Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1993-10-18
1994-11-22
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422177, 60299, 502527, 502439, B01J 3200
Patent
active
053667000
ABSTRACT:
An apparatus for catalytically decontaminating exhaust gases, preferably for motor vehicle engines, includes a metal carrier body having a plurality of corrugated, or smooth and corrugated, sheet metal layers. The sheet metal layers have smooth end segments overlapping one another and being disposed as an outer layer on the periphery of the metal carrier body. A jacket encompasses the metal carrier body. At least one weld seam may connect the smooth end segments to one another and to the jacket. A mechanical retaining device may form-lockingly secure the metal carrier body in the axial direction in the jacket while engaging an end surface of the outer layer. A method for producing the apparatus includes initially coating individual corrugated, or smooth and corrugated, sheet metal layers of a metal carrier body with a wash coat, except for uncoated regions of lengthened smooth end segments of the sheet metal layers overlapping one another and being disposed as an outer layer on the periphery of the metal carrier body. The sheet metal layers are intertwined and inserted into a jacket encompassing the metal carrier body. The sheets are simultaneously connected to one another and to the jacket in the uncoated regions of the lengthened, smooth end segments resting on one another with at least one weld seam.
REFERENCES:
patent: 4767740 (1988-08-01), Abthoff et al.
patent: 4803189 (1989-02-01), Swars
patent: 4832998 (1989-05-01), Cyron
patent: 4923109 (1990-05-01), Cyron
patent: 4946822 (1990-08-01), Swars
patent: 5070694 (1991-12-01), Whittenberger
Bayer Jurgen
Humpolik Bohumil
Emitec Gesellschaft fuer Emissions-technologie mbH
Greenberg Laurence A.
Lerner Herbert L.
Tran Hien
Warden Robert J.
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