Air distribution system for reduction catalyst and oxidation cat

Details Air distribution system for reduction catalyst and oxidation cat Air distribution system for reduction catalyst and oxidation cat

1974-07-19

1978-11-21

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60301, 60306, F01N 315

Patent

active

041259971

ABSTRACT:
An internal combustion engine with an exhaust line in which are arranged a reduction catalyst and downstream thereof an oxidation catalyst, whereby during the starting phase of the internal combustion engine, additional air is supplied to the reduction catalyst, and in the operationally warmed-up condition of the internal combustion engine, additional air is supplied to the oxidation catalyst while at the same time a part of the additional air continues to be fed to the reduction catalyst.

REFERENCES:
patent: 3733829 (1973-05-01), Henault
patent: 3757521 (1972-09-01), Tourtellotte
patent: 3809743 (1974-05-01), Unland
patent: 3825654 (1974-07-01), Kobylinski
patent: 3826089 (1974-07-01), Nakajima
patent: 3872213 (1972-08-01), Haseba

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