Title:
AIR BEARING, ROTOR SYSTEM, AND MICROTURBINE
Document Type and Number:
WIPO Patent Application WO/2021/129425
Kind Code:
A1
Abstract:
An air bearing, comprising: a bearing body (220), a bearing housing (230), a bearing end cover (240), and an anti-rotation component (250). The bearing body (220) is sleeved on a rotating shaft (110), and maintains a predetermined gap with the rotating shaft (110). The bearing housing (230) is covered on an axial end surface and the periphery of the bearing body (220). The bearing end cover (240) is sleeved on the rotating shaft (110) and abuts against one end surface of the bearing housing (230). The anti-rotation component (250) is provided between the bearing housing (230) and the bearing body (220), and connects the bearing housing (230) to the bearing body (220) to fix the bearing body (220) in the circumferential direction. The bearing body (220) is an annular cylinder. Orifices (270) are radially provided on the bearing body (220), and are variable diameter holes. The caliber of orifices (270) on an outer wall of the bearing body (220) is greater than that of orifices (270) on an inner wall of the bearing body (220). Annular slots (260) are circumferentially provided on the inner wall of the bearing body (220). The orifices (270) partially or entirely intersect the annular slots (260). The air bearing has advantages of stable operation and high efficiency. A rotor system comprising the air bearing and a microturbine comprising the rotor system.
Inventors:
JIN PU (CN)
LIU MUHUA (CN)
LIU MUHUA (CN)
Application Number:
PCT/CN2020/135892
Publication Date:
July 01, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
TECH XANADU OF RESONATORY SOLAR SYSTEMED CO LTD (CN)
International Classes:
F16C17/02; F01D25/16; F16C17/24; F16C32/06
Foreign References:
| CN111005936A | 2020-04-14 | |||
| CN211343700U | 2020-08-25 | |||
| CN108194507A | 2018-06-22 | |||
| CN107269702A | 2017-10-20 | |||
| JPS56134623A | 1981-10-21 | |||
| JPS63203918A | 1988-08-23 |
Attorney, Agent or Firm:
BEIJING JIATU PATENT ATTORNEY LAW FIRM (CN)
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