CN103723240B - bulbous bow assembly - Google Patents

bulbous bow assembly Download PDF

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Publication number
CN103723240B
CN103723240B CN201410038440.6A CN201410038440A CN103723240B CN 103723240 B CN103723240 B CN 103723240B CN 201410038440 A CN201410038440 A CN 201410038440A CN 103723240 B CN103723240 B CN 103723240B
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CN
China
Prior art keywords
bulbous bow
hull
pulley
main body
rotating band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201410038440.6A
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Chinese (zh)
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CN103723240A (en
Inventor
易宏
钱鹏
李英辉
余平
刘旌扬
张裕芳
陈炉云
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Publication date
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Priority to CN201410038440.6A priority Critical patent/CN103723240B/en
Publication of CN103723240A publication Critical patent/CN103723240A/en
Application granted granted Critical
Publication of CN103723240B publication Critical patent/CN103723240B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

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  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

The invention provides a kind of bulbous bow assembly relating to equipment of Vessel technical field, comprising: bulbous bow main body, be arranged at the below of hull along captain direction; Slideway, is arranged between hull and bulbous bow main body, and slideway comprises the slide rail and slide block with slide rail bearing fit laid along captain direction, slide block in slide rail along captain direction slide anteroposterior; Slide rail is fixedly connected with the bottom of hull, and slide block is fixedly connected with the top of bulbous bow main body; Drive slide device, be fixedly arranged in hull, comprise head pulley and rotating band; Head pulley is fixed pulley, and rotating band is set around on head pulley, and the two ends of rotating band are fixedly connected with the rear and front end of bulbous bow main body respectively.Hull of the present invention and bulbous bow body portion from, the position of bulbous bow main body can adjust in real time, to disappear mutually principle according to wave making, can realize under the many sea situations of many speed of a ship or plane, make full use of bulbous bow main body and reduce wave resistance of boat, at utmost reduce the running resistance of hull, reduce energy loss, and then reduce operation cost.

