发明名称 Power tool
摘要 The invention is based on an electric power tool, having an electric motor located in a housing ( 10 ) and having a cooling device ( 16, 18, 20, 30, 32 ). It is proposed that the cooling device ( 16, 18, 20, 30, 32 ), at least in some regions, has a cooling conduit ( 30 ) that is closed off from an interior of the housing ( 10 ).
申请公布号 US2006266538(A1) 申请公布日期 2006.11.30
申请号 US20050550047 申请日期 2005.09.21
申请人 STIERLE PETER;WIKER JUERGEN 发明人 STIERLE PETER;WIKER JUERGEN
分类号 E21B17/22 主分类号 E21B17/22
代理机构 代理人
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