Refrigerant distribution apparatus and methods for transport refrigeration system
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United States of America Patent
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Mar 6, 2018
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app pub date -
Mar 7, 2011
filing date -
Mar 8, 2010
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Abstract
A method for distributing a refrigerant charge level in a refrigerant vapor compression system includes restarting a stopped refrigerant compression device in a first mode; operating a primary expansion device independent of refrigerant heat absorption heat exchanger superheat; comparing a condition at a refrigerant reservoir to a prescribed condition; wherein when the condition is below the prescribed condition for a prescribed interval, operating the primary expansion device to control the refrigerant heat absorption heat exchanger superheat; and transitioning the refrigerant vapor compression system to a second mode.
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