FR2821053A1 - Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators - Google Patents

Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators Download PDF

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Publication number
FR2821053A1
FR2821053A1 FR0102363A FR0102363A FR2821053A1 FR 2821053 A1 FR2821053 A1 FR 2821053A1 FR 0102363 A FR0102363 A FR 0102363A FR 0102363 A FR0102363 A FR 0102363A FR 2821053 A1 FR2821053 A1 FR 2821053A1
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Prior art keywords
sensors
keel
axes
electrically driven
hydraulic actuators
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FR0102363A
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French (fr)
Inventor
Marc Jean Edouard Delaunay
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Individual
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Individual
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Priority to FR0102363A priority Critical patent/FR2821053A1/en
Publication of FR2821053A1 publication Critical patent/FR2821053A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B41/00Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water

Abstract

A sailing ship pivoting keel is controlled automatically in one to three axes by sensors and computers that set electrically driven valves to drive hydraulic actuators to balance the ship.

Description

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AUTOMATISATION ET OPTIMISATION DES REGLAGES
DES QUILLES PIVOTANTES DES VOILIERS.
AUTOMATION AND OPTIMIZATION OF SETTINGS
PIVOTING BOWLS OF SAILING BOATS.

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La présente invention concerne un dispositif permettant d'optimiser les réglages en termes de gîte et d'assiette de certains voiliers, chaque voilier étant conçus pour avoir ses meilleures performances en ayant un angle de gîte déterminé tout en restant dans ses lignes longitudinales. Certaines conditions de navigation impliquent que tous ces paramètres ne peuvent pas être maintenus de manière idéale en continu. Ces corrections sont habituellement réalisées de deux manières différentes ; soit grâce à l'utilisation de ballasts latéraux et/ou longitudinaux qui permettent d'apporter et de l'inertie et/ou un couple de redressement plus/ou moins important au bateau ; soit par le pivotement de la quille lestée de plomb qui augmente/ou diminue le couple de redressement du bateau. Le deux techniques abordées ci-dessus peuvent être employées simultanément. Le dispositif pourra être adapté à tout voilier muni d'une quille pivotante et équipé ou non de ballasts qu'il remplace avantageusement. Il comporte selon une première caractéristique une série de capteurs d'inclinaison et d'incidence qui renseignent en permanence un calculateur des conditions d'équilibre du voilier. Ce calculateur analyse les données recueillies et lorsque certaines valeurs sont atteintes depuis plus d'un certain temps, des électrovannes commandent l'action de vérins qui agissent alors sur la quille afin d'obtenir les paramètres du niveau recherché. Le réglage d'incidence de la quille pourra apporter une augmentation du couple de redressement et permettra l'élimination du plan porteur parfois créé par les mouvements du bateau. La puissance hydraulique sera fournie soit par une centrale hydraulique à moteur thermique pour un service en continu soit par une pompe électrique sur batterie pour un rythme de mesures cyclique. La force motrice sera obtenue par un moteur hydraulique couplé à une hélice. Lorsque les valeurs maximales de déport de quille sont atteintes, le calculateur stoppe tout ordre visant à augmenter ces dernières. En cas de retournement à 180 , le système positionne automatiquement la quille afin d'obtenir le couple de redressement maximal. Le dispositif peut être activé ou désactivé à tout moment ; les derniers paramètres étants conservés jusqu'à la remise en route du dispositif. Le système informatique peut fonctionner en mode manuel, l'utilisateur rentrant alors lui-même ses propres paramètres.  The present invention relates to a device making it possible to optimize the settings in terms of heel and trim of certain sailboats, each sailboat being designed to have its best performance by having a determined heel angle while remaining within its longitudinal lines. Certain conditions of navigation imply that all these parameters cannot be maintained in an ideal way continuously. These corrections are usually made in two different ways; either through the use of lateral and / or longitudinal ballasts which make it possible to provide inertia and / or more / or less righting torque to the boat; either by the pivoting of the lead weighted keel which increases / or decreases the righting torque of the boat. The two techniques discussed above can be used simultaneously. The device could be adapted to any sailboat provided with a pivoting keel and equipped or not with ballasts which it advantageously replaces. According to a first characteristic, it comprises a series of tilt and incidence sensors which permanently inform a computer of the equilibrium conditions of the sailboat. This computer analyzes the data collected and when certain values have been reached for more than a certain time, solenoid valves control the action of jacks which then act on the keel in order to obtain the parameters of the desired level. Adjusting the angle of attack of the keel will bring about an increase in the righting moment and will allow the elimination of the bearing plane sometimes created by the movements of the boat. Hydraulic power will be supplied either by a hydraulic central unit with thermal engine for continuous service or by an electric pump on battery for a cyclic measurement rhythm. The driving force will be obtained by a hydraulic motor coupled to a propeller. When the maximum keel offset values are reached, the computer stops any order to increase them. In the event of a 180 turn, the system automatically positions the keel in order to obtain the maximum righting torque. The device can be activated or deactivated at any time; the last parameters being kept until the device is restarted. The computer system can operate in manual mode, the user then entering his own parameters himself.

