Air over hydraulics actuator system

A valve actuation system with cooperating pneumatic and hydraulic control features. Compressed pneumatic fluid is generated in a pneumatic fluid supply, and flows in response to requirements between a predetermined command signal and an existing position of a working fluid valve. Hydraulic fluid is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HAROLDSEN CRAIG GRANT, MCKELL SAMUEL HOLLEY, WINKEL LAREN JAMES, GOOCH ROBERT EDMUND
Format: Patent
Sprache:eng
Schlagworte:
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