Vented filling plugs for electric storage cells

Details Vented filling plugs for electric storage cells Vented filling plugs for electric storage cells

1979-03-14

1980-08-26

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Venting structure

429 89, H01M 212

Patent

active

042196124

ABSTRACT:
A vented filling plug for an electric storage cell has a vent path including a flame trap through which gas may enter or leave the cell arranged so as, in use, to communicate with the interior of the cell at a point above the normal electrolyte level. The flame trap includes a liquid trap defined by a trough and a tubular partition, and a ceramic partition. The plug also has a filling path through which electrolyte may be poured into the cell arranged so as, in use, to communicate with the interior of the cell at a point below the normal electrolyte level. The filling path includes a liquid trap defined by a trough and a partition below the normal electrolyte level.

REFERENCES:
patent: 1878223 (1932-09-01), Woodbridge
patent: 2219134 (1940-10-01), Clercq et al.
patent: 2471585 (1949-05-01), Rittenhouse et al.

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