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JP2002114190A |
To effectively inhibit the rolling of a ship without increasing the resistance in ordinary navigation to prevent an accident such as a capsize.In this small-sized ship having the displacement tonnage of approximately 20 ton or less, roll...
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JP3274525B2 |
PURPOSE: To trim, steer and brake a watercraft by providing a first means capable of retracting a flap into a compartment into a retracted position wherein the flap does not act as a hydrofoil, and a second means making the flap act as a...
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JP2002104288A |
To provide a high-speed boat capable of navigating at a lower speed than a boat speed determined by the lowest engine speed of a propulsion engine, and capable of substantially suppressing rolling of a hull.A left screw 3A and a right sc...
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JP2002087378A |
To provide a wide effective range independent on regular or irregular waves and prevent the troublesome operation of anti-rolling tank control equipment (a valve or a damper).The opening/closing of the damper and the valve as opening/ cl...
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JP2002087380A |
To provide a control method for reducing oscillation using a plurality of small fins.Control data is made by combining continuous time series data for a preset period of time and an instantaneous response data using a plurality of actuat...
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JP2002087381A |
To reduce the size of an oscillation reducer and the loss of a sailing speed for applying the reducer to wide variety of ships including medium and small ships and high-speed ships and to enable application to coupling motion with rollin...
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JP2002087382A |
To provide a control system for realizing a oscillation reducer capable of applying a small fin and reducing driving power.A first computation result as data for setting continuous time series signals for a period of time or longer corre...
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JP2002068079A |
To provide an active anti-rolling device capable of easily realizing a spring element acting on a movable mass.This active anti-rolling device comprises the movable mass 2 linearly moving on an anti-rolling object 1, a motor 3 capable of...
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JP2002507171A |
(57) [Summary] The present invention relates to a sailing vessel stabilizer having a keel (3) or tilfin. This stabilizer has a stabilizing element that has a contact surface (SP) with water. This stabilizing element is mounted so that it...
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JP2002012188A |
To provide a safety cover also serving for increasing propulsion for protecting a ship body and capable of solving a structural fuel problem for eliminating various obstruction caused from peripheral driftage, a wave and a structure when...
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JP3241730B2 |
PCT No. PCT/GB93/02277 Sec. 371 Date Jun. 30, 1995 Sec. 102(e) Date Jun. 30, 1995 PCT Filed Nov. 4, 1993 PCT Pub. No. WO94/11294 PCT Pub. Date May 26, 1994A device (10) for orientating a load to be suspended and moved by a crane includes...
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JP3241847B2 |
PURPOSE: To dispense with complicated operation so as to improve operability. CONSTITUTION: In the case of constituting an attitude control device for controlling the inclination of a hull 1 by oscillating a left and a right flap plates ...
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JP2001347989A |
To improve response to the control for riding on the swell of the ocean in an attitude control device for a hydrofoil craft by adjusting a target height position of the craft body.This control device has a height lever 12 setting operati...
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JP3238286B2 |
PURPOSE: To mitigate a problem of trim, stability and outreaching due to hoisting a heavy object. CONSTITUTION: A crane barge 1 is landed on the water, to provide protruded floats 2, formed in a shape of protruding to both sides from a s...
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JP2001334989A |
To provide a method for transferring a heavy cargo in a barge which can suppress the inclination of the barge with a simple structure.A heavy truck 10 movable in the horizontal direction is arranged on a deck 14 of the barge 13 connected...
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JP2001322591A |
To provide an excavating work support ship capable of effectively supporting excavating work by stably supplying materials and operators to the work in a sea area distant from land.This excavating work support ship comprises material hou...
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JP2001294197A |
To provide an automatic navigation system of low cost and high calmness. An attitude of a hull 1 is recognized by a gyro 46, and navitation attitude control to a vessel is conducted using a trim tab 30 for automatically correcting a rout...
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JP2001294196A |
To form large diverging waves without increasing total weight of a hull. On a side part of a hull 10, an underwater blade part 12 is provided to be protruded underwater from the hull 10 to generate downward lift at the hull 10, and on th...
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JP2001287693A |
To provide a planing boat capable of easily adjusting draft. This planing boat 1 is provided with a ballast tank 21 provided in a hull, a water supply/discharge port 38 formed on a part lower than a draft line WL, a water supply/discharg...
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JP2001278188A |
To provide a buoyant body structure capable of restraining a buoyant body itself from being elastically deformed when waves beat upon a side face. Triangular rugged parts 1 are continuously formed at one long side part of the outer perip...
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JP3208544B2 |
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JP3207555B2 |
PURPOSE: To aim at a sufficient damping effect in addition to being light weight in terms of structure by sealing compressed air in the symmetrical vertical tank top part of a U-shaped tank filled up with a liquid, and installing an incl...
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JP2001233288A |
To change a turning characteristic, and to quickly perform sudden turning in beautiful behavior.A front fin 15 sinking in the water when the hull 4 inclines at sudden turning time is arranged in a front side specific position of the hull...
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JP2001513048A |
A method for counteracting heeling of a vessel due to a movement of first masses on the vessel, by means of movement of second masses thereon, which movements create respective static movements upon the vessel's center of gravity. The mo...
