Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Having means to control electrolyte level when liquid is...
Patent
1979-10-10
1981-03-24
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 88, H01M 236
Patent
active
042581079
ABSTRACT:
The invention involves storage batteries and, more particularly a storage battery wherein a battery container cover has a specially improved structure. This is a storage battery wherein a hollow electrolyte filled part common to respective cells is made in a cover, venting and electrolyte pouring holes, electrolyte level defining tubes projected at the upper ends from the bottom of the electrolyte filled part and suspended at the lower ends substantially down to a defined electrolyte level and dividing walls dividing the electrolyte filled part into cell units and lower than the upper ends of the above mentioned electrolyte level defining tubes are provided as adapted to respective cells in the bottom of the electrolyte filled part, an exhaust port common to the respective cells is provided at one end of the electrolyte filled part, an electrolyte pouring port common to the respective cells is provided in the upper part of the electrolyte filled part and a holeless electrolyte port plug closing the above mentioned electrolyte pouring port is provided. Thus, in this storage battery, the electrolyte pouring operation can be easily made, a proper amount of the electrolyte can be poured in, further the amount of the electrolyte flowing back to the electrolyte filled part during the use can be returned to the original cell, the electrolyte can be prevented from leaking out and the generated gas can be favorably exhausted.
REFERENCES:
patent: 3708348 (1978-01-01), Painter
patent: 3772088 (1973-11-01), Hennen
patent: 4087592 (1978-05-01), Okazaki
patent: 4117205 (1978-09-01), Kitai
Walton Donald L.
Yuasa Battery Company Limited
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