FAULT DETECTION IN A COOLING SYSTEM WITH A PLURALITY OF IDENTICAL COOLING CIRCUITS
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United States of America Patent
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Issued Date -
Jun 12, 2014
app pub date -
Dec 2, 2013
filing date -
Dec 7, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a cooling system having a plurality of identical cooling circuits, fault detection is determined by a controller if monitored operating parameters of the cooling circuits differ from each other by an appreciable amount. In an aspect, the controller uses a comparison of the operating parameters of a cooling circuit to a snapshot of the operating parameters of that cooling circuit taken after the cooling circuit is determined to be operating properly after start-up. In an aspect, the controller uses known operating parameters of a cooling circuit and a system model of the cooling circuit to calculate remaining operating parameters of the cooling circuit (system model operating parameters) and uses a comparison of the system model operating parameters to the monitored operating parameters.
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