Rotor with stress relaxation magnetic flux suppression holes with flux paths width less than length of the hole
Y Sugiura, M Ikemoto, N Saito, S Gangi… - US Patent …, 2021 - Google Patents
A rotor that includes a permanent magnet; and a rotor core that has a magnet placement
hole in which the permanent magnet is disposed, wherein the stress relaxation magnetic flux …
hole in which the permanent magnet is disposed, wherein the stress relaxation magnetic flux …