| 摘要 |
A rotating electrical machine includes a cylindrical stator and a frame including a first portion and a second portion, the first portion being formed by reducing the diameter of the frame at a part of an outer peripheral surface such that the thickness of the frame at the part is reduced, the second portion having a larger thickness than the first portion, the stator being provided to an inner peripheral surface of the frame. The frame includes a containing portion, a first coolant path, and a second coolant path. The containing portion contains a thermal component, the first coolant path is formed between the containing portion and the stator, and the second coolant path is formed in the second portion.
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