CN108266307B - Width-adjustable buoyancy pendulum wave power generation device - Google Patents
Width-adjustable buoyancy pendulum wave power generation device Download PDFInfo
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- CN108266307B CN108266307B CN201810168405.4A CN201810168405A CN108266307B CN 108266307 B CN108266307 B CN 108266307B CN 201810168405 A CN201810168405 A CN 201810168405A CN 108266307 B CN108266307 B CN 108266307B
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- outer frame
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
- F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
- F03B13/182—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with a to-and-fro movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/02—Geometry variable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
The invention discloses a buoyancy pendulum type wave power generation device with adjustable width, which comprises an outer frame, a plurality of pendulum plate units, a mounting platform, a power generation mechanism, a hinged support, a plurality of adjusting motors, a rotating shaft, a power conversion mechanism and a control device, wherein the outer frame is movably connected with the mounting platform through the hinged support at the bottom, the plurality of pendulum plate units are rotationally arranged in the outer frame through the rotating shafts at the upper end and the lower end, the adjusting motors are positioned in watertight cabins at the bottom end of the outer frame and are respectively connected with the rotating shafts at the lower ends of the corresponding pendulum plate units through couplings, the outer frame is in driving connection with the input end of the power generation mechanism through the power conversion mechanism, and the control device is connected with the power generation mechanism and the adjusting motors through circuits. According to the invention, the wave-receiving width of the device is controlled by adjusting the posture of the swinging plate unit, so that the wave force output of the whole device is adjusted, the stable power output under different sea conditions is controlled, and the normal working and the viability of the swinging plate unit in an extremely high wave environment are ensured.
Description
Technical Field
The invention relates to a wave power generation device, in particular to a buoyancy pendulum wave power generation device with adjustable width.
Background
Environmental, energy, and population pressures have accelerated the pace of human development of the ocean. Wave energy resources in the ocean are rich, and various wave power generation devices are invented by people to convert wave energy into electric energy. The ocean environment where the wave power generation device is located is very complex, so that the effective wave power generation device must meet the characteristics of continuous and stable power generation, better viability, maintainability and the like. The pendulum wave power generation device has the characteristics of larger geometric dimension and wider wave-facing width, so that the structural strength of the pendulum wave power generation device has higher sensitivity to wave load. However, most of the pendulum wave power generation devices studied at present are integrated pendulum plates, the wave load applied to the devices is greatly changed when sea conditions change, and the structural form of the integrated pendulum plates cannot be well adapted to the change of the sea conditions, so that the effective wave-facing area of the structure cannot be dynamically adjusted. Under extreme sea conditions, the prior art mostly adopts stopping the normal work of a wave power generation device, and sinking into the sea to avoid wind waves; or to give greater structural load carrying capacity during the design phase, etc. The measures have certain effectiveness, but also bring about higher operation and production costs and other adverse effects.
As described above, the pendulum wave power generation device has a larger wave bearing surface, and a larger wave impact force can be received in the heavy waves, so that the swing amplitude of the pendulum plate is too large and even exceeds the limit of the normal working position, and the pendulum plate device is subjected to fatal mechanical or structural damage. Aiming at the problem, the invention designs a power generation device which can control the wave-facing width of the swinging plate in real time under almost all sea conditions, reduce the wave load so as to prevent the swing amplitude from being larger and keep continuous working. The effective wave-receiving width of the device can be controlled, so that the continuous and stable output of the generated energy is ensured, and the wind and wave resistant viability of the device is improved. Therefore, has better application prospect.
Disclosure of Invention
The invention aims to provide a buoyancy pendulum type wave power generation device with adjustable width, which can be controlled manually or automatically. Through the control to the width of facing waves of a plurality of swing plate units, the functions of keeping the whole stress stable and the swing amplitude not larger in the changing sea condition of the swing plate, further preventing the occurrence of the conditions of the strength, the rigidity, the stability or the output overload of the swing plate structure and ensuring the normal work and the good viability of the swing plate in the extremely high wave environment are realized.
The mechanism of the invention comprises the following components in parts by weight:
the utility model provides a width adjustable buoyancy pendulum wave power generation facility, includes outer frame, a plurality of pendulum board units, is located the mounting platform under water, sets up generating mechanism, hinged support, a plurality of accommodate motor, pivot, power conversion mechanism, controlling means on mounting platform, outer frame pass through the hinged support swing joint mounting platform of bottom, a plurality of pendulum board units arrange with rotating through the pivot at upper and lower both ends and set up in outer frame, accommodate motor be located outer frame bottom watertight cabin and connect the pivot of corresponding pendulum board unit lower extreme respectively through the shaft coupling, outer frame passes through power conversion mechanism and is connected with generating mechanism's input drive, converts the swing motion of outer frame into rotary motion drive generating mechanism rotation power generation, controlling means pass through circuit connection generating mechanism and accommodate motor for the wave load of the effective meeting wave width controlling means of pendulum board unit through accommodate motor.
