Stator with exterior members over molded coils
AssigneeFanuc Corporation
InventorsKenji Kawai, Tatsuya Ooi
Life of this patent
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Abstract
A stator includes first exterior members that surround sides of outer circumferential portions of coil ends on both end sides of an iron core, second exterior members connected to the first exterior members, and which surround sides of end portions of the coil ends in the axial direction, and mold members that cover the coil ends and are placed in contact with the first exterior members and the second exterior members. Holes are formed in the second exterior member on one end side, and a surface that faces the mold member, of the second exterior member on the one end side, is inclined in a manner so that a thickness thereof becomes continuously thinner toward the holes.
Claims3
A stator possessed by an electric motor, the stator comprising:
- an iron core;
- a coil disposed in the iron core so as to include coil ends respectively on both of end sides of the iron core in an axial direction of the electric motor;
- first exterior members provided so as to surround sides of outer circumferential portions of the coil ends respectively on both of the end sides;
- second exterior members connected to the first exterior members and provided so as to surround sides of end portions of the coil ends in the axial direction respectively on both of the end sides;
- and
- mold members configured to cover the coil ends, and which are placed in contact with the first exterior members and the second exterior members respectively on both of the end sides;
- wherein a hole configured to penetrate through the second exterior member is formed in the second exterior member on one end side of both of the end sides;
- and
- a surface that faces the mold member, of the second exterior member on the one end side, is inclined in a manner so that a thickness of the second exterior member on the one end side becomes continuously thinner toward the hole, wherein the mold member on the one end side has a portion that extends into the hole.
Dependencies are inferred from the claim text.