Four-wheel-drive system for vehicle

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

Patent

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Details

747105, B60K 504, B60K 1734

Patent

active

044284527

ABSTRACT:
A four-wheel-drive system for a vehicle, comprising a power unit having an output shaft in a lateral direction of the vehicle, a power transmission gear unit having input and output shafts parallel with the output shaft of the power unit, a speed reduction gear to be driven by the transmission output shaft, two final reduction gear units one of which is arranged for driving the front road wheels and the other of which is arranged to drive the rear road wheels of the vehicle, and a planetary gear assembly including a sun gear connected to one of the final reduction gear units, a ring gear connected to the other of the final reduction gear, and a pinion carrier connected to the speed reduction gear, the planetary gear assembly being capable of providing a differential action between the sun and ring gears thereof.

REFERENCES:
patent: 3265173 (1966-08-01), Russell
patent: 3350960 (1967-11-01), Lamburn et al.
patent: 3378093 (1968-04-01), Hill
patent: 3557634 (1971-01-01), Bixby
patent: 3889771 (1975-06-01), Kronogard
patent: 3895546 (1975-07-01), Yamaguchi et al.
patent: 4074591 (1978-02-01), Dick
patent: 4208923 (1980-06-01), Ikegami

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