Title:
MOTOR ROTOR
Document Type and Number:
Japanese Patent JP2015089305
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve durability.SOLUTION: Core plates 26, each having cut-out portions 27 formed on the inner peripheral side, are stacked on one another so as to form a key groove 24 on the inner peripheral side of a rotor core 22. A key groove 31 penetrating through the inner peripheral side and the outer peripheral side is formed at a position, on a shaft 30, matching the key groove 24 when the shaft 30 is inserted in a shaft hole 23 of the rotor core 22. With the key groove 24 of the rotor core 22 and the key groove 31 of the shaft 30 matched each other, a whirl-stop bar 40 is engaged and fixed into the key groove 24 and the key groove 31 by being press-fitted from the inner peripheral side of the shaft 30.
Inventors:
YOSHIKAWA MASATO
Application Number:
JP2013227948A
Publication Date:
May 07, 2015
Filing Date:
November 01, 2013
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02K1/28
Attorney, Agent or Firm:
Aitec International Patent Office
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