Catalytic exhaust gas purification device

Details Catalytic exhaust gas purification device Catalytic exhaust gas purification device

1974-04-26

1976-03-30

Richman, Barry S.

Chemistry: physical processes

Physical processes

Crystallization

23288FB, 23288FC, F01N 315, B01J 800, B01J 802, B01J 804

Patent

active

039472531

ABSTRACT:
A catalytic exhaust gas purification device for internal combustion engines which includes a housing receiving a catalyst and at least one inlet channel and one outlet channel; a baffle element adjustable as a function of the temperature of the catalyst is thereby arranged in the inlet channel upstream of the catalyst. The baffle element is movably mounted within the inlet channel so as to permit the exhaust gas to flow essentially unimpeded toward the center of the catalyst when the catalyst temperature is below a predetermined value and to deflect the exhaust gas away from the center of the catalyst to cause uniform flow thereof to the catalyst when the catalyst temperature is above said predetermined value.

REFERENCES:
patent: 3050935 (1962-08-01), Eastwood
patent: 3065595 (1962-11-01), Gary
patent: 3086839 (1963-04-01), Bloch
patent: 3201206 (1965-08-01), Wawrziniok
patent: 3222140 (1965-12-01), Scivally et al.
patent: 3749130 (1973-07-01), Hourtt et al.
patent: 3780772 (1973-12-01), Carnanhan et al.

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