Alerta

RECIPROCATING OSCILLATING ENERGY HARVESTER

Absstract of: US20260298192A1

Various examples are provided related to reciprocating oscillating energy harvesters. In one example, a reciprocating oscillating energy harvester includes an energy converter; a tether engaged with the energy converter; and a drag body coupled to an end of the tether. The drag body can adjust force applied to the tether by changing surface area or profile of the drag body within a fluid flow, where the energy converter oscillates in response to variation of the surface area or profile of the drag body. The energy harvester can include a second drag body coupled to the tether.

SYSTEM FOR GENERATING ELECTRICAL ENERGY

Absstract of: WO2026202271A1

The present invention provides a system for generating electrical energy, the system comprising: a hydraulic cylinder comprising a piston housing and a piston, wherein one of the piston and the piston housing is configured to move with a floating structure and the piston is configured to move relative to the piston housing when the floating structure moves; a hybrid cylinder comprising: a hydraulic portion comprising a hydraulic piston housing and a hydraulic piston, wherein the hydraulic portion of the hybrid cylinder is in fluidic communication with the hydraulic cylinder; and a pneumatic portion comprising a pneumatic piston housing and a pneumatic piston, wherein the hydraulic piston and pneumatic piston are configured to move together; and a generator in fluidic communication with the pneumatic portion of the hybrid cylinder, wherein movement of the pneumatic piston is configured to generate electrical energy in the generator.

WIND-SOLAR-WAVE SYNERGISTIC DISPATCHABLE POWER GENERATION DEVICES

Absstract of: US20260298202A1

0000 Disclosed is a wind-solar-wave synergistic dispatchable power generation device and method. The method includes: determining a current sea state based on environmental data collected in real time by a sensor module; performing intelligent switching or synergistic operation of a photovoltaic power generation module, a wind power generation module, and a wave power generation module based on the current sea state, and storing solar energy, wind energy, and wave energy in an energy storage module; when the obtained current sea state meets an extreme sea state condition, controlling a buoyancy adjustment module to activate a protection mode, closing the photovoltaic power generation module and the wind power generation module, adjusting the housing to submerge to a safe depth, and simultaneously switching to the wave power generation module for independent power generation by the wave power generation module; and when the collected environmental data meets a release condition, releasing the protection mode, adjusting the housing to ascend to a sea surface, and the intelligent dispatching module restoring a normal dispatching and power generation function.

MINIATURE WAVE ENERGY POWER GENERATION-BASED AGITATED VESSEL PASSIVE WIRELESS SENSING SYSTEM AND METHOD

Absstract of: WO2026199886A1

The present invention relates to a miniature wave energy power generation-based agitated vessel passive wireless sensing system and method. The system comprises a float floating on the liquid surface inside an agitated vessel, and an energy acquisition module, a multi-parameter sensor module, a wireless transmission module and a dynamic positioning device which are arranged on the float. The energy acquisition module converts kinetic energy of an agitated water flow into electric energy by means of an energy conversion mechanism, and stores the electric energy in an energy storage unit. The multi-parameter sensor module comprises a plurality of different types of sensors encapsulated in a ceramic substrate. The wireless transmission module uses a LoRa-PHY hybrid protocol to perform wireless communication with a remote server. The dynamic positioning device controls the relative distance between the float and agitator impellers on the basis of ultrasonic ranging. The energy storage unit supplies power to the multi-parameter sensor module, the wireless transmission module, and the dynamic positioning device.

A WAVE ENERGY CONVERTER SYSTEM

Absstract of: US20260298191A1

This invention relates to a wave energy converter system (1) which is comprised of fenders (10) attached to marine man-made structure (M), such as breakwater/offshore platform/barge/buoy etc., by a link structure (3) and converts 5 the wave motion to clean electricity by direct drive electrical generators attached to said link structure (3).

