• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a system for stabilizing a ship, comprising one or more fins (7) and a drive device (13). The flap (7) is movable about two axes, one along the longitudinal axis of the flap (7) substantially perpendicular to the hull (2) at cruising speed and oscillating horizontally at zero speed of the ship, l other fixed in the direction and substantially perpendicular to the first axis and allowing its movement of horizontal oscillations. The driving devices give the fin (7) a cruising inclination movement and a scotch movement along the two axes at a standstill. An electronic computer determines the value of the inclination, whether the ship is running or stopped, and an additional computer generates, when the ship is stopped, reciprocating along the substantially vertical axis and reverses the sign of the inclination calculated by the first computer according to the direction of this movement.
    公开号:FR3032683A1
    申请号:FR1551334
    申请日:2015-02-17
    公开日:2016-08-19
    发明作者:Elisabeth Fournier
    申请人:Elisabeth Fournier；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The present invention relates in particular to a system for stabilizing a ship and more specifically to a system for controlling roll for vessels that can operate on, off and at low speed. This invention relates to all ships, including and especially pleasure boats. TECHNOLOGICAL BACKGROUND In this field, several manufacturers are known that produce roll stabilizers for large and small vessels. The most widespread technique of stabilization uses fins. Each side of the hull of the ship is equipped with a fin which is adjustable in inclination about an axis extending along its length that is to say transversely to the hull of the ship. With the speed of the ship, the fins produce hydrodynamic thrusts, thrusts of adjustable amplitude according to the inclination of the fins to compensate for the torque exerted by the sea, the inclination of the fins being controlled by an electronic computer which is actuated, in general by a gyrometer. Normally these stabilizers are inoperative when stopped and not very effective at low speed. Some manufacturers, especially for recreational applications, have proposed to set the fins in motion, even at a standstill so that they produce a flutter in the water, always around an axis of the same direction. but moved to the leading edge of the fin so that they retain some efficiency at low speed or even at the vessel's stop. These devices, called 0 speed (that is to say at zero speed), are not very inefficient. In a conventional stabilizer, to limit the torque required for tilt control of the fins, the stabilization systems position the rotation axis as close as possible to the hydrodynamic thrust center on the fin which creates the stabilizing lift. 0 speed devices give up this configuration at the cost of an increase in power and position the axis of rotation near the leading edge of the flap in order to keep some efficiency at rest. They also increase the amplitude of the movements of the fin to the maximum. These stabilization systems are unsatisfactory at shutdown because a large portion of the energy is used to create "swirls", the movement being perpendicular to the surface of the fin.
    [0002] 3032683 2 In addition, the movement being limited, the efficiency is very low. The system which is described in the present invention overcomes these disadvantages by using a dual-axis rotation stabilizer "in the manner of a scotch system". The first axis of rotation rotates the fin to create the lift in the desired direction and the second axis of rotation, which is generally perpendicular to the first and directed upwards, creates a reciprocating motion which gives back the fin of the horizontal speed, compared to the water that the ship no longer has at low speed or stopped.
    [0003] SUMMARY OF THE INVENTION One aspect of the invention relates in particular to a vessel stabilization system having fins and a fin training device. The driving device is configured to simultaneously produce a tilting movement with respect to the longitudinal axis of the boat and an alternating movement of each fin along a pivot axis substantially perpendicular to the preceding and directed upwards. This reciprocating movement, with a semi-vertical axis, can be of great amplitude and makes it possible to obtain a lift and stabilization comparable to that of a ship in operation. The driving device is configured to coordinate the reciprocating pivot movement and the tilting movement by a dual electronic device. The first is conventional and transforms the indications of the gyrometer tilt 25 fin, the second adds to the first when the speed is reduced to, alternatively, recreating the horizontal speed that would be lack for a good stabilization This rotational movement in a semi-horizontal plane will also be used to fold the fin in a housing created in the hull for the case of retractable stabilizers.