Description

Bulbous bow assembly
Technical field
The present invention relates to equipment of Vessel technical field, particularly relate to a kind of bulbous bow assembly.
Background technology
The bulbous bow of hull all can install bulbous bow before and after appearing at nineteen sixty now on multiple hull, to reduce the wave making resistance of hull, and then saving fuel.
Shipbuilding circles it is well known that: hull head and the tail wave system interference be cause coefficient of wave making resistance to occur the root of peak valley with Froude number change curve, therefore always try hard to when designing adjust captain and the speed of a ship or plane, make design point be positioned near resistance paddy, this is a kind of selection of principal dimensions.The crest that the trough adopting bulbous bow that it can be made to rise and the front end of hull are formed offsets.Generally will add the combined optimization design of bulbous bow at the initial molded line design phase of hull, but this optimal design just carries out under the specific speed of a ship or plane, captain.Because original bulbous bow is fixedly connected with hull, the size shape of the bulbous bow designed and position are generally only conducive to one or two kind of speed of a ship or plane and sea situation, even likely increase resistance on the contrary for other speed of a ship or plane and sea situation.
How designing a kind of structure enables bulbous bow adapt in multiple different speed of a ship or plane or sea situation protean marine site navigation, and wave-making interaction is disappeared mutually reaching optimum is the problem that those skilled in the art need to solve.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of bulbous bow assembly, for solve existing for one or two speed of a ship or plane and sea situation favourable, other speed of a ship or plane and sea situation are even likely increased on the contrary to the problem of resistance.
For achieving the above object and other relevant objects, the invention provides a kind of bulbous bow assembly, comprising: bulbous bow main body, be arranged at the below of hull along captain direction; Slideway, is arranged between described hull and described bulbous bow main body, and described slideway comprises the slide rail and slide block with described slide rail bearing fit laid along captain direction, described slide block in described slide rail along captain direction slide anteroposterior; Described slide rail is fixedly connected with the bottom of described hull, and described slide block is fixedly connected with the top of described bulbous bow main body; Drive slide device, be fixedly arranged in described hull, comprise head pulley and rotating band; Described head pulley is fixed pulley, and described rotating band is set around on described head pulley, and the two ends of described rotating band are fixedly connected with the rear and front end of described bulbous bow main body respectively.
Preferably, described driving slide device also comprises: drive motor, is fixedly arranged in described hull; Described head pulley cover is fixed on the output shaft of described drive motor; First time pulley and second time pulley, described first time pulley and second time pulley be fixed pulley, be fixedly arranged in described hull, be positioned at the below of described head pulley and be in same vertical plane surface with described head pulley; Described rotating band successively winding crosses described first time pulley, described head pulley and second time pulley.
Further, described rotating band angle in described first time pulley both sides are formed is acute angle, and described rotating band angle in described second time pulley both sides are formed is obtuse angle.
Further, described drive motor is arranged at more than the floating line of described hull.
Further, described driving slide device also comprises the first auxiliary wheel and the second auxiliary wheel, described first auxiliary wheel and described second auxiliary wheel to be all fixedly arranged in described hull and to be in same vertical plane surface with described head pulley, described first auxiliary wheel is arranged between described head pulley and described first time pulley, described second auxiliary wheel is arranged between described head pulley and described second time pulley, and described first auxiliary wheel and described second auxiliary wheel are all arranged with described rotating band.
Further, described rotating band angle in the both sides of described first auxiliary wheel or described second auxiliary wheel are formed is obtuse angle.
Further, the rear end of described bulbous bow main body is provided with through hole, and one end of described rotating band is connected with described through hole.
Further, described bulbous bow assembly also comprises gim peg, described gim peg is semicircular structure, one end of described gim peg is fixedly connected with the front end of described bulbous bow main body, the other end of described gim peg is fixedly connected with described slide block, and the other end of described rotating band is connected on described gim peg.
Preferably, be provided with compartments in described hull, described driving slide device is arranged in described compartments.
