CN104533706A - Belt-driven folding blade type vertical axis fan impeller - Google Patents
Belt-driven folding blade type vertical axis fan impeller Download PDFInfo
- Publication number
- CN104533706A CN104533706A CN201410593638.0A CN201410593638A CN104533706A CN 104533706 A CN104533706 A CN 104533706A CN 201410593638 A CN201410593638 A CN 201410593638A CN 104533706 A CN104533706 A CN 104533706A
- Authority
- CN
- China
- Prior art keywords
- blade
- group
- vane
- belt
- outer leafs
- 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.)
- Pending
Links
- UJCHIZDEQZMODR-BYPYZUCNSA-N (2r)-2-acetamido-3-sulfanylpropanamide Chemical compound CC(=O)N[C@@H](CS)C(N)=O UJCHIZDEQZMODR-BYPYZUCNSA-N 0.000 claims abstract description 7
- 241001669680 Dormitator maculatus Species 0.000 claims abstract description 7
- 229920003266 Leaf® Polymers 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
- F03D3/062—Rotors characterised by their construction elements
-
- 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
Landscapes
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a belt-driven folding blade type vertical axis fan impeller. A spindle is arranged on a bearing seat; blade supports are fixedly arranged at the upper end and the lower end of the spindle; four blade groups are positioned between the upper blade support and the lower blade support; a rotating shaft of each blade is provided with a gear group. When two symmetric blade groups are connected by a belt drive group and are enabled to synchronously rotate, and when one blade group is gradually closed, the other blade group gradually opens. According to the invention, the positions of the blades can be changed while the blades of the impeller rotate around the spindle, so that when the blades are unfolded into a flat plate when facing the wind, the face area is enlarged, and the rotating torque is improved; when the blades are folded into NACA wing type blades when being against the wind, the headwind resistance is reduced, so that the fan impeller can have better self-starting property, the energy capturing efficiency can be further improved, and higher electricity generating efficiency is obtained.
Description
Technical field
The present invention relates to wind power generation field, specifically a kind of bel-drivenn folding blade type vertical shaft fan impeller.
Background technique
The energy is power and the guarantee of human social development progress.In recent years, along with the high speed development of global economy, coal, oil, the conventional energy resources such as rock gas are by fast, and a large amount of consumption, this allows the mankind not only in the face of the increasingly exhausted pressure of resource, receives the threat that environment constantly worsens simultaneously.The energy and environmental protection have become the pressing problem that mankind nowadays survival and development are badly in need of solving.Wind-powered electricity generation is as a kind of new energy of clean environment firendly, neither consume limited coal resources, also valuable underground wind-resources can not be consumed, more be conducive to the sustainable development of national economy, district greatly develops the wind power plant of the high efficient and reliable of applicable concrete area feature is throughout the country coming.Realize the industrialization of wind-power electricity generation, practical, require dynamical Fan Product, can utilize wind energy to greatest extent, this just requires that we study the performance of wind energy conversion system, improves blower fan and catches the maximum of wind energy, produces efficient energy and transforms.
At present, the principal mode of wind-power electricity generation is electric energy by blower fan apparatus by wind energy transformation, therefore design a kind of efficient, reliably blower fan be the key technology of Wind Power Utilization.The moulding of blower fan should consider that structure also will consider the other factorses such as weight.Current blower fan form mainly contains horizontal axis blower fan and vertical shaft fan two kinds, that impeller axis is parallel with the relative position of wind direction is horizontal axial type impeller (HAWT), and that impeller axis is vertical with the relative position of wind direction is perpendicular axis type impeller (VAWT).
Same level axle Wind turbines is compared, and vertical axis wind electric unit has following advantage:
(1) perpendicular axis type impeller axis is with to carry out flow path direction vertical, can catch the wind energy in any direction, and structure is simple, is well suited for miniaturization Independent Power Generation.
(2) vertical shaft fan installation and maintenance is simple, and manufacturing process is simple, and cost is low, and Economy is strong.
