US Patent No. 10,219,415


Patent No. 10,219,415
Issue Date February 26, 2019
Title Server Facility Cooling System
Inventorship Scott C. Wiley, Los Altos, CA (US)
Assignee Facebook, Inc., Menlo Park, CA (US)

Claim of US Patent No. 10,219,415

1. A server cooling system, comprising:a tank containing an electrically insulating liquid;
one or more servers submerged in the liquid, wherein at least a portion of the heat generated by the one or more servers is transferred to the liquid;
an elongated cooling loop extending vertically between a first end portion and a second end portion, wherein the first end portion is located in the surrounding air and the second end portion is located beneath the surface of the earth; and
a heat exchanger positioned between the tank and the cooling loop configured to transfer heat from the liquid to the cooling loop,
wherein the heat exchanger comprises a thermally conductive wall in contact with the liquid on one side and in contact with the cooling loop on an opposite side.