Apparatus for introducing fresh air into exhaust pipe of interna

Details Apparatus for introducing fresh air into exhaust pipe of interna Apparatus for introducing fresh air into exhaust pipe of interna

1993-03-09

1995-10-24

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60289, 60290, F01N 322

Patent

active

054599989

ABSTRACT:
An apparatus for introducing fresh air into an exhaust pipe of an internal combustion engine for purification of exhaust gas includes an air introducing means disposed between an intake pipe and an exhaust pipe of an internal combustion engine for introducing a fresh air into the exhaust pipe and hence to a catalytic converter, and a heater for heating the fresh air introduced through the air introducing means, wherein the heated air is fed to an catalytic converter via the exhaust pipe. Conversion of noxious components contained in the exhaust gas into harmless components is attained with the enhanced efficiency owing to heating of the fresh air by the heating means.

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