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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8164229 | Armature for rotating electrical machine and manufacturing method thereof An armature for a rotating electrical machine, the armature includes a cylindrical core having a plurality of longitudinally extending slots that are dispersedly arranged in a circumferential direction; and coils wound around the slots, wherein each of the slots is ... | 04/24/2012 |
| 8134268 | Wound field electrical machine flat braided wire main rotor crossover assembly A high speed aircraft generator may utilize a prefabricated crossover subassembly to interconnect field coils. The crossover may include two attachment leads interconnected with a section of braided wire. The braided wire may remain free of brazing filler metal afte... | 03/13/2012 |
| 8106558 | Three-phase magneto generator and transport apparatus A plurality of permanent magnets are provided at a rotor at equal angular intervals. A plurality of magneto coils are provided at a stator at unequal angular intervals. The number of the plurality of magneto coils is not a multiple of three. The plurality of magneto... | 01/31/2012 |
| 8089192 | Three-phase square-wave permanent magnet brushless DC motor This invention relates to a three-phase square-wave permanent magnet brushless DC motor for solving problems of the existing square-wave permanent Magnet Motor and sine-wave permanent magnet motor. In this invention, the number 2P of magnetic poles on the said rotor... | 01/03/2012 |
| 8076813 | Hermetic motors with windings coupled to on-winding motor protectors via welded terminals A hermetic motor includes a stator having at least one winding formed by a winding wire, and an on-winding motor protector having at least one contact. To improve the reliability and reduce the cost of the hermetic motor, the winding wire is directly coupled (withou... | 12/13/2011 |
| 8076814 | Brushless high-frequency alternator and excitation method for DC, single-phase and multi-phase AC power-frequency generation A method is disclosed for arranging and exciting the stator, rotor and various windings of a multi-stage brushless high frequency alternator so that the resulting multiple high frequency sub-phase armature winding outputs can be rectified and commutated into desired... | 12/13/2011 |
| 8072112 | Motor, stator, and method for manufacturing stator A stator having a stator core and coils is disclosed. The stator core includes split core pieces each having a tooth portion. The split core pieces are arranged annularly such that the distal ends of the tooth portions face radially inward. A lead wire is continuous... | 12/06/2011 |
| 8072166 | Brushless motor The brushless motor has a first and second drive member. The first drive member is equipped with M phase coil groups each having N electromagnetic coils where M is an integer of 1 or greater and N is an integer of 1 or greater. The second drive member has a pluralit... | 12/06/2011 |
| 8040085 | Brushless motor apparatus A brushless motor apparatus includes a fixedly arranged stator 14, a rotor 12 rotated in a manner sequentially excited by a plurality of excitation patterns, a magnetic-pole-position detecting magnet 16 fixed to the rotor and having twice the nu... | 10/18/2011 |
| 8022588 | Single-phase 2-pole electric motor in which main windings and auxiliary windings are mutually offset by other than 90 degrees and mounted in different size slots It is an object to obtain a highly efficient and low-cost single-phase motor by producing the motor in a form that allows a proper material layout, with securing a magnetic path of a coreback of a stator iron core. A stator iron core 1 formed by laminating a ... | 09/20/2011 |
| 8022589 | Brushless motor Teeth of a stator core are arranged one after another in the circumferential direction at alternating first and second pitches. Each corresponding adjacent two of the teeth, which are spaced from each other by the first pitch, are wound with corresponding two, respe... | 09/20/2011 |
| 7977840 | Stator winding for a slotless motor A stator winding for a slotless motor is formed by winding a magnet wire 22 into a single layer coil 24. The coil 24 is deformed e.g., by pressing, to form a double layer web 26 which is rolled up end to end to form a cylindrical stator w... | 07/12/2011 |
| 7969058 | Permanent magnet motor with stator having asymmetric slots for reducing torque ripple Permanent magnet motors with improved torque ripple and methods for designing the same have been provided. The permanent magnet motor can include a stator having a hollow core and defining a plurality of slots; a winding disposed in each of the slots; a rotor rotata... | 06/28/2011 |
