ELECTROHYDRAULIC SERVO DRIVE Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: electromechanical converter 7 is used as a drive for controlling inclination of washer 5. A rotor of the converter is rigidly fitted on shaft 6 which is made in block with inclined washer 5. Inclination of washer 5 is checked during checking of the rotation angle of electromechanical converter 7. A signal from pickup 8 for checking inclination of washer 5 is added algebraically with a signal which depend on difference between inlet signal and feedback signal from pickup 14 of rod position of actuating hydraulic cylinder 15. Limiter-shaper 10 is restricts voltage at adder 11 outlet for preventing setting rotor of electromechanical converter 7 on mechanical supports. Converters 16,25 convert alternative signals into constant ones. EFFECT: improved design. 2 dwg