Patent · US Active

Method for producing a heating rod

US9486871B2 · kind B2 · utility

0Cited by

3References

12Claims

0Family size

Assignee

BorgWarner Ludwigsburg GmbH · DE

Inventors

Thomas Giffels · Stuttgart, DE
Ralph Waechter · Kaiseraugst, CH
Michael Luppold · Germersheim, DE
Alexander Dauth · Maulbronn, DE
Klaus Lehmann · Rochlitz, DE

Key dates

Filing date	Aug 27, 2013
Grant date	Nov 8, 2016
Priority date	—
Expiry date	Dec 28, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH05B2203/023
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

This disclosure relates to a method for producing a heating rod for a vehicle heating apparatus, said method comprising the following steps: arranging at least one PTC element and at least one contact element in a tube, which is formed from sheet metal and is open along a longitudinal side; welding portions of the sheet metal that bear against one another by means of a weld seam running in the longitudinal direction of the tube. This disclosure also relates to such a heating rod.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.