Power transfer device for four-wheel drive vehicle

Details Power transfer device for four-wheel drive vehicle Power transfer device for four-wheel drive vehicle

1986-01-14

1986-10-21

Love, John J.

Motor vehicles

Having four wheels driven

With differential means for driving two wheel sets at...

180233, 180248, B60K 504, B60K 1734

Patent

active

046180222

ABSTRACT:
A power transfer device for a four-wheel drive vehicle comprises a first differential including a differential case arranged to be applied with drive torque from a transmission, a pinion gear rotatably mounted within the differential case, and a pair of side gears rotatably mounted within the differential case and in mesh with the pinion gear; a pair of output shafts connected to the side gears respectively for driving the front and rear road wheels; a second differential including a differential carrier formed to contain the differential case therein, a carrier rotatably mounted within the differential carrier and connected with the differential case for rotation therewith about a common axis, a sun gear integral with one of the side gears, a planetary gear rotatably supported by the carrier and in mesh with the sun gear, a ring gear integral with the inner wall of the differential carrier and in mesh with the planetary gear, the carrier being drivingly connected to an output shaft of the transmission; and a selector mechanism arranged to drivingly connect one of the output shafts or the differential carrier to the front or rear road wheels.

REFERENCES:
patent: 4428452 (1984-01-01), Muraoka et al.
patent: 4541503 (1985-07-01), Akotagawa et al.

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