EP0232359B1 - Segelboot - Google Patents

Segelboot Download PDF

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Publication number
EP0232359B1
EP0232359B1 EP86904976A EP86904976A EP0232359B1 EP 0232359 B1 EP0232359 B1 EP 0232359B1 EP 86904976 A EP86904976 A EP 86904976A EP 86904976 A EP86904976 A EP 86904976A EP 0232359 B1 EP0232359 B1 EP 0232359B1
Authority
EP
European Patent Office
Prior art keywords
boat
sailing boat
hull
sailing
piston
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 - Lifetime
Application number
EP86904976A
Other languages
English (en)
French (fr)
Other versions
EP0232359A1 (de
Inventor
Jan Arthur Christensen
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.)
OEHRN, CARL OSCAR
Original Assignee
OEHRN Carl Oscar
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 OEHRN Carl Oscar filed Critical OEHRN Carl Oscar
Priority to AT86904976T priority Critical patent/ATE74088T1/de
Publication of EP0232359A1 publication Critical patent/EP0232359A1/de
Application granted granted Critical
Publication of EP0232359B1 publication Critical patent/EP0232359B1/de
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 
    • B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B15/02—Staying of masts or of other superstructures
    • 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
    • B63B43/08—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability by transfer of solid ballast
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B2015/0016—Masts characterized by mast configuration or construction
    • B63B2015/005—Masts characterized by mast configuration or construction with means for varying mast position or orientation with respect to the hull
    • B63B2015/0058—Masts characterized by mast configuration or construction with means for varying mast position or orientation with respect to the hull comprising active mast inclination means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B2015/0016—Masts characterized by mast configuration or construction
    • B63B2015/005—Masts characterized by mast configuration or construction with means for varying mast position or orientation with respect to the hull
    • B63B2015/0066—Inclinable masts with passive righting means, e.g. counterbalancing means

