CN102338020A - Gyro-orientated sea wave energy collecting device - Google Patents
Gyro-orientated sea wave energy collecting device Download PDFInfo
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- CN102338020A CN102338020A CN2011103101284A CN201110310128A CN102338020A CN 102338020 A CN102338020 A CN 102338020A CN 2011103101284 A CN2011103101284 A CN 2011103101284A CN 201110310128 A CN201110310128 A CN 201110310128A CN 102338020 A CN102338020 A CN 102338020A
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- blade
- bull stick
- floating drum
- propeller cavitation
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention discloses a gyro-orientated sea wave energy collecting device. The device comprises a float bowl, a rotating rod, more than two screw propellers and two torsion rods, wherein a generator in the float bowl is connected with a main drive shaft through an inertia wheel, a speed changing box and a ratchet wheel; the rotating rod is arranged at the lower end of the main drive shaft; the more than two screw propellers are fixedly arranged on the rotating rod in series; the two torsion rods are arranged on the float bowl; the float bowl floats on a sea surface and is positioned on the surface layer of seawater; and the rotating rod and the screw propellers are all positioned in shallow seawater. The device drives the screw propellers to rotate unidirectionally to realize sea wave energy collection by relative reciprocating motion between the float bowl floating on sea waves formed by phugoid motion of surface seawater as well as the screw propellers, inserted into the shallow seawater, of the float bowl and the relatively calm shallow seawater in a vertical direction. The device is not related to seacoast and seabed directly, and has the advantages of simple structure, low manufacturing cost, high suitability, high energy collection efficiency, high reliability, high anti-storm capacity and the like.
Description
Technical field
The invention belongs to Wave power generation device; Specifically relate to utilize and swim on the surface seawater; Between the floating drum of doing phugoid motion under the wave effect and shallow-layer seawater, the doing relatively reciprocating motion of vertical direction, drive the unidirectional rotation of propeller cavitation, the wave of gyrocompassing is adopted can device.
Background technique
Along with the development of World Economics, the progress and the people of society are growing to demands for energy; It is exhausted that traditional energy just progressively is tending towards, because of the greenhouse gases that use traditional energy to produce have also caused many disasters to the mankind; Therefore, each state is all in the research of carrying out hardy aspect the new energy.Except utilizing resources such as wind energy, solar energy, geothermal power,, be the clean energy resource that people dream of because ocean kinetic energy (like wave, ocean current, morning and evening tides etc.) has characteristics such as reserves are big, renewable, pollution-free; Particularly seawave power generation is surging forward, and becomes a kind of new energy that various countries competitively develop.
At the beginning of last century, French inventor just begins to seek to utilize the method for seawave power generation; Japan catches up from behind, and is developed into first navigation mark light of lighting with seawave power generation in the world in 1964 first, although electric energy has only 60 watts, has started new era of human use's wave electric energy.Afterwards, many in the world countries are all studying and the test seawave power generation like Britain, Japan, the U.S., Canada, Finland, Denmark, France, Israel etc., and are proposing thousands of kinds of electricity generating device design proposals in succession.
Along with going deep into of research and development, during seawave power generation begins move towards from miniaturization, maximize, people just were eager from the experimental stage entering commercial operation stage.But changeable, Protean ocean environment makes existing power generating equipment stability and the durability still can not be fully up to expectations; Secondly, sea wave generator station construction, maintenance and management cost are higher; And adopt energy efficiency not high also is an importance of the current seawave power generation development of restriction;
Because the unreasonable conversion equipment that causes of the stability of wave and electricity energy harvester design often is in off-design behaviour; Make the conversion efficiency of limited energy flux density very low; Cause cost of electricity-generating further to strengthen; Therefore improve the wave energy utilization ratio, the cost that reduces wave energy collection is the target and the difficult point of seawave power generation research all the time.
At present ripe relatively in the world main flow Wave power generation device, majority is built directly on the seashore or directly and is connected with the offshore seabed, and the direct electricity generating device that is not associated with seashore or seabed, coastal waters is very rare, and that can effectively generate electricity seeks with regard to difficulty especially; If a large amount of appearance of the Wave power generation device that is built directly on the seashore or directly is connected with the offshore seabed by the sea; Physical environment for bank will be a huge destruction; To the littoral ecological balance also will be a major challenge; We must not walk out the pollution of traditional energy as yet, come into the vicious circle of destroying natural, ecological and environment again.
