Simple control device for safety of hydrogen vehicle

Simple control device for safety of hydrogen vehicles  

Author: David Judbarovski, principle inventor, retired engineer, Israel
judbarovski@gmail.com 
Short CV: https://www.linkedin.com/in/david-judbarovski-1390944a/
Last articles: http://judbarovski.blogspot.be
Archive since 2006 yr.: http://judbarovski.livejournal.com  
A very simple device can identify reliably even a very small leakage of hydrogen from a hydrogen balloon and prevent the formation of explosive mix with the air.
It is a vessel is slightly bigger than the hydrogen balloon together with fuel cell, and the both sank inside the vessel.
The said vessel is filled by the water and a closed thin tube with the air is on the top of the vessel.

In a case of the hydrogen leakage the air pressure would grow inside the said thin tube, and it can serve as a control device of the hydrogen leakage.

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