Cooling circuit, cold drying installation and method for controlling a cooling circuit
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United States of America Patent
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Mar 13, 2018
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N/A
app pub date -
Jul 22, 2013
filing date -
Aug 3, 2012
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Abstract
A cooling circuit is equipped with a coolant, a compressor, a condenser and evaporator expansion valve combinations, whereby the outlets of the evaporators are connected to a collection pipe connected to the compressor. The cooling circuit comprises a control unit connected to a temperature sensor and a pressure sensor affixed in the collection pipe and connected to the expansion valves for the control of them. The control unit is provided with an algorithm for controlling the expansion valves on the basis of the temperature sensor and pressure sensor to control the superheating in the collection pipe.
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