ROTARY ELECTRIC MACHINE AND FAN MECHANISM

PROBLEM TO BE SOLVED: To achieve a reduction in start-up time of a rotary electric machine.SOLUTION: A rotary electric machine comprises: a rotor having a rotor shaft 11 and a rotor core; a stator having a stator core and a stator winding; a frame accommodating the rotor core and the stator; two bearings rotatably and pivotally supporting the rotor shaft 11; and a fan mechanism 100 attached to the rotor shaft 11 of an outside portion in a direction of a rotation axis of the rotor core. The fan mechanism 100 includes: a plurality of vanes 101 mutually disposed with intervals in a circumferential direction; and an elastic member applying restoring force for pulling back radial positions of the plurality of vanes 101 to a center direction of the rotation axis against centrifugal force acting on the plurality of vanes 101 in association with rotation of the rotor shaft 11.SELECTED DRAWING: Figure 2 【課題】回転電機の始動時間の低減を図る。【解決手段】回転電機は、ロータシャフト１１と回転子鉄心とを有する回転子と、固定子鉄心と固定子巻線とを有する固定子と、回転子鉄心と固定子とを収納するフレームと、ロータシャフト１１を回転可能に軸支する２つの軸受と、回転子鉄心の回転軸の方向の外側部分のロータシャフト１１に取り付けられたファン機構１００を備える。ファン機構１００は、周方向に互いに間隔をあけて配された複数の羽根１０１と、ロータシャフト１１の回転に伴い複数の羽根１０１に作用する遠心力に抗して羽根１０１の径方向位置を回転軸の中心方向に引き戻そうとする復元力を作用させる弾性部材とを有する。【選択図】図２