Transfer apparatus for 4-wheel driving

Details Transfer apparatus for 4-wheel driving Transfer apparatus for 4-wheel driving

1990-02-12

1991-01-15

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192103F, 192 85AA, 180251, F16D 4328

Patent

active

049846639

ABSTRACT:
A rotational force which was input from a transmission is received by a main shaft and transferred to the rear wheel side. The rotational force of the main shaft is transferred to the front wheel side through a hydraulic clutch. The hydraulic clutch receives the supply of an operating hydraulic pressure from an oil pump which is driven by a DC motor. Further, an operating hydraulic pressure is supplied in parallel to the hydraulic clutch from a second oil pump which is driven by the main shaft. The DC motor is driven only in the low-speed mode, stop mode, and reverse mode. On the other hand, after the motor was turned on at a rotational speed of a predetermined rotational speed or less, if the speed does not reach a second rotational speed higher than the predetermined rotational speed, the motor is not turned off.

REFERENCES:
patent: 4576061 (1986-03-01), Yamakawa et al.
patent: 4895236 (1990-01-01), Sakakibara et al.

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