with interlock with main fuel supply

Full Title

Ignition by a pilot flame > with interlock with main fuel supply

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

IGNITION; EXTINGUISHING DEVICES

Child Classifications

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• F23Q 9/1 to determine the sequence of supply of fuel to pilot and main burners
• F23Q 9/12 to permit the supply to the main burner in dependence upon existence of pilot flame