CN102381439A - Capping device of conduit mouth of ship body - Google Patents
Capping device of conduit mouth of ship body Download PDFInfo
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- CN102381439A CN102381439A CN2011101411549A CN201110141154A CN102381439A CN 102381439 A CN102381439 A CN 102381439A CN 2011101411549 A CN2011101411549 A CN 2011101411549A CN 201110141154 A CN201110141154 A CN 201110141154A CN 102381439 A CN102381439 A CN 102381439A
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- screw mandrel
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Abstract
The invention relates to a capping device of a conduit mouth of a ship body, which comprises a cylinder body 1, cover plates 2 and a cover plate driving device 3, wherein the 2-6 cover plates 2 which can realize 90-degree rotation are symmetrically distributed on the vertical circular section close to a cylinder mouth of the cylinder body 1 as far as possible, in the cylinder body 1, along the central line of the circular section, the rotation axial lines of the cover plates 2 are parallel to the central line of the circular section, and all the cover plates can just seal the vertical circular section of the cylinder body when the cover plates are closed; a driving rotating shaft 4 and a driven rotating shaft 5 are connected at the two ends of each cover plate 2, the driving rotating shafts 4 and the driven rotating shafts 5 are respectively fixed on the cylinder body 1 through bearing seats 6, the axial lines are superimposed, and the driving rotating shafts and the driven rotating shafts can rotate along the axial lines respectively; and the cover plate driving device 3 is fixed on the cylinder body 1 and can drive the driving rotating shafts to drive the cover plates 2 to realize the 90-degree rotation. The capping device can reduce acoustic noise generated by the open conduit mouth and improve the working conditions of a ship-borne acoustic detection system; and the structure is simple and reliable, the conventional relay control can be adopted, the operation and the maintenance are convenient, and the cost is low.
Description
Technical field
The present invention relates to a kind of capping apparatus of hull conduit mouth.
Background technology
Along with the development of modern ships technology, increasing ship is equipped with the dynamic positioning system (DPS) of band side direction propelling unit, and some installation sides need be installed the thruster screw propeller at the conduit of profile underwater opened round to the ship of propelling unit in conduit.The conduit mouth of the thruster conduit of ship in the past be open wide possibly be added with the grid that blocks foreign material; When ship in the process of moving or because during the wave motion heave and set; In the conduit mouth that opens wide, will produce great amount of bubbles, these bubbles will produce the acoustic noise of a large amount of various frequencies.If various acoustic detection devices also are installed on same ship simultaneously, above-mentioned acoustic noise reduces its performance the work of serious interference acoustics detector greatly, even it can't be used at all.
Hydraulically powered hull conduit mouth capping apparatus has abroad appearred utilizing in recent years; When the shipboard pushing system is not worked,, do not stop bubble outwards to overflow, thereby reduce acoustic noise from the conduit mouth with the sealing of conduit mouth; Improve the working environment of acoustic detection device, it is better played a role.Hydraulically powered hull conduit mouth capping apparatus complex structure, be out of order easily, the system monitoring difficulty is bigger.
Summary of the invention
The objective of the invention is provides a kind of structure more simple, reliable, lower-cost capping apparatus for hull conduit mouth; Not only can reduce because of the unlimited acoustic noise that produces of conduit mouth; Improve the service conditions of boat-carrying acoustic detection system; Adopt simple mechanical device simultaneously, improve reliability, the handled easily maintenance of system and can adopt simple conventional relay control device to control.
The present invention adopts following technical scheme to reach above purpose: a kind of hull conduit mouth capping apparatus; Include cylindrical shell, cover plate, cover plate actuating device; Concrete structure is: be symmetrically distributed with 2 to 6 cover plates that can realize 90 ° of rotations near circular section, upper edge, the vertical circular section line of centers of cylindrical shell nozzle in barrel as far as possible; The pivot center of this cover plate is all parallel with the circular section line of centers, just in time can close the vertical circular section of this cylindrical shell when all cover plates are closed; The cover plate two ends are connected with active rotation axle and driven turning cylinder; Active rotation axle and driven turning cylinder all are fixed on the cylindrical shell through bearing seat respectively; Its dead in line; Its inside all is equipped with lubricating system, wherein between active rotation axle and the bearing seat inside water sealing device is housed also, and active rotation axle and driven turning cylinder all can rotate along its axis; The cover plate actuating device is fixed on the cylindrical shell through support and carrier base, and cover plate actuating device and active rotation axle flexibly connect, and can drive the active rotation axle and realize 90 ° rotation along its axis.
