Nonwoven fabric for exhaust-gas treatment, exhaust-gas purification device and method for producing a nonwoven fabric for exhaust-gas treatment
AssigneeEmitec Gesellschaft fur Emissionstechnologie mbH
InventorsHUBERTUS KOTTHOFF, STEFAN SEELIGER, DIETMAR CHAUCHET, LUDWIG WIERES
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Abstract
A nonwoven fabric for exhaust-gas treatment includes a multiplicity of metallic filaments having at least two types of different contours of the metallic filaments. An exhaust-gas purification device includes a channel structure through which exhaust gas can at least partially flow. The channel structure is made at least partially with such a nonwoven fabric. A method for producing a nonwoven fabric for exhaust-gas treatment is also provided.
Claims12
A nonwoven fabric for exhaust-gas treatment, the nonwoven fabric comprising:
- a multiplicity of metallic filaments;
- said metallic filaments having at least two types of different contours for exhaust-gas treatment.
A method for producing a nonwoven fabric for exhaust-gas treatment, the method comprising the following steps:
- generating a multiplicity of metallic filaments having at least two types of different contours for exhaust-gas treatment, by using different production methods.
Dependencies are inferred from the claim text.