Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Electrolyte feeding control from reserve supply
Patent
1986-06-23
1987-09-29
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Electrolyte feeding control from reserve supply
429 73, 429 74, 429 76, 141199, H01M 236
Patent
active
046968741
ABSTRACT:
Plug for cells of electrical storage batteries comprising a cylindrical body (4), fastened to the vent stack (2) of the cover, capable of being connected by two pipes (7) to the immediately preceding and to the immediately following plug, and provided with two parallel cylindrical cavities (14 and 16): one central cavity (14), in the interior of which a toothed hollow stem (10) of a float (11) slides; and one lateral cavity (16), in the interior of which a smaller rod (17), which is also toothed, slides, on which a heavy metal sphere (18) rests. The stem (10) and the rod (17) are constrained to the two arms of a rocker lever (23) hinged on a pin (22) in the lower hollow portion (20) of the body (4). When the float (11) and its hollow stem (10) move upwardly, the rod (17) and the sphere (18) move downwardly. When the electrolyte is at its right level, the sphere (18) rests on a ring (19) and closes the access of filling-up water to the cavity (16) housing the rod (17) . A cover (8) closes, not tightly, the end of the hollow stem (10). As an alternative, this end can be tightly sealed, and a cylindrical sleeve of hydrophobic microporous ceramic (33) bounds laterally this end, to allow escape of gases.
REFERENCES:
patent: 2141079 (1938-12-01), Bolich
patent: 3132663 (1964-05-01), Abbott
patent: 3911972 (1975-10-01), Hubers et al.
patent: 4165769 (1979-08-01), Hoffmann
patent: 4386141 (1983-05-01), Weidner et al.
patent: 4527593 (1985-07-01), Campau
La Batteria di M. Tadiello S.r.l.
Skapars Anthony
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