发明名称 BACK DRAFT DAMPER
摘要 A damper is provided. The damper includes a frame having a central opening through which air passes. A plurality of vanes are rotatably mounted within the frame. At least one of the vanes is oriented about a rotational axis that is offset at a non-orthogonal angle with respect to one of a horizontal and vertical axis.
申请公布号 WO2011017012(A3) 申请公布日期 2011.05.19
申请号 WO2010US42872 申请日期 2010.07.22
申请人 HUNTAIR, INC.;HOPKINS, LARRY;JONES, EMILY;PASSADORE, ALBERT;BENSON, DAVID 发明人 HOPKINS, LARRY;JONES, EMILY;PASSADORE, ALBERT;BENSON, DAVID
分类号 F24F13/10;F24F13/08;F24F13/20 主分类号 F24F13/10
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