Une fonction Remise à Zéro réinitialise les paramètres à l'état neutre défini pour chaque type de voilier. A Reset function resets the parameters to the neutral state defined for each type of sailboat.

En cas de non fonctionnement du groupe hydraulique ; un système manuel permet de fournir la puissance hydraulique aux vérins. Le réglage des vérins peut s'effectuer manuellement. Une soupape de sécurité tarée à une valeur définie permet d'amortir un choc de la quille avec un corps immergé. In the event of failure of the hydraulic unit; a manual system provides hydraulic power to the cylinders. The cylinders can be adjusted manually. A safety valve calibrated to a defined value makes it possible to absorb a shock from the keel with a submerged body.

Selon des modes particuliers de réalisation : Le système de rotation de la quille pourra être un de ceux déjà existant ; le dispositif étant adaptable à chacun d'eux qu'il soient à un, deux ou trois axes. Les capteurs de gîte et d'assiette peuvent être placés à tout endroit ou les conditions de mesure sont similaires quel que soit le bord sur lequel se trouve le bateau, l'emplacement initialement prévu étant sur le puits de quille. Les capteurs d'incidence sont placés sur la quille, à proximité immédiate du dauphin de lest. Les groupes de pression hydraulique pourront être placés à tout endroit judicieusement choisi, tout en veillant à ne pas allonger outre mesure le circuit de distribution hydraulique. Les débits d'huile adaptés à celle des vérins, leur dimensionne- According to particular embodiments: The keel rotation system could be one of those already existing; the device being adaptable to each of them whether they are one, two or three axes. The heel and trim sensors can be placed at any location or the measurement conditions are similar regardless of the edge on which the boat is located, the location initially planned being on the keel well. The incidence sensors are placed on the keel, in the immediate vicinity of the sinker dolphin. The hydraulic pressure groups can be placed in any judiciously chosen location, while taking care not to overly lengthen the hydraulic distribution circuit. The oil flow rates adapted to that of the cylinders, their size

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ment étant défini par les paramètres de la quille du voilier. Les vérins seront en acier inoxydable. la pompe hydraulique pourra fonctionner quel que soit l'angle de gîte du navire. ment being defined by the parameters of the sailboat keel. The cylinders will be made of stainless steel. the hydraulic pump can operate regardless of the heeling angle of the vessel.

Claims (1)

Figure img00040001
Figure img00040001
REVENDICATIONS
Figure img00040002
Figure img00040002
Dispositif permettant l'optimisation et l'automatisation des réglages des quilles pivotantes des voiliers, caractérisé par une série de capteurs qui renseignent un calculateur qui analysent en permanence les conditions d'équilibre du voilier et commande les mouvements de la quille. Dispositif s'adaptant à tous les types de quilles pivotantes, qu'ils soient à un, deux ou trois axes. Device for optimizing and automating the settings of pivoting skittles of sailboats, characterized by a series of sensors which inform a computer which permanently analyzes the equilibrium conditions of the sailboat and controls the movements of the keel. Device that adapts to all types of pivoting keels, whether one, two or three axes.
FR0102363A 2001-02-21 2001-02-21 Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators Withdrawn FR2821053A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0102363A FR2821053A1 (en) 2001-02-21 2001-02-21 Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0102363A FR2821053A1 (en) 2001-02-21 2001-02-21 Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators

Publications (1)

Publication Number Publication Date
FR2821053A1 true FR2821053A1 (en) 2002-08-23

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FR0102363A Withdrawn FR2821053A1 (en) 2001-02-21 2001-02-21 Sailing ship pivoting keel has automatic control in one to three axes by sensors and computers set electrically driven valves to drive hydraulic actuators

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FR (1) FR2821053A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2125502A1 (en) * 2007-03-09 2009-12-02 Magnasail, LLC Apparatus and method to optimize sailing efficiency

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2125502A1 (en) * 2007-03-09 2009-12-02 Magnasail, LLC Apparatus and method to optimize sailing efficiency
EP2125502A4 (en) * 2007-03-09 2013-02-20 Magnasail Llc Apparatus and method to optimize sailing efficiency
US9731799B2 (en) 2007-03-09 2017-08-15 Magnasail, Llc Apparatus and method to optimize sailing efficiency
US10597124B2 (en) 2007-03-09 2020-03-24 Magnasail, Llc Apparatus and method to optimize sailing efficiency
US11117642B2 (en) 2007-03-09 2021-09-14 Magnasail, Llc Apparatus and method to optimize sailing efficiency

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