Rotor of high-speed electric machine

摘要

PCT No. PCT/SU80/00110 Sec. 371 Date Feb. 11, 1982 Sec. 102(e) Date Feb. 11, 1982 PCT Filed Jun. 26, 1980 PCT Pub. No. WO82/00069 PCT Pub. Date Jan. 7, 1982.A rotor of a high-speed electric machine comprises a shaft 1, a magnetic ring 2 enclosing the shaft 1, a retaining ring 3, and permanent magnets 6 sisposed between the retaining ring 3 and the magnetic ring 2. The retaining ring 3 is secured to the shaft 1 by couplers, and a clearance 7 is provided between the permanent magnets 6 attached to the inside surface 5 of the retaining ring 3 and the magnetic ring 2.