Bearings – Rotary bearing – Fluid bearing
Reexamination Certificate
2008-05-12
2009-10-20
Hannon, Thomas R (Department: 3656)
Bearings
Rotary bearing
Fluid bearing
C384S119000
Reexamination Certificate
active
07604411
ABSTRACT:
An inner space of a housing sealed with a seal member as well as internal pores of a bearing member (pores in a porous structure) are filled with a lubricating oil without the presence of air, so that the oil surface of the lubricating oil is within a seal space. Under a reduced pressure of 100 Torr, no lubricating oil leaks outside of the housing even at any attitude of the fluid lubricated bearing device such as normal, inverted, or horizontal attitude.
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Kawase Tatsuo
Kurimura Tetsuya
Yamamoto Yasuhiro
Hannon Thomas R
J.C. Patents
NTN Corporation
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