Battery protection device and battery having the same

Details Battery protection device and battery having the same Battery protection device and battery having the same

2006-12-21

2009-12-29

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

Regulated discharging

C429S061000, C429S007000, C429S062000

Reexamination Certificate

active

07638978

ABSTRACT:
A battery protection device may include a thermally responsive operating plate having two plates secured together, the two plates having different coefficients of thermally expansion, an electrically conductive member, and a stopper with which the thermally responsive operating plate can be interlocked. The battery protection device may have a recoverable region current cutoff state, where the thermally responsive operating plate is not interlocked with the stopper, and a contact and dissociation of the thermally responsive operation plate with and from the electrically conductive member can be repeatedly realized. The battery protection device may have an unrecoverable region current cutoff state, where the thermally responsive operating plate is interlocked with the stopper and the thermally responsive operation plate is unrecoverably dissociated from the electrically conductive member.

REFERENCES:
patent: 5689173 (1997-11-01), Oosaki et al.
patent: 5826958 (1998-10-01), Avitan
patent: 6025699 (2000-02-01), Cummings
patent: 6432575 (2002-08-01), Yamagami
patent: 6570749 (2003-05-01), Ling et al.
patent: 6893753 (2005-05-01), Iwaizono et al.
patent: 2002/0150815 (2002-10-01), Ehara
patent: 2004/0189245 (2004-09-01), Teraoka et al.
patent: 2000-182598 (2000-06-01), None

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