US 11,968,800 B2
Centrifugal heat dissipation fan and heat dissipation system of electronic device
Tsung-Ting Chen, New Taipei (TW); Wen-Neng Liao, New Taipei (TW); Cheng-Wen Hsieh, New Taipei (TW); Yu-Ming Lin, New Taipei (TW); Wei-Chin Chen, New Taipei (TW); Kuang-Hua Lin, New Taipei (TW); and Sheng-Yan Chen, New Taipei (TW)
Assigned to Acer Incorporated, New Taipei (TW)
Filed by Acer Incorporated, New Taipei (TW)
Filed on May 23, 2023, as Appl. No. 18/322,540.
Application 18/322,540 is a division of application No. 17/216,684, filed on Mar. 30, 2021, abandoned.
Claims priority of application No. 109112202 (TW), filed on Apr. 10, 2020.
Prior Publication US 2023/0301017 A1, Sep. 21, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20172 (2013.01) [H05K 7/20145 (2013.01); H05K 7/20154 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A centrifugal heat dissipation fan, comprising:
a housing, having at least one inlet disposed along an axis and at least one first outlet and a second outlet located in different radial directions, wherein the first outlet and the second outlet are opposite to and separated from each other; and
an impeller, disposed in the housing along the axis, wherein a radial direction range of the first outlet relative to the axis has a central angle greater than 180 degree, and a radial direction range of the second outlet relative to the axis has a central angle less than 180 degree.