Invention Grant
- Patent Title: Line start two-speed brushless motor
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Application No.: US15824092Application Date: 2017-11-28
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Publication No.: US10916997B2Publication Date: 2021-02-09
- Inventor: Jacek F. Gieras
- Applicant: Hamilton Sundstrand Corporation
- Applicant Address: US NC Charlotte
- Assignee: Hamilton Sundstrand Corporation
- Current Assignee: Hamilton Sundstrand Corporation
- Current Assignee Address: US NC Charlotte
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: H02P25/00
- IPC: H02P25/00 ; H03K3/00 ; H02P6/00 ; H02P6/14 ; H02K21/46 ; H02K21/14 ; H02P25/03 ; H02K1/12 ; H02P25/08 ; H02K1/27 ; H02P25/20 ; H02K1/24 ; H02P1/48 ; H02K11/33 ; H02K3/28

Abstract:
An electric motor is disclosed that includes a stator winding defining a plurality of poles, with the winding being controllable to switch between a first number of poles and a second number of poles. A rotor rotatable within the stator includes a first group of magnetic flux barriers being without permanent magnet material and a second group of magnetic flux barriers at least partially filled with a permanent magnet material. A method of operating a line-start electric motor is also disclosed.
Public/Granted literature
- US20190165661A1 LINE START TWO-SPEED BRUSHLESS MOTOR Public/Granted day:2019-05-30
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