WO2017163394A1 - 船舶及び船舶の清掃方法 - Google Patents
船舶及び船舶の清掃方法 Download PDFInfo
- Publication number
- WO2017163394A1 WO2017163394A1 PCT/JP2016/059571 JP2016059571W WO2017163394A1 WO 2017163394 A1 WO2017163394 A1 WO 2017163394A1 JP 2016059571 W JP2016059571 W JP 2016059571W WO 2017163394 A1 WO2017163394 A1 WO 2017163394A1
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- WIPO (PCT)
- Prior art keywords
- water
- propulsion device
- ship
- ballast
- exposed
- 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
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/06—Cleaning devices for hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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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
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
-
- 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
- B63B39/12—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude for indicating draught or load
-
- 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
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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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
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/40—Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2207/00—Buoyancy or ballast means
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
Definitions
- the present invention relates to a ship and a method for cleaning a ship.
- Non-Patent Document 1 when a ship is docked and a propellant is cleaned, a great deal of cost is required. In addition, it is conceivable to suppress the deterioration of fuel consumption by shortening the interval of entering, or by frequently performing underwater cleaning, etc. was there.
- the present invention has been made against the background of the above-described problems, and an object thereof is to provide a ship and a ship cleaning method that suppresses a decrease in propulsion efficiency of a propulsion device while improving fuel efficiency as compared with the conventional technique. .
- the ship of the present invention is a ship provided with a ballast tank for accumulating ballast water, and includes a propulsion device and water ejection means, and the water ejection means has at least part of the propulsion device exposed from the water surface. In this case, water is ejected toward the propulsion device.
- the ship cleaning method of the present invention is a ship cleaning method including a ballast tank for storing ballast water, the step of discharging ballast water stored in the ballast tank, and the ballast water stored in the ballast tank. And ejecting water toward the propulsion device when at least a part of the propulsion device is exposed from the water surface.
- the water jetting means jets water toward the propulsion device when at least a part of the propulsion device is exposed from the water surface. For this reason, it is possible to clean the propulsion device without entering the ship, and it is not necessary to consider the possibility that the momentum of water ejected from the water ejection means is attenuated as in the case of cleaning the propulsion device underwater. Therefore, a reduction in propulsion efficiency of the propulsion device can be suppressed while improving fuel efficiency as compared with the prior art.
- FIG. 2 is a sectional view taken along line XX in FIG. It is a figure which shows the state which at least one part of the propulsion device 1 of the ship 100 which concerns on Embodiment 1 of this invention exposed from the water surface. It is a figure which shows an example of aged deterioration with the time passage of the propulsion device 1 of the ship 100 which concerns on Embodiment 1 of this invention.
- Embodiment 1 FIG.
- the size relationship of each component may be different from the actual one.
- the same reference numerals denote the same or equivalent parts, and this is common throughout the entire specification.
- the forms of the constituent elements shown in the entire specification are merely examples, and are not limited to these descriptions.
- FIG. 1 is a side view of a ship 100 according to Embodiment 1 of the present invention.
- FIG. 2 is a partially enlarged view of FIG.
- FIG. 3 is a plan view of the ship 100 according to Embodiment 1 of the present invention.
- 4 is a sectional view taken along line XX in FIG.
- the ship 100 includes a propulsion device 1, a water ejection unit 2, a nozzle 3, a ballast tank 10, a state detection unit 20, a control unit 50, and a pump (not shown). And).
- the outer shell of the ship 100 is composed of a main body 100A.
- the propulsion device 1 is a member for advancing the ship 100 in a desired direction.
- the propulsion device 1 includes a motor (not shown) and a propeller (not shown) driven by the motor, and is used to propel the ship 100 in a desired direction.
- the propulsion device 1 is provided, for example, below the one end side in the longitudinal direction of the main body 100A.
- the longitudinal direction of the main body 100A indicates, for example, the traveling direction (retracting direction) of the ship 100.
- the one end side in the longitudinal direction of the main body 100 ⁇ / b> A indicates, for example, the bow (stern) side of the ship 100.
