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:
Jun. 04, 2019
Filed:
May. 29, 2016
Webasto SE, Stockdorf, DE;
Tino Klinkmüller, Stockdorf, DE;
Stephan Buckl, Stockdorf, DE;
Daniel Eckert, Stockdorf, DE;
Christian Hainzlmaier, Stockdorf, DE;
WEBASTO SE, Stockdorf, DE;
Abstract
An electric heating device includes a substrate and a heat conductor layer formed on the substrate. The heat conductor track includes a plurality of track sections which run adjacently to one another and are separated from one another by insulating interruptions. At least one reversal point is provided at which the heat conductor track is deflected such that inner track sections with opposite flow directions run adjacently and parallel to one another. The spacing between the adjacent inner track sections is locally expanded in the region of the reversal point where the inner track sections protrude outwards to outer track sections, and the width of the track sections is locally reduced in front of and in the outer track sections to compensate for the local expansion on the inner face between the inner track sections and for the protrusion of the inner track sections.