CN202707366U - Wind power generation device - Google Patents
Wind power generation device Download PDFInfo
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- CN202707366U CN202707366U CN 201220148883 CN201220148883U CN202707366U CN 202707366 U CN202707366 U CN 202707366U CN 201220148883 CN201220148883 CN 201220148883 CN 201220148883 U CN201220148883 U CN 201220148883U CN 202707366 U CN202707366 U CN 202707366U
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- wind
- turbo machine
- tubaeform
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- wind gathering
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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
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
A wind power generation device comprises a base seat, a poly wind tower, a vertical generator, a vertical spiral turbine, a turbine air inlet duct, a trumpet shape wind poking duct and an umbrella shape wind drawing duct. According to the wind power generation device, the poly wind tower is adopted to gather wind, the trumpet shape wind poking duct is matched to poke the wind, and the umbrella shape wind drawing duct is matched to draw the wind. And therefore, artificial tornadoes are formed, low pressure is produced in the middle of the artificial tornadoes, and great pulling force is produced to the turbine. Accordingly, the vertical spiral turbine is promoted, the vertical generator is driven to generate electricity, and large installed capacity is achieved.
Description
Technical field
The utility model relates to a kind of electricity generating device, particularly a kind of wind generating unit.
Background technique
Clean energy resource has become the inexorable trend of world energy sources development, thoroughly replaces coal fired power generation, will realize energy revolution.
China generation current machine electric motor power 1,000,000,000 KW, wherein 77% is the coal electricity, 3,100,000,000 tons in year consumption coal.Annual new nearly 100,000,000 KW of electric motor power of China invested 5,000 hundred million yuan in recent years, estimated that the year two thousand twenty will reach 1,900,000,000 KW.As by present development trend, the year two thousand fifty energy consumption will increase by three times, electric motor power 3,000,000,000 KW year need 10,000,000,000 tons in coal, will have a strong impact on environment and change global climate, for the mankind bring huge disaster.
How do the mankind solve clean energy resource? to thoroughly replace coal fired power generation, clean energy resource just must reach the technical merit of coal fired power generation: minimum electric motor power is 300,000 KW such as present coal fired power generation, effectively generating dutation is 5500 hours, stable 50Hz, and investing and produce should be suitable with the coal electricity.
The proton heat of fusion nuclear reaction of the sun, the energy of radiation only have 200,000/arrival earth, are equivalent to 200,000,000,000,000 tons of coals of annual burning, and foot has 6,000,000,000 annual interests to use the time, is inexhaustible, nexhaustible.Also can grasp the nuclear fusion generating such as the mankind, be developing direction certainly, but still need very long development process.The U.S. is the state-of-the-art bright source focusing solar power generation CSP of energy company at present, and total installation of generating capacity 392MW invests 1,600,000,000 dollars, and 2.95 ten thousand yuan/KW of generation investment is 5 times that the coal electricity is invested.The 800m high tower that the U.S. is building, the 200MW thermo-electric generation, 500,000,000 dollars of gross investments, 6.33 ten thousand yuan/KW, so high tower is generally promoted unrealistic.Solar energy generating efficiency is low, and effectively generating dutation is only 2000 hours, and Switzerland adopts thin film solar to build power plant in space, can generate electricity in 24 hours, and 1000MW invests 17,000,000,000 dollars, and 120,000 yuan/KW of generation investment is 22 times of coal electricity.The wind that the earth produces because of day and night temperature, it is the most ripe that horizontal shaft wind-power is considered to technology, the most promising clean energy resource.Nowadays in the situation that supports energetically broad development of each government of the world, from its practical novel 123 years so far, the generating proportion was still very little, obviously has fatal weakness.The unique channel that thoroughly replaces coal fired power generation with wind-powered electricity generation is wind energy, blast, wind speed, wind direction, the air quantity that can automatically control natural wind when human, even during wind density.
The utility model " on the basis of gathering speed increasing wind wind generator (application number 201010619068X), has had substantial major technological breakthrough former.
