公开(公告)号：US20130214636A1

公开(公告)日：2013-08-22

申请号：US13765169

申请日：2013-02-12

Applicant: HITACHI, LTD.

Inventor： Ryosuke UMEZU ,  Yasuaki KAGEYAMA ,  Juichi ENYAMA ,  Seunghwan PARK ,  Satoshi HIRANO

IPC: H02K15/02 ,  H02K3/14

CPC classification number: H02K15/0068 ,  B23K1/0008 ,  B23K20/122 ,  H02K3/14 ,  H02K3/28 ,  H02K3/46 ,  H02K3/51 ,  H02K15/02 ,  H02K15/0414 ,  Y10T29/49012

Abstract: A rotor coil for a revolving armature includes a strand coil that includes a part arranged in a core slot of the rotor and is composed of a plurality of element wires; and a solid coil welded to an end of the strand coil wherein the end of the strand coil and an end of the solid coil are welded by friction stir welding. A manufacturing method of a rotor coil includes the step of performing friction stir welding wherein the friction stir welding is performed for the butt joint with the end of the strand coil arranged in an advancing side defined by a rotation direction of a tool and with the solid coil arranged in a retreating side.

Abstract translation: 用于旋转电枢的转子线圈包括：线圈，其包括布置在转子的芯槽中的部分，并且由多个元件线组成; 以及焊接在线股线圈末端的固体线圈，其中，通过摩擦搅拌焊接焊接股线圈的端部和固体线圈的端部。 转子线圈的制造方法包括进行摩擦搅拌焊接的步骤，其中对于与由工具的旋转方向限定的前进侧中的线股线圈的端部进行摩擦搅拌焊接，并且固体 线圈布置在后退侧。