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US 2002/0159885 A1Published application
Heat dissipating fan
OwnerTe Liang, Hsi Hung Liuinventors
Life of this patent
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Abstract
A heat dissipating fan has a round disk. The bottom of the round disk has a receiving portion concave upwards for receiving a motor 14. A periphery of the round disk has a plurality of cambered extending blades which are arranged regularly. The plurality of blades extends along a cambered path. Each blade has a convex surface and a concave surface. Each convex surface has a protruding flow guide opposite to the concave surface of the blade; and at a connection of the flow guide and the blade has at least one cambered surface.
Claims7
A heat dissipating fan having a round disk, a bottom of the round disk having a receiving portion concave upwards;
- a periphery of the round disk having a plurality of cambered extending blades;
- the plurality of blades extending along a cambered path;
- each blade having a convex surface and a concave surface;
- each convex surface having a protruding flow guide opposite to the concave surface of the blade;
- and at a connection of the flow guide and the blade having at least one cambered surface.
2 more elements
Dependencies are inferred from the claim text.