MINIATURE DRIVE MOTOR Russian patent published in 2011 - IPC B61L5/00 

FIELD: transport.

SUBSTANCE: invention relates to electrified railway transport and may be used to drive various actuators, primarily, to control overhead contact circuit interrupters. Proposed drive comprises housing, motor coupled via mechanical converter with drive output shaft that serves to connect overhead contact circuit interrupter drive element. Motor and mechanical converter are arranged in said housing, while mechanical converter proper is made up of geared motor with its input shaft coupled with motor output shaft. Overhead contact circuit interrupter drive element is made up of rotary lever and half-coupling. Three-phase induction motor makes drive motor. Besides, proposed drive comprises drive rotational direction electronic switch arranged in housing.

EFFECT: expanded operating performances, simplified design and higher reliability.

4 dwg, 6 cl