Power transmission system for vehicle

Details Power transmission system for vehicle Power transmission system for vehicle

1992-02-11

1993-08-24

Lorence, Richard M.

Planetary gear transmission systems or components

Planet pinion is friction gear

Variable speed ratio

475 59, 475195, 475216, F16H 3706

Patent

active

052384608

ABSTRACT:
A power transmission system for a vehicle has a first power transmission path having a forward-reverse shift mechanism and a reduction gear, a second power transmission path having an infinitely variable gear, and a path switching mechanism which switches the power transmission path between the first and second power transmission paths according to the running condition of the vehicle. The infinitely variable gear is a toroidal speed change mechanism having an output disk fixed to the output shaft of the power transmission system, an input disk which can be displaced in the axial direction of the output shaft and a roller which is in contact with both the input and output disks to rotate about an axis in response to rotation of the input disk and transmit rotation of the input disk to the output disk, the transmission ratio of the toroidal speed change mechanism being changed by changing the inclination of the axis about which the roller rotates.

REFERENCES:
patent: 3244025 (1966-04-01), Francisco
patent: 3406597 (1968-10-01), De Brie Perry et al.
patent: 3548682 (1970-12-01), Schofield et al.
patent: 3618423 (1971-11-01), Chery
patent: 3628398 (1971-12-01), Chery
patent: 4638687 (1987-01-01), De Brie Perry
patent: 4693134 (1987-09-01), Kraus

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