CN104675635B - A kind of oscillating airfoil TRT equipped with corner amplifier - Google Patents
A kind of oscillating airfoil TRT equipped with corner amplifier Download PDFInfo
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- CN104675635B CN104675635B CN201510103142.5A CN201510103142A CN104675635B CN 104675635 B CN104675635 B CN 104675635B CN 201510103142 A CN201510103142 A CN 201510103142A CN 104675635 B CN104675635 B CN 104675635B
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- blade
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- bent axle
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Classifications
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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
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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
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
-
- 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
- F03D—WIND MOTORS
- F03D5/00—Other wind motors
- F03D5/06—Other wind motors the wind-engaging parts swinging to-and-fro and not rotating
-
- 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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
-
- 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
- Y02E10/70—Wind energy
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Oceanography (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention provides a kind of oscillating airfoil TRT equipped with corner amplifier, including two vertical racks, blade, two corner amplifiers, two connecting rods, bent axle and generator, slide rail is provided with each vertical rack, sliding block is set with each slide rail, the end of each sliding block and the mounting bracket of corner amplifier are connected, pinion shaft is installed on the mounting bracket of each corner amplifier, commutating tooth wheel shaft and Large Gear Shaft, pinion shaft, little gear is respectively installed with commutating tooth wheel shaft and Large Gear Shaft, tumbler gear and gear wheel, the rotating shaft of blade is fixedly connected with two pinion shafts respectively through the end bulkheads, one end of two connecting rods is separately mounted on two gear wheels, the other end of two connecting rods is hinged with the correspondence position of bent axle respectively, flying wheel is installed at the both ends of bent axle respectively and one end therein is connected with generator.The present invention can make blade it is determined that Oscillation Amplitude in keep ideal range of angles of attack, increase substantially energy acquisition efficiency.
Description
Technical field
The present invention relates to a kind of wind energy, tidal current energy generating equipment, more particularly to a kind of oscillating airfoil equipped with corner amplifier
TRT.
Background technology
Wind energy, marine tidal-current energy are that a kind of reserves are abundant, the regenerative resource of cleanliness without any pollution.This kind of development of resources can be effective
The environmental pollution that fossil energy consumption is brought is reduced, alleviates fossil energy worsening shortages problem.But some current common transducings
The energy conversion efficiency of device is relatively low, limits effective utilization of the mankind to renewable resource, therefore develops and efficient stable
Energy transducing head is wind energy, the core technology of marine tidal-current energy generating.
The transducing head of main flow is divided by structure type at present, can be divided into perpendicular axis type turbine and horizontal axial type turbine.Hang down
Diacytic type turbine advantage is available with the incoming of different directions, but controls blade to rotate and certain difficulty be present；Horizontal axial type wheel
Machine uses propeller type blades, stable, can be conveniently overhauled, but is unfavorable for arranging in depth of water confined area.
Oscillating airfoil is a kind of effective wind energy, marine tidal-current energy sampling instrument, by the oscillating airfoil running orbit of design optimization, is closed
The reciprocating stroke and angle of attack amplitude, oscillating airfoil of the setting oscillating airfoil of reason can obtain higher energy acquisition efficiency.Oscillating airfoil leads to
Cross a set of mechanical mechanism and drive generator operation, realize highly effective gathering with utilizing.
Horizontal axial type turbine blade is inswept, and region is circle, and attack angle of blade is fixed；A blade part for perpendicular axis type turbine
On the water surface, blade underwater portion is inswept, and region is rectangle, and attack angle of blade is fixed or a small range changes；Oscillatory type blade
It is totally submerged under the water surface, inswept region is rectangle, so under same scale, vibration blade tidal current energy generating equipment blade is swept
Area maximum is plunderred, more can sufficiently utilize marine tidal-current energy resource.
The content of the invention
The invention aims to provide, one kind is simple in construction, generating efficiency is high, kinetic characteristic is controllable and has merged life
The oscillating airfoil TRT equipped with corner amplifier for the mechanical characteristic that thing waves.
