发明名称 |
Wind responsive soffit ventilator |
摘要 |
A ventilator for attachment to a building soffit which is opened or closed automatically in response to a critical wind velocity. The ventilator includes a damper hingeably attached thereto which is acted upon by a wind of a predetermined velocity to cover the ventilator opening into the building and thereby prevent the introduction of wind-blown snow, rain or other particulate matter into the building.
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申请公布号 |
US4667581(A) |
申请公布日期 |
1987.05.26 |
申请号 |
US19850812017 |
申请日期 |
1985.12.23 |
申请人 |
ALUMINUM COMPANY OF AMERICA |
发明人 |
HOVLAND, LYLE W. |
分类号 |
F24F7/00;(IPC1-7):F24F13/10 |
主分类号 |
F24F7/00 |
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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