Cover plate actuating device according to the invention is a mechanical actuation device; Comprise following component part: crank, long connecting rod, short connecting rod, drive plate, the nut apparatus, screw mandrel, shaft coupling, retarder, the electrical motor that constitute by nut and nut seat; Wherein: the screw mandrel two ends are installed on the support; Its axis normal is in the axis of active rotation axle; One end of screw mandrel passes support and links to each other with retarder through shaft coupling, and retarder links to each other with electrical motor, and screw mandrel can be realized the rotation of positive and negative both direction under the driving of electrical motor; Nut and screw mandrel are supporting; Nut sleeve is on screw mandrel; Nut is installed in the nut seat, the vertical lower end fixed connection drive plate of nut seat, and nut can be converted into the rotation of screw mandrel both direction the straight-line motion of nut apparatus along the both direction of screw mandrel axis; And then the drive drive plate is done the straight-line motion of same both direction; The both sides that drive plate is divided by the screw mandrel axis are connected with two short connecting rods respectively, and the other end of every short connecting rod is connected with long connecting rod, is connected with 1 to 3 crank on the every long connecting rod; The other end of crank and each active rotation axle are movably connected, and crank can be around its rotation with 90 ° of the realizations on perpendicular to the plane of active rotation axis of the point of connection of active rotation axle.
During work; Electrical motor drives screw mandrel through retarder and shaft coupling and rotates; Screw mandrel is converted into the straight-line motion of drive plate through nut and nut seat; Drive plate drives crank through short connecting rod, long connecting rod and carries out 90 ° circular movement around the point of connection of crank and active rotation axle, and the circular movement through crank can drive the folding that cover plate carries out 90 °.
Said cover plate actuating device can include two polished rods, has axis hole on the nut apparatus, is provided with axle sleeve in the axis hole, and said polished rod passes the axle sleeve on the nut apparatus, and two ends are fixedly mounted on the support polished rod axis and screw axis line parallel respectively.Through polished rod is installed, can be so that piston crank mechanism transfers on the polished rod for the power torque that causes of nut apparatus from screw mandrel, in order to avoid screw mandrel rotates not smooth or damages.
Said cover plate actuating device can be provided with slide rail or chute, and this slide rail or chute are fixed in above the support, and the Slipper of slide rail or chute is installed in the nut apparatus below, and nut apparatus can slide on this slide rail or chute.The purpose that slide rail or chute are set equally play the guiding role with polished rod, further shifts the power torque that causes that piston crank mechanism is given nut apparatus, avoids screw mandrel to rotate smooth or damage.
Said nut apparatus is preferably Slide Box cover form device; This Slide Box cover form device comprises the Slide Box cover that nut is outer with being enclosed within nut; Put at Slide Box and to have axis hole and be furnished with axle sleeve and can let polished rod pass; Polished rod is with spring respectively in the polished rod section on Slide Box cover inner nut both sides, and the Slide Box cover can slide on slide rail or chute, and Slide Box overlaps vertical lower end and drive plate is fixedly connected.After adopting this Slide Box cover form device to replace simple nut apparatus; Because the buffer action that the spring that is with on the polished rod rises; In the time of can preventing the direct throw crank connecting rod mechanism of nut, because the error of limit-switch positions signal possibly cause the stall of electrical motor to burn out.
Preferably also install and fix grid in the said cylindrical shell, this stationary grizzly is vertical with cover plate to be installed, with cover plate as far as possible near but do not influence the cover plate normal rotation.It is for lattice retaining foreign material that this stationary grizzly is installed, and avoids foreign material to get into the cover plate position and stops the normal folding of cover plate.
