被形成为环形形状的本发明的定子（20），多个层叠在径向方向上的汇流条（25251〜254），汇流条（25），径向侧面（27B）和所述轴 相对的端面和（27A，27C），其覆盖所述绝缘构件（27），设置有绝缘部件（27）覆盖所述汇流条（25），径向侧表面（251B）和所述轴向端面（251℃） 它旨在包括片状绝缘部件（26A）。

The stator of the present invention (20) is formed in an annular shape, a plurality of bus bars (25,251～254) stacked in the radial direction, of the respective bus bars (25), radial side surfaces (27 b) and the shaft opposite end faces and (27a, 27c) covering the insulating member (27), provided with an insulating member (27) covers the bus bars (25), radial side surfaces (251b) and the axial end surface (251c) it is intended to include sheet-like insulating member (26a).