SINGLE-TURN ELECTRIC DRIVE Russian patent published in 2022 - IPC F16K31/05 

FIELD: electrical engineering.

SUBSTANCE: invention relates to a single-turn electric drive, namely to combined on-off valve controls, and can be used on pipelines during the transportation of oil, petroleum products and gases, in the chemical and petrochemical industries. The electric drive contains: an electric motor; an irreversible coupling; a preliminary gearbox; a two-stage planetary gearbox; an output shaft; a torque limiting device. Special cases of the electric drive are also described.

EFFECT: increase in the reliability of operation and fault tolerance with the ability to determine the current position of the output shaft directly at the place of operation of the electric drive.

5 cl, 5 dwg