CN102251902A - Variable-propeller-pitch water turbine and tide generating device - Google Patents
Variable-propeller-pitch water turbine and tide generating device Download PDFInfo
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- CN102251902A CN102251902A CN201110165738XA CN201110165738A CN102251902A CN 102251902 A CN102251902 A CN 102251902A CN 201110165738X A CN201110165738X A CN 201110165738XA CN 201110165738 A CN201110165738 A CN 201110165738A CN 102251902 A CN102251902 A CN 102251902A
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- water turbine
- wheel hub
- blade
- bevel gear
- motor
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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
- F03B13/26—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 tide energy
- F03B13/264—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 tide energy using the horizontal flow of water resulting from tide movement
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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
- F05B2260/00—Function
- F05B2260/50—Kinematic linkage, i.e. transmission of position
- F05B2260/503—Kinematic linkage, i.e. transmission of position using gears
- F05B2260/5032—Kinematic linkage, i.e. transmission of position using gears of the bevel or angled type
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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
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
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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
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a variable-propeller-pitch water turbine and a tide generating device. The variable-propeller-pitch water turbine provided by the invention comprises a shell, a wheel hub, a blade, a cabin and a propeller pitch regulating device, wherein the shell is fixedly arranged on the wheel hub; the wheel hub is in transmission connection with the generator of the cabin; the propeller pitch regulating device comprises a motor and a first bevel gear; the first bevel gear is in transmission connection with the motor; the motor is fixed on the wheel hub; a blade handle shaft is arranged at the lower end part of the blade; the blade handle shaft is arranged on the wheel hub through a shaft sleeve; a second bevel gear is arranged on the blade handle shaft; and the first bevel gear is meshed with the second bevel gear. In the invention, the blade is driven by the propeller pitch regulating device to rotate; when the tide flow speed is low, the deflection angle of the blade enables the variable-propeller-pitch water turbine to rotate; after the rotating speed of the variable-propeller-pitch water turbine reaches a certain rotating speed, the deflection angle of the blade is regulated, thereby enabling the energy conversion efficiency of the variable-propeller-pitch water turbine to reach the maximum; and when the tide is in the reverse direction, the blade is driven by the propeller pitch regulating device to rotate at 180 degrees, thereby enabling the variable-propeller-pitch water turbine to reversely rotate for generating electricity.
Description
Technical field
The present invention relates to machinery, relate in particular to a kind of feather water turbine and tidal generating set.
Background technique
The ocean trend is very little to the influence of environment as a kind of cleaning, renewable energy sources, and aboundresources, and countries in the world are all being strengthened the research and the investment of trend energy generation technology at present.Tidal generating set is a kind of equipment that utilizes the ocean trend to generate electricity of using always, tidal generating set is generated electricity by water turbine usually, the blade that the ocean trend drives in the water turbine drives the wheel hub rotation, and the generator rotation that the wheel hub in the rotation drives in the cabin realizes generating.Yet when trend mobile speed in ocean is on the low side, will causes the water turbine in the tidal generating set to be not easy to run up, even can not generate electricity; When trend mobile speed in ocean changes, water turbine generated output shakiness, and can not under higher capacitation efficiency term, generate electricity all the time; When 180 ° of variations took place ocean trend flow direction, under the situation that does not change the water turbine direction, the angle of wheel hub blade can not satisfy the requirement of efficient power generation.Therefore, the generating efficiency that causes affected by environment is lower easily for tidal generating set of the prior art.
Summary of the invention
Technical problem to be solved by this invention is: a kind of feather water turbine and tidal generating set are provided, solve the tidal generating set of the prior art lower defective of generating efficiency that causes affected by environment easily, improve the generating efficiency of tidal generating set by the feather water turbine.
Technological scheme provided by the invention is, a kind of feather water turbine, comprise outer cover, wheel hub, blade and cabin, described outer cover is installed on the described wheel hub, the generator in described wheel hub and described cabin is in transmission connection, and also comprises: the pitched device, and described pitched device comprises the motor and first bevel gear, described first bevel gear is connected with described electric-motor-driving, and described motor is fixed on the described wheel hub; The underpart of described blade is provided with petiole shaft, and described petiole shaft is arranged on the described wheel hub by axle sleeve, and described petiole shaft is provided with second bevel gear, described first bevel gear and the engagement of described second bevel gear.
