WO2013081289A1 - 스러스터 시스템 및 이를 포함하는 선박 - Google Patents
스러스터 시스템 및 이를 포함하는 선박 Download PDFInfo
- Publication number
- WO2013081289A1 WO2013081289A1 PCT/KR2012/007892 KR2012007892W WO2013081289A1 WO 2013081289 A1 WO2013081289 A1 WO 2013081289A1 KR 2012007892 W KR2012007892 W KR 2012007892W WO 2013081289 A1 WO2013081289 A1 WO 2013081289A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- canister
- ballast tank
- wire
- thruster
- thruster system
- 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.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
- B63H2025/425—Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull
Definitions
- the present invention relates to a thruster system and a ship comprising the same, and more particularly, to a retractable thruster system and a ship including the same.
- Thrust systems are used to position and control ships and offshore structures that float above water.
- the thruster system is mainly installed on or under the ship or offshore structure and rotates in the transverse or arbitrary direction to move the ship or offshore structure to the required position or maintain its current position.
- the thruster system measures the current position and performs dynamic positioning to compensate for disturbances such as tidal currents and waves, or adjusts the current position of a ship or offshore structure to dock at a port or offshore structure. It can be maintained.
- the thruster system can be divided into an omnidirectional thruster system and a tunnel thruster system.
- the omnidirectional thruster system can control the position of a ship or offshore structure through one or more propulsion control.
- Tunneled thruster systems have two degrees of freedom for lateral movement and rotation and are primarily used for berthing.
- the thruster system is installed in the lower part of the hull, thereby protruding from the lower part of the hull. Therefore, the thruster system becomes a resistor during the operation of the ship, thereby degrading the ship's operating efficiency.
- the work by the diver is essential, and thus the installation / dismantling operation of the thruster is dangerous and complicated, thereby lowering the installation / disassembly efficiency of the thruster.
- the failure of the thruster system during ship operation complicates repair work, and the thruster system protruding from the bottom of the ship makes it difficult to redock the ship's dock for hull repair.
- the retractable thruster system projects the thruster out of the hull in dynamic mode (DP mode) and pushes the thruster into the hull during operation.
- DP mode dynamic mode
- the retractable thruster system retrieves the thruster into a structure called a canister and can move the canister to a position for maintenance of the thruster.
- the retractable thruster system moves the canister through rack gears and pinion gears or moves the canister through repetitive motions of cylinders with short strokes.
- the length of the rack gear When moving the canister through rack gears and pinion gears, the length of the rack gear must be greater than the stroke of the canister. Therefore, the length of the rack gear and the height of the canister may increase. If the length of the rack gear is increased, evenness (evenness) should be kept constant, there is a problem that the installation accuracy is increased.
- the thruster system using a cylinder has a problem that the installation and dismantling of the cylinder must be repeated since the fixed position of the cylinder must be continuously changed in order to prevent an increase in the length of the cylinder lifting the canister.
- buoyancy acts on the canister, so that the weight of the canister can be less than buoyancy. In this case, a reverse load due to buoyancy may occur and the canister connected to the wire may not be lowered normally.
- the thruster system and the ship including the same is to cancel the buoyancy when the canister descends.
- the canister is installed and movable up and down in the hull, the wire controller to control the wire connected to the canister to enable the vertical movement of the canister and the canister to offset the buoyancy applied to the canister
- a thruster system may be provided that includes a ballast tank installed at and filled with water therein.
- the ballast tank may be installed in the height direction of the canister.
- the ballast tank may have one or more holes capable of inflow or outflow of water.
- the hole may be located adjacent the bottom of the ballast tank.
- the thruster system of the present invention may further include a strainer installed in the hole.
- the thruster system of the present invention may further include a pump for inflow or outflow of water into the ballast tank.
- It may further include a first pipe connected to the pump and in communication with the outside of the canister, and a second pipe connected to the pump and in communication with the inside of the ballast tank.
- It may include a strainer installed in any one or more of the first pipe and the second pipe.
- the wire controller is fixed to the hull auxiliary drum for changing the direction of the wire; Pulley for changing the direction of the wire; And it may include a hydraulic cylinder for raising or lowering the pulley.
- the wire controller is fixed to the hull auxiliary drum for changing the direction of the wire; Drum winding the wire; And it may include a motor for rotating the drum.
