ROTATING ELECTRIC MACHINE

摘要

The rotor of the rotating electric machine has: annular members (21) of annular shape encircling a rotating shaft from across a predetermined gap in the radial direction, and rotating about the shaft; seats secured to the outside peripheral surface at the radial outside of the annular members (21) so as to extend in the axial direction forming circumferential gaps (29) with respect to one another; and permanent magnet arrays (25) in which permanent magnets (24) are respectively arrayed in the axial direction in the seats, and positioned so as to form circumferential gaps (29) with respect to one another. A plurality of radial through-holes (28) are formed in the annular members (21) in sections thereof which face into the circumferential gaps (29), with radial through-holes (28) at identical locations in the axial direction being formed at equally spaced intervals in the circumferential direction. The rotor of the rotating electric machine can be efficiently cooled thereby.