All-wheel drive system for vehicles

Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...

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Details

180233, 180244, B60K 17344

Patent

active

046050876

ABSTRACT:
In the particular embodiments described in the specification, an all-wheel drive system is disclosed wherein either the wheels of both the front axle and the rear axle of a vehicle are driven continuously and the front axle and rear axle can be rigidly coupled with each other, or wherein the wheels of only one axle are driven continuously while the drive for the wheels of the second axle can be obtained automatically by means of a viscosity clutch arranged in the driving train between the front axle and the rear axle so that the front and the rear axles are coupled with each other essentially rigidly according to the torque. In addition, one or more coupling devices are provided which are constructed so that a decrease in the rotational speed of the front wheels, caused in particular by the actuation of the service brake, cannot be transmitted through the driving train to the rear wheels.

REFERENCES:
patent: 2751029 (1956-06-01), Dixon
patent: 2835143 (1958-05-01), Kelbel
patent: 2884101 (1959-04-01), Warn
patent: 2959237 (1960-11-01), Hill
patent: 3339661 (1967-09-01), Hill et al.
patent: 3827520 (1974-08-01), Mueller
patent: 3993152 (1976-11-01), Fogelberg
patent: 4124085 (1978-11-01), Fogelberg

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