SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

The present invention relates a substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corruga...

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Bibliographische Detailangaben
Hauptverfasser: MAEKELAE JUHANI, VAKKILAINEN AULIS, MATILAINEN PEKKA, LAIHO JUHA
Format: Patent
Sprache:eng
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Zusammenfassung:The present invention relates a substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-0.5 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3).