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    ROTARY ELECTRIC MACHINE
    12.
    发明公开
    ROTARY ELECTRIC MACHINE 审中-公开

    公开(公告)号：US20240258855A1

    公开(公告)日：2024-08-01

    申请号：US18615946

    申请日：2024-03-25

    申请人： DENSO CORPORATION

    发明人： WATARU NIWA ,  JASPER PENG

    IPC分类号： H02K1/2798 ,  H02K7/00 ,  H02K9/06 ,  H02K21/24

    CPC分类号： H02K1/2798 ,  H02K7/003 ,  H02K9/06 ,  H02K21/24

    摘要： A motor device includes a motor housing, a stator, and a rotor. An axial gap is formed between the stator and the rotor. An internal space of the motor housing includes a stator region, an opposite region, and an outer peripheral region. In the axial gap, a gap outer peripheral end communicates with the opposite region through the outer peripheral region. A holder adjustment hole, a holder center hole, and the like are formed in the rotor. In the axial gap, a gap inner peripheral end communicates with the opposite region through the holder adjustment hole, the holder center hole, and the like.

    ARRANGEMENT FOR GROUNDING A SHAFT
    13.
    发明公开
    ARRANGEMENT FOR GROUNDING A SHAFT 审中-公开

    公开(公告)号：US20240235337A1

    公开(公告)日：2024-07-11

    申请号：US18410289

    申请日：2024-01-11

    申请人： ZF Friedrichshafen AG

    发明人： Christoph Margraf ,  Michael Griesbach ,  Daniel Ortner

    IPC分类号： H02K11/40 ,  B60R16/06 ,  F16C3/02 ,  F16C41/00 ,  H02K7/00

    CPC分类号： H02K11/40 ,  B60R16/06 ,  F16C41/002 ,  H02K7/003 ,  F16C3/02

    摘要： An arrangement (13) for grounding a shaft, in particular an input shaft (2) of a transmission (3), includes a grounding hub (16) via which the shaft to be grounded is electrically conductively connected to a ground, preferably a housing (9). The ground forms a guide bore (25) in which the grounding hub (16) is axially movably guided. The shaft to be grounded is configured as a hollow shaft at least in the region of one axial end (14). In order to ground the shaft, the guide bore (25) is formed on a rod-shaped section (26), by which the ground is guided from the axial end (14) of the shaft to be grounded radially inward and axially into the shaft to be grounded. The guide bore (25) axially overlaps the shaft.

    ROTOR SHAFT ASSEMBLY, METHOD FOR MANUFACTURING OF ROTOR SHAFT ASSEMBLY AND DEVICES COMPRISING ROTOR SHAFT ASSEMBLY
    14.
    发明公开
    ROTOR SHAFT ASSEMBLY, METHOD FOR MANUFACTURING OF ROTOR SHAFT ASSEMBLY AND DEVICES COMPRISING ROTOR SHAFT ASSEMBLY 审中-公开

    公开(公告)号：US20240235320A1

    公开(公告)日：2024-07-11

    申请号：US18560028

    申请日：2022-05-11

    申请人： Mirka Ltd

    发明人： Simon BÄCK ,  Tobias HOLMQVIST ,  Tomas SÖDERGÅRD

    IPC分类号： H02K7/00 ,  H02K7/14 ,  H02K9/06

    CPC分类号： H02K7/003 ,  H02K7/145 ,  H02K9/06

    摘要： There is provided a solution for electrical insulation for an output shaft, tool and/or accessory driven by an electric motor, and the presence of the electrical insulation is also easy to verify. A rotor shaft assembly for an electric motor includes at least one section that is configured to extend in an axial direction of the rotor shaft assembly outside of a stator assembly of the electric motor, when the rotor shaft assembly is rotatably mounted inside the stator assembly. An electrical insulator is connected to the at least one section and the electrical insulator is configured to connect to an output shaft for connecting with a tool and/or accessory, or configured to connect directly to a tool and/or accessory to be driven by the electric motor.

    Hollow shaft and method for manufacturing hollow shaft
    16.
    发明授权
    Hollow shaft and method for manufacturing hollow shaft 有权

    公开(公告)号：US12027954B2

    公开(公告)日：2024-07-02

    申请号：US17706609

    申请日：2022-03-29

    申请人： NIDEC CORPORATION

    发明人： Hiroshi Sambuichi ,  Desen Pan ,  Wenxian Shi

    IPC分类号： H02K7/00

    CPC分类号： H02K7/003

    摘要： The disclosure provides a hollow shaft and a method for manufacturing the same. The hollow shaft includes: an outer periphery component having a cylindrical shape, and the outer edge of the outer periphery component has a polygonal shape; an inner periphery component having a cylindrical shape and is fitted to the inner wall of the outer periphery component; and a bottom component including a bottom plate and a cylindrical body, the extending direction of the bottom plate is perpendicular to the axial direction, the cylindrical body extends from the radially outer circumference of the bottom plate along the axial direction toward the outer periphery component, and the inner wall of the cylindrical body fits the outer wall of the inner periphery component. The outer periphery component, the inner periphery component, and the bottom component are separately defined components. The hollow shaft of the disclosure includes three separate components defined separately.