Patent ID: 8680435

Claim:
An electrical heating device comprising: a flat heating block, which is held in a housing forming oppositely situated frame openings and which comprises parallel layers of longitudinally extending heat dissipating and heat generating elements, wherein each of the heat generating elements has at least one PTC-heating element, sheet metal bands which contact opposite side surfaces of the at least one PTC-heating element, and a fitting element; wherein a plurality of fitting element receptacles is formed on the housing, wherein each of the fitting element receptacles is assigned to and receives a corresponding one of the fitting elements, wherein each fitting element is introduced into the assigned fitting element receptacle, and wherein at least one of the fitting element receptacles is formed with at least one of a different length in the longitudinal direction of the heat generating elements and a different width in a direction transverse to the heat generating elements than at least one other of the fitting element receptacles.