PULSE SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 2003 - IPC

FIELD: rocketry. SUBSTANCE: proposed solid-propellant rocket engine contains chamber with front bottom, multinozzle unit and "brush" powder charge and device to quench powder charge remnants. Said quenching device is installed between nozzles of multinozzle unit and is provided with quenching chamber with cooling liquid, piston and gas receiver. Outlet hole of chamber filled with liquid is pointed to central part of front bottom of solid propellant rocket engine and is closed by diaphragm. Intake hole of gas receiver is arranged over outlet section of nozzles, is pointed to side of nearest nozzle and is overlapped by check valve. EFFECT: provision of quenching of "brush" charge remnants at required rate. 2 cl, 5 dwg