- the canister may include a stopper pin installed in the canister to be inserted into a groove formed at a specific position of the hull.
- the canister may further include a guide roller installed on the inner surface of the hull or the side of the canister.
- the amount of water stored in the ballast tanks may increase.
- the amount of water stored in the ballast tanks may decrease.
- a vessel including the thruster system may be provided.
- the thruster system according to the embodiment of the present invention may cancel the buoyancy applied to the canister through the ballast tank.
- FIG. 1 shows a thruster system according to an embodiment of the invention.
- FIG. 2 shows a top view of a canister of a thruster system according to an embodiment of the invention.
- FIG 3 shows another example of a thruster system according to an embodiment of the present invention.
- FIG. 4 through 6 illustrate the operation of a thruster system according to an embodiment of the invention.
- FIG. 7 shows a thruster system according to another embodiment of the present invention.
- FIG. 8 shows a thruster system according to another embodiment of the present invention.
- a thruster system according to an embodiment of the invention.
- a thruster system according to an embodiment of the present invention includes a canister 110, a wire controller 120, and a ballast tank 130.
- the thruster 111 is installed in the canister 110, and the canister 110 is movable inside the hull 113.
- the canister 110 may descend so that the thruster 111 protrudes from the lower portion of the hull 113.
- the canister 110 is raised so that the thruster 111 may enter the hull 113.
- the canister 110 is further raised so that the thruster 111 may be completely exposed out of the water surface.
- the wire controller 120 controls the wire 121 connected to the canister 110 to enable the canister 110 to move up and down.
- the wire controller 120 moves the canister 110 connected to the wire 121 up and down by pulling or releasing the wire 121. A detailed description of the wire controller 120 will be made later with reference to the drawings.
- the ballast tank 130 is installed inside the canister 110 to cancel the buoyancy applied to the canister 110 when the canister 110 moves below the water surface. As described above, when the canister 110 descends below the water surface, if buoyancy is greater than gravity applied to the canister 110, the downward force of the canister 110 may be difficult because the tensile force acts on the wire 121. In order to reduce the influence of this buoyancy seawater is introduced into the ballast tank 130 when the canister 110 is lowered.
- the trunk 113 which is part of the hull, may serve as a moving passage for lifting the canister 110.
- a drive motor 115 for driving the thruster 111 is installed inside the canister 110.
- One or more wire controllers 120 are installed between the trunk 113 and the canister 110.
- the wire controller 120 may include one or more hydraulic cylinders 123, pulleys 125, and an auxiliary drum 127.
- Pulley 125 is installed at the rod end of the hydraulic cylinder (123).
- One end of the wire 121 is fixed to the bottom of the deck (117) installed on the upper portion of the trunk (113).
- the wire 121 passes through the pulley 125 and is connected to the side end of the canister 110 via the auxiliary drum 127. Therefore, when the wire 121 of the hydraulic cylinder 123 is pulled down and the wire 121 is pulled up, the canister 110 is raised. When the rod of the hydraulic cylinder 123 is raised, the pull of the wire 121 is released and applied to the canister 110. The canister 110 descends according to the gravity being.
- the hydraulic cylinder 123 Since the hydraulic cylinder 123 has a maximum load when the rod is pulled, there is no influence on the buckling, and the moving distance of the canister 110 can be secured by double the stroke of the hydraulic cylinder 123 by the pulley 125 at the rod end. have.
- a guide roller 119 is installed at a side of the trunk 113 and supports an outer surface of the canister 110. Unlike the embodiment of the present invention, the guide roller 119 may be installed on the outer side of the canister 110 and guide the inner side of the trunk 113.
- a stopper 118 may be installed to secure the canister 110 in a designated position.
- the stopper 118 may be installed at any position outside the trunk 113 and may include a stopper pin 118a and a groove 118b.
- the limit sensor (not shown) installed above the canister 110 senses the stop position of the canister 110, the canister 110 is stopped and the stopper pin 118a is advanced by hydraulic pressure to a structure such as the groove 118b. Is inserted. Accordingly, the stopper pin 118a is fastened to the groove 118b.
- the stopper 118 may be installed at a position where each of the dynamic position maintenance mode, the transition mode, and the maintenance is performed, and thus the canister 110 may be fixed at the required height in each mode.
