CN109253047A - Small-sized wind power utilization device - Google Patents
Small-sized wind power utilization device Download PDFInfo
- Publication number
- CN109253047A CN109253047A CN201811449907.0A CN201811449907A CN109253047A CN 109253047 A CN109253047 A CN 109253047A CN 201811449907 A CN201811449907 A CN 201811449907A CN 109253047 A CN109253047 A CN 109253047A
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- fan blade
- wind energy
- lever
- angle
- attack
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
-
- 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
- F03D15/00—Transmission of mechanical power
-
- 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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
-
- 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
- F05B2270/00—Control
- F05B2270/60—Control system actuates through
- F05B2270/606—Control system actuates through mechanical actuators
-
- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
A kind of small-sized wind power utilization device, it include the removable wind energy plant support frame placed, one pair of fan blade lever, the identical fan blade of a pair of of aerodynamic characteristics, two pairs of sprocket wheels and chain being separately mounted in fan blade spindle and on bracket install the limited block of restricted lever rotation angle on bracket.There is spring assembly connection between fan blade spindle and lever, this wind power utilization device directly exports the turning moment that forward and reverse constantly switches by wind energy output shaft.Wind power utilization device of the present invention, fan blade can generate biggish torque by lever, and can be placed on any flat flat general work.Small portable adapts to wider wind speed range, and can both be independently operated, can also be used in combination with solar energy heating, current collecting equipment.
Description
Technical field
The present invention relates to a kind of wind energy utilization technology, especially a kind of small-sized wind power utilization device.
Background technique
Wind energy is that the Nature is the green energy resource that the mankind provide.People are largely to use wind using form to wind energy at present
Wheel, generates rotary force, for driving wind turbine power generation under wind energy;Also have and directly drive wind energy pump to be used to mention
It rises liquid (mainly water).
The structure type of wind wheel is divided into horizontal axis rotor and vertical axis rotor with wind wheel rotary shaft installation form.The wind of acquisition
Can be directly proportional to the wind sweeping area of wind wheel blade, therefore the diameter of wind wheel is all very big;Meanwhile wind generates lift simultaneously on wind wheel
And resistance, it is used in people that lift, which generates rotary force, and resistance must then be born by the vertical support rod of wind wheel group.Therefore, just
As people are seen, especially horizontal axis rotor unit is lifted by tall and big sturdy support rod, and support rod must be securely
Be mounted on solid ground.Meanwhile when wind speed is more than design maximum wind velocity, then fan blade must be locked, at this time wind wheel
Front face area is only equal to the front face area of blade, so that the windage for guaranteeing that vertical support rod is subject to substantially reduces and will not topple over.
Vertical axis rotor, is chiefly used in small-sized at present, but since its wind sweeping area is less than normal, because efficiency is lower, therefore use occasion is seldom.
To sum up, above-mentioned wind wheel apparatus has two big defects: first is that it is limited to available wind speed, it is especially biggish in wind speed
Special weather cannot use;Second is that position can only be fixedly mounted, immovable use.
So, in wind resource than more rich area, on smooth roof, long long river levee on the bank, boundless
Grassland on, both can independently use wind power utilization device, can be also used in combination with solar attachment, still be worth seeking
Target.
