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1. WO2022165013 - FIN STABILIZER WITH INTERNAL ACTUATION MECHANISM

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Publication Number WO/2022/165013
Publication Date 04.08.2022
International Application No. PCT/US2022/014067
International Filing Date 27.01.2022
IPC
G05D 1/08 2006.1
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
1Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot
08Control of attitude, i.e. control of roll, pitch, or yaw
B63B 39/06 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06to decrease vessel movements by using foils acting on ambient water
CPC
B63B 2039/067
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06to decrease vessel movements by using foils acting on ambient water
067effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels
B63B 2039/068
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06to decrease vessel movements by using foils acting on ambient water
068the foils having a variable cross section, e.g. a variable camber
B63B 39/06
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
39Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06to decrease vessel movements by using foils acting on ambient water
Applicants
  • NAIAD MARITIME GROUP, INC. [US]/[US]
Inventors
  • VENABLES, John D.
  • VENABLES, Steven J.
  • KNAPP, Ryan W.
Agents
  • WINTER, Jonathan
  • WINTER, Gene
Priority Data
63/142,27527.01.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FIN STABILIZER WITH INTERNAL ACTUATION MECHANISM
(FR) STABILISATEUR D'AILETTE PRÉSENTANT UN MÉCANISME D'ACTIONNEMENT INTERNE
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Abstract
(EN) A fin stabilizer is provided for a vessel and includes a fin which is supported by a shaft that extends below the waterline. The shaft is fixed in rotation along its elongate axis relative to the vessel and the fin includes an actuator mechanism which causes the fin to rotate around the shaft to counteract roll of the vessel. In some cases, the actuator may be hydraulic and the shaft may include passages therethrough to transfer hydraulic fluid/pressure from the vessel's interior hydraulic system through the shaft and into the actuator to cause the fin to rotate. The fin may also be able to pivot into a storage position where, for example, the shaft is folded into a cavity in the vessel hull.
(FR) Un stabilisateur d'ailette est prévu pour un navire et comprend une ailette qui est soutenue par un arbre qui s'étend en dessous de la ligne de flottaison. L'arbre est fixé en rotation le long de son axe allongé par rapport au navire et l'ailette comprend un mécanisme d'actionneur qui amène l'ailette à tourner autour de l'arbre pour contrebalancer le roulis du navire. Dans certains cas, l'actionneur peut être hydraulique et l'arbre peut comprendre des passages à travers ce dernier pour transférer un fluide/une pression hydraulique depuis le système hydraulique intérieur du navire à travers l'arbre et dans l'actionneur pour amener l'ailette à tourner. L'ailette peut également pivoter dans une position de stockage où, par exemple, l'arbre est plié dans une cavité dans la coque du navire.
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