Invention Grant
- Patent Title: Rotor for an electric machine and electric machine including the same
- Patent Title (中): 转子用于电机和包括其的电机
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Application No.: US14790648Application Date: 2015-07-02
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Publication No.: US09577481B2Publication Date: 2017-02-21
- Inventor: Jere Kolehmainen
- Applicant: ABB Technology AG
- Applicant Address: CH Baden
- Assignee: ABB Schweiz AG
- Current Assignee: ABB Schweiz AG
- Current Assignee Address: CH Baden
- Agency: Taft Stettinius & Hollister LLP
- Priority: EP13150103 20130103
- Main IPC: H02K1/24
- IPC: H02K1/24 ; H02K1/27

Abstract:
A rotor as disclosed for an electric machine which includes a rotor core having a plurality of rotor sheets stacked in an axial direction, each of the plurality of rotor sheets having a plurality of flux paths made of a material of high permeance, a plurality of flux barriers made of a material of low permeance, a plurality of bridges made of a material of high permeance, each of the plurality of bridges extending across a corresponding flux barrier, and at least one axial magnet located axially adjacent a corresponding bridge and configured to saturate the corresponding bridge, each axial magnet being axially pressed between two elements at least one of which is a bridge corresponding to the axial magnet.
Public/Granted literature
- US20150303748A1 ROTOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE INCLUDING THE SAME Public/Granted day:2015-10-22
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