Nozzles with rotatable sections for variable thrust
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United States of America Patent
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Issued Date -
Jul 19, 2007
app pub date -
Jan 17, 2006
filing date -
Jan 17, 2006
priority date (Note) -
Abandoned
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Abstract
Thrust variability in a nozzle is achieved by constructing the nozzle in two parts, one of which is rotatable relative to the other. The nozzle includes a convergent section, a throat, and a divergent section, all of which are formed in the annular region between a centerbody and a shell. The rotation produces a variation in the cross-sectional area of the nozzle by bringing apertures in the two parts into and out of alignment and thereby partially or fully opening and closing the flow passage through the convergent section, throat, and divergent section.
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