Combination of gas sensor controlled cooking utensil and gas...

Details Combination of gas sensor controlled cooking utensil and gas... Combination of gas sensor controlled cooking utensil and gas...

F - Mech Eng,Light,Heat,Weapons

24

C

327/2.51

F24C 7/02 (2006.01) F24C 7/08 (2006.01) F24C 15/20 (2006.01) H05B 6/68 (2006.01) H05B 6/80 (2006.01)

Patent

CA 1138940

ABSTRACT OF THE DISCLOSURE A microwave oven includes a magnetron, a blower fan system, and a gas sensor for detecting exhaust gas concentrations developed within the oven cavity. When the exhaust gas concen- trations exceed a predetermined level while actual cooking operations are conducted, the gas sensor develops a first de- tection output to terminate the cooking operation. When cooking operations are not being conducted, the gas sensor functions as a gas leak alarm sensor. When ambient gas concentrations are detected at abnormal levels, the gas sensor develops a second detection output to announce dangerous gas levels. When the oven is not used for cooking purposes, the oven's blower fan is intermittently energized to introduce ambient air to the gas sensor for monitoring purposes.

346026

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