ELECTRIC MACHINE
    11.
    发明申请
    ELECTRIC MACHINE 审中-公开

    公开(公告)号:US20170338705A1

    公开(公告)日:2017-11-23

    申请号:US15487411

    申请日:2017-04-13

    Abstract: An electric motor has a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles. The first and second carriers each define an axis. An airgap is formed between the first and second carriers when in an operational position. An inner thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. An outer thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. The electromagnetic elements of each of the first and second carriers are arranged radially inward of the outer thrust bearing and radially outward of the inner thrust bearing. The inner thrust bearing and the outer thrust bearing are arranged to maintain the airgap against a magnetic attraction of the electromagnetic elements of the first and second carriers.

    BUCKLING WAVE DISK
    14.
    发明申请
    BUCKLING WAVE DISK 审中-公开

    公开(公告)号:US20170187308A1

    公开(公告)日:2017-06-29

    申请号:US15309431

    申请日:2015-05-05

    Abstract: A power conversion device has a buckled wave disk that has an axis and is radially compressed between a hub and a wave ring. The buckled wave disk is buckled in the radial direction to form circumferential waves which are displaced in the axial direction and extending around the buckled wave disk with lines formed of inflection points of the circumferential waves extending between the hub and wave ring. The wave ring is outwardly radially displaced at nodes corresponding to lines formed of inflection points of the circumferential waves. A wave propagation actuator cooperates with the buckled wave disk for driving a wave and the lines formed of inflection points of the circumferential waves around the buckled wave disk. An outer ring surrounds the wave ring, the outer ring being driven by or driving the wave ring at the nodes. A method of making a wave disk is provided.

    Electric Machine
    15.
    发明申请
    Electric Machine 审中-公开

    公开(公告)号:US20170187254A1

    公开(公告)日:2017-06-29

    申请号:US15235088

    申请日:2016-08-11

    Abstract: An electric machine comprising a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles, the second carrier being arranged to move relative to the first carrier. An airgap is provided between the first carrier and the second carrier. The electromagnetic elements of the first carrier include posts, with slots between the posts, one or more electric conductors in each slot, the posts of the first carrier having a post height in mm. The first carrier and the second carrier together define a size of the electric machine. The magnetic poles having a pole pitch in mm. The size of the motor, pole pitch and post height are selected to fall within a region in a space defined by size, pole pitch and post height that provides a benefit in terms of force or torque per weight per excitation level.

    FLEX SPLINE TORQUE TRANSFER DEVICE
    16.
    发明申请

    公开(公告)号:US20170184190A1

    公开(公告)日:2017-06-29

    申请号:US15309437

    申请日:2015-05-06

    CPC classification number: F16H49/001 F16H2049/003

    Abstract: A flex spline torque transfer device has a flex spline that is deflected in the radial direction by magnetic attraction to form a wave. The flex spline may be deflected radially inward by magnetic attraction to form a wave. The flex spline (FS) may be deflected radially inward by magnetic attraction at one or more positions equally spaced around the FS inner diameter (ID). The attraction may be greatest at smallest radial air gap between FS and magnetic means and lowest at largest air gap. The magnetic means may or may not be actively commutated. The highest magnetic force may be determined by the smallest air gap. In another embodiment, a torque transfer device has a flex spline that is deflected radially inward by magnetic attraction to a permanent magnet means at one or more positions equally spaced around the FS ID.

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