US 12,342,502 B2
Two-phase immersion cooling apparatus with active vapor management
Kar-Wing Lau, Hong Kong (HK)
Assigned to LIQUIDSTACK HOLDING B.V., Amsterdam (NL)
Filed by LIQUIDSTACK HOLDING B.V., Amsterdam (NL)
Filed on Jan. 26, 2023, as Appl. No. 18/101,872.
Application 18/101,872 is a continuation of application No. PCT/EP2021/055404, filed on Mar. 3, 2021.
Prior Publication US 2023/0171923 A1, Jun. 1, 2023
Int. Cl. H05K 7/20 (2006.01); F28F 27/02 (2006.01); G01F 1/74 (2006.01)
CPC H05K 7/20281 (2013.01) [F28F 27/02 (2013.01); G01F 1/74 (2013.01); H05K 7/20236 (2013.01); H05K 7/203 (2013.01); H05K 7/20318 (2013.01); H05K 7/20327 (2013.01); H05K 7/20818 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A two-phase immersion cooling apparatus comprising:
an immersion tank comprising an upper portion, a lower portion, and a primary condenser in thermal communication with an interior volume of the immersion tank; and
a vapor management system fluidly connected to the immersion tank, the vapor management system comprising:
a condensing chamber having an inlet, an outlet, and an auxiliary condenser in thermal communication with an interior volume of the condensing chamber;
a vapor supply passage fluidly connecting the upper portion of the immersion tank to the inlet of the condensing chamber;
a valve in the vapor supply passage between the upper portion of the immersion tank and the inlet of the condensing chamber; and
a liquid return passage fluidly connecting the outlet of the condensing chamber to the immersion tank.