- FIG. 1 shows an example in which the propulsion device 1 is provided below the stern side of the main body 100A.
- the water ejection means 2 is, for example, a device that ejects high-pressure water, and is provided, for example, inside the main body 100A (inboard) or on the inner surface (top) of the main body 100A.
- the nozzle 3 is a member for cleaning the propelling device 1, for example.
- One nozzle 3 may be provided, or a plurality of nozzles 3 may be provided.
- the nozzle 3 is provided with a jet (not shown) for discharging water inside the main body 100A.
- the nozzle 3 is provided above the propelling device 1, for example.
- the nozzle 3 is provided so as to be able to inject, for example, high-pressure water ejected from the water ejecting means 2 or high-pressure water mixed with an abrasive to the propelling device 1.
- the ballast tank 10 is a container for storing ballast water, and a plurality of ballast tanks 10 are provided inside the main body 100A.
- the ballast tank 10 is loaded with ballast water for adjusting draft and front / rear inclination (trim) according to the amount of luggage.
- a plurality of ballast tanks 10 are provided, for example, at the upper and lower parts in the main body 100A.
- a plurality of ballast tanks 10 are provided on both sides of the main body 100A in a plan view of the main body 100A.
- the ballast tank 10 is provided at, for example, four corners in the longitudinal section of the main body 100A.
- the water in the ballast tank 10 is discharged by a pump, for example.
- the pump is for discharging ballast water stored in the ballast tank 10.
- a pump is provided for each ballast tank 10.
- the state detection means 20 detects, for example, whether or not at least a part of the propulsion device 1 is exposed from the water surface.
- the state detection means 20 is comprised by the liquid level detection means which detects the draft state of the propelling device 1, for example.
- the liquid level detection means is attached in the vicinity of the propulsion device 1, and is provided, for example, at the upper end of the propulsion device 1. Only one liquid level detecting means may be provided as shown in FIG. 2, or a plurality of liquid level detecting means may be provided in the height direction of the propelling device 1.
- the state detection means 20 demonstrated the example comprised by a liquid level detection means, it is not limited to this.
- the state detection unit 20 may be configured by an imaging unit that images the propulsion unit 1.
- the control means 50 controls the propulsion device 1, the water ejection means 2, the nozzle 3, and the pump (not shown).
- the control means 50 is configured by, for example, hardware such as a circuit device that realizes this function, or software executed on an arithmetic device such as a microcomputer or a CPU.
- the control unit 50 controls the water ejection unit 2 based on the detection result of the state detection unit 20. Further, the control means 50 controls the angle of the nozzle 3.
- the control means 50 controls the position of the nozzle 3.
- the ballast water stored in the ballast tank 10 is, for example, a water discharge means (not shown) provided in the main body 100A by a person (hereinafter sometimes referred to as an operator) who gets on the ship 100. It is discharged by operating.
- the operator discharges the ballast water stored in the ballast tank 10 located on the most stern side of the main body 100A from the center in the front-rear direction of the main body 100A.
- the operator discharges the ballast water stored in the ballast tank 10 located on the bow side of the main body 100A with respect to the ballast tank 10 on the most stern side of the main body 100A with respect to the center in the front-rear direction of the main body 100A.
- the operator discharges the ballast water stored in the ballast tank 10 located on the stern side of the main body 100A from the center of the main body 100A in the front-rear direction of all the ballast tanks 10.
- ballast water stored in the ballast tank 10 may be discharged, for example, by the control means 50 controlling the pump.
- the control means 50 controls the pump so as to sequentially discharge the ballast water stored in the ballast tank 10 located on the stern side of the main body 100A from the center in the front-rear direction of the main body 100A.
- the ballast water is inclined upward from the bow side of the main body 100A toward the stern side from the center in the front-rear direction of the main body 100A.
- the propulsion device 1 is exposed from the water surface, for example, as shown in FIG.
- ballast water stored in the ballast tank 10 positioned on the stern side of the main body 100A from the center in the front-rear direction of the main body 100A has been described, but is not limited thereto.
