发明授权
EP1149458B1 ELEKTROMOTOR MIT ELEKTROMAGNETISCHER BREMSE 有权
带电磁制动,电机

  • 专利标题: ELEKTROMOTOR MIT ELEKTROMAGNETISCHER BREMSE
  • 专利标题(英): Electric motor with electromagnetic brake
  • 专利标题(中): 带电磁制动,电机
  • 申请号: EP99945929.0
    申请日: 1999-07-06
  • 公开(公告)号: EP1149458B1
    公开(公告)日: 2005-08-10
  • 发明人: HABELE, MichaelKRAEMER, GerhardODENDAHL, Alfred
  • 申请人: ROBERT BOSCH GMBH
  • 申请人地址: Postfach 30 02 20 70442 Stuttgart DE
  • 专利权人: ROBERT BOSCH GMBH
  • 当前专利权人: ROBERT BOSCH GMBH
  • 当前专利权人地址: Postfach 30 02 20 70442 Stuttgart DE
  • 优先权: DE19860396 19981228
  • 国际公布: WO2000039912 20000706
  • 主分类号: H02K7/12
  • IPC分类号: H02K7/12 F16D49/00 F16D59/02
ELEKTROMOTOR MIT ELEKTROMAGNETISCHER BREMSE
摘要:
The invention relates to an electric motor with electromagnetic brake which is used notably for an angle grinder and comprises a stator (11) having at least one pole pair. The at least one first pole (14) has a pole shoe (15) facing inwards towards the rotor circumference and is surrounded by a stator winding (20). Said pole (14) houses a brake device (22) which serves to brake a rotor (12) and comprises a brake element (23) which via the magnetic field of the stator winding (20) can be adjusted against a brake force (33). According to the invention the brake element (23) is configured as a rocker which is eccentrically subjected to the brake force (33). Owing to the eccentric force application the brake element (23) can be arranged with a release arm (30) in the magnetic flux of the stator winding (20) in such a way that a high release torque can be obtained.
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