US 11,910,569 B2
Heat sink and heat dissipation device
Yan-Sian Jheng, New Taipei (TW)
Assigned to COOLER MASTER CO., LTD., New Taipei (TW)
Filed by COOLER MASTER CO., LTD., New Taipei (TW)
Filed on Feb. 3, 2021, as Appl. No. 17/167,041.
Claims priority of application No. 109215924 (TW), filed on Dec. 2, 2020.
Prior Publication US 2022/0174839 A1, Jun. 2, 2022
Int. Cl. H05K 7/20 (2006.01); G06F 1/20 (2006.01)
CPC H05K 7/2039 (2013.01) [H05K 7/20154 (2013.01); G06F 1/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A heat sink, comprising:
a cylindrical body; and
a plurality of fins, connected to and protruding from the cylindrical body, wherein at least a part of the plurality of fins each comprise a first protrusion portion and a second protrusion portion, a distal edge of the first protrusion portion is located farther away from a central axis of the cylindrical body than a distal edge of the second protrusion portion;
wherein the heat sink further comprises at least one first mount structure connected to the first protrusion portion of one of the part of the plurality of fins, and the at least one first mount structure is configured to be mounted to a circuit board;
wherein the heat sink further comprises at least one second mount structure connected to the first protrusion portion of one of the part of the plurality of fins, and the at least one second mount structure is configured for an installation of an airflow generator;
wherein each of the first mount structure and the second mount structure has an installation hole, and a center of the cylindrical body, a center of the installation hole of the first mount structure and a center of the installation hole of the second mount structure are located on a straight line to the central axis of the cylindrical body.