LIQUID REFRIGERANT PUMPING SYSTEM
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United States of America Patent
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app pub date -
Jan 12, 2015
filing date -
Dec 5, 2014
priority date (Note) -
Abandoned
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Abstract
A lubricant supply system includes first and second tanks, each including an internal volume that is divided into a first portion and a second portion. The first portion of the internal volume of the first tank and the first portion of the internal volume of the second tank are configured to alternate supplying a liquid refrigerant to a machine. A pump is in fluid communication with the second portion of the internal volume of the first tank and the second portion of the internal volume of the second tank. The pump is configured to vary a pressure of a gas in the second portion of the internal volume of the first tank and the second portion of the internal volume of the second tank.
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