Preferably, described slide rail comprises several uniform rectangular blocks, and the side of described rectangular block is provided with slotted eye, and the bottom surface of described rectangular block is provided with opening; The end face of described rectangular block is fixedly connected with the bottom of described hull; Described slide block comprises horizontal block and is arranged at the vertical rib in described horizontal block, described horizontal block is inserted in the slotted eye of rectangular block described in several successively, the width of described horizontal block is greater than the width of described opening, and the bottom of described vertical rib is fixedly connected with the top of described bulbous bow main body.
As mentioned above, bulbous bow assembly of the present invention, has following beneficial effect:
(1) hull and bulbous bow body portion from, the position of bulbous bow main body is adjusted in real time, to disappear mutually principle according to wave making, can realize under the many sea situations of many speed of a ship or plane, make full use of bulbous bow main body and reduce wave resistance of boat, at utmost reduce the running resistance of hull, reduce energy loss, and then reduce operation cost;
(2) bulbous bow assembly and hull are independent separately, easily install, dismantle and safeguard, and can design separately suitable bulbous bow main body for shaping hull.
Accompanying drawing explanation
Fig. 1 is shown as construction profile schematic diagram when bulbous bow assembly of the present invention is installed on hull.
Fig. 2 is shown as the structure enlarged diagram at the A place of Fig. 1.
Fig. 3 is shown as the backplan of Fig. 1.
Fig. 4 be shown as Fig. 3 remove bulbous bow main body after schematic diagram.
Fig. 5 is shown as Facad structure schematic diagram when bulbous bow assembly of the present invention is installed on hull.
Fig. 6 is shown as the structural representation of the slideway of bulbous bow assembly of the present invention.
Fig. 7 is shown as the structural representation of the bulbous bow main body of bulbous bow assembly of the present invention.
Drawing reference numeral explanation
1 bulbous bow main body
11 through holes
121 arc ends
122 is most advanced and sophisticated
131 horizontal linears
132 broken lines
133 camber lines
2 hulls
21 compartments
3 slideways
31 slide rails
311 rectangular blocks
3111 sides
3112 slotted eyes
3113 bottom surfaces
3114 openings
32 slide blocks
321 horizontal block
322 vertical ribs
4 drive slide device
41 head pulleys
42 rotating bands
43 drive motor
44 first time pulley
45 second time pulleys
46 first auxiliary wheels
47 second auxiliary wheels
5 floating lines
6 gim pegs
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
Refer to accompanying drawing.Notice, structure, ratio, size etc. that this specification sheets institute accompanying drawings illustrates, content all only in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification sheets as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, Fig. 1 is the construction profile schematic diagram of bulbous bow assembly of the present invention when being installed on hull, only give the forward section of the hull 2 of a ship in FIG, the extension of hull 2 left side is followed successively by hull and stern, fore is front end, stern is rear end, and hull 2 is that topmost hull 2 is bottom at lowest part below horizontal at highest point above water.
The bulbous bow assembly of the present embodiment comprises: comprising: bulbous bow main body 1, slideway 3 and driving slide device 4.Bulbous bow main body 1 is arranged at the below of hull 2 along captain direction.
As shown in Figure 1, Figure 3 and Figure 4, Fig. 3 is the backplan of bulbous bow assembly of the present invention when being installed on hull, Fig. 4 is the schematic diagram after Fig. 3 removes bulbous bow main body, slideway 3 is arranged between hull 2 and bulbous bow main body 1, slideway 3 comprises the slide rail 31 and slide block 32 with slide rail 31 bearing fit laid along captain direction, slide block 32 in slide rail 31 along captain direction slide anteroposterior; Slide rail 31 is fixedly connected with the bottom of hull 2, and slide block 32 is fixedly connected with the top of bulbous bow main body 1;
As shown in Figure 1 and Figure 5, Fig. 5 is the Facad structure schematic diagram of bulbous bow assembly of the present invention when being installed on hull, and drive slide device 4 to be fixedly arranged in hull 2, drive slide device 4 to comprise drive motor 43, drive motor 43 is fixedly arranged in hull 2; Head pulley 41, head pulley 41 is fixed pulley and cover is fixed on the output shaft of drive motor 43; First time pulley 44 and second time pulley 45, first time pulley 44 and second time pulley 45 be fixed pulley, be fixedly arranged in hull 2, be positioned at the below of head pulley 41 and be in same vertical plane surface with head pulley 41; First auxiliary wheel 46 and the second auxiliary wheel 47, first auxiliary wheel 46 and the second auxiliary wheel 47 to be all fixedly arranged in hull 2 and to be in same vertical plane surface with head pulley 41, first auxiliary wheel 46 is arranged at head pulley 41 and for the first time between pulley 44, the second auxiliary wheel 47 is arranged between head pulley 41 and second time pulley 45; Rotating band 42, the two ends of rotating band 42 are fixedly connected with the rear and front end of bulbous bow main body 1 respectively, and rotating band 42 successively winding crosses first time pulley 44, first auxiliary wheel 46, head pulley 41 and the second auxiliary wheel 47 and second time pulley 45.