Feather water turbine provided by the invention, can adjust blade by the pitched device rotates with respect to wheel hub, making blade can turn to the ability that suitable angle makes full use of the ocean trend generates electricity, minimizing has improved the generating efficiency of tidal generating set because of the changeable feather rotational speed of water turbine that causes of speed direction on the low side that the ocean trend flows hangs down the not even generation of electric phenomenon by the feather water turbine.The pitched device can drive vane rotate, and adjusts the angle of blade with respect to wheel hub according to the tidal current speed and the flow direction.When tidal current speed is low, adjusts the blade drift angle water turbine can be run up.After the feather water turbine runs up the rotating speed that reaches certain, adjust the blade drift angle again, make the energy conversion efficiency of feather water turbine reach maximum, improve the efficient of tidal generating set.When trend was reverse, pitched device drive vane was rotated 180 °, under the situation that the feather water turbine does not commutate, and feather water turbine counter-rotating generating.In a word, the feather water turbine realizes that easily low speed runs up, and can also realize catching of peak output, and suitable two-way trend is generated electricity.
Aforesaid feather water turbine, described pitched device also comprises retarder and installing sleeve, described retarder is installed in the described installing sleeve, described first bevel gear is connected with the output shaft of described retarder, described motor is connected with described input shaft of speed reducer, and described installing sleeve is installed on the end face of described wheel hub.
Aforesaid feather water turbine, described motor are DC servo motor.
Aforesaid feather water turbine, described pitched device is between described outer cover and described wheel hub.
Aforesaid feather water turbine also comprises main shaft, and an end of described main shaft is installed on the described wheel hub, and the other end of described main shaft is inserted in the described cabin and is in transmission connection with the generator in described cabin; Described main shaft offers through hole along axial direction, and the power line of described motor passes described through hole.
Aforesaid feather water turbine also comprises Hall transducer, and described Hall transducer is arranged on described second bevel gear, and the lead of described Hall transducer passes described through hole.
Aforesaid feather water turbine, the other end of described main shaft also is provided with conducting slip ring, and the lead of described Hall transducer and the power line of described motor are electrically connected with described conducting slip ring.
Technological scheme provided by the invention is that a kind of tidal generating set comprises aforesaid feather water turbine.
Feather water turbine provided by the invention, can adjust blade by the pitched device rotates with respect to wheel hub, making blade can turn to the ability that suitable angle makes full use of the ocean trend generates electricity, minimizing has improved the generating efficiency of tidal generating set because of the changeable feather rotational speed of water turbine that causes of speed direction on the low side that the ocean trend flows hangs down the not even generation of electric phenomenon by the feather water turbine.The pitched device can drive vane rotate, and adjusts the angle of blade with respect to wheel hub according to the tidal current speed and the flow direction.When tidal current speed is low, adjusts the blade drift angle water turbine can be run up.After the feather water turbine runs up the rotating speed that reaches certain, adjust the blade drift angle again, make the energy conversion efficiency of feather water turbine reach maximum, improve the efficient of tidal generating set.When trend was reverse, pitched device drive vane was rotated 180 °, under the situation that the feather water turbine does not commutate, and feather water turbine counter-rotating generating.In a word, the feather water turbine realizes that easily low speed runs up, and can also realize catching of peak output, and suitable two-way trend is generated electricity.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is feather water turbine embodiment's of the present invention structural representation;
Fig. 2 is the local enlarged diagram of a-quadrant among Fig. 1;
Fig. 3 is the local enlarged diagram in B zone among Fig. 1.
Embodiment
For the purpose, technological scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who is obtained under the creative work prerequisite.
Fig. 1 is feather water turbine embodiment's of the present invention structural representation, and Fig. 2 is the local enlarged diagram of a-quadrant among Fig. 1, and Fig. 3 is the local enlarged diagram in B zone among Fig. 1.As shown in Figure 1-Figure 3, present embodiment feather water turbine, comprise outer cover 1, wheel hub 2, blade 3 and cabin 4, outer cover 1 is installed on the wheel hub 2, wheel hub 2 is in transmission connection with the generator (not shown) in cabin 1, and present embodiment feather water turbine also comprises: pitched device, pitched device comprise the motor 5 and first bevel gear 6, first bevel gear 6 is in transmission connection with motor 5, and motor 5 is fixed on the wheel hub 2; The underpart of blade 3 is provided with petiole shaft 31, and petiole shaft 31 is arranged on the wheel hub 2 by axle sleeve 32, and petiole shaft 31 is provided with second bevel gear, 33, the first bevel gears 6 and 33 engagements of second bevel gear.