SYSTEM FOR GENERATING ELECTRICITY FROM NON-DIRECTIONAL WATER MOVEMENT

Absstract of: EP4560133A1

A system (99, 199, 299) for generating electricity from water movement, comprising: a generator (3) configured to generate electricity, the generator comprising a stator (16) and a rotor (13), wherein the rotor is arranged around the stator, comprises a plurality of blades (21) extending radially outwards from an outer surface (13a) of the rotor, wherein the blades are configured to be moved by the water movement, wherein each blade: comprises a main body (11), comprises a first wing (10) extending from the main body at a first wing angle (101), comprises a second wing (12) extending from the main body at a second wing angle (121), wherein the first wing angle is different from the second wing angle.

潮汐能发电设备的高强韧耐蚀涡轮机叶片轴及其制造方法

Absstract of: CN122833393A

针对现有的潮汐能发电设备的涡轮机叶片轴在长期苛刻海洋环境下服役时面临的耐腐蚀性能不足，焊接性能不足，强度和韧性不足等问题，本发明提供一种潮汐能发电设备的高强韧耐蚀涡轮机叶片轴及其制造方法。本发明通过创新的微合金化设计（Cr:17.0%~18.5%，Mo:2%~3%，Ni:10.00%~14.00%，V:0.05%~0.15%，Nb:0.03%~0.08%，N:0.1%~0.2%）、稀土元素(La+Ce)改性及全流程组织精准调控，使钢材自身同时具备超高强度、高韧性、卓越的耐海水腐蚀性、焊接性能以及高抗疲劳性能。

一种导流罩式自适应偏航的潮流能发电装置

Absstract of: CN122834414A

本发明涉及海洋能源利用技术，旨在提供一种导流罩式自适应偏航的潮流能发电装置。该装置包括由上至下依次布置的承载基座、旋转传动模块和导流罩，发电模块固定在导流罩的水平段，导线穿过旋转传动模块后在承载基座中与电滑环相连。本发明通过构建导流罩‑轮机一体化的被动偏航能量捕获方式，将偏航功能从附加机构转化为导流罩几何诱导的水动力响应。既能自适应跟随潮流方向变化偏航，让水流始终以最佳角度驱动轮机，提升发电率，又能减少故障点，适配长期无人值守的远海观测平台的供能场景。

轮船波浪窝旋喷气发动机

Absstract of: CN122834417A

本发明提供轮船波浪窝旋喷气发动机，涉及船舶动力工程及海洋可再生能源利用领域。该轮船波浪窝旋喷气发动机，由第一船体、第二船体、第一气电发生器、第二气电发生器、第一空气储存器、第二空气储存器、电力储存器和气电喷气执行器组成，第一气电发生器、第二气电发生器与第一空气储存器、第二空气储存器上下连接，第一空气储存器、第二空气储存器分别挂在第一船体、第二船体的两侧。该发动机利用波浪到达双船体的时间差驱动缸筒与活塞往复运动产生压缩空气，同时带动发电轮旋转发电，实现零能耗、零污染、永久续航。

一种双层开孔沉箱式振荡水柱波浪能收集装置及设计方法

Absstract of: CN122834419A

本发明提出了一种双层开孔沉箱式振荡水柱波浪能收集装置及设计方法，涉及海岸工程技术领域。针对现有技术中难以兼顾结构简洁、宽频适配与波能高效利用的问题，本发明提供的双层开孔沉箱式振荡水柱波浪能收集装置包括沉箱箱体、前层格室、后层格室、隔板和振荡水柱发电组件；前层格室与后层格室设置在沉箱箱体内，均与沉箱箱体的振荡腔相连通，双层隔室均设置进水孔；隔板设置在两格室之间，隔板上设置通孔，通孔尺寸适配波浪频率变化，通孔用于通过或节流水体，使两格室耦合振荡或独立振荡；振荡水柱发电组件收集前层格室和后层格室振荡时产生的波浪能，将波浪能转换为电能。本发明装置结构简洁，且具有宽频适配与波能高效利用的优点。

