Invention Application
- Patent Title: ROTATING ELECTRIC MACHINE
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Application No.: US16333936Application Date: 2017-09-11
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Publication No.: US20190214894A1Publication Date: 2019-07-11
- Inventor: Yuuki TAKAHASHI
- Applicant: DENSO CORPORATION
- Applicant Address: JP Kariya-city, Aichi-pref.
- Assignee: DENSO CORPORATION
- Current Assignee: DENSO CORPORATION
- Current Assignee Address: JP Kariya-city, Aichi-pref.
- Priority: JP2016-180972 20160915
- International Application: PCT/JP2017/032623 WO 20170911
- Main IPC: H02K21/12
- IPC: H02K21/12 ; H02K1/14 ; H02K1/22 ; H02K1/24 ; H02K1/27

Abstract:
A rotating electric machine includes a stator and a rotor. The stator includes a stator core and an armature coil wound on the stator core. The rotor is arranged radially inside the stator to radially face the stator. The rotor includes: a field core having a plurality of magnetic pole portions for respectively forming a plurality of magnetic poles the polarities of which are alternately different in a circumferential direction; a field coil wound on the field core; and a tubular short-circuiting member that is arranged radially outside the magnetic pole portions to cover radially outer surfaces of the magnetic pole portions and magnetically connects each circumferentially-adjacent pair of the magnetic pole portions. Moreover, two axial end portions of the short-circuiting member protrude axially outward respectively from two axial ends of the stator core.
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