Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
2007-02-22
2011-10-04
Yu, Justine (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C415S211200, C415S220000, C416S19800R
Reexamination Certificate
active
08029236
ABSTRACT:
A heat dissipation fan includes a housing, a first rotor, a second rotor, a base and a plurality of static blades. The first rotor has a shaft and a plurality of rotor blades. The second rotor is coupled to the first rotor and has a plurality of rotor blades. The base is disposed in the housing for supporting the first and second rotors. The static blades are disposed between the housing and the base, wherein a rear portion of each static blade extends along an axial line of the heat dissipation fan for improving the working efficiency of the second rotor.
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Chang Hsiou-Chen
Chang Shun-Chen
Hsu Chia-Ming
Huang Shih-Wei
Huang Wen-Shi
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
Prager Jesse
Yu Justine
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