Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Patent
1977-02-22
1978-10-24
Camby, John J.
Stoves and furnaces
Hot-air furnaces
Liquid or gaseous fuel
126400, 110323, 122367PF, 432215, F24H 312
Patent
active
041215630
ABSTRACT:
A fuel saving improvement in conventional home, commercial and public building heating furnaces comprising the inclusion of heat absorbing members such as stones on rod mesh trays in the normally substantial amount of unoccupied space above the furnace combustion chamber. The trays carrying the heat absorbing members are held, one above the other, by a metal support frame resting on the refractory material of the combustion chamber. The stones or other heat absorbing members are each at least three inches in cross sectional dimension and in spaced relation to each other. And the heat absorbing members in each tray are positioned above the respective open spaces between the stones in the next lower tray to cause a tortuous path for the heat and energy passing from the heating flame in the combustion chamber to the furnace flue opening. The heat absorbing members thereby absorb heat from the heating flames which would normally be lost to the flue opening during "ON" periods of the heating flame. During "OFF" periods of the heating flame, the heat absorbed by the heat absorbing members continues to provide furnace heat thereby reducing the length of needed "ON" periods of the heating flame in the combustion chamber and thus reducing fuel consumption by the furnace.
REFERENCES:
patent: 655274 (1900-08-01), Ramsden
patent: 1751581 (1930-03-01), Gould
patent: 2121733 (1938-06-01), Cottrell
patent: 2294579 (1942-09-01), Sherman
patent: 3400248 (1968-09-01), Isomaa
Camby John J.
Kreske Walter J.
Kreske Walter J.
Schwartz Larry I.
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