(3) vertical shaft fan to blade structure and requirement of strength low.
(4) perpendicular axis type impeller can be effectively worked at complicated turbulent flow, is therefore more suitable for the small-size wind power-generating place being applied in complex-terrain, as the rural area of remote districts.
(5) tip-speed ratio horizontal axis impeller little of vertical axis impeller blade, under such slow-speed of revolution, aerodynamic noise is very little, even can reach quiet effect, be conducive to environmental protection.
Vertical axis impeller common at present mainly contains lift vertical shaft impeller and resistance-type vertical axis impeller.The main representative of lift-type is Darrieus impeller, and the main representative of resistance type is Savonius impeller.
Be in the innovation and creation of US1835018A at publication number, disclose a kind of Darrieus wind-force impeller.This blade wheel structure is simple, lift coefficient is high, but startability is poor, is difficult to especially at low wind speeds start.
Be in the innovation and creation of US1766765A at publication number, disclose a kind of Savonius wind-force impeller.This impeller startability is good, has very large wind speed and utilizes scope, but along with the rotation of rotor, its torque amplitude of variation is from high to low very large, even can drop to the degree close to zero, therefore have lower total efficiency.
Simultaneously, Tian Wenlong discloses a kind of moving vane type vertical shaft fan impeller in a literary composition of " a kind of numerical simulation of new vertical shaft type draught fan impeller " of " mechanical engineering journal " 18 phases in 2013, impeller is installed multiple board-type moving vane, blade while installation shaft revolution around self installation shaft rotation, but the total efficiency of this impeller is still lower.
Summary of the invention
In order to overcome the problem that in prior art, the self-starting of lift vertical shaft impeller is difficult and resistance-type vertical axis impeller energy capture rate is low, the present invention proposes a kind of bel-drivenn folding blade type vertical shaft fan impeller.
The present invention includes bearing support, main shaft, two blade racks, four groups of gear trains, two belt transmission groups, four vane group and four pins.Wherein: main shaft is arranged on bearing support by bearing.Described blade rack is fixedly mounted on main shaft top and bottom respectively, defines upper blade support and lower blade support; The upper end of four pins is connected on each bar of described upper blade support respectively, and the lower end of four pins is connected on each bar of lower blade support respectively.
Described four vane group lay respectively between described upper blade support and lower blade support, and are arranged on the top of blade rack and each bar of lower blade support in the mode of axis hole Spielpassung.The rotating shaft of described each blade is separately installed with gear, and makes two gears meshing being arranged in same vane group.Two belt wheels and a belt is comprised respectively in described two belt transmission groups.Each belt wheel in two belt transmission groups is arranged in the rotating shaft of a blade of the two pairs of vane group being symmetrical in main shaft respectively, is set at the two ends of belt on described two belt wheels, thus is connected by the blade of two groups of symmetries.By above-mentioned connection, two groups of symmetrical blade synchronization are rotated, and when one group of blade is closed gradually, another group blade open gradually.
When installing belt wheel: two belt wheels in the first belt transmission group are arranged in a pair symmetrical vane group respectively, and in the intra vane rotating shaft that a belt wheel is arranged in one group of blade, another belt wheel is arranged in the outer leafs rotating shaft in another group blade.Two belt wheels in second belt transmission group are arranged on another respectively in symmetrical vane group, and in the outer leafs rotating shaft that a belt wheel is arranged in one group of blade, another belt wheel is arranged in the intra vane rotating shaft in another group blade.
Described blade rack becomes cross to cross by four bars to form, and has the through hole interference fit coordinated with main shaft in four Gen Gan intersections.
