Method and device relating to battery temperature regulation
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United States of America Patent
Stats
-
Jul 22, 2003
Grant Date -
Oct 25, 2001
app pub date -
Feb 14, 2001
filing date -
Feb 15, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention pertains to the field of methods and devices for battery (9) temperature regulation. Phase change material (7;7a,7b) having a phase change temperature within a preferred operating temperature range is employed in order to maintain the battery temperature within the preferred operating temperature range during extreme ambient temperature conditions. When the temperature of an ambient medium (21) so allows, a transfer of heat between the phase change material (7;7a,7b) and ambient medium (21) is effected for quickly restoring the capability of the phase change material (7;7a,7b) to maintain the battery temperature at the phase change temperature. Otherwise, thermal insulation between the phase change material (7;7a,7b) and the ambient medium (21) is provided.
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