Patent ID: 9680342
Date: 2017-06-13
CPC Classifications: H02K

Claim:
1. A holding member used in a rotating electrical machine having a rotor including a rotating shaft, a sleeve fitted with an outer periphery of the rotating shaft by interference fit between tapered surfaces, and a plurality of magnets positioned on an outer peripheral surface of the sleeve, the holding member being positioned radially outside of the magnets and configured to radially inwardly press and hold the magnets, wherein the holding member comprises a cylindrical shape formed by spirally winding a fiber bundle on the outer periphery of the magnet, which is unbroken over at least one traverse, from one axial end to the other axial end of the rotor outside the outer periphery of the rotor, the one traverse at least including a section where the magnets are positioned, among sections between the one axial end the other axial end of the rotor, wherein the holding member is formed by a fiber reinforced resin including a resin as a matrix, and a termination treatment of at least a winding start end and