VALVE RECOIL AND COUNTERRECOIL BRAKE MECHANISM FOR ARTILLERY SYSTEMS

Inside cylinder 1, attached to the barrel, is stationary rod 2 with piston 3. Piston 3 has lugs a which enter helical slot d on the inner surface of cylinder 1. Piston 3 can rotate with respect to rod 2 but cannot slide along it. Arranged at both ends of piston 3 are valves 4 and 5 with ports (grooves) b. The valves, held against rotation by keys e, can slide axially a certain distance. Upon recoi…