| 摘要 |
FIELD: engineering industry. ^ SUBSTANCE: speed control includes planetary reduction gear and two electric motors, one of which is mechanically connected to outer wheel, and the other one - to reduction gear wheel. Between wheel and gear wheel there are planetary gears the shafts of which are connected to output shaft of the device. ^ EFFECT: increasing speed range of control and operational life. ^ 3 cl, 1 dwg |
