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EP2565116A1 - Dispositif de stabilisation de roulis - Google Patents

Dispositif de stabilisation de roulis Download PDF

Info

Publication number
EP2565116A1
EP2565116A1 EP12400024A EP12400024A EP2565116A1 EP 2565116 A1 EP2565116 A1 EP 2565116A1 EP 12400024 A EP12400024 A EP 12400024A EP 12400024 A EP12400024 A EP 12400024A EP 2565116 A1 EP2565116 A1 EP 2565116A1
Authority
EP
European Patent Office
Prior art keywords
fin
shaft
operating position
ship
pivoting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12400024A
Other languages
German (de)
English (en)
Other versions
EP2565116B1 (fr
Inventor
Jörg GRABBEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF Marine GmbH
Original Assignee
Blohm and Voss Industries GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blohm and Voss Industries GmbH filed Critical Blohm and Voss Industries GmbH
Publication of EP2565116A1 publication Critical patent/EP2565116A1/fr
Application granted granted Critical
Publication of EP2565116B1 publication Critical patent/EP2565116B1/fr
Priority to CY20141100584T priority Critical patent/CY1116096T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • B63B2039/067Equipment 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 effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels

Definitions

  • the invention relates to a device for roll stabilization of ships, consisting of a flow-bearing shaft as a fin shaft with a drive device for rotating a fin in the form of an elongated quadrilateral with short and long sides about the axis of the fin shaft to change the angle of attack of the fin and from a Pivoting device for an angular movement of the fin and fin shaft about a substantially vertical and perpendicular to the ship's longitudinal direction pivot axis for swinging the fin in an operating position outside and in a rest position in an associated fin pocket within the vessel, wherein via a fin shaft takes place a fin adjustment.
  • Fin arrangements of this type are known in various designs with square fin surfaces, the majority of fins are optimized due to their aspect ratio exclusively for operation while driving.
  • this type of fin is to optimize the effective fin surface for stabilization at anchor or at zero speed, the need to arrange the fin shaft, as far as technically possible, to the front fin edge and at the same time form the largest possible chord length in order to achieve a large effective lever arm of the rear fin surface. This reduces the aspect ratio of the fin compared to conventional fin designs for operation underway.
  • DE 29 23 630 is a fin known, which has the shape of an elongated quadrilateral. Here, a long side is swept in the direction of travel, the second long edge, however, is swept in the opposite direction.
  • This design is optimized with a high aspect ratio for on-the-go stabilization, and is particularly detrimental to pre-anchor stabilization, zero-speed stabilization, since it reduces the effective area behind the shaft axis and does not increase it.
  • This design also does not solve the problem occurring in fins with a lower aspect ratio and early balancing that they are no longer completely swinging.
  • the object of the invention is to provide an increase in a usable fin surface for stabilization at anchor in an easy way with an unchanged position of the pivot column and thereby completely absorb the fin surface in the rest position or almost completely in the fin pocket and the fin still for a stabilization even while driving to use.
  • the fin is arranged with its the ship's outside facing short side in the operating position approximately parallel to the ship's outer skin and the long sides of the fin have an angled in the direction of travel backwards arrow and a fin shaft axis in the range of 10 to 30 % of a mean chord length of the fin is arranged at a central span, wherein the pivotal movement of the pivoting column from the operating position is measured in the rest position for receiving the fin in the fin pocket greater than 90 degrees in accordance with the sweep.
  • the advantage is achieved that with an unchanged position of the shaft axis due to the sweep additionally an effective surface for stabilization against anchor at the trailing edge is gained, while eliminating the same area proportion of the front fin edge.
  • the surface area usable for stabilization at anchor becomes larger and thus the stabilization performance is improved. If necessary, the space situation for the connection between the fin and Shaft. At the same time, the conditions for stabilization while driving are maintained.
  • the fins have a sweep at an angle between 10 ° and 30 ° degrees.
  • the fin shaft axis extends in extension to the outer front corner region of the fin.
  • a fin pocket 2 is formed in a ship outer skin 1, which arranged in a region assigned to a pivot column 3 with a pivotable and driven fin shaft 4.
  • the fin shaft 4 with its fin shaft 8 is connected to a fin 5 for roll stabilization.
  • the fin 5 is formed in the form of a quadrilateral, wherein the ship-side short side 6 of the fin 5 in the operating position parallel to the ship's outer skin 1 and the long sides 7 have an angled rearwardly in the direction of travel 9 Pfeil 10.
  • the fin shaft 8 Due to the arrangement of the fin shaft 8 in the range of 10 to 30% of a mean chord length 11 of the fin 5 at central span, a large surface area of the fin 5 usable for stabilization at anchor is created.
  • a pivoting movement of the fin 5 to achieve a rest position in the fin pocket 2 is given by the fact that according to the arrow 10, the pivoting column 3 is pivotable by more than 90 degrees to set a complete or nearly complete recording of the fin 5 in the fin pocket 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Bridges Or Land Bridges (AREA)
EP12400024.1A 2011-08-30 2012-07-04 Dispositif de stabilisation de roulis Active EP2565116B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CY20141100584T CY1116096T1 (el) 2011-08-30 2014-07-16 Μηχανισμος για τη σταθεροποιηση διατοιχισμου

