using air pump (using jet air pumps F01N3/34; pumps in general F04)

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust > for rendering innocuous > by thermal or catalytic conversion of noxious components of exhaust > characterised by constructional aspects of converting apparatus > Arrangements for supply of additional air > using air pumps

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 rendering innocuous (using electric or electrostatic separators F01N3/01; chemical aspects B01D53/92) > by thermal or catalytic conversion of noxious components of exhaust > characterised by constructional aspects of converting apparatus (filtering in combination with catalytic reactors F01N3/035) > Arrangements for supply of additional air (control, e.g. using by-passes or variable air pump drives, F01N3/22) > using air pump (using jet air pumps F01N3/34; pumps in general F04)