Patent · US Expired

Process and apparatus for producing a linkage of an air/fuel ratio detector holder to an exhaust pipe

US6092285A · kind A · utility

0Cited by

10References

8Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Pierre Bonny · Hamburg, DE
Thomas Huelsberg · Schwäbisch Hall, DE

Key dates

Filing date	Aug 3, 1998
Grant date	Jul 25, 2000
Priority date	—
Expiry date	Aug 3, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/53122
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A process and a device produces a linkage of a hollow cylindrical air/fuel ratio detector holder to an opening for the impingement of the air/fuel ratio detector, which is fastened into the holder, to an exhaust pipe equipped with exhaust gas. A desired finished shape is given through internal high-pressure remodeling of a blank pipe. During this process, internal high-pressure remodeling creates a contact surface on the exhaust pipe which is formed by a buckling. The contact surface is created in the inverted shape of the contact contour of the casing surface of the holder so that a dimensionally stable linkage of an air/fuel ratio detector holder to an exhaust pipe is achieved simply.

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