Electromagnetically coupled battery charger

Details Electromagnetically coupled battery charger Electromagnetically coupled battery charger

1975-11-20

1977-06-21

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 23, 320 39, 320 59, 336211, H02J 704

Patent

active

040314499

ABSTRACT:
A solid state electronic battery charger which is electromagnetically coupled to one or more batteries. A charging circuit energizes a drive winding to produce an alternating field received by an associated coupler and operative to convey charging current to a battery connected thereto. A sense winding monitors the level of the alternating field to derive a signal representative of the battery charge level and which causes a tapered charge to be supplied to the battery and an indication of a sensed fully charged state. A proximity sensor can be provided to denote the presence of a coupled battery and by which charging operation is commenced.

REFERENCES:
patent: 2502398 (1950-03-01), Yenni
patent: 3188562 (1965-06-01), Kusters et al.
patent: 3280363 (1966-10-01), Powell
patent: 3641336 (1972-02-01), Boin
patent: 3736480 (1973-05-01), Lee
patent: 3885211 (1975-05-01), Gutai

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