Patent ID: 11929646
Assignee: SAFRAN ELECTRICAL & POWER
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 12:
13. A method of manufacturing a rotor for an electric machine for an aircraft, the method comprising the steps of:
providing a unitary soft magnetic material having a core pack portion with a first external diameter and a shaft portion with a second external diameter, the first external diameter being greater than the second external diameter; and
providing at least one rotor feature by performing a material removal process upon the unitary soft magnetic material such that the core pack portion, a back iron portion, and the shaft portion are formed of the unitary soft magnetic material;
wherein the back iron portion is configured to provide a path for magnetic flux to flow between adjacent poles of the core pack portion and is at least partially formed by the shaft portion.