Fired furnace operation and apparatus

Details Fired furnace operation and apparatus Fired furnace operation and apparatus

2005-05-03

2005-05-03

Young, James C. (Department: 3749)

Combustion

Process of combustion or burner operation

Controlling or proportioning feed

C431S018000, C431S089000, C126S109000, C126S112000, C432S029000, C432S209000, C432S219000

Reexamination Certificate

active

06887070

ABSTRACT:
A method and apparatus for continuing the operation of a fuel fired furnace when the air supply from the blower to the furnace is interrupted by employing a combination of a ventilator and drop door, the ventilator having a power source independent of the blower.

REFERENCES:
patent: 3894832 (1975-07-01), Chin et al.
patent: 4260363 (1981-04-01), Cratin, Jr.
patent: 4261508 (1981-04-01), Broach
patent: 4784069 (1988-11-01), Stark
patent: 5477846 (1995-12-01), Cameron

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