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| Number | Title | Issue Date |
| 8179013 | Stator for dynamoelectric machine and method of manufacturing same A stator for a dynamoelectric machine includes a stator core and a stator coil. The stator coil is made up of wave-shaped electric wires mounted on the stator core. Each of the electric wires has in-slot portions, each of which is received in one of slots of the sta... | 05/15/2012 |
| 8159105 | Segment-core type stator for inner-rotor type rotary electric machines and an improved method for manufacturing the stator When accommodating a cage stator coil in a stator core made up of distributed cores, an end side distributed core composing end side core at an end side in axial direction is made larger than a central side distributed core composing central side core. The cage stat... | 04/17/2012 |
| 7923885 | Stator for rotary electric machine, and rotary electric machine using the stator A stator for a multiple-phase rotary electric machine provided a stator core with slots and a coil formed of a plurality of windings for individual phases. Each winding has slot-accommodated portions held in different slots, turn portions connecting the slot-accommo... | 04/12/2011 |
| 7605515 | Variable reluctance dynamo-electric rotary machine provided with united magnetic, electric and polarising circuits and method for production thereof A monophase transverse circuit has two rows of cylindrical air gaps which are provided with conductors between terminal pairs, the terminal pairs are rotated at a quarter turn in order, a coil in the form of a flat double U-shaped arch remains global having conseque... | 10/20/2009 |
| 7432625 | Armature of motor An armature for use in a motor has a plurality of teeth, a plurality of slots and coils of three kinds of phases. A plurality of the slots is formed between the coadjacent teeth. The coils of three phases are wound around the teeth. The armature has a coil structure... | 10/07/2008 |
| 7432626 | Dynamoelectric machine having reduced magnetic noise and method An automotive alternator including a rotor having a plurality of poles; a plurality of phases in operable communication with the plurality of poles; and a stator core in operable communication with the rotor, the stator having a number of slots defined by: ... | 10/07/2008 |
| 7375449 | Optimized modular electrical machine using permanent magnets An electrical machine having a magnet assembly with a magnet carrier ring with an even number of permanent magnets mounted in the carrier ring around a circular locus, and a conductor assembly with one or more conductor circuits wound in a double helix wave winding ... | 05/20/2008 |
| 7367113 | Method for fabricating a transformer integrated with a semiconductor structure A substrate is provided and a top interconnection metal layer and a primary winding layer are formed thereon. Then a passivation layer having a plurality of via exposed parts of the top interconnection metal layer is formed on the substrate. A secondary winding laye... | 05/06/2008 |
| 7367106 | Method of assembling a dynamo-electric machine component Stator designs have wide-mouth slots between adjacent poles. Wire coils with high slot fill conductivity are formed around the poles. In some designs, the wire coils are wave wound around the poles. Thick bar conductors can be used for making the wire coils. The wir... | 05/06/2008 |
| 7365467 | Low noise stator winding having a phase angle shift A stator for an electric machine includes a generally cylindrically-shaped stator core having a plurality of core teeth that define a plurality of core slots, the core slots extend between first and second ends of the stator core. A stator winding has a plurality of... | 04/29/2008 |
| 7348700 | Automotive alternator having water shield for protecting brushes from water damage An automotive alternator according to the present invention includes a rotary shaft, slip rings, a brush holder, brushes, a cover, a seal member, a cooling air flow path, and a water shield. The slip rings are fixed to an end portion of the rotary shaft. The brushes... | 03/25/2008 |
| 7345395 | Motor stator core with skewed slots and production process therefor In a motor stator, teeth radially project from an annular stator core, and a plurality of slots formed between adjacent teeth are skewed. Phase windings alternately pass through slots having different skew directions, wherein the length of bridging portions, which d... | 03/18/2008 |
| 7342340 | Alternator with identical conductor segments In an automotive alternator according to the present invention, conductor segments of an inner winding portion and conductor segments of an outer winding portion have substantially the same shape. ... | 03/11/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 7281312 | Method and apparatus for introducing wave windings into rotor and stator lamination packets of electrical machines A method and apparatus in which wave windings, cut from a continuously formed wave winding band, are brought with a defined number of waves essentially tangentially to a rotor or stator lamination packet or a rotorlike transfer tool having radially outwardly open sl... | 10/16/2007 |
| 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 |
| 7268455 | 4-layer type of stator winding formed of sequentially connected segments located in respective slot pairs, and method of manufacture thereof A phase winding of a stator winding comprises one or more pairs of interconnected partial coil, each partial coil formed of sequentially connected U-shaped segment pairs, each pair comprising a large segment and small segment. Two segment legs, of the large and smal... | 09/11/2007 |
| 7242124 | Sequentially joined-segment coil for rotary electrical machine A polyphase sequentially joined-segment coil of a rotary electric machine and a production method thereof are provided. The coil is made up of a plurality of conductor segments joined in series. Each of the conductor segments a head projecting from a stator core, a ... | 07/10/2007 |
| 7235891 | Power system having generator driven by engine An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ... | 06/26/2007 |
| 7235906 | Magnetic bearing using displacement winding techniques The present invention provides a linear, rotary spherical motor with an integrated magnetic bearing. The motor can be a toothless permanent magnet, BLDC design composed of a permanent magnet rotor and a Zigzag stator winding containing at least two-phase windings, w... | 06/26/2007 |
