Fluid heater with a variable-output burner including a perforated flame holder and method of operation
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United States of America Patent
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Oct 17, 2017
Issued Date -
Jan 28, 2016
app pub date -
Jul 28, 2015
filing date -
Jul 28, 2014
priority date (Note) -
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Abstract
A water heater includes a water tank having an inlet and an outlet, and a flue extending through the tank. A nozzle is positioned near a first end of the flue, arranged so as to emit a fuel stream into the flue, and a flame holder is located within the flue in a position to receive the fuel stream and to hold a flame entirely within the flue. A controller variably controls a flow of fuel to the nozzle according to a temperature of water in the tank.
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