US 12,446,177 B2
Electronic device
Shintaro Harada, Izunokuni Shizuoka (JP)
Assigned to TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed by TOSHIBA TEC KABUSHIKI KAISHA, Tokyo (JP)
Filed on Oct. 6, 2023, as Appl. No. 18/482,043.
Claims priority of application No. 2023-015245 (JP), filed on Feb. 3, 2023.
Prior Publication US 2024/0268039 A1, Aug. 8, 2024
Int. Cl. H05K 5/10 (2025.01); H05K 5/02 (2006.01); H05K 7/20 (2006.01)
CPC H05K 5/10 (2025.01) [H05K 5/0213 (2013.01); H05K 5/0217 (2013.01); H05K 5/0247 (2013.01); H05K 7/20136 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a housing including a hollow first space with one surface of the hollow first space opened and including a first ventilation hole that causes an outside of the electronic device and the hollow first space to communicate;
a lid provided to close the open one surface of the housing, including a hollow second space, and including a second ventilation hole that causes the outside of the electronic device and the hollow second space to communicate;
a heat sink provided in the hollow first space and configured to radiate heat generated from an electronic component housed in the housing; and
a fan provided in the hollow first space and configured to cool the heat sink with a flow of air caused by rotation of the fan,
wherein the lid further includes:
in a position facing the fan, a ventilation port that causes the hollow first space and the hollow second space to communicate and is configured to separate the hollow first space and the hollow second space excluding the ventilation port,
a top cover including the second ventilation hole and the ventilation port and configured to separate the hollow first space and the hollow second space, and
a cap cover provided above the top cover to form the second space between the cap cover and the top cover.