Iron core and motor
AssigneePanasonic Corporation
InventorsYukio Nishikawa, Taihei Okada, Tohru Kojima
Life of this patent
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Abstract
To provide an iron core and a motor for preventing reduction in motor drive efficiency. An iron core includes laminate section made up of a lamination of plural soft magnetic ribbons, fixed to metal substrate, and provided with winding, and fastening part that pressurizes laminate section in a lamination direction of soft magnetic ribbons. Also, the fastening part is disposed around an opening of through-hole that penetrates laminate section. Furthermore, a metal plate shaped so as not to cover winding section is provided between laminate section and fastening part. Besides, the motor includes a rotor and the iron core.
Claims15
An iron core comprising:
- a laminate section made up of a lamination of a plurality of ribbons, fixed to a substrate, and provided with a winding section;
- a fastening part that pressurizes the laminate section in a lamination direction of the ribbons;
- a metal plate located between the laminate section and the fastening part, and
- a magnetic steel sheet located between the laminate section and the metal plate.
Dependencies are inferred from the claim text.