AIR-COOLED ROTARY DYNAMOELECTRIC MACHINE

摘要

There is provided a rotary electric machine comprising a rotary shaft, a plurality of spider arms projecting from the rotary shaft, an electromagnetic rotor device arranged on the outer periphery of the spider arms, an electromagnetic stator device arranged in spaced opposition to the electromagnetic rotor device, and an end cover covering an axial end of the electromagnetic stator device, wherein the inner end of the end cover is arranged midway on the radii of the spider arms.