Be built directly in Wave power generation device on the seashore, huge because of the engineering work load that the adaptation tidal fluctuations increases, cause the power station to build increasing considerably of investment; The Wave power generation device that directly is connected with the offshore seabed on the one hand, makes for adapting to tidal fluctuations that to adopt the ability device complicated; Further improved cost; On the other hand, the equipment of the relative movement between utilization and seabed is difficult to resist the impact of strong storm and unusual environmental conditions.
Because research direction is socialized between seashore and offshore seabed always.This just makes never what big breakthrough of seawave power generation research, also be wave can utilization still lag behind the basic reason of wind energy and tidal energy utilization.
Summary of the invention
The object of the invention provides a kind of wave of gyrocompassing and adopts the ability device, to remedy the deficiency of prior art.
Another object of the present invention provides a kind of that be convenient to make up, small-sized wave and adopts ability device (monomer), is unified into the power station of certain scale neatly with realization generated energy as required.
The present invention be utilize surface seawater do floating drum floating on the wave of phugoid motion and with it disjunctor, be inserted into the propeller cavitation in the shallow-layer seawater, and the wave that drives the gyrocompassing of the unidirectional rotation of propeller cavitation between the shallow-layer seawater of relatively placidity, doing relatively reciprocating motion of vertical direction adopt can device;
The present invention be a kind of directly with wave Vertical direction fluctuating transformation of energy become rotation function, the wave that adapts to the ocean complex environment is fully automatically adopted can device; The technical problem underlying that solves: the one; Naturally floating afloat adopting can be easy to topple by device under wind wave action; Gently then energy efficiency is adopted in influence, and is heavy then lose fully and adopt the ability effect; Utilization of the present invention lowers the center of gravity and realizes that nature is directed, utilizes huge flying wheel to realize forcing directed as gyro again, has reached and has kept vertically and the purpose of storm ability is resisted in raising.The 2nd,, floating drum drives in the upper and lower movement process of propeller cavitation, if adopt fixed blades, the sense of rotation of propeller cavitation is opposite, energy loss is huge in main story and inverse transform process; Therefore the present invention has become the blade of the flexible break-in of kitchen knife shape to the blade specialized designs of propeller cavitation, and blade is on the neutral surface under the state of rest, and no matter floating drum drives propeller cavitation and rises and still descend, and the running torque that produces on the blade is all towards knife back direction.The 3rd,, if between the resistance of power that produces on the floating drum and propeller cavitation, reach balance with single propeller cavitation, propeller size must be done very greatly; And rotating speed will be very slow; The no-load voltage ratio of gearbox must increase, and its energy loss will increase, and the conversion efficiency of propeller cavitation self also can reduce; The present invention is employed in the mode that same bull stick (axle) gone up two above propeller cavitations of series connection, has solved the problems referred to above; And make blade neutral surface and bull stick cross section angled, to reduce influencing each other between propeller cavitation.The 4th,, consider the running torque that produces on the propeller cavitation, when driving gearbox drives the flying wheel rotation, the floating drum that flying wheel and generator are installed is rotated, cause generator housing and motor shaft to rotate simultaneously and can not generate electricity; The present invention has set up two between the waist of floating drum, to the torsion bar of both sides stretching, extension with the floating drum hinge, be convenient to the torsion bar far-end and be fixed on the motionless relative to the earth object, to suppress the floating drum rotation, also helps adopting and can at sea fix by device.A floating drum just can be formed a generator unit or be referred to as the monomer generator set.
Consider that reducing cost of electricity-generating expansion power plant scale is very important; As long as will be a plurality of adopt can device the torsion bar far-ends join end to end and connect, two ends schedule seabed (or adopting other fixed modes) with the pool anchoring, just can unite the power station that forms a certain scale.
Consider the sensitivity that improves electricity generating device and adopt energy efficiency; Adopt the propeller blade of flexible break-in; At floating drum so that very low speed moves up and down, because of the blade twist angle less, though can not on propeller cavitation, obtain big torque; But can obtain higher rotational speed, this is the trace performance of the propeller cavitation that need obtain very much.
This blade is a kitchen knife shape, and hilt partly is referred to as torsional axis, and each blade radial is arranged on the oar seat; Be blade with the blade seat between be connected through torsion spring; Blade is on the neutral surface of propeller cavitation during original state, and this just makes that the resistance of propeller cavitation when the rotation of continuity inertia is minimum, when propeller cavitation moves vertically; Blade is when fitting seat twists relatively; Generation is towards the moment of torsion of knife back direction, and the blade twist angle increases along with the increase of propeller cavitation axial force, and the torque of generation also increases thereupon.
