Honeycomb body of sheet metal layers with reinforcing structures

Details Honeycomb body of sheet metal layers with reinforcing structures Honeycomb body of sheet metal layers with reinforcing structures

1998-04-20

2000-03-14

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422222, 502439, 50252718, B01D 5334

Patent

active

060369264

ABSTRACT:
A honeycomb body, in particular for a catalytic reactor for exhaust gases of an internal combustion engine of a motor vehicle, has passages through which a fluid can pass from one end to the other and structured, or smooth and structured, sheet metal layers. At least a part of the sheet metal layers has a thickness of less than 40.mu., preferably about 30.mu., and at least a part of the sheet metal layers with a thickness of less than 40.mu. has portions with additional reinforcing structures. The additional reinforcing structures are preferably bent-over portions in the region of one or both ends of the honeycomb body, in particular to a depth of from 1 to 10 mm, preferably about 3 to 5 mm, from the ends. The sheet metal layers can be joined together by brazing at least at a part of their contact locations, more particularly preferably in the regions of the additional reinforcing structures. The ends of the sheet metal layers may also be provided with reinforcing structures for better bonding to a tubular casing. The reinforcing structures at the ends may also be used in relation to thicker sheet metal layers for additional mechanical stiffening of a heavily loaded honeycomb body.

REFERENCES:
patent: 5102743 (1992-04-01), Maus et al.
patent: 5157010 (1992-10-01), Maus et al.
patent: 5240682 (1993-08-01), Cornelison et al.
patent: 5441706 (1995-08-01), Whittenberger
patent: 5795658 (1998-08-01), Bode et al.

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