The object of the present invention is achieved like this：Including two vertical racks, blade, two corner amplifiers, two companies
Bar, bent axle and generator, slide rail is provided with each vertical rack, sliding block, the end of each sliding block are set with each slide rail
Be connected with the mounting bracket of corner amplifier, be provided with the mounting bracket of each corner amplifier pinion shaft, commutating tooth wheel shaft and
Large Gear Shaft, little gear, tumbler gear and gear wheel are respectively installed with pinion shaft, commutating tooth wheel shaft and Large Gear Shaft, and
Little gear engages with tumbler gear, and tumbler gear engages with gear wheel, the both ends difference mounting end dividing plate of the blade, blade
Rotating shaft be fixedly connected respectively with two pinion shafts through the end bulkheads, one end of two connecting rods is separately mounted to two
On gear wheel, the connecting rod neck of the other ends of two connecting rods respectively with the correspondence position of bent axle is hinged, and the both ends of bent axle are installed respectively
Flying wheel and one end therein is connected with generator.
Present invention additionally comprises some such architectural features：
1. two counterweight blocks are also symmetrically arranged with bent axle.
2. one end of bent axle and two rod hinge connections is respectively provided to few two hinge holes, two connecting rods are hinged with bent axle
One end is also respectively provided to two hinge holes of few setting.
3. the rotating shaft at blade both ends is arranged on the mean chord strong point away from blade inlet edge 1/3rd.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is simple in construction, is easy to process, in incoming
It can realize under promoting and voluntarily start, voluntarily keep on the go, maintenance cost is low, and reliability is high, is sent out in wind-power electricity generation, marine tidal-current energy
Electrical domain has broad application prospects.The present invention sets multiple hinges by designing bent axle and bar linkage structure near connection end
Hole is connect, is combined by the bent axle hinge hole different with connecting rod, realizes the different Oscillation Amplitudes control of blade；Connecting rod turns with bent axle
Dynamic, corner is relatively small, can be amplified and passed to blade by corner amplifying device, greatly improves blade and the effective of incoming attacks
Angle, the simulation and control to fish tail swing emulating can be achieved to the control moved back and forth with rotational motion, can suit measures to local conditions to adjust leaf
The running orbit of piece, the optimal energy acquisition efficiency of realization device.Under same scale, blade of the invention is relative to other forms
Wind energy, tidal current energy generating equipment, its blade swept area is larger, can gather more energy.By setting counterweight block
And flying wheel, device can operate steadily, speed of crankshaft can keep stable, device is had stable energy output.The present invention
Predominantly up-down vibration and along with rotation, can be largely avoided revolving trunnion axis blower fan or the hydraulic turbine to biology
Injury.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the structural representation of the blade of the present invention；
Fig. 3 is the bent axle of the present invention and the schematic diagram of rod hinge connection；
Fig. 4 is the corner amplifier of the present invention and the connection diagram of blade；
Fig. 5 is the internal structure schematic diagram of the corner amplifier of the present invention.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1 to Fig. 5, the present invention include two vertical racks 4,9, two, blade, 8, two, corner amplifier connecting rod 5,
Bent axle 3 and generator 1, slide rail 6 is provided with each vertical rack 4, is set with sliding block 7 on each slide rail 6, and sliding block 7 can be with
Slided up and down on slide rail 6, the end of each sliding block 7 is connected with 8 mounting brackets 18 of corner amplifier, each corner amplification
Pinion shaft, commutating tooth wheel shaft and Large Gear Shaft, pinion shaft, commutating tooth wheel shaft and canine tooth are installed on the mounting bracket 18 of device 8
