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. 12, 1998
Filed:
Dec. 16, 1996
Applicant:
Inventors:
Herbert Damsohn, Aichwald, DE;
Albert Schmitz, Simmozheim, DE;
Assignee:
BEHR GmbH & Co., Stuttgart, DE;
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165178 ; 165158 ; 165173 ; 21912164 ; 228183 ;
Abstract
A heat exchanger assembly and method of making same are disclosed. A plurality of thin walled aluminum tubes are connected to a tube bottom. The tubes are first inserted into the tube support openings in the tube bottom with tube ends flush with a collecting space side of the tube bottom. The tube ends are then welded by a laser beam guided around the circumference of the respective tube ends.