WO2019097056A1 - Equipement de coque - Google Patents
Equipement de coque Download PDFInfo
- Publication number
- WO2019097056A1 WO2019097056A1 PCT/EP2018/081786 EP2018081786W WO2019097056A1 WO 2019097056 A1 WO2019097056 A1 WO 2019097056A1 EP 2018081786 W EP2018081786 W EP 2018081786W WO 2019097056 A1 WO2019097056 A1 WO 2019097056A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- equipment
- magnets
- hull
- vicinity
- shell
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/04—Superstructure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
- B63G13/02—Camouflage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/28—Arrangement of offensive or defensive equipment
- B63G8/34—Camouflage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2231/00—Material used for some parts or elements, or for particular purposes
- B63B2231/30—Magnetic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G13/00—Other offensive or defensive arrangements on vessels; Vessels characterised thereby
- B63G13/02—Camouflage
- B63G2013/027—Camouflage using stealth design, i.e. superstructures, hulls, or other vessel's components shaped or constructed for minimizing reflection of radar or sonar beams, or the like
Definitions
- the present invention relates to a hull equipment adapted to be reversibly attached to an outer surface of a ferromagnetic material structure of a marine or submarine building or system, the equipment comprising at least one surface of own fixing to allow the attachment of the equipment to the structure.
- the invention also relates to a building or a marine or submarine system provided with such equipment.
- Reversible fastening systems also find utility for hull equipment other than coatings, such as sensors and cameras. It can also be mobile devices such as robots, devices or hull inspection machines that use the reversible appearance of the attachment during their movement.
- An object of the invention is to provide a hull equipment, reversibly fixable, whose installation is simple to implement and inexpensive in terms of specific equipment and labor.
- the invention relates to a hull equipment of the aforementioned type, characterized in that the equipment comprises a plurality of permanent magnets arranged in the vicinity of the attachment surface to ensure the attachment of the equipment to the structure.
- the hull equipment according to the invention has one or more of the following characteristics, taken in isolation or in any technically feasible combination:
- the magnets are arranged in a network on the fixing surface, each magnet being adjacent or in the vicinity of at least one nearest neighbor, each magnet having a polarity, the polarity of each magnet being oriented in the opposite direction to the polarity of its at least one closer neighbors;
- the network forms a checkerboard, each magnet being adjacent to between one and four nearest neighbors;
- the equipment comprises a tile of elastomeric material for forming a coating of at least a portion of the shell;
- the magnets are embedded in the tile in the vicinity of the fixing surface, or are flush with the fixing surface;
- the attachment surface comprises an inner region extending away from the edges of the tile and a peripheral region surrounding the inner region and extending in the vicinity of the edges of the tile, the magnets being arranged on at least a portion the peripheral region of the attachment surface, the inner region of the attachment surface being devoid of magnets;
- the tile has at least one chamfered edge adapted to cooperate with an anti-slip rib extending on the outer surface of the shell;
- the equipment comprises at least one wheel, at least one movable foot, or at least one track, the fastening surface extending on a tread of the wheel or the track or under the moving stand, the equipment being able to move along the outer surface of the shell while being kept in contact with the shell by the magnets of the attachment surface; and the equipment comprises a magnetized plate adapted to be arranged in the vicinity of the structure, the fixing surface extending on the magnetized plate, the equipment also comprising at least one wheel, at least one caterpillar or at least one foot; adapted to move the equipment relative to the structure, wheel, crawler or foot being unmagnetized.
- the invention also relates to a marine or submarine building or system provided with a hull equipment as described above, the equipment being reversibly fixed on an outer surface of a structure of the building or system, the surface fastening being disposed in the vicinity of the structure, the attachment of the equipment to the structure being provided by the plurality of magnets.
- FIG. 1 is a side view of a submarine building comprising equipment according to the invention
- FIG. 2 is a perspective view of one of the equipment of FIG. 1;
- FIG. 3 shows a rear view of a detail of the equipment of Figure 2;
- FIG. 4 shows a sectional view of three equipment according to a second embodiment of the invention
- FIG. 5 is a perspective view of an equipment according to a third embodiment of the invention.
- FIG. 6 is a perspective view of an equipment according to a fourth embodiment of the invention.
- the underwater vessel 10 comprises a hull 12 of ferromagnetic material, defining an outer surface 14 and sealingly separating an inner space from an exterior of the underwater vessel. , even under the influence of external pressures.
- a plurality of hull equipment is attached to the outer surface 14 of the hull 12.
- the hull equipment is fixed to the outer surface 14 in a reversible manner, i.e. it is possible to remove them from the hull. the outer surface 14 without damaging them or damaging the shell 12.
- the shell equipment is tiles 16 forming a coating of a part of the shell 12 to modify at least one property of the external surface 14.
