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:
Nov. 27, 2001
Filed:
Dec. 23, 1997
Applicant:
Inventors:
Herbert Damsohn, Aichwald, DE;
Conrad Pfender, Besigheim, DE;
Assignee:
Behr GmbH & Co., Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 7/16 ; F28F 9/24 ; F28F 3/12 ; F28F 1/312 ;
U.S. Cl.
CPC ...
F28D 7/16 ; F28F 9/24 ; F28F 3/12 ; F28F 1/312 ;
Abstract
A heat transfer device, particularly an exhaust gas heat transfer device, having a tube bundle made of rectangular tubes for guiding the gas. A jacket surrounds the tube bundle; is used for guiding the liquid coolant and is equipped with a coolant inlet,and a coolant outlet,The rectangular tubes of the tube bundle,are provided with outwardly directed projections,which determine the distance of adjacent rectangular tubes with respect to one another and to the interior wall of the jacket