EP0052837A2 - Sich selbst aufrichtendes Mehrrumpfboot - Google Patents

Sich selbst aufrichtendes Mehrrumpfboot Download PDF

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Publication number
EP0052837A2
EP0052837A2 EP81109651A EP81109651A EP0052837A2 EP 0052837 A2 EP0052837 A2 EP 0052837A2 EP 81109651 A EP81109651 A EP 81109651A EP 81109651 A EP81109651 A EP 81109651A EP 0052837 A2 EP0052837 A2 EP 0052837A2
Authority
EP
European Patent Office
Prior art keywords
float
rotation
multihull
axis
boat
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
EP81109651A
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English (en)
French (fr)
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EP0052837A3 (en
EP0052837B1 (de
Inventor
Roger De Weck
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0052837A2 publication Critical patent/EP0052837A2/de
Publication of EP0052837A3 publication Critical patent/EP0052837A3/fr
Application granted granted Critical
Publication of EP0052837B1 publication Critical patent/EP0052837B1/de
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/003—Righting capsized vessels, e.g. sailing vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/14—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration

Definitions

  • the main object of the present invention is to allow an overturned multihull to recover by its own means. It can also help prevent capsizing and incidentally save space at anchor.
  • Figure 1 shows a schematic cross-section of an embodiment of the invention, applied to a trimaran whose plane of lateral symmetry is indicated by 8.
  • the main hull 1 thereof carries on each edge a stump 2 terminated by an articulation 3 to which is fixed a lateral beam 4 which carries a lateral float 5.
  • the articulation 3 is arranged so that the beam can rotate - relative to the shell 1 - around a substantially axis parallel to the longitudinal axis of the trimaran, that is to say perpendicular to the plane of the drawing. This rotation takes place downward, that is to say in the direction of the arrow, from the normal navigation position sketched in FIG. 1.
  • a hydraulic or mechanical cylinder 6 articulated on the stump on the one hand and on the beam of the other allows to exert the force necessary for rotation.
  • Means (not shown) are provided for filling the float 5 with water and for emptying it, if necessary by overcoming a certain hydrostatic pressure, when the float is submerged.
  • some openings 7a, b, c have been sketched to indicate the presence of the valves and air purges necessary for these operations; and it goes without saying that the controls of these openings must be either automatic or remote-controlled from the main shell 1 for example.
  • the compressed gas pumps and / or tanks used to evacuate the water from the float are obviously designed to operate under the difficult conditions which accompany any capsizing.
  • it may be useful for the filling and evacuation means not to be of the all or nothing type, but to make it possible to dose and interrupt these two operations depending on the conditions, in particular the state of the sea and the momentary position of the boat around its roll axis.
  • Figures 2 - 4 for a trimaran, and 5 - 7 for a catamaran or a prao show boats capsized in a stable position, with the mast down.
  • one or two floats are first folded up by means of the jacks 6 and then filled with water, which leads to the situation in FIGS. 3 and 6, which is obviously not stable but causes a tilting leading to the positions of Figures 4 and 7, respectively.
  • Figures 3 and 6 can also be reached by first opening valves and purges of the float (s) in the inverted position of Figures 2 and 5, and then raising the beams upwards, after closing valves and purges.
  • the solution chosen may vary depending on the efficiency of the cylinders and any pumping means provided.
  • the float 10 in FIG. 3 can be submerged before being erected, which simplifies the pumping operations.
  • the inclination of the beams relative to the mast in Figure 3 is also not absolutely necessary, since under the wind and sea conditions envisaged an exactly vertical orientation of these beams would also achieve an unstable position, when the floats are filled with 'water.
  • Figures 4 and 7 illustrate the stable position reached after tilting due to ballasting of the upright float (s). After fully straightening out by orienting its beams parallel to the mast, the trimaran in Figure 4 can either remain in this stable position despite a relatively low ballast, until the sea becomes manageable again, or empty the floats while folding them back into normal position. For this, it is also enough to empty the floats which will go up by themselves, making the use of cylinders unnecessary.
  • the position floats submerged vertically under the main hull can also be taken preventively if necessary. In addition it can be useful in congested ports, having sufficient depth.
  • the total recovery of the catamaran in Figure 7 is more delicate and may require some synchronization between the emptying of the submerged float and its return to normal position by rotation in the direction of the arrow.
  • This folding must be done relatively quickly, in order to use the very high resistance of the rigging in the water to obtain a positive torque sufficient to initiate the straightening before the mast points below the horizontal.
  • it may be favorable to start the evacuation of the submerged float at the start of the drawdown, or even before; automatic control of the operation could usefully be envisaged in certain cases.
  • the necessary operations can be carried out manually or with simple mechanics on small sports units, but also implemented in very different ways on larger units.
  • the necessary energy can be supplied either by a nitrogen or compressed air tank or by a hand pump, or an electric motor powered by a sealed battery. These means can be supplemented by a heat engine suspended from the gimbal and ensuring the usual easements on board or by compressed gas cartridges.
  • the process control (opening of doors and purges, their closing, action of the jacks, pumping after straightening, folding of the arms) must, if necessary, be able to be carried out by manual commands, in principle valves. It can be triggered automatically by a pendulum, by percussion of a mass, or even by mercury contact bulb, to cite only a few examples.
  • the filling of the lateral floats can be limited by the existence of a longitudinal internal partition.
  • the weight of the lateral floats can, on the contrary, be increased by the existence of daggerboards, or foils.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
EP81109651A 1980-11-24 1981-11-12 Sich selbst aufrichtendes Mehrrumpfboot Expired EP0052837B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH867180A CH637889A5 (fr) 1980-11-24 1980-11-24 Multicoque auto-redressable.
CH8671/80 1980-11-24

