WO2011118930A2 - 선박용 흔들림 감소장치 - Google Patents
선박용 흔들림 감소장치 Download PDFInfo
- Publication number
- WO2011118930A2 WO2011118930A2 PCT/KR2011/001757 KR2011001757W WO2011118930A2 WO 2011118930 A2 WO2011118930 A2 WO 2011118930A2 KR 2011001757 W KR2011001757 W KR 2011001757W WO 2011118930 A2 WO2011118930 A2 WO 2011118930A2
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- WO
- WIPO (PCT)
- Prior art keywords
- buoyancy
- hydraulic
- vessel
- hydraulic cylinder
- control plate
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
- B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
Definitions
- the present invention relates to a shake reduction device, and more particularly to a shake reduction device for a ship to suppress the pitching and rolling movement of the ship by the waves at sea.
- a bilge keel As a device for reducing the shaking of a ship, a bilge keel is generally installed.
- the bilge coil is a fin-shaped stabilizer formed on the outer surface of the hull bent portion, and the ship is pushed in the direction opposite to the center of the hull by using the area of the fin to roll the ship by waves. It will serve to reduce the rolling of.
- the conventional bilge key is mainly to play a role of suppressing the shake only for the rolling movement of the ship, do not significantly suppress the shaking of the ship as well as to suppress the pitching movement to make the passenger feel comfortable. There is a problem.
- the present invention a plurality of spaced apart on the vessel, the buoyancy member is installed to be slidable in the vertical direction and the plurality of connected to the upper end of each of the buoyancy member, a plurality receiving the movement force of the buoyancy member rising by the wave Hydraulic cylinders of the hydraulic cylinders, and the hydraulic pressure of the hydraulic cylinders are installed to be interconnected, the hydraulic pressure generated by the rise of the hydraulic cylinder in accordance with the rise of the buoyancy member located in the mountain portion of the wave, located in the valley portion of the wave It provides a vibration reduction device for a ship comprising a hydraulic connection line for suppressing the shaking of the vessel while lowering the buoyancy member while supplying to the hydraulic cylinder to increase the buoyancy.
- the buoyancy member may be disposed on the bow and stern of the vessel.
- the buoyancy member may be disposed opposite to both sides of the vessel.
- the buoyancy member may be disposed on the bottom of the vessel.
- the hydraulic cylinder is disposed between the hydraulic cylinder and the hydraulic connection line, the high pressure state hydraulic pressure of the hydraulic cylinder generated by the rise of the buoyancy member by the waves to pass through the hydraulic cylinder and the hydraulic connection line, the ship
- the hydraulic pressure due to the change in the load less than the buoyancy of the vessel, such as cargo loaded on it may include a damping valve to control the passage through the hydraulic cylinder and the hydraulic connection line.
- the attenuation valve the both ends are in communication with the hydraulic cylinder and the hydraulic connection line, respectively, a cylindrical body formed with a first catching rod and a second catching rod on the inside, the bottom and the second catching rod of the body It is installed to be slidable in the vertical direction therebetween, the first control plate is formed between the first control plate and the bottom surface of the body, the first control plate having a through hole, the first elastic member for supporting the first control plate, and the first It is installed to be slidably penetrated in the up and down direction in one catching rod, the lower end of the control rod formed with a second control plate facing the first control plate, and extrapolated to the control rod so as to be located between the second control plate and the first catching plate.
- the second control plate may include a second elastic member to block the through-holes of the first control plate.
- the elastic force of the second elastic member may be greater than the elastic force of the first elastic member.
- the vessel further includes a cylindrical guide member for guiding the buoyancy member to be moved up and down in an inserted state, and is disposed inside the guide member, and the guide member is raised when the buoyancy member is raised. It may further include a third elastic member to prevent the impact caused by the collision with.
- the apparatus for reducing ship vibration arranges a plurality of buoyancy members on a ship, and connects hydraulic cylinders interconnected by hydraulic connection lines to upper ends of the respective buoyancy members. Therefore, the high pressure hydraulic pressure generated from the hydraulic cylinder is supplied to the hydraulic cylinder located in the valley of the wave in accordance with the rise of the buoyancy member located in the mountain portion of the wave, and the buoyancy member is lowered, thereby raising the vessel's buoyancy. It is to suppress the shaking of the.
