Invention Application
US20160111945A1 METHOD FOR MANUFACTURING AN INTERIOR PERMANENT MAGNET ROTOR UNIT AND MAGNETIZING DEVICE
审中-公开
制造内置永磁电机转子单元和磁化装置的方法
- Patent Title: METHOD FOR MANUFACTURING AN INTERIOR PERMANENT MAGNET ROTOR UNIT AND MAGNETIZING DEVICE
- Patent Title (中): 制造内置永磁电机转子单元和磁化装置的方法
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Application No.: US14877193Application Date: 2015-10-07
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Publication No.: US20160111945A1Publication Date: 2016-04-21
- Inventor: Ryosuke YAMAGUCHI , Yoshihiro OONO , Naotake KANDA , Yoshiyuki SHIBATA
- Applicant: JTEKT CORPORATION
- Applicant Address: JP Osaka
- Assignee: JTEKT CORPORATION
- Current Assignee: JTEKT CORPORATION
- Current Assignee Address: JP Osaka
- Priority: JP2014-213701 20141020
- Main IPC: H02K15/03
- IPC: H02K15/03 ; H01F13/00

Abstract:
A radial magnetizing part including permanent magnets is disposed so as to face a rotor unit in a radial direction of the rotor unit. Axial magnetizing parts are disposed on both end faces in an axial direction of the rotor unit. The axial magnetizing parts include low magnetic permeability portions and high magnetic permeability portions. The low magnetic permeability portions are disposed so as to face magnet materials. Magnetic flux from the N pole of the permanent magnet of the radial magnetizing part enters a core in the radial direction, crosses the magnet material, and returns to the S pole of the permanent magnet. The magnetic flux from the N pole of the permanent magnet of the radial magnetizing part also enters the core through the high magnetic permeability portions of the axial magnetizing parts, crosses the magnet material, and returns to the S pole of the permanent magnet.
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