| 7170211 | Stator winding having transitions A stator for an electric machine includes a generally cylindrically-shaped stator core having a plurality of circumferentially spaced core slots. A stator winding includes a plurality of phases, each including at least a first filar and a second filar extending circ... | 01/30/2007 |
| 7158022 | Automated diagnoses and prediction in a physical security surveillance system An invention that automatically reports and collects security surveillance problems, device diagnostics and device state information from cameras and security detection equipment. Devices may be attached to a network or attached through a device controller on a netw... | 01/02/2007 |
| 7143506 | Rotary electric machine and method for manufacturing the same A method for manufacturing rotary electric machine that has a stator winding to provide a stator winding that has a plurality of conductors wound one over another. The conductors are wound with left and right ends. Therefore, the stator winding on the stator core ha... | 12/05/2006 |
| 7091644 | Sequentially joined-segment armature and ac machine using same A sequentially joined segment armature coil is provided which may be employed in an ac machine such as an ac motor or motor generator. The armature coil is equipped with three phase coils each of which is made up of a first and a second phase windings identical in n... | 08/15/2006 |
| 7088026 | Stator arrangement of rotary electric machine In a stator of a rotary electric machine that includes a stator winding and a stator core having a plurality of slots, the stator winding is constituted of a plurality of series-connected regular U-shaped segments each of which has a pair of in-slot portions and a p... | 08/08/2006 |
| 7084541 | Stator coil made of joined conductor segments for rotary electric machinery and method for manufacturing the same A stator core that includes electrical insulation between a small conductor segment and large conductor segment which forms stator coils inserted into slots of the stator core of a driving motor for a automobile vehicle. The axial length of the curved head of the sm... | 08/01/2006 |
| 7067949 | Rotary electric machine An X-phase winding phase portion, a Y-phase winding phase portion, and a Z-phase winding phase portion constituting a three-phase stator winding are each constructed by zigzag-connecting winding phase sub-portions having a phase difference corresponding to an electr... | 06/27/2006 |
| 7045924 | Bobbinless high-density armature having no substrate, and rotor using the same A miniaturized rotor is provided for improving the efficiency of an engine by using a bobbinless high-density armature without using a substrate which interferes with magnetic force. ... | 05/16/2006 |
| 6995492 | Electric rotary machine equipped with stator coil consisting of sequentially connected conductor segments Three partial coils are accommodated in inphase slots arranged successively in the circumferential direction and also accommodated in the same conductor accommodation position set. Each layer coil is constituted by serially connecting these partial coils. Respective... | 02/07/2006 |
| 6965183 | Architecture for electric machine The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be us... | 11/15/2005 |
| 6960857 | Stator for an alternator and method for the manufacture thereof A stator winding is provided with three distributed winding phase portions each constructed by installing a conductor wire in every third slot. Slot-housed portions of the conductor wires are formed with a rectangular cross section and coil end portions are formed w... | 11/01/2005 |
| 6956314 | Alternator In an automotive alternator according to the present invention, a curved portion for adjusting a height of a joining portion coil end of an inner winding portion and a height of a joining portion coil end of an outer winding portion so as to be generally equal, and ... | 10/18/2005 |
| 6949857 | Stator of a rotary electric machine having stacked core teeth A stator of a rotary electric machine having secured core slot insulators includes a multi-phase stator winding, having a plurality of slot segments that are adapted to be radially inserted into a plurality of circumferentially spaced axially-extending core slots in... | 09/27/2005 |
| 6943477 | Stator of rotary electric machine and method for making the same A rotary electric machine has a stator core and a winding. The winding has a plurality or sub-winding sets which are mounted on the stator in the order. Each of the sub-winding sets has a plurality of phase windings. Each of the phase windings is made of a continuou... | 09/13/2005 |
| 6940202 | Electrical machine having a stator winding with a plurality of filars A stator for an electric machine includes a generally cylindrically-shaped stator core having a plurality of circumferentially spaced core slots. A stator winding includes a plurality of phases, each including a plurality of filars, each filar extending circumferent... | 09/06/2005 |
| 6936948 | Electric machine having an integrally continuous stator winding and stator slot bridges The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first winding and inductively coupled to the first winding, which may be us... | 08/30/2005 |
| 6930426 | Alternator stator having a multiple filar construction to improve convective cooling A stator for a dynamoelectric machine improves the cooling of the stator winding without increasing the size of the stator winding or the entire stator. The stator is of a unique construction wherein the size, and more specifically the cross sectional area or volume... | 08/16/2005 |
| 6926588 | Band coil The invention relates to a method of manufacturing a band coil by means of a material-removing process performed on the coils so as to obtain a band coil which has a profile in the direction of the coil axis. Such a process may be a discharge process, an etching pro... | 08/09/2005 |
| 6906479 | Gas turbine engine starter generator with multiple windings on each exciter stator pole A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that has its stator windings divided into a number of sections. A plurality of switches are electrically coupled to the exciter stator winding sections and are configured and c... | 06/14/2005 |
| 6891304 | Brush DC motors and AC commutator motor structures with concentrated windings Structures of direct current motors or ac commutator (Universal) motors which use a concentrated winding on the rotor with coils wound around the teeth. The number of commutator segments is higher than the number of rotor teeth. Several coils are wound around the sa... | 05/10/2005 |