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公开(公告)号：US20240287958A1
公开(公告)日：2024-08-29
申请号：US18657906
申请日：2024-05-08
发明人： Alan L. McCall
摘要： A two-body wave energy converter utilizing a linear, universal modular absorber. A linear module, contains a direct drive linear machine for converting linear mechanical motion into electrical energy. The linear module is connected between two oscillating mechanical bodies, exploiting their relative motion. A wave activated floating body follows the wave motion, while a reaction body is tethered to a mass on the seabed providing a stable kinematic reference in operational waves. In large waves, the mass on the seabed lifts, providing heave compliance to the whole wave energy converter reducing ultimate loads in survival wave conditions.
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公开(公告)号：US12049861B2
公开(公告)日：2024-07-30
申请号：US17978549
申请日：2022-11-01
发明人： Dong Hyun Ha , Jung Hun Choi , Jae Wung Jung
CPC分类号： F03B13/16 , F03B13/22 , F05B2220/706 , F05B2220/708
摘要： A renewable energy generation system includes a renewable energy power generator including a capsule shape including a tumbling doll shape, floating on the sea, and producing electrical power by converting wave energy into electrical energy; a first hub connected to the renewable energy power generator and configured to store the electrical energy; and a cable configured to transmit the electrical energy produced by the renewable energy power generator to the first hub by connecting the renewable energy power generator to one or more of another renewable energy power generators and the first hub.
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公开(公告)号：US11708812B2
公开(公告)日：2023-07-25
申请号：US16454201
申请日：2019-06-27
IPC分类号： F03B13/14 , F16H41/24 , F16H61/48 , F03B1/00 , F03B13/16 , F16H1/46 , F16H3/00 , F16H3/091 , F16H57/04
CPC分类号： F03B13/14 , F03B1/00 , F03B13/16 , F16H1/46 , F16H3/003 , F16H3/0915 , F16H41/24 , F16H57/0471 , F16H61/48 , F05B2260/4031 , F05B2260/5032
摘要： An energy harnessing device for harnessing wave energy that results in pitch, sway, yaw, surge, roll, and heave movement, wherein the device effectively converts multiaxial translational and rotational motion to unidirectional rotational motion for power transmission.
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公开(公告)号：US20230032172A1
公开(公告)日：2023-02-02
申请号：US17784187
申请日：2021-01-13
发明人： Lei Zuo , Robert Parker , Xiaofan Li
摘要： Various examples of simultaneous ocean wave and current energy harvesting are described, using a hybrid ocean energy converter and a mechanical transfer system therefor. In one example, a hybrid ocean energy converter includes a two-body point absorber comprising a first body and a second body. The two-body point absorber can be configured to transfer a linear relative motion between the first body and the second body to bi-directional rotation of a first input shaft. A turbine can be configured rotate a second input shaft. The converter further includes a hybrid power takeoff including a mechanical transfer system configured to mechanically couple the first input shaft, the second input shaft, an output shaft, and an output shaft.
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公开(公告)号：US11459997B2
公开(公告)日：2022-10-04
申请号：US17200173
申请日：2021-03-12
发明人： Kourosh Parsa , Neil Williams
摘要： A dual-point absorber includes a first buoy, a second buoy, and a power take-off. The first buoy of the dual-point absorber is connected to a linkage. The second buoy of the dual-point absorber is capable of a movement relative to the first buoy. The power take-off is coupled to the first buoy and the second buoy. The linkage can be used to reduce a heave movement of the first buoy that is caused by waves.
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公开(公告)号：US11448179B2
公开(公告)日：2022-09-20
申请号：US17510849
申请日：2021-10-26
摘要： Disclosed is buoyant wave energy capture device, adapted to float adjacent to an upper surface of a body of water over which waves pass, and adapted to capture a portion of the radiated waves created by its own rising and falling in response to incident and/or passing environmental waves. A power take off mechanism combined with the disclosed wave energy capture device may be tuned to a specific wave frequency, and thereby optimally extract energy from a motion of a single frequency, even the wave energy capture device may be excited and/or energized by waves of any of a relatively broad range of frequencies, thereby increasing the power-generation and cost efficiencies of such devices relative to wave energy conversion devices of the prior art.