The buoyancy pendulum type wave power generation device with adjustable width can control the wave load of the effective wave-facing width control device of the pendulum plate unit in rough waves, and when the wave height of a sea area where the device is located is increased or the wave period is increased, the effective wave-facing area meeting the rated load is determined by comparing the actual field wave parameters measured by the sensor with the rated load when the device is designed, and the wave-facing angle of the pendulum plate unit is adjusted by the adjusting motor so as to reduce the effective wave-facing width of the pendulum plate. Thus, the balance of the energy supply end is realized without changing the size of the load end. Meanwhile, the effective wave-receiving width of the swinging plate unit is completely minimized under extreme sea conditions, and the old method of sleeping or dragging the whole device away described by other technologies is not needed, so that the maintenance workload and the economic cost are greatly reduced. Therefore, not only the continuous and stable output of the generated energy is ensured, but also the wind wave resistance and survival capability of the device are improved.
Further, the power conversion mechanism is a mechanical power conversion mechanism and comprises a power output shaft and a speed increasing mechanism, one end of the power output shaft is connected with the hinged support and synchronously rotates along with the swing of the outer frame, the other end of the power output shaft is connected with the input end of the speed increasing mechanism, the output end of the speed increasing mechanism is in driving connection with the input end of the power generating mechanism, and the power generating mechanism is fixed on the mounting platform.
Further, the power generation mechanism comprises an underwater power generator and a watertight mechanism, an input shaft of the underwater power generator is in transmission connection with an output end of the speed increasing mechanism, and a power transmission end of the underwater power generator is transmitted to the shore through a cable. The scheme adopts an underwater sealed direct-drive power generation structure, and is simple in mechanism and convenient to construct.
Further, the speed increasing mechanism is a gear speed increasing mechanism.
Further, the power conversion mechanism is a hydraulic power conversion mechanism and comprises a hydraulic oil cylinder and a hydraulic motor positioned at a shore station, one end of the hydraulic oil cylinder is hinged with the outer frame, the other end of the hydraulic oil cylinder is hinged with the mounting platform, an oil inlet pipe and an oil outlet pipe of the hydraulic oil cylinder are connected with an oil inlet and an oil outlet of the hydraulic motor, and an output end of the hydraulic motor is in driving connection with an input end of the power generation mechanism positioned at the shore station. The hydraulic system is adopted to convert the mechanical energy of the swing plate into hydraulic energy to drive the generator, and the structure is compact and the maintenance is convenient.
Further, the number of the hydraulic cylinders is more than one.
Further, the swinging plate unit is of a hollow structure, and the gravity of the swinging plate unit is smaller than the buoyancy of the swinging plate unit, so that the swinging plate unit can keep a floating swinging state in waves.
Further, the installation platform is a seabed foundation or a floating platform.
Further, the power generation mechanism is a bidirectional alternating current generator.
Further, the device also comprises a gesture sensor, wherein the gesture sensor is arranged on the adjusting motor, is connected with the control device through a circuit and is used for detecting and feeding back the rotation angle of each swinging plate unit, so that the accurate control of the rotation angle of each swinging plate unit is realized.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the wave parameters of the sea area where the device is positioned are detected in real time, the effective wave-facing width of the swinging plate unit is automatically adjusted, so that the stability of the wave load borne by the device is realized, the swinging stability of the swinging plate main body is further maintained, the conditions of structural strength damage and power output overload of the swinging plate are prevented, the continuous and stable output of generated energy is ensured, the normal work and the survivability in the extremely high wave environment are also ensured, and the device has a good application prospect.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a width-adjustable buoyancy pendulum wave power generation device of the present invention.
Fig. 2 is a schematic diagram of the ballast tank and the adjusting motor of the width-adjustable buoyancy pendulum wave power generation device of the invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the width-adjustable buoyancy pendulum wave power generation device of the present invention.
The figure shows: 1-an outer frame; 2-swinging plate units; a 3-generator; 4-a mounting platform; 5-hinging support; 6-a power output shaft; 7-rotating shaft; 8-adjusting a motor; 9-a hydraulic oil cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, which are not to be construed as limiting the embodiments of the present invention.
