Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1977-09-08
1979-05-22
Hickey, Robert J.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
307 16, 320 57, 322 90, H02J 714
Patent
active
041561716
ABSTRACT:
To provide for automatic charging of two batteries which are series connected, particularly to supply the on-board network of an automotive vehicle from a main battery and to supply additional higher surge voltage output to the vehicle starter, a three phase alternator has output rectifiers connected to two phases, and the rectifier to the main battery, the third phase with its rectifier being connected to the auxiliary battery. The third phase rectifier may, instead of diodes, include a diode-transistor combination, the transistor being controlled by voltage of the second battery to, selectively, charge the second battery or connect the third phase for charging of the main battery. The phase windings of the alternator may all be identical, the lighter loading of the phase connected to the additional battery providing the higher output voltage required thereby.
REFERENCES:
patent: 3710226 (1973-01-01), Seike
patent: 3809995 (1974-05-01), Hardin
patent: 4044293 (1977-08-01), Follmer
patent: 4045718 (1977-08-01), Gray
Hickey Robert J.
Robert & Bosch GmbH
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