Motor vehicles – Having four wheels driven – With manually operated means for disengaging drive to one or...
Patent
1982-05-21
1984-07-03
Peters, Jr., Joseph F.
Motor vehicles
Having four wheels driven
With manually operated means for disengaging drive to one or...
74695, 180248, 180297, B60K 1734
Patent
active
044573944
ABSTRACT:
A four-wheel drive system for a vehicle, comprising an engine having an output shaft rotatable about an axis in a lateral direction of the vehicle; a transmission gear unit including input and output shafts each having an axis of rotation parallel with the axis of rotation of the output shaft; a first wheel drive gear unit comprising power splitting gear means to split driving power from the transmission output shaft into two driving power components, and a first differential gear assembly for a pair of road wheels, the power splitting gear means and the first differential gear assembly being aligned with the transmission output shaft; and a second wheel drive gear unit comprising a second differential gear assembly for another pair of road wheels; the first wheel drive gear unit further comprising final reduction gear means positioned between the power splitting gear means and the first differential gear assembly, and power transfer gear means intervening between the power splitting gear means and the second wheel drive gear unit and comprising a driving bevel gear rotatable about an axis aligned with the axis of rotation of the transmission output shaft, the right-angle power transfer gear means comprising a driven bevel gear rotatable about an axis in a fore-and-aft direction of the vehicle body and held in mesh with the driving bevel gear.
REFERENCES:
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patent: 3557634 (1971-01-01), Bixby
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patent: 4074591 (1978-02-01), Dick
patent: 4205563 (1980-06-01), Gorrell
patent: 4317389 (1982-03-01), Falzoni
Fugate D. Lynn
Nissan Motor Company Limited
Peters Jr. Joseph F.
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