ELECTROHYDROMECHANICAL DRIVE Russian patent published in 2002 - IPC

Abstract RU 2191138 C2

FIELD: servo drives; control systems of manned flying vehicles. SUBSTANCE: drive includes hydraulic distributor 8 made in form of two cylindrical spool valves, one inside other; outer spool valve is rigidly connected with rod 21 of servo unit and inner spool valve is connected with bell crank which consists of two articulated levers 9 and 10 for emergency automatic control in case of seizure of mechanical control linkage of flying vehicle; provision is made for relative motion of said levers by means of mechanical retainer 11 made in form of two spring-loaded plungers located inside lever 10 connected with inner spool valve of hydraulic distributor 8. EFFECT: simplified construction; reduced overall dimensions of drive. 2 cl, 2 dwg

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RU 2 191 138 C2

Authors

Red'Ko P.G.

Bortsov A.A.

Tychkin O.V.

Banin Ju.M.

Kharitonov Ju.L.

Dates

2002-10-20—Published

2000-08-18—Filed