Little gear 15, tumbler gear 16 and gear wheel 17 are respectively installed with wheel shaft, and little gear 15 engages with tumbler gear 16, commutation
Gear 16 is engaged with gear wheel 17, namely the gear wheel 17 in corner amplifier 8 is fixedly connected with connecting rod 5, in corner amplifier 8
Pinion shaft be fixedly connected with the rotating shaft 14 of blade 9, the 5 vertical reciprocating motion of rotation drivening rod of bent axle 3 and with the cycle
Property swing, suitably amplified by corner amplifier 8, can rationally control the effective angle of attack between blade 9 and incoming；The blade 9
Both ends difference mounting end dividing plate 10, the end bulkheads 10 of setting can reduce the three-dismensional effect of the end of blade 9, the rotating shaft of blade
14 are fixedly connected with two pinion shafts respectively through the end bulkheads 10, and one end of two connecting rods 5 is separately mounted to two
On gear wheel 17, the connecting rod neck of the other ends of two connecting rods 5 respectively with the correspondence position of bent axle 3 is hinged, the both ends difference of bent axle 3
Flying wheel 2 is installed and one end therein is connected with generator 1, the flying wheel 2 of setting can keep the steady operating of the present invention.This
Invention can also be：Two counterweight blocks 11 are also symmetrically arranged with bent axle 3, counterweight block 11 is arranged on the company of corresponding bent axle 3
On bar neck, and the counterweight block 11 set can balance the gravity including corner amplifier, connecting rod and blade of the present invention,
Avoid flutter during operating；Bent axle 3 is respectively provided to few two with one end (corresponding connecting rod neck portion) that two connecting rods 5 are hinged
Hinge hole, two connecting rods 5 are also respectively provided to two hinge holes of few setting with one end that bent axle 3 is hinged, set multiple hinge holes
Different hinge hole combinations can be achieved, and then control the different Oscillation Amplitude of blade 9 and connecting rod corner amplitude；The both ends of blade 9
Rotating shaft 14 is arranged on the mean chord strong point away from the leading edge 1/3rd of blade 9.
Generally speaking, the energy conversion of wind, trend can be driven electrical power generators by the present invention for the reciprocating motion of machinery, this
Two supports 4 of invention are all vertical type, and two slide rails 6 are fixed on two supports 4 vertically respectively.The rotating shaft 14 at blade both ends
Corner amplifier 8 is respectively connected with, corner amplifier 8 is fixedly connected with sliding block 7, and sliding block 7 is on slide rail 6.Blade 9 is in incoming
Along the up-down vibration of slide rail 6 under effect, the continuous rotation for being converted to bent axle 3 will be moved by crank block principle, drive and generate electricity
Machine 1 is run.And the continuous rotation of bent axle 3 makes connecting rod 5 and slide rail 6 have certain angle, suitably amplified by corner amplifier 8, can
Adjust blade 9 and the effective angle of attack of incoming.
The present invention specific work process be：As shown in figure 1, when the present invention is in incoming, incoming 12 impacts blade, pushes away
Movable vane piece 9 is moved downward, and blade 9 is rotated by connecting rod 5 with dynamic crankshaft 3.Bent axle 3, which rotates, makes connecting rod 5 change with respect to the corner of slide rail 6
Become, suitably amplified by corner amplifier 8, pass to blade 9, the as new angle of attack of blade 9.When blade 9 moves to peak
Or during minimum point, bent axle 3, connecting rod 5 are parallel with slide rail 6, the corner of blade 9 is 0 °, and after peak, blade 9 is with respect to incoming 12
The angle of attack is reverse, and of the invention then drive by flying wheel 2 so realizes the reciprocating of mechanism by equilbrium position.Namely
When blade 9 is in highest point and lowest part, (oscillating airfoil) chord length of blade 9 direction is horizontal, and connecting rod 5 is parallel with slide rail 6；Blade 9
Corner is maximum when in an intermediate position, and the present invention is also suitable for different wind speed or strength of current.