Publications (3)

Publication Number Publication Date
EP0052837A2 true EP0052837A2 (de) 1982-06-02
EP0052837A3 EP0052837A3 (en) 1982-12-08
EP0052837B1 EP0052837B1 (de) 1985-09-04

Family

ID=4343333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81109651A Expired EP0052837B1 (de) 1980-11-24 1981-11-12 Sich selbst aufrichtendes Mehrrumpfboot

Country Status (5)

Country Link
US (1) US4441445A (de)
EP (1) EP0052837B1 (de)
CA (1) CA1187343A (de)
CH (1) CH637889A5 (de)
DE (2) DE3172157D1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002157A1 (en) * 1983-11-11 1985-05-23 Terry Clifford Ings Submersible water craft
AU569919B2 (en) * 1983-11-11 1988-02-25 Ings, T.C. Submersible water craft
EP0367909A1 (de) * 1988-11-11 1990-05-16 Giuseppe Tomasi Sicherheits- und Stabilitätsvorrichtung für Motorboote beim Sturm
AT509948B1 (de) * 2010-06-14 2015-08-15 Oliver Dr Kormann Wasserfahrzeug
CN111619725A (zh) * 2020-04-22 2020-09-04 北京航天控制仪器研究所 一种侧片体可自主升降的三体测量船

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500804A1 (fr) * 1981-02-27 1982-09-03 Priam Doizi Patrice Trimaran auto-stable
US4651666A (en) * 1984-10-31 1987-03-24 Lake John A Multi-hull sailboat righter
US4610212A (en) * 1985-10-11 1986-09-09 Petrovich Enrique G Fast self righting catamaran
CA1289819C (en) * 1987-02-10 1991-10-01 Wayne B. Wenstob Self-righting monohull vessel
US5050517A (en) * 1988-10-21 1991-09-24 Yamaha Hatsudoke Kabushiki Kaisha Small sized jet propulsion boat
US5060591A (en) * 1990-04-23 1991-10-29 Richard Ciavarra Sailboat
US5277142A (en) * 1991-11-01 1994-01-11 Connor Dennis P Variable-beam catamaran
US5540170A (en) * 1994-08-17 1996-07-30 Purdy; Peter K. Multi-hull marine vessel with retractable outer hulls
US5636585A (en) * 1995-10-20 1997-06-10 Schulz; Walter A. Sailboat with hydrofoil members
US5937777A (en) * 1995-12-16 1999-08-17 Mission Yachts Plc Monohull water-borne craft
USD400492S (en) 1997-12-10 1998-11-03 Helmuth Bachmann Detachable external water ballast bags for sailboats
US6029595A (en) * 1998-12-11 2000-02-29 Bachmann; Helmuth G. External water ballast container for sailboats
FR2808251B1 (fr) 2000-04-28 2002-09-13 Pierre Bouyssou Trimaran a empattement variable
FR2825677B1 (fr) * 2001-06-12 2003-09-05 Francois Riche Voilier trimaran redressable avec flotteurs ballasts pendulaires
DE10216194A1 (de) * 2001-09-15 2003-04-10 Bodo Frieske Stützträger für die Stabilisierung von Booten
FR2858593B1 (fr) * 2003-08-05 2005-09-30 Francois Riche Voilier trimaran auto redressable
CA2501341C (en) * 2004-04-02 2011-01-11 Oue Turundusteave Conversion kit for all terrain vehicle
US20060254486A1 (en) * 2005-05-12 2006-11-16 Ashdown Glynn R Winged hull for a watercraft
AU2007231696B2 (en) * 2006-10-30 2013-06-20 Barry May Vessel
CN102060083A (zh) * 2010-12-26 2011-05-18 广州中船龙穴造船有限公司 一种双体船结构
DE102011007934A1 (de) 2011-01-03 2012-07-05 Oliver Schwan Gennakerbaum
ES2765188T3 (es) * 2014-03-03 2020-06-08 Futura Yacht Systems Eub Gmbh & Co Kg Embarcación multicasco con unión de compensación para reducir una carga de cojinete
WO2015158400A1 (en) * 2014-04-18 2015-10-22 Arena Kelly Canting water ballast for monohull sailing vessels
US11655008B2 (en) 2018-04-17 2023-05-23 Open Ocean Robotics Inc. Self-righting trimaran

