US 12,332,556 B2
Heat dissipation module and projection device
Te-Ying Tsai, Hsin-Chu (TW); and Jia-Hong Dai, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on May 30, 2022, as Appl. No. 17/827,830.
Claims priority of application No. 202121206495.5 (CN), filed on Jun. 1, 2021.
Prior Publication US 2022/0382136 A1, Dec. 1, 2022
Int. Cl. G03B 21/16 (2006.01); F25D 17/06 (2006.01); G03B 21/20 (2006.01)
CPC G03B 21/16 (2013.01) [F25D 17/067 (2013.01); G03B 21/204 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A heat dissipation module used for a wheel module, the wheel module comprising a motor, and the heat dissipation module comprising a supporting member and a fan, wherein:
the supporting member has a supporting portion, a fixing portion and a plurality of connecting portions, the supporting portion has a ventilation hole, the fixing portion is located in the ventilation hole and is connected to the supporting portion by the plurality of connecting portions, the fixing portion has a first side surface and a second side surface opposite to each other, and the first side surface is connected to the motor; and
the fan is disposed on one side of the second side surface of the fixing portion, the fan has an air outlet, and the air outlet faces the ventilation hole, wherein on a plane parallel to the first side surface, the air outlet and the ventilation hole at least partially overlap, a cross-sectional area of the ventilation hole is greater than a cross-sectional area of the fixing portion, and the cross-sectional area of the fixing portion is greater than or equal to a cross-sectional area of the motor.