US 12,336,153 B2
Two-phase immersion cooling apparatus
Deming Mao, Taipei (TW); Sy chi Kuo, Taipei (TW); and Hsiang chieh Tseng, Taipei (TW)
Assigned to Cooler Master Co., Ltd., Taipei (TW)
Filed by Cooler Master Co., Ltd., Taipei (TW)
Filed on Aug. 28, 2022, as Appl. No. 17/897,214.
Prior Publication US 2024/0074120 A1, Feb. 29, 2024
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20818 (2013.01) [H05K 7/203 (2013.01); H05K 7/20318 (2013.01); H05K 7/20327 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A two-phase immersion cooling apparatus, comprising:
a coolant tank having an opening, a bottom surface opposite the opening, and a plurality of side walls extending upwardly from a surface perimeter of the bottom surface, defining a liquid region configured to retain a working fluid and a vapor region that is in fluid communication with the liquid region;
at least one condenser that is at least partially disposed within the vapor region and is in thermal communication with the vapor region; and
a heat transfer enhancer disposed within the liquid region, the heat transfer enhancer including a directed flow opening, an upper surface opposite the directed flow opening, a plurality of containment walls extending downwardly from a surface perimeter of the upper surface, at least one redirection flow orifice that is positioned on the containment walls or the upper surface, and a pressure enhanced compartment defined by the upper surface, the containment walls and the directed flow opening, where the pressure enhanced compartment includes a boiling region and a pressure enhanced region that is located adjacent to the upper surface and is in fluid communication with the boiling region, and the redirection flow orifice is disposed within the pressure enhanced region, wherein
an accelerated flow region is formed between the directed flow opening of the heat transfer enhancer and the bottom surface of the coolant tank,
the boiling region in fluid communication with the accelerated flow region, and
at least one of the containment walls and a corresponding side wall define at least one recycling flow region that is in fluid communication with the accelerated flow region; and at least one heat dissipating component that is removably mounted to the heat transfer enhancer and at least partially disposed within the boiling region, wherein portions of the working fluid surrounding the at least one heat dissipating component absorbs sufficient heat to form a plurality of vapor bubbles.