CN102465823A - Buoyant pumping type power generation device - Google Patents
Buoyant pumping type power generation device Download PDFInfo
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- CN102465823A CN102465823A CN2010105565109A CN201010556510A CN102465823A CN 102465823 A CN102465823 A CN 102465823A CN 2010105565109 A CN2010105565109 A CN 2010105565109A CN 201010556510 A CN201010556510 A CN 201010556510A CN 102465823 A CN102465823 A CN 102465823A
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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
- Y02E10/20—Hydro energy
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Abstract
The invention provides a buoyant pumping type power generation device, which comprises a combination design of at least one buoyancy unit, at least one power generation unit, at least one water supply unit, and at least one control unit. The buoyancy unit comprises a main water groove, a floating barrel and a guide groove member. The floating barrel is provided with a water pumping groove. The side of the water pumping groove is provided with at least a first valve. A side wall of the main water groove is provided with multiple second valves. The power generation unit comprises a first power generation water groove, a second power generation water groove, a water pressure pipe, a water cart, and a power generator. The side of the second power generation water groove is provided with at least a third valve. The water supply unit comprises multiple water supply grooves. The side of each of the water supply grooves is provided with a fourth valve. The control unit comprises a valve control disk and a power generator control disk. The buoyant pumping type power generation device has the effects of saving energy, being stable and durable and effectively improving power generation efficiency.
Description
Technical field
The invention relates to a kind of electricity generating device, be meant a kind of buoyancy formula electricity generating device that pumps up water especially.
Background technique
The tradition electricity generating device is known to have generation modes such as utilization nuclear energy, firepower, waterpower, wind-force and solar energy to obtain electric power, and wherein, adopting hydroelectric installation is comparatively environmental protection and the oligosaprobic generation mode of tool; And the wind-power electricity generation mode of same tool environment protection effect; More can obtain stable generating efficiency, therefore promptly have the dealer to be devoted to research and develop relevant hydroelectric installation, known hydroelectric installation is to have the buoyancy type bearing structure at present; Can fly at waters such as ocean, lake; The renewable sources of energy to draw occurring in nature are generated electricity, yet the installing environment of this kind hydroelectric installation is restricted, if at water conservancy environment such as general stream, rivers and creeks or canals; Also can install hydroelectric installation equally, then can increase the use of this hydroelectric installation.
Summary of the invention
The object of the present invention is to provide a kind of buoyancy formula electricity generating device that pumps up water that can promote the generating effect.
Be to realize above-mentioned purpose, the buoyancy provided by the invention formula electricity generating device that pumps up water, it comprises:
At least one buoyancy unit; Comprise main tank, floating drum and guide groove member, this guide groove member is incorporated into this main tank top, and this floating drum is arranged in this main tank again; And return after rising to this guide groove member; And above this floating drum, be provided with the groove that pumps up water, the groove side of this groove that pumps up water is provided with at least one first valve, is provided with a plurality of second valves at this main tank sidewall in addition;
At least one generator unit; Be equipped on the side of this guide groove member; Its include first a generating tank, up below the generator that second generating tank, the top penstock, that connects this first electrical generation water groove bottom is located at above this second generating tank and waterwheel at the bottom of this penstock pipe and is driven by this waterwheel, the groove side at this second generating tank is provided with at least one the 3rd valve in addition;
At least one water supply unit is equipped on the Lower Half side of this buoyancy unit, and it includes a plurality of feed water tanks that are arranged at this main tank side, is provided with the 4th valve with second valve pairing of this main tank at each feed water tank sidewall; And
At least one control unit; Be equipped on the side of this buoyancy unit; And this control unit includes a valve control panel and a dynamo panel; This valve control panel and this first valve, second valve, the 3rd valve and the 4th valve electrically connect, and this dynamo panel and this generator electrically connect.
The described buoyancy formula electricity generating device that pumps up water, wherein this main tank and this floating drum are corresponding square shape body each other.
