F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
126/73
F24C 15/16 (2006.01) F24C 15/32 (2006.01)
Patent
CA 1203134
ABSTRACT OF THE DISCLOSURE A conventional gas oven having exhaust holes in the high air pressure region of a heating chamber has a drawback that when a circulation fan is rotating, hot air is con- stantly discharged to cause a great heat loss. According to the present invention, exhaust holes are provided in or adjacent a region where the pressure becomes negative owing to the suction of a circulation fan when the gas combustion is off, with the result that there is no possibility of hot air being unnecessarily discharged in the gas combustion-off period and that in the gas combustion-on period the amount of discharge is automatically controlled according to the combustion rate. Thus, the invention is characterized by quick temperature rise and the saving of energy, consuming less fuel. -19-
420133
Fetherstonhaugh & Co.
Matsushita Electric Industrial Co. Ltd.
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