REDUNDANT ELECTROHYDRAULIC DRIVE

REDUNDANT ELECTROHYDRAULIC DRIVE

FIELD: transport, aviation. ^ SUBSTANCE: redundant electrohydraulic drive is intended for flight vehicle control systems. The proposed drive is designed so that each valve cutting in the drive has a spool with an additional shoulder with a groove abutting on the said shoulder on the control chamber...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RED'KO PAVEL GRIGOR'EVICH, KOZLOV OLEG NIKOLAEVICH, BORTSOV ALEKSEJ ANATOL'EVICH, BANIN JURIJ MIKHAJLOVICH, TYCHKIN OLEG VJACHESLAVOVICH, LOBANOV JURIJ IVANOVICH, NADEIN VLADIMIR GRIGOR'EVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:FIELD: transport, aviation. ^ SUBSTANCE: redundant electrohydraulic drive is intended for flight vehicle control systems. The proposed drive is designed so that each valve cutting in the drive has a spool with an additional shoulder with a groove abutting on the said shoulder on the control chamber side. This groove, the electrohydraulic valve closed, makes pressure hydraulic line communicating with appropriate chambers of the hydraulic power control valve, thus allowing the valve and subsequent power piston motion to its extreme rear position. Note here that the power hydraulic control valve chambers, opposite the aforesaid ones, communicate via valve spool channel with the drain line. ^ EFFECT: higher reliability. ^ 3 dwg