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IPC Subclass
F23Q

IGNITION; EXTINGUISHING DEVICES

Introduced: September 1968

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION APPARATUS; COMBUSTION PROCESSES
Subclass:
IGNITION; EXTINGUISHING DEVICES

Description

Ignition and extinguishing devices for combustion apparatus, including spark plugs, igniters, pilot lights, and flame-initiation systems used in furnaces, boilers, engines, and other combustion equipment. Also covers fire suppression and extinguishing mechanisms integrated with combustion installations, as well as control systems for managing combustion startup and shutdown sequences. This subclass excludes general electrical ignition apparatus (covered in H05) and standalone fire-fighting equipment not directly associated with combustion apparatus.

Scope Notes

Glossary: Pilot flame A small flame that is lit or kept alight in order to provide ignition to a more powerful burner. Retention flame A small flame that is kept alight in order to maintain the uninterrupted operation of a more powerful burner. Fire lighter An element that either consists of combustible material or absorbs liquid fuel, and is intended for use in a fire-place or the like for simplifying the ignition of solid fuel. | Limiting references: Devices for igniting matches Hand fire extinguishers Chemical igniters, e.g. catalytic igniters Flints Matches Fire-lighters Candles with incorporated means (e.g. impregnated wicks) for self-extinguishing | Application references: Cigars or cigarettes with lighting devices Extinguishing devices for cigars or cigarettes , e.g. , Combinations of lighters and smokers requisites , e.g. , , Time-controlled igniting mechanisms for cooking-vessels Charcoal igniting devices for barbecues or the like Fire extinguishing specially adapted for particular objects or places Arrangements for igniting thermal or catalytic exhaust converters Ignition of light sources using charges of combustible material Arrangement or mounting of ignition devices in stoves or ranges for gaseous fuel Arrangement or mounting of ignition devices in stoves or ranges for liquid fuel

Related Keywords

lighters for CIGARETTE(S)IGNITING for combustion in generaligniters using INCANDESCENCEburnersLIGHTERS containing fuel, e.g. for cigarettesgas POKERSignition of combustion apparatus by SPARK(S)lighters for TOBACCOignition TORCH(ES)

11 direct subcodes

Child Classifications

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  • F23Q 21/00 Devices for effecting ignition from a remote location
  • F23Q 25/00 Extinguishing devices, e.g. for blowing-out or snuffing candle flames
  • F23Q 5/00 Make-and-break ignition, i.e. with spark generated between electrodes by breaking contact therebetween