CN110072771A - For inhibiting ship to roll and restoring the method for rolling movement energy - Google Patents
For inhibiting ship to roll and restoring the method for rolling movement energy Download PDFInfo
- Publication number
- CN110072771A CN110072771A CN201780077518.7A CN201780077518A CN110072771A CN 110072771 A CN110072771 A CN 110072771A CN 201780077518 A CN201780077518 A CN 201780077518A CN 110072771 A CN110072771 A CN 110072771A
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- CN
- China
- Prior art keywords
- mass block
- ship
- energy
- rolling
- rotary motion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/04—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using gyroscopes directly
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/10—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water
- B63B2039/105—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by damping the waves, e.g. by pouring oil on water by absorption of wave energy, e.g. by structured, wave energy absorbing hull surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2209/00—Energy supply or activating means
- B63B2209/14—Energy supply or activating means energy generated by movement of the water
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The method of the energy of the rolling and recovery rolling movement that the present invention relates to a kind of for inhibiting ship.In the method, inhibit the rolling of the ship (1) and making mass block (5) around vertical axis (4) and rotating in one rotational direction along circular trace, the mass block is to be enhanced the rotary motion of the mass block by alternately braking and replacing and adjusted, and thus generate the reaction torque relative to the rolling movement relative to the position of the tilt angle of the ship.By adjusting, the rotary motion of the mass block is maintained at the extreme lower position 70-110 degree for lagging behind the mass block corresponding with the extreme position of the rolling movement.
Description
Summary of the invention
The present invention relates to a kind of for inhibiting ship to roll and restoring the method for rolling movement energy, in the method, leads to
It crosses and rotates to come with the rhythm around vertical axis and the rolling along circular trace in one rotational direction by mass block
Inhibit the rolling of ship.
The invention further relates to a kind of for inhibiting ship to roll and restore the device of rolling movement energy, which includes using
In the mass block for inhibiting ship to roll, which is configured to the rhythm with rolling and moves.
It is known ballast is moved to the other side from the side of ship to can be used for inhibiting the rolling of ship.Ballast is usually
Water, such as described in KR 20160069637.Inhibit device from rolling known to 2016/003345 A1 of WO, the device is also
It can be used for generating energy while being inhibited.The defect that these inventions all have is that they need specifically-built ship
Oceangoing ship.From adjustment system a kind of known to WO 2016/110610A1, when wave-power plant is as mass block rotor and coiling property
Combination is come when implementing, which can be used for optimizing the energy production of the wave-power plant.
From the method and apparatus of the rolling for inhibiting ship a kind of known to DD 157322, in the method by by matter
Gauge block rotates to inhibit ship with the rhythm around vertical axis and the rolling along circular trace in one rotational direction
The rolling of oceangoing ship.This method attempts to keep the phase difference rolled relative to ship in 180 degree, it means that attempts only to pass through mass block
Weight inhibit to roll.In this case, inhibitory effect is not best, because not accounting for the dynamic motion of mass block
Influence to inhibiting effect.Inhibition efficiency can not be adjusted.Restore rolling movement energy to be not yet set.
The purpose of the present invention is realizing a kind of method and apparatus for inhibiting ship to roll, this method and device can also be with
For generating energy while carrying out inhibiting effect, without specifically-built ship, and the device be may be mounted at
On the ship of many types.
The purpose is realized by the device that the method that appended claims 1 provide and claim 7 provide.Appurtenance
It is required that providing the preferred embodiment of the present invention.
Detailed description of the invention
The present invention will be hereinafter described in more detail with reference to attached drawing, in which:
Ship when Fig. 1 shows viewed from above is equipped with rolling according to the present invention in ship and inhibits device.
Fig. 2 schematically shows apparatus for carrying out the method according to the present invention;
Fig. 3 shows the example of the replaceable structure of the device;
Fig. 4 shows the function of the method and apparatus of the different phase in rolling of the illustrative embodiments using Fig. 2
Principle;With
Fig. 5 shows the function of the method and apparatus of the different phase in rolling of the illustrative embodiments using Fig. 3
Principle.
