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.
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 代理人
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