Electric power supply system for motor vehicle

Details Electric power supply system for motor vehicle Electric power supply system for motor vehicle

1989-01-12

1991-06-04

Beha, Jr., William H.

Electricity: single generator systems

Combined control of generating means and load circuit

322 28, 323267, H02J 100

Patent

active

050217275

ABSTRACT:
A power supply system for a motor vehicle includes a battery of high voltage for a load system rated at 48V and a high-voltage generator for charging the battery. Loads rated at high voltage are supplied with electric power directly from the battery. A power MOS IC element connected in parallel with the battery is controlled in accordance with a predetermined duty factor for producing at an output terminal thereof an average low voltage of 24V or 12V, wherein low-voltage loads are supplied with the low output voltage.

REFERENCES:
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patent: 4034232 (1977-07-01), LaVenture
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patent: 4645948 (1987-02-01), Morris et al.
patent: 4692684 (1987-09-01), Schaeffer
patent: 4694238 (1987-09-01), Norton
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patent: 4841425 (1989-06-01), Maeba et al.
patent: 4868908 (1989-09-01), Pless et al.
Jarrett et al., "Dual Voltage Electrical Systems for Future Autos", Design News, Oct. 6, 1986, pp. 140-142.

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