Specific embodiment
Fig. 1 shows the ship 1 with slender hull, for inhibiting the device 2 rolled to be placed on the middle line of ship 1.It is attached
Icon note 3 indicates vertical plane, extends through the middle line and the axis of rolling of ship.Equipment 2 as separately installed unit can
To be the multiple equipment being arranged in rows.Alternatively, device 2 can be symmetrically mounted at the two sides of vertical plane 3.Boat length is greater than
4 times of ship width.In this case, the wave from side effectively rolls ship.This rolling can be by according to this
The method and apparatus of invention inhibit, that is, reduce, so that when the device is running, which is energy neutral, and the device
Energy is generated under advantage.Under suitable conditions, the device being mounted in mobile or anchoring ship also is used as leading to
The generator for crossing the energy of wave to run.
The vertical axis 4 of device shown in Fig. 2 and Fig. 3 is placed in vertical plane 3, and the eccentric earth's axis on vertical axis 4
It holds and mass block or weight 5 is installed, can be only the combination of mass block or mass block and flywheel.Vertical axis is in this table
Show when ship is in easy water it is vertical axis.Mass block 5 is around vertical axis 4 along circuit orbit a direction of rotation
Upper rotation, and mass block 5 is surrounded relative to the position of the tilt angle of ship by alternately braking and alternately enhancing mass block
The rotary motion of vertical axis 4 is adjusted, so that the dynamic reaction forces being applied on ship have main inhibitions work to rolling
With.This is realized by the way that mass block 5 to be maintained to the appropriate phase of the rolling movement relative to ship.If the rolling of ship
Dynamic to be considered to have sinusoidal motion and the rotary motion of mass block is considered to have constant speed, then most preferred phase is such as
Under: when rolling movement is in its extreme position to the right or to the left, the front or behind of mass block in the direction of the longitudinal axis
Most outside position at, and rotation while ship is to every side oscillation one time of mass block 5 is turned around.In the entirely rotation phase
Between, this set inhibits rolling movement, while inhibiting sinusoidal variations under double frequency of the efficiency between zero and maximum value.Only exist
When pendulum motion goes to its extreme position, inhibiting function is just zero.It also may be implemented in the case where being offset slightly from the phase good
Inhibition, such as in the range of 70-110 degree, if most preferred position is designated as 90 degree of delayed phases.It is theoretical
On, when delayed phase is within the scope of 0-180 degree, always realize slight inhibition.Therefore adjustable amount of suppression.
Fig. 2 shows the arrangements of the position for actively adjusting mass block 5.The motor 7 always rotated in same direction can
For use as motor or generator and control it.When being used as motor, motor 7 enhances mass block 5 and surrounds vertical axis 4
Rotary motion, and be used as generator when, its rotation check, wherein the device produces electricl energy.Brake the energy generated
It is stored in the battery 9 on ship by converter 8, which is used to enhance the rotation of mass block 5.The electric energy of storage also can be used
In rotary flyweights, i.e. gyroscope, if flywheel connect arrangement with mass block 5.Additional electric power can be used for ship
Other are needed.Converter is controlled by control unit 10, and control unit 10 receives the position sensor 11 from mass block 5 and comes from
The control parameter of rollability sensor 12.If control parameter is also can be rapidly there is also the flywheel connecting with mass block 5
Spend its rotation speed that sensor 13 obtains.
By adjusting, the rotary motion of mass block 5, which is preferably held in, falls behind (delayed phase) in the pole with rolling movement
In the range of the extreme lower position 70-110 degree of the corresponding mass block of end position.Fig. 4 shows 90 degree of delayed phase, this for
Inhibit and energy production is all most preferred.During the primary rotation of mass block, by the way that preferably differently braking is revolved twice
Transhipment is moved to generate energy, and if desired, is disappeared by alternately preferably differently enhancing rotary motion twice with braking
Energy consumption.By the inclusion of in a device sensor 12 monitor ship rollability, and by regulating device 8-11 braking and
Enhancing rotation is synchronous with the predetermined point of ship inclination cycle turnover, and the position of predetermined point depends on rollability.In this way it is possible to
According to condition and need to optimize the ratio inhibited with energy production.
