Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2007-09-10
2009-11-03
Le, Dang D (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C384S107000
Reexamination Certificate
active
07612476
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: 6900567 (2005-05-01), Aiello et al.
patent: 6917130 (2005-07-01), Aiello et al.
patent: 2001-065552 (2001-03-01), None
Alphana Technology Co., Ltd.
Chung Sung-Yeop
Le Dang D
Meyer Jerald L.
The Nath Law Group
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