Invention Grant
- Patent Title: Homopolar, flux-biased hysteresis bearingless motor
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Application No.: US15227256Application Date: 2016-08-03
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Publication No.: US10177627B2Publication Date: 2019-01-08
- Inventor: Minkyun Noh , David L. Trumper
- Applicant: Massachusetts Institute of Technology
- Applicant Address: US MA Cambridge
- Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
- Current Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
- Current Assignee Address: US MA Cambridge
- Agency: Daly, Crowley, Mofford & Durkee, LLP
- Main IPC: H02K19/08
- IPC: H02K19/08 ; H02K7/09 ; H02K19/10 ; H02K5/128 ; H02K7/14 ; F04D13/06 ; F04D25/06 ; F04D29/048 ; F04D29/058 ; H02K11/20

Abstract:
Described is a bearingless motor based upon a homopolar flux-biased magnetic bearing for force generation and a hysteresis motor for torque generation. The bearingless slice motor levitates and rotates a ring-shaped rotor made of a semi-hard magnetic material. The rotor is biased with a homopolar permanent-magnetic flux, on which 2-pole flux can be superimposed to generate suspension forces. Torque is generated by a hysteretic coupling between the rotor and a rotating multi-pole stator field.
Public/Granted literature
- US20170040868A1 Homopolar, Flux-Biased Hysteresis Bearingless Motor Public/Granted day:2017-02-09
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