Motor

Details Motor Motor

2007-10-23

2007-10-23

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C384S107000

Reexamination Certificate

active

11340460

ABSTRACT:
One preferred embodiment of the present invention provides a motor composed at least of a stator, a rotor, and a dynamic pressure bearing having a thrust dynamic pressure bearing portion and a radial dynamic pressure bearing portion to support the rotor rotatably in relation to the stator, comprising lubrication fluid being filled in a lubrication fluid filled portion connecting said thrust dynamic pressure bearing portion with said radial dynamic pressure bearing portion and being used in common by said thrust dynamic pressure bearing portion and said radial dynamic pressure bearing portion, and a pump-in dynamic pressure generation portion being disposed between said thrust dynamic pressure bearing portion and said radial dynamic pressure bearing portion so as to generate pressure that causes the lubrication fluid to move toward said radial dynamic pressure bearing portion.

REFERENCES:
patent: 6917130 (2005-07-01), Aiello et al.
patent: 6955469 (2005-10-01), Gomyo
patent: 2001-065552 (2001-03-01), None
patent: 2003-180066 (2003-06-01), None

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