Definitions

  • the subject invention concerns a sailing boat which is not limited to any particular class and which may be used as a leisure craft as well as a race boat.
  • Conventional sailing boats operate on the principle that the effects of the wind acting on the sails of the boat are balanced by the force and the moment which are generated by the keel of the boat when the keel cuts down into the water.
  • the resistance of the water and the weight of the keel are used to generate said force and said moment.
  • the speed of conventional sailing boats is determined by several different factors. The most important one is the area of the sails and the configuration of the keel and of the hull. To enable the use of large sail areas the prior-art technique proposes various keel shapes to generate a force and a moment to balance the load of the wind on the sails.
  • One example of a sailing boat designed on this principle is the successful Australia II, winner of America's Cup.
  • large keels suffer from the drawback that they have a drag effect on the boat, slowing it down and thus to some extent counteracting the gains of speed obtained by the increase of the sail area.
  • the sailing boat in accordance with the invention has at least one pivotally mounted mast, that is equipped with a regulating system including piston-and-cylinder units which regulating system is arranged to automatically maintain the mast in a vertical neutral position while subjecting it to a predetermined biasing force, to generate a balancing moment about the centre of movement of the boat without any other supply of energy than the wind power for the purpose of counteracting the moment generated by the load of the wind on the sails of the boat, and it is characterized in that the balancing moment is generated as a result of displacement of one or several balancing members which are arranged for movement transversely across the hull of the sailing boat and inside said hull and that said piston-and-cylinder units are connected to a means which is arranged to control the position of the balancing members such that the hull remains in a substantially horizontal position without necessitating the use of any pivoted keel.
  • a regulating system including piston-and-cylinder units which regulating system is arranged to automatically maintain the mast in a vertical
  • Figs. 1 and 2 show schematically the manner of operation of the sailing boat 10 in accordance with the invention.
  • the boat comprises a mast 12 which is pivotally mounted on a shaft 14 so as to be able to tilt in the transverse direction across the sailing boat 10.
  • the mast In the initial or neutral position shown in Fig. 1 the mast is maintained in the vertical position by means of two or several guy wires or cables 16 which are secured to the piston rods 20 of hydraulically operated piston-and-cylinder units 18, one on either side of the boat.
  • the piston-and-cylinder units 18 preferably are single-acting and arranged to exert a predetermined biasing force on the wires 16.
  • the piston-and-cylinder units 18 are part of a hydraulic system which also includes a double-acting hydraulically operated piston-and-cylinder unit 22 which communicates with the piston-and-cylinder units 18 through lines 24 and two expansion tanks 26.
  • a set of weights 30 are arranged so as to be shiftable in the transverse direction across the hull 28 of the sailing boat 10.
  • the weights 30 are arranged in any practically suitable manner, for instance so as to be displaceable inside a channel provided in the hull of the boat.
  • the weights 30 serve as balancing members and stabilize the sailing boat 10.
  • the sailing boat in accordance with the invention functions in the following manner.
  • the mast 12 tilts in the manner illustrated in Fig. 2.
  • One of the wires 16 (the left one in accordance with Fig. 2) is paid out and hydraulic fluid then flows from the associated hydraulic piston-and-cylinder unit 18 to the double-acting hydraulic piston-and-cylinder unit 22, the piston rod 32 of which is displaced from its central position or position of equilibrium with a force which corresponds to the load of the wind on the sails.
  • Hydraulic fluid flows into the opposite piston-and-cylinder unit 18 and the wire 16 on this side is paid in, with the result that the wire 16 is at all times kept in a taught condition.
  • the amount of paying-in of one wire slightly exceeds the amount of paying-out of the other wire.
  • the movement of the piston rod 32 is utilized to displace the weights 30 to a position in which the weights will generate a moment about the centre of movement of the boat sufficient to balance the load of the wind on the sails and to keep the hull 28 of the sailing boat 10 horizontal.
  • the load is transferred from the piston rod 32 to the weights by means of a mechanical and/or hydraulic system (not shown in the drawings).
  • the system may be designed in such a manner that the piston rod 32 is in the form a gear rack with which engages a cog wheel.
  • the cog wheel is connected to a second cog wheel or several gears or the like to drive an endless chain which is connected to the train of weights 30.
  • the power transmission between the cog wheel and the gears could be mechanical or hydraulic and the gear ratio should be suitably dimensioned.
  • hydraulic power transmission is used between the cog wheel and the gear the designer has a comparatively large freedom of choice as regards the positions of the hydraulic piston-and-cylinder unit 22 and the expansion tank 26 in the hull 28. It may be advantageous to position these items "out of the way", for instance in the aft part of the boat 10.
  • a couple of springs 34 are provided in order to dampen un desirable and sudden movements of the weights 30.
  • the springs 34 are hooked onto the weights 30 in the position of equilibrium of the latter and are designed to extend when the weights 30 move.
  • the expansion tanks 26 dampen sudden movements in the hydraulic system, which movements may arise as a result of e.g. sudden wind shifts or gusts of wind and absorb slackness, if any, in the wires.
  • the hydraulic system of the sailing boat 10 Owing to the movements of the weights 30 transversely across the hull 28 the hydraulic system of the sailing boat 10 generates a moment which balances the moment which is generated by the wind acting on the sails of the boat 10.
  • the hull 28 will be horizontally positioned in the water, irrespective of the magnitude of the wind-force load on the sails.
  • the configuration of the hull 28 without a large keel of the conventional type results in a sailing boat 10 which is less deep-drawing than are conventional sailing boats and as a result thereof it is also faster. Its navigability is increased which lessens the risk of grounding during disembarkment alongside jetties and the like.
  • the sailing boat 10 in accordance with the invention is more stable than conventional sailing boats since the hull is at all times maintained in a horizontal position in the water and the force of the wind is balanced by the displacement of the weights 30.
  • By choosing the mass of the weights in relation to the weight of the boat it becomes possible to increase the area of the sails considerably compared with conventional sailing boats.
  • With a weight of the elements 30 equalling that of a corresponding keel and with equal displacement tests have shown that it is possible to increase the sail area by 35% or more. This possibility, too, attributes to the increased speed of the sailing boat 10 in accordance with the invention compared with that of conventional sailing boats.
  • the hull 28 tends at all times to assume a horizontal position in the water, which facilitates all movements and displacements onboard.
  • the sailing boat 10 increases the safety of the crew, since the hull 28 has no tendency to keel over. Consequently, the onboard comfort is increased.
  • the rudder of the ship (not shown) always assumes a vertical position and thus its function is always optimum. Rudders on conventional sailing boats assume angular position during sailing with resulting impairment of their steering function.
  • the hull 28 may be designed with the primary view to further the speed of the boat, as the latter will not lean over during sailing.
  • the comparatively flat hull and the consequential small deep-drawing also facilitate propulsion of the boat by motor.
  • the plane hull of the boat contributes to making it more suitable for high speeds than conventional sailing boats which have a comparatively large keel.
  • the hull 28 will not either have any tendencies of cutting down into the water.
  • Some quantities, such as the mass of the weight 30, the biasing force on the guy wires 16, are chosen in consideration of the qualities that are desired in the boat.
  • the stiffness of the mast 12, for instance, may be chosen for adapation to the winds and drift conditions.
  • a spring 38 may be provided to act on the piston-and-cylinder unit 22 to control the operation of the hydraulic system and the system inertia.
  • Fig. 3 shows the differences in behaviour between a conventional sailing boat 40 and the sailing boat in accordance with the invention when exposed to the effects from comparatively hard winds.
  • the mast 12 of the boat 10 in accordance with the invention assumes the same angle as does the mast 42 of the sailing boat 40.
  • the sailing boat 10 has a sail area which by 35% exceeds that of an otherwise comparable, conventional sailing boat 40.
  • Thehull of the sailing boat 40 heels over heavily whereas the hull 28 of the sailing boat 10 is horizontal.
  • Fig. 4 shows a sailing boat 40 that has capsized.
  • the mast 42 of the boat 40 is in a horizontal position and its keel 44 has emerged above the waterlevel.
  • Fig. 5 illustrates the sailing boat 10 in accordance with the invention with its mast 12 in a horizontal position.
  • the boat 10 is not overturned and the weights 30 are in a position in which they tend to turn the hull 28 of the boat 10 back to the horizontal position.
  • the sailing boat 10 in accordance with the invention thus is capsize-proof.
  • the moment exerted by the weights 30 will turn the hull of the boat 10 to the horizontal position illustrated in Fig. 6. Contrary to what is the case in conventional sailing boats it is not necessary to reef the sails first.
  • a smaller keel or a centreboard may be provided, if desired.
  • the centreboard may be adjustable vertically for optimum adaptation to the existing conditions.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Wind Motors (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Toys (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Catalysts (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Push-Button Switches (AREA)