The described buoyancy formula electricity generating device that pumps up water, wherein this guide groove member includes saddle and roller, and this saddle is provided with guide groove, and this roller is connected with this floating drum, and this roller connects this guide groove versatilely.
The described buoyancy formula electricity generating device that pumps up water, wherein arbitrary second valve or arbitrary the 4th valve are combined with a micro generator, and this micro generator and this dynamo panel electrically connect.
The described buoyancy formula electricity generating device that pumps up water, wherein this buoyancy unit is provided with one by the 5th valve and a rhone of this valve control panel control in the bottom portion side end of main tank; And the 5th valve is a solenoid valve, and is equipped with liquid level sensor.
The described buoyancy formula electricity generating device that pumps up water, wherein this first valve, this second valve, the 3rd valve and the 4th valve are solenoid valve, and those valves are equipped with liquid level sensor.
The described buoyancy formula electricity generating device that pumps up water; Wherein the side of those feed water tanks is provided with the member that pumps up water; It includes a lift pump and one and this lift pump lifting pipe in succession; One end of this lifting pipe is positioned at undermost feed water tank, and the end in addition of this lifting pipe is positioned at the feed water tank top of the superiors, water is evacuated to the feed water tank of the superiors by undermost feed water tank with this; And this control unit is provided with the lift pump control panel that electrically connects with this lift pump.
The described buoyancy formula electricity generating device that pumps up water; Wherein those feed water tanks include a plurality of first feed water tank and a plurality of second feed water tanks of side in addition that are positioned at this main tank that are positioned at a side of this main tank; Those first and second feed water tanks all from top to bottom are set in distance, and the position is provided with in those first feed water tanks and the second feed water tank interleaved of different sides.
The described buoyancy formula electricity generating device that pumps up water, wherein this penstock is equipped with the penstock valve that electrically connects with this valve control panel.
The described buoyancy formula electricity generating device that pumps up water is wherein inserted hydrogen, helium or for being lighter than the gas of air in this floating drum.
The buoyancy of the present invention formula electricity generating device that pumps up water; Modular design by at least one buoyancy unit, at least one generator unit, at least one water supply unit and at least one control unit; The buoyancy that promotes the generating effect formula electricity generating device that pumps up water is to improve its practicability and convenience of use.
Description of drawings
Fig. 1 is pump up water first embodiment's the schematic perspective view of formula electricity generating device of buoyancy of the present invention.
Stereogram (a) and cross section view (b) when Fig. 2 is main tank, the floating drum of Fig. 1, the groove that pumps up water combination.
Fig. 3 is pump up water first embodiment's the cross section view of formula electricity generating device of buoyancy of the present invention.
Fig. 4 is pump up water second embodiment's the cross section view of formula electricity generating device of buoyancy of the present invention.
Fig. 5 is pump up water the 3rd embodiment's the cross section view of formula electricity generating device of buoyancy of the present invention.
Fig. 6 is pump up water the 4th embodiment's the schematic perspective view of formula electricity generating device of buoyancy of the present invention.
Fig. 7 is pump up water the 4th embodiment's the cross section view of formula electricity generating device of buoyancy of the present invention.
Fig. 8 to Figure 14 is buoyancy of the present invention the 4th embodiment of the formula electricity generating device run action schematic representation when implementing that pumps up water.
Figure 15 is pump up water the 5th embodiment's the cross section view of formula electricity generating device of buoyancy of the present invention.
Primary clustering symbol description in the accompanying drawing:
1 buoyancy unit, 10 main tanks, 11 floating drums, 12 guide groove members, 13 grooves that pump up water, 14 first valves; 15 second valves, 16 the 5th valves, 17 rhones, 2 generator units, 21 first generating tanks, 22 second generating tanks; 23 penstocks, 231 penstock valves, 24 waterwheels, 25 generators, 26 the 3rd valves, 3 water supply unit; 31 feed water tanks, 31A first feed water tank, 31B second feed water tank, 32 members that pump up water, 33 lift pumps, 34 lifting pipes; 35 the 4th valves, 4 control units, 41 valve control panels, 42 dynamo panels, 43 lift pump control panels, 50 micro generators.
