CN106080988B - A kind of more body arctic navigation ships - Google Patents
A kind of more body arctic navigation ships Download PDFInfo
- Publication number
- CN106080988B CN106080988B CN201610732745.6A CN201610732745A CN106080988B CN 106080988 B CN106080988 B CN 106080988B CN 201610732745 A CN201610732745 A CN 201610732745A CN 106080988 B CN106080988 B CN 106080988B
- Authority
- CN
- China
- Prior art keywords
- ship
- ice
- ballast tank
- tail portion
- water
- 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.)
- Active
Links
Classifications
-
- 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
- B63B35/08—Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor
- B63B35/083—Ice-breakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Traffic Control Systems (AREA)
- Vibration Prevention Devices (AREA)
- Navigation (AREA)
Abstract
The invention discloses a kind of more body arctic navigation ships, including multiple Ship Structures, the Ship Structure includes Baltic bow structure, cargo component, stem ballast tank, tail portion ballast tank, side ballast tank and cabin, the Ship Structure top is equipped with superstructure, and the tail portion of the Ship Structure is equipped with multiple propellers.It is interconnected by pipeline between the stem ballast tank and tail portion ballast tank, between the ballast tank of side, and water (flow) direction is controlled by solenoid valve and ballast pump between each other.Traditional single hull ice-breaking mode is changed to multiple hull ice-breaking by this ship, substantially increases the ice-breaking capacity when ice navigation of polar region and flexibility；Expand ice-breaking region simultaneously convenient for ship, to hew out safer navigation area.Stem molded line reduces the main engine power needed for ice navigation by optimization.
Description
Technical field
The invention belongs to vessel designs technical fields, and in particular to a kind of arctic navigation ship of multiple hull construction.
Background technology
With global warming, arctic ice sheet gradually melts, and is increased year by year by the ship of Chukchi Sea.Polar region navigation channel
Traditional Suez navigation channel voyage shortens dramatically relatively, and commercial value is constantly excavated by shipping industry.Exploitation is suitble to pole
The ship of ground navigation becomes more and more important.Polar region marine environment is severe, and the ice sheet floated on sea causes the safety of ship serious
It threatens.
Traditional ice formation ship squeezes ice sheet by high-power host, the high thrust of propeller offer, stem, collides repeatedly
Etc. modes ice sheet is crushed, to realize the function of ice navigation.But the waters opened up is limited, the maneuverability of ship is still
It is subject to certain restrictions.In the case of ice condition is more serious, the ice-breaking capacity of ship cannot play completely, ship safety by
Larger threat.
Invention content
Goal of the invention：The purpose of the present invention is to solve deficiencies in the prior art, provide a kind of more body arctic navigations
Traditional single hull ice-breaking mode is changed to multiple hull ice-breaking, substantially increases the ice-breaking when ice navigation of polar region by ship, the ship
Ability and flexibility；Expand ice-breaking region simultaneously convenient for ship, to hew out safer navigation area.
Technical solution：A kind of more body arctic navigation ships of the present invention, including multiple Ship Structures, the Ship Structure
Including Baltic bow structure, cargo component, stem ballast tank, tail portion ballast tank, side ballast tank and cabin, the hull knot
Structure top is equipped with superstructure, and the tail portion of the Ship Structure is equipped with multiple propellers；
The Ship Structure uses slender body, and length and the width ratio of Ship Structure are 5 ~ 8：1, streamlined symmetrical knot
Structure, and waterline is in nearby V-shape structure；
The outside plate of the Ship Structure is reinforced in different range：Using high-order ice formation water line and low level ice formation
Outside plate is divided into different zones by water line, and the ice bank region between high-order ice formation water line and low level ice formation water line carries out
Different degrees of reinforcement reinforces method using plate thickness is increased, and the spacing for reducing lateral aggregate is to increase the quantity of lateral aggregate,
Outside plate uses the high strength steel of H ranks, shell envelope framing that transverse system, inside framework is used to use longitudinal framing.
The Baltic bow structure uses bilateral symmetry, and the first column of underwater is oblique, and internal and outer
Portion is all made of reinforced structure, and plate thickness is compared normal shipboard with web and be increased；
It is interconnected by pipeline between the stem ballast tank and tail portion ballast tank, between the ballast tank of side, and phase
Water (flow) direction is controlled by solenoid valve and ballast pump between mutually.
Further, the Baltic bow structure waterline first column below and baseline are in 30 ° of angles.