Claims (4)

  1. Segelboot mit mindestens einem drehbar montierten Mast (12) mit einem Kolben-Zylinder-Einheiten (18, 20) enthaltenden Regulierungssystem (18, 20, 22, 24, 26, 30), das den Mast (12) automatisch in einer vertikalen und neutralen Lage hält, indem es ihn einer vorgegebenen Querkraft zur Erzeugung eines Balanzmoments beim Bewegungszentrum des Segelbootes aussetzt, wobei die Kraft des Windes die einzige Energiequelle darstellt, um dem von der Krafteinwirkung des Windes auf die Segel des Bootes erzeugten Moment entgegenzuwirken, dadurch gekennzeichnet, dass sich das Balanzmoment aus der Verlagerung eines oder mehrerer Balanzteile (30, 36) ergibt, die so angeordnet sind, dass sie sich quer über und innerhalb des Rumpfes (28) des Segelboots (10) bewegen und dass die besagten Kolben-Zylinder-Einheiten mit einem Hilfsmittel (22) verbunden sind, welches so angeordnet ist, dass es die Lage der Balanzteile (30, 36) derart kontrolliert, dass der Rumpf (28) in einer im wesentlichen horizontalen Lage bleibt, ohne dass ein drehbar gelagerter Kiel verwendet werden muss.
  2. Segelboot nach Anspruch 1, dadurch gekennzeichnet, dass eine Kolben-Zylinder-Einheit mit Doppelwirkung zur Kontrolle der Lage der Balanzteile (30, 36) vorgesehen ist.
  3. Segelboot nach Ansproch 2, dadurch gekennzeichnet, dass es sich bei den Kolben-Zylinder-Einheiten (18, 22) um hydraulisch arbeitende Hilfsmittel handelt.
  4. Segelboot nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Balanzteile aus mindestens einem Satz Gewichten (30) bestehen.
EP86904976A 1985-08-09 1986-08-05 Segelboot Expired - Lifetime EP0232359B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86904976T ATE74088T1 (de) 1985-08-09 1986-08-05 Segelboot.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8503754A SE456237B (sv) 1985-08-09 1985-08-09 Segelbat med svengbar mast
SE8503754 1985-08-09

Publications (2)

Publication Number Publication Date
EP0232359A1 EP0232359A1 (de) 1987-08-19
EP0232359B1 true EP0232359B1 (de) 1992-03-25

Family

ID=20361063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86904976A Expired - Lifetime EP0232359B1 (de) 1985-08-09 1986-08-05 Segelboot

Country Status (9)

