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90
resultados
Última actualización
19/10/2024 [07:24:00]
Resumen de: US2024344495A1
A two-body wave energy converter (WEC) that utilizes components in the two bodies having variable geometry is described. The WEC includes a surface control body which includes a first variable geometry component, and a reaction control body, which includes a second variable geometry component. During operating, the two variable geometry components may be substantially inflated to enable the WEC to generate electrical energy using power-take off (PTO) components or substantially deflated to allow for load shedding or protection from intense elements.
Resumen de: US2024348124A1
A controller of a gyroscope structure associated with a floating hull and equipped with an electrical converter suitable for converting the rotational energy of the floating hull into electrical energy, the controller, receiving as input a perturbed output state including operating variables of the gyroscope structure to determine a driving signal of the electrical converter, which includesa first signal portion determined using a predictive control model of the gyroscope structure computed on the basis of the perturbed output state anda second signal portion determined using a tube convergence computed on parametric deviations of the operating variables of the perturbed output state, the parametric deviations computed with respect to the operating variables of a unperturbed output nominal state of the gyroscope structure.
Resumen de: WO2023057971A1
Electricity generation system (100), comprising: at least one electricity generation device (20, 20 ́) being re-movably fixed to a mounting device (10) formed as a floating body or as a fixed infrastructure by means of a retaining de-vice (14, 14', 15, 15'), wherein the electricity generation device (20, 20 ́) is bidirectionally symmetric and comprises a water turbine being functionally connected to a generator (24), wherein the generator (24) comprises a helical gearbox, wherein the generator (24) is a permanent magnet synchronous motor, wherein the generator (24) comprises an incremental encoder, wherein a rotation of the generator (24) is monitorable by a signal generated from the incremental encoder, wherein electrical energy is conductible via a power line (15, 15') being guided from the generator (24) via an outside of the mounting device (10), wherein the electrical energy is conductible from the mounting device (10) to a power station (50), wherein the nose and tail cones (20a, 20b, 20a', 20b') is coated by at least two layered bio fouling coatings, wherein blades (21a…21n, 21a'…21n') of the turbine are sensitive to a bi-directional water flow (A, B), wherein a power line entry point (27, 27') is arranged at a top of an enclosure (25, 25'), wherein the electricity generation device (20, 20') comprises a control panel (30), wherein the electricity generation system (100) is functionally connectable to the web (40).
Resumen de: AU2023219863A1
A structure shaped like a cylinder is developed for wave energy systems. It is particularly advantage in coping with extreme waves. (a) (b) (c) (d) Figure 1
Resumen de: AU2023248210A1
A Bidirectional Motion Combiner (BMC) is used to combine bidirectional rotations of an input shaft to obtain unidirectional rotations of an output shaft. (a) (b) (c) (d) 28o 27 2 e .D (e) Anticloc ise input cloc ise output 91i 3+ 2 8 i -(; 3- 4 2-So- 70 r
Resumen de: US2024328400A1
A long-endurance self-powered ocean buoy includes a buoy body, a power generation device and a gas bag base; the power generation device is mounted at a lower end of the gas bag base and includes a housing, a first power generation assembly, a second power generation assembly and a storage battery; the first power generation assembly includes a plurality of mutually-communicated gas chambers, hydraulic bags and control integration units. The lowest gas chamber is filled with a volatile working medium which can generate gas pressure by volatilization to drive power generation fans in turbines on a vent pipe communicating adjacent gas chambers for power generation. The second power generation assembly includes a plurality of temperature difference energy modules with one end surrounded by a phase change material and the other end in contact with the housing, so as to increase the power generation efficiency.
Resumen de: AU2023233048A1
A wave energy system based on a cylinder-shaped shell structure and wheel-like structures combined together is developed. (a) (b) (c) (d) (e) Fu Figure 1
Resumen de: AU2024219657A1
Disclosed is an apparatus that floats at the surface of a body of water over that waves pass. Passing waves, and/or the motions they impart to the apparatus as they pass, result in a net and/or effective propulsion of the apparatus in at least a first direction relative to the geometry and/or structure of the apparatus, and typically, at least in part, toward a direction from that waves approach the apparatus.
