Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...
Patent
1992-06-24
1994-03-01
Focarino, Margaret A.
Motor vehicles
Having four wheels driven
With differential means for driving two wheel sets at...
180249, 3644241, 74866, B60K 17348
Patent
active
052898954
ABSTRACT:
A control system for a four-wheel drive vehicle includes a center differential provided between a front shaft and a rear shaft. The control system also includes a device for restricting a differential between the front shaft and the rear shaft by operating the center differential to be in a locking condition and a controller for controlling the differential restricting device so that a differential restricting force is increased based on an increase in an engine output. The differential restricting force is decreased based on an increase in a vehicle body speed.
REFERENCES:
patent: 4751856 (1988-06-01), Nakamura et al.
patent: 4754835 (1988-07-01), Stelter et al.
patent: 4937750 (1990-06-01), Gilliam
patent: 5010974 (1991-04-01), Matsuda
patent: 5125490 (1992-06-01), Suzumura et al.
patent: 5152362 (1992-10-01), Naito
Hiruta Hideshi
Kimura Yoshitaka
Masuda Naotsugu
Nakamura Nobuyuki
Shiraishi Masaru
Focarino Margaret A.
Mattix C.
Mazda Motor Corporation
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