Fuel control system for a burner
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United States of America Patent
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Mar 12, 1991
Grant Date -
N/A
app pub date -
May 10, 1988
filing date -
May 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A burner assembly includes a burner housing having a combustion chamber defined therein and a fuel injection nozzle secured to the burner housing and communicating with the combustion chamber. A fuel control device is provided for controlling the amount of fuel flowing through the nozzle. The fuel control device includes a valve chamber including a bore and a valve seat and a needle valve adapted to reciprocate in the valve chamber. An adjusting device is provided for adjusting a range of motion of the needle valve in the valve chamber. The adjusting device includes a control rod secured at one end to the needle valve and a bimetallic assembly for regulating the motion of the control rod. The bimetallic assembly includes a pair of legs which are operably connected to the control rod and are exposed to the heat produced by the burner assembly.
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