Further, the Baltic bow structure is additionally provided with skates near water line.
Further, the propeller uses catheter type propeller.
Further, the propeller is installed on the tail portion of port and starboard outermost hull, the propeller or is installed on
The propeller of the tail portion of middle hull, middle hull tail portion can be conventional propeller, ducted propeller, water hanging cabin propeller driving etc.
It is one such.
Further, the superstructure is located on main hull structure, is the workspace and living area of crewman；Driver's cabin cloth
The top layer in superstructure is set, is the working region for grasping ship personnel, driver's cabin extends to hull both wings, and uses totally-enclosed knot
Structure.
Further, the shell of the Baltic bow structure uses high-strength low-allow steel plate, Baltic bow structure
Inside use transversum structure type, i.e., panel short side is along captain direction, long edge beam direction, and is adopted when certain altitude
It is supported with longitudinally arranged section components.
Further, the Ship Structure side is additionally provided with propeller.
Further, which has good ice formation stability：Metacentric height is more than 0.5m or more, freeboard deck edge
The margin line of 150mm is not also submerged when lateral inclination occurs in ship under the action of floating ice under line；Good damaged stability：When
It is final after ship immersion after ice sheet collision causes cabin damage and water inflow when deck in ship structure, exposure hatchcover etc. are by snow and ice cover
Waterline, which is located at, to include air hose, ventilation by the lower section for any opening lower edge for continuing to soak downwards that is open, the opening
Cylinder and the opening closed with weathertight door or weathertight cover, and initial metacentric height of the ship under Riddled Condition is always just
Value.
The invention also discloses a kind of above-mentioned icebreaking methods of more body arctic navigation ships to pass through pressure when ship needs ice-breaking
It carries pump and the water in stem ballast tank is evacuated to tail portion ballast tank, so that stem is tilted, then rush to ice sheet, then in the ballast tank of tail portion
Water be evacuated to stem ballast tank, the weight by water crushes ice sheet, repeatedly collide ice sheet realize ice-breaking；
Adjusting the water level of left and right sides side of a ship ballast tank with ballast pump simultaneously makes ship be swung left and right, and the ice sheet on both sides is crushed.
Advantageous effect：A kind of more body arctic navigation ships provided by the invention, the stem structure of multiple hulls all have brokenly
Ice ability coordinates catheter type propeller during navigation, can expand the water surface area after ice-breaking, improve the behaviour of ice navigation
Vertical property and safety.There is propulsion cabin inside stern, so that power-equipment and crewman's Working Life region is isolated, effectively to press down
Influence of the vibration noise of control equipment to crewman.
Description of the drawings
Fig. 1 is the side schematic view of the present invention；
Fig. 2 is the schematic cross section of the present invention；
Fig. 3 is that the more body arctic navigation ships of the present invention pass through the schematic diagram before adjusting head and the tail ballast water ice-breaking；
Fig. 4 is that the more body arctic navigation ships of the present invention pass through the schematic diagram after adjusting head and the tail ballast water ice-breaking；
Fig. 5 is schematic diagram of the more body arctic navigation ships of the present invention by adjusting left and right ballast water ice-breaking.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below with reference to accompanying drawings and embodiments,
The present invention is described in more detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of disclosed more body arctic navigation ships, are made of, hull is mainly wrapped multiple hulls
Include ice-breaking forepart construction 1, cargo component 2, stem ballast tank 3 and tail portion ballast tank 4, cabin 5, the catheter type propeller 6 of tail portion,
Superstructure 7.
The hull is asthenic watertight cabin structure, and the streamlined structure of hull is symmetrically arranged.The ice-breaking ball
The first column of first structure design underwater is oblique, and with baseline about at 30 ° of angles, inside carries out structural strengthening.The hull knot
The outside plate of structure is reinforced in different range：Outside plate is divided into using high-order ice formation water line and low level ice formation water line
Different zones, the ice bank region between high-order ice formation water line and low level ice formation water line have carried out different degrees of reinforcement,
Reinforcement method is using plate thickness is increased, and the spacing for reducing lateral aggregate is to increase the quantity of lateral aggregate, and outside plate uses the height of H ranks
Strength steel, shell envelope framing use transverse system, inside framework to use longitudinal framing.The ice-breaking forepart construction uses top slat iron
Formula, rib cage arrangement is more close, has been longitudinally arranged strong girder, such as T profile.Bow plate uses low temperature resistant high-strength steel sheet, energy
Resist the low temperature environment of polar region.
