Oven preheat countdown timer

Details Oven preheat countdown timer Oven preheat countdown timer

1996-08-05

1998-06-16

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219720, 219497, 219413, 219506, 99332, H05B 102

Patent

active

057674884

ABSTRACT:
A method for displaying preheat or oven thermal conditioning times in a countdown timer for both thermal and thermal convection ovens is provided. The method has the steps of providing an oven having an oven cavity, a heating element, a control panel for inputting cooking parameters, and controls connected to the heating element for operating the oven; selecting a preheat temperature using the input control panel, providing a preheat time by using the control system; determining if the oven cavity is pre-conditioned; executing a preheat cycle when the oven is not pre-conditioned; displaying the preheat time in a decrementing manner using the display; and ending the preheat cycle when the decrementing preheat time equals zero. An oven having an improved preheat system is also provided.

REFERENCES:
patent: 4517431 (1985-05-01), Ueda
patent: 4625086 (1986-11-01), Karino
patent: 4686356 (1987-08-01), Ueda et al.
patent: 4687908 (1987-08-01), Thorne
patent: 4761539 (1988-08-01), Carmean
patent: 5111028 (1992-05-01), Lee
patent: 5317130 (1994-05-01), Burkett et al.
patent: 5398597 (1995-03-01), Jones et al.

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