Patent · US Expired

Catalytic waste gas converter for combustion machines

US4374803A · kind A · utility

6Cited by

9References

15Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Gerhard Fratzer · Rheinfelden (Baden), DE
Bernhard Beck · Rheinfelden (Baden), DE

Key dates

Filing date	Nov 3, 1980
Grant date	Feb 22, 1983
Priority date	—
Expiry date	Nov 3, 2000

Classification

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

Abstract

There is disclosed a catalytic waste gas converter for internal combustion engines of various types in which there is used as carrier for the catalyst a carrier matrix made of a steel screen arranged in a housing holder. There are employed special flow guides made of spirally wound steel matrices for the various flow through possibilities favorable to conversion of the waste gas to be purified.

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