发明名称 |
Vacuum cleaner |
摘要 |
A dual filter arrangement for a vacuum cleaner for filtering particles of dust and debris from an airflow passing through the vacuum cleaner, comprising a coarse pre-filter having an array of pores formed therein of substantially uniform diameter and a fine primary filter which is located rearwardly of the pre-filter in the direction of flow of the airflow. <IMAGE> |
申请公布号 |
EP1070478(A3) |
申请公布日期 |
2002.12.18 |
申请号 |
EP20000306008 |
申请日期 |
2000.07.14 |
申请人 |
BLACK & DECKER INC. |
发明人 |
BONE, DANNY;COCKBURN, ERIC;PEARS BARRY |
分类号 |
A47L5/24;A47L9/10;A47L9/12 |
主分类号 |
A47L5/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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