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ROTOR HUB FOR UNDERWATER TURBINE

Absstract of: WO2025132004A1

The invention relates to a rotor hub (2) for an underwater turbine (1), comprising a rotor hub housing (202) which is designed to receive at least one rotor blade shaft (4). The rotor blade shaft (4) has a first rotor hub-side end (208), which is designed to be received in the interior (210) of the rotor hub housing (202), and a second sea-side end (207), which is designed to be rotationally fixed to a rotor blade (4). Additionally, the rotor blade shaft (4) is mounted in the rotor hub housing (202) by means of a first bearing unit (220) and a second bearing unit (230), wherein the first bearing unit (220) and the second bearing unit (230) are mutually spaced by a bearing distance (W), and the rotor hub (2) additionally has a rotor blade rotary drive device (316) comprising a rotatable driveshaft which is oriented perpendicularly to the rotor blade shafts (4) and at least one end of which is received in the interior (210) of the rotor hub housing (202), said end (208) which is received in the rotor hub housing (202) being rotationally fixed to a central drive bevel gear (314). The first end (208) of the rotor blade shaft (4) has a bevel gear (312) which interacts with the central drive bevel gear (314) such that the rotor blade shaft (4) rotates when the drive bevel gear (314) is operated.

A HINGED RAFT WAVE ENERGY CONVERSION APPARATUS AND METHOD OF USE

Absstract of: WO2025133020A1

The present disclosure provides a hinged raft wave energy conversion apparatus comprising: a first buoyant body (102); a second buoyant body (104); and a linkage mechanism (101), wherein the linkage mechanism comprises a hinge (106) and wherein the first buoyant body is hingedly connected to the second buoyant body via the hinge, such that the first and second buoyant bodies can rotate relative to each other around a first axis of rotation through a working angular range, the first axis of rotation being arranged parallel to the horizontal and transverse to the direction of wave propagation, in use, and wherein the first and second bodies extend away from the hinge in opposite directions, the linkage mechanism further comprising: a first linkage member (118) and a second linkage member (122), the first linkage member pivotably connected to the first buoyant body such that the first buoyant body and the first linkage member can rotate relative to each other around a second axis of rotation, the first linkage member further pivotably connected to the second linkage member, the second linkage member pivotably connected to the second buoyant body, wherein a rotation of the buoyant bodies relative to each other about the first axis of rotation through a first angle within the working angular range causes a rotation of the first linkage member relative to the first buoyant body around the second axis of rotation through a second angle, and wherein the magnitude of the second angle

VESSEL AND METHOD OF USE OF VESSEL

Absstract of: WO2025133606A1

A vessel comprising a first pair of first and second hulls, and a second pair of first and second hulls, the first and second hulls of each pair being connected by connecting means, said connecting means arranged to releasably receive one or more vessel modules to extend between the first and second hulls of each pair, a support structure for having a load suspended therefrom, and a load locking device serving to lock the load to the support structure, the arrangement being such that the respective pairs of the first and second hulls are spaced apart and bridged by the supporting structure.

潮流発電用教材

Absstract of: JP3251763U

【課題】潮流発電の実験に用いる潮流発電用教材を提供する。【解決手段】潮流発電用教材は、尾翼状固定翼２５が外側に取り付けられた筒状筐体２１と、その筒状筐体２１の内側に支持部材２４を介して取り付けられた発電機２３とを有し、発電機２３の円筒状筐体の一方の端部から突出した回転軸の先端にタービン状回転翼２２が挿着される。この潮流発電用教材を水槽内に配置して水流方向を切り換える実験を行い、発電機２３から発生される電力の電圧を測定して、潮流発電用教材の水流への追従特性を調べる。【選択図】図２

OFFSHORE APPARATUS FOR EXTRACTING ENERGY FROM A FLUID AND METHODS FOR ITS USE

Absstract of: AU2023331173A1

An apparatus is disclosed for extracting energy from an oscillating working fluid. The apparatus comprises a housing 50 which is positioned on a floatable support structure 120/130 that is arranged in use to float on a body of water having waves. The the housing has an internal flow passage for receiving air; and a turbine 60/70 which is disposed at the housing. A unidirectional flow of the air is drawn out of the chamber by the use of an OWC created by respective incoming and outgoing flows of waves. The unidirectional flow of the OWC acting on the turbine 60/70 is responsive to, and generated by, only one of the flows of the waves.