- the wire controller 120 controls the pulling or releasing of the wire 121, including the hydraulic cylinder 123, but instead of the hydraulic cylinder 123 and the pulley 125, the winch system of FIG. ) 310 may control the pulling or releasing of the wire 121.
- the winch system 310 winds the wire 121 around the cylindrical drum 311 to raise or lower the canister 110.
- the motor 313 rotates the drum 311.
- the driving of the motor 313 is controlled through a sensor (not shown) that senses an amount of winding the wire 121 on the drum 311, so that the canister 110 may stop at a stop position. have.
- the ballast tank 130 has a space for storing water, such as seawater, the ballast tank 130 may be installed in the height direction of the canister 110.
- the ballast tank 130 may have a partition 135 that divides the space of the ballast tank 130 and the internal space of the canister 110.
- the ballast tank 130 may have one or more holes 131 capable of inflow or outflow of seawater.
- the ballast tank 130 may include a mesh sieve 133 to prevent the inflow of foreign matters such as seaweed when seawater is introduced through the hole 131.
- the sieve 133 may be installed in the ballast tank 130 area around the hole 131.
- ballast tank 130 When the canister 110 descends and the hole 131 of the ballast tank 130 is located below the water surface, water flows into the ballast tank 130 through the hole 131. Accordingly, the ballast tank 130 is filled with water to cancel the buoyancy applied to the canister 110. In addition, when the canister 110 rises, the water of the ballast tank 130 flows out through the hole 131 of the ballast tank 130.
- the canister 110 descends to the maximum and the thruster 111 protrudes out of the hull.
- seawater flows into the ballast tank 130 through the hole 131 from the time when the hole 131 of the ballast tank 130 is located below the surface of the water.
- the amount of water stored in the ballast tank 130 increases.
- the amount of seawater introduced into the ballast tank 130 also becomes maximum. Accordingly, the buoyancy applied to the descending canister 110 is canceled.
- the canister 110 when the thruster system operates in a transit mode for the operation of a ship or an offshore structure, the canister 110 is raised so that the thruster 111 is moved into the hull 113. Can enter. When the canister 110 starts to rise, the seawater in the ballast tank 130 begins to flow out through the hole 131. When the rise of the canister 110 is stopped, the seawater fills the ballast tank 130 to the height of the sea level.
- the hole 131 is located higher than the sea level and the amount of sea water in the ballast tank 130 is minimized.
- the amount of water stored in the ballast tank 130 may decrease.
- the amount of seawater in the ballast tank 130 may change according to the rising height of the canister 110.
- seawater may flow into or out of the ballast tank 130 through the hole 131, it may flow into or out of the ballast tank 130 through a pump.
- the thruster system may include a pump 510.
- the pump 510 may force seawater into the ballast tank 130.
- one of the pipes 511 and 513 connected to the pump 510 is in communication with the outside of the canister 110 and the other 513 is in communication with the inside of the ballast tank 130.
- the pump 510 draws seawater outside the canister 110 into the ballast tank 130 as the canister 110 descends. Therefore, the gravity applied to the canister 110 is increased due to the water in the ballast tank 130, so that the buoyancy generated when the canister 110 descends below the water surface may be offset.
- the pump 510 discharges seawater inside the ballast tank 130 to the outside of the canister 110 as the canister 110 rises. Therefore, as the water from the ballast tank 130 flows out, the gravity applied to the canister 110 is reduced, so that the canister 110 may be smoothly raised.
- Another embodiment of the present invention may also further include a strainer 520 for filtering foreign matter from the water sucked by the pump 510.
- the strainer 520 may be installed in the pipe 511 in communication with the outside of the canister 110 or in the pipe 520 in communication with the ballast tank 130.
- another thruster system in another embodiment of the present invention may include a ballast tank 130 with a hole 131 and a pump 510. That is, as the canister 110 descends, the external seawater may naturally flow into the ballast tank 130 through the hole 131, and the pump 510 may force the external seawater to the ballast tank 130. Inflow inside. Therefore, since a large amount of seawater can be quickly introduced into the ballast tank 130, the offset of buoyancy can also be made smoothly.
