WO2022047509A1 - Véhicule aquatique présentant des surfaces portantes - Google Patents

Véhicule aquatique présentant des surfaces portantes Download PDF

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Publication number
WO2022047509A1
WO2022047509A1 PCT/AT2021/060084 AT2021060084W WO2022047509A1 WO 2022047509 A1 WO2022047509 A1 WO 2022047509A1 AT 2021060084 W AT2021060084 W AT 2021060084W WO 2022047509 A1 WO2022047509 A1 WO 2022047509A1
Authority
WO
WIPO (PCT)
Prior art keywords
watercraft
auxiliary
mast
rudder
hydrofoils
Prior art date
Application number
PCT/AT2021/060084
Other languages
German (de)
English (en)
Inventor
Bernhard HABERFELLNER
Original Assignee
Haberfellner Bernhard
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 Haberfellner Bernhard filed Critical Haberfellner Bernhard
Publication of WO2022047509A1 publication Critical patent/WO2022047509A1/fr

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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 
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B39/062—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils being mounted on outriggers or the like, e.g. antidrift hydrofoils for sail boats
    • 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
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/24—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/063—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils comprising flexible portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • B63B2039/068—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water the foils having a variable cross section, e.g. a variable camber

Definitions

  • hydrofoils watercraft with hydrofoils
  • the heeling is a phenomenon that typically occurs when sailing and refers to a rolling of the boat hull with respect to its longitudinal axis, which brings the boat into an inclined position. Possible causes for this are the pressure exerted by the wind on the sail perpendicular to the direction of travel of the vehicle or a heavy sea.
  • the inventors have made it their task to enable a corresponding stabilization for small, especially for inflatable and thus easily transportable watercraft with simple constructive means.
  • a watercraft which comprises: at least one floating body, and a first and a second hydrofoil with an elastic surface membrane with variable geometric shape, which are arranged on the port and starboard sides.
  • a watercraft which comprises: two floating bodies arranged side by side, a first and a second auxiliary floating body, which are arranged on the port and starboard side, and a third auxiliary floating body, which is arranged bowwardly.
  • the floating bodies and the auxiliary floating bodies are coupled with connecting rods which are connected to one another at a central fixing point.
  • FIGS. la-lf show a perspective view (Figure la), a top view (Figure Id), a front view (Figure le) and a side view (Figure If) of a first embodiment of a watercraft, which is designed as a rowing boat.
  • Figures 1b and 1c show detailed views of Figure la.
  • Figure 2 shows a perspective view of two floats that can be used for a watercraft according to FIG.
  • FIG. 3 shows a schematic representation of the rudder reversing system of the watercraft according to the first embodiment.
  • Figures 4a and 4b show a perspective view (Figure 4a) and a top view ( Figure 4b) of a second embodiment of a watercraft, which is designed as a sailing boat.
  • Figures 5a and 5b show a perspective view (Figure 5a) and a side profile (Figure 5b) of a hydrofoil of the watercraft according to the second embodiment.
  • the airfoil of FIG. 5b is shown in a cambered state.
  • Figures 6a-6c show schematic representations of different pulley systems for the watercraft according to the second embodiment.
  • Figure 7 shows a side view of the mast of the watercraft according to the second embodiment.
  • Figures la-lf show different views of a watercraft 100 according to a first embodiment, including a perspective view (Figure la), a top view (Figure Id), a front view (Figure le) and a side view (Figure If) of the watercraft 10.
  • Figures 1b and 1c show detailed views of Figure la.
  • the figures la-lf show a modular, multi-hull watercraft 100 that can be used as a rowing boat or pedal boat.
  • the water sports device 100 has first and second buoys 101, 102 forming the hulls of the watercraft 100, and first, second and third auxiliary buoys or outriggers 103, 104, 105.
  • the floating bodies 101, 102 are of identical design and extend along their longitudinal axis, essentially having the shape of a kayak. As can be seen from FIGS. 1a and 1d, the floating bodies 101, 102 are arranged next to one another, with the first floating body 101 being arranged on the port side and the second floating body 102 being arranged on the starboard side.
  • FIG. 2 shows a perspective view of two floating bodies 101, so-called “Waterwalkers", which can be used for the watercraft 100.
  • the floats 101 are hollow and inflatable, making them lightweight and easy to transport.