Summary of the invention
The technical problems to be solved in view of the defects of the present invention is to propose a kind of small portable, adapt to
The small-sized wind power utilization device of wider wind speed range.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions, a kind of small-sized wind energy utilization dress
It sets, its main feature is that:
Including wind energy plant support frame, fan blade lever and upper and lower two panels fan blade,
The middle part of fan blade lever is equipped with wind energy output shaft, and wind energy output shaft is vertically arranged with fan blade lever, and wind energy output shaft is horizontal
To on wind energy plant support frame, fan blade lever is hinged by wind energy output shaft and wind energy plant support frame,
Fan blade selects the symmetrical aerofoil profile of chord plane up and down, to guarantee that aerodynamic characteristics is identical when the positive and negative angle of attack is identical;Fan blade
Root is equipped with fan blade spindle, and fan blade spindle fan blade root parallel and axially vertical with the chord plane up and down of fan blade is arranged,
It is equipped with end plate in the two sides of fan blade root, fan blade, fan blade spindle and end plate are fixedly connected into an overall structure, set on end plate
There is end plate shaft, the line of centres between end plate shaft in two end plates is arranged by the center of gravity of fan blade,
The end plate shaft, fan blade spindle and above-mentioned wind energy output shaft three are arranged in parallel,
Upper and lower two panels fan blade is mounted in the both ends of fan blade lever by end plate shaft, and upper piece fan blade center of gravity is biased to side windward and is arranged,
Upper and lower two panels fan blade remains the contrary angle of attack, while guaranteeing that the air-flow before and after two fan blades up and down is not interfere with each other, same
The air-flow in one direction is blown down, drives fan blade lever swing;One end of fan blade spindle is fixedly installed with sprocket wheel, fan blade spindle it is another
One end is connect by spring assembly with fan blade lever;
Being coaxially set on wind energy plant support frame with wind energy output shaft has double plate sprocket wheel, and double plate sprocket wheel passes through upper lower chain point
It is not connect with the sprocket wheel in the fan blade spindle of upper and lower fan blade,
Fan blade blows lower drive lever rotation in air-flow, and chain is by fan blade spindle upper sprocket wheel, so that fan blade spindle drives fan blade
It is rotated backward relative to end plate shaft, the angle of attack of fan blade gradually becomes smaller, and rapidly goes to reversely under the action of spring assembly
The angle of attack;Air-flow continuously blow under, lever reversely rotates, and so on, wind energy output shaft be output both forward and reverse directions rotation
Torque.
The technical problem to be solved in the present invention can also further realize by the following technical programs, and fan blade lever is initial
Setting angle guarantees that the angle of attack of fan blade is arranged no more than the critical angle of attack of the fan blade.
The technical problem to be solved in the present invention can also further realize by the following technical programs, in wind energy plant branch
Support is equipped with the limited block of fan blade lever swing upper and lower limit position, in the limited block position, due to fan blade rotator inertia and
Under the action of spring assembly, the practical angle of attack of fan blade becomes reversed angle of attack maximum value.
The technical problem to be solved in the present invention can also further realize by the following technical programs, wind energy plant support
Frame is equipped with transmission agency case, and the input shaft of transmission agency case is connected with wind energy output shaft.
Compared with prior art, the present invention include the removable wind energy plant support frame placed, one pair of fan blade lever, one
Fan blade identical to aerodynamic characteristics, two pairs of sprocket wheels and chain being separately mounted in fan blade spindle and on bracket, on bracket
The limited block of restricted lever rotation angle is installed.There are spring assembly connection, this wind energy utilization dress between fan blade spindle and lever
It sets and directly exports the turning moment that forward and reverse constantly switches by wind energy output shaft.Wind energy utilization dress of the present invention
It sets, fan blade can generate biggish torque by lever, and can be placed on any flat flat general work.Small portable, energy
Wider wind speed range is adapted to, can both be independently operated, can also be used in combination with solar energy heating (containing current collection) device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is wind energy plant A to partial schematic diagram;
Fig. 3 is wind energy plant B to partial schematic diagram;
Fig. 4 is wind energy plant support frame schematic diagram;
Fig. 5 is fan blade angle of attack adjust automatically schematic illustration and explanation;
Fig. 6 is fan blade instantaneous position schematic diagram during lever rotation;
Fig. 7 is spring assembly operating principle schematic diagram.
Specific embodiment
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, without constituting the limitation to its right.
A kind of small-sized wind power utilization device, including wind energy plant support frame 7, fan blade lever 6 and upper and lower two panels fan blade 1, wind
The middle part of leaf lever is equipped with wind energy output shaft, and wind energy output shaft 11 is vertically arranged with fan blade lever, wind energy output shaft horizontal direction dress
On wind energy plant support frame, fan blade lever is hinged by wind energy output shaft and wind energy plant support frame.
Fan blade 1 selects the symmetrical aerofoil profile of chord plane up and down, to guarantee that aerodynamic characteristics is identical when the positive and negative angle of attack is identical;
The root of fan blade is equipped with fan blade spindle, fan blade spindle fan blade root setting parallel and axially vertical with the chord plane up and down of fan blade.
