Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Electrolyte feeding control from reserve supply
Patent
1987-10-13
1988-06-07
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Electrolyte feeding control from reserve supply
429 76, 137414, 137433, H01M 236
Patent
active
047496339
ABSTRACT:
An automatic battery watering device includes a housing mounted in the battery cell opening. The housing has a chamber for receiving pressurized water, an internal valve opening for passing the water into the cell, a valve pin mounted in the valve opening, a float that is mounted in the battery electrolyte and connected to the lower end of the pin so as to rise and fall in response to a change in the liquid level in the cell, and a pair of internally mounted diaphragms which center and support the pin and float. The pin has a valve member for blocking the internal valve opening when the float is at an appropriate level. When the float is lowered after a drop in the level of the electrolyte, the internal valve member opens so water can flow into the battery to replenish the liquid level. The housing passes gas from the battery to the atmosphere along a path independent of the water passage.
REFERENCES:
patent: 1467966 (1923-09-01), Watzman
patent: 3189063 (1965-06-01), Lowe
patent: 4013091 (1977-03-01), Hudson
patent: 4386141 (1983-05-01), Weidner et al.
Chandler Charles W.
Skapars Anthony
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