- the tiles 16 are made from an elastomeric material having advantageous properties of absorption of acoustic vibrations, and form an anechoic coating of the shell 12.
- the outer surface 14 then has greatly reduced acoustic wave reflection properties, and in particular sonar waves, which increases the stealth of the submarine building 10.
- the tiles 16 have for example a parallelepiped shape, with a rectangular or square base.
- the base is in this case the face of the tile 16 facing the shell 12.
- the tile 16 has an outer side 18 and a fastening surface 20, extending on either side of the tile 16, as well as lateral edges 22.
- the tile 16 has a plurality of permanent magnets 24 for fixing this tile 16 to the shell 12, arranged in the vicinity of the fastening surface 20.
- the magnets 24 are for example embedded in the tile 16, in the vicinity of the surface 20 or are flush with the fastening surface 20.
- the magnets 24 are for example magnets comprising neodymium, for example neodymium / iron / boron, having a rectangular shape or disk.
- the magnets 24 are of small size, each magnet 24 having a relatively small individual adhesion force with respect to the total adhesion force of the set of magnets 24. It is then the multiplicity of the magnets 24 which allows to provide good adhesion of the hull equipment on the hull 12.
- the attachment surface 20 has an internal region 26 extending away from the edges 22, a peripheral region 28 surrounding the internal region 26 and extending in the vicinity of the edges 22, and a central region 30 extending in the middle of the attachment surface 20, surrounded by the inner region 26.
- the magnets 24 are arranged on the peripheral region 28 and the central region 30, the inner region 26 being devoid of magnets 24.
- This arrangement makes it possible to maximize the tearing resistance of the tile 16, the stresses resulting in tearing of the tile 16 being located in the vicinity of the edges 22.
- the magnets 24 are arranged in a network on the attachment surface 24, for example a network forming a checkerboard. Each magnet 24 is thus adjacent to at least one nearest neighbor, for example to between one and four nearest neighbors in the case of a checkerboard network.
- Adjacent means that the magnets 24 are in contact by a respective lateral edge, or that their respective adjacent lateral edges are in the vicinity of each other.
- each magnet 24 has a polarity oriented in a direction substantially orthogonal to the fixing surface 20.
- Each of the nearest neighbors of the magnet 24 has a polarity oriented in the opposite direction to the polarity of the magnet 24.
- the magnets 24 whose polarity is oriented towards the shell 12 are shown in white, and the magnets 24 whose polarity is oriented outwards are shown in gray.
- the proportion of magnets 24 whose polarity is oriented in one direction and the proportion of magnets 24 whose polarity is oriented in the opposite direction are substantially equal, advantageously equal.
- the material of the tiles 16 has advantageous properties of thermal insulation, absorption of electromagnetic waves, reduction of hydrodynamic drag, or others.
- the tiles 16 have a hexagonal prism shape, which increases the resistance of the tile 16 to tearing. More generally, the shape of the base can be any geometry to ensure a desired recovery of the outer surface 14 of the shell 12.
- the magnets 24 are embedded in the tile in the vicinity of the fastening surface 20, for example at a distance less than 5 mm from the fastening surface 20.
- the magnets 24 are glued to the tile 16 at the level of the fastening surface 20.
- the magnets 24 are groups of permanent magnets in contact or close to each other, having polarities oriented in the same direction, the groups of magnets being arranged in a network identical to the magnets 24 described above. .
- the magnets 24 are arranged in a disordered manner on the fastening surface 20, the proportion of magnets 24 whose polarity is oriented in one direction being substantially equal to the proportion of magnets 24 whose polarity is oriented in the direction reverse.
- the central region 30 is devoid of magnets 24, the magnets 24 being disposed on the peripheral region 26 only.
- the magnets 24 are arranged on the entirety of the fastening surface 20.
- the polarities of the magnets form a non-straight angle with the fastening surface 20, or they are tangent to the fastening surface 20.
- the magnets 24 are not adjacent to their nearest neighbors, but separated by a constant pitch of each of their nearest neighbors.
- each tile 16 are chamfered and adapted to cooperate with anti-slip ribs 32 extending on the outer surface 14 of the shell 12. This increases the resistance of the tiles 16 sliding along the outer surface 14 of the shell 12.
- the shell equipment comprises an active device, for example a projector 34, and a fixing plate 38.
- the projector 34 is mounted via a foot 36 on the slab 38 for fixing.
- the slab 38 defines a fastening surface 20, extending on one side of the slab 38 opposite the foot 36, and comprising the magnets 24 arranged in a network as previously described.
- the active equipment is for example a sensor, a camera, an antenna, a signaling device or a tool.
- the hull equipment is a mobile equipment, for example a robot 50 for inspection of the hull 12.
