发明名称 |
Bearing device |
摘要 |
A bearing device comprising a fixed shaft having a first radial bearing surface, a sleeve provided in a fitting relationship with the fixed shaft and having a second radial bearing surface opposed to the first radial bearing surface, the second radial bearing surface having herring-bone grooves thereon to form a radial gas bearing to support the sleeve with respect to the fixed shaft, and the fixed shaft having one end portion forming part of a magnetic thrust bearing of aspirating type to support the sleeve with respect to the fixed shaft.
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申请公布号 |
US5289067(A) |
申请公布日期 |
1994.02.22 |
申请号 |
US19930011980 |
申请日期 |
1993.02.01 |
申请人 |
NSK LTD. |
发明人 |
TANAKA, KATSUHIKO;SAKATANI, IKUNORI;YOSHIBA, TAKEYUKI;ENDO, SHIGERU |
分类号 |
F16C33/10;F16C39/06;H02K5/16;H02K7/09;(IPC1-7):H02K7/09 |
主分类号 |
F16C33/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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