POWDER PRESSURE ACCUMULATOR Russian patent published in 1998 - IPC

FIELD: rocketry; powder pressure accumulators for servo units. SUBSTANCE: pressure accumulator includes housing with spring-loaded end burning powder charge, threaded cover, gas duct, filtering device, nozzle, igniter, electric igniter; accumulator is also provided with combustion follower located in cavity of threaded cover in front of powder charge. Mounted between charge and combustion follower is perforated disk. Spring of follower is made from combustible material in form of plate spring with central recess and taper skirt. Inlet of cavity with follower is made in form of radial holes in wall of threaded cover. EFFECT: enhanced efficiency. 3 dwg