Fuel saving device

Details Fuel saving device Fuel saving device

1986-03-12

1987-10-13

Yeung, James C.

Stoves and furnaces

Dampers

Stovepipe

126285R, 126312, F23L 300

Patent

active

046991212

ABSTRACT:
The invention provides a fuel saving device comprising a flue damper of simple mechanical construction mounted on a support member. A hinge connects the flue damper to the support member allowing the closure of the flue damper which is counter balanced when the furnace is shut down. When the furnace is on the gas flow opens the damper.

REFERENCES:
patent: 493580 (1893-03-01), Flechtner
patent: 1641875 (1927-09-01), Beaulieu
patent: 4329967 (1982-05-01), Levenberg

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