Title:
MAGNETIC BEARING AND COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2023/226404
Kind Code:
A1
Abstract:
The present disclosure provides a magnetic bearing and a compressor. The magnetic bearing comprises an outer iron core; a first iron core is sleeved in the outer iron core; a permanent magnet is provided between the first iron core and the outer iron core; a bearing rotor is sleeved in the first iron core; a first coil is provided on only one side of the first iron core in the axial direction; the first coil may generate a magnetic field when energized; the first coil can work in conjunction with the permanent magnet to generate axial magnetic force on the bearing rotor, so that the bearing rotor is axially suspended; a second coil is wound on the first iron core; the second coil may generate a magnetic field when energized; and the second coil can work in conjunction with the permanent magnet to generate radial magnetic force on the bearing rotor, so that the bearing rotor is radially suspended. According to the present disclosure, the defects in the related art that two axial coils are required, the cost is high, and the axial coils occupy a large space can be overcome.
More Like This:
| JPS6039753 | [Title of the device] Free piston type thermomotor |
| JP4179015 | High speed spindle device |
| JP2023181092 | MULTI-ANGLE AERIAL PHOTOGRAPHING STABILIZER |
Inventors:
CHEN YANXIA (CN)
ZHANG LIZE (CN)
WU RUI (CN)
DONG RUHAO (CN)
LIU ZHANQIN (CN)
ZHANG LIZE (CN)
WU RUI (CN)
DONG RUHAO (CN)
LIU ZHANQIN (CN)
Application Number:
PCT/CN2022/140855
Publication Date:
November 30, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F16C32/04; F04B39/00
Foreign References:
| CN115013435A | 2022-09-06 | |||
| CN217440578U | 2022-09-16 | |||
| CN108087321A | 2018-05-29 | |||
| CN110848253A | 2020-02-28 | |||
| CN108644230A | 2018-10-12 | |||
| CN110469584A | 2019-11-19 | |||
| CN108591259A | 2018-09-28 | |||
| CN112727924A | 2021-04-30 | |||
| JP2003339136A | 2003-11-28 | |||
| JPH07208470A | 1995-08-11 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
Download PDF:
Previous Patent: CALIBRATION BOARD AND CALIBRATION CONTROL DEVICE
Next Patent: MAGNETIC BEARING, COMPRESSOR AND AIR CONDITIONER
Next Patent: MAGNETIC BEARING, COMPRESSOR AND AIR CONDITIONER