Electricity: single generator systems – With signals – indicators – recorders – testing – etc.
Patent
1983-11-09
1985-10-22
Hickey, R. J.
Electricity: single generator systems
With signals, indicators, recorders, testing, etc.
320 64, 361 20, H02J 714, H02P 904
Patent
active
045491283
ABSTRACT:
An improved charging generator controlling circuit which is capable of detecting failures which could not be detected with prior art such circuits, thereby providing greater security of the electrical system in the vehicle in which the circuit is employed. A full-wave rectifier rectifies the AC output of the armature coils of the generator, the rectifier including first and second rectifier output terminals and a ground terminal. The field coil is coupled to be excited by the output provided at the second rectifier output terminal of the rectifier. A battery is coupled to an output provided at the first rectifier output terminal of the rectifier to be charged thereby. A voltage regulator controls the application of exciting current to the field coil, thereby to maintain the output voltage from the generator at a first predetermined value. A charge display lamp is connected through a keyswitch between the battery and the ground terminal. A first switching unit is connected between the keyswitch and the second rectifier output terminal, while a second switching unit is connected in series with the charge display lamp and the ground terminal. A detector circuit detects the voltage at the second rectifier output terminal to thus detect the uncontrolled and non-power-generation states. A diagnosing unit actuates the switching units in response to outputs of the detector circuit.
REFERENCES:
patent: 4316134 (1982-02-01), Balan et al.
patent: 4336487 (1982-06-01), Tanaka et al.
patent: 4362982 (1982-12-01), Akita et al.
patent: 4381483 (1983-04-01), Muto et al.
patent: 4471287 (1984-09-01), Morishita et al.
Kouge Shinichi
Morishita Mitsuharu
Hickey R. J.
Mitsubishi Denki & Kabushiki Kaisha
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