Patent ID: 7932657

Claim:
A rotor for a rotating electrical machine, comprising: a first flange member and a second flange member arranged so as to be capable of rotating around a common axis; a plurality of connection members arranged at predetermined distances therebetween in a circumferential direction with the axis being a center to connect outer peripheral portions of the first and second flange members together; and magnetic poles supported between the connection members which are adjacent in the circumferential direction, wherein the magnetic poles are movably supported by the connection members in the direction of the axis and the magnetic poles are biased and fixed in the direction of the axis with elastic members arranged between the magnetic poles and at least one of the first and second flange members, wherein a ring is arranged in a radially outer periphery of the connection member, and wherein at least one rotation-stopping protrusion is provided to protrude on a side edge of the ring.