IPC Subgroup
F24F 11/33 to fire, excessive heat or smoke
Introduced: January 2018
Full Title
Control or safety arrangements > for purposes related to the operation of the system, e.g. for safety or monitoring > Responding to malfunctions or emergencies > to fire, excessive heat or smoke
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEATING; RANGES; VENTILATING
- Subclass:
- AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
2 direct subcodes
Child Classifications
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- F24F 11/34 by opening air passages
- F24F 11/35 by closing air passages