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

Abstract RU 2672150 C1

FIELD: electrical engineering.

SUBSTANCE: invention relates to actuators. Electromechanical drive contains an inverted roller screw drive and an electric motor mounted on the outside of the drive housing. Inverted roller-screw transmission comprises a cylindrical element, two nuts disposed within said element, rigidly connected to each other and to said element and having an internal multi-threading 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, located 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-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 one pair of threaded portions is in cooperation with the internal thread of one nut and the external thread of one screw and/or one support screw, and the motor comprises an output shaft extending into the housing and associated with the cylindrical member by means of a mechanical transmission.

EFFECT: better performance is provided.

19 cl, 11 dwg

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RU 2 672 150 C1

Authors

Fedosovskij Mikhail Evgenevich

Dunaev Vadim Igorevich

Pustozerov Roman Vladimirovich

Anspuk Dmitrij Adamovich

Dates

2018-11-12Published

2018-01-30Filed