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US 10,487,845 B2Granted
Fan structure and manufacturing method thereof
AssigneeQuanta Computer Inc.
InventorsChi-Hsueh Yang, Hsiao-Fan Chang
Life of this patent
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Abstract
A fan structure includes a first fixing ring and a plurality of fan blades. The first fixing ring includes a plurality of first recesses radially arranged on the first fixing ring. One side of the fan blades is coupled to the first recesses of the first fixing ring. The first fixing ring includes a stamped part and a non-stamped part, in which the stamped part is in contact with the fan blades, and the thickness of the stamped part is smaller to the thickness of the non-stamped part.
Claims11
A fan structure, comprising:
- a first fixing ring comprising a plurality of first recesses radially arranged on the first fixing ring;
- a plurality of blades, one side of each of the blades being coupled to the first recesses, wherein the first fixing ring comprises a stamped part and a non-stamped part, and the stamped part is thinner than the non-stamped part;
- a second fixing ring comprising a plurality of second recesses radially arranged on the second fixing ring, and the second fixing ring being larger than the first fixing ring, wherein another side of each of the blades is coupled to the second recesses;
- and
- a third fixing ring disposed between the first fixing ring and the second fixing ring, wherein the third fixing ring comprises a plurality of third recesses, and the blades are coupled to the third recesses.
2 more elements
A fan structure, comprising:
- a first fixing ring comprising a plurality of first recesses radially arranged on the first fixing ring;
- a plurality of blades, one side of each of the blades being coupled to the first recesses, wherein the first fixing ring comprises a stamped part and a non-stamped part, and the stamped part is thinner than the non-stamped part;
- and
- a second fixing ring comprising a plurality of second recesses radially arranged on the second fixing ring, and the second fixing ring being larger than the first fixing ring, wherein another side of each of the blades is coupled to the second recesses, and wherein the first recesses are respectively perpendicular to corresponding tangent lines of the circumferences of the first fixing ring, but the second recesses are not perpendicular to the second fixing ring, and the blades are coupled to the first fixing ring and the second fixing ring with an arc shape.
1 more element
Dependencies are inferred from the claim text.