Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1993-08-30
1996-01-30
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
H02J 702
Patent
active
054882850
ABSTRACT:
An automatic battery charging apparatus for driverless transport vehicle is presented so as to enable disconnecting the charging source from the batteries when a certain pressure is reached in the interior of at least one battery. A pressure sensor provided inside the battery is set so that the contact of a relay opens when a certain interior pressure which is lower than the activating pressure for a safety valve provided on the battery. This prevents an excessive pressure build up in the battery interior caused, for example, by accidental over-charging, which would release damaging gases and corrosive vapors from the over-charged battery to the outside environment.
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patent: 5049802 (1991-09-01), Mintus et al.
"Automatic Charger", Takashi, Patent Abstracts of Japan vol. 15, No. 98 (1991).
Shinko Electric Co. Ltd.
Tso Edward
Wong Peter S.
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