PTC Heating Element, Electric Heating Device and Use of a PTC Heating Element
AssigneeTDK Electronics Co., Ltd.
InventorsMarkus Koini, Michael Krenn, Markus Puff, Stephan Bigl
Life of this patent
Estimating the term…
Abstract
A PTC heating element for an electric heater having a PTC element, an electrode formed on a surface of the PTC element for electrically contacting the PTC element, at least one additional contact for electrically connecting the electrode of the PTC element, and a carrier layer. The carrier layer is electrically insulating, the thickness of the PTC element is ≤500 μm, and the installation height of the PTC heating element is between 500 μm and 2500 μm. Also disclosed is an electric heater and use of the PTC heating element in a motor vehicle.
Claims34
A PTC heating element for an electric heating device comprising
- at least one PTC element, wherein at least one electrode is provided on a surface of the PTC element for electrically contacting the PTC element,
- at least one further contact for electrical connection of the electrode of the PTC element,
- at least one carrier layer, the carrier layer being electrically insulating,
- wherein a thickness of the PTC element is ≤500 μm and wherein a height of the PTC heating element is between 500 μm and 2500 μm.
Dependencies are inferred from the claim text.