The present invention possesses following advantage: not only can realize reducing because of the conduit mouth opens wide the acoustic noise that produces, improve the service conditions of boat-carrying acoustic detection system, work together simple and reliable for structure, can adopt conventional relay control, convenient operating maintenance, cost low.
Description of drawings
Fig. 1 is the device overall schematic;
Fig. 2 is a cover plate actuating device scheme drawing;
Fig. 3 is the piston crank mechanism scheme drawing;
Fig. 4 is the motor drive scheme drawing;
Fig. 5 connects scheme drawing for polished rod;
Fig. 6 is chute or slide rail and Slide Box cover scheme drawing;
Fig. 7 is the stationary grizzly scheme drawing.
The specific embodiment
Below in conjunction with specific embodiment of the present invention and combine Figure of description that the present invention is done further to explain:
A kind of embodiment of the present invention is: like Fig. 1-a kind of hull conduit mouth capping apparatus shown in Figure 4; This capping apparatus is in conduit mouth exit position; It includes cylindrical shell 1, cover plate 2, cover plate actuating device 3; Be symmetrically distributed with 2 to 6 cover plates 2 that can realize 90 ° of rotations near circular section, upper edge, the vertical circular section line of centers of cylindrical shell 1 nozzle in cylindrical shell 1 inside as far as possible; The pivot center of this cover plate 2 is all parallel with the circular section line of centers, just in time can close the vertical circular section of this cylindrical shell when all cover plates are closed; Cover plate 2 two ends are connected with active rotation axle 4 and driven turning cylinder 5; Active rotation axle 4 all is fixed on the cylindrical shell 1 through bearing seat 6 respectively with driven turning cylinder 5; Its dead in line; Its inside all is equipped with self-lubricating or water lubricating device 7, wherein between active rotation axle 4 and bearing seat 6 inside water sealing device 8 is housed also, and active rotation axle and driven turning cylinder all can rotate along its axis; Cover plate actuating device 3 is fixed on the cylindrical shell 1 through support 9 and carrier base 10, and cover plate actuating device 3 flexibly connects with active rotation axle 4, can drive the active rotation axle and realize 90 ° rotation along its axis; Said cover plate actuating device 3 comprises: crank 11, long connecting rod 12, short connecting rod 13, drive plate 14, the nut apparatus 17, screw mandrel 18, shaft coupling 19, retarder 20, electrical motor 21, polished rod 22, axle sleeve 23, chute or the slide rail 24 that are made up of nut 15 and nut seat 16, wherein: screw mandrel 18 two ends are installed on the support 9; Its axis normal is in the axis of active rotation axle 4; One end of screw mandrel 18 passes support 9 and links to each other with retarder 20 through shaft coupling 19; Retarder 20 links to each other with electrical motor 21, and screw mandrel 18 can be realized the rotation of positive and negative both direction under the driving of electrical motor; Said nut 15 and screw mandrel 18 are supporting and be enclosed within on the screw mandrel 18; Nut 15 is installed in the nut seat 16; Nut seat 16 vertical lower end fixed connection drive plates 14; Nut 15 can be converted into the rotation of screw mandrel 18 both directions the straight-line motion of nut seat 16 along the both direction of screw mandrel 18 axis; And then drive drive plate 14 and do equidirectional straight-line motion, the both sides that drive plate 14 is divided by screw mandrel 18 axis are connected with two short connecting rods 13 respectively, and the other end of every short connecting rod 13 is connected with long connecting rod 12; Be connected with 1 to 3 crank 11 on the every long connecting rod 12; The other end of crank 11 and each active rotation axle 4 are movably connected, and crank 11 can realized 90 ° rotation around itself and the point of connection of active rotation axle 4 under the drive of drive plate 14 on perpendicular to the plane of active rotation axis, and then 90 ° of drive cover plates, 2 foldings of control active rotation axle.
A kind of improvement embodiment of the present invention is as shown in Figure 5: two polished rods 22 are set in drive cover panel assembly 3; On nut apparatus 17, have axis hole; Be equipped with axle sleeve 23 in the axis hole; Said polished rod 22 passes the axle sleeve 23 on the nut apparatus 17, and two ends are fixedly mounted on the support 9 polished rod 22 axis and screw mandrel 18 parallel axes respectively.After the polished rod of this constructional device is set, because polished rod has played a directional tagging, through polished rod is installed, can be so that piston crank mechanism transfers on the polished rod for the power torque that causes of nut apparatus from screw mandrel, in order to avoid screw mandrel rotates not smooth or damages.
