Method and apparatus for amplitude limiting battery temperature spikes
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United States of America Patent
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Feb 22, 2011
Grant Date -
Jul 9, 2009
app pub date -
Oct 27, 2008
filing date -
Jan 9, 2002
priority date (Note) -
Expired
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Abstract
A method and apparatus for containing heat generated by a battery to reduce the amplitude of a temperature excursion to enhance safety in temperature critical applications, such as in implantable medical devices. The apparatus employs a heat absorber (38) closely thermally coupled to the battery (30). The heat absorber includes heat-absorbing material preferably exhibiting an endothermic phase change at a temperature below that produced by the battery.
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