HYDRAULIC CONTROL DEVICE OF TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION

摘要

PROBLEM TO BE SOLVED: To provide a hydraulic control device of a toroidal continuously variable transmission for always stably restraining vibration of a carriage. SOLUTION: Variable orifices 903 and 907 are arranged in a hydraulic circuit for applying driving force to the carriage 8. A passage resistance value of the variable orifices 903 and 907 is changed on the basis of an oil temperature by a control device 21.