HEATING SYSTEM
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Dec 13, 2007
filing date -
Dec 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A heating system for heating a fluid, the system comprising two separate heat exchangers, each directly heated by a burner to heat the fluid, a common flue into which the two burners are arranged to discharge their exhaust gas, a common fan arranged to supply air to the two burners, and a gas supply to each burner. A splitter valve splits the air flow from the fan to the two burners. A controller controls the speed of the fan, the position of the splitter valve and the gas supplies according to the heat output requirement of the system.
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