Resumen de: KR20240141957A
본 발명은 조수에 의해 일어나는 조류와 파고의 운동에너지를 조력발전기로 전달할 수 있는 조력발전용 동력전달장치에 관한 것이다. 이러한 본 발명은, 조수에 의해 일어나는 조류와 파고의 운동에너지를 조력발전기로 전달하는 동력전달장치에 있어서, 유연성을 갖는 재질로 이루어져 조력발전기의 회전자에 연결되는 동력축; 상기 동력축의 외경을 감싸도록 결합되는 코일스프링; 상기 코일스프링과 상기 동력축을 따라 소정 간격으로 고정되는 복수의 칼라; 상기 복수의 칼라에 각각 결합되어 조류와 파고에 의해 회전하는 운동에너지를 상기 동력축을 통해 상기 조력발전기의 회전자로 전달하도록 물에 반쯤 잠기는 재질로 이루어진 런너블레이드;를 포함하는 것을 기술사상으로 한다. 따라서, 본 발명은 조석 간만의 차이가 크지 않은 지역이나 수위가 깊지 않은 지역에서도 조류와 파고에 의해 회전하는 운동에너지를 조력발전기로 전달할 수 있고, 복수의 런너블레이드가 코일스프링의 탄성에 의해 함께 회전되어 큰 운동에너지를 발생시키므로 에너지의 발생을 극대화할 수 있는 매우 유용한 효과가 있다.
Resumen de: CN118705107A
本发明公开波浪发电舱，属于机械装备领域；所述发电舱包括简易和自回航波浪发电舱；其中所述简易波浪发电舱包括：利用大海波浪波动，带动漂浮在海上密封舱及舱内串联在主、次中心转轴的多个摆陀摆动,通过正向齿轮或逆向星型齿轮及单向飞轮带动中心转轴做同一方向旋转，主、次中心转轴分别通过单向飞轮、传递齿轮将力矩和动能传递到主轴汇能齿轮，再经过齿轮连接二级增速，带动发电机转轴快速旋转而发电，电能可直接通过变压器及海上电缆传输到配电总站，舱与舱可拉索成网；所述自回航波浪发电舱包括：在简易舱内增加蓄电池、自动导航智能控制仪、电动机和螺旋桨，舱体随波逐流波浪发电，蓄电池充满自回航到配电总站收集电能，实现波浪发电。
Resumen de: CN118705108A
本发明公开了基于水面波浪感知的波浪能发电系统，属于波浪能发电技术领域，包括底座、转动盘、转动机构、仰角调节机构、导流机构、波浪感知机构和锚泊系统；通过利用波浪带动波浪感知机构中的浮子进行垂向位移，通过传感器感知波浪高度，同时旋转连杆围绕底座支撑杆进行旋转移动，通过传感器感知旋转连杆旋转角速度以及旋转方向和旋转时间，进而转化为波浪波长。根据波高、周期、波长三者的关系，换算出波浪能量，并将各个方向的波浪能量进行比选，筛选出波浪能量最大的方向，并将波浪的波形传递至转动机构，使转动盘进行角度调节，通过波形图脉冲信号控制仰角调节机构，从而调节发电扇的角度使得浪向对正，便于使波浪的冲击力利用最大化。
Resumen de: CN118705106A
本发明公开了双浮子波浪能转换装置，涉及清洁能源利用领域，包括有两侧端面相贯通的浮子连杆保持架，浮子连杆保持架的内部设置有浮子连杆，浮子连杆上设置有向下延伸的浮子一和浮子二，且浮子一和浮子二分别位于浮子连杆保持架的两侧，浮子连杆上端一侧安装有连接座，连接座转动连接有传动齿条，传动齿条啮合连接有齿轮组，齿轮组布置在安装座上，安装座固定安装在浮子连杆保持架上，通过浮子一和浮子二在波浪作用下交替起伏，带动传动齿条相对于齿轮组做直线往复运动，通过齿轮组将传动齿条的直线往复运动转化为单向的周期性旋转运动。本发明双浮子与浮子连杆的连接，以实现波陡自适应的功能，使其可以在不同波陡的状况下高效地产出电能。
Resumen de: WO2024197321A2
The invention introduces a wave energy conversion system that utilizes the kinetic energy of water body waves, transforming it into usable energy. The system is innovatively designed with two buoyant bodies that, through their multi-dimensional non-parallel arrangement, form a recess optimized for capturing wave energy from. One of the system's distinctive features is its capacity to passively modify the relative orientation of the buoyant bodies, to become more parallel, in response to large wave forces, which serves to maintain stability under varying sea conditions. Concurrently, the system boasts advancements in the realm of installation and maintenance, presenting a streamlined approach that significantly alleviates the challenges traditionally associated with deploying and upkeeping marine energy converters. These aspects together underscore the system's novel contributions to enhancing the operational efficiency and sustainability of wave energy conversion technology.
