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:
Mar. 27, 2018
Filed:
Mar. 18, 2015
Mahle International Gmbh, Stuttgart, DE;
Eberhard Pantow, Winnenden, DE;
Martin Bauer, West Bloomfield, MI (US);
Peter Geskes, Ostfildern, DE;
Mahle International GmbH, , DE;
Abstract
The invention relates to an exhaust gas heat exchanger () with a housing (), in which a tube bundle () with multiple tubes () is held via headers (), wherein in the tubes () a first flow path for exhaust gas () and between the tubes () and the housing () a second flow path for coolant () runs, wherein the first longitudinal ends of the individual tubes () of the tube bundle () are incorporated in a first header () in a fixed manner, in particular welded or brazed. It is substantial to the invention that at least one of the tubes () is axially moveable in the region of a second longitudinal end relative to the second header () and captive therein.