SALIENT-POLE ROTOR, AND ROTOR MANUFACTURING METHOD

Title:

SALIENT-POLE ROTOR, AND ROTOR MANUFACTURING METHOD

Document Type and Number:

WIPO Patent Application WO/2017/154156

Kind Code:

A1

Abstract:

A salient-pole rotor (16A) is equipped with a magnetic pole portion (22A), which is equipped with a plurality of protruding portions (27A). The protruding portions (27A) are provided spaced apart in the circumferential direction of a rotary shaft (20) so as to protrude radially outward from a base portion (26A), and has an outer peripheral surface along a virtual cylindrical surface. The magnetic pole portion (22A) is equipped with a recessed reinforcing portion (23A) that is provided within recessed portions (29A) and a cylindrical reinforcing portion (24) that covers the magnetic pole portion (22A) and the outer peripheral surface of the recessed reinforcing portion (23A). The base portion (26A) is equipped with a plurality of radially-spaced-apart slits (28) extending in the circumferential direction. The interior of the slits (28) is equipped with a slit reinforcing portion (25) comprising a nonmagnetic material.

Inventors:

SAKAMOTO MUSASHI (JP)
YAMASHITA YUKIO (JP)

Application Number:

PCT/JP2016/057471

Publication Date:

September 14, 2017

Filing Date:

March 09, 2016

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)

International Classes:

H02K19/10; H02K1/24

Foreign References:

JP2014090646A	2014-05-15
JP2001186735A	2001-07-06
US20150015093A1	2015-01-15
JPH09201022A	1997-07-31
JP2011109774A	2011-06-02

Other References: