Rotary kinetic fluid motors or pumps – Plural runners supported for relative motion or on separate... – Interdigitated – oppositely extending – coaxial – axially...
Reexamination Certificate
2005-11-01
2005-11-01
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Plural runners supported for relative motion or on separate...
Interdigitated, oppositely extending, coaxial, axially...
C415S102000, C416S19800R, C416S20100A, C416S203000
Reexamination Certificate
active
06960059
ABSTRACT:
A blower having a plurality of impellers is described. The blower has two driving devices and two impellers respectively mounted on the two driving devices. The blades of the two impellers, which are radially or axially disposed, are overlapped so as to enhance the heat-dissipating efficiency of the blower.
REFERENCES:
patent: 1462592 (1923-07-01), Bentley
patent: 2228425 (1941-01-01), Venderbush
patent: 2251553 (1941-08-01), Redmond
patent: 3083893 (1963-04-01), Dean
patent: 4361427 (1982-11-01), Barradas
Chang Shun-Chen
Huang Wen-Shi
Lin Kuo-Cheng
Delta Electronics , Inc.
Nguyen Ninh H.
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