    [0004] Thus, one aspect of the invention relates in particular to a system for stabilizing a ship, comprising a flap movable in a first rotational movement along an inclination axis oriented along a longitudinal dimension of the flap, and following a second movement according to a pivot axis, characterized in that the pivot axis is transverse to the inclination axis and situated in a vertical plane containing the inclination axis, the second movement being oscillatory so as to 3032683 3 allow the wing to move alternately forward and aft. The invention also comprises a vessel equipped with at least one system according to the invention.
    [0005] Finally, the invention also comprises a method for stabilizing a ship, comprising a drive of a fin following a first rotational movement along a tilting axis extending along a longitudinal dimension of the fin, and following a second movement according to a pivot axis, characterized in that the pivot axis is transversely arranged at the inclination axis and situated in a vertical plane containing the inclination axis and in which the second axis is produced. oscillatory movement so as to move the wing alternately forward and aft of the ship. BRIEF INTRODUCTION OF THE FIGURES Other features, objects and advantages of the present invention will appear on reading the detailed description which follows, and with reference to the appended drawings given as non-limiting examples and in which: FIG. 1 shows a front view of a vessel equipped with two roll stabilization systems in active position; - Figure 2 is an external view of a stabilization system in the active position with a cut of the shell to view the interior. - Figures 3 to 6 show, through a front view of the stabilization system, cycles of use of said stabilization system. - Figures 7 and 8 show, respectively front and top, a variant of the invention with a retraction capacity of the fin in the hull in the passive position of the stabilization system. DETAILED DESCRIPTION Before going into detail of preferred embodiments of the invention with reference to the drawings in particular, other optional features of the invention, which can be implemented in combination in any combination or alternatively are indicated below: - the second movement is oscillatory so as to allow a movement of the fin 7 alternately forward and towards the rear of the ship 1. - a drive device 13 is configured to control the inclination of the fin 7 during the second movement. the driving device 13 comprises a first rotational actuator 14 configured to produce the first movement of the fin 7 and a second rotational actuator 15 configured to produce the second movement of the fin 7, and a control element configured to control in a combined manner the first actuator 14 and the second actuator 15. - the pivot axis 5 is perpendicular to the axis of inclination 4. 10 - the fin 7 is symmetrical along an axis of symmetry. the inclination axis 4 coincides with the axis of symmetry. the systems of a pair each equipping a different side of the hull 2 of the ship 1. the second movement is produced in an oscillatory manner so as to move the fin 7 alternately towards the front and towards the rear of the ship 1. In this description, unless otherwise provided, the following definitions of terms are used: - A vessel 1 means any craft or craft capable of moving in a fluid, and particularly water; the vessel 1 advantageously comprises a buoyancy capacity; any element sensitive to fluid movements, and in particular to rolling, is included in this definition; Rolling: movement of the ship 1 caused by waves not following the axis 25 "bow / stern" of the hull 2 of a ship 1. - Cruise speed: it is the speed of navigation of a ship in outside the acceleration and deceleration phases. It varies from one ship to another.
    [0006] The invention described hereinafter relates to a ship stabilization system 1 used against roll, and more particularly for pleasure vessels. This stabilization system is effective even when the vessel 1 is stationary. In a non-limiting embodiment of the invention, a ship 1 is equipped with at least two stabilization systems as in FIG. 1. This stabilization system is positioned on the hull 2 of the ship 1.
