Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1977-12-01
1979-07-10
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 59, 307 51, 307 56, H02J 704
Patent
active
041609417
ABSTRACT:
A multi-purpose battery charger is disclosed, capable of simultaneously charging multiple batteries to a common peak voltage and operable from either an A.C. source of power or a D.C. source of power. The power supply portion of the battery charger includes means for causing the D.C. power source to be used as the primary source for charging if the power supply is connected to both an A.C. and a D.C. power source simultaneously. Means are also included for preventing interaction between the sources of power or damage to the charger if such simultaneous connection is made. The battery charger includes voltage regulator means for maintaining a maximum charging rate to all batteries connected to the charger at one time for as long as any one battery is in a discharged state and for reducing the charging current to all the batteries to a low maintenance charging rate when all the batteries are charged. Individual batteries being charged are protected against both overcharging and interaction between batteries.
REFERENCES:
patent: 2978596 (1961-04-01), Robirds
patent: 3317810 (1967-05-01), Inoue
patent: 3430059 (1969-02-01), Wolff
patent: 3904947 (1975-09-01), Crews
patent: 3919618 (1975-11-01), Coleman et al.
patent: 4048513 (1977-09-01), Frost
American Safety Equipment Corporation
Hickey Robert J.
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