The up-down vibration of blade 9 is converted into the continuous rotation of bent axle 3 by bent axle-connecting rod-slide block mechanism by the present invention, leads to
Cross and different throw of crankshaft (namely connecting rod neck portion of bent axle) and the length of connecting rod 5 are set, and leaf is controlled using corner amplifier 8
The angle of attack of the relative level incoming of piece 9, can accurately set the running orbit of blade 9, and blade 9 can be made to keep ideal vibration width
Degree and range of angles of attack, device marine tidal-current energy collecting efficiency is improved by a relatively large margin.
When the present invention is used as tidal current energy generating equipment in use, bent axle 3 is located on the water surface 13, slide rail 6 be located at the water surface it
Under, blade 9 is totally submerged in water, and the position highest point of blade 9 maintains a certain distance with the water surface, with reduce the scope of freedom for
The adverse effect of blade energy acquisition.When the present invention is used as wind power generation plant, whole device is then adapted to inversion to come, bent axle
3 structures and generator 1 are in lower end, using ground pile foundation as support.
Claims (5)
- A kind of 1. oscillating airfoil TRT equipped with corner amplifier, it is characterised in that：Including two vertical racks, blade, two Individual corner amplifier, two connecting rods, bent axle and generator, slide rail is provided with each vertical rack, is set with each slide rail Sliding block, the end of each sliding block and the mounting bracket of corner amplifier are connected, and are provided with the mounting bracket of each corner amplifier small Gear shaft, commutating tooth wheel shaft and Large Gear Shaft, be respectively installed with pinion shaft, commutating tooth wheel shaft and Large Gear Shaft little gear, Tumbler gear and gear wheel, and little gear engages with tumbler gear, tumbler gear engages with gear wheel, the both ends point of the blade Other mounting end dividing plate, the rotating shaft of blade are fixedly connected with two pinion shafts respectively through the end bulkheads, two connecting rods One end be separately mounted on two gear wheels, the other ends of two connecting rods is cut with scissors with the connecting rod neck of the correspondence position of bent axle respectively Connect, flying wheel is installed at the both ends of bent axle respectively and one end therein is connected with generator.
- A kind of 2. oscillating airfoil TRT equipped with corner amplifier according to claim 1, it is characterised in that：On bent axle Also it is symmetrically arranged with two counterweight blocks.
- A kind of 3. oscillating airfoil TRT equipped with corner amplifier according to claim 1 or 2, it is characterised in that：It is bent One end of axle and two rod hinge connections is respectively provided to few two hinge holes, and one end that two connecting rods are hinged with bent axle is also set respectively Put at least provided with two hinge holes.
- A kind of 4. oscillating airfoil TRT equipped with corner amplifier according to claim 1 or 2, it is characterised in that：Leaf The rotating shaft at piece both ends is arranged on the mean chord strong point away from blade inlet edge 1/3rd.
