Patent · US Expired

Device for catalytic cleaning of motor vehicle exhaust gases

US4927608A · kind A · utility

40Cited by

8References

10Claims

0Family size

Assignee

J. Eberspaecher GmbH & Co. KG · DE

Inventors

Siegfried Worner · Eßlingen, DE
Peter Zacke · Albershausen, DE
Georg Wirth · Kirchheim unter Teck, DE

Key dates

Filing date	Dec 31, 1987
Grant date	May 22, 1990
Priority date	—
Expiry date	Dec 31, 2007

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02A50/20
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A device for the catalytic cleaning of motor vehicle exhaust gases, comprises a housing having a central region with at least one monolith of a material such as a ceramic, an inner shell is arranged within the housing at least in places. The inner shell extends into at least one part of the monolith containing region of the housing and leads up to the monolith and is secured there. The end of the inner sheel at the end of the housing is free for thermal expansion motions relative to the housing.

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