- the robot 50 comprises a housing 52 and caterpillars 54.
- the housing 52 contains a control electronics of the robot 50, a drive motor of the tracks 54, and communication means.
- the shell 52 is adapted to seal its contents from the outside, and has a window 56 through which the sensors can make measurements, for example optical measurements.
- Each track 54 comprises a tread 58 disposed around at least two wheels 60.
- the wheels 60 are rotated by the engine and drive the tread 58, which is in contact with the outer surface 14 of the hull 12 .
- the attachment surface 20 extends over the tread 58, so that a portion of the attachment surface 20 is permanently in contact with the outer surface 14 of the shell 12.
- the magnets 24 are embedded in the strip 58 and are flush with the surface of the tread 58. Alternatively, the magnets 24 are glued to the surface of the tread 58.
- the magnets 24 located on the part of the fastening surface 20 in contact with the shell 12 then hold the robot 50 against the shell 12 during the movement of the robot 50.
- the robot 50 comprises wheels or movable feet instead of the tracks 58, and the attachment surface 20 extends on an outer rolling surface of each wheel or under the movable feet.
- the robot 50 comprises a magnetized plate 70 on which the fastening surface 20, located under the robot 50, extends, attaching the robot 50 to the shell 12, as well as non-magnetized wheels 72 ensuring his displacement.
- the magnetized plate 70 is not directly in contact with the shell 12 but disposed in the vicinity of the shell 12, for example at a distance of less than 2 mm.
- the magnetized plate 70 then has an air gap with the shell 12.
- the contact between the robot 50 and the shell 12 takes place by the wheels 72, or by non-magnetized tracks or feet, which ensure the movement of the robot 50.
- the hull equipment described is reversibly fixable, and its installation is simple to implement and inexpensive in terms of specific equipment and manpower, since the attachment is provided by magnets simple to handle by man of the job.
- the hull equipment according to the invention is particularly advantageous in terms of magnetic signature.
- the alternation of polarities of the magnets has the advantage of both generating a significant attraction force while minimizing the gradient of the magnetic field lines in the shell.
- the magnetization of the shell is modified on the surface and a few millimeters thick (in its depth) but much less important than a system with large magnets having or not alternating polarity.
- the magnetization of the hull is modified very locally and on the surface, which leads to a very slight modification of the magnetic field a few centimeters from the hull, but does not modify the magnetic field at greater distances.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Manipulator (AREA)
- Hard Magnetic Materials (AREA)
- Toys (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/765,244 US11634199B2 (en) | 2017-11-20 | 2018-11-19 | Hull device |
KR1020207013653A KR102613246B1 (ko) | 2017-11-20 | 2018-11-19 | 선체 장치 |
EP18800976.5A EP3713841A1 (fr) | 2017-11-20 | 2018-11-19 | Equipement de coque |
AU2018368617A AU2018368617B2 (en) | 2017-11-20 | 2018-11-19 | Hull device |
BR112020009392-0A BR112020009392A2 (pt) | 2017-11-20 | 2018-11-19 | dispositivo de casco e embarcação marinha ou submarina |
JP2020527786A JP7232830B2 (ja) | 2017-11-20 | 2018-11-19 | 船体デバイス |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1701196 | 2017-11-20 | ||
FR1701196A FR3073811B1 (fr) | 2017-11-20 | 2017-11-20 | Equipement de coque |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019097056A1 true WO2019097056A1 (fr) | 2019-05-23 |
Family
ID=61655814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/081786 WO2019097056A1 (fr) | 2017-11-20 | 2018-11-19 | Equipement de coque |
Country Status (8)
Country | Link |
---|---|
US (1) | US11634199B2 (fr) |
EP (1) | EP3713841A1 (fr) |
JP (1) | JP7232830B2 (fr) |
KR (1) | KR102613246B1 (fr) |
AU (1) | AU2018368617B2 (fr) |
BR (1) | BR112020009392A2 (fr) |
FR (1) | FR3073811B1 (fr) |