The model utility content
The purpose of this utility model, exactly for a kind of wind generating unit is provided, utilize inexhaustible, nexhaustible wind energy, use the gathering speed increasing wind method, formation is taken out and is dialled air-flow, generates tornado, realizes the wind-power electricity generation of large electric motor power with high wind speed, obtain cheap clean energy resource, replace coal fired power generation.
The technical solution of the utility model is: a kind of wind generating unit, and it comprises:
Pedestal;
The wind gathering tower is installed on the pedestal, is the mullion shelf structure, and inside is provided with the cavity of a up/down perforation, cavity wall be circumferentially with a plurality of wind discharging doors that can only inwardly open;
Vertical generator is arranged on the bottom in the wind gathering tower cavity and is installed on the pedestal, and its live axle protrudes upward;
The vertical spin turbo machine, be installed in the top of vertical generator, comprise the turbine bucket that is arranged on the top, the flying wheel that is arranged on the below and the arbor that connects turbine bucket and flying wheel, the arbor below is passed flying wheel and is linked to each other with the live axle transmission that vertical generator protrudes upward, and the exhaust outlet of vertical spin turbo machine upwards;
Turbo machine air intake cylinder, in being installed on the pedestal of wind gathering tower cavity inner bottom part and vertical generator and vertical spin turbo machine being enclosed in, the middle part is provided with the intake grill that is communicated with turbine bucket, and the bottom is provided with the cross-brace plate between vertical generator and vertical spin turbo machine flying wheel;
Tubaeform wind turning cylinder, be arranged on the central position in the wind gathering tower cavity, the sealing suitable for reading of the suitable for reading and wind gathering tower of tubaeform wind turning cylinder links to each other, end opening is connected with turbo machine air intake cylinder, form the wind gathering passage between the tubaeform wind turning cylinder that is connected and turbo machine air intake cylinder and the wind gathering tower, the bottom of wind gathering passage is communicated with the intake grill of turbo machine air intake cylinder;
The umbrella shape suction tube, be connected to the top of tubaeform wind turning cylinder, comprise the frame structure that is connected with the wind gathering tower and the conically shaped body that is arranged at least one deck hollow in the frame structure, the conical surface of conically shaped body is provided with a plurality of exhausting doors that can only outwards open, and the bottom edge of conically shaped body is provided with or is not provided with suction opeing or the exhaust port of above-below direction.
The middle part of described wind gathering passage is circumferentially with spiral aviation baffle.
The intake grill of described turbo machine air intake cylinder is provided with for the automatic register of regulating the intake grill size.
Described vertical spin turbo machine links to each other with the magnetic suspension of turbo machine air intake cylinder by magnetic suspension mechanism.
The height of described tubaeform wind turning cylinder is greater than tubaeform wind turning cylinder diameter suitable for reading, and the bottom of tubaeform wind turning cylinder is provided with the spirality wind deflector, and middle part and top are provided with the airfoil wind deflector.
The cavity wall of described wind gathering tower circumferentially is provided with a plurality of wind gathering chambeies that form that enclosed by vertical barge board and horizontal barge board outward, and the cavity wall in each wind gathering chamber is provided with a plurality of wind discharging doors that can only inwardly open.
The conical surface of described umbrella shape suction tube circumferentially is interval with a plurality of vertical barge boards outward, and the bottom surface is provided with horizontal barge board, forms the exhausting chamber between the adjacent vertical barge board, is respectively equipped with a plurality of exhausting doors that can only outwards open on the conical surface in each exhausting chamber.
Described magnetic suspension mechanism comprises an axial magnetic suspension mechanism and at least two axial magnetic mechanisms; Axial magnetic suspension mechanism is arranged between the cross-brace plate of vertical spin turbo machine and turbo machine air intake cylinder, and axial magnetic mechanism is separately positioned between turbo machine air intake cylinder inwall and the turbine wheel; Each magnetic suspension mechanism comprises respectively two groups of floating assemblies of the corresponding magnetic that arranges, and two groups of floating assembly non-contacts of corresponding magnetic are inserted mutually, and arrange by the magnetic balance principle.
