EP0079404A1 - Bouée d'amarrage à un seul point comprenant un bras rigide - Google Patents

Bouée d'amarrage à un seul point comprenant un bras rigide Download PDF

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Publication number
EP0079404A1
EP0079404A1 EP81201274A EP81201274A EP0079404A1 EP 0079404 A1 EP0079404 A1 EP 0079404A1 EP 81201274 A EP81201274 A EP 81201274A EP 81201274 A EP81201274 A EP 81201274A EP 0079404 A1 EP0079404 A1 EP 0079404A1
Authority
EP
European Patent Office
Prior art keywords
buoy
rigid arm
vessel
single point
tension members
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
EP81201274A
Other languages
German (de)
English (en)
Other versions
EP0079404B2 (fr
EP0079404B1 (fr
Inventor
Jacob De Baan
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.)
Bluewater Terminal Systems NV
Original Assignee
Bluewater Terminal Systems NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8188163&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0079404(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bluewater Terminal Systems NV filed Critical Bluewater Terminal Systems NV
Priority to EP81201274A priority Critical patent/EP0079404B2/fr
Priority to DE8181201274T priority patent/DE3174847D1/de
Priority to OA57840A priority patent/OA07247A/fr
Priority to DK507682A priority patent/DK154335C/da
Priority to ES1982268488U priority patent/ES268488Y/es
Priority to NO823830A priority patent/NO154954C/no
Priority to BR8206620A priority patent/BR8206620A/pt
Priority to PH28146A priority patent/PH21279A/en
Priority to JP57201788A priority patent/JPS5897585A/ja
Publication of EP0079404A1 publication Critical patent/EP0079404A1/fr
Publication of EP0079404B1 publication Critical patent/EP0079404B1/fr
Application granted granted Critical
Priority to SG313/88A priority patent/SG31388G/en
Publication of EP0079404B2 publication Critical patent/EP0079404B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00—Buoys
    • B63B22/02—Buoys specially adapted for mooring a vessel
    • B63B22/021—Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids
    • B63B22/025—Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids and comprising a restoring force in the mooring connection provided by means of weight, float or spring devices

