EP4452747A1 - Unité de propulsion vélique, et navire comportant une telle unité - Google Patents
Unité de propulsion vélique, et navire comportant une telle unitéInfo
- Publication number
- EP4452747A1 EP4452747A1 EP22846952.4A EP22846952A EP4452747A1 EP 4452747 A1 EP4452747 A1 EP 4452747A1 EP 22846952 A EP22846952 A EP 22846952A EP 4452747 A1 EP4452747 A1 EP 4452747A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base
- actuator
- region
- main axis
- support element
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
- B63H9/061—Rigid sails; Aerofoil sails
-
- 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
- B63B15/0083—Masts for sailing ships or boats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
- B63H9/061—Rigid sails; Aerofoil sails
- B63H9/0621—Rigid sails comprising one or more pivotally supported panels
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B2035/009—Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
- Y02T70/5236—Renewable or hybrid-electric solutions
Definitions
- the present invention generally relates to the sail propulsion of ships, in particular propulsion assistance for merchant ships.
- WO2018087649A1 and W020201 15717A1 know in particular a sailing propulsion unit which comprises a double wing mounted on a structure controlled angularly around a generally vertical axis depending on the conditions, the double wing comprising a front flap and a rear flap , a front mast and a rear mast connected by an element forming a terminal and by an element forming a horn, the front flap being crossed by the front mast while being able to rotate about an axis defined by the latter, and the rear flap being crossed by the rear mast, being able to rotate around an axis defined by the latter.
- the structure is able to rotate on an axis of rotation coincident with the axis of rotation of the front mast.
- Rotor sail propulsion units are also known (for example of the Flettner rotor or suction rotor type), which are beginning to be fitted to merchant navy vessels.
- WO2018039705A1 describes such a solution, and more particularly a vessel comprising a sailing propulsion unit elongated in a generally vertical direction in the position of use and comprising one or more propulsion elements and a mast, and further comprising in association with the sail propulsion unit a tilting device comprising a base secured to a proximal region of the mast and mounted for rotation about a generally horizontal main axis on a support element fixed to a deck of the ship, a tilting control device capable of causing rotation of the base relative to the support element.
- the present invention aims to propose a solution which makes it possible, in a simple, economical and reliable manner, to reduce the bulk or the exposure of a sailing propulsion unit of the rigid wing type or of another type, while giving the the propulsion unit a good robustness in erected position of use.
- a ship comprising at least one sailing propulsion unit elongated in a generally vertical direction in the position of use and comprising one or more propulsion elements and a mast, characterized in that it comprises in association with at least one sailing propulsion unit a tilting device comprising a base secured to a proximal region of the mast and mounted for rotation about a generally horizontal main axis on a support element fixed to a deck of the ship, a tilting control device capable of causing a rotation of the base relative to the support element and comprising at least a first actuator capable of generating a linear force in a generally horizontal direction and a return element connecting said actuator to the base to operate on the base a force in a first region of the base located at a distance from said main axis, and a device for locking the base on the support element comprising at least one second actuator able to exert, in a second region of the remote base of the first region in a direction transverse to said main axis, a retaining force in the vertical direction, said sail
- the or each first actuator is oriented generally horizontally and is connected to said first region by a respective connecting rod articulated on a movable part of the actuator and on said first region of the base along two axes generally parallel to the main axis ( AT).
- the ship comprises two first actuators and two return elements connected to the base at the level of two first regions generally aligned in a direction parallel to the main axis.
- the rotational mounting of the base on the support element comprises on the one hand a rotation shaft whose axis coincides with said main axis, and on the other hand at least one arcuate groove whose center is located on said main axis, cooperating with a finger capable of moving in said groove during rotation.
- the or each second actuator comprises a cylinder fixed integrally to the support element and of which a moving part carries a locking pin.
- the or each locking finger is capable of cooperating with an extending part of the base constituting the second region.
- the or each second actuator is capable of generating a linear force in a generally horizontal direction.
