MAGNETIC LEVITATION BEARING, MAGNETIC LEVITATION ROTOR SUPPORT ASSEMBLY, AND COMPRESSOR - GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI

Title:

MAGNETIC LEVITATION BEARING, MAGNETIC LEVITATION ROTOR SUPPORT ASSEMBLY, AND COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2019/119973

Kind Code:

A1

Abstract:

A magnetic levitation bearing, a magnetic levitation rotor support assembly, and a compressor. The magnetic levitation bearing is used for supporting a rotor by acting with a thrust disc (2) on the rotor, and comprises: a radial stator iron core (5) in an annular structure which is provided on the radial outer side of the thrust disc (2) and corresponds to the thrust disc (2) in an axial direction of the rotor, the radial stator iron core (5) and the thrust disc (2) being separated by a first radial gap X1; and a radial control coil (4) which is provided on the radial stator iron core (5) and can generate radial electromagnetic force to the thrust disc (2) in a radial direction of the rotor. The magnetic levitation bearing can generate controllable radial electromagnetic force to the thrust disc in a radial direction of the rotor, and therefore, higher flexibility of the bearing can be designed, and the application range of the bearing can be effectively widened.

Inventors:

ZHANG XIAOBO (CN)
GONG GAO (CN)
HU YUSHENG (CN)
LIU JIANNING (CN)
ZHANG FANG (CN)
TIAN SIYUAN (CN)
ZHANG CHAO (CN)
SU JIUZHAN (CN)
LI XIN (CN)

Application Number:

PCT/CN2018/112312

Publication Date:

June 27, 2019

Filing Date:

October 29, 2018

Export Citation:

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Assignee:

GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI (CN)

International Classes:

F16C32/04

Foreign References:

CN101235848A	2008-08-06
CN207848018U	2018-09-11
CN108087321A	2018-05-29
CN105650117A	2016-06-08
CN107165936A	2017-09-15
JP2016169809A	2016-09-23
US9157447B2	2015-10-13
JPH07243444A	1995-09-19
CN201711390234A	2017-12-21

Other References: