F - Mech Eng,Light,Heat,Weapons – 23 – J
Patent
F - Mech Eng,Light,Heat,Weapons
23
J
158/9
F23J 1/02 (2006.01) F24B 13/00 (2006.01) F24C 15/04 (2006.01)
Patent
CA 1254123
ABSTRACT This invention relates to a heating appliance which incorporates a viewport through which combustion can be viewed. The viewport incorporates a portion which is reflectorised so as 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 whilst 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 reflectorised in the preferred embodiment by a treatment which enhances the reflectivity of the transparent or translucent portion over that of transparent glass.
496371
Fetherstonhaugh & Co.
Kent Heating Limited
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