Described each vane group includes outer leafs, blade inlet edge plate and intra vane.It is profile that described outer leafs and intra vane are a surface, and another surface is plane.Described blade inlet edge plate is stripe board, and the upper surface of this stripe board and lower surface are profile.The length of described blade inlet edge plate is identical with the length of intra vane with described outer leafs.When assembling each vane group, make the plane surface of described each outer leafs relative with the plane surface of each intra vane respectively, the side surface of blade inlet edge board plane is coordinated with the side surface of the outer leafs after combination and intra vane plane, is combined into the lift-type blade with NACA aerofoil section thus.Attachment face is processed with respectively, for installing gear shaft at the upper surface at described outer leafs blade root place and intra vane blade root place.A side surface of described blade inlet edge plate length direction is coordinate plane with a side surface of outer leafs and intra vane.
During installation, in often pair of symmetrical vane group, the initial position of two blades in a vane group is closed state, and the initial position of two blades in another vane group is open mode.
In the present invention, four groups of blades installations are at four ends of two supports, and often organize blade and be made up of intra vane, outer leafs and blade inlet edge plate, intra vane is the blade near main shaft, and outer leafs is the blade away from main shaft.When described intra vane and outer leafs close, intra vane, outer leafs and blade inlet edge plate composition NACA profile lift blade; When interior described blade and outer leafs are opened, intra vane, outer leafs and. blade inlet edge plate composition resistance blade.By being arranged on the gear train in the rotating shaft often organizing intra vane and outer leafs, rotate while realizing intra vane and outer leafs, and when making two groups of blades remain that one group of blade opens by two groups of belt transmission groups, another group blade closes.
In order to improve energy capture efficiency further, the impeller blade in the present invention, also can regular rotation while pivoting, and to change the position of blade, makes blade expand into flat board windward time, increases wind-exposuring area, improves suffered moment of rotation; When contrary wind, blade can fold composition NACA airfoil fan, reduces resistance against the wind, makes draught fan impeller have good self-starting, also have higher generating efficiency simultaneously.
The present invention is along with the impact of incoming flow, and the blade away from incoming flow end closes gradually, connects incoming flow end far away and recently flow the belt group of holding to drive the blade near incoming flow end to open gradually, and other two groups of blade relative shape remain unchanged, and four pairs of blades go round and begin again.Reach maximum at downbeam vane stress area like this, form NACA aerofoil profile at countercurrent direction blade, utilize profile lift to provide torque, thus the moment produced relative to central shaft, again by conversion equipment, drive main axis, thus be electric energy by momentum transformation.Device combines the advantage of Darrieus impeller and Savonius impeller, has both been easy to start, and effectively improves energy capture efficiency again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the partial enlarged drawing of Fig. 1
Fig. 3 is structural representation sectional drawing of the present invention,
In figure: 1. bearing support; 2. main shaft; 3. lower blade support; 4. gear train; 5. belt; 6. belt wheel; 7. outer leafs; 8. blade inlet edge plate; 9. intra vane; 10. pin; 11. upper blade supports; A. Resistance Level; B. lift district.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The present embodiment is a kind of bel-drivenn folding blade type vertical axis impeller, comprises bearing support 1, main shaft 2, two blade racks, four groups of gear trains, 4, two belt transmission groups, four vane group and four pins 10.Wherein: main shaft 2 is arranged on bearing support 1 by bearing.Described blade rack is fixedly mounted on main shaft 2 top and bottom respectively, defines upper blade support 11 and lower blade support 3; The upper end of four pins is connected on each bar of described upper blade support 11 respectively, and the lower end of four pins is connected on each bar of lower blade support 3 respectively.Described four vane group lay respectively between described upper blade support 11 and lower blade support 3, and are arranged on the top of blade rack 3 and each bar of lower blade support 3 by axis hole Spielpassung.The rotating shaft of described each blade is separately installed with gear, and makes two gears meshing being arranged in same vane group.Two belt wheels 6 and a belt 5 is comprised respectively in described two belt transmission groups.Each belt wheel in two belt transmission groups is arranged on the blade rotor of the two pairs of vane group being symmetrical in main shaft respectively, during installation: two belt wheels in the first belt transmission group are arranged in a pair symmetrical vane group respectively, and in the intra vane rotating shaft making a belt wheel be arranged in one group of blade, another belt wheel is arranged in the outer leafs rotating shaft in another group blade.The two ends of belt 5 are set on described two belt wheels, thus the blade of two groups of symmetries is connected; Two belt wheels in second belt transmission group are arranged on another respectively in symmetrical vane group, and in the outer leafs rotating shaft that a belt wheel is arranged in one group of blade, another belt wheel is arranged in the intra vane rotating shaft in another group blade, the two ends of belt 5 are set on described two belt wheels, thus the blade of two groups of symmetries is connected.By above-mentioned connection, two groups of symmetrical blade synchronization are rotated, and when one group of blade is closed gradually, another group blade open gradually.
