Lead accumulator

Details Lead accumulator Lead accumulator

1993-07-23

1995-01-10

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429 86, 429 88, H01M 212, H01M 204

Patent

active

053806042

ABSTRACT:
A lead accumulator has a housing with a frontside, a backside, a first and second end faces, and a bottom. The housing has a plurality of cells containing acid. A lid is provided for closing the housing. The lid comprises an upper lid and a lower lid spaced from the upper lid to define a space therebetween. The space is divided by chamber walls into a plurality of chambers such that each cell has a corresponding chamber within the lid. For each cell the lid has a fill and check opening closable by a stopper. Each chamber has guides for controlling the flow of acid. The guides comprise deflecting stays and an annular stay surrounding the fill and check opening, the annular stay having a degassing and return outlet. The lid further has at least one ignition protector. The guides are designed and arranged such that, in any position of the housing, when resting on one of the side walls, acid within the chambers remains below a level above which acid flows into the ignition protector.

REFERENCES:
patent: 3879227 (1975-04-01), Hennen
patent: 4348466 (1982-09-01), Elehew et al.
patent: 4600664 (1986-07-01), Cramer et al.
patent: 4851305 (1989-07-01), Kump et al.
patent: 4891270 (1990-01-01), Jergi et al.
patent: 4916034 (1990-04-01), Hulsebus et al.

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