Patent ID: 11961650
Assignee: TDK ELECTRONICS AG
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A coil arrangement with reduced losses and a stabilized coupling factor, comprising:
a coil core;
a first winding having turns, the turns of the first winding being wound around an axis running through the coil core, wherein the turns of the first winding are distributed over two or more sections and the sections are spaced apart from one another;
a second winding having two or more sections, wherein turns of the sections of the second winding are wound around the axis of the first winding; and
a switch configured to (a) activate either the sections of the first winding or the two or more sections of the second winding, or (b) connect the sections of the first winding to the two or more sections of the second winding,
wherein at least one of the sections of the second winding is arranged between sections of the first winding along the axis.