Described each vane group includes outer leafs 7, blade inlet edge plate 8 and intra vane 9.Described intra vane is the blade near main shaft, and described outer leafs is the blade away from main shaft.
Described outer leafs 7 is rectangular plate-like, and a surface is profile, and another surface is plane; Described intra vane 9 is also rectangular plate-like, and a surface is profile, and another surface is plane.Attachment face is processed with respectively, for installing gear shaft at the upper surface at described outer leafs blade root place and intra vane blade root place.Described blade inlet edge plate 8 is stripe board, and the upper surface of this stripe board and lower surface are profile.The length of described blade inlet edge plate is identical with the length of intra vane with described outer leafs.A side surface of this blade inlet edge plate length direction is plane, to be suitable for coordinating with a side surface of outer leafs and intra vane.When assembling individual vane group, make the plane surface of described each outer leafs relative with the plane surface of each intra vane respectively, the side surface of blade inlet edge board plane is coordinated with the side surface of the outer leafs after combination and intra vane plane, is combined into the lift-type blade with NACA aerofoil section thus.
During installation, in often pair of symmetrical vane group, the initial position of two blades in a vane group is closed state, and the initial position of two blades in another vane group is open mode.
Described upper blade support 11 and lower blade support 3 become cross to cross by four bars to form respectively, and have the through hole interference fit coordinated with main shaft in four Gen Gan intersections.
During work: because blade meets flow path direction difference in impeller unit, impeller unit can be divided into Resistance Level and lift district according to Come flow path direction.In Resistance Level, outer leafs 7 and the intra vane 9 of vane group are flared to 180 degree, and vane group is subject to the resistance of incoming flow, drive main shaft 2 to turn clockwise; In lift district, outer leafs 7 and the intra vane 9 of vane group are in closed state, and outer leafs 7, blade inlet edge plate 8 and intra vane 9 form an airfoil fan, under the effect of Come stream, produce lift, drive main shaft 2 to turn clockwise.
When one group of blade rotary of Resistance Level enters lift district, owing to meeting the change of flow path direction, originally the blade opened closes gradually, simultaneously, with this group blade axisymmetric vane group intake resistance district, owing to meeting the change of flow path direction, originally closed blade is flared to 180 degree gradually, intra vane 9 contacts with pin 10, and blade keeps open configuration.These two groups of blades synchronous rotary under the effect of belt.
Impeller unit moves according to above-mentioned principle, makes impeller continue to rotate, thus reaches generating object.
Claims (6)
1. a bel-drivenn folding blade type vertical shaft fan impeller, is characterized in that, comprises bearing support, main shaft, two blade racks, four groups of gear trains, two belt transmission groups, four vane group and four pins; Wherein: main shaft is arranged on bearing support by bearing; Described blade rack is fixedly mounted on main shaft top and bottom respectively, defines upper blade support and lower blade support; The upper end of four pins is connected on each bar of described upper blade support respectively, and the lower end of four pins is connected on each bar of lower blade support respectively;
Described four vane group lay respectively between described upper blade support and lower blade support, and are arranged on the top of blade rack and each bar of lower blade support in the mode of axis hole Spielpassung; The rotating shaft of described each blade is separately installed with gear, and makes two gears meshing being arranged in same vane group; Two belt wheels and a belt is comprised respectively in described two belt transmission groups; Each belt wheel in two belt transmission groups is arranged in the rotating shaft of a blade of the two pairs of vane group being symmetrical in main shaft respectively, is set at the two ends of belt on described two belt wheels, thus is connected by the blade of two groups of symmetries; By above-mentioned connection, two groups of symmetrical blade synchronization are rotated, and when one group of blade is closed gradually, another group blade open gradually.
