Gas exhaust nozzle for a bypass flow turbomachine

The nozzle (32) has an annular secondary cowl (40) with a stationary portion (48) and a movable portion (50) extending the stationary portion longitudinally. The secondary cowl moves longitudinally upstream and downstream relative to the stationary portion and relative to an annular primary cowl (36...

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Bibliographic Details
Main Authors ZEGGAI, KAMEL, CHANEZ, PHILIPPE
Format Patent
LanguageEnglish
French
German
Published 31.08.2016
Subjects
BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
JET-PROPULSION PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:The nozzle (32) has an annular secondary cowl (40) with a stationary portion (48) and a movable portion (50) extending the stationary portion longitudinally. The secondary cowl moves longitudinally upstream and downstream relative to the stationary portion and relative to an annular primary cowl (36) to vary an exhaust section and a throat section of the nozzle, where the stationary portion presents a set of repeated patterns. An outside surface of the moving portion has a set of indentations of shapes complementary to the patterns of the stationary portion.
Bibliography:Application Number: EP20070111957