Nozzle/valve device for a ducted rocket motor

Details Nozzle/valve device for a ducted rocket motor Nozzle/valve device for a ducted rocket motor

F - Mech Eng,Light,Heat,Weapons

02

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60/73

F02K 9/97 (2006.01) F02K 7/18 (2006.01) F02K 9/80 (2006.01)

Patent

CA 1166855

Burkes & Miller Case 3 NOZZLE/VALVE DEVICE FOR A DUCTED ROCKET MOTOR Abstract of the Disclosure A nozzle/valve device for a ducted rocket motor is pro- vided. The nozzle valve device employs a design in which a nozzle throat blockage element can be moved by translational motion into and out of the nozzle throat section of the de- vice. The blockage element is designed so that in the closed position the nozzle throat has a minimum cross-sectional flow area and therefore the nozzle throat is never fully closed. The seals employed in the nozzle/valve device are isolated from contact with reaction products of the gas generator and effective use of minimum amounts of erosion resistant mate- rials is achieved.

370739

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