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:
May. 23, 2006
Filed:
Jan. 12, 2005
Applicant:
Winfried Juschka, Stuttgart, DE;
Inventor:
Winfried Juschka, Stuttgart, DE;
Assignee:
BEHR GmgH & Co. KG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat exchanger, in particular an exhaust gas heat exchanger for motor vehicles, has a bundle of tubes through which hot gas flows, a pair of header plates and a housing jacket, which holds the bundle of tubes and the header plates and through which a liquid cooling medium flows. The header plates have openings () for receiving tube ends () which are welded to the header plates (), which are in turn welded to the housing jacket. The header plates () are constructed from a plurality of layers of metal sheets which are layered one above another and are fixedly connected together.