Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1980-01-21
1982-02-16
Rubinson, Gene Z.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219398, H05B 102
Patent
active
043160794
ABSTRACT:
A control arrangement is provided for a self-cleaning oven or similar thermostatically controlled apparatus. The self-cleaning oven in one arrangement is of the type that includes a manual latching arrangement operated by a handle for latching a pivotally mounted front door of the oven. The self-cleaning oven also includes a temperature control circuit having a sensing element arranged to sense the temperature of the oven cavity. The oven temperature control circuit is responsive to manually operable selector arrangements of the oven including oven temperature and oven mode selection arrangements. In one arrangement, the oven controls are provided by a rotatable selector control. The control arrangement includes a locking arrangement for the door latch to automatically lock the door latch arrangement whenever the oven door latch is closed and to unlock the door latch predetermined operating modes when the oven temperature is below a predetermined temperature. The oven thermostat control circuitry controls operation of both the locking arrangement and the heat generating apparatus of the oven such as heating elements or gas burners. In other arrangements, the control arrangement is utilized with apparatus having a basic process function controller to provide locking control for a closure device.
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Harper-Wyman Company
Roskoski Bernard
Rubinson Gene Z.
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