HYDRAULIC SERVO CONTROL VALVES - PART 1. A SUMMARY OF THE PRESENT STATE OF THE ART OF ELECTRO-HYDRAULIC SERVO VALVES [report]

R. E. BOYAR, B. A. JOHNSON, L. SCHMID
1955 unpublished
A summary of the present state of the art of electro-hydraulic servo valves suitable for aircraft and missile application is presented. This information was obtained from direct visits to both the valve manufacturers and the valve users, namely: the missile and aircraft manufacturers. The valve manufacturers were contacted to obtain detailed design and performance data on the valves; the valve users were contacted to determine the system and valve requirements and to determir.e how adequately
more » ... .e how adequately the valves presently being used meet these requirements.
doi:10.21236/ad0070616 fatcat:ltinhpguuvbijon64ytoiwzywm