Compared with the energy of generation, energy consumption is usually within the scope of 0-30%.It is also used for producing if it is desired to optimize equipment
Raw electric power, the then rotation speed that can permit mass block 5 are suitably changed in during primary rotation, to inhibit to make with sufficient
With the net production maximization for making electricity together.Using only mass block 5, energy production is pulsation.This can by using with quality
The flywheel that block 5 connects homogenizes, and the rotation revolution by adjusting flywheel keeps the energy production almost uniform.By increasing flywheel
Rotation speed, inhibitory effect increase, although it keeps the rhythm sinusoidal variations with rolling.In this case, the weight of mass block 5
Amount also can reduce.In the case where no flywheel, the weight of mass block 5 is less than the 10% of ship weight.In the feelings for having flywheel
Under condition, the weight of mass block 5 is likely less than the 5% of ship weight.In addition, the energy of flywheel can be used for enhancing the rotation of rotor 4,5
Turn, and the speed of flywheel can be accelerated by braking energy.
Fig. 3 shows tool, and there are two the schematic diagrams of the embodiment of overlapping rotor.The first rotor is by vertical axis 4 and mass block
5 form, and correspond to above-mentioned rotor.The first rotor is mounted in the hull 20 of ship by 18 bearing of bearing.In this cloth
In setting, stator 16 and the vertical axis 4 and mass block 5 of generator 17 rotate together.Therefore, mass block 5 is connected to power generation by axis 4
The stator 16 of machine 17.Bitrochanteric mass block 15 is connected to the rotor 14 of generator, so that mass block 15 and rotor 14 enclose
It is rotated together around vertical axis 4.The mass block 15 and rotor 14 of generator are installed on vertical axis 4 using 19 bearing of bearing.Pass through
Reach twice of speed using this arrangement generator 17, therefore it becomes smaller, lighter and cheaper.The disadvantage is that slightly complicated
Structure, additional bearing and slip ring 21, wherein the stator 16 of generator 17 is electrically connected to converter by slip ring 21.Mass block 5
It is arranged to mass block 15 and rotates one another in opposite directions, as shown in Figure 5.Therefore, mass block is more than each other during rotation
It is twice and directed in opposite directions twice in the opposite side of vertical axis during rotation.In principle, even if direction of rotation is on the contrary, two
Therefore a mass block also plays operation in an identical manner.
By the way that the rotational trajectory plane of mass block center of gravity to be placed on to relatively large distance above the rolling axis of ship, Ke Yixian
Landing enhances inhibiting effect.The distance is at least 1/4, preferably at least 1/3 or the ship even on upper deck of ship height
Top.In this case, generated to power relevant torque and be directed to mass block braking or acceleration ship cross
There is necessary component on direction and effectively influence rolling movement.Mass block is also influenced relative to the position of vertical plane 3
Inhibiting effect, but this influence is fairly small.The centrifugal force as caused by mass block also influences the rolling of ship, when mass block is opposite
It is influenced when the position of rolling axis is higher bigger.In addition, where rotational trajectory of the inhibiting effect by the center of gravity of mass block
Plane tends to keep the influence in its direction (gyroscopic effect).
Claims (13)
1. a kind of method of rolling and the energy for restoring rolling movement for inhibiting ship, in the method, by making matter
Gauge block (5) rotates to press down with the rhythm around vertical axis (4) and the rolling along circular trace in one rotational direction
Make the rolling of the ship (1), which is characterized in that the mass block is logical relative to the position of the tilt angle of the ship
It crosses the rotary motion for alternately braking the mass block and alternately enhances the rotary motion of the mass block to adjust, to generate phase
For the reaction torque of the rolling movement, and by the adjusting, the rotary motion of the mass block is maintained at backward
In the range of the extreme lower position 70-110 degree of the mass block corresponding with the extreme position of rolling movement.