一种海洋垃圾清理装置

Absstract of: CN120193498A

本发明公开了一种海洋垃圾清理装置，本发明涉及海洋垃圾处理技术领域，包括空心铝块，所述空心铝块内部插装有第一桶体，所述空心铝块内部分别安装有进出水组件和支撑下压组件，所述第一桶体的一端开设有一对驱动移动组件，所述第一桶体内部开设有一对矩形通孔，所述第一桶体上端安装有滤网嵌套壳，通过多种专业软件协同来精准构建和确认模型，为后续分析提供可靠基础，实现水域表面的无人化绿色清洁，实现能源的绿色化收集及再利用，改善综合生态环境，实现绿色经济的可持续发展。

一种无限位轴转型摆式波浪能浮式风机集成装置

Absstract of: CN120193937A

本发明公开了一种无限位轴转型摆式波浪能浮式风机集成装置，属于海上发电的技术领域；包括半潜平台，所述半潜平台的中心位置设置有浮式风机，所述半潜平台包括三个浮筒，每个浮筒的底部设置系泊点，包括锚链与锚块，每个所述浮筒的内部设置有摆式波浪能装置；摆式波浪能装置包括浮筒中心柱，所述浮筒中心柱的上下两端均设置有浮筒限位，所述浮筒中心柱的外侧设置有波浪能回收装置，本发明采用上述结构，该装置中摆式波浪能装置能通过360°无限位轴转，使其能降低波浪方向的影响，在平稳海况下也可达到较高的发电效率，配合扇形动子大范围转动产生能抵抗风浪荷载的较大倾覆力矩，提高摆式波浪能浮式风机集成装置稳定性和生存能力。

一种圆形半潜式平台多臂液压海浪发电系统及发电方法

Absstract of: CN120193938A

本发明涉及一种圆形半潜式平台多臂液压海浪发电系统及发电方法，发电系统包括圆形半潜式平台、外浮体、柔性压电触手、液压臂、液压传动储能组件、发电组件和智能自动控制系统；多个液压臂沿圆形半潜式平台的周向侧面均匀排列，液压臂的一端与圆形半潜式平台铰接，液压臂的中间部分与液压缸组铰接，液压臂的另一端与外浮体连接，柔性压电触手设置于外浮体外侧且与液压臂的端部连接；外浮体底部设置旋转涡轮组叶片，外浮体内部设置高压外啮合式齿轮泵，旋转涡轮组叶片与高压外啮合式齿轮泵的输入轴连接。本发明实现了全方位波浪能的高效吸收，更为高效环保将自然海浪中蕴含的动能转化为电力。

一种基于波浪能驱动的动力转化传动装置及发电装置

Nº publicación: CN223018792U 24/06/2025

Applicant:

罗科勇

Absstract of: CN223018792U

本实用新型涉及动力转化、发电设备技术领域，公开了一种基于波浪能驱动的动力转化传动装置及发电装置，包括安装架、动力输入组件、动力转化组件、动力输出组件，安装架包括为动力输入组件提供摆动空间的安装筒，动力输入组件、动力转化组件、动力输出组件设置在安装筒上。本实用新型能够将动力输入组件受波浪推动而输入的不规则摆动动力转化为单向旋转的动力输出，高效的利用波浪能转化为动力供给发电机组进行发电；能够脱离水面作业，可以安装在船舶等在水面移动的物体上，无需将其放置在水中进行作业，有效的解决了现有设备存在的不便于移动、携带；易腐蚀且后期维护不便等问题。