Example 1
As shown in fig. 1, the buoyancy pendulum type wave power generation device with adjustable width comprises an outer frame 1, a plurality of swinging plate units 2, a mounting platform 4 positioned under water, a power generation mechanism 3 arranged on the mounting platform 4, a hinged support 5, a plurality of adjusting motors 8, a rotating shaft 7, a power conversion mechanism, an attitude sensor and a control device, wherein the mounting platform 4 is a seabed foundation or a floating platform, the outer frame 1 is movably connected with the mounting platform 4 through the hinged support 5 at the bottom, the swinging plate units 2 are rotationally arranged in the outer frame 1 through the rotating shafts 7 at the upper end and the lower end, the adjusting motors 8 are positioned in watertight cabins at the bottom end of the outer frame 1 and are respectively connected with the rotating shafts 7 at the lower end of the corresponding swinging plate units 2 through couplings, the outer frame 1 is in driving connection with the input end of the power generation mechanism 3 through the power conversion mechanism, the swinging motion of the outer frame 1 is converted into rotary motion to drive the power generation mechanism 3 to rotate and generate power, and the control device is connected with the power generation mechanism 3 and the adjusting motors 8 through a circuit and is used for adjusting the effective wave width control device of the swinging plate units 2 through the adjusting motors 8.
The power conversion mechanism is a mechanical power conversion mechanism and comprises a power output shaft 6 and a speed increasing mechanism, wherein the speed increasing mechanism is a gear speed increasing mechanism. One end of the power output shaft 6 is connected with the hinged support 5, synchronously rotates along with the swing of the outer frame 1, and the other end of the power output shaft is connected with the input end of the speed increasing mechanism, the output end of the speed increasing mechanism is in driving connection with the input end of the power generating mechanism 3, and the power generating mechanism 3 is fixed on the mounting platform 4.
The power generation mechanism 3 is a bidirectional alternating current generator and comprises an underwater power generator and a watertight mechanism, a shell of the underwater power generator is fixed on a submarine foundation or a floating platform which is positioned under water through a reliable watertight technology, an input shaft of the underwater power generator is in transmission connection with an output end of the speed increasing mechanism, and a power transmission end of the underwater power generator is transmitted to the shore through a cable.
The swinging plate unit 2 is of a hollow structure, can provide enough buoyancy in water and structural strength under the action of sea waves, and is not limited in manufacturing materials;
the attitude sensor is arranged on the adjusting motor 8, is connected with the control device through a circuit and is used for detecting and feeding back the rotation angle of each swinging plate unit 2, so that the effective wave-receiving width of each swinging plate unit 2 is accurately controlled.
Specifically, in connection with fig. 2, in this embodiment, when the wave parameters of the sea area where the device is located are changed, the control device obtains the corresponding attitude angle of the wobble plate on the premise of meeting the condition that the rated load of the device is unchanged, and then drives the adjusting motor 8 to adjust the effective wave-receiving width of the wobble plate unit 2. The embodiment adopts an underwater sealed direct-drive power generation structure, and has the advantages of simple mechanism and convenient construction.
Example two
As shown in fig. 3, the present embodiment is different from the first embodiment in that:
the power conversion mechanism is a hydraulic power conversion mechanism and comprises a hydraulic oil cylinder 9, a hydraulic motor and a power generation mechanism 3, wherein the hydraulic motor is positioned at a shore station, one end of the hydraulic oil cylinder 9 is hinged with the outer frame 1, the other end of the hydraulic oil cylinder is hinged with a seabed foundation or a floating platform, an oil inlet pipe and an oil outlet pipe of the hydraulic oil cylinder 9 are connected with an oil inlet and an oil outlet of the hydraulic motor, and an output end of the hydraulic motor is in driving connection with an input end of the power generation mechanism 3. The number of the hydraulic cylinders 10 may be one or more than one.
The buoyancy pendulum type wave power generation device with adjustable width provided by the embodiment can be singly arranged on the seabed or a floating platform, or a plurality of device arrays can be arranged on the seabed or the floating platform.
It should be noted that the power generation scheme of the present invention is not limited to the underwater direct drive power generation mode and the hydraulic conversion power generation mode described in the embodiments, and other energy conversion systems using the swing plate structure with adjustable width are all within the protection scope of the present invention.