- water stored in any ballast tank 10 among the plurality of ballast tanks 10 inside the main body 100A may be discharged. Further, it is desirable to calculate in advance the relationship between the discharge amount of ballast water stored in the plurality of ballast tanks 10 and the inclination angle of the main body 100A.
- FIG. 5 is a view showing a state in which at least a part of the propulsion device 1 of the boat 100 according to Embodiment 1 of the present invention is exposed from the water surface.
- the main body 100 ⁇ / b> A is inclined upward as it goes from the bow to the stern, and at least a part of the propulsion device 1 is exposed from the water surface.
- the operator directly looks at the propulsion device 1 and determines whether or not at least a part of the propulsion device 1 is exposed from the water surface.
- the operator determines that at least a part of the propelling device 1 is exposed from the water surface
- the operator operates the water discharging means so as not to discharge the ballast water inside the ballast tank 10, thereby The angle of 100A is fixed.
- the control unit 50 controls the water ejection unit 2 to eject water toward the propulsion unit 1.
- cleaning of the propelling device 1 is executed.
- the ballast water stored in the ballast tank 10 is continuously discharged without starting the cleaning of the propulsion device 1.
- the control unit 50 may determine whether or not at least a part of the propulsion device 1 is exposed from the water surface based on the detection result of the state detection unit 20. In this case, the control means 50 does not discharge the ballast water in the ballast tank 10 when it is determined that at least a part of the propulsion device 1 is exposed from the water surface based on the detection result of the state detection means 20. Control the pump. Further, when the control means 50 determines that at least a part of the propulsion device 1 is exposed from the water surface based on the detection result of the state detection means 20, the high-pressure water or high-pressure water mixed with an abrasive is supplied to the propulsion device 1. The water ejection means 2 is controlled so as to be ejected.
- the control unit 50 is stored in the ballast tank 10 without starting the cleaning of the propulsion device 1. Continue discharging ballast water.
- the control unit 50 determines whether at least a part of the propelling device 1 is exposed from the water surface based on imaging data captured by the imaging unit every predetermined time. Determine whether or not. And the control means 50 spouts water toward the propelling device 1 when it determines with at least one part of the propelling device 1 exposed from the water surface based on the imaging data imaged by the imaging means every predetermined time. Thus, the water jetting means 2 is controlled. Moreover, the control means 50 does not start cleaning of the propulsion device 1 when it is determined that at least a part of the propulsion device 1 is not exposed from the water surface based on the imaging data imaged by the imaging means every predetermined time.
- the determination as to whether or not at least a part of the propulsion device 1 is exposed from the water surface is not limited to being performed by the control means 50 as described above.
- the operator may check the imaging data captured by the imaging means and determine whether at least a part of the propulsion device 1 is exposed from the water surface.
- control unit 50 causes the water jetting unit 2 to jet water while the propulsion unit 1 is rotated, so that the surface of the propulsion unit 1 is removed. to clean up. Further, when at least a part of the propulsion device 1 is exposed from the water surface, the control means 50 cleans the surface of the propulsion device 1 by controlling the angle and position of the nozzle 3, for example.
- control means 50 determines whether the cleaning of the propelling device 1 is completed. Specifically, the control means 50 determines whether or not a predetermined time has elapsed from the time when water is ejected from the water ejecting means 2. When it is determined that the predetermined time has elapsed, the control unit 50 controls the water ejected from the water ejection unit 2 to be stopped. When it is determined that the predetermined time has not elapsed since the time when the water is ejected from the water ejecting means 2, the control means 50 continues to clean the propelling device 1.
- control unit 50 determines whether or not to end cleaning depending on whether or not a predetermined time has elapsed from the time when water is ejected from the water ejection unit 2. Although described, it is not limited to this.
- the operator may determine whether or not to complete the cleaning of the propulsion device 1 by directly viewing the propulsion device 1. Specifically, for example, when the operator determines that a predetermined amount or more of microorganisms and dust attached to the propulsion device 1 are attached, cleaning of the propulsion device 1 is continued. Also, specifically, for example, when the operator determines that marine creatures or the like attached to the propulsion device 1 are attached in less than a predetermined amount, the cleaning of the propulsion device 1 is terminated.
