Automatic heating oven system

Details Automatic heating oven system Automatic heating oven system

1998-05-15

2000-03-14

Walberg, Teresa

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219386, 219387, 219685, 219701, 126 21A, 126 41A, 99423, F27B 906

Patent

active

060375698

ABSTRACT:
An automatic heating oven system employs a cabinet containing a heating chamber with radiant heating elements and a turntable rotatable at a fixed slow angular speed. A thermocouple controls the heating elements to maintain the turntable above a minimum elevated temperature at all times. An entry chute with proximity switch extends into the chamber, and passage of a food-laden tray down the chute to the turntable triggers the switch, activating the turntable and an exhaust fan and, if not already on, the heating elements. A guide bar extending across the turntable at an oblique angle to all possible paths of travel of the food item on the turntable directs the food out an exit to a receiving rack outside the oven, before the food item completes a complete revolution on the turntable. A retriggerable timer turns off the heaters, fan and turntable a fixed time period after the most recent activation of the proximity switch.

REFERENCES:
patent: 4039796 (1977-08-01), Leibin et al.
patent: 4239009 (1980-12-01), Cunningham
patent: 4506652 (1985-03-01), Baker et al.
patent: 4999468 (1991-03-01), Fadel
patent: 5034587 (1991-07-01), Takagi

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