AIR-SIDE FREE COOLING SYSTEM AND DATA CENTER

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United States of America Patent

APP PUB NO 20130098597A1
SERIAL NO

13589549

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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From a plurality of preset operation modes, an optimal mode is selected to let the supply air 206 attain a predetermined temperature and humidity. Upon adjusting the opening degrees of dampers 116-119, a cold water valve 156 and a humidifying water valve 154, the system measures the outside air 201, supply air 206 and return air 207 for temperature and humidity to see if a mode boundary is exceeded. If the boundary is exceeded, an assessment time is set. The humidity of the supply air 206 in the mode in effect before the boundary is exceeded is further predicted so as to determine whether the predicted value exceeds the upper limit of a tolerable humidity range or drops below the lower limit thereof.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDJAPAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FUJIMOTO, Takayuki Tsuchiura, JP 37 112
KONDO, Yoshihiro Tsuchiura, JP 63 1748

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