Multicell storage battery

Details Multicell storage battery Multicell storage battery

1995-03-14

1997-08-26

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

For charge or liquid level

429 92, 429 90, H01M 1048

Patent

active

056609442

ABSTRACT:
A multicell storage battery, especially of the nickel/hydride type, is provided with pressure safeties for protection against high internal pressures. The pressure safeties respond at a preassigned critical pressure, causing mechanical changes in shape or through destruction which can be optically or electrically monitored. For example, a hinged lid is caused to swing up responsive to a rupture disk, interrupting a light beam. Alternatively, a rupture disk is coated with a conducting enamel and is connected by lead wires to form an electrical circuit which is interrupted responsive to damage of the enamel layer (e.g., responsive to bursting of the membrane).

REFERENCES:
patent: 3818325 (1974-06-01), Boshers
patent: 4788112 (1988-11-01), Kung
patent: 5171648 (1992-12-01), Beard
patent: 5405715 (1995-04-01), Dawson et al.

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