Secondary fluid valve and system

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United States of America Patent

PATENT NO 10030900
SERIAL NO

14418729

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Importance

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Abstract

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A device, method and system is provided for regulating an ambient condition of a space via a heat exchanger that transfers heat energy from a secondary fluid to a primary fluid, and a flow control valve in fluid communication with the heat exchanger to vary a flow of the secondary fluid through the heat exchanger to provide a continuous flow of the secondary fluid between a minimum flow rate and a maximum flow rate. While in a first mode for regulating the ambient condition of the space, the flow control valve is modulated so as to provide variable and continuous flow of the secondary fluid through the heat exchanger to regulate the ambient condition to a desired target ambient condition. While in a pull-down mode for recovering after a defrost cycle of the heat exchanger, the flow control valve is modulated so as to provide variable and continuous flow of the secondary fluid through the heat exchanger to regulate a temperature drop of the secondary fluid across the heat exchanger.

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Patent Owner(s)

Patent OwnerAddress
PARKER-HANNIFIN CORPORATION6035 PARKLAND BOULEVARD CLEVELAND OH 44124

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bundy, Patrick W Mooresville, US 1 11
Obermark, Craig M Washington, US 4 19
Sunderland, Ted W Washington, US 22 1733

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