- FIG. 1 is a schematic configuration cross-sectional view of a ship shake reduction device according to an embodiment of the present invention.
- Figure 2 is a plan installation state of the ship shake reduction device according to an embodiment of the present invention.
- Figure 3 is a plan installation state of the ship shake reduction device according to another embodiment of the present invention.
- Figure 4 is a side installation state of the ship shake reduction device according to another embodiment of the present invention.
- FIG. 5 is an enlarged cross-sectional view of the damping device shown in FIG. 1.
- FIG. 1 is a schematic cross-sectional view of a ship shake reduction device according to an embodiment of the present invention
- Figure 2 is a view showing the installation state of the ship shake reduction device according to an embodiment of the present invention
- Figure 3 is another embodiment of the present invention
- the installation state of the ship shake reduction device according to. 1 to 3 the ship shake reduction apparatus includes a buoyancy member 100, a hydraulic cylinder 200, and a hydraulic connection line 300.
- the buoyancy member 100 is arranged in a plurality of vessels 10, to adjust the buoyancy of the vessel 10 in accordance with the wave.
- the buoyancy member 100 is arranged in a plurality of spaced apart from each other in a state opposite to both side portions of the vessel 10, sliding in the vertical direction to the outside or inside of the vessel 10 to be elevated according to the wave. It is possible to install. Therefore, the buoyancy member 100 located in the mountain portion of the wave as the wave is pushed to the vessel 10 is increased by the buoyancy by the wave while reducing the buoyancy of the vessel 10 by that amount.
- the buoyancy member 100 when the buoyancy member 100 is installed inside the vessel 10, the lower end of each of the buoyancy members 100 is installed so as to be in contact with the waves.
- the buoyancy member 100 may be installed to be spaced apart from each other on the bow and the stern of the outside or the inside of the vessel 10.
- the buoyancy member 100 may be installed to be spaced apart from each other inside the bottom of the vessel 10.
- the present invention is not limited thereto, and a plurality of the buoyancy members 100 may be installed in a state in which the buoyancy members 100 are spaced apart from each other around or outside the vessel 10.
- the buoyancy member 100 is installed inside the vessel 10, the lower end of each of the buoyancy member 100 is installed so as to be in contact with the wave to be opened.
- the buoyancy member 100 may have a cylindrical shape or a styrofoam in a sealed state having a space therein, but is not limited thereto to allow the vessel 10 floating on the sea to increase buoyancy. Of course, you can use it. At this time, when the buoyancy member 100 is manufactured in a closed cylindrical shape having a space portion, it may be made of metal or plastic material. In addition, in one embodiment, the buoyancy member 100 is illustrated as being formed in a square shape, but is not limited thereto and may be formed in a polygonal shape other than a circle or a square.
- the buoyancy member 100 may be installed to be movable in the vertical direction to the downwardly open cylindrical guide member 110 which is coupled to the outside of the vessel 10 is opened.
- the buoyancy member 100 can receive only the buoyancy of the wave in the vertical direction, thereby enabling a stable ascent.
- a third elastic member 120 may be provided on the inner upper surface portion of the guide member 110. That is, the third elastic member 120 is disposed between the inner upper surface portion of the guide member 110 and the upper end of the buoyancy member 100, the guide member 110 when the buoyancy member 100 is raised. Do not generate an impact due to a collision.
- the third elastic member 120 is shown as using a spring, but is not limited to this can be selectively used having an elastic force, of course.
- the hydraulic cylinder 200 receives the movement force of the buoyancy member 100 which is raised by the wave.
- the hydraulic cylinder 200 is installed at the upper end of each of the buoyancy members 100. That is, the rod end of the hydraulic cylinder 200 is coupled to the upper end of the buoyancy member 100, when the buoyancy member 100 is raised by the waves, the hydraulic cylinder 200 is the buoyancy member While receiving the upward movement force of the 100, the piston (not shown) therein is raised and the internal hydraulic pressure is increased.
- the hydraulic connection line 300 is the hydraulic cylinder other than the hydraulic pressure is increased while the hydraulic cylinder 200 receives the upward movement force of the buoyancy member 100 by the rise of the buoyancy member 100 by the wave ( 200, the buoyancy member 100 is lowered. That is, the hydraulic connection line 300 is a high pressure hydraulic pressure generated by the rise of the piston of the hydraulic cylinder 200 according to the rise of the buoyancy member 100 located in the mountain portion of the wave, the While the piston of the hydraulic cylinder 200 is lowered while the piston is supplied to the hydraulic cylinder 200 located in the valley portion while lowering the buoyancy member 100 to raise the buoyancy of the vessel 10 while the vessel (10) Suppress) shake.
