Stoves and furnaces – Stoves – Heating
Patent
1977-06-23
1979-10-02
Schwadron, Martin P.
Stoves and furnaces
Stoves
Heating
126172, 126290, F24b 300
Patent
active
041694570
ABSTRACT:
A coal or wood-burning, thermostatically-operated space heater is shown and described. The heater includes a single thermostatically-operated draft control damper for controlling the supply of primary and secondary air to the fire chamber to avoid extreme temperature fluctuations and thus provide more even heating, to avoid excessive fuel consumption, and maximize burning efficiency. A movable grate assembly provides a simple, efficient mechanism for stirring the fuel and clearing the fire of ashes and spent fuel.
REFERENCES:
patent: 926335 (1909-06-01), Katzinger
patent: 1504661 (1924-08-01), Wertheim et al.
patent: 1872020 (1932-08-01), Taylor
patent: 2133421 (1938-10-01), Brown
patent: 2212298 (1940-08-01), Martin et al.
patent: 2384596 (1945-09-01), Burke et al.
patent: 2533674 (1950-12-01), Locke
patent: 2797874 (1957-07-01), Harding
patent: 3939817 (1976-02-01), Nuss
Schwadron Martin P.
Shenandoah Manufacturing Co. Inc.
Walton G. L.
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