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JP2001233286A |
To reduce tossing and pitching without changing a plane shape of a medium-small scale floating body structure like hindering ship operation for leaving from and arriving at a quay, to simplify a mooring device, to reduce weight, to reduc...
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JP3198698B2 |
PURPOSE: To reduce swings up and down of a box-shaped floating structure such as a plant vessel by relating the structure length-width ratio specifically to the width-draft ratio so that the natural frequency of up-down swings of the str...
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JP2001510764A |
Stabilization apparatus (12) for a watercraft (10) having a hull (14), including at least one hydrofoil (20) with a leading edge (22) and a trailing edge (24), the edges defining a chord (26) extending therebetween, the at least one hydr...
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JP3191142B2 |
To effectively apply rocking reduction to rolling and pitching in a ship by placing at least two unit rocking reduction tanks in each of which a liq. column is formed in a communicating tube and a liq. is filled to form air pressure in t...
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JP2001191992A |
To provide steering tabs for jet propelled planing boat capable of continuously steering the boat even when the water jet quantity from a propulsion pump is decreased. The steering tabs 1, 201, 301, 401 capable of changing the water resi...
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JP3183996B2 |
PURPOSE: To avoid behavior of a hull which cannot be expected by an operator and smoothly carry out flap control. CONSTITUTION: In the case of constituting a flap control device of a ship carrying out proportional control type flap contr...
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JP3179542B2 |
PURPOSE: To permit a center board to be easily pulled up in traveling and permit the adjustment of the projection quantity from the ship bottom to be easily carried out. CONSTITUTION: A center board installation structure is equipped wit...
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JP2001507654A |
The present invention relates to a hull construction for a vessel, especially a drilling and/or production vessel for hydrocarbons. The invention also relates to the application of the hull construction according to the invention.The inv...
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JP3171394B2 |
To provide a pump jet propeller with thrust control device which is made possible to deny the unbalanced torque generated by the rotation of a propeller, by the fluid force of a jet stream operating to a flap, as well as can run an under...
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JP2001130481A |
To provide an offshore structure capable of effectively reducing rolling caused by waves and wind with a simple device. An upper structure 4 is installed on a floating body 3 through a supporting control device 7 and an attitude control ...
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JP2001130486A |
To improve the fuel consumption of a submarine by reducing a wave making resistance caused by an upper structure so as to suppress a loss of power. This submarine comprises a hull 10 and an upper structure 11 provided on the top of the h...
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JP2001130480A |
To provide an offshore structure capable of effectively reducing, with a simple device, a rolling caused by ocean waves and wind. This offshore structure comprises an upper structure 4 having an underwater structural body 5 projected fro...
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JP2001058595A |
To enable improvement of a lift coefficient with a simple structure, by mounting a blade end plate to a blade root end part of the blade, and by increasing negative pressure while decreasing a snake path flow from the blade root side by ...
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JP2001039384A |
To improve the boarding comfort and maneuvering performance by restricting the rocking of a hull during the sail. In an asymmetrical catamaran ship having a pair of lower hulls 2 passing through a water surface, a first and a second turn...
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JP2001039383A |
To provide a device for controlling waves while converting the wave obstruction on the water surface to be applied to a water-surface structure to the pressure air or the pressure liquid so as to maintain the immovability of the structur...
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JP3127496B2 |
PURPOSE: To improve the safety and efficiency of operation by reducing the heaving of a hull in which the operation is carried out under the stopped condition on the ocean. CONSTITUTION: Antiheaving tanks 2 are provided on the bow and st...
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JP3125141B2 |
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JP3125142B2 |
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JP3119039B2 |
PURPOSE: To provide an antioscillation device for an ocean structure which is constituted to reduce incurring of an energy loss, perform operation by means of a low output, reduce the size of a drive mechanism, facilitate control, produc...
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JP3118044B2 |
PURPOSE: To supply and discharge operation oil without direct connection of flexible pipe material such as a rubber hose to a cylinder main body even in case that a piston is a double acting type, allow oscillations of the cylinder main ...
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JP3117550B2 |
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JP2000337433A |
To perform cooling even during working, to prevent lowering of capacity of a damper, to perform cooling even during a stop, and to operate a brake.A power from a power source 1 is fed to a motor 3 with a start/stop switch 2 closed. A fly...
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JP2000309297A |
To prevent the fluctuation of a floating structure with keeping waves away from contacting a bottom surface of a pontoon by connecting the bottom surface of the pontoon with a cylindrical body to form a compressed air layer between the b...
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JP2000298501A |
To make it possible to quickly restore normal control state from transition state a the time of control system switching by equipping plural physical control systems and plural mathematical control systems and performing FB control by us...
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JP2000280979A |
To efficiently receive spary by providing a delta-shaped sponson capable of receiving the spray jumping up by entering all the way from a ship's bottom surface, being adjusted in the outflow direction of the spray and having a width expa...
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JP2000512597A |
PCT No. PCT/GB97/01610 Sec. 371 Date Nov. 19, 1998 Sec. 102(e) Date Nov. 19, 1998 PCT Filed Jun. 16, 1997 PCT Pub. No. WO97/48597 PCT Pub. Date Dec. 24, 1997A lift-generating device for a power boat includes a boundary (4) of semi-circul...
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