BATTERY UNIT COOLING APPARATUS
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United States of America Patent
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Issued Date -
Sep 15, 2011
app pub date -
Oct 28, 2009
filing date -
Nov 21, 2008
priority date (Note) -
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Abstract
There is provided a battery unit cooling apparatus installed in a vehicle which can run on power from an electric motor driven by a battery unit as a power supply, comprising a cooling air generating unit for generating cooling air to cool the battery unit and an air volume control unit for controlling, when decelerating the vehicle which is set to operate in a high recovery efficiency mode of two modes which differ in recovery efficiency with which regenerative energy obtained from the electric motor when the vehicle is decelerated is recovered to the battery, the cooling air generating unit so as to generate a larger volume of cooling air than a volume of cooling air generated when the vehicle is set to operate in a low recovery efficiency mode. Consequently, sufficient cooling air can be supplied to the battery unit when the vehicle is decelerated which is set to operate in the high regenerative energy recovery efficiency.
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