- a sailing propulsion unit for a ship comprising said unit being elongated and capable of adopting an erected orientation, and comprising one or more propulsion elements and a mast, characterized in that a proximal region of the mast is integral with a base mounted for rotation about a generally horizontal main axis on a support element intended to be fixed to a deck of the ship, a tilting control device capable of causing the base to rotate relative to the support element, comprising at least a first actuator capable of generating a linear force in a generally horizontal direction and a return element connecting said actuator to the base to operate on the base a force in a first region of the base located at a distance from said main axis , and a device for locking the base on the support element comprising at least one second actuator capable of exerting, in a second region of the base remote from the first region in a direction transverse to said main axis, a retaining force in the vertical direction, said sailing propulsion unit when it is installed on a
- a third aspect provides a tilt mounting assembly for an elongated sail propulsion unit intended to adopt an erected orientation and comprising one or more propulsion elements and a mast, characterized in that it comprises a base configured to receive a proximal region of the mast and mounted for rotation around a generally horizontal main axis on a support element intended to be fixed to a deck of a ship, a tilting control device able to cause the base to rotate with respect to the support element, comprising at least a first actuator able to generate a linear force in a general horizontal direction when the assembly is in place and a return element connecting the said actuator to the base to operate on the base a force in a first region of the base located at a distance from said main axis, and a device for locking the base on the support element comprising at least one second actuator able to exert, in a second region of the base remote from the first region in a direction transverse to said main axis, a retaining force in the vertical direction when the assembly is in place.
- FIG. 1 is an overall perspective view of a ship equipped with a series of mast-wing type sail thrusters
- FIG. 2 is an overall perspective view of the foot region of a sail thruster in the erect position
- FIG. 3 is a perspective view of the foot region of a sail thruster in the lowered position
- FIG. 4 is a partial view of the foot region, in the same position as that of Figure 3,
- FIG. 5 is a side elevational view of the foot region of the sail propeller in an erect position
- FIG. 6 is a perspective view with vanishing point and cut away, of the foot region of the sail thruster in the erect position.
- each thruster In its erected position, each thruster is used to assist the progress of the ship, by adjusting the orientation of the flaps appropriately.
- each sail thruster In its lowered position, each sail thruster typically extends parallel to the upper deck of the ship, in the longitudinal direction, or even transversely or obliquely, so as in particular not to obstruct loading/unloading maneuvers in the case of a merchant ship and/or maritime navigation maneuvers in the case of passage under a bridge.
- Figure 1 illustrates a ship N, for example of the tanker or bulk carrier type, on the deck P of which six tilting sail thrusters 100 according to the invention are mounted, in two rows of three thrusters.
- Each thruster here comprises two flaps 111, 112, the front flap being crossed by a main mast 121 and the rear flap being crossed by a secondary mast 122, the two masts being connected at the bottom and at the top by an element forming a terminal 130 and by a horn member 140.
- the main mast 121 overflows below the element 130 and forms the main support of the wing mast.
- the wing mast can be made for example in accordance with the teachings of patent applications WO2018087649A1 and WO2020115717A1.
- the main mast 121 has at its base a tilting device comprising a rotation mechanism 200 and a locking mechanism 300.
- the rotation mechanism 200 comprises a base or mast foot 210 on which the base of the main mast 121 is rigidly fixed.
- This base 210 is formed by a main body 211 having in an upper face 212 a blind opening 212a for the embedding of the base of the mast 121.
- the underside 213 of the body 211 is generally planar and forms a bearing surface on a homologous region of the ship's deck when the sail thruster is in the erect position.
- the structure of the body may be solid or formed of assembled elements, for example welded metal elements comprising mainly two lateral framework elements rigidly connected together by transverse framework elements, as illustrated, the lower face of the body then being constituted totally or partially by the lower faces of the side frame elements.
- the body 211 here comprises two lateral frame parts 214, in each of which are formed on the one hand a through hole 214a for a cylindrical shaft (not shown) defining an axis of rotation main horizontal A of the base 210, and on the other hand a groove 214b in an arc of a circle centered on the axis A.
- the base also comprises, in this case at the level of the parts 214, two projecting extensions 215 extending generally horizontally in a direction perpendicular to the axis A, along the lower bearing surface 213 of the body, each extension having an inclined or bevelled upper surface 215a such that its height decreases from its root towards its free end, said free end being rounded.
