Kinetic pressure bearing motor

Details Kinetic pressure bearing motor Kinetic pressure bearing motor

2005-05-24

2005-05-24

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

06897585

ABSTRACT:
Disclosed herein is a kinetic pressure bearing motor, which is provided with an auxiliary dynamic pressure generating means, thus allowing a motor shaft to be stably rotated at a high speed, and considerably reducing vibration, therefore enhancing the performance of the motor. The kinetic pressure bearing motor includes a support unit which is provided at an outer surface of a motor shaft, and a shaft holder which is fitted over an upper portion of the motor shaft. Further, grooves for generating dynamic pressure are formed on an outer surface of the support unit. An extension is provided at the shaft holder to support the support unit in such a way as to be in contact with the outer surface of the support unit having the grooves.

REFERENCES:
patent: 5598048 (1997-01-01), Dunfield et al.
patent: 5969448 (1999-10-01), Liu et al.
patent: 6271612 (2001-08-01), Tanaka et al.
patent: 6339270 (2002-01-01), Ichiyama
patent: 6343877 (2002-02-01), Miura et al.
patent: 6498411 (2002-12-01), Kanebako
patent: 1999-20701 (2001-05-01), None

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