Automatic damper operator

Details Automatic damper operator Automatic damper operator

1984-05-14

1985-05-21

Tanner, Harry

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

236 9A, 236 94, 251 80, F23N 300

Patent

active

045181160

ABSTRACT:
A motorized, automatic mechanism for installation in an air register damper housing attachable to damper blades for the purpose of converting said blades from a manual mode of operation to an electrically controlled operation through motor interlock with thermostatic and furnace combustion means. System is comprised of electric motor, with switch operator and lever arm attachable to motor shaft; said lever arm being fastened to linkage mechanism that transfers motor rotation to pivotally mounted damper blades, thereby opening and closing said blades in accordance with thermostatic demands.

REFERENCES:
patent: 2271487 (1942-01-01), Nessell
patent: 3074643 (1963-01-01), Nelson
patent: 3212350 (1965-10-01), Bradford
patent: 3251548 (1966-05-01), Foster
patent: 3934797 (1976-01-01), Perlmutter
patent: 3939456 (1976-02-01), Curtis et al.
patent: 4148435 (1979-04-01), Meyers et al.
patent: 4452391 (1984-06-01), Chow

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