Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1997-12-29
1999-11-30
Cuchlinski, Jr., William A.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
180422, B62D 504
Patent
active
059958901
ABSTRACT:
A motor vehicle power steering system includes a hydraulic pump, an electric motor for driving the pump, and a control unit for controlling the electric motor. The control unit includes means for controlling the power supply voltage applied to the electric motor so that said voltage increases up to a maximum value when the load impedance decreases from its unloaded value, and is at a low value when said load impedance is in the vicinity of its unloaded value.
REFERENCES:
patent: 4557343 (1985-12-01), Pickering
patent: 5209317 (1993-05-01), Schnelle
Cuchlinski Jr. William A.
Steele Roderick
Valeo Electronique
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