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Directly connected heat exchanger tube section and coolant-cooled structure

United States Patent

April 1, 2014
View the Complete Patent at the US Patent & Trademark Office
A cooling apparatus for an electronics rack is provided which includes an air-to-liquid heat exchanger, one or more coolant-cooled structures and a tube. The heat exchanger, which is associated with the electronics rack and disposed to cool air passing through the rack, includes a plurality of distinct, coolant-carrying tube sections, each tube section having a coolant inlet and a coolant outlet, one of which is coupled in fluid communication with a coolant loop to facilitate flow of coolant through the tube section. The coolant-cooled structure(s) is in thermal contact with an electronic component(s) of the rack, and facilitates transfer of heat from the component(s) to the coolant. The tube connects in fluid communication one coolant-cooled structure and the other of the coolant inlet or outlet of the one tube section, and facilitates flow of coolant directly between that coolant-carrying tube section of the heat exchanger and the coolant-cooled structure.
Chainer; Timothy J. (Putnam Valley, NY), Coico; Patrick A. (Fishkill, NY), Graybill; David P. (Staatsburg, NY), Iyengar; Madhusudan K. (Woodstock, NY), Kamath; Vinod (Raleigh, NC), Kochuparambil; Bejoy J. (Apex, NC), Schmidt; Roger R. (Poughkeepsie, NY), Steinke; Mark E. (Durham, NC)
International Business Machines Corporation (Armonk, NY)
13/ 283,933
October 28, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with Government support under Contract No. DE-EE0002894, awarded by the Department of Energy. Accordingly, the U.S. Government has certain rights in the invention.