Country Link
EP (1) EP0232359B1 (de)
JP (1) JPS63500446A (de)
AT (1) ATE74088T1 (de)
AU (1) AU587857B2 (de)
DE (1) DE3684590D1 (de)
DK (1) DK165971C (de)
NO (1) NO168348C (de)
SE (1) SE456237B (de)
WO (1) WO1987000812A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1217147B (it) * 1987-03-27 1990-03-14 Barberis Michele Dispositivo atto ad evitare il ribaltamento di catamarani
NO170400C (no) * 1990-06-15 1992-10-14 Sailmatic As Avbalanseringssystem for seilbaat
FR2689482B1 (fr) * 1992-04-02 1998-09-18 Despointes Hubert Huyghues Bateau a voile dote d'un nouveau systeme de propulsion.
SE502233C2 (sv) * 1992-12-22 1995-09-18 Christensen J A Kontrollenhet
FR2714017B1 (fr) * 1993-12-16 1998-06-05 Yvon Ludger Mat orientable.
AUPM453994A0 (en) * 1994-03-18 1994-04-14 Everett, Peter Kenneth Non-heeling monohull yacht
US5570651A (en) * 1995-01-11 1996-11-05 Schiff; Peter Sailing vessel with adjustable mast
WO1997000804A1 (en) * 1995-06-21 1997-01-09 Pietro Immordino Balancing system for sailing boats
US5947045A (en) * 1995-06-21 1999-09-07 Pietro; Immordino Balancing system for sailing boats
FR2749270B1 (fr) * 1996-05-28 1998-06-26 Bosle Andre Francois Jean Pier Systeme de fixation de mat de bateaux anti-cassage a inclinaison modulable
FR2763911B1 (fr) * 1997-05-28 1999-06-11 Andre Francois Jean Pier Bosle Dispositif de fixation des mats de bateaux a inclinaison modulable anti-cassages anti-retournements et insubmersibilite
ITMI20010237A1 (it) * 2001-02-07 2002-08-07 Agostino Ferrari Deriva a vela con scafo a rollio ridotto
ITPI20090048A1 (it) * 2009-04-24 2010-10-25 Giovanni Corbinelli Barca a vela a portanza variabile
GB201103266D0 (en) 2011-02-25 2011-04-13 Sail Line Fish Ltd Improvemnets relating to masts
CN107458582B (zh) * 2017-07-04 2020-12-25 王金海 舰船、飞行器用自动平衡推进器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695586A (en) * 1948-11-02 1954-11-30 Pollopas Patents Ltd Marine craft stabilizing equipment
US3721988A (en) * 1971-08-16 1973-03-20 Singer Co Leaky wave guide planar array antenna
US3903827A (en) * 1974-07-15 1975-09-09 Paul M Marcil Non-heeling hull assembly
JPS522994A (en) * 1975-06-24 1977-01-11 Sanyo Fudousan:Kk Yacht
GB1567980A (en) * 1976-04-01 1980-05-21 Kelly B Sailing vessels
AU502986B2 (en) 1976-04-01 1979-08-16 B A Kelly Improvement in and relating to sailing vessels
FR2540457A1 (fr) * 1983-02-03 1984-08-10 Maire Robert Dispositif de compensation de la derive par amortisseurs lateraux d'un mat pivotant
FR2552391A1 (fr) * 1983-09-28 1985-03-29 Julian Yvon Coque avec moyens de lestage mobiles, pour bateau a voile
FR2563178A1 (fr) * 1984-04-19 1985-10-25 Lallement Luc Greement souple
US4867089A (en) * 1987-03-26 1989-09-19 Erich Haigis Structural system for inclining sailboat masts to windward

Also Published As

Publication number Publication date
DK110587D0 (da) 1987-03-03
SE8503754L (sv) 1987-02-10
AU6224486A (en) 1987-03-05
EP0232359A1 (de) 1987-08-19
NO168348B (no) 1991-11-04
DK165971C (da) 1993-07-05
NO870939L (no) 1987-03-06
DK110587A (da) 1987-04-01
DK165971B (da) 1993-02-22
NO168348C (no) 1992-02-12
WO1987000812A1 (en) 1987-02-12
SE8503754D0 (sv) 1985-08-09
DE3684590D1 (de) 1992-04-30
NO870939D0 (no) 1987-03-06
AU587857B2 (en) 1989-08-31
SE456237B (sv) 1988-09-19
JPS63500446A (ja) 1988-02-18
ATE74088T1 (de) 1992-04-15

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