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Oven with automatic open/closed system mode control

  • US 10,119,708 B2
  • Filed: 04/23/2013
  • Issued: 11/06/2018
  • Est. Priority Date: 04/23/2013
  • Status: Active Grant
First Claim
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1. A food cooking oven comprising:

  • an insulated housing including a door closing to define an interior cooking volume in a substantially sealed first state and opening to provide access to the cooking volume in a substantially unsealed second state;

    a heater communicating with the cooking volume to heat the cooking volume;

    a steam generator generating steam from a source of introduced water, being electronically actuable to receive a signal controlling a generation of steam;

    a first damper positioned between the interior cooking volume and exterior atmosphere, and in the substantially sealed first state being electronically actuable to receive a signal controlling an opening of the damper to allow water vapor flow between the interior cooking volume and exterior atmosphere and providing a pressure-activated bypass allowing flow of water vapor between the interior cooking volume and the exterior atmosphere when a predetermined pressure difference between the cooking volume and the exterior atmosphere is reached; and

    an electronic computer executing a program stored in memory to vary the signal to the damper according to user-entered data and to vary the signal to the steam generator according to user-entered data.

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