| 发明名称 |
Suction device for cleaning purposes |
| 摘要 |
<p>The suction device (10) serving for cleaning purposes comprises an areal filter element (56) which in a nonloaded state has an arched shape (60) relative to its frame. The arching direction is reversible by reversal of the air flow (54) passing through the filter (50).</p> |
| 申请公布号 |
EP1380246(A2) |
申请公布日期 |
2004.01.14 |
| 申请号 |
EP20030013518 |
申请日期 |
2003.06.13 |
| 申请人 |
ALFRED KAERCHER GMBH & CO. KG |
发明人 |
SCHMIDGALL, MARTIN;JANZEN, JAKOB;DIEHL, RALPH |
| 分类号 |
A47L9/12;A47L9/20;(IPC1-7):A47L9/20 |
主分类号 |
A47L9/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
