Overdrive system for a four-wheel drive vehicle

Details Overdrive system for a four-wheel drive vehicle Overdrive system for a four-wheel drive vehicle

1984-07-26

1986-12-16

Dorner, Kenneth J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74762, 74688, 74866, 74665GC, 180247, F16H 374, F16H 5710, F16H 4708, B60K 17354

Patent

active

046287701

ABSTRACT:
An overdrive system for a four-wheel drive vehicle has an automatic transmission the output of which is transmitted to front wheels and to rear wheels through a drive gear and a driven gear and a hydraulically operated four-wheel drive clutch. The system comprises an overdrive clutch for coupling an oil pump drive shaft of the automatic transmission to the driven gear. When the overdrive clutch is engaged, the rotation of the oil pump drive shaft is transmitted to the front wheels through the clutch and driven gear and drive gear for overdriving the vehicle.

REFERENCES:
patent: 3963085 (1976-06-01), Vinton
patent: 4224837 (1980-09-01), Croswhite
patent: 4298085 (1981-11-01), Moroto et al.
patent: 4417641 (1983-11-01), Kageyama
patent: 4428253 (1984-01-01), Kodama et al.
patent: 4444073 (1984-04-01), Moroto
patent: 4453429 (1984-06-01), Toshio
patent: 4462276 (1984-07-01), Takano
patent: 4466502 (1984-08-01), Sakai
patent: 4485886 (1984-12-01), Takano
patent: 4503927 (1985-03-01), Hayakawa et al.

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