Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Electrolyte feeding control from reserve supply
Patent
1987-01-29
1988-06-14
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Electrolyte feeding control from reserve supply
429 91, 429 76, 137260, 141205, H01M 236, H01M 1048
Patent
active
047511567
ABSTRACT:
A cap (10) for accumulators suited for the automatic refill of distilled water includes a main body (20) inside which there is a chamber (13) suited for the distribution of the distilled water through a hole (14). The hole is shut by a valve (32) controlled by a float (30) and connected to the float by means of a toggle joint. The toggle joint consists of a right-angled lever (35) and of a shaft (34) connected by a hinge to the lever and to the valve. The toggle joint ensures a very high force for the shutting of the valve, such as to stand high deliveries of liquid even under pressure. The cap is also equipped with a float (30) in the shape of an upside-down glass, that is, open at the bottom on the side of the liquid upper surface, so that the push on the float is determined by the over-pressure of the air and the gasses contained in the interior of the float. The overpressure increases in direct relation to the rising of the electrolyte level. The gasses which develope inside the accumulator are discharged through a cap (40) equipped with radial holes (5) and with a ceramic filter suited to the expansion of the gasses.
REFERENCES:
patent: 1268947 (1918-06-01), Fell
patent: 1403041 (1922-01-01), Lawson
patent: 1530430 (1922-05-01), Skelton
patent: 1703233 (1929-02-01), Hall et al.
patent: 1942908 (1934-01-01), Swain et al.
patent: 2872500 (1959-02-01), Rowls
patent: 4386141 (1983-05-01), Weidner et al.
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