Combustion apparatus overheating device
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United States of America Patent
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Apr 28, 2020
Grant Date -
Nov 24, 2016
app pub date -
May 9, 2016
filing date -
May 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Spread of leaking combustion exhaust or the like is suppressed and a thermal fuse is made to operate in definitive fashion. A back flange is made to protrude so as to be directed toward a rear wall of an outer casing from a joint between a combustor casing and a heat exchanger casing to a location in the vicinity of the rear wall. A thermal fuse is arranged about the periphery of the heat exchanger casing so as to extend along a region near a protruding end edge of the back flange. The back flange is provided with a through hole, and combustion exhaust which leaks from the combustor casing is guided to the thermal fuse. A back flange which is similar thereto is installed at an upper location so as to straddle a tubing elbow. The two flanges are made to protrude beyond the tubing elbow.
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