| abstract |
The invention relates to a security device forming a pressurized gas release valve, said device including a body that defines a gas flow channel (1) extending between a first upstream end (11), to be placed in contact with a source of pressurized gas (G), and a second downstream end (12), to be placed in contact with the outer atmosphere, the device including a stopper (3) that is located on the channel (1) so as to prevent the flow of the gas between the upstream end (11) and the downstream end (12) in a normal situation, the stopper (3) being fusible and/or frangible so as to release the gas passage in the event of a dangerous situation when a pressure and/or a temperature exceeds a predetermined threshold. Said device is characterized in that said device includes a tank (4) of an unstable, exothermically decomposable gas that is placed in communication with the pressurized gas (G) released during the melting/breaking of the stopper (3). |