Stoves and furnaces – Dampers – Electric
Patent
1979-07-02
1980-12-09
Dority, Jr., Carroll B.
Stoves and furnaces
Dampers
Electric
431 20, 236 1G, F23L 1300
Patent
active
042378559
ABSTRACT:
A flue throttle to control the amount of flue gas or heated air going out the flue from a heating system, by throttling the flue to the minimum amount required while the heat source is on and to change to a further reduced or a complete throttling of the flue when the burner or heat source is off. The heat source referred to throughout this application is from the combustion of fuel through an electric motor driven burner.
REFERENCES:
patent: 4108369 (1978-08-01), Prikkel
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