Electric heating – Metal heating – Of cylinders
Patent
1980-02-22
1982-05-25
Reynolds, B. A.
Electric heating
Metal heating
Of cylinders
219 1055R, 200 5R, 340632, 340588, H05B 906
Patent
active
043318550
ABSTRACT:
A combined microwave and electric heating oven includes a gas sensor for detecting a completion of the cooking operation, and a timer for determining a cooking time period. A selection lever is slidably secured on a control panel for selecting a desired gas concentration value at which the cooking operation should be automatically terminated. First switches are disposed at both ends of the sliding course of the selection lever for placing the combined microwave and electric heating oven in a timer controlled operation mode instead of a gas sensor output controlled automatic cooking operation mode when the selection lever is located either end of the sliding course. A second switch is disposed at a preselected position in the sliding course for selecting the electric heating cooking when the selection lever is located at the preselected position.
REFERENCES:
patent: 2942221 (1960-06-01), Girolamo
patent: 3012116 (1961-12-01), Boylan et al.
patent: 3028472 (1962-04-01), Baird
patent: 3839616 (1974-10-01), Risman
patent: 4109129 (1978-08-01), Satoh et al.
patent: 4133995 (1979-01-01), Buck
patent: 4162381 (1979-07-01), Buck
patent: 4181744 (1980-01-01), Buck
patent: 4188510 (1980-02-01), Dills
Paschall M. H.
Reynolds B. A.
Sharp Kabushiki Kaisha
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