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Patent Searching and Data


Title:
MAGNETIC BEARING AND HIGH-PERFORMANCE SERVO MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/259232
Kind Code:
A1
Abstract:
A magnetic bearing and a high-performance servo motor. The magnetic bearing comprises a housing, and is characterized by further comprising a fixed ring provided in the housing and a plurality of magnetic rollers provided circumferentially along the periphery of the fixed ring. The fixed ring comprises four circular rings concentrically provided and nested in sequence, and the four circular rings are sequentially a rare earth metal ring, a Teflon ring, a permanent magnet ring, and a copper ring from inside to outside; the magnetic rollers at least comprise a permanent magnet, and the polarity of the permanent magnet ring on the fixed ring is opposite to that of the permanent magnet of the magnetic rollers. The servo motor using the magnetic bearing provided by the present invention has a simple control circuit, a long service life and a fast rotation speed.

Inventors:
LI YUEQIN (CN)
Application Number:
PCT/CN2020/094049
Publication Date:
December 30, 2020
Filing Date:
June 03, 2020
Export Citation:
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Assignee:
LI YUEQIN (CN)
International Classes:
F16C32/04; H02P23/28; H02P27/08
Foreign References:
CN110417181A2019-11-05
CN104578560A2015-04-29
CN109099063A2018-12-28
CN108518422A2018-09-11
CN103244555A2013-08-14
JP2018174693A2018-11-08
Attorney, Agent or Firm:
BEIJING SOLAND PATENT & TRADEMARK AGENCY (CN)
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