- the ballast tank 130 is in the ballast tank 130 until the hole 131 is at the sea level after the canister 110 is lowered below the water surface. No inflow
- the hole 131 of the ballast tank 130 may be located adjacent to the bottom surface of the ballast tank 130 to prevent the delay of seawater inflow. Accordingly, when the canister 110 begins to descend below the surface of the water, the inflow of seawater may be quickly performed through the hole 131.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (15)
- 스러스터가 설치되며 선체 내부에서 상하 이동가능한 캐니스터;상기 캐니스터와 연결된 와이어를 제어하여 상기 캐니스터의 상하 이동을 가능하게 하는 와이어 제어기; 및상기 캐니스터에 인가되는 부력을 상쇄시키기 위하여 상기 캐니스터에 설치되어 내부에 물이 채워질 수 있는 밸러스트 탱크를 포함하는 스러스터 시스템.
- 제1항에 있어서,상기 밸러스트 탱크는 상기 캐니스터의 높이 방향으로 설치되는 스러스터 시스템.
- 제1항에 있어서,상기 밸러스트 탱크는 물의 유입 또는 유출이 가능한 하나 이상의 홀을 포함하는 스러스터 시스템.
- 제3항에 있어서,상기 홀은 상기 밸러스트 탱크의 밑면에 인접하게 위치하는 스러스터 시스템.
- 제3항에 있어서,상기 홀에 설치된 거름망을 더 포함하는 스러스터 시스템.
- 제1항에 있어서,물을 상기 밸러스트 탱크에 유입 또는 유출시키는 펌프를 더 포함하는 스러스터 시스템.
- 제6항에 있어서,상기 펌프와 연결되어 상기 캐니스터의 외부와 연통하는 제1파이프와,상기 펌프와 연결되어 상기 밸러스트 탱크 내부와 연통하는 제2파이프를 더 포함하는 스러스터 시스템.
- 제7항에 있어서,제1파이프 및 제2파이프 중 어느 하나 이상에 설치되는 거름망을 포함하는 스러스터 시스템.
- 제1항에 있어서,상기 와이어 제어기는상기 선체에 고정되어 상기 와이어의 방향을 전환하는 보조 드럼;상기 와이어의 방향을 전환하는 도르래; 및상기 도르래를 상승 또는 하강시키는 유압실린더를 포함하는 스러스터 시스템.
- 제1항에 있어서,상기 와이어 제어기는상기 선체에 고정되어 상기 와이어의 방향을 전환하는 보조 드럼;상기 와이어를 감는 드럼; 및상기 드럼을 회전시키는 모터를 포함하는 스러스터 시스템.
- 제1항에 있어서,상기 캐니스터는 상기 선체의 특정 위치에 형성되는 홈에 삽입될 수 있도록 상기 캐니스터에 설치되는 스토퍼 핀을 포함하는 스러스터 시스템.
- 제1항에 있어서,상기 캐니스터의 상하 이동을 안정적으로 지지하기 위하여, 상기 선체의 내부면 또는 상기 캐니스터의 측면에 설치되는 가이드 롤러를 더 포함하는 스러스터 시스템.
- 제1항 내지 제12항 중 어느 한 항에 있어서,상기 캐니스터가 수면 아래로 하강함에 따라 상기 밸러스트 탱크에 저장된 물의 양이 증가하는 스러스터 시스템.
- 제1항 내지 제12항 중 어느 한 항에 있어서,상기 캐니스터가 상승함에 따라 상기 밸러스트 탱크에 저장된 물의 양이 감소하는 스러스터 시스템.
