发明名称 Vacuum cleaner with recirculated cooling air
摘要 A vacuum cleaner comprising a receptacle having a working air inlet and an associated filter, the filter in communication with and downstream from the working air inlet, is disclosed. The vacuum cleaner further includes a housing containing a motor and having a cooling air outlet from the motor and a working air outlet, the working air outlet in communication with the working air inlet of the receptacle through a working air impeller, wherein the cooling air is directed to the receptacle, and the cooling air passes through the filter before exiting the working air outlet of the housing.
申请公布号 US8533906(B2) 申请公布日期 2013.09.17
申请号 US201113178245 申请日期 2011.07.07
申请人 LIU LI H.;SHOP VAC CORPORATION 发明人 LIU LI H.
分类号 A47L9/10;A47L9/22 主分类号 A47L9/10
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