Combustion – Timer – programmer – retarder or condition responsive control – Of sequential operation of plural burners – e.g. – pilot and...
Patent
1985-10-07
1986-09-30
Green, Randall L.
Combustion
Timer, programmer, retarder or condition responsive control
Of sequential operation of plural burners, e.g., pilot and...
431285, 431 86, 431281, F23Q 908
Patent
active
046144919
ABSTRACT:
A single blower/multiple burner control system including a burning chamber, having a plurality of burners disposed therein. An equal number of conduits extend from the burning chamber to a manifold being supplied with a constant supply of air under pressure. Each of the conduits receiving pressurized air has a fuel line which is connected at one end thereof to such corresponding air line and having the other end connected to a fuel manifold which is being supplied with a constant supply of fuel. Each of the fuel lines has an adjusting valve therein for adjusting the amount of fuel passing therethrough and each of the fuel lines also has a shut-off valve therein for permitting the fuel to be completely shut-off or to permit fuel to pass therethrough from the fuel manifold to the corresponding conduit leading to the corresponding burner. A control circuit is provided so that once the first burner is ignited with less than a certain quantity of fuel, a time delay relay mechanism opens a fuel valve in a second fuel line after a predetermined amount of time has passed, whereby the second burner will ignite from the flame of the first burner. The number of air conduit lines and fuel conduit lines to be utilized will depend upon the requirements for heat in the burning chamber.
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