Patent · US Active

Electric heating device

US8704139B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

BORGWARNER BERU SYSTEMS GMBH · DE

Inventors

Michael Luppold · Germersheim, DE
Alexander Dauth · Maulbronn, DE
Juergen Kochems · Mühlacker, DE
Klaus Lehmann · Rochlitz, DE
Joerg Weigold · Karlsruhe, DE
Hans-Peter Etzkorn · Bruchsal, DE

Key dates

Filing date	Apr 13, 2012
Grant date	Apr 22, 2014
Priority date	—
Expiry date	Aug 2, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH05B2203/023
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

The invention relates to a heating device comprising at least one tube housing in which at least one PTC heating element is arranged, and heat exchangers which are secured on the tube housing. According to the invention, it is provided that the heat exchangers are secured on the tube housing by stamping.

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