- control means 50 may determine whether or not to end the cleaning of the propulsion device 1 based on the imaging result of the imaging means. Specifically, for example, when the control unit 50 determines that marine creatures and the like attached to the propulsion device 1 are adhered to a predetermined amount or more, the control unit 50 continues cleaning the propulsion device 1. More specifically, for example, when the control unit 50 determines that marine creatures or the like attached to the propulsion device 1 are attached in less than a predetermined amount, the cleaning of the propulsion device 1 is terminated.
- FIG. 6 is a diagram illustrating an example of aged deterioration of the propulsion device 1 of the ship 100 according to the first embodiment of the present invention over time.
- the horizontal axis of FIG. 6 shows the operational years of the ship 100
- the vertical axis of FIG. 6 shows the deterioration degree of the efficiency of the propulsion device 1 of the ship 100.
- the dotted line in FIG. 6 has shown the secular deterioration of the propelling device in the case where the ship is docked and the propelling device is cleaned as in the conventional case.
- the continuous line in FIG. 6 has shown aged deterioration of the propulsion device 1 which concerns on Embodiment 1 of this invention.
- t in FIG. 6 has shown the time when the ship 100 is docked as an example.
- the propulsion device 1 When marine creatures or the like adhere to the propulsion device 1, the propulsion device 1 is fouled and the efficiency of the propulsion device 1 gradually deteriorates.
- the propulsion efficiency of the propulsion device is as shown by the dotted line in FIG.
- the propulsion efficiency of the propulsion device 1 is as shown by the solid line in FIG. 6, and the performance of the propulsion device 1 is higher than that of the conventional one. It can be seen that it can be maintained.
- the ship 100 is a ship 100 including the ballast tank 10 that stores ballast water, and includes the propulsion device 1 and the water ejection means 2, and the water ejection means 2. Ejects water toward the propulsion device 1 when at least a portion of the propulsion device 1 is exposed from the water surface. For this reason, the propulsion device 1 can be cleaned without bringing the ship 100 into the water, and the possibility that the momentum of water ejected from the water ejection means 2 is attenuated as in the case of cleaning the propulsion device 1 in water is taken into consideration. There is no need. Therefore, it is possible to suppress a decrease in the propulsion efficiency of the propulsion device 1 while improving the fuel efficiency as compared with the conventional case. In this way, it is possible to suppress a decrease in the propulsion efficiency of the propulsion device 1 while reducing the amount of greenhouse gas emissions compared to the conventional case.
- a member constituting the ship 100 may be a body to be cleaned, the nozzle 3 may be provided in the vicinity of the body to be cleaned, and water may be ejected to the body to be cleaned through the nozzle 3.
- the case where at least one part of the propulsion device 1 is exposed from the water surface as conditions for controlling the water ejection means 2 so that the control means 50 ejects water toward the propulsion device 1 is an example.
- the present invention is not limited to this. From the viewpoint of improving the cleanability, the upper half of the propulsion unit 1 is exposed from the water surface as a condition for controlling the water ejection unit 2 so that the control unit 50 ejects water toward the propulsion unit 1. It is more preferable that the propulsion unit 1 is exposed from the water surface as a condition for controlling the water ejection unit 2 so that the control unit 50 ejects water toward the propulsion unit 1.