2. bel-drivenn folding blade type vertical shaft fan impeller as claimed in claim 1, it is characterized in that, described each vane group includes outer leafs, blade inlet edge plate and intra vane; It is profile that described outer leafs and intra vane are a surface, and another surface is plane; Described blade inlet edge plate is stripe board, and the upper surface of this stripe board and lower surface are profile; The length of described blade inlet edge plate is identical with the length of intra vane with described outer leafs; When assembling each vane group, make the plane surface of described each outer leafs relative with the plane surface of each intra vane respectively, the side surface of blade inlet edge board plane is coordinated with the side surface of the outer leafs after combination and intra vane plane, is combined into the lift-type blade with NACA aerofoil section thus;
During installation, in often pair of symmetrical vane group, the initial position of two blades in a vane group is closed state, and the initial position of two blades in another vane group is open mode.
3. bel-drivenn folding blade type vertical shaft fan impeller as claimed in claim 1, is characterized in that, described blade rack becomes cross to cross by four bars to form, and has the through hole interference fit coordinated with main shaft in four Gen Gan intersections.
4. bel-drivenn folding blade type vertical shaft fan impeller as claimed in claim 1, it is characterized in that, when belt wheel is installed: two belt wheels in the first belt transmission group are arranged in a pair symmetrical vane group respectively, and in the intra vane rotating shaft making a belt wheel be arranged in one group of blade, another belt wheel is arranged in the outer leafs rotating shaft in another group blade; Two belt wheels in second belt transmission group are arranged on another respectively in symmetrical vane group, and in the outer leafs rotating shaft that a belt wheel is arranged in one group of blade, another belt wheel is arranged in the intra vane rotating shaft in another group blade.
5. bel-drivenn folding blade type vertical shaft fan impeller as claimed in claim 2, is characterized in that, being processed with attachment face respectively, for installing gear shaft at the upper surface at described outer leafs blade root place and intra vane blade root place.
6. bel-drivenn folding blade type vertical shaft fan impeller as claimed in claim 2, it is characterized in that, a side surface of described blade inlet edge plate length direction is coordinate plane with a side surface of outer leafs and intra vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593638.0A CN104533706A (en) | 2014-10-29 | 2014-10-29 | Belt-driven folding blade type vertical axis fan impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593638.0A CN104533706A (en) | 2014-10-29 | 2014-10-29 | Belt-driven folding blade type vertical axis fan impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533706A true CN104533706A (en) | 2015-04-22 |
Family
ID=52849297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593638.0A Pending CN104533706A (en) | 2014-10-29 | 2014-10-29 | Belt-driven folding blade type vertical axis fan impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533706A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440255A (en) * | 2016-11-11 | 2017-02-22 | 广东美的暖通设备有限公司 | Fan control method, fan control system, fan and air conditioner |
| CN108105014A (en) * | 2018-01-30 | 2018-06-01 | 重庆大学 | A kind of vertical axis double streamline automatic folding type hydraulic turbine |
| CN108223238A (en) * | 2017-12-29 | 2018-06-29 | 清华大学 | A kind of wave turbine and ocean wave turbine formula hydropower generating device |
| CN108343544A (en) * | 2017-01-25 | 2018-07-31 | 刘杨 | Meet fluid blade auto Deformation vertical axis resistance difference type kinetic energy interpreter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844323A (en) * | 1996-08-12 | 1998-12-01 | Hung; Ming-Tung | Rotatable wheel for developing fluid kinetic energy by accepting action forces from multiple directions |