| 7965011 | Brushless DC motor structure with a constant ratio of magnetic rotor poles to stator slots A brushless DC motor structure with a constant ratio of multiple rotor poles to slots of the stator is disclosed, which is characterized primarily by forming the stator of the motor by multiple ferromagnetic silicon steel sheets, where the ferromagnetic silicon stee... | 06/21/2011 |
| 7952250 | Rotary electric machine with coil member and method of manufacturing coil member In a rotary electric machine, a field coil member includes a first edgewise coil composed of a plurality of coaxially layered convolutions. The coaxially layered convolutions are wound around the outer periphery of the first pole core. The field coil member includes... | 05/31/2011 |
| 7944109 | Stator of motor having an insulator with lead out guide portions A stator of a motor is provided with a stator core having a plurality of teeth and a plurality of windings wound around teeth of the stator core. The stator also has an insulator that is provided with a plurality of lead-out guide portions that enable lead-out wires... | 05/17/2011 |
| 7939984 | Lamination having tapered tooth geometry which is suitable for use in electric motor An electric motor has a stator, and a rotor disposed within the stator. The stator has a set of stator laminations and a set of windings held in position by the set of stator laminations. The rotor is arranged to rotate about an axis. The set of stator laminations i... | 05/10/2011 |
| 7928623 | Generator with high phase order An apparatus for producing electrical power from mechanical power, includes a generator with a rotor and a stator for conversion of mechanical power to a polyphase alternating current having more than three phases. The stator has a stator core with a cylindrical sta... | 04/19/2011 |
| 7928624 | Electric motor The present invention relates to an electric motor and to a method for manufacturing an electric motor. The electric motor comprises at least a stator (24), a rotor (25) and an air gap (26) between these, in which motor the stator and/or rotor c... | 04/19/2011 |
| 7923883 | Stator The present invention provides a stator coiled in a spiral, capable of mechanically inserting a wound coil in the slot of a stator core. In a stator in which coils are overlapped in a spiral when viewed from the end surface of the stator core after each of one sides... | 04/12/2011 |
| 7893587 | Brushless DC electric motor The brushless DC electric motor comprises, a rotor including a shaft and a permanent magnet fixed on said rotor shaft, stator including a winding in the shape of a hollow cylinder and composed of a plurality of rhombic single coils made of flat wire. Th... | 02/22/2011 |
| 7888836 | DC motor with improved wiring connections A direct current motor including a rotor, a stator, a brush holder, and a brush. The rotor includes a core, a plurality of commutator segments, and a plurality of segment coils. The core has a plurality of teeth arranged along a circumferential direction of the roto... | 02/15/2011 |
| 7843102 | Electrical machine The invention relates to an electrical machine, in particular to a motor or a generator, comprising at least a stator (30a, 30b), a plurality of winding teeth (32a, b) arranged on the circumference of the at least one stator... | 11/30/2010 |
| 7816832 | Direct drive for large-scale drives The invention relates to a direct drive for large-scale drives, comprising a stator (1) which is configured, when seen from the peripheral direction, by a plurality of segments (3, 4, 5, 6), each having a self-contained winding arrangement, and a rotor... | 10/19/2010 |
| 7808145 | Armature in rotary electric device and its manufacturing method An armature where at least one of a first winding wire and a second winding wire is wound around slots that are opposed to all magnetic poles serving as a same magnetic pole in a predetermined winding direction so as to correspond to a predetermined winding number a... | 10/05/2010 |
| 7804217 | Rotary electric machine with coil member and method of manufacturing coil member In a rotary electric machine, a field coil member includes a first edgewise coil composed of a plurality of coaxially layered convolutions. The coaxially layered convolutions are wound around the outer periphery of the first pole core. The field coil member includes... | 09/28/2010 |
