IPC Subgroup
F01N 3/023 using means for regenerating the filters, e.g. by burning trapped particles
Introduced: January 2000
Last revised: January 2006
Full Title
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust > for cooling, or for removing solid constituents of, exhaust > by means of filters > using means for regenerating the filters, e.g. by burning trapped particles
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3 direct subcodes
Child Classifications
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- F01N 3/025 using fuel burner or by adding fuel to exhaust
- F01N 3/027 using electric or magnetic heating
- F01N 3/029 by adding non-fuel substances to exhaust