Monitoring for the presence of a flame in a burner

Details Monitoring for the presence of a flame in a burner Monitoring for the presence of a flame in a burner

1999-01-20

2000-02-15

Dority, Carroll

Combustion

Timer, programmer, retarder or condition responsive control

By combustion or combustion zone sensor

F23N 508

Patent

active

060245611

ABSTRACT:
A method of monitoring for the presence of a flame in a burner includes the steps of providing a UV bulb sensor (1) whose electrical output signal in response to a voltage applied across the sensor varies according to the presence or absence of UV light radiating from a burner flame, connecting the sensor across a voltage source (2) which is adjustable, the voltage source being set at a first setting, and monitoring the output signal from the bulb sensor during operation of the burner and automatically altering the setting of the voltage source from the first setting in accordance with the monitored output signal to maintain the output signal within a predetermined range.

REFERENCES:
patent: 5077550 (1991-12-01), Cormier
patent: 5256057 (1993-10-01), Grow

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