EP0052837B1 - Sich selbst aufrichtendes Mehrrumpfboot - Google Patents
Sich selbst aufrichtendes Mehrrumpfboot Download PDFInfo
- Publication number
- EP0052837B1 EP0052837B1 EP81109651A EP81109651A EP0052837B1 EP 0052837 B1 EP0052837 B1 EP 0052837B1 EP 81109651 A EP81109651 A EP 81109651A EP 81109651 A EP81109651 A EP 81109651A EP 0052837 B1 EP0052837 B1 EP 0052837B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotation
- hull
- boat according
- axis
- multihull 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.)
- Expired
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Classifications
-
- 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
- Swiss patent CH-A-581 557 proposes a trimaran of this kind, designed to be straightened by tilting its lateral floats upwards, that is to say towards the mast, around longitudinal axes.
- this tilting brings the floats under the main hull so as to create a moment tending to straighten the boat as soon as it is slightly tilted for example by the effect of the waves.
- a notable disadvantage of this solution is that the folding of the floats towards the mast is hampered by the rigging, since the shrouds make it difficult if not impossible to fold the floats vertically and even beyond, as is necessary to create an unstable balance when the boat is overturned. Furthermore, the stable position obtained by folding the floats upwards is a lying position of the boat, which is hardly desirable.
- the main object of the present invention is to allow an overturned multihull to recover by its own means while avoiding these drawbacks. 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 a stump on each edge 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 downwards, that is to say in the direction of the arrow, from the normal navigation position sketched in FIG. 1.
- a hydraulic or mechanical jack 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 gel-controlled from the main hull 1 for example.
- the compressed gas pumps and / or tanks used to evacuate the water from the float are obviously designed to operate in the difficult conditions which accompany any capsizing.
- the means, both for filling and for evacuation are not of the all-or-nothing type, but make it possible to dose and interrupt these two operations according to the conditions, in particular the state of the sea and the momentary position of the boat around its roll axis.
- Figures 2 and 5 show boats capsized in a stable position, with the mast down.
- one or two floats are first folded upwards 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 at 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 in 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 relatively low ballasting, until the sea becomes manageable again, or drain the floats while folding in normal position. For this, it suffices 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 on-board easements or by compressed gas cartridges.
- the process control (opening of doors and purges, their closing, actuation of the cylinders, pumping after straightening, folding of the arms) must, if necessary, be able to be carried out by manual controls, in principle valves. It can be triggered automatically by a pendulum, by percussion of a mass, or 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)
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH8671/80 | 1980-11-24 | ||
CH867180A CH637889A5 (fr) | 1980-11-24 | 1980-11-24 | Multicoque auto-redressable. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0052837A2 EP0052837A2 (de) | 1982-06-02 |
EP0052837A3 EP0052837A3 (en) | 1982-12-08 |
EP0052837B1 true 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) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2500804A1 (fr) * | 1981-02-27 | 1982-09-03 | Priam Doizi Patrice | Trimaran auto-stable |
EP0185663A4 (de) * | 1983-11-11 | 1987-03-30 | Terry Clifford Ings | Unterseeboot. |
AU569919B2 (en) * | 1983-11-11 | 1988-02-25 | Ings, T.C. | Submersible water craft |
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 |
EP0367909B1 (de) * | 1988-11-11 | 1991-05-29 | Giuseppe Tomasi | Sicherheits- und Stabilitätsvorrichtung für Motorboote beim Sturm |
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 |
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 |
AT509948B1 (de) * | 2010-06-14 | 2015-08-15 | Oliver Dr Kormann | Wasserfahrzeug |
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 |
EP2915734B1 (de) * | 2014-03-03 | 2019-10-30 | FUTURA Yacht Systems EuB GmbH & Co. KG | Mehrrumpf-Wasserfahrzeug mit Ausgleichsverbindung zur Verringerung einer Lagerbelastung |
WO2015158400A1 (en) * | 2014-04-18 | 2015-10-22 | Arena Kelly | Canting water ballast for monohull sailing vessels |
CA3097207A1 (en) | 2018-04-17 | 2019-10-24 | Open Ocean Robotics Inc. | Self-righting watercraft vessel |
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 |
Family Cites Families (12)
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 |
-
1980
- 1980-11-24 CH CH867180A patent/CH637889A5/fr not_active IP Right Cessation
-
1981
- 1981-11-12 DE DE8181109651T patent/DE3172157D1/de not_active Expired
- 1981-11-12 EP EP81109651A patent/EP0052837B1/de not_active Expired
- 1981-11-12 DE DE198181109651T patent/DE52837T1/de active Pending
- 1981-11-17 US US06/322,199 patent/US4441445A/en not_active Expired - Fee Related
- 1981-11-19 CA CA000390441A patent/CA1187343A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE52837T1 (de) | 1983-02-03 |
CA1187343A (en) | 1985-05-21 |
EP0052837A2 (de) | 1982-06-02 |
DE3172157D1 (en) | 1985-10-10 |
US4441445A (en) | 1984-04-10 |
EP0052837A3 (en) | 1982-12-08 |
CH637889A5 (fr) | 1983-08-31 |
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AK | Designated contracting states |
Designated state(s): BE DE FR GB IT LU NL SE |
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ITCL | It: translation for ep claims filed |
Representative=s name: BARZANO' E ZANARDO MILANO S.P.A. |
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17P | Request for examination filed |
Effective date: 19830527 |
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EL | Fr: translation of claims filed | ||
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