- the body 211 On the side of the base 210 opposite the extensions 215, the body 211 has in the vicinity of its lower face one or more orifices 218 defining together an axis B parallel to the axis A, a secondary shaft, not shown, making it possible to connect to the body 211 two connecting rods 216 (connected respectively to the side frame elements of the body) by allowing them to pivot around said axis B.
- these rods 216 are connected in an articulated manner around an axis C parallel to the axes A and B, to two hydraulic cylinders 217.
- Each cylinder 217 comprises a cylinder rod 217a carrying a head 217b by which the cylinder is articulated to a respective rod along the axis C, and a cylinder body 217c whose end opposite to the rod 217a is articulated, along an axis D parallel to the axes A, B and C, to a fixed support frame 220 rigidly secured by any suitable means, such as welding or bolting, to the deck of the ship.
- This support frame 220 essentially comprises a framework 221 with in particular two reinforced side walls 222, a first upper wall 223 located on the side of the link/cylinder assemblies 216, 217 and a second upper wall 224 located above the mechanism of lock 300.
- the two side walls 222 of the frame support 220 respectively comprise a finger pointing inwards and engaged in the respective arcuate groove 214b.
- the support frame 220 also includes means for the linear guidance of the movement of the actuator head 217b, not shown.
- the combination of a main shaft arranged along axis A and the two sets of a finger and a groove in an arc of a circle makes it possible to produce a particularly robust pivot with limited bulk.
- the circular grooves 214b also make it possible to constitute angular end-of-travel stops for the movement of the mast towards its erected position and, where appropriate, towards its lowered position.
- the base 210 and the support frame 220 are dimensioned so as to ensure the transfer of forces, namely on the one hand the forces caused by the lifting and lowering operations of the sail thruster as will be described below, and on the other hand, the forces generated by the wind on the propeller during navigation and transferred to the ship.
- the locking mechanism 300 here comprises two hydraulic cylinders 310 oriented horizontally and generally parallel to the cylinders 217, and therefore transversely to the axes A, B, C and D.
- Each actuator 310 comprises an actuator body 310c rigidly mounted on the support frame 220, outside of the latter, and an actuator rod 310a which carries at its free end a locking finger 320 having a generally horizontal upper face 321 and a beveled lower face 322, so that the thickness of the finger decreases in the direction of the base 210.
- Each finger 320 is intended to cooperate with a respective extension 215 of the base in the erected position of the sail thruster, its bevelled lower surface 322 coming to rest on the upper surface bevel 215a of the respective extension so as to exert during actuation of the cylinder a force whose downward component tends to stabilize the base 210 against the frame 220 in this erected position.
- the device of the present invention operates as follows.
- the sail thruster being lowered and resting on the deck of the ship (position of Figures 3 and 4), the two cylinders 217 are actuated in thrust so as to exert on the base 210, via the rods 216 a moment around the axis Who will cause the progressive lifting of the propellant.
- the cylinders 310 of the locking device 300 are in the retracted position (fingers 320 to the right in the Figures) so as to allow the base 210 to reach its position of stability, resting against frame 220.
- the cylinders 310 are deployed to move the fingers 320 to the left and allow the latter to lock the base 210 in this position, by pressing on the upper surfaces 215a of its extensions 215, as illustrated in the Figures. 5 and 6.
- the cylinders 217 being blocked on the opposite side in their deployed position, they ensure, via the rods 216, the maintenance of the mast 212 in position on the opposite side in question.
- the device of the present invention has many advantages: - firstly, it has good compactness both in its horizontal and vertical dimensions, taking up space on the deck of the ship to a limited extent and leaving, for a given total height of the sail thruster, an important place for the actual propulsion part;
- the cylinders 217 can have a reasonably short stroke
- the tilting device can be pre-assembled and pre-calibrated before it is mounted on the ship, thus reducing implementation costs and increasing reliability;
- the forces oriented essentially horizontally make it possible to avoid applying significant forces to the bridge, such as vertical forces which may require reinforcement of its structure.
- the orientations of the various axes and the directions of movement of the cylinders may be different from those described, the person skilled in the art understanding that variations are possible.
- the working directions of the cylinders may be oblique.
- the locking mechanism can take any form other than that illustrated, in particular by providing fingers penetrating into the orifices of the base.
