Thermal interlock for battery pack, device, system and method
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United States of America Patent
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Feb 4, 2014
Grant Date -
May 3, 2012
app pub date -
Nov 2, 2010
filing date -
Nov 2, 2010
priority date (Note) -
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Abstract
Faulty battery detecting and locating devices and methods are able to detect and locate a faulty battery cell. The device applies an energy to a sensing member, such as a polymeric tube containing at least two polymer-coated and twisted electric wires. Heat that is generated by a faulty battery triggers an electric communication between the two electric wires by melting at least a portion of the polymer. The resulting change in resistance between the two electric wires is used to detect and locate a faulty battery.
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