US 12,279,397 B2
Cold plate
Yi-Wun Chen, New Taipei (TW); Ming-Yuan Chiang, New Taipei (TW); Chien-Yu Chen, New Taipei (TW); and Mu-Shu Fan, New Taipei (TW)
Assigned to AURAS TECHNOLOGY CO., LTD., New Taipei (TW)
Filed by AURAS TECHNOLOGY CO., LTD., New Taipei (TW)
Filed on Aug. 22, 2022, as Appl. No. 17/892,357.
Claims priority of provisional application 63/253,600, filed on Oct. 8, 2021.
Prior Publication US 2023/0111086 A1, Apr. 13, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20254 (2013.01) [H05K 7/20272 (2013.01); H05K 7/2039 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A cold plate, comprising:
a casing formed with an accommodating groove on a bottom side thereof;
an upper cover coupled to a top side of the casing to define a water collecting chamber together with the casing;
a base coupled to the bottom side of the casing to define an action space together with the casing, wherein the action space communicates with the accommodating groove;
a heat transfer structure disposed on an inner side of the base for transferring a heat energy generated by a heat source in contact with an outer side of the base to a working medium in the action space; and
a pump having a stator disposed in the accommodating groove,
wherein the top side of the casing is formed with a drainage groove, wherein the drainage groove is communicated with the water collecting chamber, and a position of the drainage groove corresponds to a position of the accommodating groove, and wherein the pump further has a rotor disposed in the drainage groove.