发明名称 Fan shroud filter
摘要 A filter device for use in conjuction with a ceiling fan, for removal of smoke and other pollutants from the room air during the operation of the fan. The device is affixed to the ceiling and to the post from which the fan housing is suspended, such that air containing pollutants that is pulled upward across the diameter of the fan blades, passes through the device.
申请公布号 US4750863(A) 申请公布日期 1988.06.14
申请号 US19870060645 申请日期 1987.06.11
申请人 G & H ENTERPRISES 发明人 SCOGGINS, GLENN
分类号 F04D29/70;F24F13/28;(IPC1-7):F04D29/70 主分类号 F04D29/70
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