Embodiment
The buoyancy of the present invention formula electricity generating device that pumps up water, it comprises: at least one buoyancy unit comprises main tank, floating drum and guide groove member; This guide groove member is incorporated into this main tank top; This floating drum is arranged in this main tank again, and returns after rising to this guide groove member, and above this floating drum, is provided with the groove that pumps up water; The groove side of this groove that pumps up water is provided with at least one first valve, is provided with a plurality of second valves at this main tank sidewall in addition; At least one generator unit; Be equipped on the side of this guide groove member; Its include first a generating tank, up below the generator that second generating tank, the top penstock, that connects this first electrical generation water groove bottom is located at above this second generating tank and waterwheel at the bottom of this penstock pipe and is driven by this waterwheel, the groove side at this second generating tank is provided with at least one the 3rd valve in addition; At least one water supply unit is equipped on the Lower Half side of this buoyancy unit, and it includes a plurality of feed water tanks that are arranged at this main tank side, is provided with the 4th valve with second valve pairing of this main tank at each feed water tank sidewall; And at least one control unit; Be equipped on the side of this buoyancy unit; And this control unit includes a valve control panel and a dynamo panel; This valve control panel and this first valve, second valve, the 3rd valve and the 4th valve electrically connect, and this dynamo panel and this generator electrically connect.
Thus, make the buoyancy of the present invention formula electricity generating device that pumps up water, by the modular design of a buoyancy unit, a generator unit, a water supply unit and a control unit; Can form two water circulation systems; One water circulation system can flow pumping up water between groove and this generator unit of this buoyancy unit, and driving this generator operation generating, and another water circulation system can be mobile between the main tank of this buoyancy unit and this water supply unit; Let this buoy lifting except increasing and decreasing through the water level in this main tank; Also can make the micro generator of each valve body transmit electricity through luck,, and then increase gross generation with the generated energy of increase time per unit at current.
Moreover; The present invention is provided with the member that pumps up water through the groove side at those feed water tanks; It includes the modular design of a lift pump, a lifting pipe and a lift pump control panel, to quicken that water is evacuated to the top by the bottom of those feed water tanks, makes those feed water tanks can be to the water level in this main tank; Regulate, to cooperate the action of draining stage by stage of this pump up water groove and this second generating tank.
In order further to understand characteristic of the present invention, characteristics and technology contents, see also followingly about detailed description of the present invention and accompanying drawing, only institute's accompanying drawing only provides reference and explanation usefulness, and is non-in order to restriction the present invention.
First embodiment
See also shown in Figure 1ly, be a kind of buoyancy formula electricity generating device that pumps up water, it comprises the modular design of at least one buoyancy unit 1, at least one generator unit 2, at least one water supply unit 3 and at least one control unit 4.
This buoyancy unit 1 comprises main tank 10, floating drum 11 and guide groove member 12; This guide groove member 12 is incorporated into this main tank 10 tops; This floating drum 11 is arranged in this main tank 10 again, and returns after rising to this guide groove member 12, and above this floating drum 11, is provided with the groove 13 that pumps up water; The groove side of this groove 13 that pumps up water is provided with at least one first valve 14, is provided with a plurality of second valves 15 at these main tank 10 sidewalls in addition.
This generator unit 2 is equipped on the side of this guide groove member 12; Its include first a generating tank 21, up below the generator 25 that the second generating tank 22, the top penstock 23, that connects these first generating tank, 21 bottom surfaces is located at above this second generating tank 22 and waterwheel 24 at the bottom of these penstock 23 pipes and is driven by this waterwheel 24, the groove side at this second generating tank 22 is provided with at least one the 3rd valve 26 in addition.
This water supply unit 3 is equipped on the Lower Half side of this buoyancy unit 1, and it includes a plurality of feed water tanks 31 that are arranged at these main tank 10 sides, is provided with the 4th valve 35 with second valve 15 pairing of this main tank 10 at each feed water tank 31 sidewall.Those feed water tanks 31 all from top to bottom are set in distance again.
