Title:
CENTRIFUGE
Document Type and Number:
WIPO Patent Application WO/2022/222562
Kind Code:
A1
Abstract:
A centrifuge, comprising a centrifugal chamber (1) and a power chamber. A centrifugal rotary head (11) is disposed in the centrifugal chamber (1). An electric motor (5) and an electric motor shaft (2) are disposed in the power chamber. A magnetic suspension bearing and a position sensor are also arranged in the power chamber. The magnetic suspension bearing comprises a radial magnetic suspension bearing set and an axial magnetic suspension bearing set (3). An axial position sensor (6) is used for monitoring the axial displacement of the electric motor shaft (2). A radial position sensor is used for monitoring the radial displacement of the electric motor shaft. The axial magnetic suspension bearing is located at the upper part of the electric motor. The axial magnetic suspension bearing set comprises an axial upward magnetic suspension bearing (31), an axial downward magnetic suspension bearing (32) and an electric motor shaft axial force bearing member (33). The electric motor shaft axial force bearing member (33) is connected to the electric motor shaft (2). The electric motor shaft axial force bearing member (33) is disposed between the axial upward magnetic suspension bearing (31) and the axial downward magnetic suspension bearing (32).
Inventors:
HAN RUNHU (CN)
LIU ZHANJIE (CN)
LIU ZHANJIE (CN)
Application Number:
PCT/CN2022/072810
Publication Date:
October 27, 2022
Filing Date:
January 19, 2022
Export Citation:
Assignee:
QINGDAO HAIER BIOMEDICAL TECH CO LTD (CN)
QINGDAO HAIER BIOMEDICAL CO LTD (CN)
QINGDAO HAIER BIOMEDICAL CO LTD (CN)
International Classes:
F16C32/04; B04B9/02; B04B13/00; H02K5/16
Foreign References:
| CN215567324U | 2022-01-18 | |||
| CN215567323U | 2022-01-18 | |||
| CN112467932A | 2021-03-09 | |||
| JP3072099U | 2000-09-29 | |||
| US6057620A | 2000-05-02 | |||
| US20180238386A1 | 2018-08-23 | |||
| JPH09166139A | 1997-06-24 | |||
| JP2018129882A | 2018-08-16 | |||
| US20020047400A1 | 2002-04-25 | |||
| US20050212370A1 | 2005-09-29 |
Attorney, Agent or Firm:
QINGDAO ZHONGJIA STANDARD PATENT AGENCY CO., LTD (CN)
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