- the hydraulic connection line 300 is a pipe member that connects each of the hydraulic cylinders 200 to one line so that the hydraulic pressure is guided through the same line. Therefore, the hydraulic pressure that is in a high pressure state by the hydraulic cylinder 200 that operates in response to the rising of the buoyancy member 100 as the position of the mountain portion of the wave is the other hydraulic pressure through the hydraulic connection line 300 While the buoyancy member 100 is lowered while being supplied to the cylinder 200, that is, the hydraulic cylinder 200 located at the valley of the wave, the buoyancy force of the vessel 10 at that position is increased, thereby the vessel (10) to keep level.
- a damping valve 400 may be provided between the hydraulic connection line 300 and each of the hydraulic cylinders 200.
- the attenuation valve 400 sends and receives only the hydraulic pressure generated by the buoyancy member 100 with the other hydraulic cylinder 200 through the hydraulic connection line 300, and loads the cargo loaded on the vessel 10.
- the low hydraulic pressure by the external force such as to block the hydraulic pressure is circulated through the hydraulic connection line 300, to prevent the shaking of the vessel 10 can be amplified. That is, the attenuation valve 400 is opened by a low pressure difference for the high pressure hydraulic pressure flowing in the direction of the hydraulic cylinder 200 from the hydraulic connection line 300.
- the damping valve 400 includes a body 410, a first control plate 420, a first elastic member 430, a control rod 440, and a second elastic member 440.
- the body 410 is a cylindrical member that is in communication with each of the hydraulic cylinder 200 and the hydraulic connection line 300, respectively. That is, referring to FIG. 1, the upper end of the body 410 is communicatively coupled with the hydraulic connection line 300, and the lower end is communicatively coupled with the hydraulic cylinder 200.
- the first hook 411 is formed on the inner upper end of the body 410 to guide the control rod 440 in the vertical direction.
- a second hook 412 is formed at an inner lower end of the body 410 to prevent the first adjusting plate 420 from moving upwards.
- the first control plate 420 controls the hydraulic inflow into the hydraulic cylinder 200 through the hydraulic connection line 300.
- the first control plate 420 is installed to be slidable in the vertical direction between the bottom of the body 410 and the second catch 412.
- a through hole (not shown) is formed in the center of the first control plate 420 to allow the hydraulic pressure to pass therethrough.
- the first elastic member 430 may be introduced into the hydraulic cylinder 200 only when the hydraulic pressure in the hydraulic connection line 300 is a high pressure state generated by the waves. That is, the first elastic member 430 is installed between the first control plate 420 and the bottom surface of the body 410 to support the first control plate 420. Therefore, the first control plate 420 moves downward only when the hydraulic pressure inside the hydraulic connection line 300 is greater than the elastic force of the first elastic member 430 by the first elastic member 430. At the same time, the hydraulic pressure in the hydraulic connection line 300 may be introduced into the hydraulic cylinder 200.
- the control rod 440 adjusts the hydraulic inflow into the hydraulic connection line 300 through the hydraulic pressure in the hydraulic cylinder 200.
- the control rod 440 is installed to be slidable in the vertical direction to the first catch 411.
- a plate-shaped second control plate 441 is formed at the lower end of the control rod 440 to face the first control plate 420.
- the second control plate 441 serves to open and close the through hole formed in the first control plate 420 according to the upward or downward movement of the control rod 440.
- the second elastic member 450 may be introduced into the hydraulic connection line 300 only when the hydraulic pressure inside the hydraulic cylinder 200 is in a high pressure state caused by waves. That is, the second elastic member 450 is extrapolated to the control rod 440 so as to be positioned between the second control plate 441 and the first catching rod 411 to support the second control plate 441. do. Therefore, the second control plate 441 of the control rod 440 is the hydraulic cylinder 200 in a state in which the through hole in the state in close contact with the first control plate 420 by the second elastic member 430. The hydraulic pressure therein must be higher than the elastic force of the second elastic member 450 to open the through hole while moving upwards, and then the hydraulic pressure in the hydraulic cylinder 200 is introduced into the hydraulic connection line 300. To be able.