This control unit 4 is equipped on the side of this buoyancy unit 1; And this control unit 4 includes a valve control panel 41 and a dynamo panel 42; This valve control panel 41 is control first valve 14, second valve 15, the 3rd valve 26, the 4th valve 35 and lift pump 33 open and close operation, and this dynamo panel 42 is and this generator 25 electrically connects.
In this embodiment, see also shown in Figure 2ly, this main tank 10 and this floating drum 11 are corresponding square shape body each other.And in this floating drum 11, further insert hydrogen, helium or for being lighter than the gas of air, alleviate the weight of this floating drum 11 and this groove 13 that pumps up water, when filling up a large amount of generating water in the groove 13 that pumps up water at this, help this floating drum 11 and this groove 13 up-downs of pumping up water with this.And this guide groove member 12 includes saddle and roller (figure does not show); This saddle is combined on this main tank 10 and in order to stablize this groove 13 that pumps up water to go up and down with this floating drum 11; And be provided with the guide groove that cooperates with this cell wall that pumps up water groove 13 (figure does not show) at this saddle sidewall, and this roller is to be connected with this floating drum, and this roller is to connect this guide groove versatilely; Go up and down with this groove 13 that pumps up water to stablize this floating drum 11, to reduce the situation that transverse shakiness takes place.
And for example shown in Figure 3, the present invention further is combined with a micro generator 50 respectively in each second valve 15 and each the 4th valve 35 place, with current through the time effect of generating electricity, and this micro generator 50 is and this dynamo panel 42 electrically connects.
In addition, the carrying out of maintenance operations such as the present invention inspects for ease, maintenance in the bottom portion side end of main tank 10, further is provided with one by the 5th valve 16 and a rhone 17 of these valve control panel 41 controls in this buoyancy unit 1.By the water in this main tank 10 are expelled in this rhone 17 fully, conveniently to carry out the maintenance operations such as cleaning, repairing in this main tank.
In above-mentioned; This first valve 14, this second valve 15, the 3rd valve 26, the 4th valve 35 and the 5th valve 16 are solenoid valve; So that accurately control by these valve control panel 41 unifications; And those valves 14,15,16,26,35 are equipped with liquid level sensor (figure does not show), with each groove middle water level of induction detecting.Wherein, the body of the water supply circulation that this first valve 14 and the 3rd valve 26 are arranged in pairs or groups is to adopt soft body, to avoid when this groove 13 that pumps up water goes up and down, causing physical property to disturb the situation of (for example body suffers the external force extruding) to take place.
The buoyancy of the first embodiment of the present invention formula electricity generating device that pumps up water; It is modular design by a buoyancy unit 1, a generator unit 2, a water supply unit 3 and a control unit 4; Can form two water circulation systems; One water circulation system can flow pumping up water between groove 13 and this generator unit 2 of this buoyancy unit 1, and driving this generator 25 running generatings, and another water circulation system can be mobile between the main tank 10 of this buoyancy unit 1 and this water supply unit 3; Let this floating drum 11 goes up and down except increasing and decreasing through the water levels in this main tank 10; Also can make the micro generator 50 of each valve body transmit electricity through luck,, and then increase gross generation with the generated energy of increase time per unit at current.
Second embodiment
Please consult shown in Figure 4ly again, be the buoyancy of the second embodiment of the present invention formula electricity generating device that pumps up water, it is different from above-mentioned first embodiment's difference place; The side that is those feed water tanks 31 is provided with the member 32 that pumps up water; It includes a lift pump 33 and one and this lift pump 33 lifting pipe 34 in succession, the bottom of these lift pump 33 contiguous those feed water tanks 31, and connect with a termination of this lifting pipe 34; And the end in addition of this lifting pipe 34 is tops at those feed water tanks 31, position; With this water is evacuated to the top by the bottom of those feed water tanks 31, be delivered to regulate water levels in this main tank 10 after, be expelled to the bottom of those feed water tanks 31 again; And this control unit 4 further is provided with the lift pump control panel 43 that electrically connects with this lift pump 33.In the drawings, this first valve 14 is different from first embodiment with the 3rd valve 26, is to adopt two and be to arrange up and down enforcement is set, and makes this pump up water groove 13 and this second generating tank 22, water yield in the letdown tank stage by stage with this.
