Battery pack apparatus with heat supply and discharge
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United States of America Patent
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Jun 12, 2007
Grant Date -
Nov 25, 2004
app pub date -
Mar 23, 2004
filing date -
Mar 24, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A battery pack apparatus includes a battery pack having multiple rechargeable batteries arranged in parallel and heat medium passages formed therebetween. The battery pack apparatus also includes a heat insulation cover formed of a heat insulation material that covers a circumferential surface of the battery pack substantially entirely. A supply passage and a discharge passage are provided between the heat insulation cover and the battery pack. The supply passage supplies a heat medium to the heat medium passages while the discharge passage discharges the heat medium from the heat medium passages. The battery pack apparatus also includes a supply device that supplies the heat medium to the supply passage.
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