THERMAL MANAGEMENT SYSTEM FOR ELECTRIC VEHICLE AND ITS CONTROL METHOD
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United States of America Patent
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Issued Date -
Jul 23, 2015
app pub date -
Jun 17, 2013
filing date -
Aug 13, 2012
priority date (Note) -
Abandoned
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Abstract
A thermal management system for an electric vehicle includes a refrigerant loop for an air conditioner, a refrigerant loop for a battery that allows a refrigerant for the battery to circulate among the battery, an evaporating unit and a heating device, and a thermal management controlling unit that heats the refrigerant for the battery by using the heating device when temperature of the refrigerant for the battery is lower than allowable lower-limit temperature of the battery, and that reduces the temperature of the refrigerant for the battery to be equal to or lower than allowable upper-limit temperature of the battery by increasing an output of the compressing unit when the temperature of the refrigerant for the battery is higher than the allowable upper-limit temperature of the battery.
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