2. the method according to claim 1, wherein energy passes through during the primary rotation of the mass block
The rotary motion is braked to generate, and energy consumes energy by alternately enhancing the rotary motion with braking
Amount.
3. according to the method described in claim 2, it is characterized in that, energy passes through during the primary rotation of the mass block
Brake the rotary motion differently twice to generate, and energy by alternately differently enhancing institute with braking twice
Rotary motion is stated to consume energy.
4. method according to any one of claim 1-3, which is characterized in that the rotary motion is by mechanism of power generation
It is dynamic, and the energy stores generated by braking, in the battery on the ship, the energy in the battery is for enhancing
Rotation.
5. method according to any of claims 1-4, which is characterized in that the rollability of the ship it is monitored and
Brake the rotation and synchronous with the predetermined point of the gradient of the ship cycle turnover, the position of the predetermined point that enhances the rotation
It sets and depends on the rollability.
6. a kind of device of rolling and the energy for restoring rolling movement for inhibiting ship, described device includes for inhibiting ship
The mass block (5) of the rolling of oceangoing ship (1), the mass block be configured to around vertical axis (4) and along circular trace one
The rhythm of rolling on a direction of rotation and rotate the rolling to inhibit ship (1), which is characterized in that the mass block
(5) position, i.e. tilt angle are configured to the tilt angle relative to the ship by alternately braking the mass block
(5) rotary motion and alternating enhances the rotary motion of the mass block (5) to adjust, while to generate relative to the rolling
The reaction torque of dynamic movement, and described device include for store energy accumulator (9) on the ship of braking energy and
Enhance the element (8,10) of the rotation of the mass block using the braking energy of storage, and described be adapted to will be described
The rotary motion of mass block (5), which is maintained at, lags behind the mass block corresponding with the extreme position of the rolling movement
Extreme lower position 70-110 degree in the range of.
7. device according to claim 6, which is characterized in that the plane where the rotational trajectory of the center of gravity of the mass block
The relatively large distance above the rolling axis of ship, and the relatively large distance is at least the 1/4 of the ship height, preferably extremely
Lack 1/3, or at the top of the ship even on upper deck.
8. device according to claim 6 or 7, which is characterized in that braking phase is arranged to the one of the mass block
Occur twice during secondary rotation, and the energy consumption phase for enhancing the rotary motion is arranged in the mass block
It is primary rotation during with it is described braking alternately twice.
9. device a method according to any one of claims 6-8, which is characterized in that the rotary motion quilt of the mass block
It is set as being braked by generator (7), and is arranged to store the battery (9) on the ship by the electric energy that braking generates
In, the energy of the battery is arranged to be used for enhancing the rotation of the mass block.
10. the device according to any one of claim 6-9, which is characterized in that described device includes described for monitoring
The sensor (12) of the rollability of ship and for that will brake the rotation and enhance the rotation and the gradient of the ship
The synchronous adjustment device (8-11) of predetermined point, the position of the predetermined point depends on the rollability.
11. the device according to any one of claim 6-10, which is characterized in that the length of the ship (1) is greater than institute
4 times for stating the width of ship, and the weight of the mass block (5) is less than the 10% of the weight of the ship.
12. the device according to any one of claim 6-11, which is characterized in that multiple devices are arranged in rows in ship
On, described device is synchronized with each other generally to run in same phase, wherein the position of the mass block, i.e. rotation angle are substantially
It is upper identical.
