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Coolant and ambient temperature control for chillerless liquid cooled data centers

United States Patent

August 29, 2017
View the Complete Patent at the US Patent & Trademark Office
Cooling control methods and systems include measuring a temperature of air provided to one or more nodes by an air-to-liquid heat exchanger; measuring a temperature of at least one component of the one or more nodes and finding a maximum component temperature across all such nodes; comparing the maximum component temperature to a first and second component threshold and comparing the air temperature to a first and second air threshold; and controlling a proportion of coolant flow and a coolant flow rate to the air-to-liquid heat exchanger and the one or more nodes based on the comparisons.
Chainer; Timothy J. (Putnam Valley, NY), David; Milnes P. (Fishkill, NY), Iyengar; Madhusudan K. (Woodstock, NY), Parida; Pritish R. (Fishkill, NY), Simons; Robert E. (Poughkeepsie, NY)
14/ 792,196
July 6, 2015
GOVERNMENT RIGHTS This invention was made with Government support under Contract No.: DE-EE0002894 (Department of Energy). The government has certain rights in this invention.