发明申请
- 专利标题: VACUUM PUMP
- 专利标题(中): 真空泵
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申请号: US13376691申请日: 2010-06-07
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公开(公告)号: US20120315165A1公开(公告)日: 2012-12-13
- 发明人: Thomas Dreifert , Wolfgang Giebmanns , Robert Jenkins , Roland Müller
- 申请人: Thomas Dreifert , Wolfgang Giebmanns , Robert Jenkins , Roland Müller
- 优先权: EP102009024336.4 20090609
- 国际申请: PCT/EP10/57899 WO 20100607
- 主分类号: F04B17/03
- IPC分类号: F04B17/03
摘要:
A vacuum pump comprises pumping elements arranged in a pumping chamber. An electric motor drives the pumping element. A frequency inverter is provided for changing the rotational speed of the electric motor. The frequency inverter is arranged in a frequency inverter housing immediately connected to the pump housing. An air cooler and a liquid cooler are arranged in the frequency inverter housing to cool the frequency inverter.
公开/授权文献
- US09234519B2 Vacuum pump 公开/授权日:2016-01-12
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