Hydrodynamic bearing

Details Hydrodynamic bearing Hydrodynamic bearing

1997-05-13

1999-03-09

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384112, 384113, F16C 1710

Patent

active

058790845

ABSTRACT:
A hydrodynamic bearing according to this invention and an electric motor with this hydrodynamic bearing include a shaft having a lubricating-fluid filling hole, one end of which is open toward the outside of the motor and the other end of which leads to the gap between the shaft and a sleeve in which lubricating fluid is filled. At least part of the filling hole except for the opening facing the outside of the motor has a smaller diameter than that of the outer opening. An elastic member formed of elastic material is inserted into the lubricating fluid fillng hole.

REFERENCES:
patent: 4805972 (1989-02-01), Tanaka et al.
patent: 5524728 (1996-06-01), Williams et al.

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