  • a non-slip mat is arranged on an upper side 162 of the floats, on which a driver can stand. The mat can cover an attachment point for a telescopic rod for connection to other vehicle parts and a valve for inflating the float.
  • each floating body 101 has a foot strap 161 for one foot of the driver on its upper side 162, the size of which can be adjusted by means of a Velcro fastener (not shown). Such foot straps are known from windsurfing boards.
  • the floating bodies in FIG. 2 already form a functioning watercraft for a standing user, who can typically move with a paddle.
  • the floats can also form the basis for the modular watercraft 100 of Figures 1a-1f.
  • the auxiliary floating bodies 103, 104, 105 are hollow and inflatable. On one surface of the lateral auxiliary floats 103, 104 a pulley system 170 of a rowing device can be attached, while on a lower surface, the so-called keel, a hydrofoil or hydrofoil can be attached, as in relation to the second embodiment of Figures 4a-4b below is explained.
  • the third auxiliary floating body 105 which is shown in the detailed view of Figure 1b, is arranged bowward and larger than the lateral auxiliary floating body 103, 104 is formed.
  • the outriggers 103, 104, 105 are mainly used to stabilize the watercraft 100.
  • the floating body 101, 102 and the auxiliary floating body 103, 104, 105 are arranged symmetrically with respect to a longitudinal axis L of the watercraft 100, as can be seen from the figure Id.
  • the watercraft can have only one floating body or more than two floating bodies.
  • the watercraft may not have a bowward auxiliary buoyancy aid or, conversely, may have several additional auxiliary buoyancy aids.
  • the number of floating bodies and auxiliary floating bodies can thus be selected arbitrarily depending on the desired use, with only a suitable connection of the floating bodies and auxiliary floating bodies having to be selected.
  • This modular configuration enables the vehicle to be assembled easily and flexibly.
  • the floats 101, 102 and the auxiliary floats 103, 104, 105 are coupled with connecting rods 151-155 which are connected to one another at a central fixing point 111.
  • the connecting rods 151-155 are designed as telescopic rods.
  • the connecting rods 151-155 are curved.
  • the connecting rods 152, 153 leading to the floats 101, 102 can be formed as a one-piece curved rod.
  • the connecting rods 151, 155 leading to the side auxiliary floats 103, 104 can also be formed as a one-piece curved rod.
  • the watercraft 100 also includes a seat 110 in which the user can sit.
  • the seat 110 is attached to the central fixing point 111 and can be slid fore and aft.
  • the seat 110 is positioned immediately above the connecting rods 151-155. Both a backrest and a seat surface of the seat 110 can be tiltable.
  • the bowward telescopic rod 155, to which the seat 110 is attached it can be over a not shown slot-shaped opening, which contains a ball bearing system, simply move it back and forth or move it back and forth when rowing.
  • the watercraft 100 further includes a net or trampoline 140, which is attached to the two lateral telescopic rods 152, 154, which lead to the floating bodies 101, 102, and to the telescopic rod 153 at the bow and is shown in Figures Id and le .
  • the trampoline 140 serves both as a transport surface and for stabilization. In addition, it can also be used like a ski box, so that the water sports device 100 can be transported on a car roof.
  • the watercraft 100 also includes three fins 131, 132, 133 for controlling the direction of travel, which are arranged on the keel of the bowward auxiliary float 105, the port side float 101, and the starboard side float 102, respectively. As shown in FIG Water surface is arranged and is connected via an upper connection area with the underside of the respective floating body.
  • the control fins 131, 132, 133 each comprise a flat sheet 1302 which is arranged horizontally, namely parallel to the water surface and transversely to the sheet 1301, which is arranged laterally and contributes to the stabilization of the watercraft.
  • the control fins 131, 132, 133 are arranged in a triangular configuration, whereby the travel angle can be controlled particularly precisely.
  • Pedals 112 which are arranged on the forward telescopic rod 153 and can be actuated with the feet of the user sitting in the seat 110, move the control fins 131, 132, 133 simultaneously via a pulley system (not shown) or along a path running transversely to the water surface axis rotated.
  • the pedals 112 are shown for example in Figures le and If. By alternately stepping on the pedals 112, the watercraft 100 can also be used as a pedal boat.
  • Other configurations of the control fins are also conceivable, in particular if the watercraft has additional floating bodies or auxiliary floating bodies.
  • the watercraft 100 is designed as a rowing boat and includes a rowing system for rowing in the direction of view, which is fastened to the respective auxiliary floating body 103, 104 on the port and starboard sides.
  • a rowing system for rowing in the direction of view, which is fastened to the respective auxiliary floating body 103, 104 on the port and starboard sides.
