Patent ID: 9533757
Date: 2017-01-03
CPC Classifications: B64C,B64D

Claim:
1. A buoyancy system for an aircraft, the buoyancy system comprising: an inflatable float; and a deployment device comprising an inflator and an actuator interposed between the inflator and the float, the actuator having a cylinder and a rod secured to the float, the rod being inserted in part in the cylinder and being slidable relative to the cylinder, the rod being secured to a piston, the piston co-operating with the cylinder to define a first chamber within the cylinder and co-operating with the rod to define a second chamber within the rod, the first chamber being in fluid flow communication with the inflator, while the second chamber is in fluid flow communication with the float, the piston having a channel for putting the first chamber into fluid flow communication with the second chamber; the deployment device having a shutter for shutting the channel in a retracted position of the actuator so that gas fed to the first chamber causes the actuator to extend by the rod moving in translation and for not shutting the channel in an extended position of the actuator after the movement in translation, in order to enable the gas to inflate the float.