Case,electric motor and method for producing the electric motor
AssigneeCalsonic Kansei Corporation
InventorsNarihito Sano, Setsuya Uchino, Shigenori Ohira
Life of this patent
Estimating the term…
Abstract
An electric motor comprises a yoke in which permanent magnets are held, the yoke including a cylindrical yoke body having a bottom and an auxiliary yoke in which the yoke body is fitted, at least one engaging opening provided in one of said yoke body and auxiliary yoke and a deformable band provided in the other of said yoke body and auxiliary yoke. The deformable band is fitted in the engaging opening in a state that the yoke body and auxiliary yoke are fitted.
Claims10
A case comprising:
- an outer cylindrical member;
- an inner cylindrical member fitted in said outer cylindrical member;
- at least one engaging opening provided in one of said inner and outer cylindrical members;
- a deformable band provided in the other of said inner and outer cylindrical members for inserting into said engaging opening;
- and
- a poisoning mechanism provided between said inner and outer cylindrical members to face said deformable band to said engaging opening.
An electric motor comprising:
- a yoke in which permanent magnets are held, said yoke including a cylindrical yoke body having a bottom and an auxiliary yoke in which said yoke body is fitted;
- at least one engaging opening provided in one of said yoke body and auxiliary yoke;
- and
- a deformable band provided in the other of said yoke body and auxiliary yoke,
- wherein said deformable band is fitted in said engaging opening in a state that said yoke body and auxiliary yoke are fitted.
A method for producing an electric motor, comprising the steps of:
- fitting a cylindrical yoke body into a cylindrical auxiliary yoke;
- rotating said auxiliary yoke relative to said yoke body;
- facing a deformable band provided on one of said auxiliary yoke and yoke body to an engaging opening provided on the other of said auxiliary yoke and yoke body by abutting a stopper provided on one of said auxiliary yoke and yoke body with a protrusion provided on the other of the auxiliary yoke and yoke body;
- and
- inserting said deformable band into said engaging opening.
Dependencies are inferred from the claim text.