System for controlling four-wheel drive for motor vehicle

Details System for controlling four-wheel drive for motor vehicle System for controlling four-wheel drive for motor vehicle

1995-09-18

1998-10-06

Louis-Jacques, Jacques H.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

701 69, 701 88, 180247, 180248, 180249, 180233, 475295, 475 86, 475221, 192 357, 192103F, G06G 776, B60K 1734

Patent

active

058191941

ABSTRACT:
A system for controlling a four-wheel drive for a motor vehicle comprises a drive mode switch for detecting a drive mode of the motor vehicle selectable between a two-wheel drive mode and a four-wheel drive mode. The four-wheel drive mode is selectable between a direct-coupled four-wheel drive mode. A an auto four-wheel drive mode, a controller controls the distribution of traction between main and secondary driving wheels. A traction transmission train distributes traction between the main and secondary driving wheels. The traction transmission train has an oil pressure supply system having a friction clutch and a solenoid.

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