| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310194000 | Coil supports and spools | 29 |
| 20080224561 | Electric motor, method for manufacturing electric motor, electromagnetic coil for electric motor, electronic device, and fuel cell equipped apparatus - An electric motor having an electromagnetic coil, wherein the electromagnetic coil has wiring formed by a vapor deposited insulating layer wound on the entire exterior circumference of a conductive substrate. | 09-18-2008 |
| 20080238239 | COIL MEMBER, MOTOR AND MANUFACTURING METHOD FOR COIL MEMBER - A coil member such as a coil bobbin may include a cylindrical drum part around which a coil is to be wound in a circular shape. The cylindrical drum part is formed by two molding dies and a flat face part is formed on an outer peripheral face of the cylindrical drum part so that a space part is formed between an innermost circumferential face of the coil to be wound and the flat face part. The flat face part is formed so that the two molding dies are separated without pressing the outer peripheral face of the cylindrical drum part, and a joining part on the drum part which is formed by the two molding dies is located on the flat face part. The coil member may be only a coil bobbin, a coil bobbin with a terminal part, or a coil bobbin which is integrated with a stator core. | 10-02-2008 |
| 20090026870 | FUSING STRUCTURE OF MOTOR - A fusing structure of a motor, includes a stator and a rotor, wherein the bus ring includes a ring portion and a fusing hook, and the bobbin includes a first engagement portion for changing a direction of an end portion of the wire extending from the coil so as to supply the coil with the power and a second engagement portion guiding the end portion of the wire and formed in a different length from that of the first engagement portion in the radial direction of the motor, the end portion of the wire is held between the first engagement portion and the second engagement portion so as to incline therebetween and held between the opposing surfaces so as to establish an electrical connection with the bus ring. | 01-29-2009 |
| 20090079288 | MOTOR WINDING BOBBIN AND TERMINAL STRUCTURE THEREOF - A motor winding bobbin and terminal structure there are disclosed. The terminal structure includes a fixing portion and at least one positioning portion. The fixing portion is disposed at one end of the terminal structure and has at least one fixing pattern. The fixing portion is connected with a connecting end of the motor winding structure. The positioning portion is disposed adjacent to the fixing portion and urged against the motor winding structure for positioning the fixing portion while it is connected with the connecting end. | 03-26-2009 |
| 20090236926 | Rotor for rotating electrical machine and method of manufacturing same - In a rotor for a rotating electrical machine, a flange of an insulating bobbin is formed with a first hook portion and a second hook portion. The first hook portion directs a lead of a field coil both against the winding direction of the field coil and radially inward. The first hook portion has a first groove in which is hooked a proximal portion of the lead. The second hook portion directs the lead axially outward. The second hook portion has a second groove which has an open end on a radially inner periphery of the second hook portion, a closed end positioned radially outward of the open end, and a neck between the open and closed ends. The second hook portion has an intermediate portion of the lead hooked in the second groove between the neck and closed end of the second groove. | 09-24-2009 |
| 20090278418 | BOBBIN FOR STATOR OF MOTOR - A bobbin includes a bobbin body, two top sidewalls, two bottom sidewalls, four top tabs and four bottom tabs. The bobbin body includes a top surface formed at one end of the bobbin body, a bottom surface formed at an opposite end of the bobbin body and a side surface located between the top surface and the bottom surface. The top sidewalls extend radially outward from the top surface of the bobbin body. The bottom sidewalls extend radially outward from the bottom surface of the bobbin body. The bottom sidewalls are staggered so that there is no overlap area between the top sidewall and the bottom sidewall along an axial direction of the bobbin body. Four top tabs extend away from the top surface at a position where there is no top sidewall. Four bottom tabs extend away from the bottom at a position where there is no bottom sidewall. | 11-12-2009 |
| 20090315425 | SUPERCONDUCTING COIL SUPPORT STRUCTURES - Support structures ( | 12-24-2009 |
