High Pressure, 4-Position, 5-Way, Pilot Operated Valve for Corrosive Media.
Abstract
The patent application relates to a pilot hydraulic fluid pressure operated valve having the function of a 4-position 5-way valve for controlling the flow of high pressure corrosive media in a high pressure environment such as the deep ocean. The valve body contains two double-ended axially aligned poppet pistons each of which comprise a large pilot actuated piston in the center of the 'spool' and each of which have a valve poppet at each end of the 'spool' for control of the media which may be sea water ballast of a deep submergence vehicle for example.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 25, 1975
- Accession Number
- ADD001214
Entities
People
- John A. Sasse
- William E. Schneider
Organizations
- United States Department of the Navy