Anti-cavitation tunnel for marine propellers

Details Anti-cavitation tunnel for marine propellers Anti-cavitation tunnel for marine propellers

B - Operations, Transporting

63

H

B63H 5/14 (2006.01) B63H 1/18 (2006.01) F02B 61/04 (2006.01)

Patent

CA 2407927

An anti-cavitation tunnel (11) for a watercraft (20) has a non-convergent, plain (ie., non-aerofoil) section cowling (12) with a leading edge (13) located in or forwardly of a plane including the leading edges of the blades (28) of the propeller (25) and a trailing edge (14) which is located forwardly of the rearmost points (27) of the blades (28) of the propeller (25).

Ce tunnel anti-cavitation (11) pour véhicule marin (20) comporte un capot (12) de section non convergente et rectiligne (c'est à dire non profilée) dont le bord d'attaque (13) se trouve au niveau d'un plan ou en avant de ce plan, comprenant les bords d'attaque des pales (28) de l'hélice (25), et dont le flanc arrière (14) se trouve en avant des régions postérieures (27) des pales (28) de l'hélice (25).

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