Proven pilot fuel ignition system with sampling flame sensor

Details Proven pilot fuel ignition system with sampling flame sensor Proven pilot fuel ignition system with sampling flame sensor

1977-02-25

1978-09-05

Dority, Jr., Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

With test circuit checking or analyzing flame sensing...

431 26, 431 46, 431 66, 431 73, F23N 512

Patent

active

041116399

ABSTRACT:
A self-checking fuel ignition system of the pilot ignition type including a sampling flame sensor which effects periodic testing of the operability of a spark generating circuit to provide ignition sparks, and an energizing circuit which operates independently of the spark generating circuit but under the control of the flame sensor, to control the operation of fuel valves of the system and to effect the shut down of the system for loss of flame or ignition spark.

REFERENCES:
patent: 3902839 (1975-09-01), Matthews
patent: 3914092 (1975-10-01), Matthews
patent: 3918881 (1975-11-01), Matthews
patent: 3947220 (1976-03-01), Dietz
patent: 3955910 (1976-05-01), Matthews
patent: 4038019 (1977-07-01), Matthews

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