COMBUSTION SYSTEM
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Aug 30, 2007
filing date -
Aug 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A combustion system includes: a furnace housing; a heat exchanger including a heat exchanger housing and a tube-bundled structure that has a plurality of exhaust tubes, upper and lower plates, and an end cap, top ends of the exhaust tubes being fixed to the upper plate, bottom ends of the exhaust tubes being fixed to the lower plate, the upper plate being fixed to a top end of the heat exchanger housing, the exhaust tubes being thermally expandable in a downward direction; and a manifold interconnecting a gas outlet of the furnace housing and a gas inlet of the heat exchanger housing.
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