| 发明名称 | Ventilation unit | ||
| 摘要 | A ventilation unit (1) includes: a ventilation member (2) configured to be attached to an opening (11) of a housing (10), the ventilation member (2) including a water-proof gas-permeable membrane (4) for covering the opening (11); a sealing member (6) configured to seal a gap between the housing (10) and the ventilation member (2); and a washer (7) configured to be pressed against the housing (10) by the ventilation member (2) around the sealing member (6). The washer (7) blocks a clearance formed outside the sealing member (6) and between a peripheral portion of the ventilation member (2) and the housing (10) when the ventilation member (2) is attached to the opening (11) of the housing (10). | ||
| 申请公布号 | US9120060(B2) | 申请公布日期 | 2015.09.01 |
| 申请号 | US201214113525 | 申请日期 | 2012.01.10 |
| 申请人 | Nitto Denko Corporation | 发明人 | Uemura Kou;Yano Youzou;Daimon Atsushi |
| 分类号 | B01D53/22;B01D53/04;B01D46/00;B01D53/02;B01D46/10;B01D29/05;B01D69/10;H05K5/02 | 主分类号 | B01D53/22 |
| 代理机构 | Hamre, Schumann, Mueller & Larson, P.C. | 代理人 | Hamre, Schumann, Mueller & Larson, P.C. |
| 主权项 | 1. A ventilation structure comprising a ventilation unit and a housing, the ventilation unit including: a ventilation member that is attached to an opening of the housing, the ventilation member having a water-proof gas-permeable membrane that covers the opening; a sealing member that is pressed against the housing by the ventilation member and seals a gap between the housing and the ventilation member; and a washer that is pressed against the housing by the ventilation member, the washer being provided around the sealing member. | ||
| 地址 | Osaka JP | ||