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Programmable load compensation method and apparatus for use in a food

  • US 5,528,018 A
  • Filed: 02/22/1993
  • Issued: 06/18/1996
  • Est. Priority Date: 08/19/1991
  • Status: Expired due to Fees
First Claim
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1. A cooking device for automatically cooking food products throughout at least one cooking interval comprising:

  • a cavity;

    a first heating element disposed within said cavity;

    a second heating element disposed within said cavity, said first and second heating elements being separately controllable and simultaneously operable for at least a portion of said at least one cooking interval;

    temperature selection means for enabling a user to input temperature setpoints for said cooking device;

    temperature sensor means for providing temperature signals indicating a temperature in the cavity;

    timing input means for enabling a user to select the duration of each cooking interval;

    load compensation factor selection means for enabling a user to select a load compensation factor;

    system control means responsive to said temperature selection means, said temperature sensor means, said load compensation factor selection means and said timing input means for determining an operation schedule for said first and second heating elements during each cooking interval and varying the duration of each cooking interval based on differences between temperature setpoint and the temperature of the cavity;

    first heating element control means responsive to said system control means for changing said first heating element between an ON and an OFF mode according to the operation schedule; and

    second heating element control means responsive to said system control means for changing said second heating element between an ON and an OFF mode according to the operation schedule.

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