<p>A damper control arrangement wherein a damper blade opens and closes a flow through orifice in response to selective moving means adapted to move the damper blade is preselected distance from the orifice opening varying the opening of the orifice for a predetermined period of time prior to moving the damper blade to a fully open position resulting in the orifice obtaining its maximum opening area.</p>
申请公布号
DE2507934(C3)
申请公布日期
1979.01.11
申请号
DE19752507934
申请日期
1975.02.24
申请人
AMERICAN AIR FILTER CO., INC., LOUISVILLE, KY. (V.ST.A.)
发明人
WRIGHT, ROBERT, HOUSTON, TEX.;KELLEY JUN., WILSON E., PLEASURE RIDGE PARK, KY.
