发明名称 Vacuum cleaner with a plurality of cyclonic cleaning stages
摘要 A portable appliance comprises a dirt inlet, first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage and a fluid flow motor.
申请公布号 US7887612(B2) 申请公布日期 2011.02.15
申请号 US20070683727 申请日期 2007.03.08
申请人 G.B.D. CORP. 发明人 CONRAD WAYNE ERNEST
分类号 B01D45/00 主分类号 B01D45/00
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