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:
Aug. 22, 2017
Filed:
Oct. 24, 2014
Applicant:
Borgwarner Ludwigsburg Gmbh, Ludwigsburg, DE;
Inventors:
Michael Luppold, Dettenheim, DE;
Alexander Dauth, Maulbronn, DE;
Klaus Lehmann, Oberderdingen, DE;
Bernd Halbrock, Königsbach-Stein, DE;
Assignee:
BorgWarner Ludwigsburg GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 9/12 (2006.01); F24H 1/10 (2006.01); B21D 53/08 (2006.01); F24H 3/04 (2006.01);
U.S. Cl.
CPC ...
F24H 1/102 (2013.01); B21D 53/08 (2013.01); F24H 3/0435 (2013.01); Y10T 29/49373 (2015.01);
Abstract
What is described is a method for manufacturing an electrical heating device, wherein electrical heating resistors are disposed in tubes of an extruded profile, and openings are cut into a plate of the extruded profile connecting the tubes. According to this disclosure, fastening sections of the extruded profile are plastically deformed and, by means thereof, heat sinks are fastened on the extruded profile. A corresponding electrical heating device is also described.