WO (1) | WO2019097056A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102376907B1 (ko) * | 2020-07-21 | 2022-03-22 | 대우조선해양 주식회사 | 선체 외부에 독립적으로 부착 가능한 계측기구 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2568401A1 (fr) * | 1984-07-26 | 1986-01-31 | Sauveplane Francois | Dispositif magnetique pour assembler, de maniere provisoire, deux elements, notamment des elements aptes a constituer un coffrage |
US20020170481A1 (en) * | 2001-05-18 | 2002-11-21 | Mcnamara George C. | Multi-functional cellular surface for underwater vehicles |
GB2510087A (en) * | 2011-10-19 | 2014-07-23 | Republic Of Korea Korea Coast Guard Commissioner | Low-pressure liquid leakage prevention device |
US20140230711A1 (en) * | 2009-11-23 | 2014-08-21 | Searobotics Corporation | Mobile Operations Chassis with Controlled Magnetic Attraction to Ferrous Surfaces |
US20170323715A1 (en) * | 2014-09-26 | 2017-11-09 | Elliott Chewins | Removable fluid barrier |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59122509U (ja) * | 1983-02-07 | 1984-08-17 | 三菱重工業株式会社 | 喫水読取装置 |
US5038701A (en) * | 1990-03-23 | 1991-08-13 | Riddell Floyd A | Method and means for covering openings in hulls of damaged ships |
IL99450A0 (en) * | 1990-09-11 | 1992-08-18 | Dave Elvis Goulding | Apparatus and method of sealing ruptured tanks |
US20090260556A1 (en) * | 2008-04-17 | 2009-10-22 | Ronald Clifford Sahr | Magnetically Attached Floor Covering for a Boat |
WO2010078299A1 (fr) * | 2008-12-30 | 2010-07-08 | Sanford L.P. | Matrice magnétique pour fixer un objet à une surface ferromagnétique |
US8852710B2 (en) | 2011-04-08 | 2014-10-07 | Robert B. Evans | Surface flow enhancement device and method of using the same on a vehicle |
KR101291150B1 (ko) * | 2011-07-15 | 2013-07-31 | 삼성중공업 주식회사 | 선체 벽면 작업용 로봇 및 그 제어방법 |
JP5849907B2 (ja) * | 2012-02-09 | 2016-02-03 | 新日鐵住金株式会社 | 磁性体移動車用車輪および磁性体移動車 |
US20140077587A1 (en) * | 2012-09-14 | 2014-03-20 | Raytheon Company | Magnetic Track |
AU2013204033A1 (en) | 2012-10-16 | 2014-05-01 | Serpent And Dove - Applied Magnetics Pty Ltd | Magnetic clamp |
GB2514626A (en) | 2013-06-01 | 2014-12-03 | Peter John Charles Spurgeon | An aquatic fender |
KR101691291B1 (ko) * | 2015-04-02 | 2016-12-29 | 황종하 | 선박용 유해물질 유출 및 침수차단장치 |
NO20161367A1 (en) * | 2016-08-26 | 2018-02-12 | Bri Norhull As | Holding means for holding an apparatus against a metallic surface |
-
2017
- 2017-11-20 FR FR1701196A patent/FR3073811B1/fr active Active
-
2018
- 2018-11-19 WO PCT/EP2018/081786 patent/WO2019097056A1/fr unknown
- 2018-11-19 JP JP2020527786A patent/JP7232830B2/ja active Active
- 2018-11-19 EP EP18800976.5A patent/EP3713841A1/fr active Pending
- 2018-11-19 BR BR112020009392-0A patent/BR112020009392A2/pt active Search and Examination
- 2018-11-19 KR KR1020207013653A patent/KR102613246B1/ko active IP Right Grant
- 2018-11-19 US US16/765,244 patent/US11634199B2/en active Active
- 2018-11-19 AU AU2018368617A patent/AU2018368617B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2568401A1 (fr) * | 1984-07-26 | 1986-01-31 | Sauveplane Francois | Dispositif magnetique pour assembler, de maniere provisoire, deux elements, notamment des elements aptes a constituer un coffrage |
US20020170481A1 (en) * | 2001-05-18 | 2002-11-21 | Mcnamara George C. | Multi-functional cellular surface for underwater vehicles |
US20140230711A1 (en) * | 2009-11-23 | 2014-08-21 | Searobotics Corporation | Mobile Operations Chassis with Controlled Magnetic Attraction to Ferrous Surfaces |
GB2510087A (en) * | 2011-10-19 | 2014-07-23 | Republic Of Korea Korea Coast Guard Commissioner | Low-pressure liquid leakage prevention device |
US20170323715A1 (en) * | 2014-09-26 | 2017-11-09 | Elliott Chewins | Removable fluid barrier |
Also Published As
Publication number | Publication date |
---|---|
AU2018368617B2 (en) | 2024-03-07 |
FR3073811A1 (fr) | 2019-05-24 |
AU2018368617A1 (en) | 2020-05-28 |
US11634199B2 (en) | 2023-04-25 |
KR102613246B1 (ko) | 2023-12-12 |
JP7232830B2 (ja) | 2023-03-03 |
BR112020009392A2 (pt) | 2020-11-03 |
JP2021503410A (ja) | 2021-02-12 |
EP3713841A1 (fr) | 2020-09-30 |
FR3073811B1 (fr) | 2020-11-20 |
KR20200083489A (ko) | 2020-07-08 |
US20200283107A1 (en) | 2020-09-10 |
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