Hydrodynamic bearing assembly

Details Hydrodynamic bearing assembly Hydrodynamic bearing assembly

1995-06-07

1998-01-20

Nguyen, Matthew V.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 709

Patent

active

057104700

ABSTRACT:
A hydrodynamic bearing assembly includes a support shaft provided on a stationary member, a rotating member rotatably supported on the support shaft through a hydrodynamic radial bearing and a hydrodynamic thrust bearing, a magnet provided at a stationary side, and a magnetic member provided on the rotating member opposite the magnet. The magnetic member is attracted by the magnetic force from the magnet so that a force acting on the thrust hydrodynamic bearing is cancelled or reduced.

REFERENCES:
patent: 4167295 (1979-09-01), Glaser
patent: 4552417 (1985-11-01), Yamashita et al.
patent: 4570093 (1986-02-01), Morii et al.
patent: 4701651 (1987-10-01), Tanaka
patent: 4726640 (1988-02-01), Iwama et al.
patent: 4984881 (1991-01-01), Osada et al.
patent: 5019738 (1991-05-01), Weilbach et al.
patent: 5036235 (1991-07-01), Kleckner
patent: 5069515 (1991-12-01), Itami et al.

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