Definitions

  • the present invention relates to a single point mooring buoy with a vessel moored to it, floating on the surface of a body of water.
  • This buoy is anchored by means of a number of anchor points and anchor chains to the floor of the body of water, while the vessel is coupled to the buoy by a rigid arm which serves to hold the vessel away from the buoy.
  • This member is at one end pivotably hinged on the horizontally disposed pin affixed to the buoy, and at the other end it is coupled to the vessel in such a manner that the vessel is free to swing about the vertical axis of the buoy.
  • Such a single point mooring buoy with rigid arm is known from the Dutch Patent Applications 6600321 and 7207903, laid open to public inspection.
  • the rigid arm is pivotably hinged to the vessel.
  • This connection is made by means of a horizontally disposed pivot.
  • the buoy and vessel the latter of which is in many instances a tanker, are subject to the motions of the waves within the body of water and the forces exerted by the wind. Consequently, the rigid arm needs to have considerable inherent strength and stiffness to cope with the forces exerted upon it by the vessel. These forces attempt to turn the buoy over or force it sideways in relation to the connected vessel or tanker.
  • This situation implies that the rigid arm needs to have a relatively large hinge construction at the end which is connected to the vessel or tanker in order to provide adequate strength and stability, with the result that an expensive construction and/or extensive vessel modifications are necessary.
  • a structure which is subject to considerably reduced loads is achieved by attaching the rigid arm to the vessel by means of two pivotable tension members located at each side of the hull, including a pivot in the rigid arm which allows independent roll motions between the vessel and the buoy.
  • the rigid arm does not require any torsional stiffness and the strength of the rigid arm does not need to exceed the forces necessary to transfer the anchoring forces of the vessel to the anchor chains.
  • the rigid arm is fitted to the vessel or tanker in a similar way as a wide swing is connected to its support beam. This implies that only the distance between the rigid arm and the vessel is maintained by the weight of the swing, whilst no other restriction in motion is implied.
  • the buoy and rigid arm may tend to jack-knife when the vessel is pushed towards the single point mooring buoy by a reverse current, such as occurs during a change in tide.
  • the weight of the rigid arm provides a restoring force and a restoring moment when the vessel moves towards, away or out of line with the buoy and rigid arm.
  • the restoring force is proportional to the weight of the rigid arm, inclusive of its ballast weight, the sine of the angle of inclination from the vertical of the tension members, and the length of the tension members.
  • the value of the restoring moment is also proportional to the distance between the two tension members. The restoring moment can be altered by changing the length of the 'vertical' pivotable tension members, or by changing the weight of the rigid arm using ballast, depending on the demands imposed by the dimensions of the mooring arrangement, the expected weather and storm conditions, etc.
  • a preferred embodiment of the present invention would involve the rigid arm be g provided with a ballasting arrangement that could be emptied to erable the rigid arm to act as a floating unit. This would provide the mooring system with a stable buoyancy capacity should the vessel be disconnected.
  • FIGURE 1 is a general view of a preferred embodiment of the apparatus of the present invention.
  • the vessel (1) is moored to the floor of a body of water (2) by means of two tension members (6)(7), a rigid arm (15), a standard type of single point mooring buoy (3), and one or more anchor chains (5).
  • the single point mooring buoy (3) is of a type known to those skilled in the art, and consists of a buoy body (4) on which the turntable (8) is free to rotate about the vertical axis (A-A) of the buoy body (4).
  • the buoy body (4) is attached to the floor of the body of water (2) by means of one or more anchor chains (5).
  • the rigid arm (15) is attached to the single point mooring buoy (3) by means of the hinges (9). These hinges (9) allow relative movement between the buoy (3) and the rigid arm (15) about the horizontal axis (B-B).
  • the axial rotational connection (10) located in the rigid arm (15) allows axial rotational movements of the rigid arm (15) in relation to the buoy (3).
  • the rigid arm (15) is Y-shaped, and the two arms (11)(12) incorporate ballasting arrangements (13)(14). This implies that the two arms (11)(12) can be ballasted or alternatively deballasted, in which case the rigid arm (15) can become independently buoyant.
  • Two tension members (6)(7) which can be chains, cables or bars, connect the two arms (11)(12) to the vessel (1).
  • a mooring hawser (18) connects the single point mooring buoy (3) to the vessel (1). This is to provide both an additional mooring facility and a factor of safety in the mooring arrangement.
  • the product fluid is carried to the single point mooring buoy (3) by means of the submarine riser (16). It is then transported to the vessel (1) by means of the floating hose string (17).
  • Figure 1 shows a CALM (Catenary Anchor Leg Mooring) apparatus.
  • the invention is also applicable in combination with all other SPM (Single Point Mooring) apparatus such as the SALM (Single Anchor Leg Mooring) buoy, laid open to public inspection in the Dutch Patent Application 7600189.
  • SPM Single Point Mooring
  • SALM Single Anchor Leg Mooring
  • the rigid arm (15) is attached to the single point mooring buoy (3) by means of the hinges (9). These hinges (9) allow relative movement between the buoy (3) and the rigid arm (15) about the horizontal axis (B-B).
  • the axial rotational connection (10) located in the rigid arm (15) allows axial rotational movements of the rigid arm (15) in relation to the buoy (3).
  • the rigid arm (15) is Y-shaped, and the two side arms (11, 12) incorporate ballasting arrangements (13, 14).
  • the two side arms (11, 12) can be ballasted or alternatively deballasted, in which case the rigid arm (15) can become independently buoyant.
  • Two tension members (6, 7) which can be chains, cables or bars, connect the two side arms (11, 12) to the vessel (1) .
  • These tension members (6, 7) run from the ballasting members (13, 14) upwards through hawses (19) to fixing points (22) on dock (21) of the vessel (1). Any rolling movement of the vessel (1) is thus smoothed out by the up-and-down movement of the side arms (11, 12) causing the middle leg of the Y-shaped rigid arm to oscillate about its axis. Nearly the same effect can be obtained when the rigid arm is not Y-shaped but instead T-shaped. Similar shapes can also be used.
  • a mooring hawser (18) connects the single point mooring buoy (3) to a fixing point (24) on deck of the vessel (1). This is to provide both an additional mooring facility and a factor of safety in the mooring arrangement.
  • the product fluid is carried to the single point mooring buoy (3) by means of the submarine riser (16). It is then transported to the vessel (1) by means of the floating hose string (17).
  • Fig. 1 shows a CALM (Catenary Anchor Leg Mooring) apparatus.
  • the invention is also applicable in combination with all other SPM (Single Point Mooring) apparatus such as the SALM (Single Anchor Leg Mooring) buoy, laid open to public inspection in the Dutch Patent Application 7600189.
  • SPM Single Point Mooring
  • SALM Single Anchor Leg Mooring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP81201274A 1981-11-17 1981-11-17 Bouée d'amarrage à un seul point comprenant un bras rigide Expired - Lifetime EP0079404B2 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP81201274A EP0079404B2 (fr) 1981-11-17 1981-11-17 Bouée d'amarrage à un seul point comprenant un bras rigide
DE8181201274T DE3174847D1 (en) 1981-11-17 1981-11-17 A single point mooring buoy with rigid arm
OA57840A OA07247A (fr) 1981-11-17 1982-11-05 Stucture d'ancrage à point unique.
DK507682A DK154335C (da) 1981-11-17 1982-11-15 Indretning til fortoejning af et fartoej
ES1982268488U ES268488Y (es) 1981-11-17 1982-11-15 Estructura de amarre de un solo punto.
BR8206620A BR8206620A (pt) 1981-11-17 1982-11-16 Estrutura de atracacao para atracar uma embarcacao sobre a superficie de uma massa d'agua
NO823830A NO154954C (no) 1981-11-17 1982-11-16 Fortoeyningskonstruksjon.
PH28146A PH21279A (en) 1981-11-17 1982-11-16 Single-point mooring structure
JP57201788A JPS5897585A (ja) 1981-11-17 1982-11-17 繋留装置
SG313/88A SG31388G (en) 1981-11-17 1988-05-21 A single point mooring buoy with rigid arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81201274A EP0079404B2 (fr) 1981-11-17 1981-11-17 Bouée d'amarrage à un seul point comprenant un bras rigide

