ELECTROMECHANICAL DRIVE Russian patent published in 2018 - IPC F16H13/08 

FIELD: electrical engineering.

SUBSTANCE: invention relates to actuators. Electromechanical drive includes a housing with a cover in which an electric motor is installed, an inverted roller screw drive and an output shaft. Electric motor comprises a stator fixed to the inner surface of the housing, and a rotor made in the form of a hollow cylinder, an inverted roller rotor gear is housed inside the rotor and comprises two nuts rigidly connected to each other and to the rotor and having an internal multi-thread of different directions, two screws made hollow, placed around the output shaft, rigidly connected to each other and to the output shaft and having an external multi-thread of different directions, two supporting screws made hollow, placed around the output shaft from both sides of the two screws coaxially with them, rigidly fixed to the body or cover and having an external multi-threaded thread of different directions, and threaded rollers installed between nuts on one side and screws and support screws on the other side and having one pair of threaded portions with a multi-threaded thread of different directions, wherein each threaded portion of said pair of threaded portions is in cooperation with the internal thread of the nut and the external thread of the screw and/or the support screw.

EFFECT: better performance is provided.

14 cl, 8 dwg