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    • 6. 发明公开
    • STATOR ASSEMBLING METHOD AND STATOR
    • EP3145058A4
    • 2017-10-18
    • EP15837960
    • 2015-08-31
    • AISIN AW CO
    • HASHIMOTO SHINGOSATO SHINGOIWATSUKI KAZUYAKOGA KIYOTAKAHIRABARU KOJI
    • H02K3/12H02K3/04H02K15/06
    • H02K3/28H02K3/04H02K3/12H02K15/0435H02K15/06H02K15/066
    • A stator assembling method for mounting a plurality of concentrically wound coils to an annular stator core, each of the concentrically wound coils being formed by winding a conductive wire for a plurality of turns, each of the concentrically wound coils having planned slot accommodation portions and planned coil end portions, the annular stator core having slots formed between adjacent teeth extending from a back yoke to a radially inner side, a spacing between the slots being widened toward a radially outer side. The stator assembling method includes the step of forming a coil assembly in which the plurality of the concentrically wound coils are disposed annularly and the step of pushing the coil assembly disposed in a space on an inner diameter side of the stator core to an outer diameter side and inserting the plurality of the concentrically wound coils into the slots of the stator core, in which each of the plurality of the concentrically wound coils has vertexes oriented outward in a axial direction in the planned coil end portions, and a distance in the axial direction between the vertexes of the planned coil end portions on both sides in the axial direction of each of the plurality of concentrically wound coils is gradually reduced toward the conductive wire mounted on the inner diameter side of the stator core from the conductive wire mounted on the outer diameter side of the stator core.
    • 7. 发明专利
    • Method for manufacturing coil
    • 制造线圈的方法
    • JP2013251997A
    • 2013-12-12
    • JP2012125485
    • 2012-05-31
    • Aisin Aw Co Ltdアイシン・エィ・ダブリュ株式会社Toyota Motor Corpトヨタ自動車株式会社
    • HASHIMOTO SHINGOTANAKA HIROYUKIOTA TAKANORIIWATSUKI KAZUYAKITAMURA MANABUWATANABE ATSUSHIYAMADA TAKASHI
    • H02K15/04H02K3/04H02K15/085
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a coil allowing miniaturization of a coil end in a stator.SOLUTION: A method for manufacturing a coil includes: a crank forming step of forming a step on each of flat conductors 10; a winding step of forming winding 46 with a pair of inside-slot-disposed parts 48 and coil end planned parts 50 and 52 by laminating the flat conductors 10 adjacent to each other while winding the flat conductors 10 with the molded steps into a circle; a shift forming step of forming a clearance δ between the flat conductors 10 adjacent to each other; a convex forming step of forming the coil end planned parts 50 and 52 into a convex shape; an opening forming step of performing forming so that the distance between the pair of inside-slot-disposed parts 48 is gradually increased in a lamination direction of the flat conductors 10; and an arc forming step of forming edges 28 and 30 of the coil end planned part 50 into an arc shape.
    • 要解决的问题:提供一种用于制造线圈端子在定子中的小型化的线圈的方法。解决方案:一种用于制造线圈的方法,包括:在每个扁平导体10上形成台阶的曲柄形成步骤; 通过在将扁平导体10与模制步骤缠绕成圆形的同时层叠彼此相邻的扁平导体10而形成具有一对内槽设置部48和线圈端部规划部50和52的绕组46的卷绕步骤; 在彼此相邻的扁平导体10之间形成间隙δ的换档形成步骤; 将所述线圈端部规定部50,52形成为凸状的凸形成工序; 开口形成步骤,进行成形,使得一对内槽配置部48之间的距离在扁平导体10的层叠方向上逐渐增大; 以及将线圈端部规定部50的边缘28,30形成为圆弧状的电弧形成工序。