A METHOD OF AND A DEVICE FOR REDUCING THE AZIMUTHAL TORQUE ACTING ON A PULLING POD UNIT OR AZIMUTH THRUSTER

A METHOD OF AND A DEVICE FOR REDUCING THE AZIMUTHAL TORQUE ACTING ON A PULLING POD UNIT OR AZIMUTH THRUSTER

This invention relates to a device and method of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (2) with a substantially vertical slewing axis (3) and a fixed downwardly directed first fin (4) carried by the pod housing (2) abaft the sl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OTTOSSON, Anders, JOHANSSON, Rikard
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Beschreibung
Zusammenfassung:This invention relates to a device and method of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (2) with a substantially vertical slewing axis (3) and a fixed downwardly directed first fin (4) carried by the pod housing (2) abaft the slewing axis (3), wherein said first fin is in the form of an elongated strip-shaped vane (4) and extends abaft the slewing axis (3) along the pod housing (2) to the vicinity of a rear end (5) thereof.