Water-Armed/Air-Safed Release Apparatus.
Abstract
This abstract discloses an improved release apparatus, including an actuator device, a release device and a firing device, releases the firing device in a water environment and not in an air environment when the actuator device is remotely actuated. When in a water environment, a predetermined gas pressure from the actuator device drives forward a pusher piston and valve sleeve arrangement, disposed in a water chamber of the release device, initially to close off lower entry/exit orifices in the water chamber by action of the valve sleeve, and then to compress an entrapped column of water to a predetermined water pressure sufficiently to cause shearing off of an annular lip of a ball lock piston thereby separating the firing device from the release device. When in an air environment, the pressure from a compressed entrapped air column is not sufficient to cause shearing off or folding down of the annular lip of the ball lock piston, and, accordingly, the release apparatus is safed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 02, 1981
- Accession Number
- ADD008176
Entities
People
- Charles W. Goode
- Douglas M. Hinely
- Louis J. Montesi
- R. R. Durrell
Organizations
- United States Department of the Navy