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AIR-SIDE ECONOMIZER FACILITATING LIQUID-BASED COOLING OF AN ELECTRONICS RACK

  • US 20130068423A1
  • Filed: 11/14/2012
  • Published: 03/21/2013
  • Est. Priority Date: 07/21/2011
  • Status: Active Grant
First Claim
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1. A method of cooling at least one electronic subsystem of an electronics rack, the method comprising:

  • obtaining a cooling apparatus comprising;

    a local cooling station, the local cooling station comprising;

    a liquid-to-air heat exchanger; and

    ducting for directing cooling airflow across the liquid-to-air heat exchanger;

    a least one cooling subsystem for association with the at least one electronic subsystem, one cooling subsystem of the at least one cooling subsystem to provide cooling to a respective electronic subsystem of the at least one electronic subsystem, the one cooling subsystem comprising at least one of a housing facilitating immersion cooling of one or more electronic components of the respective electronic subsystem, or a liquid-cooled structure providing conductive cooling of one or more electronic components of the respective electronic subsystem; and

    at least one coolant loop for coupling the one cooling subsystem to the liquid-to-air heat exchanger of a respective local cooling station;

    disposing the electronics rack and a respective local cooling station adjacent to each other, and employing the one coolant loop to couple in fluid communication the one cooling subsystem associated with the respective electronic subsystem and the liquid-to-air heat exchanger of the respective local cooling station; and

    establishing cooling airflow through the ducting and across the liquid-to-air heat exchanger, and circulation of coolant through the liquid-to-air heat exchanger, the coolant loop and the one cooling subsystem, wherein heat is transferred via the circulating coolant from the respective electronic subsystem and rejected in the liquid-to-air heat exchanger of the respective local cooling station to the cooling airflow passing across the liquid-to-air heat exchanger.

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