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Method of Non-Invasively Monitoring Pressure of a Compressed Gas In A Closed Container

Abstract: 

A method for non-invasively monitoring a pressure of a compressed gas inside a closed container includes: forming a magnetic circuit through a portion of the outside wall of the container; detecting magnetic flux amplitude changes in the magnetic circuit created by a transient stress in the outside wall of the container; producing data representing the magnetic flux amplitude changes; and monitoring pressure changes from a nominal pressure by evaluating the data representing the magnetic flux amplitude changes.

Patent Number: 
5,747,696
Date Of Issue: 
05/05/1998
Inventors: 

Hegeon Kwun;Michael Allen Piskie;Tony Gioutsos