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011112225 2011-08-30

Publications (2)

Publication Number Publication Date
EP2565116A1 true EP2565116A1 (fr) 2013-03-06
EP2565116B1 EP2565116B1 (fr) 2014-04-23

Family

ID=46603860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12400024.1A Active EP2565116B1 (fr) 2011-08-30 2012-07-04 Dispositif de stabilisation de roulis

Country Status (4)

Country Link
EP (1) EP2565116B1 (fr)
CY (1) CY1116096T1 (fr)
DE (1) DE102012013528A1 (fr)
ES (1) ES2478261T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10040521B2 (en) 2015-02-17 2018-08-07 Elisabeth Fournier Ship stabilizer system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20169851A1 (it) 2016-01-07 2016-04-07 Psc Eng S R L Metodo di attenuazione dell’oscillazione di una imbarcazione.
DE102019217746A1 (de) 2019-11-18 2021-05-20 Skf Marine Gmbh Flossenstabilisator
DE102019217749A1 (de) 2019-11-18 2021-05-20 Skf Marine Gmbh Flossenstabilisator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923630A1 (de) 1978-06-19 1980-01-03 Chantiers Du Havre Le Havre So Schlingerruder bei schiffen mit einziehbaren riemenblaettern
FR2489239A1 (fr) * 1980-09-02 1982-03-05 Marker Hannes Derive pour engins a voile
FR2508864A1 (fr) * 1981-07-03 1983-01-07 Noir Jean Louis Dispositif pour equiper un voilier a coque moulee, d'une derive pivotante et auto-orientable
FR2867149A1 (fr) * 2004-03-05 2005-09-09 Dorguloff Bloc coffre-puits de derive pour une embarcation.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923630A1 (de) 1978-06-19 1980-01-03 Chantiers Du Havre Le Havre So Schlingerruder bei schiffen mit einziehbaren riemenblaettern
FR2489239A1 (fr) * 1980-09-02 1982-03-05 Marker Hannes Derive pour engins a voile
FR2508864A1 (fr) * 1981-07-03 1983-01-07 Noir Jean Louis Dispositif pour equiper un voilier a coque moulee, d'une derive pivotante et auto-orientable
FR2867149A1 (fr) * 2004-03-05 2005-09-09 Dorguloff Bloc coffre-puits de derive pour une embarcation.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10040521B2 (en) 2015-02-17 2018-08-07 Elisabeth Fournier Ship stabilizer system

Also Published As

Publication number Publication date
ES2478261T3 (es) 2014-07-21
DE102012013528A1 (de) 2013-02-28
CY1116096T1 (el) 2017-02-08
EP2565116B1 (fr) 2014-04-23

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