Four-wheel drive apparatus for automotive vehicles

Details Four-wheel drive apparatus for automotive vehicles Four-wheel drive apparatus for automotive vehicles

1988-03-29

1990-02-06

Marmor, Charles A.

Motor vehicles

Having four wheels driven

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

74665G, B60K 17352

Patent

active

048982598

ABSTRACT:
A full-time four-wheel drive apparatus for an automotive vehicle includes a planetary gear unit for shifting purposes, a shift changeover unit, a differential unit and a transfer unit for transferring rotating power from the rear-wheel side to the front-wheel side or vice versa. The shift changeover unit is arranged on the side of said planetary gear unit directed to the input shaft of the four-wheel drive apparatus, the carrier of the planetary gear unit is connected to the output shaft of the four-wheel drive apparatus, the differential unit is arranged between the planetary gear unit and the transfer unit, and a rotating force outputted by the planetary gear unit is transferred to the rear-wheel side and front-wheel side. Fluxure force exerted on a main shaft caused by the transfer unit based on a chain is eliminated and axial length of the apparatus is reduced.

REFERENCES:
patent: 4678055 (1967-07-01), Yoshinka et al.

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