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公开(公告)号：US20220213863A1
公开(公告)日：2022-07-07
申请号：US17568383
申请日：2022-01-04
发明人： Kshitij Chopra
摘要： A hydrokinetic energy based power generation system is described, including several modules filled with fluid or vacuum and anchored to a stream bed of water body, multiple basic units associated with each module for converting hydrokinetic energy into electrical energy, wherein each basic unit includes two springs affixed with a top and bottom portion of the modules in such a way that the hydrokinetic energy induces vibrations within the springs, a cylindrical tube positioned between the springs, and contained with a ferromagnetic fluid, two fixed magnets and a movable magnet, wherein the movable magnet oscillates in between the fixed magnets due to the induced disturbances caused by waves/ocean and repulsive forces caused by the fixed magnets, an electric coil associated with the tube, for generating electric current by harnessing the relative motion of the movable magnet and electric coil due to electromagnetism phenomenon and in accordance with laws of electromagnetic induction.
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公开(公告)号：US10883470B2
公开(公告)日：2021-01-05
申请号：US16630626
申请日：2018-07-18
申请人： Yi Zhang
发明人： Yi Zhang , Huijie Zhang , Jilin Zhang
摘要： A wave power generation device comprises a floating energy harvester (1), a plurality of energy conversion levers (2) and a plurality of energy transferring rods (3) suspended around the floating energy harvester (1); one end of the energy transferring rod (3) is connected to the floating energy harvester (1), and the other end is sleeved onto the lower end of the energy conversion lever (2); the energy transferring rod (3) transfers energy harvested from a horizontal movement of a wave by the floating energy harvester to the energy conversion lever (2), and follows the vertical motion of the energy conversion lever (2) as the surface of the sea rises and falls; an upper end of the energy conversion lever (2) is connected to a first working mechanism (102), and a lower end of the energy conversion lever (2) is submerged in seawater.
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9.发明授权公开(公告)号：US10549832B2
公开(公告)日：2020-02-04
申请号：US16213941
申请日：2018-12-07
发明人： Roger G. Hine , Derek L. Hine
IPC分类号： B63H19/02 , B63J3/02 , B63J99/00 , F03B13/10 , F03B13/16 , F03B13/18 , F03B13/20 , B63H1/32 , B63J3/00
摘要： This disclosure provides improved nautical craft that can travel and navigate on their own. A hybrid vessel is described that converts wave motion to locomotive thrust by mechanical means, and also converts wave motion to electrical power for storage in a battery. The electrical power can then be tapped to provide locomotive power during periods where wave motion is inadequate and during deployment. The electrical power can also be tapped to even out the undulating thrust that is created when locomotion of the vessel is powered by wave motion alone.
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公开(公告)号：US10508640B2
公开(公告)日：2019-12-17
申请号：US15692718
申请日：2017-08-31
申请人： Murtech, Inc.
摘要： A hinge system and method for an Articulated Wave Energy Conversion System (AWECS) that provides for hinge and piston pump displacements due to multi-axis forces in allowing adjacent barges of the AWECS to pivot with respect to one another due to wave motion. The hinge system uses a plurality of parallel hinges, and axle segments, coupled between adjacent barges wherein the hinges are coupled to upright trusses positioned transversely along facing edges of each barge. Hinge bracing includes lower V-shaped struts that act as lower stops when the barges pitch up and also include upper struts that act as upper stops when the barges pitch down. The pumps are positioned in parallel. The pumps have special couplings such as ball joint couplings that permit motions other than longitudinal pump/ram motions due to multi-axis forces generated by the wave motion and thus provide omni-directional stress relief to the pumps.
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