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公开(公告)号：US20190027986A1
公开(公告)日：2019-01-24
申请号：US16040741
申请日：2018-07-20
摘要： A rotor for an electrical machine comprises a rotor body having an external, axially extending magnet receiving surface for receiving at least one magnet thereon, and a flange mounting portion at at least one axial end of the magnet receiving surface. The flange mounting portion has a smaller external dimension (D1) than an external dimension (D2) of the magnet receiving surface so as to form a shoulder between the magnet receiving surface and the flange mounting portion. A magnet retaining flange is mounted over the flange mounting portion of the rotor body and located against the shoulder. The magnet retaining flange is retained against the shoulder by at least one lip of the flange mounting portion of the rotor body which extends radially outwardly over a radially inner portion of the magnet retaining flange. The lip by deforming an end face of the flange mounting portion.
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公开(公告)号：US11152826B2
公开(公告)日：2021-10-19
申请号：US16040741
申请日：2018-07-20
摘要： A rotor for an electrical machine comprises a rotor body having an external, axially extending magnet receiving surface for receiving at least one magnet thereon, and a flange mounting portion at at least one axial end of the magnet receiving surface. The flange mounting portion has a smaller external dimension (D1) than an external dimension (D2) of the magnet receiving surface so as to form a shoulder between the magnet receiving surface and the flange mounting portion. A magnet retaining flange is mounted over the flange mounting portion of the rotor body and located against the shoulder. The magnet retaining flange is retained against the shoulder by at least one lip of the flange mounting portion of the rotor body which extends radially outwardly over a radially inner portion of the magnet retaining flange. The lip by deforming an end face of the flange mounting portion.
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