Mechanical programmed gas generator

Claim 1

A MISSILE LAUNCHER COMPRISING A FIRING TUBE FOR EJECTING A MISSILE THEREFROM BY A GAS, A FLASK DISPOSED BENEATH SAID TUBE, A SOLID PROPELLANT IN SAID FLASK FOR CREATING A HIGH TEMPERATURE, HIGH PRESSURE UPON COMBUSTION, MEANS FOR IGNITING SAID PROPELLANT, AN ANNULAR DIFFUSER DISPOSED IN SAID FIRING TUBE FOR PASSING GAS THEREINTO, A PISTON RECIPROCABLY MOUNTED IN SAID TUBE FOR SUPPORTING A MISSILE, A LAUNCH VALVE HAVING A BORE AND A PISTON THEREIN CONNECTING SAID FLASK TO SAID DIFFUSER, A RESERVOIR CONTAINING A PRESSURIZED FLUID, A SELECTOR VALVE WITH A PISTON AND A GAS ORIFICE AND A FLUID ORIFICE THAT ARE VARIED BY MOVEMENT OF SAID PISTON, FIRST CONDUIT MEANS CONNECTING SAID RESERVOIR THROUGH SAID SELECTOR VALVE FLUID ORIFICE TO ONE SIDE OF SAID LAUNCH VALVE PISTON FOR URGING IT INTO A CLOSED POSITION, SECOND CONDUIT MEANS CONNECTING SAID FLASK TO THE OTHER SIDE OF SAID LAUNCH VALVE FOR URGING THEREOF INTO AN OPEN POSITION, THIRD CONDUIT MEANS CONNECTING SAID