Patent ID: 11967868
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A helical metal body, comprising:
a metal body formed from at least one of copper or aluminum; and
wherein a outer contour of the metal body widens, at least in portions, along a longitudinal axis from a first end in a direction towards a second end , at least on a part of an axial length of the metal body, wherein one or more windings of the helix include a respective external delimitation surface, an internal delimitation surface, a first axial top surface, and a second axial top surface, wherein at least one of the first axial top surface or the second axial top surface of at least one winding of the one or more windings in a longitudinal section along the longitudinal axis of the metal body, include, with the longitudinal axis thereof, an angle α which is less than 90 degrees, and wherein the angle a is greater than 90 degrees—β, wherein β is a conical angle of the metal body.