Catalytic converter

Details Catalytic converter Catalytic converter

1991-12-27

1993-12-28

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422180, 55496, 55503, 55509, 55DIG30, B01D 5000, B01D 3908

Patent

active

052737241

ABSTRACT:
The catalytic converter has a casing with two one-piece shells. These each have a curved section and flanges projecting outward away therefrom. The flanges are welded to one another in pairs and make an angle with one another at least in a substantial part of their lengths and, for example, over their entire lengths. In the production of the catalytic converter, the shells can be produced simply and economically with the aid of a shaping process. After at least one dimensionally stable core and an elastically deformable intermediate layer surrounding this core have been arranged between the two shells, the latter are pressed against one another with a predetermined compressive force and are welded to one another. In the mass production of catalytic converter, their cores can be installed readily and without damage in the casing, even in the case of relatively large deviations from the intended ideal shapes and ideal dimensions.

REFERENCES:
patent: 4043761 (1977-08-01), Gaysert et al.
patent: 4148120 (1979-04-01), Siebels
patent: 4160010 (1979-07-01), ttle
patent: 4215093 (1980-07-01), Yasuda
patent: 4256700 (1981-03-01), Smith et al.
patent: 4282186 (1981-08-01), Nonnemann et al.
patent: 4322388 (1982-03-01), Hardin et al.
patent: 4335078 (1982-06-01), Ushijima et al.
patent: 4925634 (1990-05-01), Yokokoji et al.

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