Particularly, blade 3 in the present embodiment feather water turbine can rotate with respect to wheel hub 2, by blade 3 is turned to suitable angle, can guarantee that blade 3 utilizes ocean trend driven wheel hub 2 to rotate, thereby make the tidal generating set that is equipped with present embodiment feather water turbine can uninterruptable power generation.Petiole shaft 31 on the blade 3 is arranged on by axle sleeve 32 on the circumferencial direction of wheel hub 2, wherein, a plurality of blades 3 can be set evenly on the circumferencial direction of wheel hub 2, for example: two blades 3, three blades 3 or six blades 3.When needing the angle of adjusting vane 3, motor 5 drives first bevel gear 6 and rotates, and rotates thereby make with second bevel gear 33 of first bevel gear, 6 engagements, drives blade 3 by second bevel gear 33 and turns to suitable angular range.The pitched device can drive vane 3 rotate, and adjusts the angle of blade 3 with respect to wheel hub 2 according to the tidal current speed and the flow direction.When tidal current speed is low, adjusts blade 3 drift angles present embodiment feather water turbine can be run up.After present embodiment feather water turbine runs up the rotating speed that reaches certain, adjust blade 3 drift angles again, make the energy conversion efficiency of present embodiment feather water turbine reach maximum, improve the efficient of tidal generating set.When trend was reverse, pitched device drive vane 3 was rotated 180 °, under the situation that present embodiment feather water turbine does not commutate, and present embodiment feather water turbine counter-rotating generating.In a word, present embodiment feather water turbine realizes that easily low speed runs up, and can also realize catching of peak output, and suitable two-way trend is generated electricity.
Further, pitched device in the present embodiment can also comprise retarder 7 and installing sleeve 71, retarder 7 is installed in the installing sleeve 71, first bevel gear 6 is connected with the output shaft (not shown) of retarder 7, motor 5 is connected with the input shaft (not shown) of retarder 7, and installing sleeve 71 is installed on the end face of wheel hub 2.Concrete, the power of motor 5 outputs is passed to first bevel gear 6 by retarder 7, can realize exporting bigger torque and rotate synchronously to drive a plurality of blades 3 simultaneously.In addition, the motor 5 in the present embodiment can be DC servo motor, by DC servo motor self with encoder accurately control direction and the size that blade 3 rotates, thereby can control the angle that blade 3 rotates accurately.
Further, for the structure that makes present embodiment feather water turbine is compact more, volume is littler, the pitched device in the present embodiment can be between outer cover 1 and wheel hub 2.Concrete, motor 5 and retarder 7 are between outer cover 1 and wheel hub 2, and first bevel gear 6 can be arranged in the wheel hub 2 and 33 engagements of second bevel gear, has made full use of the space that outer cover 1 and wheel hub 2 form, and makes the structure of present embodiment feather water turbine compact more, volume is littler.
In addition, present embodiment feather water turbine can adopt the motive sealing processing with cabin 4 except that petiole shaft 31 and axle sleeve 32 and main shaft 8, and other positions can adopt static seal to handle.
Present embodiment feather water turbine, can adjust blade by the pitched device rotates with respect to wheel hub, making blade can turn to the ability that suitable angle makes full use of the ocean trend generates electricity, minimizing has improved the generating efficiency of tidal generating set because of the changeable feather rotational speed of water turbine that causes of speed direction on the low side that the ocean trend flows hangs down the not even generation of electric phenomenon by the feather water turbine.The pitched device can drive vane rotate, and adjusts the angle of blade with respect to wheel hub according to the tidal current speed and the flow direction.When tidal current speed is low, adjusts the blade drift angle water turbine can be run up.After the feather water turbine runs up the rotating speed that reaches certain, adjust the blade drift angle again, make the energy conversion efficiency of feather water turbine reach maximum, improve the efficient of tidal generating set.When trend was reverse, pitched device drive vane was rotated 180 °, under the situation that the feather water turbine does not commutate, and feather water turbine counter-rotating generating.In a word, the feather water turbine realizes that easily low speed runs up, and can also realize catching of peak output, and suitable two-way trend is generated electricity.