Another kind of improvement embodiment of the present invention is as shown in Figure 6: the mode that said polished rod 22 can adopt the mode of slide rail or chute perhaps on the polished rod basis, to add a slide rail or chute 24 replaces; Slide rail or chute 24 are set below nut apparatus 17 again; This slide rail or chute 24 are fixed in above the support 9; The Slipper of slide rail or chute 24 is installed in nut apparatus 17 belows, and nut apparatus 17 can slide on this slide rail or chute 24.The effect of this slide rail or chute is the same with the effect of said polished rod, play the guiding role, and the metastatic capacity torque avoids screw mandrel to rotate smooth or damage.
The another kind of embodiment of improvement of the present invention is as shown in Figure 6: nut apparatus 17 usefulness Slide Boxes cover form device is replaced; This Slide Box cover form device comprises nut 15 and is enclosed within the Slide Boxes cover 25 outside the nut 15; On Slide Box cover 25, having axis hole is furnished with axle sleeve 23 and can lets polished rod 22 pass; Polished rod 22 is with spring 26 respectively in the polished rod section that Slide Box overlaps 25 inner nuts, 14 both sides, and Slide Box cover 25 can slide on slide rail or chute 24, and Slide Box cover 25 vertical lower ends and drive plate 18 are fixedly connected.Because the buffer action that the spring that is with on the polished rod rises, in the time of can preventing the direct throw crank connecting rod mechanism of nut, because the error of limit-switch positions signal possibly cause the stall of electrical motor to burn out.
As shown in Figure 7: the present invention can also install and fix grid 27 in said cylindrical shell 1, this stationary grizzly 27 and cover plate 2 vertical installations, with cover plate 2 as far as possible near but do not influence cover plate 2 normal rotation.This stationary grizzly is installed is kept off foreign material by lattice, avoid foreign material to get into the cover plate position and stop the normal folding of cover plate.
The structure that the present invention adopts is not limited to above specific embodiment; As long as cover plate actuating device 3 be mechanical actuation device, and can drive cover plate 2 and in cylindrical shell 1, realize 90 ° of rotations, the normal folding of realization cover plate 2; Realize reducing acoustic noise; Improve the function of the service conditions of boat-carrying acoustic detection system, no matter whether this cover plate actuating device installs polished rod or slide rail or chute, whether replaces nut apparatus with Slide Box cover form device; Whether install and fix grid, all fall within the protection domain of the present invention.
Claims (6)
1. hull conduit mouth capping apparatus; It is characterized in that: it comprises cylindrical shell (1); Cover plate (2), cover plate actuating device (3); Concrete structure is: be symmetrically distributed with 2 to 6 cover plates (2) that can realize 90 ° of rotations near circular section, upper edge, the vertical circular section line of centers of cylindrical shell (1) nozzle in cylindrical shell (1) inside, the pivot center of this cover plate (2) is all parallel with the circular section line of centers, just in time can close the vertical circular section of this cylindrical shell when all cover plates are closed as far as possible; Cover plate (2) two ends are connected with active rotation axle (4) and driven turning cylinder (5); Active rotation axle (4) and driven turning cylinder (5) are all distinguished the cooresponding bearing seat of green phase (6) and are fixed on the cylindrical shell (1); Its dead in line; Its inside all is equipped with lubricating system (7), wherein between active rotation axle (4) and bearing seat (6) inside water sealing device (8) is housed also, and active rotation axle and driven turning cylinder all can rotate along its axis; Said cover plate actuating device (3) is a mechanical actuation device; Cover plate actuating device (3) is fixed on the cylindrical shell (1) through support (9) and carrier base (10), and cover plate actuating device (3) flexibly connects with active rotation axle (4), can drive active rotation axle (4) and realize 90 ° rotation along its axis.