- 제1항 내지 제12항 중 어느 한 항에 기재된 스러스터 시스템을 포함하는 선박.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014544649A JP5826948B2 (ja) | 2011-11-30 | 2012-09-28 | スラスタシステム及びそれを含む船舶 |
| EP12854102.6A EP2786931B1 (en) | 2011-11-30 | 2012-09-28 | Thruster system and ship including same |
| US14/360,967 US9725147B2 (en) | 2011-11-30 | 2012-09-28 | Thruster system and vessel including the same |
| CN201280058275.XA CN104010939B (zh) | 2011-11-30 | 2012-09-28 | 推进器系统以及包括该推进器系统的船舶 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110126616A KR101324602B1 (ko) | 2011-11-30 | 2011-11-30 | 스러스터 시스템 및 이를 포함하는 선박 |
| KR10-2011-0126616 | 2011-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013081289A1 true WO2013081289A1 (ko) | 2013-06-06 |
Family
ID=48535703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2012/007892 Ceased WO2013081289A1 (ko) | 2011-11-30 | 2012-09-28 | 스러스터 시스템 및 이를 포함하는 선박 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9725147B2 (ko) |
| EP (1) | EP2786931B1 (ko) |
| JP (1) | JP5826948B2 (ko) |
| KR (1) | KR101324602B1 (ko) |
| CN (1) | CN104010939B (ko) |
| WO (1) | WO2013081289A1 (ko) |
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| US11220779B2 (en) * | 2016-03-08 | 2022-01-11 | Illinois Tool Works Inc. | Door-lock with door sensing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160022537A (ko) | 2014-08-20 | 2016-03-02 | 대우조선해양 주식회사 | 폴더블 스러스트 장치 및 이를 구비한 부유식 해양구조물 |
| JP2016159824A (ja) * | 2015-03-04 | 2016-09-05 | 信吉 森元 | 追加プロペラを装備する船 |
| DK3359444T3 (da) * | 2015-10-09 | 2020-08-24 | Hochschule Flensburg | Positionsændringsanordning, specielt til et fartøj |
| NL2017249B1 (en) * | 2015-10-15 | 2017-08-09 | Gustomsc Resources Bv | Retractable thruster system |
| WO2018108232A1 (en) * | 2016-12-12 | 2018-06-21 | Wärtsilä Netherlands B.V. | A lifting spindle arrangement for a retractable thruster unit of a marine vessel |
| KR101894362B1 (ko) * | 2017-02-20 | 2018-09-04 | 삼성중공업 주식회사 | 스러스터 고정 장치 |
| CN107140111B (zh) * | 2017-05-26 | 2023-09-26 | 湖北海洋工程装备研究院有限公司 | 一种安装浮箱及船体 |
| KR102503162B1 (ko) * | 2018-01-09 | 2023-02-24 | 한국조선해양 주식회사 | 해양구조물용 추진 장치 및 해양구조물 |
| KR101925367B1 (ko) * | 2018-06-15 | 2019-02-27 | 대양마린 주식회사 | 선박용 추진기의 유지보수장치 및 이를 이용한 유지보수방법 |
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| WO2010114380A1 (en) | 2009-04-03 | 2010-10-07 | Marotec A/S | Controllable propeller device of the canister type for a vessel |
| US7992275B1 (en) * | 2010-09-16 | 2011-08-09 | Thrustmaster of Texas, Inc. | Method for thruster withdrawal for maintenance or vessel transit without the need for an external crane, remote operated vehicle, or diver |
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2011
- 2011-11-30 KR KR1020110126616A patent/KR101324602B1/ko active Active
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2012
- 2012-09-28 JP JP2014544649A patent/JP5826948B2/ja not_active Expired - Fee Related
- 2012-09-28 WO PCT/KR2012/007892 patent/WO2013081289A1/ko not_active Ceased
- 2012-09-28 EP EP12854102.6A patent/EP2786931B1/en not_active Not-in-force
- 2012-09-28 US US14/360,967 patent/US9725147B2/en active Active
- 2012-09-28 CN CN201280058275.XA patent/CN104010939B/zh not_active Expired - Fee Related
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| JPH0719999Y2 (ja) * | 1989-06-20 | 1995-05-10 | 川崎重工業株式会社 | 作業船の補助推進器 |
| KR20010108293A (ko) * | 1999-03-03 | 2001-12-07 | 글로벌 마린 인코포레이티드 | 고 수축 가능형 해양 스러스터 |
| JP2001058599A (ja) * | 1999-08-23 | 2001-03-06 | Mitsubishi Heavy Ind Ltd | スラスタ昇降装置 |
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| US11220779B2 (en) * | 2016-03-08 | 2022-01-11 | Illinois Tool Works Inc. | Door-lock with door sensing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104010939B (zh) | 2016-11-09 |
| CN104010939A (zh) | 2014-08-27 |
| EP2786931A1 (en) | 2014-10-08 |
| EP2786931A4 (en) | 2015-12-09 |
| JP5826948B2 (ja) | 2015-12-02 |
| KR101324602B1 (ko) | 2013-11-01 |
| JP2014534124A (ja) | 2014-12-18 |
| EP2786931B1 (en) | 2018-04-18 |
| US20140341734A1 (en) | 2014-11-20 |
| US9725147B2 (en) | 2017-08-08 |
| KR20130060519A (ko) | 2013-06-10 |
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