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1709219A (en) * 1927-10-12 1929-04-16 Hille Carl Sailboat
US3099912A (en) * 1955-10-21 1963-08-06 Kerr Mc Gee Oil Ind Inc Submersible barge for submarine operations
US3137263A (en) * 1963-04-29 1964-06-16 Joseph D Sainte-Claire Ballast means for ships and the like
US3304898A (en) * 1964-03-30 1967-02-21 Joseph D Sainte-Claire Ship controls
US3541987A (en) * 1968-09-26 1970-11-24 William Barkley Water vehicle with elevated deck
CH581557A5 (en) * 1975-01-14 1976-11-15 Brauch Klaus Trimaran capsizing correction system - has floats mounted on swinging arms to lift hull clear of water to prevent overturning
US3981259A (en) * 1975-07-07 1976-09-21 Harper Jr William H Catamaran with extensible hulls
FR2359024A1 (fr) * 1976-07-21 1978-02-17 Raymond Serge Procede et dispositif permettant de redresser un navire multicoques apres chavirement
NL170940C (nl) * 1977-01-20 1983-01-17 Varitrac Ag Stabilisatie-inrichting voor een kraanvaartuig met onderwaterrompen.
US4159006A (en) * 1977-06-27 1979-06-26 Thurston John W Multihull vessels
US4223621A (en) * 1978-05-19 1980-09-23 Herman Berger Multihull sailing vessel having means for righting capsized vessels incorporated therein
US4297961A (en) * 1979-12-31 1981-11-03 Weaver Shipyard And Drydock, Inc. Outrigger-stabilized floating crane system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002157A1 (en) * 1983-11-11 1985-05-23 Terry Clifford Ings Submersible water craft
AU569919B2 (en) * 1983-11-11 1988-02-25 Ings, T.C. Submersible water craft
EP0367909A1 (de) * 1988-11-11 1990-05-16 Giuseppe Tomasi Sicherheits- und Stabilitätsvorrichtung für Motorboote beim Sturm
WO1990005085A1 (fr) * 1988-11-11 1990-05-17 Giuseppe Tomasi Systeme de securite et de stabilite dans la mer en tempete pour embarcations a moteur
AT509948B1 (de) * 2010-06-14 2015-08-15 Oliver Dr Kormann Wasserfahrzeug
CN111619725A (zh) * 2020-04-22 2020-09-04 北京航天控制仪器研究所 一种侧片体可自主升降的三体测量船
CN111619725B (zh) * 2020-04-22 2021-07-13 北京航天控制仪器研究所 一种侧片体可自主升降的三体测量船

Also Published As

Publication number Publication date
EP0052837A3 (en) 1982-12-08
EP0052837B1 (de) 1985-09-04
US4441445A (en) 1984-04-10
DE52837T1 (de) 1983-02-03
CH637889A5 (fr) 1983-08-31
CA1187343A (en) 1985-05-21
DE3172157D1 (en) 1985-10-10

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