Battery filling and venting structure

Details Battery filling and venting structure Battery filling and venting structure

1976-08-25

1978-09-12

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having specified venting, feeding or circulation structure

Having means to control electrolyte level when liquid is...

429 89, H01M 212

Patent

active

041139259

ABSTRACT:
A battery with at least one filler connection for electrolyte liquid, in which the battery interior space is adapted to be connected with the atmosphere by way of at least one venting connection and the opening of the venting connection which terminates in the battery interior space is located geodetically approximately at the height of the intended liquid level; a fill-in chamber is interconnected between the opening of the filler connection which terminates in the atmosphere, and the battery interior space while the fill-in chamber is connected with the battery interior space by means of a chamber connection whose opening terminating in the battery interior space is located geodetically above the intended liquid level; the free cross section of the chamber connection is dimensioned so small that a liquid seal closing off the chamber connection in a gas-tight manner will form under the influence of the excess pressure which will establish itself in the battery interior space above the liquid level during the fill-in operation once the liquid has entered into the opening of the venting connection which terminates in the battery interior space.

REFERENCES:
patent: 1244909 (1917-10-01), Skinner
patent: 2346937 (1944-04-01), Olson
patent: 2457322 (1948-12-01), Sandusky
patent: 2516084 (1950-07-01), Wells
patent: 2930831 (1960-03-01), Hemig
patent: 3385467 (1968-05-01), Lindenberg
patent: 3708348 (1973-01-01), Painter

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