Inner side grooves on a duct of ducted propulsion

This creation is improvements of the duct of ducted propulsions, particularly in the shape of duct. This creation is about the circular grooves perpendicular to stalk line on inner side of duct for ducted propulsion, can lead the jet flow out of the region of propeller tip, and increase the pressure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TU, CHINGIN, HSIN, CHING-YEH
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	This creation is improvements of the duct of ducted propulsions, particularly in the shape of duct. This creation is about the circular grooves perpendicular to stalk line on inner side of duct for ducted propulsion, can lead the jet flow out of the region of propeller tip, and increase the pressure to reduce the cavitation on blade.