It is equipped with end plate in the two sides of fan blade root, fan blade, fan blade spindle and end plate are fixedly connected into an overall structure, end plate
It is equipped with end plate shaft, the line of centres between end plate shaft in two end plates is arranged by the center of gravity of fan blade, and the end plate turns
Axis, fan blade spindle and above-mentioned 11 three of wind energy output shaft are arranged in parallel.
Upper and lower two panels fan blade is mounted in the both ends of fan blade lever by end plate shaft, and upper piece fan blade center of gravity is biased to side windward and is set
It sets, upper and lower two panels fan blade remains the contrary angle of attack, while guaranteeing that the air-flow before and after two fan blades up and down is not interfere with each other,
Unidirectional air-flow is blown down, drives fan blade lever swing;One end of fan blade spindle is fixedly installed with sprocket wheel 4, fan blade spindle
The other end connect with fan blade lever by spring assembly;Being coaxially set on wind energy plant support frame with wind energy output shaft has
Double plate sprocket wheel 9, double plate sprocket wheel are connect with the sprocket wheel in the fan blade spindle of upper and lower fan blade respectively by upper lower chain 8.Upper piece fan blade
In the second quadrant, bottom sheet fan blade center of gravity is arranged in fourth quadrant for center of gravity setting, and fan blade swing angle range in the quadrant is 40 °
~60°。
Fan blade blows lower drive lever rotation in air-flow, and chain is by fan blade spindle upper sprocket wheel, so that fan blade spindle drives
Fan blade is rotated backward relative to end plate shaft, and the angle of attack of fan blade gradually becomes smaller, and is rapidly gone under the action of spring assembly
The reversed angle of attack;Air-flow continuously blow under, lever reversely rotates, and so on, wind energy output shaft be output both forward and reverse directions
Turning moment.
Fan blade lever initial settling angle degree guarantees that the angle of attack of fan blade is arranged no more than the critical angle of attack of the fan blade.
The limited block 10 of fan blade lever swing upper and lower limit position is equipped on wind energy plant support frame, in the limited block position
It sets, under the action of the rotator inertia and spring assembly 12 of fan blade, the practical angle of attack of fan blade becomes reversed angle of attack maximum value.
Wind energy plant support frame is equipped with transmission agency case 13, and the input shaft of transmission agency case is connected with wind energy output shaft
It connects.Wind energy output shaft and transmission agency case.The input shaft of transmission agency case is connected with wind energy output shaft, and transmission agency case can be with
There is different functions, can complete for the forward and reverse rotation of wind energy output shaft to be changed into same direction rotation output, can also incite somebody to action
The forward and reverse rotation of wind energy output shaft is changed into the linear reciprocating motion of horizontal or vertical direction.Transmission agency case can also configure
Speed changing function is rotated, for connecting wind-driven generator.
It is specific: fan blade 1 is fixedly connected with fan blade end plate 2;Fan blade spindle 3 is passed through into fan blade end plate 2 and fan blade 1 and is consolidated
Fixed connection;5 one end of fan blade end plate shaft is rotatably connect with fan blade end plate 2, the other end and the fixed company of fan blade lever 6
It connects, fan blade two sides assembling process is identical, and two panels fan blade assembling process is identical, which is known as wind energy receiving device;
Above-mentioned wind energy receiving device is installed on the trunnion of bracket 7, wind energy output shaft 11 is fixedly connected with lever 6, with bracket
Rotatable connection, installs limited block 10 on the trunnion of bracket 7, rotates upwardly and downwardly angle for limit lever;
Two pieces sprocket wheel 4 is respectively pivoted to (be fixedly connected) in two fan blade spindles 3, double plate sprocket wheel 9 is filled on the trunnion of bracket 7
(being fixedly connected) and it is connected respectively with chain 8 with sprocket wheel 4;
Lever 6 is connect with fan blade with spring assembly connection fan blade spindle 3;
Transmission agency case 13 is mounted on the trunnion of bracket.Its input shaft is connected with wind energy output shaft 11, different function
The output shaft of transmission agency case is exportable continuous with rotation is turned to, also the reciprocating linear fortune of exportable horizontal or vertical direction
It is dynamic.