| 20100072852 | DYNAMOELECTRIC ROTOR - Each of first and second pole cores has a boss portion, six core flange portions; and six claw-shaped magnetic pole portions, the first and second pole cores being disposed such that the claw-shaped magnetic pole portions face each other so as to intermesh and leading end surfaces of the boss portions are abutted with each other. The boss portions include coil mount portions in which cross-sectional shapes that are perpendicular to the central axis are hexagons; and abutted portions that have circular cross sections and that are disposed so as to protrude from leading ends of the coil mount portions. Radially-inner surfaces of the claw-shaped magnetic pole portions face side surfaces of the coil mount portions and are parallel to the side surfaces of the coil mount portions at the cross sections that are perpendicular to the central axis. | 03-25-2010 |
| 20100096942 | Rotor or a stator for a superconducting electrical machine - A rotor (or a stator) for a superconducting electrical machine includes a mounting that is maintained at substantially ambient temperature during operation of the electrical machine and a field coil support structure. A plurality of superconducting field coils are maintained at cryogenic temperatures during operation of the electrical machine and are supported by the field coil support structure. At least one coupling element is used to fix the field coil support structure to the mounting. The field coil support structure is preferably fixed to the mounting by a plurality of substantially circumferentially extending coupling elements at a first and second axial end of the field coil support structure and the mounting such that the mounting and field coil support structure are substantially separated over their axial lengths by a vacuum gap. | 04-22-2010 |
| 20100133943 | TORQUE SUPPORT MEMBER FOR ROTATING ELECTRICAL MACHINE - A support module is provided for use in a rotor assembly of a rotating machine. The support module is disposed on the rotor body, supports high temperature superconductor rotor windings within the rotor assembly, and thermally decouples the cold portions of the rotor assembly, including windings and support tube, from the ambient temperature rotor body and drive shaft. The support module includes a frame disposed on the rotor body, a support block connected to the rotor winding and suspended within the frame, and thermally non-conductive straps extending from each of a pair of opposed sides of the support block to the frame, the straps suspending the support block within the frame. | 06-03-2010 |
| 20100164317 | AUTOMOTIVE ALTERNATING-CURRENT GENERATOR - An automotive generator that includes a Lundell rotor. First and second protruding portions are disposed so as to project from inner wall surfaces of portions of first and second yoke portions at root portions of first and second claw-shaped magnetic pole portions, and first and second recess portions are recessed into inner wall surfaces of portions of the first and second yoke portions that face the second and first protruding portions. In addition, a shape of a region in which the field coil is disposed is configured into a wave shape that has a cross-sectional shape in a plane that includes a central axis of the pole core that is approximately constant in a circumferential direction and that zigzags alternately in an axial direction at positions of each of the first and second claw-shaped magnetic pole portions. | 07-01-2010 |
| 20100201218 | TERMINAL ELEMENT, MOTOR WINDING STRUCTURE AND METHOD FOR MANUFACTURING MOTOR WINDING STRUCTURE - A terminal element, a motor winding structure and a manufacturing method are disclosed. The terminal element includes a fixing portion, a positioning portion and a buffering portion. The fixing portion is disposed at one end of the terminal element and has a serrate fixing pattern. The fixing portion is connected with a connecting position of the motor winding bobbin. The positioning portion is disposed adjacent to the fixing portion and urged against the motor winding structure for positioning the fixing portion while it is connected with the connecting position. The buffering portion has a first bending and a second bending, and the first bending is connected to positioning portion. The buffering portion absorbs the force applied to the terminal element. | 08-12-2010 |
| 20100320860 | CROWNED END WINDING SUPPORT FOR MAIN WOUND FIELD OF A GENERATOR - An end turn support for a generator includes a wire support. The wire support extends along an axis in a radial direction from an axis of rotation. The wire support defines an arcuate wire receipt surface. | 12-23-2010 |
| 20100320861 | DYNAMOELECTRIC MACHINE - An interfitting groove is disposed in a bottom portion of a trough portion so as to have a groove direction that is axial and so as to extend axially outward from axially inside, and a rotation arresting portion housing recess portion is recessed into an axially inner opening edge portion of the interfitting groove on a first yoke portion. A magnet holding seat that holds a permanent magnet is disposed in the trough portion by an interfitting portion being fitted into the interfitting groove such that radial movement is restricted. A rotation arresting portion that is disposed so as to project axially outward from a flange portion of the bobbin is housed inside a space that is constituted by the rotation arresting portion housing recess portion and an external shape reduced portion that extends axially inward from the interfitting groove such that rotation of the bobbin around the shaft is restricted. | 12-23-2010 |
