Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1982-03-03
1984-05-29
Beha, Jr., William H.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 48, 322 99, H02J 724
Patent
active
044517742
ABSTRACT:
In a roadway vehicle having a storage battery and an engine-driven alternator, the battery voltage is controlled by a voltage regulator which has a first voltage detector for detecting when the battery voltage reduces below a higher reference level at which the battery voltage is normally controlled, and a second voltage detector for detecting when the battery voltage reduces below a lower reference level. A third voltage detector detects when the alternator voltage rises above a predetermined level. A logic gate circuit responds to outputs from the second and third voltage detectors by generating a warning signal. A semiconductor switching element is coupled in series with the field coil of the alternator to supply thereto the alternator voltage in response to a switching control which is generated in response to an output signal from the first voltage detector to cause the switching element to operate the alternator in a high output state and in response to the logic gate circuit to operate the alternator in a low output state.
REFERENCES:
patent: 3866106 (1975-02-01), Taguchi
patent: 4020414 (1977-04-01), Paredes
patent: 4280087 (1981-07-01), Kasiewicz
patent: 4315205 (1982-02-01), Mori et al.
patent: 4316134 (1982-02-01), Balan et al.
patent: 4413222 (1983-11-01), Gansert et al.
Akita Yoshio
Maruyama Toshinori
Teshima Takanori
Torii Koshi
Beha Jr. William H.
Nippondenso Co. Ltd.
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