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. 30, 2025
Filed:
Sep. 10, 2020
Mahle International Gmbh, Stuttgart, DE;
Mahle International GmbH, , DE;
Abstract
The present disclosure describes a PTC heating device for, e.g., an air-conditioning system of a motor vehicle. The PTC heating device includes first and second PTC thermistors each having a first and second electrical contacting surface that lie opposite one another. The PTC thermistors are arranged sandwiched between a first and a second electrical insulation. A first electrical line path is arranged between the first PTC thermistors and the first electrical insulation. The first electrical line path is electrically connected to the first contacting surface of the first PTC thermistors. A second electrical line path is arranged between the second PTC thermistors and the first electrical insulation. The second electrical line path is electrically isolated from the first line path and electrically connected to the first contacting surface of the second electric PTC thermistors.