Title:
CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/199750
Kind Code:
A1
Abstract:
According to the present invention, a first thrust magnetic bearing (50) is axially disposed between a motor rotor (12) and an impeller (21). A second thrust magnetic bearing (60) is disposed closer to one axial side than the motor rotor (12) in the axial direction. Magnetic attractive force to the other axial side of the second thrust magnetic bearing (60) is greater than the magnetic attractive force to the other axial side of the first thrust magnetic bearing (50).
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Inventors:
OKADA KUUMA (JP)
FUJIWARA HIDEKI (JP)
FUJIWARA HIDEKI (JP)
Application Number:
PCT/JP2021/005843
Publication Date:
October 07, 2021
Filing Date:
February 17, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04D29/051; F04D29/056; F04D29/058; F16C32/04
Foreign References:
| JP2019173823A | 2019-10-10 | |||
| JP2013050180A | 2013-03-14 | |||
| JP2014231827A | 2014-12-11 | |||
| JP2019173823A | 2019-10-10 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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