Mechanical Damper Control

  • US 20110094496A1
  • Filed: 10/22/2009
  • Published: 04/28/2011
  • Est. Priority Date: 10/22/2009
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a housing adapted to be coupled to an exhaust port of a stove, the housing including an opening through which exhaust gasses of the stove can flow;

    a damper rotatably coupled to the housing such that the damper can rotate about an axis to cover at least a portion of the opening when in a closed position;

    an expandable member coupled to the housing and responsive to changes in temperature, the expandable member comprising a first end portion coupled to the damper, and a second end portion joined to the apparatus at a portion of the apparatus that remains a fixed distance from the opening despite changes in temperature.

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