Device for the catalytic purification of automotive exhaust gas

Details Device for the catalytic purification of automotive exhaust gas Device for the catalytic purification of automotive exhaust gas

1992-08-31

1995-05-30

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

55DIG30, 422179, 422198, 422206, B01D 5392, B01D 5394

Patent

active

054198763

ABSTRACT:
A device for the catalytic purification of automotive exhaust gas includes at least one inner casing housing an assembly of corrugated, or corrugated and flat, thin metal sheets carrying a catalyst thereon, and disposed between a gas inlet and a gas outlet which are adapted for connection to an exhaust pipe extending from an engine. An outer casing surrounds the inner casing in a speced apart relation therefrom, and is joined to it in a gastight way. The inner and outer casings define therebetween a closed space filled with a heat storing material which can collect and store the heat of exhaust gas.

REFERENCES:
patent: 3247666 (1966-04-01), Behrens
patent: 4107922 (1978-08-01), Wossner
patent: 4160010 (1979-07-01), Ottle
patent: 4318888 (1982-03-01), Chapman et al.
patent: 4415118 (1983-11-01), Endo
patent: 4942019 (1990-07-01), Goodell et al.
patent: 4976103 (1990-12-01), Takikawa et al.
patent: 5130099 (1992-07-01), Schatz

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