    [0007] The stabilization system comprises a flap 7 of rectangular shape or not whose inclination axis 4 may be substantially perpendicular to the hull when it is in operation vessel stabilization function. It generally has a longitudinal dimension along which the tilt axis 4 is directed and which is transverse to the longitudinal direction of the ship 1, and according to which the fin 7 extends between one end near the hull 2 and a distal end. The fin 7 is positioned on the hull 2 of the ship 1 below the waterline of said ship 1. The fin 7 comprises a front edge 9, a second rear edge 8 (the front and rear terms are here used relative to the front and rear of the ship), an upper surface 10 and a lower surface 11. But it is not necessarily symmetrical. The rotation around this inclination axis 4 is actuated via a shaft 6 by an actuator 15 which provides the energy necessary for the rotation of the fin around the inclination axis 4. We will call "inclination" the angle of this rotation that can operate relative to the horizontal. This inclination is controlled by a stabilizer calculator linked to a gyrometer, these elements being more generally part of a training device 13 allowing the definition and execution of the movements of the fin 7. The inclination axis 4 is itself rotatable about a pivot axis 5 which is transverse (and preferably perpendicular) to it and situated in a vertical plane which contains the axis of inclination 4. This pivot axis 5 is advantageously fixed in direction. However, according to one embodiment of the invention, the rotational movement about the pivot axis 5 does not occur when the ship is cruising at sea, but only when the ship is at the cruising speed. stop, or possibly at very low speed. This rotation is oscillatory and produces a displacement in rotation about the pivot axis 5 alternatively forward and rearward of the fin 7. In other words, the movement around the pivot axis 5 ensures an angular movement. flap 7 30 alternately forward of the ship and backward. A cycle is formed and the trajectory of the fin 7 has a non-zero horizontal component during this cycle. This rotation preferably occurs only for the stabilization of the ship at a stop or very low speed.
    [0008] It is generated by the actuator 14 itself controlled by a computer, not shown, complementary to the conventional computer (the two computers can be the same set in a processing unit or control element which generates command signals for controlling the two movements of the fin 7) and whose function is to produce an oscillatory movement in rotation about the pivot axis 5 of the fin when the ship is stopped. For example, a hydraulic cylinder can be used for training with the relay of a crank system. In a general manner, it will be possible to use any actuator 14 making it possible to provide a pivot movement in an alternative manner (towards the front of the ship 1, then towards the rear, and back). As in any conventional stabilizer, the inclination of the fin 7 is calculated as a function of the speed to create a lift, so a couple on the ship, opposite and as close as possible to that caused by the swell and allowing avoid the roll of the ship. When the boat is stationary, the oscillation of the fin 7, controlled by the complementary computer, compensates for the absence of the movement which, in navigation, causes the lift of the fin 7. But the signal of the calculator is multiplied by -1 by the complementary calculator and thus the inverted inclination, when the aileron moves backwards for stabilization at rest, in order to maintain the thrust in the right direction to counter the torque created by the swell. This example is not limiting and, preferably, the direction of inclination and the angle of this inclination are controlled at each moment. Thus, these parameters may or may not vary during an alternation of the oscillation movement or alternatively alternately to the next. The stabilizer fin can be retractable or not. If it is not, the non-operating position of the fin 7 is preferably inclined to zero in relation to the horizontal. If it is retractable, its inactive position is folded along the shell 2. A box 3, open in the shell 2, is provided to receive the wing 7 folded and this folding uses the ability to rotate around the pivot axis 5 through the passage 12. Figures 7 and 8 show an illustration with a retracted flap 7 in the housing 3. Figure 7 gives a view from outside the shell 2 and Figure 8 shows a top view. Figures 3 to 6 show different possible positions of the fin 7 during an active phase of stabilization. In order to adapt to the different rolls that may exist, the amplitude of rotation around the tilt and pivot axes 4 and 5, as well as the angular velocity around said pivot and inclination axes 5 and 4, may vary. In addition, when the ship 1 3032683 7 comprises several stabilization systems, the processing unit can in particular coordinate the different stabilization systems to optimize stabilization. This synchronization can operate the stabilization systems symmetrically and / or asymmetrically. Thus, in one embodiment of the invention comprising several stabilization systems, one of the stabilization systems can be in a passive position while the other (s) are in the active position. In this configuration the active position stabilization systems can have their own speed and amplitude of operation. The invention is not limited to the previously described embodiments but extends to all embodiments in accordance with its spirit.
