divided into an upper coil (161) and lower coil (162). A cooling pipe (153) is interposed between the upper coil (161) and the lower coil (162)... | 10/16/2007 |
| 7281313 | Electric machines and methods related to assembling electric machines A method of assembling an electric machine generally includes heating a housing to thermally expand the housing. The housing is allowed to cool and thermally contract against an end shield and a rotor assembly such that interference fits are formed between the housi... | 10/16/2007 |
| 7282830 | Stator for an electrical machine A stator for an electrical machine is proposed that has a stator winding (45) that is held by a stator core (10) that is formed into an annular shape. The stator core (10) has grooves (14) and teeth (13) on its radially inwardly or... | 10/16/2007 |
| 7279820 | Transversal flux machine A machine with transversal flux comprises a stator and a rotor. Therein, either the stator has a coil arrangement and the rotor is provided with permanent magnet elements, or the rotor may have a coil arrangement and the stator is provided with permanent magnet elem... | 10/09/2007 |
| 7276831 | Split-pole field-match motor An electric motor having a plurality of rotor and stator poles, the poles of one element being alternately polarized and neutralized due to the use of direct current and alternating current windings on each pole. The poles of like current are connected in series, an... | 10/02/2007 |
| 7276832 | Permanent magnet rotary motor There is provided a permanent magnet rotary motor in which manufacture of a stator core is facilitated. The permanent magnet rotary motor includes P rotor magnetic pole sections and N slots. In this permanent magnet rotary motor, a least common multiple LCM (P, N) i... | 10/02/2007 |
| 7270941 | Method of passivating of low dielectric materials in wafer processing A method of passivating silicon-oxide based low-k materials using a supercritical carbon dioxide passivating solution comprising a silylating agent is disclosed. The silylating agent is preferably an organosilicon compound comprising organo-groups with five carbon a... | 09/18/2007 |
| 7270203 | Electric machine for hybrid motor vehicle A power system for a motor vehicle having an internal combustion engine and an electric machine is disclosed. The electric machine has a stator, a permanent magnet rotor, an uncluttered rotor spaced from the permanent magnet rotor, and at least one secondary core as... | 09/18/2007 |
| 7271512 | Stator of outer rotor type motor for drum type washer The present invention provides a stator of an outer rotor motor for a washing machine. The stator includes a ring type helical core, an upper insulator having a shape corresponding to a shape of the helical core to enclose an upper part of the helical core, a lower ... | 09/18/2007 |
| 7271517 | Three-phase alternating current generator A three-phase alternating current generator includes a bowl-shaped flywheel, sixteen permanent magnets provided on an inner circumferential surface of the flywheel, and a stator located in the flywheel. Further, The stator is composed of twelve teeth provided opposi... | 09/18/2007 |
| 7271519 | Laminated body of motor and manufacturing method thereof A laminated body of a motor includes: a yoke spirally laminated to form a hollow cylindrical shape; a plurality of teeth protruding from one side edge of the yoke disposed along a longitudinal direction of the yoke and being separated apart at a predetermined distan... | 09/18/2007 |
| 7271518 | Balancing structure for motor A motor includes a fixed portion, a rotor, and at least one balancing plate fixed on the fixed portion. The fixed portion includes a stator having a plurality of pole plates that extend to form a plurality of pole faces, with a gap being defined between a pair of th... | 09/18/2007 |
| 7268450 | Permanent magnet type generator A permanent magnet type generator includes a rotor having 4n (n is a positive integer) permanent magnet poles disposed in a circumferential direction of the rotor to have circumferential gap between adjoining poles and a stator that has 3n teeth and co... | 09/11/2007 |
| 7268459 | Electric power steering apparatus The electric power steering apparatus includes a brushless motor as an electric motor. The motor has a rotor and a stator 34. The stator 34 includes: a back core BY; a plurality of teeth TS disposed along the circumference of the back core protruding f... | 09/11/2007 |
| 7265472 | Magnetic coils for electrical machines A magnetic coil 32 for an electrical machine is constructed from two sub-conductors 34A, 34B, each in the form of laminae of conducting material such as copper sheet, coated with an insulating material. At one end of the coil, the sub-conductors... | 09/04/2007 |
| 7265537 | Annular sensor housing A sensor device for a shaft of a machine having a machine housing, the shaft having a shaft circumference and the machine housing having a sealed receiving bore. The sensor device includes a sensor for measuring motion parameters of the shaft and a stationary annula... | 09/04/2007 |
| 7265473 | Reduction of core-end losses of dynamoelectric machines by using lower core loss iron silicon punching Electric machines can be improved or uprated to reduce core-end losses using lower core loss material such as high grade iron silicon. A machine uprating entails removing at least a last one of the stacked lamination packages at each end of the stator core, and re-s... | 09/04/2007 |