Drive motor 43 is arranged at the floating line more than 5 of hull 2, and drive motor 43 can be in dry working environment always, avoids water to get wet drive motor 43, causes drive motor 43 short circuit.
Rotating band 42 angle in first time pulley 44 both sides are formed is acute angle, and rotating band 42 angle in second time pulley 45 is formed is obtuse angle; Component in the horizontal direction of making a concerted effort when this structure can make rotating band 42 drive bulbous bow main body 1 is as far as possible large, reaches labour-saving effect.
Rotating band 42 angle in the both sides of the first auxiliary wheel 46 or the second auxiliary wheel 47 are formed is obtuse angle, the effect changing force direction is played in the setting of this structure, meanwhile, in installation process and debugging, pass through the degree of tightness of the position-adjustable rotating band 42 of mobile first auxiliary wheel 46 and the second auxiliary wheel 47.
The position of pulley 44, second time pulley 45, first auxiliary wheel 46 and the second auxiliary wheel 47 can do certain adjustment according to actual conditions under the prerequisite ensureing stressed optimization for the first time.
The rear end of bulbous bow main body 1 is provided with through hole 11, and one end of rotating band 42 is connected with through hole 11.
As depicted in figs. 1 and 2, Fig. 2 is the structure enlarged diagram at the A place of Fig. 1, bulbous bow assembly also comprises gim peg 6, gim peg 6 is semicircular structure, one end of gim peg 6 is fixedly connected with the front end of bulbous bow main body 1, the other end of gim peg 6 is fixedly connected with slide block 32, and the other end of rotating band 42 is connected on gim peg 6.
As shown in Figure 1 and Figure 5, in hull 2, be provided with compartments 21, drive slide device 4 to be arranged in compartments 21.
As shown in Fig. 1, Fig. 4 and Fig. 6, Fig. 6 is the structural representation of the slideway of bulbous bow assembly of the present invention, and slide rail 31 comprises several uniform rectangular blocks 311, and the side 3111 of rectangular block 311 is provided with slotted eye 3112, and the bottom surface 3113 of rectangular block 311 is provided with opening 3114; The end face of rectangular block 311 is fixedly connected with the bottom of hull 2; The vertical rib 322 that slide block 32 comprises horizontal block 321 and is arranged in horizontal block 321, horizontal block 321 is inserted in the slotted eye 3112 of several rectangular blocks 311 successively, the width of horizontal block 321 is greater than the width of opening 3114, and the bottom of vertical rib 322 is fixedly connected with the top of bulbous bow main body 1.
As shown in Figure 1 and Figure 7, Fig. 7 is the structural representation of the bulbous bow main body of bulbous bow assembly of the present invention, bulbous bow main body 1 is water-drop-shaped, the front end of water-drop-shaped bulbous bow main body 1 is arc end 121, rear end is most advanced and sophisticated 122, the top of the vertical plane surface of bulbous bow main body 1 is horizontal linear 131, the two ends of horizontal linear 131 connect broken line 132 and camber line 133 respectively, the bottom of broken line 132 is connected with the bottom of camber line 133 and tangent, horizontal linear 131 corresponding with the junction of broken line 132 described most advanced and sophisticated 122, the corresponding described arc end 121 of side of camber line 133, one end of gim peg 6 is fixedly connected with the junction of camber line 133 with the horizontal linear 131 of water-drop-shaped bulbous bow main body 1.
During bulbous bow component operation provided by the invention, when hull 2 is in the marine site navigation that the speed of a ship or plane or sea situation convert, need to adjust the position of bulbous bow main body 1 relative to hull 2.First control drive motor 43 to run, make the mouth of drive motor 43 to overlap solid head pulley 41 to rotate, head pulley 41 makes rotating band 42 transmission, the two ends of rotating band 42 are fixedly connected with the rear and front end of bulbous bow main body 1 respectively, and wherein one end of rotating band 42 is fixedly connected with bulbous bow main body 1 with slide block 32 by gim peg 6, rotating band 42 drives bulbous bow main body 1 and slide block 32 movable along captain direction, and slide block 32 is slide anteroposterior in slide rail 31.Owing to being connected by same rotating band 42 before and after bulbous bow main body 1, same main drive motor 43 drives, and ensure that movable synchronous and after adjusting position location is fixed.Bulbous bow main body 1 can move forward and backward along captain direction according to different service speeds and navigation sea situation information, and reduce wave making resistance with this, promote the seakeeping performance of hull 2, saving fuel, cuts operating costs; Bulbous bow main body 1 and hull 2 are independent separately, easily install, dismantle and safeguard, and can design separately suitable bulbous bow main body 1 for shaping hull 2.
Bulbous bow assembly is arranged on for reducing the underway wave making resistance of hull 2 on hull 2 after can doing the adjustment of the aspects such as size according to the structure of concrete hull 2, and then reduces fuel oil consumption, cuts operating costs, realizes the economic value of bulbous bow assembly.
In sum, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims (10)

