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1. 发明专利

JP2008114710A Device for reducing frictional resistance of hull 有权
标题翻译：降低船体摩擦阻力的装置
公开(公告)号：JP2008114710A
公开(公告)日：2008-05-22
申请号：JP2006299555
申请日：2006-11-02
申请人： National Maritime Research Institute , 独立行政法人海上技術安全研究所
发明人： KAWASHIMA HIDEMIKI , MAKINO MASAHIKO , HINATSU MUNEHIKO , KODAMA YOSHIAKI , KAWASHIMA HISANOBU , HORI TOSHIFUMI , ONAWA MASASHI , SAKOTA MOTOYUKI
IPC分类号： B63B1/38
CPC分类号： Y02T70/122
摘要： PROBLEM TO BE SOLVED: To provide a device capable of sufficiently reducing the friction resistance of a hull during the navigation while rationally feeding a high-pressure gas for generating bubbles by providing a bubble generation unit for allowing a large number of bubbles to flow along a lower side of a ship bottom during the navigation on a forward bottom part, and preventing deviation of the bubbles from the ship bottom surface to the sides thereof during the rolling of the hull.
SOLUTION: In a forward part, a gas chamber 2 formed inboard the ship bottom is divided into a plurality of divisions 2a in the width direction of the ship bottom. A bubble jet port is formed in a hull shell plating part 1a corresponding to each division 2a to jet bubbles of the high-pressure gas to be fed from an air compressor 8. The feed of the high-pressure gas to each division 2a is controlled based on information from a rolling sensor for unifying the distribution of the bubbles along the ship bottom shell plating, and a pair of right and left bubble holding plates 15 are protruded from a lower side of the ship bottom in order to prevent sidewise leakage of the bubbles during the rolling of the hull.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在导航期间充分降低船体的摩擦阻力的装置，同时通过提供用于允许大量气泡的气泡产生单元合理地供给用于产生气泡的高压气体在前部底部部分的导航期间沿船底部的下侧流动，并且在船体的滚动期间防止气泡从船底表面到其侧面的偏移。解决方案：在前部，形成在船底的内部的气室2在船底的宽度方向上分成多个分区2a。气体喷射口形成在对应于每个分割部2a的壳体电镀部分1a中，以喷射从空气压缩机8供给的高压气体的气泡。控制每个部分2a的高压气体的供给基于来自滚动传感器的信息，用于统一沿着船底壳板的气泡分布，并且一对左右气泡保持板15从船底的下侧突出，以防止侧面泄漏在船体滚动期间的气泡。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008143345A Hull frictional resistance reduction device 有权
标题翻译：机身电阻降低装置
公开(公告)号：JP2008143345A
公开(公告)日：2008-06-26
申请号：JP2006332486
申请日：2006-12-08
申请人： National Maritime Research Institute , 独立行政法人海上技術安全研究所
发明人： KAWASHIMA HIDEMIKI , KAWASHIMA HISANOBU , HINATSU MUNEHIKO , KODAMA YOSHIAKI , MAKINO MASAHIKO , HORI TOSHIFUMI , ONAWA MASASHI , SAKOTA MOTOYUKI
IPC分类号： B63B1/38
CPC分类号： Y02T70/122
摘要： PROBLEM TO BE SOLVED: To provide a hull frictional resistance reduction device capable of efficiently making a bubble flow for reducing hull frictional resistance flow rearward along an outer face of a bottom shell by synergistic action of gas which is pressed into water from bottom part openings without bottom plates of gas chambers in a bow bottom part and relatively flows rearward and gas holding plates along bottom both side parts, without providing a bubble generation part, such as a conventionally used bottom plate having a large number of small holes and a mesh, as a means for making a bubble flow flow rearward along a bottom lower face during sailing.
SOLUTION: In the bow bottom part, the gas chambers 2a capable of emitting gas downward are aligned in the beam direction, and a high-pressure gas supply source 8 connected to the gas chambers 2a via gas flow rate control parts D and piping 3 is provided. Inside of the gas chambers 2a is opened into water via the bottom part openings without bottom plates, and baffle plates 16 receiving jets from the piping 3 are provided inside the gas chambers 2a.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种船体摩擦阻力减小装置，其能够有效地制造气泡流动，以通过从底部压入水中的气体的协同作用沿着底壳的外表面向后减小船体摩擦阻力不具有弓形底部的气室的底板的部分开口，并且相对地沿着底部的两侧部向后流动气体保持板，而不设置气泡产生部分，例如常规使用的具有大量小孔的底板和作为在航行期间使气泡流动沿着底部下表面向后流动的手段。解决方案：在弓形底部，能够向下发射气体的气室2a沿射束方向排列，高压气体供给源8通过气体流量控制部分D和提供管道3。气室2a的内部经由没有底板的底部开口被打入水中，并且在气室2a内部设置有从管道3接收喷气的挡板16。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008013128A Hull friction resistance reduction device 有权
标题翻译：高耐摩擦力降低装置
公开(公告)号：JP2008013128A
公开(公告)日：2008-01-24
申请号：JP2006188385
申请日：2006-07-07
申请人： National Maritime Research Institute , 独立行政法人海上技術安全研究所
发明人： KAWASHIMA HIDEMIKI , HINATSU MUNEHIKO , KODAMA YOSHIAKI , KAWASHIMA HISANOBU , HORI TOSHIFUMI , MAKINO MASAHIKO , ONAWA MASASHI , SAKOTA MOTOYUKI
IPC分类号： B63B1/38
CPC分类号： Y02T70/122
摘要： PROBLEM TO BE SOLVED: To provide a device capable of sufficiently performing reduction of friction resistance of a hull in navigation while accomplishing rationalization of feeding of a high pressure gas for bubble generation by dispersingly performing arrangement of a local gas chamber provided in a vessel width direction for jetting the bubble from a bubble jetting port in a hull outer plate surface of a vessel bottom part in a vessel longitudinal direction and by suitably performing feeding of the high pressure gas to respective division chambers in rolling of the hull by dividing the respective gas chambers to a plurality of division chambers over the vessel width direction.
SOLUTION: The gas chambers 2 formed in a vessel over a width direction of the vessel bottom part are arranged so as to be dispersed in the vessel longitudinal direction and are divided to the plurality of division chambers 2a over the width direction of the vessel bottom part. The bubble jet ports are formed on the hull outer plate portions corresponding to the respective division chambers 2a and jet the bubble of high pressure gas fed from a compressor. For uniformity of distribution of the bubble along the outer plate of the vessel bottom, feeding of the high pressure gas to the respective division chambers 2a is controlled based on information from a rolling sensor of the hull.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够充分降低导航中的船体的摩擦阻力的装置，同时通过分散地执行设置在气缸中的局部气室的布置来实现用于产生气泡的高压气体的供给的合理化容器宽度方向，用于从容器底部的船体外板表面中的气泡喷射口沿容器纵向方向喷射气泡，并且适当地通过将所述高压气体通过划分所述船体的滚动各个气室到容器宽度方向上的多个分隔室。解决方案：形成在容器底部的宽度方向上的容器中的气室2被布置成在容器纵向方向上分散，并且沿着容器底部的宽度方向分隔成多个分隔室2a 船底部。气泡喷射口形成在对应于各个分隔室2a的船体外板部分上并喷射从压缩机供给的高压气体的气泡。为了沿着容器底部的外板分布气泡的均匀性，基于来自船体的滚动传感器的信息来控制高压气体向相应的分隔室2a的供给。版权所有（C）2008，JPO＆INPIT

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