Based on technique scheme, optionally, present embodiment feather water turbine can also comprise main shaft 8, and an end of main shaft 8 is installed on the wheel hub 2, and the other end of main shaft 8 is inserted in the cabin 4 and is in transmission connection with the generator in cabin 4; Main shaft 8 offers through hole 81 along axial direction, and the power line of motor 5 passes through hole 81.
Particularly, for convenience of motor 5 operations in the outside control apparatus control present embodiment feather water turbine, the power line of motor 5 is connected by the control apparatus of through hole 81 with the outside.Further, in order to control the angle that blade 3 rotates more accurately and effectively, present embodiment feather water turbine can also comprise Hall transducer 34, and Hall transducer 34 is arranged on second bevel gear 33, and the lead of Hall transducer 34 passes through hole 81.Outside control apparatus carries out the blade angle zero adjustment according to Hall transducer 34 detected information.Motor 5 is a DC servo motor, and the encoder that carries by DC servo motor guarantees that the angle of blade 3 rotations is accurate.Further, motor 5 is connected with external control devices with Hall transducer 34 for convenience, and the other end of the main shaft 8 in the present embodiment also is provided with conducting slip ring 9, and the power line of the lead of Hall transducer 34 and motor 5 is electrically connected with conducting slip ring 9.
The present invention also provides a kind of tidal generating set, comprise the feather water turbine, feather water turbine in the present embodiment can adopt the feather water turbine among the feather water turbine embodiment of the present invention, its concrete structure can not repeat them here referring to the record of feather water turbine embodiment of the present invention and Fig. 1-Fig. 3.
Present embodiment feather water turbine, can adjust blade by the pitched device rotates with respect to wheel hub, making blade can turn to the ability that suitable angle makes full use of the ocean trend generates electricity, minimizing has improved the generating efficiency of tidal generating set because of the changeable feather rotational speed of water turbine that causes of speed direction on the low side that the ocean trend flows hangs down the not even generation of electric phenomenon by the feather water turbine.The pitched device can drive vane rotate, and adjusts the angle of blade with respect to wheel hub according to the tidal current speed and the flow direction.When tidal current speed is low, adjusts the blade drift angle water turbine can be run up.After the feather water turbine runs up the rotating speed that reaches certain, adjust the blade drift angle again, make the energy conversion efficiency of feather water turbine reach maximum, improve the efficient of tidal generating set.When trend was reverse, pitched device drive vane was rotated 180 °, under the situation that the feather water turbine does not commutate, and feather water turbine counter-rotating generating.In a word, the feather water turbine realizes that easily low speed runs up, and can also realize catching of peak output, and suitable two-way trend is generated electricity.
It should be noted that at last: above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (8)
1. feather water turbine, comprise outer cover, wheel hub, blade and cabin, described outer cover is installed on the described wheel hub, the generator in described wheel hub and described cabin is in transmission connection, it is characterized in that, also comprise: the pitched device, described pitched device comprises the motor and first bevel gear, described first bevel gear is connected with described electric-motor-driving, and described motor is fixed on the described wheel hub; The underpart of described blade is provided with petiole shaft, and described petiole shaft is arranged on the described wheel hub by axle sleeve, and described petiole shaft is provided with second bevel gear, described first bevel gear and the engagement of described second bevel gear.
2. feather water turbine according to claim 1, it is characterized in that, described pitched device also comprises retarder and installing sleeve, described retarder is installed in the described installing sleeve, described first bevel gear is connected with the output shaft of described retarder, described motor is connected with described input shaft of speed reducer, and described installing sleeve is installed on the end face of described wheel hub.
3. feather water turbine according to claim 1 is characterized in that, described motor is a DC servo motor.
4. feather water turbine according to claim 1 is characterized in that, described pitched device is between described outer cover and described wheel hub.
5. according to the arbitrary described feather water turbine of claim 1-4, it is characterized in that also comprise main shaft, an end of described main shaft is installed on the described wheel hub, the other end of described main shaft is inserted in the described cabin and is in transmission connection with the generator in described cabin; Described main shaft offers through hole along axial direction, and the power line of described motor passes described through hole.
