Patent · US Active

PTC heating cell

US12402212B2 · kind B2 · utility

0Cited by

1References

11Claims

0Family size

Assignee

Eberspächer Catem GmbH & Co. · DE

Inventors

Kurt Walz · Hagenbach, DE
Stefan Plewnia · Karlsruhe, DE
Sascha Barner · Hagenbach, DE

Key dates

Filing date	Nov 10, 2020
Grant date	Aug 26, 2025
Priority date	—
Expiry date	Jan 30, 2042

Classification

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

Abstract

A PTC heating cell has a cuboid-shaped PTC element and two metallizations electrically separated from each other and provided on the surface of the PTC element for the introduction of current to the PTC element. The two metallizations are provided as strips formed over an entire longitudinal extension (L) of the PTC element on diagonally oppositely disposed surface sections of the PTC element.

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