Flame responsive system

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

Patent

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Details

307308, 328 1, 340227R, 3402282, H01V 326, G01N 2700

Patent

active

039952215

ABSTRACT:
A flame responsive system includes a flame sensor, flame signal generating circuitry responsive to the flame sensor and flame signal inhibiting circuitry also responsive to the flame sensor. A fast filter and a slower filter are coordinated so that total loss of flame sensor response results in rapid termination of a flame signal output from the flame signal generating circuitry while reduction of a flame sensor response below a set point causes the flame signal inhibiting circuitry to inhibit the flame signal output.

REFERENCES:
patent: 2722677 (1955-11-01), Krueger
patent: 3665440 (1972-05-01), McMenamin

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