The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2007
Filed:
Jun. 23, 2003
Applicants:
Steffen Brunner, Weissach Im Tal, DE;
Thomas Bächner, Dettingen, DE;
Bernd Grünenwald, Nürtingen, DE;
Joachim Schemel, Ebersbach, DE;
Inventors:
Steffen Brunner, Weissach Im Tal, DE;
Thomas Bächner, Dettingen, DE;
Bernd Grünenwald, Nürtingen, DE;
Joachim Schemel, Ebersbach, DE;
Assignee:
BEHR GmbH & Co., Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an exhaust gas heat exchanger for motor vehicles, comprising a cluster of exhaust pipes () which are soldered on the front surface thereof to pipe bottoms, and a housing jacket () which is welded to the pipe bottoms (). According to the invention, the pipe bottoms are welded to the housing jacket () by means of peripheral welds ().