Electricity: single generator systems – With signals – indicators – recorders – testing – etc.
Patent
1980-05-22
1983-04-12
Hickey, R. J.
Electricity: single generator systems
With signals, indicators, recorders, testing, etc.
320 48, 322 28, 324158MG, 361 21, G01R 3102, G08B 2100, H02J 724
Patent
active
043799906
ABSTRACT:
An in situ self-diagnostic automotive alternator battery charging system is disclosed. Included are: a battery; voltage regulator sensing battery voltage and generating an excitation signal; and an alternator driven by a vehicle engine provide a rectified electrical signal to charge the battery in response to the excitation signal. Electronic circuit status detectors, variously coupled to the battery, voltage regulator and alternator, maintain a first logic state when a corresponding signal characteristic is within a predetermined range and a second logic state when the corresponding characteristic is outside the predetermined range. Combinatorial logic means respond to a logic state sequence from the detectors to identify predetermined sequences of the logic states resulting in the identification of faults in the charging system. The logic means also provides a warning to the operator of detection of a fault and a display of the location of the fault as occurring in one of the major components of the charging system.
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patent: 3435327 (1969-03-01), Merhof et al.
patent: 3629704 (1971-12-01), Stevens
patent: 3733518 (1973-05-01), Polulyakh et al.
patent: 3942097 (1976-03-01), Itoh et al.
patent: 4019120 (1977-04-01), Fattic
Ford 1972 Car Shop Manual 31-10-02.
Mortonson Robert W.
Sievers Kirk A.
Downey Joseph T.
Gillman James W.
Hickey R. J.
Motorola Inc.
Pristelski James S.
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