Refrigeration system with a charging loop

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7849701
APP PUB NO 20090293517A1
SERIAL NO

12132384

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A refrigeration system includes a primary loop that cools a secondary loop that circulates a coolant through a refrigeration load. The secondary loop includes a suction header to receive the coolant from the load, and a discharge header to direct the coolant to the heat exchanger, and a pump to pump the coolant from the suction to the discharge header. A charging loop maintains a pressure of the coolant in the supply header within a predetermined range, and includes an inlet from the discharge header and an outlet to the suction header. A flow nozzle and a valve are located between the inlet and the outlet, and a reservoir of make-up coolant communicates with the flow nozzle. Upon a low pressure condition in the suction header, the valve opens to permit flow of coolant through the flow nozzle to draw in make-up coolant from the reservoir.

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Patent Owner(s)

Patent OwnerAddress
DOVER SYSTEMS INC2180 SATELLITE BOULEVARD SUITE 350 DULUTH GA 30097

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bittner, John D Bethlehem, US 23 325

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