Cooling fan
First Claim
Patent Images
1. A cooling fan comprising:
- a plurality of blades; and
a frame for receiving the blades therein, wherein a height of the frame is reduced to an extent for exposing the blades and an inner wall of the frame has an inclined surface without protruding out of the inner wall of the frame for forming a lateral air intake 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 dissipation efficiency of the cooling fan.
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Accused Products
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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Citations
18 Claims
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1. A cooling fan comprising:
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a plurality of blades; and a frame for receiving the blades therein, wherein a height of the frame is reduced to an extent for exposing the blades and an inner wall of the frame has an inclined surface without protruding out of the inner wall of the frame for forming a lateral air intake 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 dissipation efficiency of the cooling fan. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A cooling fan comprising:
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a frame having a hollow portion; at least one blade received in the hollow portion of the frame; and a plurality of ribs formed on a bottom of the frame for strengthening the cooling fan; wherein the frame has a side opening extending to the bottom of the frame for increase air introduction, and the frame has an air-guiding part provided on a peripheral position thereof for enabling air to be smoothly sucked into the frame.
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Specification