COMBINED-LOOP MAGNETIC REFRIGERATION SYSTEM
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United States of America Patent
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Issued Date -
Sep 6, 2012
app pub date -
Aug 2, 2010
filing date -
Nov 11, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A magnetic refrigeration system having a magnetocaloric material for adjusting the temperature of a transfer fluid is disclosed. The magnetic refrigeration system includes tubing filled with the transfer fluid that flows in a first pass through a heat exchanger having a magnetocaloric material that is magnetized by one or more electromagnets and heats the transfer fluid. The magnetocaloric material is magnetized and demagnetized by one or more electromagnets controlled by a timer/controller device. A three-way solenoid valve controls the flow of heated transfer fluid from the heat exchanger and directs the heated transfer fluid to a warm heat exchanger for cooling of the transfer fluid. The cooled transfer fluid is then passed a second time through the heat ex changer in which the magnetocaloric material is demagnetized for further cooling of the cooled transfer fluid.
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