Title:
FLUID BEARING DEVICE
Document Type and Number:
Japanese Patent JP2007040527
Kind Code:
A
Abstract:
To positively prevent an oil leakage from a fluid bearing device.
The fluid bearing device 1 comprises a shaft member 2 constituting a first seal part 14; a bearing member 17 with the shaft member 2 inserted in the inner periphery; a seal member 9 fixed to the bearing member 17 to constitute a second seal part 15; and a seal space S for preventing a leakage of lubricating oil. A recess 13 and an oil-repellent film 11 are formed at an upper end face 9c of the seal member 9, and the oil-repellent film 11 has the maximum thickness at a portion of the recess 13.
Inventors:
ITO KENJI
NIWA HIROSHI
NIWA HIROSHI
Application Number:
JP2006171628A
Publication Date:
February 15, 2007
Filing Date:
June 21, 2006
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/74; F16C17/02
Attorney, Agent or Firm:
Shogo Ehara
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
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