The buoyancy of the second embodiment of the present invention formula electricity generating device that pumps up water; Be through a lift pump 33, a lifting pipe 34 and a lift pump control panel 43 are set; To quicken that water is evacuated to the top by the bottom of those feed water tanks 31; Those feed water tanks 31 can be regulated the water level in this main tank 10, move with the draining stage by stage of this second generating tank 22 to cooperate this groove 13 that pumps up water.
The 3rd embodiment
Please consult shown in Figure 5 again; Be the buoyancy of the third embodiment of the present invention formula electricity generating device that pumps up water; Be those feed water tanks 31 with above-mentioned first embodiment; Be arranged with a plurality of first feed water tank 31A and a plurality of second feed water tank 31B, those first feed water tanks 31A is a side that is arranged at this main tank 10, and those second feed water tanks 31B is the side in addition that is arranged at this main tank 10; The position is interleaved settings at those the first feed water tank 31A and the second feed water tank 31B of different sides again, and those feed water tanks 31A, 31B all from top to bottom are set in distance.
The buoyancy of the third embodiment of the present invention formula electricity generating device that pumps up water; Be by different sides at this main tank 10; Those first feed water tank 31A and those second feed water tanks 31B are crisscross arranged; Than first and second embodiment, except shortening the span between feed water tank and the feed water tank, also can promote water application efficiency and keep the firm of this main tank 10.
The 4th embodiment
See also Fig. 6 and shown in Figure 7; Be the buoyancy of the fourth embodiment of the present invention formula electricity generating device that pumps up water; Its technological means is above-mentioned second embodiment and the 3rd embodiment's a modular design, thus, and except advantage with second and third embodiment; Further can reduce the pumping load of this lift pump 33, with using electricity wisely.And in this embodiment; In order to make the water yield that flows out this penstock 23; Can provide stable and equal current of amount, come the waterwheel 24 at the bottom of the shock tube, then this penstock 23 is equipped with the penstock valve 231 that electrically connects with this valve control panel 41; Come accurately control to wander to the flow and the flow velocity of this second generating tank 22 thus, and make this waterwheel 24 can stablize this generator 25 running generatings of drive by this first generating tank 21.
And the present invention is by the 4th embodiment's the buoyancy formula electricity generating device that pumps up water, and cooperates Fig. 8 to shown in Figure 14, explains that the run action of apparatus of the present invention is following:
In above-mentioned generation steps flow process, the water level in each groove is all responded to detecting through the liquid level sensor that is installed in each valve, opens or throttle down for this control unit 4.And water also can drive the micro generator 50 running generatings that are installed in valve in the lump when flowing through each valve.
The 5th embodiment
See also shown in Figure 15; Be the buoyancy of the fifth embodiment of the present invention formula electricity generating device that pumps up water, its technological means is that the formula electricity generating device collocation of pumping up water of the buoyancy by the 4th embodiment more than two is implemented, wherein; Like the form that is disclosed among the figure; Can omit use a buoyancy the pump up water generator unit 2 and the control unit 4 of formula electricity generating device, make a buoyancy pump up water the floating drum 11 of formula electricity generating device when rising with the groove 13 that pumps up water, the pump up water floating drum 11 of formula electricity generating device of another buoyancy promptly can descend with the groove 13 that pumps up water.Thus; Can make two buoyancy two of the formula electricity generating device groove 13 that pumps up water that pumps up water, can supply the generating water of same generator unit 2 alternately, the waterwheel 24 of this generator unit 2 is rotated continuously; And then continue to drive this generator 25 running generatings, to increase the generated energy of time per unit.
The above is merely preferable possible embodiments of the present invention, and is non-so promptly limit to interest field of the present invention, and the equivalent structure that uses specification of the present invention and accompanying drawing content to do such as changes, and all reason is with being contained in the claim scope of the present invention.
