Hybrid air handler cooling unit with bi-modal heat exchanger

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United States of America Patent

PATENT NO 10119730
APP PUB NO 20170227259A1
SERIAL NO

15403792

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hybrid air handler cooling unit has a bi-modal heat exchanger. In a direct expansion mode or a pumped refrigerant economization mode, the bi-modal heat exchanger is in a refrigerant path in parallel with first and second condenser coils and functions as a condenser coil. In a mixed direct expansion/pumped refrigerant economization mode, the bi-modal heat exchanger is in a refrigerant path in series between an outlet of a pump and an inlet of the first condenser coil and functions as a pre-cooler evaporator coil with return air first flowing across the bi-modal heat exchanger and then across an evaporator coil of an evaporator.

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Patent Owner(s)

Patent OwnerAddress
VERTIV CORPORATION1050 DEARBORN DRIVE COLUMBUS OH 43085

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Zhiyong Dublin, US 50 208

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