EP0348055A1 - Bateau transbordeur pour véhicules - Google Patents

Bateau transbordeur pour véhicules Download PDF

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Publication number
EP0348055A1
EP0348055A1 EP89305595A EP89305595A EP0348055A1 EP 0348055 A1 EP0348055 A1 EP 0348055A1 EP 89305595 A EP89305595 A EP 89305595A EP 89305595 A EP89305595 A EP 89305595A EP 0348055 A1 EP0348055 A1 EP 0348055A1
Authority
EP
European Patent Office
Prior art keywords
deck
door
ferry
vehicles
vehicle
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.)
Withdrawn
Application number
EP89305595A
Other languages
German (de)
English (en)
Inventor
Sydney Hodgson
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.)
MacGregor Gbr Ltd
Original Assignee
MacGregor Navire Gbr Ltd
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 MacGregor Navire Gbr Ltd filed Critical MacGregor Navire Gbr Ltd
Publication of EP0348055A1 publication Critical patent/EP0348055A1/fr
Withdrawn legal-status Critical Current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 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • B63B43/045—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability by decreasing the free surface effect of water entered in enclosed decks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/24—Arrangements of watertight doors in bulkheads

Definitions

  • This invention relates to vehicle ferries of the so called 'roll-on, roll-off' or 'Ro-Ro' type.
  • Ferries of this type have large open vehicle decks which have proved to be very dangerous if flooded.
  • a large quantity of seawater entering at stern or bow can flood through the length of the ship, and then capsize the vessel by moving to port or starboard.
  • the invention aims to provide a ferry in which this problem is reduced or avoided by provision of flood control.
  • a ro-ro ferry openable at bow and stern, comprising a vehicle deck having a plurality of vehicles thereon, characterised in that the deck is subdivided by at least one door extending across the deck to provide at least one watertight barrier along a line dividing the deck, wherein the door(s) are mounted on hinges so as to be closable along said line behind a first set of vehicles which substantially fill the space ahead of the line in a loading direction, and to be openable ahead of a second set of vehicles, which substantially fill the space behind the line, after the first set have driven off in the loading direction.
  • Such a barrier can prevent an excessive amount of water passing along the deck and thereafter destabilising the vessel.
  • the system is inherently mainly fail-safe, since movement of the doors is normally required only in port, so failure of the operating power or hydraulics will not jeopardise safety.
  • the hinges are mounted on the side(s) of the deck. Alternatively, they may be mounted on the roof of the deck.
  • the ferry further comprises releasable locking means to secure the door(s) in a chosen position.
  • the releasable locking means comprises one or more latches attached to the door(s), which engage the floor of the vehicle deck.
  • Standard types of seal rely on the weight of the equipment to achieve the desired compression and need to be lifted prior to rotating the door. This represents an additional operation and requires costly equipment.
  • Two other types of sealing systems are pneumatically inflatable and pneumatically deflatable types. The first requires pressure above atmospheric to maintain the seal and requires ejectors and/or a vacuum pump to retract the seal. If this type of seal becomes punctured, the sealing is lost.
  • the preferred system is the "deflatable type" with a hollow resilient tube section which by virtue of its form is “spring loaded”, that is, having a natural tendency to the erected or expanded position at atmospheric pressure and requiring to be retracted to break the seal and allow the door to move.
  • This natural tendency to the expanded position means that if the seal becomes punctured it will maintain it's sealing qualities, thereby giving a fail-safe feature.
  • the hinges are movable fore and off.
  • a method of operating a ro-ro ferry having an embarkation or disembarkation opening at the stern and bow and having a vehicle deck subdivided into two sections by at least one watertight door that is swingable about the side(s) of the deck, the method being characterised in that it comprises the steps of embarking a group of vehicles on the ferry through the embarkation opening, passing said group of vehicle through the ship to fill the first section of the deck, said first section being remote from the embarkation opening, closing the door(s), embarking further vehicles to fill the second section of the deck, disembarking the group of vehicles from the first section of the deck through the disembarkation opening, opening the door(s) and disembarking the remaining vehicles from the deck, wherein disembarkation is carried out by moving the vehicles in the direction of embarkation.
  • doors 10, 11 are hinged to the side 12 and mid-wall 13 of the vessel and can both open in both direction, as shown by the arcs.
  • the doors are of steel construction ( Figure 2) and include a personnel access hatch 14 openable hydraulically. Each door has hydraulic latches 15.
  • Figure.3 shows an impression of vehicles loaded, with the doors half open for disembarkation.
  • the doors are of simple steel construction designed with a minimum thickness, for two reasons; firstly the vehicle stowage loss is kept to an absolute minimum, and secondly when the doors are open there is a minimum loss of "drive through width" for the roll-on roll-off operation.
  • the simple steel construction is chosen as a cost effective measure, at the same time giving a robust and relatively maintenance-free design.
  • Various other materials could be considered for the doors, but they would have to have a greater structural thickness to achieve the same capability of a steel structure.
  • an aluminium door would require approximately three times the thickness of a steel door to obtain the same load bearing capability.
  • Such other materials would therefore only be practical of weight saving was of prime importance.
  • Other high strength materials may be available but costs and structural thickness are both prime factors and normally the doors, like the ship itself, should be of steel.
  • the hinges of the doors may be mounted on the walls on slide bars so that the whole of a pair of doors may be moved longitudinally to allow for variations in the length of vehicles being stowed.
  • the doors could be of uniform height across, but in the version shown the weight saving is significant, and it is considered that on the centre line of the ship the door height needed is less.
  • the hinges of the doors may be mounted on the roof of the vehicle deck.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Seal Device For Vehicle (AREA)
EP89305595A 1988-06-06 1989-06-02 Bateau transbordeur pour véhicules Withdrawn EP0348055A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8813363 1988-06-06
GB888813363A GB8813363D0 (en) 1988-06-06 1988-06-06 Vehicle ferry