Resumen de: AU2024201422A1
Abstract A wave energy device (10) comprising a post (14) located within a body of water such that an upper end of the post (14) is located above the surface of the 5 water. A buoyant member (12) is provided having a central aperture through which the post (14) is received. An upper surface of the buoyant member (12) includes recesses (26) wherein each recess (26) includes a shaft mounted to extend across the recess (26) and a wheel (22) provided on the shaft. The wheel (22) engages with an outer surface of the post (14) such that motion of 10 the buoyant member (12) relative to the post (14) caused by waves within the water causes rotation of the wheels (22) to drive generators for production of electrical energy. Fig1
Resumen de: US2024318622A1
A power generator driving device utilizing tides to form a liquid piston comprises a fixed upside-down lid container, the container mouth is immersed in the seawater and the top end is higher than the highest sea surface while in the flood tide; and, at least one air pipe, having a first end pipe port communicating with the interior of the upside-down lid container and the other second end pipe port being defined above the sea surface, a rotating shaft of the power generator is configured outside the second end pipe port and the second end pipe port faces the windward side or the leeward side of the blade of the rotating shaft. The said configuration enables the seawater inside the upside-down lid container to form a liquid piston, and the liquid piston will gradually rise or fall accompanying with the flood tide or ebb tide of the seawater. Based on the communicating vessel principle, the air inside the upside-down lid container is squeezed by the seawater, such as the liquid piston to be blown out or suck in from the second end pipe port of the air pipe while in flood tide or ebb tide, thereby driving the blade to rotate to enable the power generator to generate electricity.
Resumen de: US2024318640A1
An offshore power generation structure comprising a submerged portion having a first deck portion comprising an integral multi-stage evaporator system, a second deck portion comprising an integral multi-stage condensing system, a third deck portion housing power generation equipment, cold water pipe; and a cold water pipe connection.
Resumen de: MX2024005932A
A wave energy converter is provided which includes a central body including a nacelle, the nacelle housing at least one power take off. Hie wave energy converter also includes a first float and a first float arm coupled to the nacelle on a first side, and a second float and a second float arm coupled to the nacelle on a second side. The first float is rotatably coupled to the nacelle, the first float and the first float arm forming a first body configured to rotate, where the first body is operatively coupled to the at least one power take off such that relative motion between the first body and the central body generates energy in the at least one power take off. In one embodiment, the central body has a low reserve buoyancy, where the reserve buoyancy of the central body is lower than the reserve buoyancy of either of the first float and the second float, to minimize a heave response of the central body relative to the first float to increase output of the wave energy converter. In one embodiment, the central body includes a yoke extending downwardly from the nacelle, a plurality of lines attached to the base of the yoke, and a heave plate attached to the lower terminus of each of the plurality of lines.
Resumen de: CN118694203A