一种可收放气囊式摆臂波浪能发电装置及使用方法

Absstract of: CN122834418A

本发明提出一种可收放气囊式摆臂波浪能发电装置及使用方法，涉及海洋可再生能源开发与利用技术领域。解决传统刚性浮体重量大、俘获效率低、极端海况结构易受损的问题。它包括机组箱，一侧与外部浮式平台的侧壁相连，另一侧的外壁设有回转铰支座；伸缩摆臂一端与气囊浮子相连，另一端与回转铰支座铰接且设有第一齿轮；机组箱内部设置有加速式单向传动齿轮箱、电动发电机和气泵；第一齿轮、加速式单向传动齿轮箱、电动发电机依次传动连接；气泵与气囊浮子相连通；驱动机构安装在机组箱的外壁，位于回转铰支座上方，用于驱动锁止件在锁止状态与解锁状态转换。该装置可执行常规海况持续俘能发电、极端海况主动收拢避险等功能。

一种波浪能发电装置分段式能量管理方法及系统

Absstract of: CN122844358A

本发明提出了一种波浪能发电装置分段式能量管理方法及系统，涉及波浪能发电技术领域。针对现有技术中动力电与控制电未进行电气隔离分段管理导致系统可靠性较差，以及固定预测时间窗口无法在长期低能态下有效捕捉短期瞬时能量窗口导致能量利用效率较低的问题，本发明通过将电能分别充入电气隔离的动力供电电池组和控制供电电池组，控制动力供电电池组的通断实现分段独立供电；预测发电量低于预设下限阈值时判定进入长期低能态，切换预测时间窗口以捕捉瞬时能量窗口，当预测发电量高于预设上限阈值时恢复预测时间窗口；优化发电机励磁控制，在长期低能态下动态唤醒动力设备，提高了在复杂海况下的能量利用效率和长期自主运行可靠性。

一种海浪发电装置

Absstract of: CN122834416A

一种海浪发电装置所属领域为新能源电力领域。其作用目的是收集海浪的势能和瞬时浮力做为动力，进行生产清洁的、可持续的绿色电能。原理是利用海浪的上推力来推动做功浮体上移，通过球头、导柱、链条等部件将动力传至涡卷储能装置，由涡卷储能装置的独立输入，独立输出特性，向发电机组传输稳定动力。主体和做功浮体内部可充当储气室，多余电力可转换为压缩空气储存。主要用途：用于海上收集海浪的动能，并将动能转换为稳定的电能。

一种裙摆式波浪能及风光渔集成发电养殖平台

Absstract of: CN224805715U

本实用新型公开了一种裙摆式波浪能及风光渔集成发电养殖平台，属于海洋可再生能源开发与渔业养殖技术领域，包括养殖平台主体、设置在养殖平台主体上部的风机、波浪能板和光伏组件、设置在养殖平台主体中部的养殖网箱和设置在养殖平台主体下部的锚泊装置；养殖平台主体包括中央立柱、设置在中央立柱两端的圈梁、连接圈梁与中央立柱的横梁和连接两个圈梁的边柱和设置在相邻边柱；风机设置在中央立柱上；波浪能板为裙摆式，均匀布置在养殖平台主体上部圈梁外缘；波浪能板内部设置能量转换装置和储能装置。本实用新型能够实现风能、太阳能、波浪能的高效协同利用，并结合海洋养殖功能，提高海洋空间资源开发的综合效益。

