Arrangement and method for turning a propulsion unit

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 5/125 (2006.01) B63H 21/17 (2006.01) B63H 25/24 (2006.01) G05D 1/02 (2006.01)

Patent

CA 2343940

The present invention relates to a propeller drive arrangement and a method for moving and steering a vessel. The arrangement comprises an azimuthing propulsion unit (6) and operating equipment for turning said azimuthing propulsion unit to steer the vessel. The operating equipment comprises an electric motor (20) for rotating said propulsion unit (6) by means of a mechanical power transmission machinery (40) connected to said electric motor. A power unit (30) supplies electric power to said electric motor (20). A control unit (34) controls the operation of said electric motor by controlling said power unit (30). The arrangement also comprises a sensor device (16) for detecting the rotational position of said azimuthing propulsion unit (6). A control unit (34) is arranged to process steering command information from a control means (38) and turning position information from said sensor device (16) and to control the operation of said electric motor (20) on the basis of this processing.

L'invention concerne un agencement d'entraînement d'une hélice, ainsi qu'un procédé de déplacement et de pilotage d'un navire. L'agencement comprend un propulseur orientable en azimut (6) et un matériel de commande, destiné à faire tourner ce propulseur afin de piloter le navire. Le matériel de commande comprend un moteur électrique (20) destiné à mettre en rotation le propulseur (6) au moyen d'une machine de transmission d'énergie mécanique (40) reliée au moteur électrique. Une unité d'alimentation (30) fournit de l'énergie électrique audit moteur (20). Une unité de commande (34) dirige le fonctionnement de ce moteur électrique par commande de l'unité d'alimentation (30). Cet agencement comprend également un capteur (16) destiné à détecter la position de rotation du propulseur orientable en azimut (6). L'unité de commande (34) est conçue pour traiter des informations de commande de position, à partir de moyens de commande (38), ainsi que des informations de position de rotation, à partir du capteur (16), et pour commander le fonctionnement du moteur électrique (20) d'après ce traitement.

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