- the damping valve 400 is the elastic force of the second elastic member 450 so that the hydraulic circulation between the hydraulic connection line 300 and the hydraulic cylinder 200 can be made only when the high pressure state by the waves
- the elastic force of the first elastic member 430 is greater than that of the first elastic member 430.
- the rod of the hydraulic cylinder 200 is pushed upward by the rising of the buoyancy member 100, the hydraulic pressure inside the hydraulic cylinder 200 is increased, the control rod 440 of the attenuation valve 400 Push upwards, the hydraulic pressure is supplied to the hydraulic connection line (300).
- the hydraulic pressure of the high pressure state flowing into the hydraulic connection line 300, the first control plate of the damping valve 400 to the hydraulic cylinder 200 is located at a position where the pressure is low, that is, the valley of the wave The feed flows while pushing 420 downward. Then, the rod of the hydraulic cylinder 200 is pushed downward while moving the buoyancy member 100 downward to increase the buoyancy in the portion.
- the buoyancy member 100 located in the mountain portion of the wave reduces the buoyancy of the vessel 10 by the rise by buoyancy
- the buoyancy member 100 located in the valley portion of the wave is the wave
- the hydraulic pressure of the high pressure state generated from the buoyancy member 100 positioned in the mountain portion of the vessel 10 is lowered while being supplied from the hydraulic connection line 300 to increase the buoyancy of the vessel 10 of the vessel 10. This reduces vibration.
- the apparatus for reducing vibration of the ship may include a plurality of the buoyancy members 100 disposed on the vessel 10, and the hydraulic cylinder 200 connected to each other by the hydraulic connection line 300. It is connected to the upper end of each buoyancy member 100 is installed. Therefore, the hydraulic pressure of the high pressure state generated from the hydraulic cylinder 200 is supplied to the hydraulic cylinder 200 located in the valley of the wave as the buoyancy member 100 located in the mountain portion of the wave rises. While lowering the buoyancy member 100, while raising the buoyancy of the vessel 10 to suppress the shaking of the vessel (10).
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- Aviation & Aerospace Engineering (AREA)
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Abstract
Description
Claims (8)
- 선박에 복수개가 이격 배치되며, 상하 방향으로 슬라이딩 가능하게 설치되는 부력부재와;각 상기 부력부재의 상단부에 연결 설치되어, 파도에 의해 상승하는 상기 부력부재의 이동력을 전달받는 복수의 유압 실린더; 및,상기 유압실린더들의 유압이 상호 연결되도록 설치되어, 상기 파도의 산 부분에 위치하는 상기 부력부재의 상승에 따른 상기 유압 실린더의 상승으로 발생되는 유압을, 상기 파도의 골 부분에 위치하는 상기 유압 실린더로 공급시키면서 상기 부력부재를 하강시켜 부력을 상승되게 하면서 상기 선박의 흔들림을 억제시키는 유압연결라인을 포함하는 선박용 흔들림 감소장치.
- 청구항 1에 있어서,상기 부력부재는 상기 선박의 선수 및 선미에 배치되는 선박용 흔들림 감소장치.
- 청구항 1에 있어서,상기 부력부재는 상기 선박의 양 측면에 대향되게 배치되는 선박용 흔들림 감소장치.
- 청구항 1에 있어서,상기 부력부재는 상기 선박의 선저부에 배치되는 선박용 흔들림 감소장치.
- 청구항 1에 있어서,상기 유압 실린더와 상기 유압연결라인 사이에 배치되어, 상기 파도에 의한 상기 부력부재의 상승으로 발생되는 상기 유압 실린더의 고압상태 유압은 상기 유압 실린더와 상기 유압연결라인을 통과되게 하고,상기 선박에 적재되는 화물과 같이 상기 선박의 부력보다 작은 하중의 변화에 의한 유압은 상기 유압 실린더과 상기 유압연결라인을 통과하지 못하도록 제어하는 감쇄밸브를 포함하는 선박용 흔들림 감소장치.
