Refrigeration device
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United States of America Patent
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Dec 4, 2018
Grant Date -
Nov 30, 2017
app pub date -
Dec 11, 2015
filing date -
Dec 11, 2014
priority date (Note) -
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Abstract
A refrigeration device having a closed circuit in which a flow rate of coolant is circulating is provided. The closed circuit has a condenser and a main branch provided with a reciprocating compressor inside which a defined flow rate of the coolant enters, from the main branch, at a defined suction pressure, of an evaporator and a first expansion valve that is arranged between the condenser and the evaporator. The closed circuit further has a first secondary economizer branch for a first fraction of flow rate of the coolant, the first secondary economizer branch fluidically connecting the compressor to a section of the closed circuit between the condenser and the first expansion valve, wherein the compressor has a first side inlet port for the entrance of the first fraction of coolant flow rate.
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