Receiver tank purge in vapor compression cooling system with pumped refrigerant economization

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United States of America Patent

PATENT NO 9140475
APP PUB NO 20140157821A1
SERIAL NO

14078821

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Abstract

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A cooling system includes a cooling circuit having an evaporator, a condenser, a compressor, an expansion device, a liquid pump, and a receiver/surge tank coupled between the condenser and the liquid pump. The cooling system has a direct expansion mode and a pumped refrigerant economizer mode. When the cooling system switches from the direct expansion mode to the pumped refrigerant economizer mode, refrigerant is flushed from the refrigerant/surge tank so that the cooling circuit is overcharged when it begins operating in the pumped refrigerant economizer mode.

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Patent Owner(s)

Patent OwnerAddress
VERTIV CORPORATION1050 DEARBORN DRIVE COLUMBUS OH 43085

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haggy, Greg Gahanna, US 6 157
Schrader, Timothy J Irwin, US 13 358
Sillato, Stephen Westerville, US 19 311

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