As shown in Figure 1, the ice-breaking forepart construction 1 is additionally provided with skates 8 near designed draft line.3 He of stem ballast tank
It is interconnected respectively by the first solenoid valve 102 and the first ballast pump 103 between tail portion ballast tank 4.
As shown in Fig. 2, catheter type propeller 6 is installed on the quarter of port and starboard outermost hull, protect propeller not by
The shock of floating ice.Preferably, intermediate hull can also install propeller, and propeller can be conventional propeller, conduit spiral
Paddle, water hanging cabin propeller driving etc. are one such.Left side ballast tank 9 and right side ballast are further respectively had at left and right sides of Ship Structure
Cabin 10 is interconnected between left side ballast tank 9 and right side ballast tank 10 by second solenoid valve 202 and the second ballast pump 203.
As shown in figure 3, when ship needs ice-breaking to navigate by water, the water in stem ballast tank 3 is evacuated to by the first ballast pump 103
Tail portion ballast 4, makes stem tilt, and then rushes to ice sheet 105.Then such as Fig. 4, then the water in tail portion ballast tank 4 is evacuated to stem
Ballast tank 3, the weight by water crush ice sheet, collide ice sheet repeatedly and realize ice-breaking.
As shown in figure 5, adjusting left side ballast tank 9 and right side ballast with the second ballast pump 203 and second solenoid valve 202 simultaneously
The water level in cabin 10 makes ship be swung left and right, and the ice sheet on both sides is crushed.Expand the ice-breaking region of ship both sides, ensures that ice navigation manipulates
Performance.So that bow is pressed to ice sheet, and rely on its own gravity pressure break ice sheet, collides ice sheet repeatedly and realize ice-breaking.
It is the workspace and living area of crewman as shown in Figure 1, the superstructure 7 is located on the main hull structure, far
It disembarks cabin 5, ensures the life of crewman not excessive noise and vibration.Superstructure 7 is located at bow including driver's cabin 701, behaviour
Ship person there's is unobscured, and blind area is smaller, ensures for avoiding ice sheet in time in the polar region environment navigation of ice condition complexity
Safe navigation is more important.Such as Fig. 2, for driver's cabin 701 in the top layer of superstructure 7, driver's cabin extends to wingshelter arrangement,
Width arranges more than the beam, and the forward and backward face of driver's cabin and side are equipped with electrically heated glass window 702, and operator can when ship berthing
To be directed through or open windowpane observation ship side both sides and front and back ice condition and mooring situation in both sides, make ship in polar ice
There is the good visual field when berthing of area harbour.
There is more body arctic navigation ships good ice formation stability, metacentric height to be more than 0.5m or more, freeboard deck side
The margin line of 150mm is not also submerged when lateral inclination occurs in ship under the action of floating ice under edge line.Also have good broken
Cabin stability, when deck in ship structure, exposure hatchcover etc. are by snow and ice cover, after ice sheet collision causes cabin damage and water inflow, ship leaching
Final waterline after water is located at may be by the lower section for any opening lower edge for continuing to soak downwards that is open.The opening includes empty
Tracheae, ventilator and the opening closed with weathertight door or weathertight cover.Initial metacentric height of the ship under Riddled Condition
It is always positive value.
The technology contents and technical characteristic of the present invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various replacements and modification without departing substantially from the present invention, and be this patent Shen
Please claim covered.
Claims (9)
1. a kind of more body arctic navigation ships, it is characterised in that：Including multiple Ship Structures, the Ship Structure includes ice-breaking type ship
First structure, cargo component, stem ballast tank, tail portion ballast tank, side ballast tank and cabin, the Ship Structure top are equipped with upper
The tail portion of layer building, the Ship Structure is equipped with multiple propellers；
The Ship Structure uses slender body, and length and the width ratio of Ship Structure are 5~8：1, streamlined bilateral symmetry,
And waterline is in nearby V-shape structure；
The outside plate of the Ship Structure is reinforced in different range：It is absorbed water using high-order ice formation water line and low level ice formation
Outside plate is divided into different zones by line, and the ice bank region between high-order ice formation water line and low level ice formation water line has carried out not
With the reinforcement of degree, reinforce method using plate thickness is increased, the spacing for reducing lateral aggregate is to increase the quantity of lateral aggregate, outside plate
Using the high strength steel of H ranks, shell envelope framing uses transverse system, inside framework to use longitudinal framing；
The Baltic bow structure uses bilateral symmetry, and the first column of underwater is oblique, and inside and outside equal
Using reinforced structure, plate thickness is compared normal shipboard with web and be increased；
Between the stem ballast tank and tail portion ballast tank, between the ballast tank of side by pipeline be interconnected, and mutually it
Between pass through solenoid valve and ballast pump and control water (flow) direction；
The shell of the Baltic bow structure uses high-strength low-allow steel plate, the inside of Baltic bow structure to use transversum
Structure type, i.e. panel short side use longitudinally arranged type along captain direction, the long edge beam direction when certain altitude
Material component supports.
2. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The Baltic bow structure waterline
Head columns below are in 30 ° of angles with baseline.
3. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The Baltic bow structure is being eaten
Waterline is nearby additionally provided with skates.
4. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The propeller uses catheter type spiral shell
Revolve paddle.
5. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The propeller is installed on port and starboard
The propeller of the tail portion of outermost hull, the propeller or the tail portion for being installed on middle hull, middle hull tail portion is normal
It is one such to advise propeller, ducted propeller, water hanging cabin propeller driving.
6. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The superstructure is located at main hull
It is the workspace and living area of crewman in structure；Driver's cabin is arranged in the top layer of superstructure, is the workspace for grasping ship personnel
Domain, driver's cabin extends to hull both wings, and uses full-closed structure.
7. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The Ship Structure side is additionally provided with
Propeller.
8. a kind of more body arctic navigation ships according to claim 1, it is characterised in that：The ship has good ice formation steady
Property：Initial metacentric height is more than 0.5m or more, and the margin line of 150mm ship under the action of floating ice occurs under freeboard deck edge line
It is not also submerged when lateral inclination；Good damaged stability：When deck in ship structure, exposure hatchcover are by snow and ice cover, touched in ice sheet
It hits after causing cabin damage and water inflow, the final waterline after ship immersion is located at by being open under any opening that continuation is soaked downwards
The lower section of edge, the opening include air hose, ventilator and with weathertight door or the opening of weathertight cover closing, and ship
Initial metacentric height under Riddled Condition is always positive value.
9. according to a kind of icebreaking method of more body arctic navigation ships described in any one of claim 1-8, it is characterised in that：When
When ship needs ice-breaking, the water in stem ballast tank is evacuated to by tail portion ballast tank by ballast pump, so that stem is tilted, then rushes to ice
Layer, then the water in the ballast tank of tail portion is evacuated to stem ballast tank, the weight by water crushes ice sheet, and it is real to collide ice sheet repeatedly
Existing ice-breaking；Adjusting the water level of left and right sides side of a ship ballast tank with ballast pump simultaneously makes ship be swung left and right, and the ice sheet on both sides is crushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732745.6A CN106080988B (en) | 2016-08-27 | 2016-08-27 | A kind of more body arctic navigation ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732745.6A CN106080988B (en) | 2016-08-27 | 2016-08-27 | A kind of more body arctic navigation ships |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106080988A CN106080988A (en) | 2016-11-09 |
| CN106080988B true CN106080988B (en) | 2018-08-03 |
Family
ID=57225345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610732745.6A Active CN106080988B (en) | 2016-08-27 | 2016-08-27 | A kind of more body arctic navigation ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080988B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314054B (en) * | 2016-11-19 | 2018-10-02 | 南京禹智智能科技有限公司 | A kind of polar region ship multifunction module |
| CN107140107A (en) * | 2017-05-27 | 2017-09-08 | 广船国际有限公司 | Polar region deck carrier |
| JP6653724B2 (en) * | 2018-03-29 | 2020-02-26 | ジャパンマリンユナイテッド株式会社 | Ship |
| CN109110065B (en) * | 2018-08-30 | 2020-02-14 | 武汉理工大学 | Polar region multipurpose work ship based on ice prying operation |
| CN109094743B (en) * | 2018-09-19 | 2021-08-31 | 中船重工船舶设计研究中心有限公司 | Large polar region transport ship structure |
