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    Conformal heat pipe assemblies
    33.
    发明授权
    Conformal heat pipe assemblies 有权

    公开(公告)号：US11122715B2

    公开(公告)日：2021-09-14

    申请号：US16203161

    申请日：2018-11-28

    Applicant: General Electric Company

    Inventor： Karthik Bodla ,  Nathaniel Benedict Hawes ,  Brian Magann Rush ,  Weijun Yin ,  Andrew Thomas Cross

    IPC: H02K9/20 ,  H05K7/20 ,  F28D15/02 ,  F28D15/04 ,  H01F27/18

    Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.

    Insulation systems and methods of depositing insulation systems
    34.
    发明授权
    Insulation systems and methods of depositing insulation systems 有权

    公开(公告)号：US10968529B2

    公开(公告)日：2021-04-06

    申请号：US16402929

    申请日：2019-05-03

    Applicant: General Electric Company

    Inventor： Weijun Yin ,  Anil Raj Duggal ,  Ravisekhar Nadimpalli Raju

    IPC: C25D13/12 ,  H01L23/495 ,  H01L23/29 ,  H05K3/10 ,  H01L21/56 ,  H05K1/11 ,  H05K1/18

    Abstract: This present disclosure generally relates to systems and methods of electrophoretic deposition (EPD) techniques for use in insulation systems at least partially encapsulating a semiconductor device, a conductive component and a substrate, such as insulation systems of semiconductor devices, busbars, or the like. Insulation systems formed using EPD processes may be designed to have a dielectric constant that decreases in a direction away from a substrate of the insulation system. This may improve insulation technologies since depositing coatings with sequentially arranged dielectric constants may improve resistance of the insulation system to high temperature, high electric fields, or the like.

    Insulation for conductors
    36.
    发明授权
    Insulation for conductors 有权

    公开(公告)号：US10763005B2

    公开(公告)日：2020-09-01

    申请号：US16404381

    申请日：2019-05-06

    Applicant: General Electric Company

    Inventor： Christopher Celebrese ,  Lili Zhang ,  Wei Zhang ,  Anil Duggal ,  Weijun Yin

    IPC: H01B3/04 ,  B32B19/04 ,  H01B13/06 ,  H01B3/30 ,  H01B13/08

    Abstract: An insulative assembly includes an insulative mica-based carrier film and first and second resistive grading layers joined to opposite sides of the mica-based carrier film. The first resistive material layer is configured to engage one or more conductors and insulate the one or more conductors from at least one other conductor. A method for creating an insulative assembly for one or more conductors includes obtaining an insulative mica-based carrier film, depositing a first resistive grading layer on a first side of the mica-based carrier film, and depositing a second resistive grading layer on an opposite, second first side of the mica-based carrier film.

    ELECTRICALLY INSULATING, THERMALLY CONDUCTIVE COATINGS FOR ELECTRICAL SYSTEMS AND DEPOSITION METHODS THEREOF
    37.
    发明申请
    ELECTRICALLY INSULATING, THERMALLY CONDUCTIVE COATINGS FOR ELECTRICAL SYSTEMS AND DEPOSITION METHODS THEREOF 审中-公开

    公开(公告)号：US20200091791A1

    公开(公告)日：2020-03-19

    申请号：US16691211

    申请日：2019-11-21

    Applicant: General Electric Company

    Inventor： Weijun Yin ,  Anil Raj Duggal

    IPC: H02K3/34 ,  H02K3/30 ,  C09D5/44 ,  C09D7/61 ,  H02K1/04 ,  H02K15/12 ,  C09D201/00

    Abstract: An electric machine includes a rotor assembly having a rotor core that extends in an axial direction and a stator assembly surrounding and coaxial with the rotor assembly. The stator assembly includes a stator core having slots extending in a radial direction into an inner surface of the stator core and extending axially from a first end surface to a second end surface of the stator core. The stator assembly includes stator coil windings disposed within the respective slots of the stator core and a first electrically insulating conformal coating disposed between the stator core and the stator coil windings. The conformal coating includes a polymer matrix impregnated with an effective amount of thermally conductive ceramic materials, above a percolation threshold, that form continuous thermal pathways across a thickness of the first coating.

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