Front wheel- and rear wheel-drive vehicle

Details Front wheel- and rear wheel-drive vehicle Front wheel- and rear wheel-drive vehicle

1996-04-17

1998-08-04

Johnson, Brian L.

Motor vehicles

Power

Electric

180 656, 180247, B60K 100

Patent

active

057880050

ABSTRACT:
Either the front wheels or the rear wheels of a front wheel- and rear wheel-drive vehicle are driven by an engine and the other thereof are driven by an electric motor. A .mu. detecting circuit detects a coefficient of friction on a road surface. A control circuit controls to operate the electric motor such that, when the vehicle is started in a condition in which a detected coefficient of friction is below a predetermined value, an output torque of the electric motor becomes a predetermined set value corresponding to the detected coefficient of friction.

REFERENCES:
patent: 4923025 (1990-05-01), Ellers
patent: 5018595 (1991-05-01), Hara et al.
patent: 5180027 (1993-01-01), Hagiya
patent: 5249641 (1993-10-01), Sakata
patent: 5263548 (1993-11-01), Tsuyama
patent: 5575350 (1996-11-01), Kiryu et al.

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