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A pod unit or azimuth thruster having a fin arrangement for reducing the azimuthal torque
A pod unit or azimuth thruster having a fin arrangement for reducing the azimuthal torque
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机译:具有用于减小方位角扭矩的翅片装置的吊舱单元或方位角推进器
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摘要
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 (4) with a substantially vertical slewing axis (3A), a pulling propeller (7), and two downwardly directed fins (6) carried by the pod housing (4) abaft the slewing axis (3) adjacent the rear end (41) of the pod housing (4) and positioning said two downwardly directed fins (6) a distance (δ) apart, one on each side of a longitudinal plane (30) through the slewing axis (3A) on an aft part (40) of the pod housing (4) to extend substantially radially out from the pod housing (4), wherein said fins (6) are positioned to have their center planes (65) presenting a sharp angle (β) between the two fins (6) wherein the intersecting point of the center lines (65) of the fins (6) will intersect at a point above a horizontal center plane of the pod housing (4).
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