Combustion control device

Details Combustion control device Combustion control device

1982-07-19

1984-07-24

Dority, Jr., Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

431 25, 431 78, F23N 500

Patent

active

044616155

ABSTRACT:
A combustion control device which performs combustion control based on the ambient oxygen content by using an electrode rod to be put into a flame. The combustion control device comprises an a.c. power source, a circuit connected to the a.c. power source to produce a reference voltage corresponding to a change of supply voltage, a circuit connected to the a.c. power source to detect a flame current depending on the ambient oxygen content and the supply voltage, the detecting circuit producing a detection voltage corresponding to the flame current, a circuit for comparing the detection voltage and reference voltage, and a circuit receiving an output signal from the comparing circuit to control a fuel supply valve.

REFERENCES:
patent: 2352143 (1944-06-01), Wills
patent: 3405998 (1968-10-01), Walbridge
patent: 3879667 (1975-04-01), Kraty et al.
patent: 4188181 (1980-02-01), Rippelmeyer et al.
patent: 4396370 (1983-08-01), Yamana et al.

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