ROTOR AND INTERIOR PERMANENT MAGNET MOTOR

Title:

ROTOR AND INTERIOR PERMANENT MAGNET MOTOR

Document Type and Number:

WIPO Patent Application WO/2013/061427

Kind Code:

A1

Abstract:

This rotor for constructing an interior permanent magnet motor is equipped with: magnets (2-1 to 2-6) to be inserted into the rotor; and rotor core (1) on which magnet insertion holes for inserting the magnets (2-1 to 2-6) are formed. The magnet insertion holes are formed such that when the magnets (2-1 to 2-6) are inserted, air gaps (21, 22) are formed in both end regions of the magnets (2-1 to 2-6) in the circumferential direction, except at both ends of the surfaces of the magnets on the inner circumference side.

Inventors:

TSUCHIDA KAZUCHIKA (JP)
NIGO MASAHIRO (JP)
YABE KOJI (JP)
OIKAWA TOMOAKI (JP)

Application Number:

PCT/JP2011/074702

Publication Date:

May 02, 2013

Filing Date:

October 26, 2011

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)
TSUCHIDA KAZUCHIKA (JP)
NIGO MASAHIRO (JP)
YABE KOJI (JP)
OIKAWA TOMOAKI (JP)

International Classes:

H02K1/27

Domestic Patent References:

WO2010058609A1

2010-05-27

Foreign References:

JPH11146584A	1999-05-28
JP2007060755A	2007-03-08
JP2010016952A	2010-01-21
JPH10136595A	1998-05-22
JP2007014199A	2007-01-18

Other References: