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Title:
ROTATING ELECTRIC MACHINE SYNCHRONOUS ROTOR
Document Type and Number:
WIPO Patent Application WO/2015/198382
Kind Code:
A1
Abstract:
Provided is a rotating electric machine synchronous rotor in which the anti-centrifugal strength reliability of a rotor core can be improved. The rotating electric machine synchronous rotor (1) is equipped with: a cylindrical rotor core (2) formed by stacking a plurality of circular arc-shaped core plates (2a); and permanent magnets (3) buried in the rotor core (2), wherein joint portions (weld joint portions (11)) for joining the circular arc-shaped core plates (2a) stacked in a rotor axis (Ax) direction to each other are provided on an inner circumferential side of the rotor core (2), and the circular arc-shaped core plates (2a) include magnet holes (3a) opened on a plate outer circumferential side, and notch portions (6) formed by notching both ends (2PE, 2PE) of an inner circumferential surface (2IP) of the core plates (2a) while avoiding portions that become the joint portions (weld joint portions (11)).

Inventors:
MORISHITA MASAOMI (JP)
Application Number:
PCT/JP2014/066585
Publication Date:
December 30, 2015
Filing Date:
June 23, 2014
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
International Classes:
H02K1/27; H02K1/28
Foreign References:
JP2009060738A2009-03-19
JP2011229312A2011-11-10
Attorney, Agent or Firm:
NISHIWAKI, Tamio (JP)
Tamio Nishiwaki (JP)
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