DEVICE FOR ARMING AN UNDER-WATER FUZE

摘要

The present invention relates to arming methods and devices for firing a submarine weapon. A device according to the present invention comprises a piston connected by a strip to a bistable arming organ. The piston shifts inside a cylindrical body between a first and second chamber. The first chamber accommodates sea water through orifices. The second chamber accommodates sea water through a valve and a cavity which is filled with sodium chloride. The piston is hollow and contains a semi-permeable fitting which is in contact with sea water that is contained inside the first chamber through a bore and ducts, and with the salt saturated solution contained inside the second chamber through channels.