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Cooktop

  • US 10,278,238 B2
  • Filed: 11/02/2015
  • Issued: 04/30/2019
  • Est. Priority Date: 11/07/2014
  • Status: Active Grant
First Claim
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1. A cooktop appliance apparatus having a cooking surface for use in cooking, the apparatus including:

  • a heating subsystem associated with the cooking surface;

    a controller for controlling operation of the heating subsystem;

    a hardware-implemented safety module comprising two or more electronic safety circuits, each safety circuit having;

    a temperature sensor for sensing a temperature associated with the heating subsystem, anda comparator adapted to compare the sensed temperature with a threshold safety temperature, andan electronic switch for activating operation of the heating sub-system;

    wherein temperature sensors of the respective safety circuits are located beneath a sensor cap that is biased into a raised position above the cooking surface;

    wherein electronic switches of the respective safety circuits together effect operation of the heating sub-system only when at least two safety circuits determine that the sensed temperature is below a predetermined threshold safety temperature.

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