Stepless transmission control device

Details Stepless transmission control device Stepless transmission control device

1987-07-20

1989-01-03

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Fluid pressure actuator for adjustment of member

74868, F16H 1102

Patent

active

047954078

ABSTRACT:
A hydraulic control system for a stepless belt and pulley transmission in which the sides of the pulleys are movable by hydraulic pressure to vary the position of the belt and thereby the transmission ratio and belt tension. The control system comprises control valves including servo mechanisms for controlling the supply of operating fluid to the pulleys during various phases of system operation.

REFERENCES:
patent: 4152947 (1979-05-01), Van Deursen et al.
patent: 4716791 (1988-01-01), Ohzono et al.

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