Control system for burner

Details Control system for burner Control system for burner

1991-03-14

1993-04-20

Price, Carl D.

Combustion

With indicator or inspection means

Correlated with action of condition responsive burner control

431 76, 431 18, 431 13, 236 15F, F23N 500, F23N 526

Patent

active

052036871

ABSTRACT:
A control system for a burner is disclosed which detects oxygen concentration in a room using an oxygen sensor, to thereby supply an abnormality detecting signal to at least one of an alarm and a combustion reducing device to actuate it when oxygen concentration is lowered below a predetermined set value. A first comparing device and a reference value storing device are used to cause maximum oxygen concentration detected to be stored as an oxygen concentration reference value in the storing device. A second comparing device compares the deviation between the oxygen concentration reference value and a detected oxygen concentration value with an abnormality judging reference value, to thereby generate the abnormality detecting signal when the deviation is larger than the reference value. The control system is capable of effectively detecting a low oxygen concentration condition without being affected by an ambient temperature.

REFERENCES:
patent: 4423487 (1983-12-01), Buckenham et al.
patent: 4482311 (1984-11-01), Wada et al.
patent: 4525137 (1985-06-01), Tomioka et al.
patent: 4588371 (1986-05-01), Nakamura et al.
patent: 4710125 (1987-12-01), Nakamura et al.

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