Watercraft drive with a rudder propeller

Details Watercraft drive with a rudder propeller Watercraft drive with a rudder propeller

B - Operations, Transporting

63

H

B63H 5/10 (2006.01) B63H 5/14 (2006.01)

Patent

CA 2205437

A watercraft drive has a double rudder propeller driven by a driving engine via a driving shaft (1), an angular gear (3, 4) and an output transmission shaft (5). A propeller (6, 7) is arranged at each end of the output shaft. A guiding device made of guide blades (8a, 8b) is arranged between the propellers to correct aerodynamic conditions between both propellers (6, 7) and thus to reduce energy losses.

Un mécanisme de propulsion de navires comprend une double hélice de gouvernail actif entraînée par un moteur d'entraînement au moyen d'un arbre d'entraînement (1), d'un engrenage angulaire (3, 4) et d'un arbre mené de transmission (5). Une hélice (6, 7) est montée à chaque extrémité de l'arbre mené. Un dispositif de guidage à pales directrices (8a, 8b) monté entre les deux hélices permet de corriger les conditions aérodynamiques entre les deux hélices (6, 7) afin de réduire les pertes d'énergie.

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