SET TO QUENCH ROCKET ENGINE SOLID FUEL DURING THE TEST Russian patent published in 2017 - IPC F02K9/96 

FIELD: engines and pumps.

SUBSTANCE: device for extinguishing a rocket engine on solid fuel during the test comprises a rotatable rod-tube connected with a drive of its movement, the spray nozzles, the coolant source and the sealing screen. On sealing the screen is placed coaxially with the spray nozzle ring ejector having a nozzle ejecting the gas ejection nozzle and gas diffuser. A gas ejection nozzle is formed by the outer surface of the spray nozzle and the spray nozzles is covering the outer surface of the gas ejection nozzle. In ejecting the gas supply line installed control valve, and on the sealing screen fitted with a pressure sensor. The spray nozzle is fixed on the diffuser inside pylons, pylons and are made channels connecting the spray nozzles to supply coolant manifold mounted to the outer side of the diffuser. The cavity is connected to the collector coolant source through post-tube.

EFFECT: provision of obtaining reliable information about the state of the material and performance SRM exposed after use in high-altitude conditions aftereffect.

2 cl, 6 dwg