Multi-level redundant cooling method for continuous cooling of an electronic system(s)
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United States of America Patent
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Apr 12, 2016
Grant Date -
Mar 19, 2015
app pub date -
Nov 24, 2014
filing date -
Jan 21, 2013
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Abstract
A cooling method is provided to remove heat generated by one or more electronic systems. The method includes providing a coolant-based cooling apparatus, redundant pumping units, redundant backup blowers, and multiple separate controllers. The cooling apparatus includes one or more heat exchange assemblies discharging heat from coolant of the cooling apparatus, and the redundant pumping units, which are coupled in parallel fluid communication, separately facilitate pumping of the coolant. The redundant backup blowers are disposed to provide, when activated, backup airflow across the electronic system(s). The multiple controllers control operation of the redundant pumping units and redundant backup blowers based, at least in part, on one or more sensed parameters. The redundant backup blowers are activated responsive to the sensed parameter(s) exceeding a set threshold to provide backup cooling to the electronic system(s) in the event of degraded performance of the cooling apparatus or the redundant pumping units.
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