Exhaust systems

Details Exhaust systems Exhaust systems

1975-02-19

1976-12-14

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

23288F, 138 37, F01N 314

Patent

active

039967409

ABSTRACT:
The useful life of a catalyst being used in an engine exhaust system to lower the undesirable constituents in the exhaust gas of an engine being operated on gasoline containing a cyclopentadienyl manganese antiknock is greatly prolonged by providing an exhaust system having a plurality of substantially parallel proximately spaced vanes in the exhaust flow path upstream from the catalyst. The vanes have elongated recesses in their surface.

REFERENCES:
patent: 1893372 (1933-01-01), Kryzanowski
patent: 3109715 (1963-11-01), Johnson
patent: 3185181 (1965-05-01), Demyan
patent: 3597166 (1971-08-01), Hochman

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