Title: Damper assembly

Abstract: A damper assembly for use in gas-conducting conduits including a damper blade with a cavity therein for receiving a fluid and a plurality of outlet ports in flow communication with the cavity to provide means for providing a pressurized fluid seal around the damper blade when in a closed position.

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Inventors: Onnen, James H. (Louisville, KY, US)

Application Number: 838821
Filing Date: 1977-10-03
Publication_date: 1979-08-14
Assignee: American Air Filter Company, Inc. (Louisville, KY)
Primary Class(es): 126/285A 110/163, 251/175
Other Classes:
US Patent Ref:

2582877	Jan, 1952	Mekler	126/285.
3602165	Aug, 1971	Huntington	126/285.

Other Refs:
Primary Examiner: Favors, Edward G.
Assistant Examiner:
Attorney: Winger; Jon C.