Heat generating element

摘要

A heat generating element for an electrical heating device of a motor vehicle has a positional frame, which forms a receptacle in which at least one PTC element is accommodated, and additionally has contact plates abutting on two oppositely situated sides of the PTC element. With a view to providing well-insulated support of the PTC element, several supporting points are arranged in circumferential direction of the receptacle.

主权项

1. A heat generating element for an electrical heating device of a motor vehicle, comprising:
a positional frame which forms a receptacle in which a PTC element is accommodated, abutting contact plates on two oppositely situated sides of the PTC element, and several supporting points provided in a circumferential direction of the receptacle, the supporting points being spaced apart in a circumferential direction of the receptacle and protruding beyond flat surface sections of the positional frame to define punctiform support portions supporting the PTC element for holding the PTC element at a distance to the flat surface sections of the positional frame, wherein the supporting points are formed such that they taper to a tip, and wherein at least one supporting point is in contact with the PTC element.