  • the rudder system has a pivotable rudder blade 123 on the port and starboard sides, which can be actuated by the driver sitting in the seat 110 via a two-part rudder 121, 122, the rudder blades 123 being operable independently of one another.
  • the split rudder comprises a first part 121, which extends from the seat 110 to the auxiliary buoyancy body 103, 104, and a second part 122, which connects the auxiliary buoyancy body 103, 14 to the rudder blade 123, with the two parts of the rudder being connected via an auxiliary buoyancy body 103, 104 arranged pulley system 170 are coupled to each other, which is shown in Figure 1c.
  • the first part 121 and the second part 122 of the rudder can have a different length. In the illustrated embodiment, the first portion 121 is longer than the second portion 122 . The different lengths of the two parts 121, 122 result in an optimal leverage effect.
  • Both parts 121, 122 are attached to the telescopic rod 151, 155 of the auxiliary floating body 103, 104 and to a shell of the pulley system 170 by a boom system that is not shown in detail.
  • the rudder blade 123 is set at an oblique angle to the water surface. As a result, it lurches over the water surface during a swinging movement when it stands upright due to the force of the rowing.
  • the pulley system 170 includes four pulleys 171 around which a rope 172 is guided.
  • the rollers 171 are arranged such that the tensioned rope 172 is substantially V-shaped, with a first leg of the tensioned rope to which the first part 121 of the rudder is coupled longer than a second leg of the tensioned rope to which the second part 122 of the rudder is coupled.
  • the asymmetry of the limbs of the tensioned cable 172 and the asymmetry of the rudder parts 121, 122 enable optimal power development.
  • Other configurations for the pulley system 170 are also conceivable.
  • Figures 4a-4b show a watercraft 200 according to a second embodiment, the watercraft this time is designed as a sailing boat.
  • Figures 4a and 4b show a perspective view ( Figure 4a) and a plan view ( Figure 4b) of watercraft 200.
  • watercraft 200 does not include a rudder system.
  • the sailing boat 200 comprises a mast 290 and two hydrofoils 221, 222 arranged on the lateral auxiliary floating bodies 203, 204.
  • the mast 290 is coupled to the central fixing point 211 to which the telescopic rods 251-255 leading to the floating bodies 201, 202 and the auxiliary floating bodies 203, 204, 205 are also coupled.
  • the mast 290 is hollow and can be extended like a telescope depending on the wind conditions.
  • the mast 290 is coupled to a mainsail 281 which is also coupled to a main boom 291 running transversely to the mast 290 .
  • the boom 291 is also coupled at the fixation point 211 .
  • the boom 291 is designed as a telescopic rod.
  • FIG. 7 shows a side view of the mast 290 of the watercraft 200.
  • the mast 290 has a slit-shaped opening 293 at the rear, from which a sail 281, which is called the mainsail or mainsheet, can be pulled out laterally like an overhead canvas.
  • the mainsail 281 can be rolled up in the main boom 291 and pulled out of a not-shown slot-shaped opening in the main boom 291 according to the principle of an overhead canvas.
  • the mainsail 281 can be made of monofilm, which consists of a thermoplastic elastomer.
  • cranks can be provided for rolling up the mainsail from the main boom and for extending it from the mast.
  • the mast 290 is pivotable fore and aft.
  • the mast 290 can be fastened to a hinge joint 293, as can be seen in the schematic representation of FIG. 6a.
  • the adjustment angle of the mast 290 can be adjusted by a pivot arm or lever fixed at the central fixing point 221 .
  • Aft tilting of the mast 290 results in a luff, namely a course change of the watercraft higher into the wind, and a bowward tilt results in a bear away, viz a change of course of the watercraft away from the wind.
  • Mast 290 is coupled to wings 221, 222 via appropriate pulley systems 300, discussed below.
  • the sailboat 200 bowwardly includes two transparent jibs or headsails 282, which are located on the port and starboard sides, respectively.
  • the jibs 282 are triangular in shape, with a first, forward tip of the jib 282 being connected to a respective flexible antenna 283 coupled to a forward end of the bowward auxiliary buoy 205, and a second, upper tip of the jib 282 to a mast tip or mast top 294 of the mast 290 is attached.
  • a wire 284, also called forestay, runs between the mast tip 294 and an antenna 283, around which the corresponding jib 282 can be rolled up.
  • the forestay 284 is tightened.
  • the angle of the jib 282 can be adjusted by a traveler or trolley, which is moved on the lateral telescopic rod 251 in a slot-shaped opening, not shown in detail.
  • a similar system is also located aft, allowing the 281 mainsheet to be operated.
  • headlights may be mounted on antennas 283 and/or mast top 294 .
  • the auxiliary floating bodies 203, 204 arranged on the port and starboard sides have a hydrofoil or hydrofoil 221, 222 on an underside, also called the keel.
