Honeycomb body with flexible connecting points, exhaust-gas treatment unit and motor vehicle
AssigneeEmitec Gesellschaft fur Emissionstechnologie mbH
InventorsROLF BRÜCK, PETER HIRTH, KAIT ALTHÖFER, WOLFGANG MAUS
Life of this patent
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Abstract
A honeycomb body is formed of at least one at least partially structured sheet-metal foil and has a plurality of channels. The sheet-metal foil has a course or profile direction and includes top-side connecting points and bottom-side connecting points to itself or to at least one additional smooth sheet-metal foil or structured sheet-metal foil. At least the top-side connecting points or bottom-side connecting points form a curved connection line and expansion joints between the respective connection points of the curved connection line. An exhaust-gas treatment unit and a motor vehicle are also provided.
Claims14
A honeycomb body, comprising:
- at least one at least partially structured sheet-metal foil and at least one smooth sheet-metal foil defining a multiplicity of channels therebetween;
- said at least one at least partially structured sheet-metal foil having a course direction and having top-side connecting points and bottom-side connecting points to itself or to at least one other smooth sheet-metal foil or structured sheet-metal foil;
- and
- at least said top-side connecting points or said bottom-side connecting points defining a curved connecting line and expansion joints formed between said connecting points of said curved connecting line.
Dependencies are inferred from the claim text.