REFRIGERATION SYSTEM WITH ISENTROPIC EXPANSION NOZZLE
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United States of America Patent
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Issued Date -
Jul 31, 2014
app pub date -
Jan 30, 2013
filing date -
Jan 30, 2013
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Abstract
A refrigeration system is provided that comprises a compressor, condenser, a thermal expansion valve, an isentropic expansion nozzle, and an evaporator. An isentropic expansion nozzle includes an inlet and an outlet with the isentropic expansion nozzle inlet fluidly coupled to a thermal expansion valve outlet. The evaporator includes an inlet and an outlet, wherein the evaporator inlet is fluidly coupled to the isentropic expansion nozzle outlet and the evaporator outlet is fluidly coupled to the compressor inlet. Using the system, a fluid can be modified prior to evaporation. The fluid is passed through the thermal expansion valve to decrease a pressure and decrease a temperature of the fluid. The fluid is then passed through the isentropic expansion nozzle to increase a velocity of the fluid without substantially changing the temperature of the fluid. The fluid is thereafter passed into the evaporator.
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