US 11,913,472 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); Chun-Chieh Wang, New Taipei (TW); and Shu-Hao Kuo, New Taipei (TW)
Assigned to Acer Incorporated, New Taipei (TW)
Filed by Acer Incorporated, New Taipei (TW)
Filed on Apr. 6, 2021, as Appl. No. 17/223,018.
Claims priority of application No. 109112344 (TW), filed on Apr. 13, 2020.
Prior Publication US 2021/0317844 A1, Oct. 14, 2021
Int. Cl. F04D 29/58 (2006.01); F04D 29/28 (2006.01); F04D 29/42 (2006.01)
CPC F04D 29/582 (2013.01) [F04D 29/281 (2013.01); F04D 29/4226 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A centrifugal heat dissipation fan comprising:
a housing having at least one inlet disposed on an axis and a plurality of outlets in different radial directions; and
an impeller disposed in the housing and rotating about the axis,
wherein the plurality of outlets comprises a first main outlet, a second main outlet, and at least one sub-outlet,
wherein the first main outlet and the second main outlet are each a planar outlet and the at least one sub-outlet is an arc outlet,
wherein the housing further has an inner wall tongue part between and adjoining two of the plurality of outlets, and the inner wall tongue part is structurally extended from a base to an upper cover and entirely connected to and between the upper cover and the base of the housing to divide the first main outlet and the sub-outlet,
wherein the at least one inlet is located at the upper cover or the base.