Leakproof, valve regulated, maintenance-free lead acid battery

Details Leakproof, valve regulated, maintenance-free lead acid battery Leakproof, valve regulated, maintenance-free lead acid battery

1995-02-27

1995-11-07

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 72, 429 86, 429177, H01M 212

Patent

active

054647010

ABSTRACT:
A valve-regulated, maintenance-free lead acid battery has plate compartments which are substantially surrounded by chambers that contain electrolyte absorptive material. Electrolyte droplets escaping through the pressure relief valves of the battery are directed to flow over the absorptive material in the chambers and are absorbed by it, while evolved gas escapes through a vent without appreciable pressure drop. The chambers also protect the plate compartments from impact and absorb electrolyte which might otherwise leak from the plate compartments.

REFERENCES:
patent: 1230390 (1917-07-01), Flanders
patent: 2331450 (1943-10-01), Baum
patent: 2452066 (1948-10-01), Murphy
patent: 2615062 (1952-10-01), Craig
patent: 3360403 (1967-12-01), Halsall
patent: 3764394 (1973-10-01), Phillips
patent: 3879227 (1975-04-01), Hennen
patent: 4303745 (1981-12-01), Anderson et al.
patent: 4371591 (1983-02-01), Oxenreider et al.
patent: 4463069 (1984-07-01), Greenlee
patent: 4973533 (1990-11-01), Nieminen et al.

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