Title:
【発明の名称】軸受装置
Document Type and Number:
Japanese Patent JP2516967
Kind Code:
B2
Abstract:
In a bearing unit using a hydrodynamic lubrication film (5 or 25) of a lubrication fluid, a shaft (2 or 22) comprises plural spiral grooves (6a, 6b or 26) thereon, at least one circumference groove (7a, 7b or 27) thereon and an inner passage ((8+9+10) or (29+30)), which leads the fluid pumped by the spiral grooves (6a, 6b or 26) to the circumferential groove (7a, 7b or 27), therein, thereby to produce both functions of a kinetic pressure bearing and a static pressure bearing.
Inventors:
MARUYAMA TERUO
Application Number:
JP10670387A
Publication Date:
July 24, 1996
Filing Date:
April 30, 1987
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F16C32/00; F16C33/10; F16C39/04; (IPC1-7): F16C32/00; F16C39/04
Domestic Patent References:
| JP5854223A | ||||
| JP59159416A |
Attorney, Agent or Firm:
Tomoyuki Takimoto