本发明提供一种方形液‑固摩擦纳米发电机及波浪能发电系统，发电机包括：方形的外部支撑结构、感应电极、聚合物材料和摩擦液体；感应电极分别设置在外部支撑结构的上、下内表面；聚合物材料覆盖在感应电极之上；摩擦液体设置于外部支撑结构的内部；当液‑固摩擦纳米发电机发生摆动时，摩擦液体与聚合物材料相互摩擦产生电荷转移，并在感应电极上感应出电荷，感应电荷通过外接导线引出，产生交流电；本发明的发电机整体结构呈方形，便于集成大规模的发电阵列，且集成时各个发电机紧密排列，有效提高了空间利用效率，同时更高的发电功率也能够适应更广泛的应用场景；另外，本发明可以收集各个方向的波浪能，提高发电功率和效率。
Resumen de: CN221762079U
本实用新型涉及一种后弯管波浪能发电的船身结构，包括两端开口的后弯管，所述后弯管包括水平管道和弯管道；所述气室设置在弯管道上端；所述浮力舱设置在水平管道上部；对称的两组翼板分别位于船身两侧，所述翼板下表面呈从船头向船尾方向向下延伸的光滑曲面；船身两侧翼板内部为中空结构，能为装置提供较大的浮力，保证发电装置在水平方向上不会发生较大幅度的横摇运动，维持装置运动过程的姿态稳定。
Resumen de: CN118686729A
本发明公开了一种应用于海洋漂流浮标内部的多自由度波浪能发电装置，包括惯性摆、发电模组和支架；多套惯性摆和发电模组分成两层安装于支架的两个垂直方向上，每个惯性摆在摆动时可以驱使直流电机转动产生电能；在进行应用时，将此波浪能发电装置安装于海洋漂流浮标内，其会受到海中随机波浪作用而进行多自由度运动，此间两个不同方向惯性摆的运动能够俘获多自由度振动能量，独立带动各自电机进行发电，提升了总能量俘获率。此装置发电结构集成于设备内部，能够俘获多个不同方向的海洋波浪能量，环境适应性强，能实现在不同海域、不同浪况下发电，为海洋漂流浮标中搭载的多种传感器供给电能，以提高现有海洋漂流浮标中观测设备续航时长。
Resumen de: CN118686728A
本发明公开了一种适用于移动海洋观测平台的变结构波浪能发电装置，包括变结构船体、能量转换机构和舱室；八个可调节的叶片组成多模块变结构双体船，并充当俘能机构，双体船上设一舱室，变结构船体的两侧均设有能量转换机构；两能量转换机构分别与舱室的两侧相连接，能量转换机构可将变结构船体和舱室在垂荡方向的相对运动转化为电能，以满足移动海洋观测平台及其搭载设备的电能需求，从而切实解决移动海洋观测平台续航时间短、携载能力差的问题；变结构船体可对波浪能俘获灵活调控，实现大浪下有效卸减波浪载荷、小浪下高效俘获波浪能，可显著提高移动海洋观测平台对波浪时空变化特征的适应性和大浪况下的生存能力。
Resumen de: CN118669258A
本发明涉及一种收集波浪能的双柱式摩擦纳米发电装置，属于摩擦发电机领域，包括主浮体，主浮体中部固定有摩擦纳米发电机，主浮体前后部分别设有柱形台阶孔，柱形台阶孔安装有双向空气透平发电机，双向空气透平发电机包括上定子涡轮、转子涡轮、下定子涡轮、定子筒形外壳和转子柱形外壳，上定子涡轮和下定子涡轮转动安装在转轴上，转子涡轮固定在转轴上并位于上定子涡轮和下定子涡轮之间，定子筒形外壳固定套设于上定子涡轮和下定子涡轮外侧，转轴上端与转子柱形外壳的顶板固定连接，转子柱形外壳转动套设在定子筒形外壳外侧，转子柱形外壳内侧壁固定有介电层，定子筒形外壳外侧壁固定有与介电层摩擦发电的金属电极片。本发明高效地利用了波浪能。
Resumen de: CN117940662A
A hydroelectric energy system according to the present disclosure includes a retaining ring structure including a retaining ring base and a retaining ring backing. The system also includes a rotating ring structure including a rotating ring base and a blade support ring disposed radially outward of the rotating ring base. The rotating ring base is disposed radially outward of the fixed ring base and is configured to rotate around the stationary ring base about an axis of rotation. The system also includes at least one bearing mechanism configured to support the rotating ring structure relative to the stationary ring structure during rotation of the rotating ring base about the stationary ring base. During rotation, the stationary ring backing is configured to be in compression and support the stationary ring base, the rotating ring base, and the vane support ring in a stacked configuration within the fluid flow.
Resumen de: US2024309837A1
Embodiments include a buoyant wave energy converter. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. In an embodiment, an injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber submerged below the waterline and vertically beneath the upper chamber. An effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the injection tube.
Nº publicación: US2024309838A1 19/09/2024
Solicitante:
OCEAN HARVESTING TECH AB [SE]
Ocean Harvesting Technologies AB
Resumen de: US2024309838A1
A power take-off device for use in a wave energy converter unit having a buoy includes a power take-off hull connectable to a mooring device, and connected to or connectable to the buoy, preferably by a link rope, and a power extracting device adapted to extract power as the buoy moves with the waves, by applying up to a predetermined maximum control force. A two-stage end-stop cushioning system comprises a first stage end-stop cushioning device having a first fluid cylinder adapted to apply an additional deceleration force on the device above the maximum control force, and a second stage end-stop cushioning device adapted to be extended like a spring in an end-stop operation after the first stage has been activated and when the power take-off force is higher than the above the maximum control force, to hold the buoy submerged through the crest of a large wave.
BOPI
Sede Electrónica
