Breaker switch and battery including the same
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United States of America Patent
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Feb 19, 2002
Grant Date -
N/A
app pub date -
Aug 13, 1999
filing date -
Aug 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Breaker switch arranged on a wall (4) of an electric device (9) including a receptacle (20), containing a thermofusible composition (25) having a softening point .theta..sub.1, and a flexible metal strip (10) interposed between two studs (2a, 2b) fixed by one end to the wall (4) extending above the receptacle (20) and being provided in its free portion with means (14, 18-19) for the anchoring thereof in said thermofusible composition to bend the strip (10) against the two studs (2a, 2b). The receptacle (20) is advantageously extended by a heat probe (27) going to the core of the device (9). When the temperature of the device (9) exceeds .theta..sub.1 the anchoring means (14) are released from the thermofusible composition by the elastic return force of the strip (10) thereby opening the contact between the studs (2a, 2b). Application to a battery, in particular of the lithium-ion type.
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