Nozzle/valve device for a ducted rocket motor
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United States of America Patent
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-
Apr 17, 1984
Grant Date -
N/A
app pub date -
Feb 12, 1981
filing date -
Feb 12, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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 rotational motion into and out of 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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