Claims (10)
1. buoyancy formula electricity generating device that pumps up water, it comprises:
At least one buoyancy unit; Comprise main tank, floating drum and guide groove member, this guide groove member is incorporated into this main tank top, and this floating drum is arranged in this main tank again; And return after rising to this guide groove member; And above this floating drum, be provided with the groove that pumps up water, the groove side of this groove that pumps up water is provided with at least one first valve, is provided with a plurality of second valves at this main tank sidewall in addition;
At least one generator unit; Be equipped on the side of this guide groove member; Its include first a generating tank, up below the generator that second generating tank, the top penstock, that connects this first electrical generation water groove bottom is located at above this second generating tank and waterwheel at the bottom of this penstock pipe and is driven by this waterwheel, the groove side at this second generating tank is provided with at least one the 3rd valve in addition;
At least one water supply unit is equipped on the Lower Half side of this buoyancy unit, and it includes a plurality of feed water tanks that are arranged at this main tank side, is provided with the 4th valve with second valve pairing of this main tank at each feed water tank sidewall; And
At least one control unit; Be equipped on the side of this buoyancy unit; And this control unit includes a valve control panel and a dynamo panel; This valve control panel and this first valve, second valve, the 3rd valve and the 4th valve electrically connect, and this dynamo panel and this generator electrically connect.
2. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, this main tank and this floating drum are corresponding square shape body each other.
3. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, this guide groove member includes saddle and roller, and this saddle is provided with guide groove, and this roller is connected with this floating drum, and this roller connects this guide groove versatilely.
4. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, arbitrary second valve or arbitrary the 4th valve are combined with a micro generator, and this micro generator and this dynamo panel electrically connect.
5. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, this buoyancy unit is provided with one by the 5th valve and a rhone of this valve control panel control in the bottom portion side end of main tank; And the 5th valve is a solenoid valve, and is equipped with liquid level sensor.
6. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, this first valve, this second valve, the 3rd valve and the 4th valve are solenoid valve, and those valves are equipped with liquid level sensor.
7. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water; Wherein, The side of those feed water tanks is provided with the member that pumps up water, and it includes a lift pump and one and this lift pump lifting pipe in succession, and an end of this lifting pipe is positioned at undermost feed water tank; And the end in addition of this lifting pipe is positioned at the feed water tank top of the superiors, water is evacuated to the feed water tank of the superiors by undermost feed water tank with this; And this control unit is provided with the lift pump control panel that electrically connects with this lift pump.
8. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water; Wherein, Those feed water tanks include a plurality of first feed water tank and a plurality of second feed water tanks of side in addition that are positioned at this main tank that are positioned at a side of this main tank; Those first and second feed water tanks all from top to bottom are set in distance, and the position is provided with in those first feed water tanks and the second feed water tank interleaved of different sides.
9. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water, wherein, this penstock is equipped with the penstock valve that electrically connects with this valve control panel.
10. the buoyancy as claimed in claim 1 formula electricity generating device that pumps up water wherein, is inserted hydrogen, helium or for being lighter than the gas of air in this floating drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105565109A CN102465823A (en) | 2010-11-18 | 2010-11-18 | Buoyant pumping type power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105565109A CN102465823A (en) | 2010-11-18 | 2010-11-18 | Buoyant pumping type power generation device |
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| Publication Number | Publication Date |
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| CN102465823A true CN102465823A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105565109A Pending CN102465823A (en) | 2010-11-18 | 2010-11-18 | Buoyant pumping type power generation device |
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| CN (1) | CN102465823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343601A (en) * | 2018-02-12 | 2018-07-31 | 柴哲民 | A kind of water conservancy and hydropower buoyancy water plug |
-
2010
- 2010-11-18 CN CN2010105565109A patent/CN102465823A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343601A (en) * | 2018-02-12 | 2018-07-31 | 柴哲民 | A kind of water conservancy and hydropower buoyancy water plug |
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Application publication date: 20120523 |