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US 5,627,147 AGranted
Lubricating fluid composition for dynamic pressure bearing
AssigneesSankyo Seiki Mfg. Co., Ltd., Taiho Industries Co., Ltd.
InventorsMasamichi Hayakawa, Toshihiro Kobayashi, Kazuya Shimizu, Yuusuke Matsumura, Masuhiro Onoyama, Katsumi Nagano
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Abstract
A lubricating fluid composition for dynamic pressure bearings which supports the shaft of the bearing by dynamic pressure, wherein the lubricating fluid composition comprises fine magnetic particles dispersed in a base oil solvent which comprises a hydrogenated poly-.alpha.-olefin (PAO) and a polyol ester.
Claims13
A lubricating fluid composition for dynamic pressure bearings which support the shaft of the bearing by dynamic pressure, comprising:
- said lubricating fluid composition including fine magnetic particles dispersed in a base oil solvent which comprises a hydrogenated poly-.alpha.-olefin (PAO) and a polyol ester.
Dependencies are inferred from the claim text.