| CN202628390U (en) * | 2012-05-25 | 2012-12-26 | 李可 | Wind power generation device |
| CN203189199U (en) * | 2013-02-06 | 2013-09-11 | 高宏铭 | Blade structure of wind driven generator |
| CN103603766A (en) * | 2013-11-30 | 2014-02-26 | 米建军 | Wind wheel with variable blades and attack angles |
-
2014
- 2014-10-29 CN CN201410593638.0A patent/CN104533706A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844323A (en) * | 1996-08-12 | 1998-12-01 | Hung; Ming-Tung | Rotatable wheel for developing fluid kinetic energy by accepting action forces from multiple directions |
| CN202628390U (en) * | 2012-05-25 | 2012-12-26 | 李可 | Wind power generation device |
| CN203189199U (en) * | 2013-02-06 | 2013-09-11 | 高宏铭 | Blade structure of wind driven generator |
| CN103603766A (en) * | 2013-11-30 | 2014-02-26 | 米建军 | Wind wheel with variable blades and attack angles |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440255A (en) * | 2016-11-11 | 2017-02-22 | 广东美的暖通设备有限公司 | Fan control method, fan control system, fan and air conditioner |
| CN108343544A (en) * | 2017-01-25 | 2018-07-31 | 刘杨 | Meet fluid blade auto Deformation vertical axis resistance difference type kinetic energy interpreter |
| CN108343544B (en) * | 2017-01-25 | 2020-07-21 | 刘杨 | Vertical shaft resistance difference type kinetic energy converter with automatic deformation of fluid-facing blades |
| CN108223238A (en) * | 2017-12-29 | 2018-06-29 | 清华大学 | A kind of wave turbine and ocean wave turbine formula hydropower generating device |
| CN108105014A (en) * | 2018-01-30 | 2018-06-01 | 重庆大学 | A kind of vertical axis double streamline automatic folding type hydraulic turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104329218A (en) | Connecting rod transmitting folding blade vertical shaft impeller | |
| CN202209251U (en) | Novel vertical-shaft impeller | |
| CN104533706A (en) | Belt-driven folding blade type vertical axis fan impeller | |
| CN106545466A (en) | A kind of resistance-type vertical axis wind turbine | |
| Khammas et al. | Overview of vertical axis wind turbine (VAWT) is one of the wind energy application | |
| CN204755182U (en) | Vertical axis pendulum leaf formula aerogenerator | |
| CN104481801A (en) | Impeller of foldable-blade vertical shaft based on belt drive | |
| CN104500329A (en) | Vertical-shaft impeller with foldable blades on basis of fixture block mechanism | |
| CN104329219A (en) | Sistan fan propeller | |
| CN104533708A (en) | Gear mechanism based self-rotation blade impeller | |
| CN201196131Y (en) | Vertical wind wheel | |
| CN104595104B (en) | Vertical shaft fan impeller with flexible vanes | |
| CN104265563A (en) | Double-half-vane type low-speed starting lift-to-drag interconversion type wind rotor system of vertical-axis wind turbine | |
| CN104454340A (en) | Foldable blade vertical axis impeller based on connecting rod transmission | |
| CN101315058A (en) | Vertical three-wing wind wheel | |
| CN104454339A (en) | Vertical axis draught fan impeller based on bevel gear transmission | |
| CN202181985U (en) | Impeller keel structure and vertical axis wind power generation system constituted by same | |
| CN202756179U (en) | Breeze and solar hybrid efficient low-resistance power generator | |
| CN104806446A (en) | Rocking blade type wind generator with vertical shaft and electricity generating method thereof | |
| CN201180625Y (en) | H sail wing shaped three-group windmill retrograde rotation generator set | |
| CN104595105A (en) | Vertical shaft fan impeller with moving arc vane | |
| CN103670913A (en) | Novel lift-to-drag combination H-S type vertical shaft wind machine | |
| PH12017000305A1 (en) | An improved vertical-axis wind turbine (vawt) | |
| CN203702452U (en) | High-performance ring wing type blade of wind turbine | |
| CN102787980B (en) | Flying saucer type antipole double speed direct-driven wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |