IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F01

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

F01N

GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES

3/00

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust

F01N3/08

for rendering innocuous

F01N3/10

by thermal or catalytic conversion of noxious components of exhaust

F01N3/24

characterised by constructional aspects of converting apparatus

F01N3/28

Construction of catalytic reactors

F01N3/2839

Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration

F01N3/2875

by using elastic means, e.g. spring leaves, for retaining catalyst body in the housing