Patent ID: 8809750

Claim:
An electric heater for heating surfaces of components, the electric heater comprising: an inner jacket with an inner jacket surface; an outer metal jacket arranged relative to the inner jacket surface such that a space is present between the inner metal jacket and outer metal jacket; at least one heat conductor arranged with heat conductor sections in the space between the inner metal jacket and the outer metal jacket; at least two spacers between the heat conductor and the inner metal jacket, said at least two spacers comprising a first spacer and a second spacer, at least some of the heat conductor sections being guided sections, with each of the guided sections being guided over one of the at least two spacers, at least two of said guided sections being arranged on said first spacer, said heat conductor sections comprising unguided sections, in which the heat conductor is not guided over one of the spacers, each of said unguided sections being present between two of said guided sections, said at least two of said guided sections being separated from each other via at least one of said guided sections guided on said second spacer and one or more said unguided sections.