Serial number 14,17 is the upper and lower rotation boundary line of lever 6;
At 5 fan blade side plate shaft of serial number, the as aerodynamic centre of the type fan blade;
Serial number 15 show fan blade spindle and sprocket wheel actual rotation track together;
Shown in serial number 16 are as follows: it such as controls and adjusts without chain wheel set, the due rotary motion trace of fan blade spindle;
Serial number 18 show the axle sleeve being fixed in serial number 2, to guarantee the rotation of lever 6 and shaft relative to serial number 2;
∠ 1 is the initial angle of attack in Fig. 6, and ∠ 2 is the instantaneous angle of attack that fan blade lever is rotated up middle fan blade, and ∠ 3 is that the fan blade angle of attack is
Zero.
The fan blade angle of attack adjusts process: under the blowing of air-flow, the lift (under the auxiliary of spring assembly) of fan blade makes lever 6
It is rotated up relative to fulcrum 11, fan blade rotates track 16 to be entered with lever upwards, while chain wheel set and spring assembly drive
Wheel rotation is to reduce the angle of attack and impeller shaft is forced to be rotated up along track 15;
It is rotated up process in lever, the practical angle of attack of fan blade will be changed into zero angle by positive angle, and spring assembly is by maximum at this time
Pulling force (see figure 7), and make the angle of attack of fan blade become the negative angle of attack and rapidly go to the maximum negative angle of attack, the rotation direction of lever also by
Switch to upwards downwards;
∠ 1 to-∠ 1 is the critical angle of the positive and negative angle of attack of fan blade in Fig. 7, and spring assembly three shown in this figure stress connects
The distance of 19 blade shafts 3 of point, intermediate distance longest, the practical angle of attack of fan blade is zero at this time, and the pulling force that spring assembly is subject to is most
Greatly.
After lever rotates down beginning, chain wheel set will start to reversely rotate.At this point, lever rotates down process, wind
The practical angle of attack progressive formation of leaf and aforementioned on the contrary, when lever rotation to following boundary line 14, the practical angle of attack of fan blade has turned into
Forward direction, and so on.Another fan blade of lever connection, because the initial angle of attack is negative angle, so process and upper fan blade are on the contrary, but two
The receptible wind energy of piece fan blade generates the turning moment of the same direction at wind energy plant output shaft 11.
Claims (4)
1. a kind of small-sized wind power utilization device, it is characterised in that:
Including wind energy plant support frame, fan blade lever and upper and lower two panels fan blade,
The middle part of fan blade lever is equipped with wind energy output shaft, and wind energy output shaft is vertically arranged with fan blade lever, and wind energy output shaft is horizontal
To on wind energy plant support frame, fan blade lever is hinged by wind energy output shaft and wind energy plant support frame,
Fan blade selects the symmetrical aerofoil profile of chord plane up and down, to guarantee that aerodynamic characteristics is identical when the positive and negative angle of attack is identical;Fan blade
Root is equipped with fan blade spindle, and fan blade spindle fan blade root parallel and axially vertical with the chord plane up and down of fan blade is arranged,
It is equipped with end plate in the two sides of fan blade root, fan blade, fan blade spindle and end plate are fixedly connected into an overall structure, set on end plate
There is end plate shaft, the line of centres between end plate shaft in two end plates is arranged by the center of gravity of fan blade,
The end plate shaft, fan blade spindle and above-mentioned wind energy output shaft three are arranged in parallel,
Upper and lower two panels fan blade is mounted in the both ends of fan blade lever by end plate shaft, and upper piece fan blade center of gravity is biased to side windward and is arranged,
Upper and lower two panels fan blade remains the contrary angle of attack, while guaranteeing that the air-flow before and after two fan blades up and down is not interfere with each other, same
The air-flow in one direction is blown down, drives fan blade lever swing;
One end of fan blade spindle is fixedly installed with sprocket wheel, and the other end of fan blade spindle is connect by spring assembly with fan blade lever;
Being coaxially set on wind energy plant support frame with wind energy output shaft has double plate sprocket wheel, and double plate sprocket wheel passes through upper lower chain point
It is not connect with the sprocket wheel in the fan blade spindle of upper and lower fan blade,
Fan blade blows lower drive lever rotation in air-flow, and chain is by fan blade spindle upper sprocket wheel, so that fan blade spindle drives fan blade
It is rotated backward relative to end plate shaft, the angle of attack of fan blade gradually becomes smaller, and rapidly goes to reversely under the action of spring assembly
The angle of attack;Air-flow continuously blow under, lever reversely rotates, and so on, wind energy output shaft be output both forward and reverse directions rotation
Torque.
