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Cooled electronic system with thermal spreaders coupling electronics cards to cold rails

United States Patent

July 23, 2013
View the Complete Patent at the US Patent & Trademark Office
Liquid-cooled electronic systems are provided which include an electronic assembly having an electronics card and a socket with a latch at one end. The latch facilitates securing of the card within the socket or removal of the card from the socket. A liquid-cooled cold rail is disposed at the one end of the socket, and a thermal spreader couples the electronics card to the cold rail. The thermal spreader includes first and second thermal transfer plates coupled to first and second surfaces on opposite sides of the card, and thermally conductive extensions extending from end edges of the plates, which couple the respective transfer plates to the liquid-cooled cold rail. The thermally conductive extensions are disposed to the sides of the latch, and the card is securable within or removable from the socket using the latch without removing the cold rail or the thermal spreader.
Chainer; Timothy J. (Putnam Valley, NY), Gaynes; Michael A. (Vestal, 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), Schultz; Mark D. (Ossining, NY), Simco; Daniel P. (Pound Ridge, NY), Steinke; Mark E. (Durham, NC)
International Business Machines Corporation (Armonk, NY)
13/ 102,211
May 6, 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.