Deep-sea diving system

Abstract

A diving system that includes a flexible breathing gas reservoir designed to float at sea surface and including a power supply circuit through which a diver is connected to the flexible reservoir to obtain breathing gas. The system includes a device for interrupting the power supply circuit which interrupts the breathing gas supply of the diver when the pressure in the reservoir is lower than a predetermined threshold.

1 - 7 . (Canceled)  
     
     
         8 . A diving system comprising: 
 at least one breathing gas reservoir adapted to float on a water surface, said breathing gas reservoir being at least partially flexible;    a supply circuit adapted to connect the flexible reservoir to a diver for enabling the diver to draw breathing gas from the reservoir;    a device for shutting off the supply circuit which interrupts the breathing gas supply to the diver when the pressure inside the reservoir drops below a predetermined shut-off threshold.    
     
     
         9 . A diving system according to  claim 8 , wherein: 
 the shut-off threshold corresponds to a predetermined difference in pressure between the atmosphere and the interior of the reservoir.    
     
     
         10 . A diving system according to  claim 8 , wherein: 
 the shut-off threshold is predetermined so as to maintain the reservoir in an inflated state.    
     
     
         11 . A diving system according to  claim 8 , wherein: 
 the shut-off device comprises a calibrated valve.    
     
     
         12 . A diving system according to  claim 8 , wherein: 
 the shut-off device is positioned within the supply circuit.    
     
     
         13 . A diving system according to  claim 8 , wherein: 
 the flexible reservoir is coupled to accessories of the system, to which the flexible reservoir provides a buoyancy reserve.    
     
     
         14 . A diving system according to  claim 13 , wherein: 
 the system comprises an auxiliary reservoir.