CHARGING UNIT FOR STAND OF ARTILLERY AMMUNITION Russian patent published in 1997 - IPC

FIELD: artillery material, in particular, charging units of rounds of separate loading. SUBSTANCE: unit has sleeve 1, propellant charge 2, boosting chamber 3 with igniter 4 and cap 5 of sleeve 1. Propellant charge 2 is secured to boosting chamber 3 to form gaps 7, 8 between external surface of charge and internal surface of sleeve. Secured to end face of charge 2 is disk 9 with ports 10. Particularly, disk 9 is installed at front end face 11 of charge 2 before ap 5 and secured to boosting chamber 3. Ports 10 of disk 9 are made in the form of periphery recesses to form table 12 of variable cross-section. provision is made of installation of disk 9 at rear end face 13 of charge 2 and fastening of disk by its pressing to central projection 14 of sleeve 1. Made in bottom 15 of boosting chamber 3 is through hole 17 facing mouth 16 of sleeve 1. Hole 17 is overlapped by diaphragm 18 and made with conical part 19. Diaphragm 18, for instance, from paper is fastened between bottom 15 and igniter 4. Discharge holes 20 of chamber 3 are also covered with paper glued to side surface of chamber 3. In particular, end face 22 of disk 9 has projection 23 facing case mouth 16. Central part of cap 5 has hole 23 with flange 25. Side surface 26 of flange 25 contact projection 23. EFFECT: higher efficiency. 5 cl, 2 dwg