Publications (3)

Publication Number Publication Date
EP0079404A1 true EP0079404A1 (fr) 1983-05-25
EP0079404B1 EP0079404B1 (fr) 1986-06-18
EP0079404B2 EP0079404B2 (fr) 1992-03-25

Family

ID=8188163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201274A Expired - Lifetime EP0079404B2 (fr) 1981-11-17 1981-11-17 Bouée d'amarrage à un seul point comprenant un bras rigide

Country Status (10)

Country Link
EP (1) EP0079404B2 (fr)
JP (1) JPS5897585A (fr)
BR (1) BR8206620A (fr)
DE (1) DE3174847D1 (fr)
DK (1) DK154335C (fr)
ES (1) ES268488Y (fr)
NO (1) NO154954C (fr)
OA (1) OA07247A (fr)
PH (1) PH21279A (fr)
SG (1) SG31388G (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547789A1 (fr) * 1983-06-21 1984-12-28 Emh Systeme d'amarrage d'un corps flottant de grandes dimensions notamment en mer
FR2551721A2 (fr) * 1983-09-14 1985-03-15 Emh Systeme d'amarrage d'un corps flottant de grandes dimensions notamment en mer
FR2556308A1 (fr) * 1983-12-07 1985-06-14 Blohm Voss Ag Ancrage permanent de constructions flottantes
GB2198407A (en) * 1986-06-19 1988-06-15 Peter William George Burridge Single point buoy
US4836813A (en) * 1987-06-15 1989-06-06 Single Buoy Moorings Inc. Mooring system
US4917038A (en) * 1988-04-11 1990-04-17 Single Buoy Moorings Inc. Mooring system with quick-action coupling
EP1308384A3 (fr) * 2001-08-06 2003-09-03 Single Buoy Moorings Inc. Système de transfert pour hydrocarbures
WO2007071647A3 (fr) * 2005-12-22 2007-08-23 Bluewater Energy Services Bv Systeme d'ancrage
EP2895384A4 (fr) * 2012-09-14 2016-04-20 Us Gov Sec Navy Procédé et système de connecteur attiré magnétiquement
CN110203331A (zh) * 2019-06-14 2019-09-06 上海外高桥造船有限公司 一种用于帆缆舱口的缆绳防磨装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61163083A (ja) * 1985-01-14 1986-07-23 Mitsubishi Heavy Ind Ltd 一点係留装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155069A (en) * 1962-08-17 1964-11-03 B P Tanker Company Ltd Mooring arrangements for ships
US3442245A (en) * 1968-04-08 1969-05-06 Us Army Rigid arm mooring means
US3556170A (en) * 1964-01-10 1971-01-19 Fmc Corp Mooring and fluid-transferring method
FR2133307A5 (fr) * 1971-04-16 1972-11-24 Elf Entr Rech Activit
US4176615A (en) * 1977-11-21 1979-12-04 Amtel, Inc. Mooring attachment for single point mooring terminals
GB2056391A (en) * 1979-08-17 1981-03-18 Tecnomare Spa A mooring system for surface vessels

