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    Electric machine with liquid cooled coils and stator core
    4.
    发明授权
    Electric machine with liquid cooled coils and stator core 有权

    公开(公告)号：US11336132B2

    公开(公告)日：2022-05-17

    申请号：US17493041

    申请日：2021-10-04

    Applicant: EVR MOTORS LTD

    Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

    IPC: H02K1/20 ,  H02K5/18 ,  H02K3/52

    Abstract: An electric machine includes a rotor configured to rotate about an axis of rotation, a stator having a stator core and a plurality of teeth annularly arranged on the stator core about the axis of rotation, a plurality of electromagnetic coils, and a base plate. Each coil of the plurality of electromagnetic coils may be mounted on a separate tooth of the plurality of teeth. The base plate may be located adjacent to the plurality of electromagnetic coils and the stator core. The base plate may have a first side and an opposing second side. The first side may be in thermal contact with the plurality of electromagnetic coils and the stator core. A liquid-coolant channel may be defined on the second side of the base plate such that as the coils and the stator core heats during operation, the base plate is configured to transfer the heat to a liquid coolant in the liquid-coolant channel to dissipate heat from the plurality of electromagnetic coils and the stator core.

    METHOD OF FORMING IRREGULAR SHAPED COILS OF AN ELECTRIC MACHINE
    6.
    发明申请
    METHOD OF FORMING IRREGULAR SHAPED COILS OF AN ELECTRIC MACHINE 有权

    公开(公告)号：US20220094226A1

    公开(公告)日：2022-03-24

    申请号：US17493126

    申请日：2021-10-04

    Applicant: EVR MOTORS LTD

    Inventor： Victor Kislev ,  Ruslan Shabinski ,  Eliyahu Rozinsky

    IPC: H02K3/28 ,  H02K3/14 ,  H02K3/50 ,  H02K1/16

    Abstract: A method of fabricating a coil for mounting on a tooth of a stator or a rotor of an electric machine includes winding a wire about a mandrel to form a coil having a first shape corresponding to the shape of the mandrel. The method may also include removing the coil having the first shape from the mandrel, and applying a mechanical force on the coil to change the shape of the coil from the first shape to a second shape. The second shape may correspond to the shape of the tooth. The method may also include mounting the coil of the second shape on the tooth.

    ELECTRIC MACHINE WITH CORE PIECE OF MULTI-PIECE TEETH EXTENDING FROM AN ANNULAR RING
    7.
    发明申请
    ELECTRIC MACHINE WITH CORE PIECE OF MULTI-PIECE TEETH EXTENDING FROM AN ANNULAR RING 有权

    公开(公告)号：US20220094216A1

    公开(公告)日：2022-03-24

    申请号：US17480452

    申请日：2021-09-21

    Applicant: EVR MOTORS LTD

    Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

    IPC: H02K1/14 ,  H02K5/18 ,  H02K21/22

    Abstract: A radial flux electric machine includes a rotor configured to rotate about an axis of rotation, a plurality of electromagnetic coils, and a stator. The stator may include an annular stator ring extending about the axis of rotation and a plurality of multi-part teeth circumferentially arranged on the stator ring. Each multi-part tooth of the plurality of multi-part teeth may include a core tooth-portion integrally formed with the stator ring and at least one additional tooth-portion separate from the stator ring. Each coil of the plurality of electromagnetic coils may be mounted on a different multi-part tooth of the plurality of multi-part teeth such that each coil surrounds a corresponding core tooth-portion of the multi-part tooth with a gap between the coil and the core tooth-portion. The at least one additional tooth-portion may be disposed in the gap.

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