2. according to the described a kind of hull conduit mouth capping apparatus of claim 1; It is characterized in that: said cover plate actuating device is formed and is comprised: crank (11), long connecting rod (12), short connecting rod (13), drive plate (14), by nut apparatus (17), screw mandrel (18), retarder (20), the electrical motor (21) of nut (15) with nut seat (16) formation; Wherein: screw mandrel (18) two ends are installed on the support (9); Its axis normal is in the axis of active rotation axle (4); One end of screw mandrel (18) passes support (9) and links to each other with retarder (20) through shaft coupling (19); Retarder (20) links to each other with electrical motor (21), and screw mandrel (18) can be realized the rotation of positive and negative both direction under the driving of electrical motor; Said nut (15) and screw mandrel (18) are supporting and be enclosed within on the screw mandrel (18); Nut (15) is installed in the nut seat (16); The vertical lower end of nut seat (16) fixed connection drive plate; Nut (15) can be converted into the rotation of screw mandrel (18) both direction the straight-line motion of nut apparatus (17) along the both direction of screw mandrel (18) axis; The both sides that drive plate (14) is divided by screw mandrel (18) axis are connected with two short connecting rods (13) respectively, and the other end of every short connecting rod (13) is connected with long connecting rod (12), is connected with 1 to 3 crank (11) on the every long connecting rod (12); The other end of crank (11) and each active rotation axle (4) are movably connected, and crank (11) can be around its rotation with 90 ° of the realizations on perpendicular to the plane of active rotation axis of the point of connection of active rotation axle (4).
3. a kind of hull conduit mouth capping apparatus according to claim 2; It is characterized in that: said cover plate actuating device (3) also includes two polished rods (22); Nut apparatus has axis hole on (17), is provided with axle sleeve (23) in the axis hole, and said polished rod (22) passes the axle sleeve (23) on the nut apparatus (17); And two ends are fixedly mounted on respectively on the support (9), polished rod (22) axis and screw mandrel (18) parallel axes.
4. according to claim 2 or 3 described a kind of hull conduit mouth capping apparatus; It is characterized in that: said cover plate actuating device can also be provided with slide rail or chute (24); This slide rail or chute (24) are fixed in above the support (9); The Slipper of slide rail or chute (24) is installed in nut apparatus (17) below, and nut apparatus (17) can be gone up slip at this slide rail or chute (24).
5. a kind of hull conduit mouth capping apparatus according to claim 2; It is characterized in that: said nut apparatus (17) is Slide Box cover form device; This Slide Box cover form device comprises nut (15) and is enclosed within the outer Slide Box cover (25) of nut (15); On Slide Box cover (25), having axis hole is furnished with axle sleeve (23) and can lets polished rod (22) pass; Polished rod (22) is with spring (26) respectively in the polished rod section on Slide Box cover (25) inner nut (14) both sides, and Slide Box cover (25) can be gone up slip at slide rail or chute (24), and vertical lower end of Slide Box cover (25) and drive plate (18) are fixedly connected.
