SOLID-PROPELLANT CHARGE FOR GAS GENERATORS Russian patent published in 2003 - IPC

FIELD: rocketry. SUBSTANCE: solid-propellant charge for gas generators, turbogenerator supply sources, cartridge pressure accumulators and other mechanisms of rocket and other machinery is made in form of cylindrical channelless grain restricted over outer surface and over one end face. Ring projection is made on surface of bushing end face being made in form of equilateral trapezium with base angle of 45^o and ratio of larger and smaller diameters of base and height of trapezium to diameter of charge equal to 0.80- 0.95; 0.30-0.40; 0.08-0.10, respectively. EFFECT: provision of heated layer of charge of thickness required for reliable burning at increased pressure level in combustion chamber. 6 dwg