| 摘要 |
<p>A cooler (50) includes a circular pipe member (53) through which a heating medium circulates, and being in thermal contact with a power module (80) to cool the power module (80) with the heating medium flowing through an interior of the circular pipe member (53). An axially extending channel formation member (54) between which and an inner circumferential surface of the circular pipe member (53) a narrow channel (C0) for the heating medium is formed is provided in the circular pipe member (53).</p> |
