Invention Grant
- Patent Title: Interior permanent magnet motor and rotor
- Patent Title (中): 内置永磁电动机和转子
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Application No.: US12114460Application Date: 2008-05-02
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Publication No.: US07923881B2Publication Date: 2011-04-12
- Inventor: Dan M. Ionel , Stephen J. Dellinger , Alan E. Lesak , Jeremiah Mattingly
- Applicant: Dan M. Ionel , Stephen J. Dellinger , Alan E. Lesak , Jeremiah Mattingly
- Applicant Address: US WI Milwaukee
- Assignee: A.O. Smith Corporation
- Current Assignee: A.O. Smith Corporation
- Current Assignee Address: US WI Milwaukee
- Agency: Michael Best & Friedrich LLP
- Main IPC: H02K21/12
- IPC: H02K21/12

Abstract:
An electric machine includes a stator and a rotor core positioned adjacent the stator and rotatable about a longitudinal axis. The rotor core includes a plurality of bar apertures, a plurality of elongated flux barriers separate from the bar apertures and positioned radially inward of the bar apertures, and a plurality of magnet slots separate from the bar slots and positioned radially inward of a portion of the bar apertures. The electric machine also includes a plurality of magnets, each positioned in one of the magnet slots. A plurality of conductive bars are each positioned in one of the bar apertures and includes a first end and a second end. A first end ring is coupled to the first end of each of the bars and a second end ring is coupled to the second end of each of the bars.
Public/Granted literature
- US20080272667A1 INTERIOR PERMANENT MAGNET MOTOR AND ROTOR Public/Granted day:2008-11-06
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