Patent · US Active

Method for producing a ceramic filter element and filter element

US8518143B2 · kind B2 · utility

0Cited by

7References

6Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Jochen Linhart · Waiblingen, DE
Sabine Otterbach · Bietigheim-Bissingen, DE
Kathrin Lichtenwalter · Nuremberg, DE

Key dates

Filing date	Aug 10, 2011
Grant date	Aug 27, 2013
Priority date	—
Expiry date	Aug 21, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a method for producing a ceramic filter element in an exhaust gas filter for an internal combustion engine, in particular a diesel particulate filter, wherein a base paper carrier web is soaked with a ceramic slip and then burnt out. The base paper carrier web uses a thickness and/or structure that varies over the width and/or length of the base paper carrier web.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.