2. small-sized wind power utilization device according to claim 1, it is characterised in that: fan blade lever initial settling angle degree guarantees
The angle of attack of fan blade is arranged no more than the critical angle of attack of the fan blade.
3. small-sized wind power utilization device according to claim 1, it is characterised in that: be equipped with wind on wind energy plant support frame
The limited block of leaf lever swing upper and lower limit position, in the limited block position, due to the rotator inertia of fan blade and the work of spring assembly
Under, the practical angle of attack of fan blade becomes reversed angle of attack maximum value.
4. small-sized wind power utilization device according to claim 1, it is characterised in that: wind energy plant support frame is equipped with transmission
The input shaft of functional compartment, transmission agency case is connected with wind energy output shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811449907.0A CN109253047B (en) | 2018-11-30 | 2018-11-30 | Small-sized wind energy utilization device |
Applications Claiming Priority (1)
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CN201811449907.0A CN109253047B (en) | 2018-11-30 | 2018-11-30 | Small-sized wind energy utilization device |
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CN109253047A true CN109253047A (en) | 2019-01-22 |
CN109253047B CN109253047B (en) | 2023-12-12 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2003106378A (en) * | 2002-12-31 | 2004-09-20 | Травер Эндюстри Сас (Fr) | WIND ENGINE (OPTIONS) |
CN1548715A (en) * | 2003-05-05 | 2004-11-24 | 陈祥水 | Full-automaic regulating speed wind motor |
US20140308127A1 (en) * | 2013-04-10 | 2014-10-16 | Calvin Chunliang Lee | Airfoil blades with self-alignment mechanisms for cross-flow turbines |
US20150147176A1 (en) * | 2012-07-05 | 2015-05-28 | Adv Tech | Rotary machine comprising a rotor placed in a fluid and equipped with orientable blades |
CN105927473A (en) * | 2016-06-09 | 2016-09-07 | 西华大学 | Adjustable-pitch propeller vertical axis wind turbine rotor |
CN108457795A (en) * | 2018-04-26 | 2018-08-28 | 丁超 | The wind turbines rotor of automatic variable-pitch and disability protection |
CN208502949U (en) * | 2018-11-30 | 2019-02-15 | 连云港倍力特科技发展有限公司 | A kind of small-sized wind power utilization device |
-
2018
- 2018-11-30 CN CN201811449907.0A patent/CN109253047B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2003106378A (en) * | 2002-12-31 | 2004-09-20 | Травер Эндюстри Сас (Fr) | WIND ENGINE (OPTIONS) |
CN1548715A (en) * | 2003-05-05 | 2004-11-24 | 陈祥水 | Full-automaic regulating speed wind motor |
US20150147176A1 (en) * | 2012-07-05 | 2015-05-28 | Adv Tech | Rotary machine comprising a rotor placed in a fluid and equipped with orientable blades |
US20140308127A1 (en) * | 2013-04-10 | 2014-10-16 | Calvin Chunliang Lee | Airfoil blades with self-alignment mechanisms for cross-flow turbines |
CN105927473A (en) * | 2016-06-09 | 2016-09-07 | 西华大学 | Adjustable-pitch propeller vertical axis wind turbine rotor |
CN108457795A (en) * | 2018-04-26 | 2018-08-28 | 丁超 | The wind turbines rotor of automatic variable-pitch and disability protection |
CN208502949U (en) * | 2018-11-30 | 2019-02-15 | 连云港倍力特科技发展有限公司 | A kind of small-sized wind power utilization device |
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Effective date of registration: 20200413 Address after: 222000 No.1, north of Zhenxing Road, Xinpu economic and Technological Development Zone, Haizhou District, Lianyungang City, Jiangsu Province Applicant after: JIANGSU TERUIFEIKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 222000 No. 1 Beishou Road, Xinpu Economic Development Zone, Haizhou District, Lianyungang City, Jiangsu Province Applicant before: LIANYUNGANG BEILITE TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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