Controlling the damping of flues

Details Controlling the damping of flues Controlling the damping of flues

1979-04-02

1980-11-25

Wayner, William E.

Stoves and furnaces

Dampers

Electric

236 93R, 236101E, 98 85, F23L 300, G05D 2302

Patent

active

042352193

ABSTRACT:
Control method and apparatus, particularly for the damping of flues. A control device employing a latch mechanism operated by a bimetallic strip is used, for example, to operate a damper through a linkage. After being engaged, the latch is set automatically when the level of heating rises above a first prescribed threshold. Thereafter, when the level of heating falls below a second prescribed threshold, the latch acts automatically, for example, through the linkage to close the damper.

REFERENCES:
patent: 2042688 (1936-06-01), Tuck
patent: 4027655 (1977-06-01), Feldl

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