The top of described wind gathering tower is provided with a conical surface, and described wind gathering passage top is provided with tubaeform air baffle ring, and the cavity wall sealing of the suitable for reading and wind gathering tower of tubaeform air baffle ring links to each other, and the end opening of tubaeform air baffle ring links to each other with the outer wall sealing of tubaeform wind turning cylinder.
Described automatic register comprises register and lower register, upper register is installed in the top of turbo machine air intake cylinder intake grill, lower register is installed in the below of turbo machine air intake cylinder intake grill, upper register and lower register move under the effect of control mechanism simultaneously in opposite directions or dorsad, realization is to the adjusting of intake grill size, thereby realization is to the adjusting of air quantity.
The utility model adopts the wind gathering of wind gathering tower, cooperates the wind turning of tubaeform wind turning cylinder, and umbrella shape suction tube exhausting forms artificial spout, and produces lowpressure at the center, and worm gear machine is produced huge withdrawing power.Promote thus the vertical spin worm gear machine, drive vertical generator generating, realized large electric motor power.
When wind gathering tower diameter greater than 100m, height is during greater than 200m, the wind speed of turbo machine air intake cylinder will improve more than ten doubly, the vertical generator that can drive 300MW generates electricity, and can reach the level of coal fired power generation fully.And cost of investment and coal fired power generation are suitable, but cost of production reduces greatly, and production management personnel also greatly reduce.The electricity generating device of same size adopts device of the present utility model can save 510,000 tons of standard coals every year, reduces by 1,400,000 tons of CO2 emission, economizes on water 460,000 tons.For most coastal areas, the world, populous, industry is flourishing, and wind energy resources is abundant, and wind-powered electricity generation can satisfy local the use fully, can greatly reduce the cost of transportation of net electricity, is to solve the most effective a kind of method of the human energy.
Description of drawings
Fig. 1 is vertical sectional structure schematic diagram of the utility model wind generating unit the first embodiment;
Vertical sectional structure schematic diagram of Fig. 2 the utility model wind generating unit the second embodiment;
Fig. 3 is the plan structure schematic diagram of the utility model wind generating unit;
Fig. 4 is the bottom transverse sectional structure schematic diagram of Fig. 1.
Embodiment
Accompanying drawing has provided two preferred embodiments of the present utility model, and the utility model is described in further detail below in conjunction with embodiment.
Referring to Fig. 1, cooperate referring to Fig. 2, Fig. 3, Fig. 4, wind generating unit of the present utility model comprises pedestal 1, wind gathering tower 2, vertical generator 3, vertical spin turbo machine 4, turbo machine air intake cylinder 5, tubaeform wind turning cylinder 6 and umbrella shape suction tube 7.
Referring to Fig. 2, the utility model also can be established on the top of wind gathering tower 2 conical surface 25, on wind gathering passage 9 tops tubaeform air baffle ring 92 is set, the cavity wall sealing of the suitable for reading and wind gathering tower 2 of this tubaeform air baffle ring links to each other, and the end opening of tubaeform air baffle ring links to each other with the outer wall sealing of tubaeform wind turning cylinder 6.
The vertical generator of water wheels that vertical generator 3 vertical generators are market supply is arranged on the interior bottom of wind gathering tower cavity and is installed on the pedestal 1, and its live axle protrudes upward with vertical spin turbo machine 4 and links to each other.