  • a longitudinal axis A of the hydrofoils 221, 222 runs transversely to a longitudinal axis B of the watercraft 200 and the auxiliary floating bodies 203, 204.
  • the hydrofoils 221, 222 are of identical design and are each connected to the mast 290 via a corresponding cable or pulley system 300.
  • FIG 5a shows a perspective view of a hydrofoil 221 of the watercraft 200.
  • the hydrofoil 221 has a typical curved airfoil profile which extends along the longitudinal axis A. The profile is mirror-symmetrical along the longitudinal axis A.
  • the hydrofoil 221 comprises an archable wing, which has a wing structure and a film 226 stretched over the wing structure.
  • the wing structure comprises a multiplicity of flexible slats 221 which are arranged next to one another along the longitudinal axis A and are connected to the foil 226 at their ends.
  • the slats 221 are mechanically adjustable.
  • Foil 226 is an elastic surface membrane with a changeable shape.
  • Each slat 221 is also connected to the foil 226 via a respective rod 225, which is arranged centrally on the slat 221, so that when the slat 221 bends, the foil 226 can curve continuously.
  • each hydrofoil 221, 222 is connected to the mast top 294 via a corresponding rope or pulley system 300.
  • Figures 6a-6c show schematic representations of different pulley systems 300 for the watercraft 200.
  • Figure 6a shows a first example of a pulley system
  • the pulley system 290 comprises a cable 301 which is connected to the mast, preferably to the mast top, and is guided over a large number of pulleys.
  • the joint 293 to which the mast 290 is attached comprises a plurality of guide channels 295 which are arranged, for example, at the stern and bowward.
  • the cable 301 is guided through one of these guide channels 295 up to a double pulley 303.
  • the double pulley 303 comprises two counter-rotating pulleys.
  • the cable 301 is then spliced into various sub-cables 302 which are each connected to a slat of the wing 221 .
  • a similar pulley system is provided for the other hydrofoil 222, with the corresponding cable being routed via a further guide channel 295 of the joint 293.
  • Figure 6b shows a second example of a pulley system with a cable
  • FIG. 6c shows a third example of a pulley system with a different pulley configuration.
  • the cable 301 is alternately windward and leeward in each case tensioned or relaxed via the pulley system.
  • the slats 224 of the corresponding hydrofoil 221 become either taut or loose, as shown in FIG. 6a, which causes the membrane 226 to buckle accordingly. It is thus possible to regulate the curvature of the membrane by pivoting the mast. The forces required for this can be reduced with the pulley system.
  • the other airfoil 222 learns through the corresponding Pulley system the same curvature, with the wings 221, 222 side against the same arch and thus both can counteract the heeling of the boat.
  • the cable 301 connected to the wing 221 is pulled, so that a first part of the sub-cables 302 is tightened, whereby the cables attached to these sub-cables 302 coupled slats 224 are pulled upwards and a corresponding part of the membrane 226 has a convex curvature, while the other part of the sub-cables 302 is loosened, whereby the slats 224 coupled to these sub-cables 302 are relaxed and the other part of the membrane has a concave curvature .
  • Figure 5b shows a side profile of the airfoil 221 in the cambered condition with a concave portion 227 and a convex portion 228.
  • the directions of the pull caused by the cable 301 are indicated with corresponding arrows.
  • the wind direction is also shown with an arrow.
  • the geometric shape of the surface membrane can change in such a way that a hydrodynamically active profile is created, which enables the dynamic buoyancy of the booms to be trimmed, so that they counteract the heeling caused by the change in direction.
  • the convex curvature of the membrane creates a suction effect due to the flow of water generated during the journey, which counteracts the heeling of the boat, always on the windward and leeward side in opposite directions. This change) in the curvature of the membrane improves the principle of the hydrofoil.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne un véhicule aquatique comprenant : au moins un corps flottant ; et une première et une seconde surface portante qui sont dotées d'une membrane de surface élastique présentant une forme géométrique variable et sont agencées à bâbord ou à tribord. Selon un autre exemple de mode de réalisation, un véhicule aquatique est décrit, lequel comprend : deux corps flottants adjacents ; un premier et un second corps flottant auxiliaire qui sont agencés à bâbord ou à tribord ; et un troisième corps flottant auxiliaire qui est agencé à la proue. Le corps flottant et les corps flottants auxiliaires sont couplés au moyen de barres de liaison qui sont reliées entre elles en un point de fixation central.
PCT/AT2021/060084 2020-09-01 2021-03-08 Véhicule aquatique présentant des surfaces portantes WO2022047509A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50739/2020 2020-09-01
ATA50739/2020A AT524489B1 (de) 2020-09-01 2020-09-01 Wasserfahrzeug mit tragflügeln

