Semi-oval shaped carrier having excellent thermal stress resista

Details Semi-oval shaped carrier having excellent thermal stress resista Semi-oval shaped carrier having excellent thermal stress resista

1991-11-12

1994-04-19

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422211, 422222, 55498, 55511, 55524, 60299, 60322, 428116, F01N 315, F01N 328

Patent

active

053043510

ABSTRACT:
A semi-oval shaped metallic carrier having an excellent thermal stress resistance and thermal fatigue resistance and used for an automobile exhaust gas-purifying catalyst, in which the carrier is composed of a metallic honeycomb body constituted by superimposing flat metal foils and corrugated metal foils one on the other and winding them together, and a metallic jacket enclosing the lateral face of the honeycomb body, the transverse section of the metallic carrier constituting the parallel portions and semi-circular arc portions and the honeycomb body is joined to the jacket mainly at the semi-circular arc portions or at the parallel portions of the honeycomb body.

REFERENCES:
patent: 4282186 (1981-08-01), Nonnenmann et al.
patent: 4647435 (1987-03-01), Nonnenmann
patent: 4795615 (1989-01-01), Cyron et al.
patent: 4832998 (1989-05-01), Cyron
patent: 4847966 (1989-07-01), Kuchelmeister
patent: 4948353 (1990-08-01), Maus et al.

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