Apparatus for Controlling an Air Inlet Valve for a Solid Fuel Burner
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United States of America Patent
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Issued Date -
Nov 24, 2022
app pub date -
May 19, 2022
filing date -
May 19, 2022
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Abstract
Apparatus for controlling the flow of air through an air inlet in a solid fuel burner comprises: a mechanical temperature sensor for sensing the temperature within the solid fuel burner, the sensor comprising first and second elongate parts having different coefficients of linear thermal expansion and arranged such that a first end of the first elongate part moves linearly relative to a first end of the second elongate part in response to a change in the sensed temperature; a movable valve member for controlling the flow of air through the air inlet; and a mechanism for coupling the first end of the first elongate part to the movable valve member so as to close or restrict the air inlet as the sensed temperature increases.
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