Vertical spin turbo machine 4 is installed in the top of vertical generator 3, comprise the turbine bucket 41 that is arranged on the top, the flying wheel 42 that is arranged on the below and the arbor 43 that connects turbine bucket and flying wheel, arbor 43 belows are passed flying wheel and are linked to each other with live axle 31 transmissions that vertical generator protrudes upward, and the exhaust outlet of vertical spin turbo machine upwards.The vertical spin turbo machine links to each other with 5 magnetic suspension of turbo machine air intake cylinder with at least two axial magnetic mechanisms 82 by an axial magnetic suspension mechanism 81.Axial magnetic suspension mechanism 81 is arranged between the cross-brace plate of vertical spin turbo machine 4 and turbo machine air intake cylinder 5, and axial magnetic mechanism 82 is separately positioned between turbo machine air intake cylinder 5 inwalls and the turbine wheel; Each magnetic suspension mechanism comprises respectively two groups of floating assemblies of the corresponding magnetic that arranges, and two groups of floating assembly non-contacts of corresponding magnetic are inserted mutually, and arrange by the magnetic balance principle.The spiral vortex turbine is main equipment, its main shaft can adopt two section type or multi-segment structure in addition except adopting entire section structure, adopt key slot type magnetic gear to inhale mutually connection method or mechanical connection method between the axle, every section axle all adopts radial magnetic suspension structure, and the helical turbine sheet adopts the flexible connection method.
In turbo machine air intake cylinder 5 is installed on the pedestal 1 of wind gathering tower cavity inner bottom part and vertical generator 3 and vertical spin turbo machine 4 is enclosed in, the middle part is provided with the intake grill 51 that is communicated with turbine bucket, and the bottom is provided with cross-brace plate 52 between vertical generator and vertical spin turbo machine flying wheel.Intake grill 51 at turbo machine air intake cylinder is provided with for the automatic register 53 of regulating the intake grill size, automatically register 53 comprises register and lower register, can move the size of regulating intake grill to the centre from both direction up and down, thereby regulate the size of air output.
Tubaeform wind turning cylinder 6 is arranged on the central position in the wind gathering tower cavity, the sealing suitable for reading of the suitable for reading and wind gathering tower 2 of tubaeform wind turning cylinder links to each other, end opening is connected with turbo machine air intake cylinder 5, form wind gathering passage 9 between the tubaeform wind turning cylinder that is connected and turbo machine air intake cylinder and the wind gathering tower, the bottom of wind gathering passage 9 is communicated with the intake grill 51 of turbo machine air intake cylinder.Be circumferentially with spiral aviation baffle 91 at the middle part of wind gathering passage 9.The height of this is tubaeform wind turning cylinder 6 is greater than tubaeform wind turning cylinder diameter suitable for reading, and the bottom of tubaeform wind turning cylinder 6 is provided with spirality wind deflector 61, and middle part and top are provided with airfoil wind deflector 62 (referring to Fig. 3).
Umbrella shape suction tube 7 is connected to the top of tubaeform wind turning cylinder 6, comprise the frame structure that is connected with the wind gathering tower and the conically shaped body 71 that is arranged at least one deck hollow in the frame structure, the conical surface of conically shaped body is provided with a plurality of exhausting doors 72 that can only outwards open, suction opeing or exhaust port 73 that the bottom edge of conically shaped body was provided with or was not provided with above-below direction (seal such as the first layer conically shaped body bottom edge among Fig. 1, do not establish suction opeing or exhaust port, and the bottom edge of the second layer and the 3rd layer of conically shaped body is equipped with suction opeing or the exhaust port of above-below direction, suction opeing or exhaust port are same mouthful, being suction opeing when being in the windward side, is exhaust port when being in lee face).Outside the conical surface of umbrella shape suction tube 7, circumferentially be interval with a plurality of vertical barge boards 74, the bottom surface is provided with horizontal barge board 75, form exhausting chamber 76 between the adjacent vertical barge board, be respectively equipped with a plurality of exhausting doors 72 that can only outwards open on the conical surface in each exhausting chamber; This exhausting door 72 can be the exhausting door by the up and down folding of horizontal axis installation, also can be the exhausting door by the opening and closing left and right of inclined shaft installation.
Working principle of the present utility model is that natural wind at first enters the wind gathering chamber of wind gathering tower windward side, and opens the wind discharging door (wind discharging door of lee face is autoshutdown under weight own and Action of Wind pressure) of windward side, enters the wind gathering passage.At this moment, form the malleation larger than natural wind in the wind gathering passage, the air-flow of wind gathering passage enters the intake grill of turbo machine air intake cylinder under the guiding of spiral aviation baffle, and then drives turbine bucket.
