Heating

Details Heating Heating

1985-11-29

1987-05-26

Favors, Edward G.

Furnaces

Fronts

110173R, 126200, F23J 102

Patent

active

046676074

ABSTRACT:
A heating appliance having which a viewport through which combustion can be viewed incorporating a portion which is reflectorized to reflect some of the radiant heat of the burning fuel in the fire chamber back into the fire chamber to maintain high temperatures in the fire chamber for efficient combustion while reducing the temperature of the outer surface of the viewport and accordingly the likelihood of injury to persons accidentally touching the viewport and the possible damaging effects of thermal exposure and shock. The viewport is reflectorized in the preferred embodiment by a treatment which enhances the reflectivity of the transparent or translucent portion over that of transparent glass.

REFERENCES:
patent: 4048978 (1977-09-01), Plumat et al.
patent: 4382177 (1983-05-01), Heamey
patent: 4455479 (1984-05-01), Itoh et al.

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