IPC Subgroup
F23N 5/1 using thermocouples
Introduced: September 1968
Last revised: January 2006
Full Title
Systems for controlling combustion > using devices responsive to thermal changes or to thermal expansion of a medium > using thermocouples
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- REGULATING OR CONTROLLING COMBUSTION