The umbrella shape suction tube is positioned at the top of tubaeform wind turning cylinder and wind gathering tower.The utility model is the electricity generating device of large electric motor power, highly reaches hundred meters, hundreds of rice, and it is very little that the natural wind speed under this height is affected by ground, the wind speed state that tended towards stability, and its wind speed is much larger than the surface wind of 10 meters height.Under the horizontal barge board effect of vertical barge board and bottom surface, the high-altitude natural wind enters the umbrella shape suction tube and upwards assembles along the suction opeing of umbrella shape suction tube below, forms high speed winds at the end face of every layer of conically shaped body.According to bernoulli formula P+0.5 ρ V2=constant (P air pressure, ρ air density, V wind speed).In the situation that air density is constant, wind speed increases, and air pressure must reduce, thereby produces a lift that makes progress, and forms lowpressure.Form the positive air pressure wind gathering in the wind gathering passage, umbrella shape suction tube, tubaeform wind turning cylinder are combined and are consisted of the lowpressure wind turning, form high velocity air, promote the turbo machine rotation from both direction, thereby drive the generator generating.
In wind gathering passage and tubaeform wind turning cylinder, be provided with wind deflector, after high velocity air passes through, must be transformed into rotary wind.Because the exhaust port diameter of loudspeaker wind turning cylinder is the several times of intake grill, according to the conservation of angular momentum, quality * radius * angular velocity=constant.Under the substantially constant condition of gas density, the diameter downward with Megaphone constantly reduces in tubaeform wind turning cylinder, and the angular velocity of wind will constantly increase, and forms tornado at the Megaphone intake grill.The tornado of High Rotation Speed makes again rotating center air pressure reduce, and air-flow differential is increased, and forms again larger tornado, not only makes rotating center produce low vacuum state, and produces the very huge power of dialling of taking out, and drives the spiral vortex turbine with the form of taking out the power of dialling.Be positioned at the outer volume adjusting apparatus of turbo machine air intake cylinder this moment and make the spiral vortex turbine reach rated speed, and flying wheel and spiral vortex turbine blade are positioned at the floating state of magnetic, will make the spiral vortex turbine stable, guarantee the 50Hz frequency that is incorporated into the power networks.When the wind speed 11-fold increase, 15 times the time, generator power will increase by 1000 times, 3000 times, be enough to reach the electric motor power of existing coal fired power generation.
Claims (10)
1. wind generating unit is characterized in that comprising:
Pedestal;
The wind gathering tower is installed on the pedestal, is the mullion shelf structure, and inside is provided with the cavity of a up/down perforation, cavity wall be circumferentially with a plurality of wind discharging doors that can only inwardly open;
Vertical generator is arranged on the bottom in the wind gathering tower cavity and is installed on the pedestal, and its live axle protrudes upward;
The vertical spin turbo machine, be installed in the top of vertical generator, comprise the turbine bucket that is arranged on the top, the flying wheel that is arranged on the below and the arbor that connects turbine bucket and flying wheel, the arbor below is passed flying wheel and is linked to each other with the live axle transmission that vertical generator protrudes upward, and the exhaust outlet of vertical spin turbo machine upwards;
Turbo machine air intake cylinder, in being installed on the pedestal of wind gathering tower cavity inner bottom part and vertical generator and vertical spin turbo machine being enclosed in, the middle part is provided with the intake grill that is communicated with turbine bucket, and the bottom is provided with the cross-brace plate between vertical generator and vertical spin turbo machine flying wheel;
Tubaeform wind turning cylinder, be arranged on the central position in the wind gathering tower cavity, the sealing suitable for reading of the suitable for reading and wind gathering tower of tubaeform wind turning cylinder links to each other, end opening is connected with turbo machine air intake cylinder, form the wind gathering passage between the tubaeform wind turning cylinder that is connected and turbo machine air intake cylinder and the wind gathering tower, the bottom of wind gathering passage is communicated with the intake grill of turbo machine air intake cylinder;
The umbrella shape suction tube, be connected to the top of tubaeform wind turning cylinder, comprise the frame structure that is connected with the wind gathering tower and the conically shaped body that is arranged at least one deck hollow in the frame structure, the conical surface of conically shaped body is provided with a plurality of exhausting doors that can only outwards open, and the bottom edge of conically shaped body is provided with or is not provided with suction opeing or the exhaust port of above-below direction.