6. feather water turbine according to claim 5 is characterized in that, also comprises Hall transducer, and described Hall transducer is arranged on described second bevel gear, and the lead of described Hall transducer passes described through hole.
7. feather water turbine according to claim 6 is characterized in that the other end of described main shaft also is provided with conducting slip ring, and the lead of described Hall transducer and the power line of described motor are electrically connected with described conducting slip ring.
8. a tidal generating set is characterized in that, comprises arbitrary described feather water turbine as claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110165738XA CN102251902A (en) | 2011-06-20 | 2011-06-20 | Variable-propeller-pitch water turbine and tide generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110165738XA CN102251902A (en) | 2011-06-20 | 2011-06-20 | Variable-propeller-pitch water turbine and tide generating device |
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| CN102251902A true CN102251902A (en) | 2011-11-23 |
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| CN201110165738XA Pending CN102251902A (en) | 2011-06-20 | 2011-06-20 | Variable-propeller-pitch water turbine and tide generating device |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345550A (en) * | 2011-09-13 | 2012-02-08 | 浙江大学 | Low-speed half direct-driven marine current energy power generation device |
| CN102966482A (en) * | 2012-12-12 | 2013-03-13 | 黄亚秀 | Vane height adjustable water turbine impeller |
| CN103397980A (en) * | 2013-08-02 | 2013-11-20 | 中国海洋石油总公司 | Variable-pitch mechanism of tidal current energy electricity generation water turbine |
| CN104454325A (en) * | 2014-10-24 | 2015-03-25 | 国电联合动力技术有限公司 | Variable pitch method for tidal current energy generating set |
| CN105065192A (en) * | 2015-08-26 | 2015-11-18 | 中国海洋大学 | Wireless variable pitch control system for blades of hydraulic turbine |
| CN105604769A (en) * | 2014-11-13 | 2016-05-25 | 布鲁诺·贝格曼 | Floating device generator |
| CN105840411A (en) * | 2016-04-15 | 2016-08-10 | 浙江大学 | Horizontal axis ocean current energy electric generator variable-pitch device and horizontal axis ocean current energy electric generator |
| CN106460770A (en) * | 2014-05-08 | 2017-02-22 | 阿尔斯通再生能源技术公司 | Double-regulated turbine, installation for converting hydraulic energy and process for the rehabilitation of a double-regulated turbine |
| CN107021221A (en) * | 2017-03-16 | 2017-08-08 | 昆明理工大学 | A kind of helicopter screw propeller displacement device |
| CN107989743A (en) * | 2017-12-07 | 2018-05-04 | 国家电网公司 | A kind of Kaplan turbine water-saving and synergistic adjusting method and regulating system |
| CN109185009A (en) * | 2018-09-07 | 2019-01-11 | 杭州江河水电科技有限公司 | A kind of impeller unit of the round-trip bimodal current of passive self-adaptive |
| CN109209899A (en) * | 2018-10-30 | 2019-01-15 | 河海大学 | A kind of vertical-type axial-flow pump |
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| CN110608128A (en) * | 2019-10-10 | 2019-12-24 | 杭州江河水电科技有限公司 | Tidal current energy power generation device |
| JP2020502430A (en) * | 2016-12-22 | 2020-01-23 | オービタル マリン パワー リミテッド | Power generator |
| CN111173666A (en) * | 2020-01-21 | 2020-05-19 | 山东交通学院 | Blade-adjustable tidal current energy water turbine experimental device and method |
| CN111594380A (en) * | 2020-04-03 | 2020-08-28 | 贵州电网有限责任公司 | Small-size aerogenerator aircraft nose of variable oar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345550B (en) * | 2011-09-13 | 2013-09-18 | 浙江大学 | Low-speed half direct-driven marine current energy power generation device |
| CN102345550A (en) * | 2011-09-13 | 2012-02-08 | 浙江大学 | Low-speed half direct-driven marine current energy power generation device |
| CN102966482A (en) * | 2012-12-12 | 2013-03-13 | 黄亚秀 | Vane height adjustable water turbine impeller |
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Application publication date: 20111123 |