Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1981-07-08
1982-12-07
Shoop, William M.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
322 28, 322 99, H02J 700
Patent
active
043629822
ABSTRACT:
A voltage regulator of a generator for vehicles includes an excitation control circuit for controlling the initial excitation of the generator and the full excitation succeeding to the initial excitation. The excitation control circuit also includes an indication lamp for indicating whether the generator is in a generating state or not. A generator output detecting circuit has a single input terminal to receive an output voltage developed in a stator winding of the generator and compares the output voltage respectively with a first reference level corresponding to an initial voltage build-up and a second reference level higher than the first reference level.
An on-off control signal producing circuit produces an on-off control signal having a predetermined duty ratio and delivers the on-off control signal to the excitation control circuit until the output voltage of the generator reaches the first reference level, that is, during the initial excitation stage, thereby to excite the field winding intermittently with the predetermined duty ratio. When the output voltage of the generator reaches the second reference level, the indication lamp is extinguished to indicate that the generator is now in the generating state.
REFERENCES:
patent: 3984755 (1976-10-01), Lehnhoff et al.
patent: 4000453 (1976-12-01), Sheldrake et al.
patent: 4019120 (1977-04-01), Fattic
patent: 4041369 (1977-08-01), King et al.
patent: 4141613 (1979-02-01), Mori et al.
patent: 4286205 (1981-08-01), Watrous
patent: 4316134 (1982-02-01), Balan et al.
Akita Yoshio
Maruyama Toshinori
Muto Katsuya
Nippondenso Co. Ltd.
Shoop William M.
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