| 摘要 |
FIELD: transport. ^ SUBSTANCE: invention relates to aircraft engineering, namely, to aircraft steering drive. Proposed drive comprises housing with hydraulic lines communicated with delivery and drain lines, hydraulic motor, check valve and filter arranged in pressure line. Besides, proposed drive comprises electrohydraulic vale for forced jamming of main slide valve, back-up slide-type cylindrical control vale made up of mane spool valve articulated with inlet bell crank and arranged aligned inside backup-spool valve locked in neutral position by centering spring and provided with two eccentric grooves. Main spool valve collar has annular groove of specified section interconnecting two eccentric grooves. ^ EFFECT: higher reliability. ^ 1 dwg |
