Battery heating system
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United States of America Patent
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Sep 7, 1999
Grant Date -
N/A
app pub date -
Apr 26, 1996
filing date -
Apr 26, 1996
priority date (Note) -
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Abstract
A battery heating system for the batteries of an electrical vehicle includes a plurality of electrical heaters. The electrical heaters are apportioned into a plurality of groups, the groups coupled to independently-switchable voltage sources. One or more of the electrical heaters may have a parallel/series design for their resistive heater elements, to improve the reliability of those heaters.
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