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US 11,719,252 B2Granted
Fan
AssigneeAcer Incorporated
InventorsYu-Ming Lin, Wen-Neng Liao, Cheng-Wen Hsieh, Chun-Chieh Wang, Han-Liang Huang, Sheng-Yan Chen, Tsung-Ting Chen
Life of this patent
Estimating the term…
Abstract
A fan adapted for being disposed in an electronic device is provided. The fan includes a hub and a plurality of metal blades respectively extending from the hub. Each of the metal blades has a root portion connected to the hub and an end portion away from the hub, and a mass of the end portion is greater than a mass of the root portion, such that the metal blade is elongated while the fan is rotated.
Claims13
A fan, adapted for being disposed in an electronic device, wherein the fan comprises:
- a hub;
- and
- a plurality of metal blades respectively extending from the hub, wherein each of the metal blades has a root portion connected to the hub and an end portion away from the hub, and in each of the metal blades, a mass of the end portion is greater than a mass of the root portion, such that the metal blade is elongated while the fan is rotated, wherein the metal blade has a weighting portion and has a windward surface and a leeward surface opposite to each other, and the weighting portion is located on the leeward surface and connected to the end portion.
Dependencies are inferred from the claim text.