Publications (1)

Publication Number Publication Date
WO2022047509A1 true WO2022047509A1 (fr) 2022-03-10

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PCT/AT2021/060084 WO2022047509A1 (fr) 2020-09-01 2021-03-08 Véhicule aquatique présentant des surfaces portantes

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114954823A (zh) * 2022-05-12 2022-08-30 鲁东大学 火箭海上发射船舶升沉补偿装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295487A (en) 1965-09-23 1967-01-03 Smith Bernard Hydrofoil sailboat
GB1567395A (en) * 1976-03-19 1980-05-14 Haddock C Hydrofoils for vessels
US4326475A (en) 1979-03-16 1982-04-27 Massachusetts Institute Of Technology Sailboat
US4905622A (en) 1987-05-27 1990-03-06 Silvia Jr Joseph G Marine anti-roll device
US5054410A (en) * 1989-12-27 1991-10-08 Scarborough Greer T Hydrofoil sailboat with control system
US5168824A (en) * 1989-12-20 1992-12-08 Ketterman Greg S Foil suspended watercraft
DE4119430A1 (de) 1991-06-13 1992-12-17 Kunststoffspezialteile Gmbh Kraengungsausgleich fuer wasserfahrzeuge mit segel in den unterschiedlichen klassen
US5367970A (en) * 1993-09-27 1994-11-29 The United States Of America As Represented By The Secretary Of The Navy Controllable camber fin
DE4334496A1 (de) * 1993-10-09 1995-04-13 Triebel Georg Laminarer Strömungskörper zur Steuerung von Wasserfahrzeugen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1304511A (fr) * 1969-01-02 1973-01-24
DE3519279A1 (de) * 1985-05-30 1986-12-04 Heiko Dipl.-Phys. Dr. 8070 Ingolstadt Barske Stroemungsleitkoerper, insbesondere schwert oder ballastkiel an einem segelboot

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295487A (en) 1965-09-23 1967-01-03 Smith Bernard Hydrofoil sailboat
GB1567395A (en) * 1976-03-19 1980-05-14 Haddock C Hydrofoils for vessels
US4326475A (en) 1979-03-16 1982-04-27 Massachusetts Institute Of Technology Sailboat
US4905622A (en) 1987-05-27 1990-03-06 Silvia Jr Joseph G Marine anti-roll device
US5168824A (en) * 1989-12-20 1992-12-08 Ketterman Greg S Foil suspended watercraft
US5054410A (en) * 1989-12-27 1991-10-08 Scarborough Greer T Hydrofoil sailboat with control system
DE4119430A1 (de) 1991-06-13 1992-12-17 Kunststoffspezialteile Gmbh Kraengungsausgleich fuer wasserfahrzeuge mit segel in den unterschiedlichen klassen
US5367970A (en) * 1993-09-27 1994-11-29 The United States Of America As Represented By The Secretary Of The Navy Controllable camber fin
DE4334496A1 (de) * 1993-10-09 1995-04-13 Triebel Georg Laminarer Strömungskörper zur Steuerung von Wasserfahrzeugen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114954823A (zh) * 2022-05-12 2022-08-30 鲁东大学 火箭海上发射船舶升沉补偿装置
CN114954823B (zh) * 2022-05-12 2023-08-22 鲁东大学 火箭海上发射船舶升沉补偿装置

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AT524489A1 (de) 2022-04-15
AT524489B1 (de) 2023-07-15

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