Swirl exhaust gas flow distribution for catalytic conversion

Details Swirl exhaust gas flow distribution for catalytic conversion Swirl exhaust gas flow distribution for catalytic conversion

1974-12-09

1976-06-22

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23288F, 23288R, 138 40, 138 42, B01J 802, B01J 3504, F01N 315, F15D 100

Patent

active

039648753

ABSTRACT:
In an exhaust system for an internal combustion engine, wherein pollutants are removed from the exhaust gases by catalytic conversion, a pinwheel type of deflector positioned within the exhaust flow provides a radially-outwardly deflected swirl flow to the gases as they emanate from an exhaust pipe of one diameter into a canister of larger diameter for housing a catalytic converter. Such flow distribution results in improved catalytic conversion efficiencies obtainable by the converter and reduces its degradation rate inherent with time.

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patent: 2717049 (1955-09-01), Langford
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patent: 3027143 (1962-03-01), Furgerson et al.
patent: 3111963 (1963-11-01), Brockwell
patent: 3258895 (1966-07-01), Wiebe
patent: 3749130 (1973-07-01), Howitt et al.
patent: 3780772 (1973-12-01), Carnanhan et al.

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