Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1990-06-08
1992-09-01
Kummert, Lynn M.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422115, 422196, 422211, 60299, 60301, 55DIG30, F01N 318, F01N 328
Patent
active
051437015
ABSTRACT:
For the treatment of exhaust gases, more particularly the catalytic treatment of exhaust gases from IC engines, and more especially the exhaust gases of an automobile, the exhaust gases are passed through a preconverter associated with a main converter and designed for cold start conditions, as long as the engine is in a first operating condition thereof, in which the exhaust gas temperature is not sufficient to activate the main converter. As soon as a second operating state is attained, in which the exhaust gas temperature activates the main converter, the exhaust gases are passed in parallel via the preconverter and the main converter.
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patent: 3961478 (1976-06-01), Lange
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patent: 5016438 (1991-05-01), Harris
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