Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Reexamination Certificate
2006-06-20
2006-06-20
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
C415S220000
Reexamination Certificate
active
07063504
ABSTRACT:
A cooling fan with high heat-dissipating performance includes a plurality of blades; and a frame for receiving the blades therein, wherein the frame has a reduced height for exposing the blades to outside of the frame so as to allow air to enter into the frame via a top portion and a peripheral portion of the blades to improve air introduction and heat dissipating efficiency of the cooling fan. A cover may be mounted to a top surface of the frame, and formed with a plurality of openings for allowing air to enter into the frame through the openings; such an arrangement cam effectively enhance air intake and working efficiency of the cooling fan.
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Huang Wen-Shi
Lei Tsung-Yu
Lin Kuo-Cheng
Liu Wen-Ha
Tan Li-Kuang
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
Edgar Richard A.
Look Edward K.
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