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155069A (en) * 1962-08-17 1964-11-03 B P Tanker Company Ltd Mooring arrangements for ships
US3556170A (en) * 1964-01-10 1971-01-19 Fmc Corp Mooring and fluid-transferring method
US3442245A (en) * 1968-04-08 1969-05-06 Us Army Rigid arm mooring means
FR2133307A5 (fr) * 1971-04-16 1972-11-24 Elf Entr Rech Activit
US4176615A (en) * 1977-11-21 1979-12-04 Amtel, Inc. Mooring attachment for single point mooring terminals
GB2056391A (en) * 1979-08-17 1981-03-18 Tecnomare Spa A mooring system for surface vessels

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547789A1 (fr) * 1983-06-21 1984-12-28 Emh Systeme d'amarrage d'un corps flottant de grandes dimensions notamment en mer
FR2551721A2 (fr) * 1983-09-14 1985-03-15 Emh Systeme d'amarrage d'un corps flottant de grandes dimensions notamment en mer
EP0135445A1 (fr) * 1983-09-14 1985-03-27 Entreprise D'equipements Mecaniques Et Hydrauliques (E.M.H.) Système d'amarrage d'un corps flottant de grandes dimensions notamment en mer
FR2556308A1 (fr) * 1983-12-07 1985-06-14 Blohm Voss Ag Ancrage permanent de constructions flottantes
GB2198407B (en) * 1986-06-19 1990-01-17 Peter William George Burridge Bearing assembly
GB2198407A (en) * 1986-06-19 1988-06-15 Peter William George Burridge Single point buoy
US4836813A (en) * 1987-06-15 1989-06-06 Single Buoy Moorings Inc. Mooring system
US4917038A (en) * 1988-04-11 1990-04-17 Single Buoy Moorings Inc. Mooring system with quick-action coupling
EP1308384A3 (fr) * 2001-08-06 2003-09-03 Single Buoy Moorings Inc. Système de transfert pour hydrocarbures
WO2007071647A3 (fr) * 2005-12-22 2007-08-23 Bluewater Energy Services Bv Systeme d'ancrage
CN101356092B (zh) * 2005-12-22 2011-08-03 蓝水能源服务有限公司 系泊系统
EP2895384A4 (fr) * 2012-09-14 2016-04-20 Us Gov Sec Navy Procédé et système de connecteur attiré magnétiquement
US9803787B2 (en) 2012-09-14 2017-10-31 The United States Of America, As Represented By The Secretary Of The Navy Magnetically attracted fluid transfer system
CN110203331A (zh) * 2019-06-14 2019-09-06 上海外高桥造船有限公司 一种用于帆缆舱口的缆绳防磨装置

Also Published As

Publication number Publication date
SG31388G (en) 1993-01-29
OA07247A (fr) 1984-08-31
JPS5897585A (ja) 1983-06-10
BR8206620A (pt) 1983-10-04
DK154335B (da) 1988-11-07
ES268488Y (es) 1983-12-01
EP0079404B2 (fr) 1992-03-25
NO154954C (no) 1987-01-21
EP0079404B1 (fr) 1986-06-18
PH21279A (en) 1987-09-28
DE3174847D1 (en) 1986-07-24
DK154335C (da) 1989-06-12
NO154954B (no) 1986-10-13
DK507682A (da) 1983-05-18
NO823830L (no) 1983-05-18
ES268488U (es) 1983-05-16

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