The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a width adjustable buoyancy pendulum-type wave power generation device which characterized in that: including outer frame (1), a plurality of swing board unit (2), be located mounting platform (4) under water, set up generating mechanism (3), hinged support (5), a plurality of accommodate motor (8), pivot (7), power conversion mechanism, controlling means on mounting platform (4), outer frame (1) through hinge support (5) swing joint mounting platform (4) of bottom, a plurality of swing board unit (2) arrange with rotating through pivot (7) at upper and lower both ends and set up in outer frame (1), accommodate motor (8) be located outer frame (1) bottom cabin and connect pivot (7) of corresponding swing board unit (2) lower extreme respectively through the shaft coupling, outer frame (1) are connected through power conversion mechanism and the input drive of generating mechanism (3), control means pass through circuit connection generating mechanism (3) and accommodate motor (8) for wave load control device of the effective width of swing board unit (2) is adjusted through accommodate motor (8).
2. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the power conversion mechanism is a mechanical power conversion mechanism and comprises a power output shaft (6) and a speed increasing mechanism, one end of the power output shaft (6) is connected with a hinged support (5), the power output shaft synchronously rotates along with the swing of the outer frame (1), the other end of the power output shaft is connected with the input end of the speed increasing mechanism, the output end of the speed increasing mechanism is in driving connection with the input end of the power generating mechanism (3), and the power generating mechanism (3) is fixed on the mounting platform (4).
3. The width-adjustable buoyancy pendulum wave power generation device according to claim 2, wherein: the power generation mechanism (3) comprises an underwater power generator and a watertight mechanism, an input shaft of the underwater power generator is in transmission connection with an output end of the speed increasing mechanism, and a power transmission end of the underwater power generator is transmitted to the shore through a cable.
4. The width-adjustable buoyancy pendulum wave power generation device according to claim 2, wherein: the speed increasing mechanism is a gear speed increasing mechanism.
5. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the power conversion mechanism is a hydraulic power conversion mechanism and comprises a hydraulic oil cylinder (9) and a hydraulic motor positioned at a shore station, one end of the hydraulic oil cylinder (9) is hinged with the outer frame (1), the other end of the hydraulic oil cylinder is hinged with the mounting platform (4), an oil inlet pipe and an oil outlet pipe of the hydraulic oil cylinder (9) are connected with an oil inlet and an oil outlet of the hydraulic motor, and an output end of the hydraulic motor is in driving connection with an input end of the power generation mechanism (3) positioned at the shore station.
6. The width-adjustable buoyancy pendulum wave power generation device according to claim 5, wherein: the number of the hydraulic cylinders (9) is more than one.
7. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the swinging plate unit (2) is of a hollow structure.
8. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the installation platform (4) is a seabed foundation or a floating platform.
9. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the power generation mechanism (3) is a bidirectional alternating current generator.
10. The width-adjustable buoyancy pendulum wave power generation device according to claim 1, wherein: the device also comprises an attitude sensor, wherein the attitude sensor is arranged on the adjusting motor (8), is connected with the control device through a circuit and is used for detecting and feeding back the rotation angle of each swinging plate unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168405.4A CN108266307B (en) | 2018-02-28 | 2018-02-28 | Width-adjustable buoyancy pendulum wave power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168405.4A CN108266307B (en) | 2018-02-28 | 2018-02-28 | Width-adjustable buoyancy pendulum wave power generation device |
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| CN108266307A CN108266307A (en) | 2018-07-10 |
| CN108266307B true CN108266307B (en) | 2023-05-23 |
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| CN201810168405.4A Active CN108266307B (en) | 2018-02-28 | 2018-02-28 | Width-adjustable buoyancy pendulum wave power generation device |
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| CN112196722B (en) * | 2020-10-10 | 2022-12-23 | 上海海事大学 | Wave power generation system with adjustable input power |
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| CN104514678A (en) * | 2013-09-30 | 2015-04-15 | 无锡津天阳激光电子有限公司 | Lower swing plate type sea wave generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PE20020090A1 (en) * | 2000-07-11 | 2002-02-10 | Pacheco Pedro Saavedra | MARINE WIND ELECTRIC GENERATOR |
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2018
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| WO2006100436A1 (en) * | 2005-03-23 | 2006-09-28 | Aquamarine Power Limited | Apparatus and control system for generating power from wave energy |
| CN101680419A (en) * | 2007-03-14 | 2010-03-24 | 朗利波能股份公司 | Wave power plant |
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| CN102758730A (en) * | 2011-04-26 | 2012-10-31 | 苏俊平 | Loose-leaf type vertical shaft fluid generator set |
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| RU2540525C1 (en) * | 2013-10-28 | 2015-02-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Комсомольский-на-Амуре государственный технический университет" (ФГБОУ ВПО "КнАГТУ") | Wave energy conversion unit |
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| CN108266307A (en) | 2018-07-10 |
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