一种抗冲击的湖泊堤坝

Absstract of: CN224813059U

本实用新型涉及堤坝技术领域，尤其涉及一种抗冲击的湖泊堤坝。其技术方案包括堤坝主体、固定板和缓冲转板，所述堤坝主体外表面固定安装有固定板，所述固定板上表面两侧位置处均固定安装有转动座，两个所述转动座之间转动安装有转动轴，且转动轴的两端分别位于两个转动座内部，所述转动轴外表面靠近两端位置处均固定连接有扭簧，且扭簧末端连接于转动座内壁，所述缓冲转板下表面固定安装有滑动管，且滑动管滑动套接于转动轴外表面，所述滑动管两端均固定连接有螺旋弹簧，且螺旋弹簧螺旋缠绕于转动轴外表面。本实用新型能够提高湖泊堤坝迎水坡面的抗湖水冲击能力，有效避免因护坡材料剥落而引发的堤坝安全隐患。

一种浮子阵列及杠杆支点可调的双向波浪能采集装置

Absstract of: CN224813915U

本实用新型公开了一种浮子阵列及杠杆支点可调的双向波浪能采集装置，属于波浪能发电技术领域。该装置包括搭载平台、俘能装置、杠杆转换装置和波能转换装置。所述俘能装置通过多向转动机构与杠杆转换装置的一端铰接，其包括浮子阵列安装盘和多个可拆卸地安装于其上不同位点的陀螺型浮子，形成可调阵列。所述杠杆转换装置的杠杆支点位置可调地安装于搭载平台上，其另一端与波能转换装置的拉杆传动连接。波能转换装置采用低摩擦滑动密封圈和导向环结构。本发明通过可调的浮子阵列和杠杆支点，自适应匹配不同波况，并利用杠杆转换装置和独立的液压缸驱动机构，捕获纵向和横向波浪能；通过低摩擦密封结构和导向环，显著减少机械损耗，提高能量转换效率；特别适用于低能量密度的波浪环境，显著提高了能量捕获和转换效率。

ディフューザ、発電装置、及び水流発電システム

Absstract of: JP2026064942A

To provide a diffuser, a power generator, and a water flow power generation system capable of increasing a power generation amount by accelerating the flow of a water flow.SOLUTION: A diffuser for water flow power generation, which is a diffuser for discharging a water flow flowing in from a first opening portion from a second opening portion larger than the first opening portion, the diffuser including a diameter-enlarged portion connecting an edge of the first opening portion and an edge of the second opening portion, an intake portion having an arc-shaped lip formed on an outer edge of the first opening portion, and a flange orthogonal to a central axis connecting centers of the first opening portion and the second opening portion from an outer edge of the second opening portion toward an outer side.SELECTED DRAWING: Figure 1

一种基于多源能量协同俘获的自供电智能海洋浮标

Absstract of: CN122830880A

本发明是一种基于多源能量协同俘获的自供电智能海洋浮标，包括浮标主体轴结构、波浪运动转换舱、机械储能飞轮、能量管理单元、电磁感应及压电梁俘能舱、风‑光俘能结构及外壳。风能机构、太阳能电池板分别俘获风、光能，振荡浮子换向齿轮组驱动转换舱俘获波浪能；电磁感应与压电梁模块转换机械能，经全波整流、超级电容储能及飞轮调节稳定供电。优点：（1）多源互补俘能，提高供电稳定性；（2）电磁压电协同转换，提高机械能利用率；（3）整流储能与飞轮调节，稳定非稳态电能；（4）高密度聚乙烯结构件与表面强化高性能合金钢传动件兼顾耐腐蚀、强度和轻量化。支持北斗卫星通信，适用于海洋通信、环境监测及感知，减少外部供电及人工维护。

一种全向自供电浮标装置及方法

Absstract of: CN122844545A

0001 本发明属于海洋浮标技术领域，公开了一种全向自供电浮标装置及方法，通过以立轴为中心呈放射状阵列布置的水翼捕获全向流体动能，水流驱动水翼带动立轴旋转，驱动发电组件产生电能，同时水翼的振动通过连杆与角钢传递至压电片，使其形变并基于压电效应将振动机械能转化为电能。本装置实现了在宽流速范围及不同水深条件下的高效、稳定能量俘获，克服了传统浮标供能方式受环境制约、能量来源单一及流速适应窄的缺陷，显著提升了浮标长期自供电的可靠性，降低了运维成本，增强了其在复杂海况下的生存能力与设备搭载潜力。