- A kind of 5. oscillating airfoil TRT equipped with corner amplifier according to claim 3, it is characterised in that：Blade two The rotating shaft at end is arranged on the mean chord strong point away from blade inlet edge 1/3rd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103142.5A CN104675635B (en) | 2015-03-10 | 2015-03-10 | A kind of oscillating airfoil TRT equipped with corner amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103142.5A CN104675635B (en) | 2015-03-10 | 2015-03-10 | A kind of oscillating airfoil TRT equipped with corner amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104675635A CN104675635A (en) | 2015-06-03 |
| CN104675635B true CN104675635B (en) | 2018-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510103142.5A Active CN104675635B (en) | 2015-03-10 | 2015-03-10 | A kind of oscillating airfoil TRT equipped with corner amplifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989589A (en) * | 2015-07-22 | 2015-10-21 | 武汉理工大学 | Simple wave power generation device |
| CN105909461B (en) * | 2016-05-30 | 2018-02-27 | 西安交通大学 | A kind of double flapping wing TRTs |
| RU2641176C2 (en) * | 2016-07-13 | 2018-01-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | Device for conversion of renewable energy |
| CN108019311B (en) * | 2018-01-05 | 2024-05-24 | 中国科学技术大学 | Tandem wing tidal current energy capturing device |
| CN109733528A (en) * | 2019-02-15 | 2019-05-10 | 哈尔滨工程大学 | A kind of bionical hydraulic jet propulsion system peculiar to vessel |
| CN110469452B (en) * | 2019-09-23 | 2020-12-25 | 哈尔滨工业大学（威海） | Ground effect wing tidal current energy power generation device |
| FR3111955A1 (en) * | 2020-06-30 | 2021-12-31 | Tunetif | Aerogenerator device, respectively hydrogenerator, provided with a sliding wing. |
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|---|---|---|---|---|
| US3995972A (en) * | 1975-07-07 | 1976-12-07 | Nassar Esam M | Wind machine with reciprocating blade means |
| DE2403062C2 (en) * | 1973-02-21 | 1985-03-07 | United Technologies Corp., Hartford, Conn. | Blade adjustment device for the fan of a turbofan engine |
| CN86107684A (en) * | 1985-11-12 | 1987-05-27 | 通用电气公司 | Propeller/fan pitch feathering apparatus |
| US4915584A (en) * | 1988-08-11 | 1990-04-10 | Daniel Kashubara | Wind device with an oscillating blade |
| CN1180635A (en) * | 1996-09-17 | 1998-05-06 | 沃依特·海德罗公司 | Straight wing propeller |
| DE10009468A1 (en) * | 2000-02-28 | 2001-09-13 | Guenter Freudenau | Wind power machine has at least one aero-dynamic profile connected to at least one crank and at least guide and with at least one complete revolution of crank, profile is movable into different wind attack angles |
| CN103925161A (en) * | 2014-04-29 | 2014-07-16 | 哈尔滨工程大学 | Vibration wing wind energy and tidal current energy conversion device with tracks controlling attack angle |
| CN204553095U (en) * | 2015-03-10 | 2015-08-12 | 哈尔滨工程大学 | A kind of oscillating airfoil electricity generating device that corner amplifier is housed |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2902071B2 (en) * | 1990-08-02 | 1999-06-07 | 三菱重工業株式会社 | Helicopter rotor vibration isolator |
| US8278776B1 (en) * | 2011-03-18 | 2012-10-02 | Floyd Arntz | Reciprocating wind-powered transducer employing interleaved airfoil arrays |
-
2015
- 2015-03-10 CN CN201510103142.5A patent/CN104675635B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2403062C2 (en) * | 1973-02-21 | 1985-03-07 | United Technologies Corp., Hartford, Conn. | Blade adjustment device for the fan of a turbofan engine |
| US3995972A (en) * | 1975-07-07 | 1976-12-07 | Nassar Esam M | Wind machine with reciprocating blade means |
| CN86107684A (en) * | 1985-11-12 | 1987-05-27 | 通用电气公司 | Propeller/fan pitch feathering apparatus |
| US4915584A (en) * | 1988-08-11 | 1990-04-10 | Daniel Kashubara | Wind device with an oscillating blade |
| CN1180635A (en) * | 1996-09-17 | 1998-05-06 | 沃依特·海德罗公司 | Straight wing propeller |
| DE10009468A1 (en) * | 2000-02-28 | 2001-09-13 | Guenter Freudenau | Wind power machine has at least one aero-dynamic profile connected to at least one crank and at least guide and with at least one complete revolution of crank, profile is movable into different wind attack angles |
| CN103925161A (en) * | 2014-04-29 | 2014-07-16 | 哈尔滨工程大学 | Vibration wing wind energy and tidal current energy conversion device with tracks controlling attack angle |
| CN204553095U (en) * | 2015-03-10 | 2015-08-12 | 哈尔滨工程大学 | A kind of oscillating airfoil electricity generating device that corner amplifier is housed |
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|---|---|
| CN104675635A (en) | 2015-06-03 |
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