SINGLE-TURN ELECTRIC DRIVE Russian patent published in 2021 - IPC F16K31/05 

FIELD: electric drives.

SUBSTANCE: invention relates to the field of electric drives, namely to combined means of control of valves, and can be used on pipelines for the transportation of oil, oil products and gases, in the chemical and petrochemical industries. The effect is achieved by the fact that a two-stage planetary gearbox 4, a visual indicator of the position of the output shaft 37, a potentiometer 38, an intermediate gearbox 39 are additionally introduced into a device containing an electric motor 1, a preliminary gearbox 3, an output shaft 14, a torque limiting device 15, an irreversible clutch 2, gear train 40, manual drive with multiplier and torque limiting clutch 27.

EFFECT: improving the reliability of functioning and fault tolerance, expanding operational capabilities, namely, determining the current position of the output shaft directly at the place of operation of the electric drive.

1 cl, 1 dwg