- 청구항 5에 있어서,상기 감쇄밸브는,양 단부가 각각 상기 유압 실린더 및 상기 유압연결라인에 연통 결합되며, 내측에는 제1걸림대 및 제2걸림대가 형성된 통 형상의 몸체와,상기 몸체의 저면과 상기 제2걸림대 사이에 상하방향으로 슬라이딩 가능하게 설치되며, 중앙에 통공이 형성된 제1조절판과,상기 제1조절판과 상기 몸체의 저면 사이에 설치되어, 상기 제1조절판을 지지하는 제1탄성부재와,상기 제1걸림대에 상하방향으로 슬라이딩 가능하게 관통 설치되며, 하 단부에는 상기 제1조절판에 마주보는 제2조절판이 형성된 제어로드 및,상기 제2조절판과 상기 제1걸림대 사이에 위치하도록 상기 제어로드에 외삽 설치되어, 상기 제2조절판이 상기 제1조절판의 통공을 막도록 하는 제2탄성부재를 포함하는 선박용 흔들림 감소장치.
- 청구항 6에 있어서,상기 제2탄성부재의 탄성력은 상기 제1탄성부재 탄성력보다 큰 선박용 흔들림 감소장치.
- 청구항 1 또는 청구항 5에 있어서,상기 선박에는 각각의 상기 부력부재가 삽입된 상태로 상하방향으로 이동되게 가이드하는 통 형상의 가이드부재를 더 구비하며,상기 가이드부재의 내측에 배치되어, 상기 부력부재의 상승시 상기 가이드부재와의 충돌에 의한 충격이 발생되지 않게 하는 제3탄성부재를 더 포함하는 선박용 흔들림 감소장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/389,510 US8695523B2 (en) | 2010-03-25 | 2011-03-14 | Apparatus for reducing pitching and rolling motion of vessel |
JP2013501179A JP5657774B2 (ja) | 2010-03-25 | 2011-03-14 | 船舶用振動減少装置 |
CN201180003307.1A CN102596710B (zh) | 2010-03-25 | 2011-03-14 | 用于减少船体倾斜和翻转运动的装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0026893 | 2010-03-25 | ||
KR1020100026893A KR101166627B1 (ko) | 2010-03-25 | 2010-03-25 | 선박용 흔들림 감소장치 |
Publications (2)
Publication Number | Publication Date |
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WO2011118930A2 true WO2011118930A2 (ko) | 2011-09-29 |
WO2011118930A3 WO2011118930A3 (ko) | 2012-01-26 |
Family
ID=44673944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2011/001757 WO2011118930A2 (ko) | 2010-03-25 | 2011-03-14 | 선박용 흔들림 감소장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8695523B2 (ko) |
JP (1) | JP5657774B2 (ko) |
KR (1) | KR101166627B1 (ko) |
CN (1) | CN102596710B (ko) |
WO (1) | WO2011118930A2 (ko) |
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CN104554647B (zh) * | 2014-12-29 | 2016-09-14 | 宁波市镇海捷登应用技术研究所 | 一种自平衡防浪船 |
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CN107559373B (zh) * | 2017-08-08 | 2019-06-25 | 武汉理工大学 | 一种船尾激震力衰减装置 |
KR101984914B1 (ko) * | 2017-11-03 | 2019-05-31 | 삼성중공업 주식회사 | 상하동요 저감장치를 갖는 반잠수식 해양구조물 |
CN108032968B (zh) * | 2017-12-06 | 2019-09-24 | 定远县中林机械技术有限公司 | 一种主动平衡防浪船控制系统及控制方法 |
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CN108657380A (zh) * | 2018-06-28 | 2018-10-16 | 武汉理工大学 | 一种大型海船床位减摇装置 |
CN109211451B (zh) * | 2018-09-11 | 2020-09-04 | 水利部交通运输部国家能源局南京水利科学研究院 | 一种水力驱动式升船机系统摩擦力测量方法 |
CN111688883B (zh) * | 2020-07-01 | 2021-03-23 | 福建海电运维科技有限责任公司 | 一种海上风电运维船顶靠力评估方法 |
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- 2011-03-14 US US13/389,510 patent/US8695523B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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WO2011118930A3 (ko) | 2012-01-26 |
JP5657774B2 (ja) | 2015-01-21 |
KR101166627B1 (ko) | 2012-07-18 |
CN102596710B (zh) | 2015-12-16 |
US20120137946A1 (en) | 2012-06-07 |
KR20110107645A (ko) | 2011-10-04 |
US8695523B2 (en) | 2014-04-15 |
JP2013523510A (ja) | 2013-06-17 |
CN102596710A (zh) | 2012-07-18 |
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