- the sail thruster can be any sail thruster such as a Magnus effect rotor, suction rotor, rigid wing, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2114467A FR3131268B1 (fr) | 2021-12-23 | 2021-12-23 | Unité de propulsion vélique, et navire comportant une telle unité |
| PCT/IB2022/062736 WO2023119245A1 (fr) | 2021-12-23 | 2022-12-23 | Unité de propulsion vélique, et navire comportant une telle unité |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4452747A1 true EP4452747A1 (fr) | 2024-10-30 |
Family
ID=82595092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22846952.4A Pending EP4452747A1 (fr) | 2021-12-23 | 2022-12-23 | Unité de propulsion vélique, et navire comportant une telle unité |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US12371137B2 (fr) |
| EP (1) | EP4452747A1 (fr) |
| JP (1) | JP2024544435A (fr) |
| KR (1) | KR20250004615A (fr) |
| CN (1) | CN118804875A (fr) |
| CA (1) | CA3241321A1 (fr) |
| FR (1) | FR3131268B1 (fr) |
| WO (1) | WO2023119245A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202300026844A1 (it) * | 2023-12-15 | 2025-06-15 | Aldo Cichero | Gruppo velico a sezioni rigide abbattibile in rotazione |
| ES3038916A1 (es) * | 2024-04-15 | 2025-10-15 | Bound 4 Blue S L | Sistema de vela abatible |
| ES3038914A1 (es) * | 2024-04-15 | 2025-10-15 | Bound 4 Blue S L | Sistema de vela abatible |
| FR3165238A1 (fr) | 2024-08-02 | 2026-02-06 | Oceanwings | Dispositif de propulsion vélique |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2351269B (en) * | 1999-06-25 | 2003-01-15 | Duncan Res & Dev Ltd | Craft with tilting sail |
| WO2018039705A1 (fr) * | 2016-08-30 | 2018-03-08 | Solar Sailor Pty Ltd | Ensemble de base de mât |
| FR3058386B1 (fr) | 2016-11-08 | 2019-06-28 | Ayro | Navire a propulsion velique. |
| NL1042240B1 (nl) | 2017-01-23 | 2018-07-30 | Econowind B V | Inrichting voor het door windkracht mede aandrijven van een vaartuig |
| PL3409574T3 (pl) * | 2017-06-02 | 2020-11-02 | Anemoi Marine Technologies Limited | Mechanizm podnoszenia/wznoszenia i opuszczania do wirnika flettnera |
| FR3068675B1 (fr) * | 2017-07-04 | 2019-07-26 | Stx France S.A. | Navire equipe d'au moins un mat rabattable |
| JP2019108046A (ja) | 2017-12-19 | 2019-07-04 | 国立研究開発法人産業技術総合研究所 | 空中翼を有する船舶 |
| GB2578085B (en) * | 2018-08-14 | 2022-04-06 | Stephen Smith Darrell | A propulsion system for a boat |
| CN113302125B (zh) | 2018-12-06 | 2024-06-11 | 艾罗公司 | 具有帆推进的船舶 |
-
2021
- 2021-12-23 FR FR2114467A patent/FR3131268B1/fr active Active
-
2022
- 2022-12-23 US US18/722,777 patent/US12371137B2/en active Active
- 2022-12-23 KR KR1020247024782A patent/KR20250004615A/ko active Pending
- 2022-12-23 EP EP22846952.4A patent/EP4452747A1/fr active Pending
- 2022-12-23 JP JP2024537182A patent/JP2024544435A/ja active Pending
- 2022-12-23 CN CN202280084980.0A patent/CN118804875A/zh active Pending
- 2022-12-23 CA CA3241321A patent/CA3241321A1/fr active Pending
- 2022-12-23 WO PCT/IB2022/062736 patent/WO2023119245A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20250050986A1 (en) | 2025-02-13 |
| JP2024544435A (ja) | 2024-12-02 |
| CA3241321A1 (fr) | 2023-06-29 |
| FR3131268B1 (fr) | 2024-01-05 |
| KR20250004615A (ko) | 2025-01-08 |
| US12371137B2 (en) | 2025-07-29 |
| FR3131268A1 (fr) | 2023-06-30 |
| CN118804875A (zh) | 2024-10-18 |
| WO2023119245A1 (fr) | 2023-06-29 |
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