Motor vehicles – Having four wheels driven
Patent
1986-08-29
1987-12-01
Pekar, John A.
Motor vehicles
Having four wheels driven
74866, 3644241, B60K 1734
Patent
active
047097752
ABSTRACT:
A torque control system for vehicles provided with a four-wheel drive mechanism including a power plant having an engine and transmission, and torque control means for controlling a torque distribution between front and rear wheels detecting rotation speed difference between the front and rear wheels so that the torque distribution ratio of the rear wheels to the front wheels can be maintained at a given constant value irrespective of a change of the output torque of the power plant. The torque control system is provided with a vehicle speed sensor and steering angle sensor in order to obtain the rotation speed difference.
REFERENCES:
patent: 4466502 (1984-08-01), Sakai
patent: 4576061 (1986-03-01), Yamakawa
Hiketa Manabu
Hiruta Hideshi
Watanabe Ken'ichi
Mazda Motor Corporation
Pekar John A.
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