CPC Subgroup
F01N 3/025 using fuel burner or by adding fuel to exhaust
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 > using fuel burner or by adding fuel to exhaust
1 direct subcode
Child Classifications
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