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High performance planing hull provided with a trim tab system

一种高性能、滑航式的技术，应用在减少船只运动的设备、船只增加稳定性的设备、使用水翼作用在周围水面减少船只运动等方向

Active Publication Date: 2010-07-28
FB DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] While providing high performance in terms of speed, during acceleration this causes a "bow up" trim, i.e. the bow of the boat is higher than the water, with consequent visibility problems

Method used

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  • High performance planing hull provided with a trim tab system
  • High performance planing hull provided with a trim tab system
  • High performance planing hull provided with a trim tab system

Examples

Experimental program
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Embodiment Construction

[0035] Figure 1 shows the stern of a planing hull 100 according to the prior art, provided with a pair of conventional movable trim tabs symmetrically positioned on either side of the propulsion system.

[0036] To simplify the view, only one movable trim tab is shown in Fig. 1, and the propulsion system of the boat is omitted. The movable surface 2 of the trim tab is constrained by the transom 3 of the hull 100 . The drive means 4 for the deflection of the movable surface 2 comprise pneumatic or hydraulic drives 5 and enable the pilot to adjust the trim of the hull 100 relative to the water surface.

[0037] In this type of configuration, the trim tabs and in particular the corresponding drive means 4 are fixed outside the hull 100 , so that the mechanical parts come into contact with the water and air medium, with consequent problems.

[0038] In order to overcome these problems, it is known in the art to mount the drives for the movable trim tabs inside the hull, as shown ...

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PUM

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Abstract

A high performance planing hull, designed in particular for boats with drives of fixed or non-steerable type. The hull comprises an additional volume, which is integrated in the immersed part of the stern of the hull. The additional volume extends substantially in longitudinal direction and is symmetrical with respect to the longitudinal plane of symmetry of the hull.

Description

technical field [0001] The invention relates to a planing hull provided with a trim tab system with high performance in terms of speed and carrying capacity. The term "trim trim tab" refers to the surface and / or body of the submerged part of the stern, which makes it possible to adjust the trim of the hull relative to the free surface of the water under specific operating conditions. Background technique [0002] The prior art consists of planing hulls with movable surfaces for adjusting the balance of the boat, called trim tabs or trim flaps. When these surfaces are impacted by the water flow, hydrodynamic force will be generated, and the force is multiplied by the moment arm between the power application point and the center of gravity of the ship to obtain the moment, which is used to adjust the trim of the ship relative to the water surface. [0003] The resulting moment determines the rotation of the hull about the ship's trim axis. [0004] Actuation means may be pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B3/00B63B39/06
CPCB63B39/061
Inventor F·布齐
Owner FB DESIGN
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