| 7795773 | Electric actuator According to one embodiment, an electric actuator is provided comprising windings constructed from a conductive core of high magnetic permeability material surrounded by an electrical insulator. The conductive core simultaneously carries an electric current and a ma... | 09/14/2010 |
| 7791241 | Permanent magnet type three-phase AC generator A permanent magnet type three-phase ac generator includes a stator having 3n (n is an integer) teeth and a tree-phase armature winding and a rotor having 4n magnetic poles each of which has a permanent magnet. The three-phase winding includes 3n coils each of which ... | 09/07/2010 |
| 7755241 | Electrical machine The invention relates to an electrical machine, in particular to a motor or a generator, comprising at least a stator (30a, 30b), a plurality of winding teeth (32a, b) arranged on the circumference of the at least one stator... | 07/13/2010 |
| 7750525 | Electric rotating machine An electric rotating machine comprising a stator core having a plurality of slots that are equally spaced on the inner surface of the stator core in the peripheral direction, a rotor that rotates inside the stator core, and an armature winding that is applied to eac... | 07/06/2010 |
| 7709990 | Power wrench The present invention relates to a power-wrench comprising an electrical converter-fed motor having a permanent-magnetized rotor and a stator provided with winding, the motor winding (1) comprising at least two winding parts, which independently of each other... | 05/04/2010 |
| 7705506 | Rotary electric machine and stator coil rotary electric machines In a rotary electric machine, a first group of first and second sets of three-phase windings of a stator coil is disposed in part of substantially circumferentially spaced slots of a stator core, and a second group of third and fourth sets of three-phase windings of... | 04/27/2010 |
| 7701103 | Electric motor An electric motor (10) is an in-wheel motor. The motor (10) includes an outer rotor, (302), an inner rotor (301), a stator (200), and a shaft-shaped central portion (100). The outer rotor includes a magnet (305b | 04/20/2010 |
| 7701101 | Alternator assembly The stator (24) of a permanent magnet axial flux alternator comprises two annular stator components which are each wound with a respective two phase winding arrangement (48). Each of the two phase winding arrangements (48) is wound so that there... | 04/20/2010 |
| 7701102 | Electric motor stator An electric motor stator has a stator core and a plurality of windings wound around teeth of the stator core. Each of the windings has two tooth winding portions with a crossover wire extending therebetween. Each of the windings starts from a neutral wire and winds ... | 04/20/2010 |
| 7687960 | Pigtailed stator windings for electrical generator A modified armature winding for a stator of an electrical generator having a pigtail shape to promote cooling of the stator. At least one turn of the windings is extended outside the circumferential periphery of the stator, preferably forming a loop. An electrical s... | 03/30/2010 |
| 7683516 | Production method for rotating electric machine and stator coils, and electric power steering motor A stator of a rotating electric machine includes a stator core, and multiphase stator coils incorporated in the stator core. The stator core is formed by connecting a plurality of split core pieces. Each of the stator coils is wound around a coil bobbin installed on... | 03/23/2010 |
| 7646127 | Winding for three phase motor In a stator of a motor, a first winding of each coil is arranged around three teeth next to one another and a second winding of each coil is arranged around three teeth with a tooth which is arranged at an end of the three teeth for the first winding at a center the... | 01/12/2010 |
| 7622843 | Terminals and connections between multi-set segmented hairpin windings An electric machine is disclosed herein comprising a core with a plurality of slots, the core including an insertion side and an opposing side. A winding arrangement is provided in the plurality of slots of the core. The winding arrangement is comprised of a plurali... | 11/24/2009 |
| 7622842 | Rotary electric machine and stator for rotary electric machines In a rotary electric machine, output ends of first and second three-phase windings of first and second sets included in a first group are separated from those of third and fourth three-phase windings of third and fourth sets included in a second group. Each of the f... | 11/24/2009 |