- propulsion device 1 propulsion device, 2 water ejection means, 3 nozzles, 10 ballast tanks, 20 state detection means, 50 control means, 100 ship, 100A main body.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
以下、図面に基づいて本発明の実施の形態について説明する。なお、以下の図面では各構成部材の大きさの関係が実際のものとは異なる場合がある。また、図1を含め、以下の図面において、同一の符号を付したものは、同一又はこれに相当するものであり、このことは明細書の全文において共通することとする。さらに、明細書全文に表わされている構成要素の形態は、あくまでも例示であって、これらの記載に限定されるものではない。
このため、船舶100を入渠させないで推進器1を清掃することができ、水中において推進器1を清掃する場合のように水噴出手段2から噴出される水の勢いが減衰する可能性を考慮する必要もなくなる。したがって、従来よりも燃費を向上しつつ推進器1の推進効率の低下を抑制することができる。このようにして、従来よりも温室効果ガスの排出量を減少させつつ推進器1の推進効率の低下を抑制することができる。
Claims (5)
- バラスト水を溜めるバラストタンクを備えた船舶であって、
推進器と、
水噴出手段と、を備え、
前記水噴出手段は、前記推進器の少なくとも一部が水面から露出した場合に、前記推進器に向かって水を噴出する
船舶。 - 前記水噴出手段を制御する制御手段を備え、
前記制御手段は、
前記推進器の少なくとも一部が水面から露出した場合に、前記推進器に向かって水を噴出するように前記水噴出手段を制御する
請求項1に記載の船舶。 - 前記推進器の喫水状態を検出する液面検出手段又は前記推進器を撮像する撮像手段で構成される状態検出手段を備え、
前記制御手段は、
前記状態検出手段の検出結果に基づいて前記推進器の少なくとも一部が水面から露出した場合に、前記推進器に向かって水を噴出するように前記水噴出手段を制御する
請求項2に記載の船舶。 - 前記制御手段は、
前記バラストタンクに溜められたバラスト水が排出されて前記推進器の少なくとも一部が水面から露出した場合に、前記推進器に向かって水を噴出するように前記水噴出手段を制御する
請求項2又は請求項3に記載の船舶。 - バラスト水を溜めるバラストタンクを備えた船舶の清掃方法であって、
前記バラストタンクに貯められたバラスト水を排出する工程と、
前記バラストタンクに溜められたバラスト水を排出して推進器の少なくとも一部が水面から露出した場合に前記推進器に向かって水を噴出する工程と、を有する
船舶の清掃方法。
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PCT/JP2016/059571 WO2017163394A1 (ja) | 2016-03-25 | 2016-03-25 | 船舶及び船舶の清掃方法 |
KR1020177024019A KR101941809B1 (ko) | 2016-03-25 | 2016-03-25 | 선박 및 선박의 청소 방법 |
CN201680014487.6A CN107709154A (zh) | 2016-03-25 | 2016-03-25 | 船舶及船舶的清理方法 |
JP2017540303A JP6505238B2 (ja) | 2016-03-25 | 2016-03-25 | 船舶及び船舶の清掃方法 |
TW105116419A TWI630148B (zh) | 2016-03-25 | 2016-05-26 | 船舶及船舶的清掃方法 |
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KR (1) | KR101941809B1 (ja) |
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Cited By (1)
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CN112191591A (zh) * | 2020-09-27 | 2021-01-08 | 瑞安斌团电子科技有限公司 | 一种船舶螺旋桨自主清洁装置 |
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- 2016-03-25 JP JP2017540303A patent/JP6505238B2/ja not_active Expired - Fee Related
- 2016-03-25 CN CN201680014487.6A patent/CN107709154A/zh active Pending
- 2016-03-25 WO PCT/JP2016/059571 patent/WO2017163394A1/ja active Application Filing
- 2016-03-25 KR KR1020177024019A patent/KR101941809B1/ko active IP Right Grant
- 2016-05-26 TW TW105116419A patent/TWI630148B/zh not_active IP Right Cessation
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CN112191591A (zh) * | 2020-09-27 | 2021-01-08 | 瑞安斌团电子科技有限公司 | 一种船舶螺旋桨自主清洁装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201733856A (zh) | 2017-10-01 |
TWI630148B (zh) | 2018-07-21 |
KR20170121189A (ko) | 2017-11-01 |
JPWO2017163394A1 (ja) | 2018-03-29 |
JP6505238B2 (ja) | 2019-04-24 |
KR101941809B1 (ko) | 2019-01-23 |
CN107709154A (zh) | 2018-02-16 |
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