发明名称 Bagless vacuum cleaner system
摘要 A vacuum cleaner includes a housing as well as a suction generator and bagless dirt system carried on the housing. The bagless dirt system includes a dirt cup, a prefilter, a filter chamber remote from the dirt cup, a filter in the filter chamber and a first conduit providing fluid communication between the dirt cup and the filter chamber. A second conduit provides fluid communication between the filter chamber and the suction generator.
申请公布号 US2005015921(A1) 申请公布日期 2005.01.27
申请号 US20040895556 申请日期 2004.07.21
申请人 PULLINS ALAN T. 发明人 PULLINS ALAN T.
分类号 A47L9/12;A47L9/16;(IPC1-7):A47L9/16 主分类号 A47L9/12
代理机构 代理人
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