Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2009-05-28
2011-11-15
Nguyen, Tai T (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S636120, C340S636140, C340S641000, C340S643000, C340S691600, C320S150000, C320S153000, C320S154000, C320S106000, C320S134000, C324S427000, C324S430000, C324S431000
Reexamination Certificate
active
08059007
ABSTRACT:
A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses a conductive member mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A resistance measuring system such as a continuity-tester or an ohmmeter is coupled to the conductive member, the resistance measuring system outputting a first signal when the temperature corresponding to the battery or batteries is within a prescribed temperature range and a second signal when the temperature exceeds a predetermined temperature that falls outside of the prescribed temperature range.
REFERENCES:
patent: 6903534 (2005-06-01), Minamiura
patent: 7155075 (2006-12-01), Rajendran et al.
Brncic Daniel Nicholas
Hall Jonathan Louis
Hermann Weston Arthur
Kohn Scott Ira
Kreiner Paul Bryan
Nguyen Tai T
Patent Law Office of David G. Back
Tesla Motors, Inc.
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