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:
Jul. 04, 2017
Filed:
Dec. 14, 2011
Heinz Seiler, Munich, DE;
Norbert Botzenmayer, Benediktbeuern, DE;
Michael Zeyen, Herxheim, DE;
Dietmar Bytzek, Germersheim, DE;
Heinz Seiler, Munich, DE;
Norbert Botzenmayer, Benediktbeuern, DE;
Michael Zeyen, Herxheim, DE;
Dietmar Bytzek, Germersheim, DE;
WEBASTO SE, Stockdorf, DE;
Abstract
Electric heating having at least one first resistance heating device and a second resistance heating device, at least one pulse width modulation device, which is capable of a pulse width modulated operation of the first resistance heating device and/or the second resistance heating device, as well as at least one switching device. For a heating operation, the switching device can be capable of selectively switching the first resistance heating device and the second resistance heating device between a first heating mode in which the first resistance heating device and the second resistance heating device are electrically connected in series, and a second heating mode in which the first resistance heating device and the second resistance heating device are electrically connected in parallel. A vehicle having electric heating as well as to a method for controlling electric heating is also provided.