2. wind generating unit according to claim 1, it is characterized in that: the middle part of described wind gathering passage is circumferentially with spiral aviation baffle.
3. wind generating unit according to claim 1 is characterized in that: the intake grill of described turbo machine air intake cylinder is provided with for the automatic register of regulating the intake grill size.
4. wind generating unit according to claim 1, it is characterized in that: described vertical spin turbo machine links to each other with the magnetic suspension of turbo machine air intake cylinder by magnetic suspension mechanism.
5. wind generating unit according to claim 1, it is characterized in that: the height of described tubaeform wind turning cylinder is greater than tubaeform wind turning cylinder diameter suitable for reading, the bottom of tubaeform wind turning cylinder is provided with the spirality wind deflector, and middle part and top are provided with the airfoil wind deflector.
6. wind generating unit according to claim 1, it is characterized in that: the cavity wall of described wind gathering tower circumferentially is provided with a plurality of wind gathering chambeies that form that enclosed by vertical barge board and horizontal barge board outward, and the cavity wall in each wind gathering chamber is provided with a plurality of wind discharging doors that can only inwardly open.
7. wind generating unit according to claim 1, it is characterized in that: the conical surface of described umbrella shape suction tube circumferentially is interval with a plurality of vertical barge boards outward, the bottom surface is provided with horizontal barge board, form the exhausting chamber between the adjacent vertical barge board, be respectively equipped with a plurality of exhausting doors that can only outwards open on the conical surface in each exhausting chamber.
8. wind generating unit according to claim 4, it is characterized in that: described magnetic suspension mechanism comprises an axial magnetic suspension mechanism and at least two axial magnetic mechanisms; Axial magnetic suspension mechanism is arranged between the cross-brace plate of vertical spin turbo machine and turbo machine air intake cylinder, and axial magnetic mechanism is separately positioned between turbo machine air intake cylinder inwall and the turbine wheel; Each magnetic suspension mechanism comprises respectively two groups of floating assemblies of the corresponding magnetic that arranges, and two groups of floating assembly non-contacts of corresponding magnetic are inserted mutually, and arrange by the magnetic balance principle.
9. wind generating unit according to claim 1, it is characterized in that: the top of described wind gathering tower is provided with a conical surface, described wind gathering passage top is provided with tubaeform air baffle ring, the cavity wall sealing of the suitable for reading and wind gathering tower of tubaeform air baffle ring links to each other, and the end opening of tubaeform air baffle ring links to each other with the outer wall sealing of tubaeform wind turning cylinder.
10. wind generating unit according to claim 3, it is characterized in that: described automatic register comprises register and lower register, upper register is installed in the top of turbo machine air intake cylinder intake grill, lower register is installed in the below of turbo machine air intake cylinder intake grill, upper register and lower register move under the effect of control mechanism simultaneously in opposite directions or dorsad, realization is to the adjusting of intake grill size, thereby realization is to the adjusting of air quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148883 CN202707366U (en) | 2012-04-10 | 2012-04-10 | Wind power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220148883 CN202707366U (en) | 2012-04-10 | 2012-04-10 | Wind power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707366U true CN202707366U (en) | 2013-01-30 |
Family
ID=47587674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220148883 Expired - Lifetime CN202707366U (en) | 2012-04-10 | 2012-04-10 | Wind power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362746A (en) * | 2012-04-10 | 2013-10-23 | 孙立蓉 | Wind power generation device |
-
2012
- 2012-04-10 CN CN 201220148883 patent/CN202707366U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362746A (en) * | 2012-04-10 | 2013-10-23 | 孙立蓉 | Wind power generation device |
| CN103362746B (en) * | 2012-04-10 | 2015-08-05 | 孙立蓉 | Wind generating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |