Solid state voltage regulated automotive-type electrical power s

Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied

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174 52H, 357 75, 361421, H02P 930, H01L 2500

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active

041288025

ABSTRACT:
A multi-phase generator has a separately excited shunt field which is controlled by a voltage regulator. A free-wheeling diode is connected in parallel with the field. The voltage regulator is included in a single, hermetically sealed housing which has a metal base plate forming one terminal of the voltage regulator; two insulated terminals project from the voltage regulator and are sealed, in insulated relation, through the housing, preferably the base plate. Three monolithic semi-conductor integrated circuit (IC) chips are located within the sealed housing, two of them soldered to the base plate so that one of the semi-conductor connections of the chip are directly connected to the base plate, the connection being for the collector of the power transistor and the anode of the free-wheeling diode, the control portion of the voltage regulator being secured to a ceramic plate which is attached to the base plate, other terminals from the voltage regulator are being effected internally, by bonding wires, and to the two externally excessible contacts, so that the entire assembly is simple, readily manufactured, and requires little assembly, labor and time for connection to an alternator structure.

REFERENCES:
patent: 3532962 (1970-10-01), Balcke et al.
patent: 3539907 (1970-11-01), Linstedt
patent: 3582762 (1971-06-01), Mori et al.
patent: 3588617 (1971-06-01), Grozinger et al.
patent: 3876926 (1975-04-01), Schott et al.
patent: 4032964 (1977-06-01), Boeters

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