×

Method and apparatus for identifying an alarm condition in a cooking apparatus

  • US 20040027248A1
  • Filed: 08/06/2002
  • Published: 02/12/2004
  • Est. Priority Date: 08/06/2002
  • Status: Abandoned Application
First Claim
Patent Images

1. A cooking appliance comprising:

  • a housing with a heating cavity;

    a door;

    a heating element;

    a controller; and

    a detection module, said detection module comprising;

    an energy source directing energy toward a first direction, and in communication with the controller;

    a detector unit receiving energy from a second direction substantially perpendicular to said first direction, and in communication with the controller;

    an aperture for allowing entrance of air into the detection module from the cooking appliance; and

    one or more drain holes oriented such that condensation does not fall on the energy source or the detector unit;

    wherein the detector unit detects a level of smoke in the air from the cavity of the cooking appliance based on an amount of energy scattered from said first direction toward the second direction, and an alarm condition is identified based on said level of smoke.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×