US 11,903,172 B2
Mitigating vapor loss in a two-phase immersion cooling system
Nicholas Andrew Keehn, Kirkland, WA (US); Ioannis Manousakis, Heraklion (GR); Winston Allen Saunders, Seattle, WA (US); Husam Atallah Alissa, Redmond, WA (US); and Eric Clarence Peterson, Woodinville, WA (US)
Assigned to Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on Aug. 23, 2019, as Appl. No. 16/549,244.
Prior Publication US 2021/0059079 A1, Feb. 25, 2021
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20818 (2013.01) [H05K 7/203 (2013.01); H05K 7/208 (2013.01); H05K 7/20318 (2013.01); H05K 7/20327 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A two-phase immersion cooling system, comprising:
an immersion tank that is configured to retain dielectric working fluid and also configured to retain a plurality of computing devices that are submerged in the dielectric working fluid;
a supplemental condenser that facilitates condensation of vaporized working fluid when the immersion tank is open, wherein the supplemental condenser is not in fluid communication with an interior portion of the immersion tank when the immersion tank is sealed such that there is no path for a fluid to flow between the interior portion of the immersion tank and the supplemental condenser when the immersion tank is sealed;
a vapor collection point that is in fluid communication with the supplemental condenser; and
a fluid displacement device that is configured to create suction pressure at the vapor collection point.