Patent ID: 8754559
Filing Date: 2014-06-17
Classification: H02K

Abstract:
1. A rotor, comprising: a shaft; a rotor core coaxially connected to the shaft; a first axial magnetic steel disposed at an end surface of the rotor core, wherein the first axial magnetic steel has a first magnetic pole facing the rotor core; a second axial magnetic steel disposed at the end surface of the rotor core, wherein the second axial magnetic steel has a second magnetic pole facing the rotor core; a rotor bushing disposed at a side of the first axial magnetic steel and the second axial magnetic steel opposite to the rotor core; and a first magnetic isolation groove formed in the rotor core along a radius direction of the rotor core, wherein the first magnetic isolation groove is disposed between the first axial magnetic steel and the second axial magnetic steel to isolate the first magnetic pole and the second magnetic pole.