| 7265464 | Balancing structure for motor A motor includes a fixed portion, a rotor, a balancing plate, and at least one sensor mounted on the fixed portion. The fixed portion includes a stator having at least one winding and a plurality of pole faces. The rotor includes an annular magnet facing the pole fa... | 09/04/2007 |
| 7262537 | Electric motor and generator component having a plurality of windings made from a plurality of individually conductive wires An electric motor or generator assembly includes a component, such as a stator, having a plurality of windings. A wire set including a plurality of individually conductive wires twisted together is manipulated within a core to establish the desired number of winding... | 08/28/2007 |
| 7262534 | Magneto-generator Two end plates of a stator core are made of a metal material to increase their rigidity and thereby hold, in a prescribed shape, generation coils that are wound on teeth of the stator core. To increase the insulation between the generation coils and the teeth, the c... | 08/28/2007 |
| 7262538 | Concentrated winding stator coil for an electric rotary machine A tooth coil of a concentrated winding stator includes a first layer coil arranged by successively winding a flat type wire around a tooth in a direction advancing from a proximal end portion to a distal end portion of the tooth and a second layer coil arranged by s... | 08/28/2007 |
| 7262527 | Stator assembly made from a molded web of core segments and motor using same A plurality of stator segments 20 are linked together by a phase change material 22 enabling simplified winding and higher slot fill. Once wound this continuous structure can be formed into a toroidal core 17 for a stator assembly 40 used... | 08/28/2007 |
| 7262540 | Stator of outer rotor type motor for drum type washing machine The present invention provides an outer rotor type motor for a drum type washing machine to reduce material and weight for fabrication, simplify fabrication process, provide stable assembly of a stator to a fixing side, such as a tub or a bearing housing, prevent un... | 08/28/2007 |
| 7262539 | Saturation control of electric machine The invention includes an electric alternator/motor having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits, one of which includes a saturable portion in which saturat... | 08/28/2007 |
| 7260771 | Internet-based system for multimedia meeting minutes A method for creating multimedia meeting minutes is disclosed. In an embodiment, the method receives notations from a user. As each notation is received, context information is recorded with the notation. The context information is used to select pertinent portions ... | 08/21/2007 |
| 7259493 | Stator of two rotor single stator type electric motor A stator for a two rotor single stator type electric motor is described. The electric motor has inner and outer rotors that are rotated independently within and around a stator upon application of current to the stator. The stator comprises a stator core including a... | 08/21/2007 |
| 7256567 | Permanent-magnet generator with high-power output A high-power permanent-magnet generator in which a stator winding is divided into a first winding part and second winding parts to keep a number of turns less, and capacitors are installed between any different phases to store a current therein to raise a voltage an... | 08/14/2007 |
| 7254995 | Control methodology for a multi-axial wheel fatigue system A testing system and a method for obtaining drive files for the testing system for wheel rim testing, includes providing a wheel assembly in contact with a drum surface, the wheel assembly being rotatable about an axis defining a lateral axis, and wherein a vertical... | 08/14/2007 |
| 7253546 | Electric motor and electric power steering apparatus equipped with the motor An electric motor driven by three-phase electric power includes armature windings that are connected in series, via an armature-winding connecting line, for each of a plurality of groups of three or N circumferentially-adjoining poles to thereby provide three-phase ... | 08/07/2007 |
| 7250700 | Arrangement for protecting an electric machine The object of the invention is an arrangement for an alternating-current machine that can be connected to an inverter and includes windings located in grooves and insulated from the plate core of the machine. According to the invention, an electrically conductive sh... | 07/31/2007 |
| 7245031 | Generator with integrated powerswitch A generator having electronic circuit breakers as circuit breakers, whereby circuits comprising thyristors, IGBT elements and/or GTO thyristors are used, and whereby the circuit breakers are integrated into the generator, preferably in that the circuit breakers are ... | 07/17/2007 |
| 7245055 | Stator of an electrical machine A stator core for an electrical machine and a method for producing the same. Said stator core comprising a core back and a plurality of teeth arranged circumferentially at the core back and extending radially there from. The core back being made of at least one shee... | 07/17/2007 |