发明授权
US06201365B1 Drive unit with coolant flow through a space separating an inverter from a casing housing an electric motor
有权
具有冷却剂流动的驱动单元通过将逆变器与容纳电动机的壳体分开的空间
- 专利标题： Drive unit with coolant flow through a space separating an inverter from a casing housing an electric motor
- 专利标题（中）： 具有冷却剂流动的驱动单元通过将逆变器与容纳电动机的壳体分开的空间
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申请号： US09558163申请日： 2000-04-26
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公开(公告)号： US06201365B1公开(公告)日： 2001-03-13
- 发明人: Takeshi Hara , Yutaka Hotta , Masayuki Takenaka , Hiromichi Agata , Kozo Yamaguchi , Takahiro Kido , Naruhiko Kutsuna
- 申请人： Takeshi Hara , Yutaka Hotta , Masayuki Takenaka , Hiromichi Agata , Kozo Yamaguchi , Takahiro Kido , Naruhiko Kutsuna
- 优先权： JP11-120286 19990427; JP11-356734 19991215; JP12-088590 20000324
- 主分类号： H02K919
- IPC分类号： H02K919
摘要：
A drive unit which uses an electric motor as a power source and has an integrated inverter, with a cooling circuit for the electric motor and the inverter. The drive unit includes a drive unit case, the electric motor housed within the case, and the inverter fixed to the case. A coolant flow passage is provided between the drive unit case and the inverter. The inverter is fixed to the drive unit case through a panel wall, and a partition divides the coolant flow passage into chambers which are coextensive in parallel. As a result, the coolant which flows through the coolant flow passage acts as a two-stage heat shield, barring the heat generated by the electric motor from being transmitted to the inverter.
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