Control de flotabilidad de turbomáquinas

Absstract of: US20250264084A1

0000 A hydrokinetic turbine systems are disclosed. Such systems may include (a) a submersible rotor assembly comprising a housing, the housing defining a chamber and at least one opening configured to allow water to flow in and out of the chamber, a buoyancy mechanism disposed in the chamber, and one or more vanes extending from the housing; (b) a generator; and (c) a shaft, operably coupled to the rotor assembly and the generator to transmit rotational force from the rotor assembly to the generator. Rotor assemblies for use in these systems and methods of using the systems are also disclosed.

波力エネルギー変換装置および波力エネルギー変換装置の使用方法

Absstract of: WO2025054673A1

Embodiment of a wave energy conversion (WEC) apparatus are disclosed. In one embodiment, a WEC apparatus (10) comprises an outer member (14) and an inner member (16). At least one of the outer member (14) and inner member (16) is configured to move in response to an incident wave regime. In use, relative motion between the outer member (14) and the inner member (16) is used to generate electrical power.

Wave Energy Converter with Deep Reference Mass and Quasi-Stationary Behavior

Inertial pneumatic wave energy device

Absstract of: NZ811010A

A buoyant wave energy device is disclosed that incorporates an open-bottomed tube of substantial length in which is partially enclosed a first body of water that oscillates in response to wave action. The device incorporates a buoy to which an upper end of the tube is connected and inside of which is trapped a second body of water of substantial mass. A differential phase in the oscillations of the water trapped in the tube, and the oscillations of the buoy of augmented mass, result in the periodic compression of a pocket of air trapped at the top of the tube, and in the subsequent expulsion of pressurized air through a turbine, thereby generating electrical power. The mass of the buoy is pumped water ballast which can adjust the volume of water in a ballast chamber.

一种深海热液温盐梯度耦合稳定供能系统及其控制方法

Absstract of: CN122812827A

本发明提供了一种深海热液温盐梯度耦合稳定供能系统及其控制方法，属于海洋可再生能源利用、深海原位发电与储能技术领域；系统包括温差能转换单元、盐差储能单元、盐差释能单元以及控制单元；温差能转换单元产生稳定基荷电力；盐差储能单元利用基荷之外的剩余电力产生高盐度溶液和低盐度溶液；盐差释能单元在高负荷需求或储能完成时释放盐差能并补充输出功率，各单元通过物质流、热流和电能流耦合，以实现热源侧缓冲、稳定基础发电、剩余电能的盐度梯度储存以及阶段性附加发电。控制方法根据净输出功率、负载需求和储液体积，在基础供电、反渗透储能及压力延迟渗透释能状态间切换，实现连续基荷供电、剩余电能储存和阶段性增功。

一种上下推摇一体式表面波与内孤立波造波装置及造波方法

Nº publicación: CN122814132A 25/09/2026

Applicant:

海南大学

Absstract of: CN122814132A

0001 本发明公开了一种上下推摇一体式表面波与内孤立波造波装置及造波方法，涉及海洋工程物理模型试验领域，本发明的技术方案包括水槽和设置于水槽内的三套推摇一体造波板；所述水槽内设置有两种上下分布的分层流体；所述水槽的两端分别为造波端和消波端；所述造波端对应上层流体设置第一套推摇一体造波板，所述造波端对应下层流体设置第二套推摇一体造波板；所述消波端对应上层流体设置第三套推摇一体造波板。通过“三套推摇一体造波板+分层流体+主动/被动消波+多模式协同控制”的整体技术方案，实现了表面波与内孤立波在同一装置中的高效、灵活、精准生成与控制。