RESIN-SEALED ELECTROMAGNETIC WINDING

Japanese Patent JPH06197484

A

PURPOSE: To reduce the magnetic reluctance of an electromagnetic winding part without spoiling the reliability of the electromagnetic winding part and to achieve the high output of a motor by a method wherein at least the electromagnetic winding part is sealed with a resin in which one part or the total amount of a nonmagnetic inorganic filler has been replaced by a soft magnetic ferrite fire powder having a specific average particle diameter.

CONSTITUTION: A sealing resin 1A in which one part or the total amount of a nonmagnetic inorganic filler has been replaced by a soft magnetic ferrite whose average particle diameter is 10μm or lower such as Fin-Zn. Ni-Zn or the like is formed. Then, an electromagnetic winding 1B is sealed with the formed sealing resin 1A by an injection molding operation, and a resin-sealed electromagnetic winding is formed. Thereby, while the reliability such as the dimensional stability, the heat dissipating property or the like of the resin-sealed electromagnetic winding is being maintained, a high output by about 15% can be achieved.

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YAMASHITA FUMITOSHI
MORINO NAOAKI
YOSHIMURA TAKESHI
NAKAMURA YUICHI

JP34617692A

July 15, 1994

December 25, 1992

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MATSUSHITA ELECTRIC IND CO LTD

H02K3/30; H02K3/44; H02K15/12; (IPC1-7): H02K3/30; H02K3/44; H02K15/12

Akira Kobiji (2 outside)

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