    [0009] 3032683 8 REFERENCES 1. Ship 2. Shell 5 3. Pedestal 4. Tilt axis 5. Pivot shaft 6. Shaft 7. Aileron 10 8. trailing edge 9. leading edge 10. Top surface 11. Bottom surface 12. Passage 13. Training device 14. First actuator 15. Second actuator
    权利要求:
    Claims (9)
    [0001]
    REVENDICATIONS1. Stabilization system of a ship (1), comprising a flap (7) movable in a first rotational movement along an inclination axis (4) oriented along a longitudinal dimension of the flap (7), and following a second movement along a pivot axis (5), characterized in that the pivot axis (5) is transverse to the inclination axis (4) and situated in a vertical plane containing the inclination axis (4) , the second movement being oscillatory so as to allow a movement of the fin (7) alternately forward and rearward of the ship (1).
    [0002]
    2. stabilization system of a ship (1) according to the preceding claim, comprising a drive device (13) configured to control the inclination of the fin (7) during the second movement.
    [0003]
    3. Stabilization system of a ship (1) according to the preceding claim, wherein the drive device (13) comprises a first actuator (14) in rotation configured to produce the first movement of the fin (7) and a second rotational actuator (15) configured to produce the second movement of the fin (7), and a control element configured to control in a combined manner the first actuator (14) and the second actuator (15).
    [0004]
    Vessel stabilization system (1) according to one of the preceding claims, wherein the pivot axis (5) is perpendicular to the inclination axis (4).
    [0005]
    5. stabilization system of a ship (1) according to one of the preceding claims, wherein the flap (7) is symmetrical along an axis of symmetry.
    [0006]
    6. stabilization system of a ship (1) according to the preceding claim, wherein the axis of inclination (4) coincides with the axis of symmetry.
    [0007]
    7. Ship (1) equipped with at least one system according to one of the preceding claims.
    [0008]
    8. Ship (1) according to the preceding claim comprising at least one pair of systems according to one of claims 1 to 6, the systems of a pair each equipping a different side of the hull (2) of the ship (1).
    [0009]
    9. A method of stabilizing a ship (1), comprising a drive of a fin (7) in a first rotational movement along an inclination axis (4) extending along a longitudinal dimension of the fin ( 7), and in a second movement along a pivot axis (5), characterized in that the pivot axis (5) is placed transversely to the inclination axis (4) and situated in a vertical plane containing the inclination axis (4) and in which the second movement is produced in an oscillatory manner so as to move the fin (7) alternately forwards and towards the rear of the vessel (1).
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    FR3032683B1|2015-02-17|2017-05-26|Elisabeth Fournier|SHIP STABILIZATION SYSTEM|FR3032683B1|2015-02-17|2017-05-26|Elisabeth Fournier|SHIP STABILIZATION SYSTEM|
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    法律状态:
    2016-02-24| PLFP| Fee payment|Year of fee payment: 2 |
    2016-08-19| PLSC| Search report ready|Effective date: 20160819 |
    2017-02-28| PLFP| Fee payment|Year of fee payment: 3 |
    2018-02-23| PLFP| Fee payment|Year of fee payment: 4 |
    2019-02-21| PLFP| Fee payment|Year of fee payment: 5 |
    2020-11-06| ST| Notification of lapse|Effective date: 20201005 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1551334A|FR3032683B1|2015-02-17|2015-02-17|SHIP STABILIZATION SYSTEM|FR1551334A| FR3032683B1|2015-02-17|2015-02-17|SHIP STABILIZATION SYSTEM|
    PCT/EP2016/053312| WO2016131850A1|2015-02-17|2016-02-17|Ship stabilizer system|
    US15/551,505| US10040521B2|2015-02-17|2016-02-17|Ship stabilizer system|
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