Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1980-05-22
1982-02-02
Hickey, Robert J.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
320 64, 322 99, 324158MG, H02J 714
Patent
active
043141935
ABSTRACT:
A detector monitoring the operational status of the field coil circuit in a multiphase alternator and voltage regulator battery charging system is disclosed. Circuit means monitor a first signal at a first terminal of the field coil circuit. Means generate sampling intervals on a repetitive basis. Circuit means interrupt the excitation signal supplied to the field coil by the voltage regulator during the sampling intervals. A second signal is measured during sampling intervals at a second terminal of the field coil circuit. Comparator means compare the first and second signals and produce an output signal when the comparison varies from a predetermined value.
REFERENCES:
patent: 3305774 (1967-02-01), Heath
patent: 3673489 (1972-06-01), Riff
patent: 4086531 (1978-04-01), Bernier
Hanisko et al., "Four Quad of AMPS Diagnose Automobile Voltage Regulator" Electronics, Apr. 14, 1977, pp. 124-126.
Downey Joseph T.
Gillman James W.
Hickey Robert J.
Motorola Inc.
Pristelski James S.
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