Publications (1)

Publication Number Publication Date
EP0348055A1 true EP0348055A1 (fr) 1989-12-27

Family

ID=10638160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89305595A Withdrawn EP0348055A1 (fr) 1988-06-06 1989-06-02 Bateau transbordeur pour véhicules

Country Status (2)

Country Link
EP (1) EP0348055A1 (fr)
GB (1) GB8813363D0 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29500339U1 (de) * 1995-01-12 1996-05-02 MACOR Marine Systems International GmbH, 28329 Bremen Schott zum Verschließen eines Schiffsdecks
GB2303584A (en) * 1995-07-28 1997-02-26 Mactaggart Scott Improvements in Bulkheads
WO1997013680A1 (fr) * 1995-04-12 1997-04-17 Tengwall Goeran Procede et dispositif destines a reduire le risque qu'un navire coule
BE1009999A4 (fr) * 1996-02-16 1997-11-04 Carbo Coal Enterprises Ltd Rideau a elements articules pour la fermeture de passages.
EP2193990A2 (fr) 2008-09-26 2010-06-09 Engineering Research Center AS Cloison avec section pivotable
KR101454388B1 (ko) 2013-01-04 2014-10-23 삼성중공업 주식회사 컨테이너 선박

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364928A (en) * 1943-10-23 1944-12-12 Thompson Peter Cargo ship construction
DE3102832A1 (de) * 1980-02-02 1981-12-03 MacGregor International S.A., 4002 Basel Dichtungsanordnung fuer plattenfoermige verschlusselemente
FR2502106A1 (fr) * 1981-03-20 1982-09-24 Mac Gregor International Sa Cloison etanche de cale, notamment pour navires rouliers
DE3713837A1 (de) * 1987-04-24 1988-11-10 Blohm Voss Ag Schott fuer schiffe
GB2206544A (en) * 1987-07-03 1989-01-11 Hydroconic Ltd Improvements to the damaged and flooded stability of vessels with fully enclosed superstructures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364928A (en) * 1943-10-23 1944-12-12 Thompson Peter Cargo ship construction
DE3102832A1 (de) * 1980-02-02 1981-12-03 MacGregor International S.A., 4002 Basel Dichtungsanordnung fuer plattenfoermige verschlusselemente
FR2502106A1 (fr) * 1981-03-20 1982-09-24 Mac Gregor International Sa Cloison etanche de cale, notamment pour navires rouliers
DE3713837A1 (de) * 1987-04-24 1988-11-10 Blohm Voss Ag Schott fuer schiffe
GB2206544A (en) * 1987-07-03 1989-01-11 Hydroconic Ltd Improvements to the damaged and flooded stability of vessels with fully enclosed superstructures

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29500339U1 (de) * 1995-01-12 1996-05-02 MACOR Marine Systems International GmbH, 28329 Bremen Schott zum Verschließen eines Schiffsdecks
EP0721881A1 (fr) * 1995-01-12 1996-07-17 MACOR Marine Systems International GmbH Cloison pour la compartimentation du pont d'un bateau
WO1997013680A1 (fr) * 1995-04-12 1997-04-17 Tengwall Goeran Procede et dispositif destines a reduire le risque qu'un navire coule
GB2303584A (en) * 1995-07-28 1997-02-26 Mactaggart Scott Improvements in Bulkheads
BE1009999A4 (fr) * 1996-02-16 1997-11-04 Carbo Coal Enterprises Ltd Rideau a elements articules pour la fermeture de passages.
EP2193990A2 (fr) 2008-09-26 2010-06-09 Engineering Research Center AS Cloison avec section pivotable
EP2193990A3 (fr) * 2008-09-26 2012-11-28 Engineering Research Center AS Cloison avec section pivotable
KR101454388B1 (ko) 2013-01-04 2014-10-23 삼성중공업 주식회사 컨테이너 선박

Also Published As

Publication number Publication date
GB8813363D0 (en) 1988-07-13

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