| CN109050805A (en) * | 2018-09-26 | 2018-12-21 | 蚌埠市神舟机械有限公司 | A kind of workboat for the displacement of lifting waterborne, pipeline installation and dredger |
| CN110949602A (en) * | 2018-09-27 | 2020-04-03 | 森元信吉 | Commercial ship capable of sailing in icy sea area and sailing method thereof |
| CN109466688B (en) * | 2018-10-31 | 2021-04-06 | 广船国际有限公司 | Root structure of polar region ship double-bottom ice cutter area and construction method thereof |
| CN109850084A (en) * | 2019-02-20 | 2019-06-07 | 江苏科技大学 | A kind of polar region autonomous driving three-body ice-breaking pilot boat |
| CN111114702B (en) * | 2019-12-13 | 2021-11-02 | 浙江大学 | Water floating equipment platform |
| CN112660314B (en) * | 2021-01-06 | 2022-09-09 | 自然资源部第一海洋研究所 | Marine exploration scientific investigation ship |
| CN113443069A (en) * | 2021-07-28 | 2021-09-28 | 中国舰船研究设计中心 | Bow full-closed ship type suitable for polar environment |
| CN114789776B (en) * | 2022-05-19 | 2023-04-18 | 中国船舶科学研究中心 | Ice-trapping prevention automatic control method for ice region sailing ship |
| CN116756859A (en) * | 2023-08-18 | 2023-09-15 | 南通中远海运川崎船舶工程有限公司 | Bow structure optimization design method suitable for ice area navigation container ship |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58224887A (en) * | 1982-06-25 | 1983-12-27 | Mitsubishi Heavy Ind Ltd | Trim apparatus for vessel or the like |
| JPS6112487A (en) * | 1984-06-29 | 1986-01-20 | Nippon Kokan Kk <Nkk> | Ship for frozen sea |
| FI118121B (en) * | 2005-11-08 | 2007-07-13 | Mobimar Oy | Procedure for breaking ice, power-driven ship and its use |
| WO2010102642A1 (en) * | 2009-03-10 | 2010-09-16 | Wärtsilä Ship Design Germany GmbH | Ice-breaking system for floating bodies |
| FI20110053A0 (en) * | 2011-02-16 | 2011-02-16 | Arctia Shipping Oy | A method of operating a ship in a new way and a multipurpose ship |
-
2016
- 2016-08-27 CN CN201610732745.6A patent/CN106080988B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106080988A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106080988B (en) | A kind of more body arctic navigation ships | |
| US5477797A (en) | Watercraft hull modification | |
| CN206797659U (en) | A kind of more body arctic navigation ships | |
| US3850125A (en) | Icebreaking | |
| CN102658858A (en) | Aircraft carrier, warship, submarine and offshore platform each with correcting device with high efficiency, load removal, swing stoppage and turnover resistance | |
| CN106494569A (en) | A kind of inland river large-scale energy-saving green container ship | |
| CN107249978A (en) | Using can floating offshore warehouse method | |
| US9567044B2 (en) | Semisubmersible with tunnel structure | |
| RU2483967C2 (en) | Ice-breaking system for floating bodies | |
| PL210192B1 (en) | Rescue ship for disabled vessels, vessel rescue method, and use of a rescue ship | |
| US5544610A (en) | Cargo submarine | |
| RU2535346C1 (en) | Method to break ice cover and semi-submersible icebreaker ship | |
| RU2612343C1 (en) | Semi-submersible icebreaker | |
| US20150144049A1 (en) | Buoyant, Variably Buoyant and Non-Buoyant Foil Structures for Marine Vessels and Watercraft | |
| US9193423B2 (en) | Hull configuration for submarines and vessel of the displacement type with multihull structure | |
| WO2019090956A1 (en) | Seaborne self-propelling platform for rocket launching and rocket recovery | |
| CN1376616A (en) | Submersible ship with super mobility | |
| RU2380274C1 (en) | Underwater tanker | |
| US5377613A (en) | Submersible boat | |
| JP6198232B1 (en) | Hull shape and propulsion device | |
| KR101301572B1 (en) | Water catcher device of ship's moonpool | |
| CN111891301A (en) | Multifunctional transport ship for sea, land and air | |
| RU2303553C1 (en) | Tanker | |
| RU52813U1 (en) | TANKER | |
| CN212290229U (en) | Multifunctional transport ship for sea, land and air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 901 Changjiang Road, Nantong, Jiangsu, Jiangsu Applicant after: Nantong Kawasaki COSCO Marine Engineering Company Limited Address before: No. 117 Linjiang Road, Nantong, Jiangsu Province Applicant before: Nantong COSCO KHI Ship Engineering Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |