IPC Main Group
F23B 70/00 Combustion apparatus characterised by means for returning solid combustion residues to the combustion chamber
Introduced: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
Related Keywords
returning ASH(ES) for combustion