6. according to claim 1,2 any described a kind of hull conduit mouth capping apparatus; It is characterized in that: stationary grizzly (27) also is installed in cylindrical shell (1); This stationary grizzly (27) and the vertical installation of cover plate (2), with cover plate as far as possible near and do not influence the cover plate normal rotation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110141154.9A CN102381439B (en) | 2011-05-30 | 2011-05-30 | Capping device of conduit mouth of ship body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110141154.9A CN102381439B (en) | 2011-05-30 | 2011-05-30 | Capping device of conduit mouth of ship body |
Publications (2)
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CN102381439A true CN102381439A (en) | 2012-03-21 |
CN102381439B CN102381439B (en) | 2014-04-30 |
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Application Number | Title | Priority Date | Filing Date |
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CN201110141154.9A Expired - Fee Related CN102381439B (en) | 2011-05-30 | 2011-05-30 | Capping device of conduit mouth of ship body |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109131744A (en) * | 2018-08-08 | 2019-01-04 | 中国舰船研究设计中心 | A kind of sealing of hole cover board driving device with air clutch |
CN109501990A (en) * | 2018-11-27 | 2019-03-22 | 南京高精船用设备有限公司 | A kind of marine propeller curved surface capping |
WO2022079651A1 (en) * | 2020-10-14 | 2022-04-21 | Fincantieri S.P.A. | Transverse propulsion device of a ship |
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GB817608A (en) * | 1956-10-22 | 1959-08-06 | Voith Gmbh J M | Apparatus in ships for closing a transverse duct through the ship's hull and propulsion means in said duct |
US3408974A (en) * | 1965-05-07 | 1968-11-05 | Karlstad Mekaniska Ab | Ship steering system |
JPH10181693A (en) * | 1996-12-26 | 1998-07-07 | Mitsubishi Heavy Ind Ltd | Debris bite safety device for side thruster cover for marine vessel |
CN2438813Y (en) * | 2000-08-27 | 2001-07-11 | 华传顺 | Remote-control whole-glass rotary window |
FR2815602A1 (en) * | 2000-10-24 | 2002-04-26 | Imeca | Boat with sealed bow thrusters comprises tunnel housing propeller and sealed by two doors |
CN101715410A (en) * | 2007-06-13 | 2010-05-26 | Drs减阻系统股份公司 | Be used to reduce fluid and enter the interior device of pipeline |
CN101712374A (en) * | 2008-10-01 | 2010-05-26 | 住友商事株式会社 | A boat hull with a lateral thruster |
CN101992846A (en) * | 2010-11-11 | 2011-03-30 | 南京恒兴达机电设备制造有限公司 | Resistance and noise reducing device of side thruster |
CN202147833U (en) * | 2011-05-30 | 2012-02-22 | 湖南科技大学 | Hull groove channel port closure device |
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2011
- 2011-05-30 CN CN201110141154.9A patent/CN102381439B/en not_active Expired - Fee Related
Patent Citations (9)
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GB817608A (en) * | 1956-10-22 | 1959-08-06 | Voith Gmbh J M | Apparatus in ships for closing a transverse duct through the ship's hull and propulsion means in said duct |
US3408974A (en) * | 1965-05-07 | 1968-11-05 | Karlstad Mekaniska Ab | Ship steering system |
JPH10181693A (en) * | 1996-12-26 | 1998-07-07 | Mitsubishi Heavy Ind Ltd | Debris bite safety device for side thruster cover for marine vessel |
CN2438813Y (en) * | 2000-08-27 | 2001-07-11 | 华传顺 | Remote-control whole-glass rotary window |
FR2815602A1 (en) * | 2000-10-24 | 2002-04-26 | Imeca | Boat with sealed bow thrusters comprises tunnel housing propeller and sealed by two doors |
CN101715410A (en) * | 2007-06-13 | 2010-05-26 | Drs减阻系统股份公司 | Be used to reduce fluid and enter the interior device of pipeline |
CN101712374A (en) * | 2008-10-01 | 2010-05-26 | 住友商事株式会社 | A boat hull with a lateral thruster |
CN101992846A (en) * | 2010-11-11 | 2011-03-30 | 南京恒兴达机电设备制造有限公司 | Resistance and noise reducing device of side thruster |
CN202147833U (en) * | 2011-05-30 | 2012-02-22 | 湖南科技大学 | Hull groove channel port closure device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109131744A (en) * | 2018-08-08 | 2019-01-04 | 中国舰船研究设计中心 | A kind of sealing of hole cover board driving device with air clutch |
CN109131744B (en) * | 2018-08-08 | 2020-04-21 | 中国舰船研究设计中心 | Hole sealing cover plate driving device with pneumatic clutch |
CN109501990A (en) * | 2018-11-27 | 2019-03-22 | 南京高精船用设备有限公司 | A kind of marine propeller curved surface capping |
WO2022079651A1 (en) * | 2020-10-14 | 2022-04-21 | Fincantieri S.P.A. | Transverse propulsion device of a ship |
EP4234392A2 (en) | 2020-10-14 | 2023-08-30 | Fincantieri S.p.A. | Transverse propulsion device of a ship |
EP4234392A3 (en) * | 2020-10-14 | 2023-10-04 | Fincantieri S.p.A. | Transverse propulsion device of a ship |
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