1. a bulbous bow assembly, comprising:
Bulbous bow main body (1), is arranged at the below of hull (2) along captain direction;
It is characterized in that: also comprise:
Slideway (3), be arranged between described hull (2) and described bulbous bow main body (1), described slideway (3) comprises the slide rail (31) and slide block (32) with described slide rail (31) bearing fit laid along captain direction, described slide block (32) in described slide rail (31) along captain direction slide anteroposterior; Described slide rail (31) is fixedly connected with the bottom of described hull (2), and described slide block (32) is fixedly connected with the top of described bulbous bow main body (1);
Drive slide device (4), be fixedly arranged in described hull (2), comprise head pulley (41) and rotating band (42); Described head pulley (41) is fixed pulley, described rotating band (42) is set around on described head pulley (41), and the two ends of described rotating band (42) are fixedly connected with the rear and front end of described bulbous bow main body (1) respectively.
2. bulbous bow assembly according to claim 1, is characterized in that, described driving slide device (4) also comprises:
Drive motor (43), is fixedly arranged in described hull (2); Described head pulley (41) cover is fixed on the output shaft of described drive motor (43);
First time pulley (44) and second time pulley (45), described first time pulley (44) and second time pulley (45) are fixed pulley, be fixedly arranged in described hull (2), be positioned at the below of described head pulley (41) and be in same vertical plane surface with described head pulley (41);
Described rotating band (42) successively winding crosses described first time pulley (44), described head pulley (41) and second time pulley (45).
3. bulbous bow assembly according to claim 2, it is characterized in that: described rotating band (42) is acute angle at the interior angle of pulley (44) both sides formation of described first time, and the interior angle that described rotating band (42) is formed in described second time pulley (45) both sides is obtuse angle.
4. bulbous bow assembly according to claim 2, is characterized in that: described drive motor (43) is arranged at more than the floating line (5) of described hull (2).
5. bulbous bow assembly according to claim 2, it is characterized in that: described driving slide device (4) also comprises the first auxiliary wheel (46) and the second auxiliary wheel (47), described first auxiliary wheel (46) and described second auxiliary wheel (47) to be all fixedly arranged in described hull (2) and to be in same vertical plane surface with described head pulley (41), described first auxiliary wheel (46) is arranged between described head pulley (41) and described first time pulley (44), described second auxiliary wheel (47) is arranged between described head pulley (41) and described second time pulley (45), described first auxiliary wheel (46) and described second auxiliary wheel (47) are all arranged with described rotating band (42).
6. bulbous bow assembly according to claim 5, is characterized in that: the interior angle that described rotating band (42) is formed in the both sides of described first auxiliary wheel (46) or described second auxiliary wheel (47) is obtuse angle.
7. bulbous bow assembly according to claim 2, is characterized in that: the rear end of described bulbous bow main body (1) is provided with through hole (11), and one end of described rotating band (42) is connected with described through hole (11).
8. bulbous bow assembly according to claim 7, it is characterized in that: described bulbous bow assembly also comprises gim peg (6), described gim peg (6) is semicircular structure, one end of described gim peg (6) is fixedly connected with the front end of described bulbous bow main body (1), the other end of described gim peg (6) is fixedly connected with described slide block (32), and the other end of described rotating band (42) is connected on described gim peg (6).
9. bulbous bow assembly according to claim 1, is characterized in that: be provided with compartments (21) in described hull (2), and described driving slide device (4) is arranged in described compartments (21).
10. bulbous bow assembly according to claim 1, is characterized in that:
Described slide rail (31) comprises several uniform rectangular blocks (311), the side (3111) of described rectangular block (311) is provided with slotted eye (3112), and the bottom surface (3113) of described rectangular block (311) is provided with opening (3114); The end face of described rectangular block (311) is fixedly connected with the bottom of described hull (2);
Described slide block (32) comprises horizontal block (321) and is arranged at the vertical rib (322) in described horizontal block (321), described horizontal block (321) is inserted in the slotted eye (3112) of rectangular block described in several (311) successively, the width of described horizontal block (321) is greater than the width of described opening (3114), and the bottom of described vertical rib (322) is fixedly connected with the top of described bulbous bow main body (1).
CN201410038440.6A 2014-01-27 2014-01-27 bulbous bow assembly Expired - Fee Related CN103723240B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201410038440.6A CN103723240B (en) 2014-01-27 2014-01-27 bulbous bow assembly

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CN103723240B true CN103723240B (en) 2016-02-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323612B (en) * 2017-06-24 2023-08-11 中船澄西船舶修造有限公司 Champagne collision device for new ship launching bulb
CN108128402B (en) * 2017-12-06 2019-12-13 浙江海洋大学 Ship bottom structure capable of reducing water flow resistance
CN110015376B (en) * 2019-04-22 2021-02-23 江苏科技大学 Self-adaptive polar navigation ship drag reduction system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99103C (en) * 1991-01-18 1997-10-10 Havre Chantiers Submersible and multihull vessel with limited transverse righting torque and lower drag
US5566634A (en) * 1995-02-22 1996-10-22 Petromanolakis; Emanuel E. Ship's stem duct with airfoil section
CN101249873B (en) * 2008-04-01 2010-06-16 周洪斌 Hydrofoil craft having hydroplane function
CN203228914U (en) * 2013-03-12 2013-10-09 韩通(上海)新能源船舶设计研发有限公司 Initiatively separating type bulbous bow
CN103241341B (en) * 2013-05-22 2016-01-20 上海交通大学 High-speed catamaran

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Termination date: 20190127