发明申请
US20160365757A1 SINGLE-PHASE BRUSHLESS MOTOR 审中-公开
单相无刷电机

  • 专利标题: SINGLE-PHASE BRUSHLESS MOTOR
  • 专利标题(中): 单相无刷电机
  • 申请号: US15249207
    申请日: 2016-08-26
  • 公开(公告)号: US20160365757A1
    公开(公告)日: 2016-12-15
  • 发明人: Yue LiChui You ZhouYong WangYong Li
  • 申请人: Johnson Electric S.A.
  • 优先权: CN201310347200.X 20130809; CN201310348173.8 20130809; CN201510543420.9 20150828; CN201510543842.6 20150828; CN201510546028.X 20150828; CN201510556517.3 20150902; CN201510867364.4 20151127
  • 主分类号: H02K1/14
  • IPC分类号: H02K1/14 H02K1/27 H02K3/18 H02K21/16
SINGLE-PHASE BRUSHLESS MOTOR
摘要:
A single phase motor includes a rotor including magnetic poles and a stator comprising a stator core and a winding wound on the stator core. The stator core includes a plurality of stator teeth each including a tooth body and a tooth end formed at an end of the tooth body, the tooth end comprising first and second arcuate regions facing the rotor. When the winding is not energized, a first magnetic coupling between said first arcuate region and a selected magnetic pole of said rotor is greater than a second magnetic coupling between said second arcuate region and the selected magnetic pole, said first arcuate region being offset from a selected tooth body in such a way as to enable movement of said rotor to initiate in either of two opposite directions relative to said selected tooth body upon energizing the winding.
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