Stoves and furnaces – Dampers – Electric
Patent
1977-10-03
1979-08-14
Favors, Edward G.
Stoves and furnaces
Dampers
Electric
110163, 251175, F23L 1306
Patent
active
041642112
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.
REFERENCES:
patent: 2582877 (1952-01-01), Mekler
patent: 3602165 (1971-08-01), Huntington
American Air Filter Company, Inc.
Favors Edward G.
Winger Jon C.
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