| 20110127874 | ROTOR HAVING A SUPERCONDUCTING ROTOR WINDING AND AN INTEGRAL SLEEVE SURROUNDING THE ROTOR WINDING - A rotor for an electrical machine, in particular a synchronous machine has a rotor axis which defines a rotor shaft. The rotor has a winding support which is arranged on the rotor shaft such that they rotate together, in such a way that it surrounds the rotor shaft in a centre section with respect to the rotor axis. The winding support is fitted with a superconducting rotor winding. The rotor has a sleeve which at least radially surrounds the winding support and the rotor winding with respect to the rotor axis. At least in the area, in which it radially surrounds the winding support and the superconducting rotor winding, the sleeve is formed integrally from a metal alloy, which is non-magnetic, has an electrical conductivity of at least 60% of the electrical conductivity of copper at 20° C., has a mechanical tensile strength of at least 250 N/mm | 06-02-2011 |
| 20120068569 | Dynamoelectric machine - The invention relates to a dynamoelectric machine, comprising the following components or features:
| 03-22-2012 |
| 20120223608 | WINDING OVERHANG SUPPORT OF AN ELECTRICAL MACHINE - The winding overhang of the rotor of an electrical machine is subject to strong centrifugal forces during operation, especially when the machines run at high speed. The winding overhang support prevents the production of relative movements between the winding overhang and the rotor base. These movements result in strong mechanical stresses on the winding bars. The winding overhang support includes an inner ring and an outer ring between which the winding bars are arranged in the region of the winding overhang, the outer ring being shrunk on the inner ring and both the outer ring and the inner ring being interspaced from the lamination stack. | 09-06-2012 |
| 20120235532 | APPARATUS TO SUPPORT SUPERCONDUCTING WINDINGS IN A ROTOR OF AN ELECTROMOTIVE MACHINE - An apparatus (structure) is provided to support a superconductor winding ( | 09-20-2012 |
| 20130002083 | ROTOR OR A STATOR FOR A SUPERCONDUCTING ELECTRICAL MACHINE - A rotor (or a stator) for a superconducting electrical machine includes a mounting that is maintained at substantially ambient temperature during operation of the electrical machine and a field coil support structure. A plurality of superconducting field coils are maintained at cryogenic temperatures during operation of the electrical machine and are supported by the field coil support structure. A plurality of coupling elements are used to fix the field coil support structure to the mounting. The coupling elements can be linear struts and carry substantially of the torque that is experienced during operation of the electrical machine. | 01-03-2013 |
| 20130038166 | ROTATING ELECTRICAL MACHINE - A rotating electric machine includes a rotor, having a rotor laminate stack extending in the direction of a machine axis and having a rotor winding, the rotor winding forming a winding head at each of the ends of the rotor laminate stack, said winding head being fastened to a winding head rim, which is arranged concentrically within the winding head and adjoins the rotor laminate stack in the axial direction, in order to intercept centrifugal forces by means of bolts passing radially through the winding head, and a fastening designed to safely absorb axial expansions of the winding head. Simple and secure fastening is achieved by virtue of the bolts being fastened to the winding head rim in each case on a T-shaped hammer profile, which extends in the axial direction and is mounted in axially movable fashion in an associated axial T-shaped slot in the winding head rim. | 02-14-2013 |
| 20130038167 | ROTATING ELECTRICAL MACHINE - A rotating electric machine, e.g. hydrogenerator, includes a rotor, including a rotor laminate stack extending in a machine axis direction and having a rotor winding which forms a winding head at each of the ends of the rotor laminate stack. The winding head is fastened to a winding head rim, which is arranged concentrically within the winding head and adjoins the rotor laminate stack in the axial direction, to intercept centrifugal forces by bolts passing radially through the winding head, and a fastening designed to safely absorb axial expansions of the winding head. Simple and secure fastening is achieved by the bolts being fastened to the winding head rim in each case on a T-shaped hammer profile, which extends axially and is mounted, axially movable, in a T-shaped groove in the winding head rim, additional couplers are provided that transmit axial expansions of the winding head onto the hammer profile. | 02-14-2013 |
