Patent · US Expired

Heat exchanger for cooling exhaust gas and method of manufacturing same

US6944947B1 · kind B1 · utility

5Cited by

14References

7Claims

0Family size

Assignee

Behr GmbH & Co. · DE

Inventors

Herbert Damsohn · Esslingen am Neckar, DE
Thomas Karbach · Stuttgart, DE
Conrad Pfender · Besigheim, DE
Jan Wenzelburger · Eßlingen, DE

Key dates

Filing date	Nov 1, 1996
Grant date	Sep 20, 2005
Priority date	—
Expiry date	Nov 1, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49391
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A heat exchanger for cooling exhaust gas, around which liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.

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