STATOR PART OF ROTARY ELECTRIC MACHINE, AND DEVICE EQUIPPED WITH THE SAME

• Main Authors: UKAJI HAJIME, OKADA YUKIHIRO, MAEKAWA TAKESHI, NUKADA KEIICHIRO, YOSHIKAWA YUICHI
• Format: Patent
• Language: English; Japanese
• Published: 27.07.2020
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

To provide a stator part, of a rotary electric machine, including a stator and capable of suppressing vibrations of the rotary electric machine by improving the rigidity of the stator part.SOLUTION: A stator part 3 of a rotary electric machine includes: a stator core 7 including yoke sections 7a each having a cylindrical shape and teeth sections 9 each projected from an inner surface of the yoke section 7a; a stator winding (not illustrated) in which a portion of each of the teeth sections 9 serves as a magnetic core; a stator core exterior body 1a having a cylindrical inner surface 1b in contact with a cylindrical outer surface 7b of the stator core 7; a cylindrical shape included in the stator core exterior body 1a; a configuration which includes polygonal outer surfaces 6 having polyhedron shapes at outer surfaces thereof respectively facing the cylindrical inner surfaces 1b included in the stator core exterior body 1a and in which the line segment direction of each ridge section 6b including a corner 6a of the polygonal outer surface 6 is the same as the axial direction of a virtual center axis 7d of the cylindrical shape of the stator core 7; and through holes 2 that are each positioned between the ridge section 6b and the cylindrical inner surface 1b and that penetrate in the same direction as the axial direction of the virtual center axis 7d.SELECTED DRAWING: Figure 1 【課題】固定子を含む固定子部について、固定子部の剛性を高めて剛体化することによって、回転機の振動を抑制可能な回転機の固定子部を提供すること。【解決手段】回転機の固定子部３は、円筒状形状を含むヨーク部７ａとヨーク部７ａの内面から突出するティース部９とを含む固定子鉄心７と、ティース部９の一部分を磁心とする固定子巻線（図示無し）と、固定子鉄心７の円筒外面７ｂと接する円筒内面１ｂを有する固定子鉄心外装体１ａと、固定子鉄心外装体１ａに含む筒状形状と、固定子鉄心外装体１ａに含む円筒内面１ｂに対する外面に多面体状の多角柱状外面６を含み、多角柱状外面６における角部６ａを含む稜線部６ｂの線分方向が固定子鉄心７の円筒状形状における仮想中心軸７ｄのアキシャル方向と同じ向きである構成と、稜線部６ｂと円筒内面１ｂとの間に位置し且つ仮想中心軸７ｄのアキシャル方向と同じ向きに貫通する挿通孔２と、を含む。【選択図】図１