Armature of rotating electrical machine

摘要

A coil end of a coil is insulated from a stator core by a molded member made of an insulating resin, and the coil, which is positioned in a slot, is insulated by insulating paper. In an armature of a rotating electrical machine, the molded member is divided into a first member and a second member that are rotatably coupled to each other by a hinge.

主权项

1. An armature of a rotating electrical machine comprising:
a stator core; an edgewise coil that is formed by bending a rectangular copper wire in an edgewise direction; and a molded member that is inserted into a coil end portion of the edgewise coil and is formed of an insulating member insulating the edgewise coil wound on a tooth of the stator core from the stator core and supporting the edgewise coil, wherein the molded member is formed of a first member and a second member, each of the first member and the second member includes a back portion, a coil mounting portion which extends from each back portion and on which the coil end of the edgewise coil is mounted, and a flange that is formed at a tooth tip of the coil mounting portion, the first member and the second member are coupled to each other by rotatable coupling means which provides a changeable space between the flanges of the coil mounting portions, so that the space between the flanges of the coil mounting portions are changeable before and after insertion of the coil mounting portions into the edgewise coil, the coil end of the edgewise coil is insulated by the molded member, and the edgewise coil positioned in a slot of the stator core is insulated from an inner wall of the slot by insulating paper, so that the insulating paper is provided between the edgewise coil and at least a portion of at least one of the first and second members and directly contacts a surface of the tooth of the stator core.