13. the device according to any one of claim 6-13, which is characterized in that there are two overlappings to turn for described device tool
Son, described two overlapping rotors are suitable for rotating in opposite directions, and the mass block (5) of the first rotor is suitable for along the vertical axis
(4) it rotates, and bitrochanteric mass block (15) bearing installation (19) is rotated with surrounding vertical axis (4), and the power generation
The stator (16) of machine is suitable for rotating together with vertical axis (4) and the rotor (14) of the generator is suitable for and second rotor
The mass block (15) rotate together.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20175039 | 2017-01-19 | ||
FI20175039A FI128548B (en) | 2017-01-19 | 2017-01-19 | Method and device for reducing rolling of a ship and for recovering rolling movement energy |
PCT/FI2017/050836 WO2018134471A1 (en) | 2017-01-19 | 2017-11-28 | Method for dampening the rolling of a vessel and recovering the energy of the rolling motion |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110072771A true CN110072771A (en) | 2019-07-30 |
Family
ID=60997502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201780077518.7A Pending CN110072771A (en) | 2017-01-19 | 2017-11-28 | For inhibiting ship to roll and restoring the method for rolling movement energy |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN110072771A (en) |
FI (1) | FI128548B (en) |
WO (1) | WO2018134471A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111846181A (en) * | 2020-06-22 | 2020-10-30 | 上海矶怃科技有限公司 | Unmanned ship using gyro inertia sea wave power generation device |
CN113513452A (en) * | 2021-08-20 | 2021-10-19 | 中国华能集团清洁能源技术研究院有限公司 | Floating type fan and damping pool platform structure thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU443158A1 (en) * | 1972-12-29 | 1974-09-15 | Московский Ордена Трудового Красного Знамени Геологоразведочный Институт Им. С.Орджоникидзе | Stabilizing mechanism for floating drilling foundations |
DD157322A1 (en) * | 1981-01-28 | 1982-11-03 | Klaus Wagner | SCHLINGER DAMAGING PLANT FOR SHIPS |
GB2508400A (en) * | 2012-11-30 | 2014-06-04 | Univ Southampton | Gyroscopic system with power generation |
EP2839145A2 (en) * | 2012-04-17 | 2015-02-25 | Wello Oy | Method for converting the energy of water waves into electricity by means of a wave power plant and a wave power plant |
WO2016110610A1 (en) * | 2015-01-09 | 2016-07-14 | Wello Oy | Method and system for adjusting the torque of a mass and spinning wheel rotator in a wave power plant |
-
2017
- 2017-01-19 FI FI20175039A patent/FI128548B/en not_active IP Right Cessation
- 2017-11-28 CN CN201780077518.7A patent/CN110072771A/en active Pending
- 2017-11-28 WO PCT/FI2017/050836 patent/WO2018134471A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU443158A1 (en) * | 1972-12-29 | 1974-09-15 | Московский Ордена Трудового Красного Знамени Геологоразведочный Институт Им. С.Орджоникидзе | Stabilizing mechanism for floating drilling foundations |
DD157322A1 (en) * | 1981-01-28 | 1982-11-03 | Klaus Wagner | SCHLINGER DAMAGING PLANT FOR SHIPS |
EP2839145A2 (en) * | 2012-04-17 | 2015-02-25 | Wello Oy | Method for converting the energy of water waves into electricity by means of a wave power plant and a wave power plant |
GB2508400A (en) * | 2012-11-30 | 2014-06-04 | Univ Southampton | Gyroscopic system with power generation |
WO2016110610A1 (en) * | 2015-01-09 | 2016-07-14 | Wello Oy | Method and system for adjusting the torque of a mass and spinning wheel rotator in a wave power plant |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111846181A (en) * | 2020-06-22 | 2020-10-30 | 上海矶怃科技有限公司 | Unmanned ship using gyro inertia sea wave power generation device |
CN111846181B (en) * | 2020-06-22 | 2022-09-23 | 上海矶怃科技有限公司 | Unmanned ship using gyro inertia wave power generation device |
CN113513452A (en) * | 2021-08-20 | 2021-10-19 | 中国华能集团清洁能源技术研究院有限公司 | Floating type fan and damping pool platform structure thereof |
CN113513452B (en) * | 2021-08-20 | 2023-08-29 | 中国华能集团清洁能源技术研究院有限公司 | Floating fan and damping pool platform structure thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2018134471A1 (en) | 2018-07-26 |
FI20175039A (en) | 2018-07-20 |
FI128548B (en) | 2020-07-31 |
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