Method and apparatus for regulating the power supply voltage in

Details Method and apparatus for regulating the power supply voltage in Method and apparatus for regulating the power supply voltage in

1993-02-03

1995-10-03

Stephan, Steven L.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 66, 307 107, H02H 718, H02J 735, H02J 906

Patent

active

054554632

ABSTRACT:
For fuel economy, it is known that the engine of a motor vehicle may be turned off during vehicle operation while the electrical power for various appliances, such as the lighting circuit or the radio must be maintained. Upon restarting the engine, there may be a voltage drop in the vehicle supply circuit voltage with deteriorating effects in the lighting circuit and possibly failure of the radio. The disclosed circuit prevents such effects by limiting the rate of change of variations in vehicle supply circuit voltage as a function of connecting and disconnecting of a high-power component such as the starter.

REFERENCES:
patent: 4210855 (1980-07-01), Harer et al.
patent: 5157271 (1992-09-01), Fujiwara et al.

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