| 20130214634 | AUTOMOTIVE ROTARY ELECTRIC MACHINE AND STATOR MANUFACTURING METHOD THAT IS USED THEREFOR - The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that slot-housed portions line up in single columns in a clot depth direction inside slots, and radial widths of return portions of the winding assemblies that are mounted so as to be stacked in a radial direction are made sequentially narrower in order of return portions of a winding assembly that is positioned centrally, return portions of a winding assembly that is positioned on an inner circumferential side, and return portions of a winding assembly that is positioned on an outer circumferential side. | 08-22-2013 |
| 20130241341 | COIL BOBBIN FOR BRUSHLESS ALTERNATOR - A coil bobbin for a brushless alternator includes an integrally formed one piece bobbin body that has a first end, a second end and a central passage that extends from the first end to the second end. A coil support portion of the body is positioned at the first end and has a first cylinder of a first diameter bordered by flanges which extend past the first cylinder. A base portion of the body is positioned at the second end. A bobbin extension portion is positioned between the coil support portion and the base portion. The bobbin extension portion includes a second cylinder of a second diameter which is smaller than the first diameter. | 09-19-2013 |
| 20130293053 | POLE PIECE AND YOKE CONNECTION FOR DC MOTOR - A motor including a rotor and a field frame is provided. The field frame comprises a generally annular yoke, a plurality of generally arcuately spaced apart pole pieces extending from the yoke, and a winding extending at least in part about the pole pieces. The yoke includes a plurality of pole piece connection locations. Each of the pole pieces is associated with a corresponding one of the connection locations. The pole pieces and the yoke are connected at the pole piece connection locations in an interlocking manner. | 11-07-2013 |
| 20130300245 | WINDING ASSEMBLY FOR AN ELECTRIC GENERATOR AND MOTOR ROTOR AND METHOD OF MAINTAINING POSITION OF A WINDING ASSEMBLY - A winding assembly for an electric generator includes a stator core having a relatively cylindrical inner shape. Also included is a rotor core coaxially rotatable within the stator core, wherein the rotor core includes an input shaft. Further included is a rotor winding support structure on the rotor core and comprising a surface disposed at an angle relative to the input shaft and extending radially outward from the input shaft toward the stator core. Yet further included is a rotor winding bundle disposed along, and supported by, the surface of the rotor winding support structure. | 11-14-2013 |
| 20140035423 | CONSTRUCTION OF ELECTRIC MACHINES - An improvement in apparatus and methods of making electrical machines, utilizing a combination of additive manufacturing techniques to create, in particular, small, high efficiency stators, but also useful for making complex rotor structures. | 02-06-2014 |
| 20140339947 | Multi-Piece Stator For An Electric Motor - A multi-piece stator includes a pole cluster, a flux ring, and an insulation member. A rotor cavity is located at a center of the pole cluster, and multiple flux poles extend radially outward from the rotor cavity in a circumferential arrangement. The pole cluster includes a flux impedance feature between each of the multiple flux poles, and multiple bridge features maintaining the arrangement of the flux poles. The flux ring includes a ring wall having a minimum wall thickness and a pole cluster cavity defined by the ring wall. The insulation member has a shape corresponding substantially to a shape of the pole cluster and is located to effectively cover an outside surface of the flux poles. The pole cluster, the insulation member, and a field generation coil wrapped around a portion of the insulation member and a portion of the pole cluster are inserted into the pole cluster cavity. | 11-20-2014 |
| 20150028711 | Rotor for a Rotating Electric Machine - A rotor for a rotating electric machine includes a plurality of pole teeth supporting an excitation winding, grooves respectively formed between the pole teeth, and wedges provided in the grooves, each wedge having a concave shape with a bulge oriented towards the inside of the rotor. | 01-29-2015 |
| 20160380501 | END WINDING SUPPORT FOR AN ELECTRIC GENERATOR - An end winding support for an electric generator includes a pair of winding lead supports formed on opposite sides of a winding slot and separated by an upper slot width. Each of the winding lead supports includes a winding channel routed between a lead coupling port and the winding slot. The winding slot includes a base support and a pair of alignment members that define a transition between the base support and the winding lead supports. A lower slot width is defined along the base support between the alignment members and a ratio of the upper slot width to the lower slot width is between 1.024 and 1.053. | 12-29-2016 |
