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:
Sep. 06, 2016
Filed:
Aug. 08, 2013
Applicant:
Borgwarner Beru Systems Gmbh, Ludwigsburg, DE;
Inventors:
Thomas Giffels, Stuttgart, DE;
Helmut Mueller, Hessigheim, DE;
Ralph Waechter, Pfinztal, DE;
Michael Stoerzinger, Bretten, DE;
Bernd Halbrock, Koenigsbach-Stein, DE;
Alexander Dauth, Maulbronn, DE;
Klaus Lehmann, Oberderdingen, DE;
Assignee:
BorgWarner Ludwigsburg GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 1/10 (2006.01); H05B 3/78 (2006.01); F24H 9/00 (2006.01); F24H 1/00 (2006.01); B60H 1/22 (2006.01); H05B 3/22 (2006.01); H05B 3/42 (2006.01);
U.S. Cl.
CPC ...
F24H 1/103 (2013.01); B60H 1/2221 (2013.01); F24H 1/009 (2013.01); F24H 1/102 (2013.01); F24H 9/0015 (2013.01); H05B 3/22 (2013.01); H05B 3/42 (2013.01); B60H 2001/2271 (2013.01); F24H 2250/04 (2013.01); H05B 2203/02 (2013.01); H05B 2203/021 (2013.01);
Abstract
The invention relates to a electric heating device for heating fluids, comprising at least one heating resistor, a screw, which defines a helical flow channel, and a tube housing, which surrounds the screw. In accordance with this disclosure, the screw has a core in which the at least one heating resistor is arranged.