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Title:
ROTOR FOR ROTARY ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2019129601
Kind Code:
A
Abstract:
To provide a rotor for a rotary electric machine which allows a reduction in component size and manufacturing cost.SOLUTION: A rotor 10 for a rotary electric machine comprises: a rotor core 12 which has a shaft hole 26 extending to the center, and a plurality of magnet holes 22 and 24; a permanent magnet 14 inserted into the magnet hole 22; and a rotary shaft 16 inserted through the shaft hole 26 so as to be fixed to the shaft hole via one or more fitting parts 20. In each of the fitting parts 20, fitting grooves 34 provided on one of an outer peripheral surface of the rotary shaft 16 and an inner peripheral surface of the shaft hole are fitted to fitting projections 32 provided on the other one of the two surfaces. Each of the fitting parts 20 is arranged at a position that does not circumferentially overlap with a bridge part 25, which is a minute gap between two magnet holes 22a and 24a circumferentially adjacent to each other.SELECTED DRAWING: Figure 1

Inventors:
SANO SHINYA
ANAI MINORU
Application Number:
JP2018009882A
Publication Date:
August 01, 2019
Filing Date:
January 24, 2018
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
H02K1/22; H02K1/28
Domestic Patent References:
JP2011147310A2011-07-28
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office