Variable firing rate burner

Details Variable firing rate burner Variable firing rate burner

1981-08-24

1984-08-14

Scott, Samuel

Combustion

Timer, programmer, retarder or condition responsive control

Of diverse feed or feed rate in starting, e.g., enriching...

431 90, 431354, 137 98, 236 15BD, F23N 500

Patent

active

044654561

ABSTRACT:
A variable firing rate burner with a throttle valve assembly that regulates fuel and air intake while maintaining a substantially constant fuel/air ratio over a wide fuel/air flow rate range. The throttle valve assembly includes a pivotally mounted throttle plate that seats on an input manifold, the throttle plate being moved by a driver between low and high firing rate positions. Fuel and air are drawn through the throttle valve assembly and into a mixing chamber by a blower and directed to a flameholder where ignition occurs.

REFERENCES:
patent: 3371699 (1968-03-01), Riot
patent: 3797989 (1974-03-01), Gordon
patent: 3827849 (1974-08-01), Nelson
patent: 4396371 (1983-08-01), Lorenz et al.

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