STEPLESS TRANSMISSION CONTROL SYSTEM Russian patent published in 2013 - IPC F16H61/664 F16H15/38 F16H37/08 

FIELD: motor car construction.

SUBSTANCE: transmission comprises variator 10 and throw-over gear including step-down clutch C_L and step-up clutch C_H. Throwing in step-down clutch to set transmission to step-down conditions. Throwing in step-up clutch moves transmission to step-up conditions. Control system comprises control part (for example, handle) to be displaced by driver along control path from low gear ratio end to high gear ratio end. Besides, said system comprises set-down clutch control device to throw in step-down clutch when control device is located between low gear end and transitional point of step-down clutch and to throw out step-down clutch when said control device is located between said transitional point of step-down clutch and high gear end. Besides, said system comprises set-up clutch control device to throw out step-up clutch when control device is located between down clutch when said control device is located between said transitional point of step-up clutch and high gear end.

EFFECT: simplified variator control device.

15 cl, 8 dwg