Dual fuel control device with auxiliary backline pressure regulator
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United States of America Patent
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May 5, 2015
Issued Date -
N/A
app pub date -
Mar 8, 2013
filing date -
May 10, 2012
priority date (Note) -
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Abstract
A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include a fuel regulator valve including a main pressure regulator to regulate the fuel pressure, at least one auxiliary pressure regulator, a first fuel source connection for connecting the first fuel type to the heater assembly, and a second fuel source connection for connecting the second fuel type to the heater assembly. The one or more auxiliary pressure regulators introduce a backline pressure to the main pressure regulator, thereby adjusting the fuel pressure to fall within a predetermined range.
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Family
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