Patent ID: 11964539
Assignee: EBERSPäCHER CATEM GMBH & CO. KG
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 0:
1. A control device for an electric heating device having a PTC element as an auxiliary heater in a motor vehicle, the control device comprising:
a control housing; and
a printed circuit board provided in the control housing, the printed circuit board being equipped with at least one power switch, wherein the power switch is applied against a cooling surface in a heat-conducting manner under a pretensioning force via an elastic pretensioning element, and wherein the pretensioning element is an elongated piece of a soft-elastic plastic part that is extruded with at least one through-hole extending in a direction substantially transverse to a transmission direction of the pretensioning force.