| 摘要 |
1529561 Microwave oven blower interlock circuit LITTON INDUSTRIES Inc 17 June 1977 [26 Aug 1976] 25521/77 Heading H2H An operating circuit for a domestic cooking appliance equipped to operate in any one of three modes: conventional thermal cooking, microwave cooking and self-cleaning by pyrolysis, comprises means for selecting the modes, a blower motor operable on selection of either the microwave cooking mode or the selfcleaning mode, and an air-sensing switch for responding to air movement when produced by the blower motor, the switch being coupled in the circuit so that, when the self-cleaning mode is selected, that mode is rendered inoperable when the switch does not respond to air movement. |
