CPC Subgroup
F01N 3/023 using means for regenerating the filters, e.g. by burning trapped particles
Full Title
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (electric control F01N9/00; monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00) > for cooling, or for removing solid constituents of, exhaust (by means of electric or electrostatic separators F01N3/01 ) > by means of filters > using means for regenerating the filters, e.g. by burning trapped particles
11 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 means
- F01N 3/029 by adding non-fuel substances to exhaust