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

1981-02-04

1984-04-24

Croyle, Carlton R.

Power plants

Reaction motor

Solid and fluid propellant

137375, 13762518, F02K 956

Patent

active

044440065

ABSTRACT:
A nozzle/valve device for a ducted rocket motor is provided. The nozzle/valve device employs a design in which a nozzle throat blockage element can be moved by translational motion within the nozzle throat section of the device. 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 materials is achieved.

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patent: 4338963 (1982-07-01), Frame
patent: 4355663 (1982-10-01), Burkes, Jr. et al.

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