Concrete structure of the present invention is following:
The ratchet that the present invention includes floating drum, fastens as one with driving shaft; Be connected with gearbox through ratchet, sour jujube tongue; The output terminal of gearbox connects flying wheel; This flying wheel is connected with generator, it is characterized in that also comprising the bull stick that is arranged on floating drum bottom and be fixed on the plural propeller cavitation on the bull stick, and be installed on the floating drum two stop that floating drums rotate with flying wheel and with the torsion bar of floating drum hinge; Above-mentioned gearbox, flying wheel and generator setting are installed within the floating drum, and the bull stick upper end joins with the driving shaft lower end, and all propeller cavitation string dresses also are fastened on the middle and lower part on the bull stick; And the axis of said flying wheel and bull stick and propeller cavitation overlaps; The floating top layer that is in seawater across the sea of this floating drum, bull stick and propeller cavitation all are in the shallow-layer seawater; This floating drum is connected on the static relative to the earth object via the rope on the torsion bar.
The wave of described gyrocompassing is adopted the ability device, it is characterized in that the axis of said flying wheel and bull stick and propeller cavitation overlaps; Flying wheel is exactly the gyro on the practical significance;
Blade assembly on the described propeller cavitation is along slurry seat circumference uniform distribution; And propeller cavitation is to be made up of blade assembly, axle sleeve and slurry seat; In view of under many oars series connection; Reduce the influence to adjacent propeller cavitation of current that blade stirs, make between the cross section of blade neutral surface and bull stick 4 to form an angle, angle is within ± 30 degree.
Above-mentioned blade assembly is to be made up of blade, blade seat, torsion spring; And torsion spring set is on the torsional axis of blade, and has an end to be fixed as one with it, and the other end is fixed on and is enclosed within on the outer blade seat of torsion spring, and torsion spring is in regime of elastic deformation, and the relative blade seat of blade can reverse ± 60 degree at least.
The characteristics of technique scheme of the present invention are:
The present invention not with seashore and the direct correlation of seabed, coastal waters, less to the influence of seashore physical environment.
The present invention is across the sea floating, owing to adopted gyro to force the directed operating attitude of self that makes to keep stable; Simultaneously can adapt to abominable ocean environment fully, even in the hurricane in America, also can exempt from injury.
Propeller cavitation of the present invention produces moment of torsion under floating drum drives direction is identical, has eliminated the mechanical commutation loss, has improved the collecting efficiency of Wave energy.
Manufacture cost of the present invention only is equivalent to the expense with a cover diesel generating set of constant power.
The present invention and seabed or not direct correlation of seashore do not have huge foundation engineering, do not relate to field maintenance and maintenance, and regular maintenance can be arranged in the specific dock as shiprepair; Service cycle can be decided to be 2 years.
That the present invention has is simple in structure, manufacture cost is extremely low, adopt the energy efficiency height, characteristics such as adaptability is strong, reliability height, be a kind of have that the use value wave adopts can device.
Below in conjunction with accompanying drawing embodiment of the present invention is described in further detail.
Description of drawings
Fig. 1. perspective view of the present invention.
Fig. 2. general structure cut-away view of the present invention.
Fig. 3. the local enlarged diagram of Fig. 2 of the present invention.
Fig. 4. propeller arrangement schematic representation of the present invention.
< A>propeller cavitation plan view < B>perspective view wherein
Fig. 5. blade assembly structure schematic representation of the present invention.
< A>blade assembly perspective view < B>blade assembly plan view < C>blade assembly partial sectional view wherein
Among the figure: 1. floating drum 2. propeller cavitations 3. gearboxes 4. bull sticks 5. flying wheels 6. generators 7. driving shafts 8. ratchets 9. torsion bars 21. blade assemblies 22. axle sleeves 23. oar seats 211. blades 212. blade seats 213. torsion springs.
Embodiment
Like Fig. 1, Fig. 2, Fig. 3, the present invention includes floating drum 1, propeller cavitation 2, gearbox 3, bull stick 4, flying wheel 5, generator 6, driving shaft 7, ratchet 8, torsion bar 9 formations; The ratchet 8 that fastens as one with driving shaft 7; Be connected with gearbox 3 through ratchet 8, sour jujube tongue; The output terminal of gearbox 3 connects flying wheel 5; This flying wheel 5 is connected with generator 6, the bull stick 4 that it is characterized in that being arranged on floating drum 1 bottom be fixed on the plural propeller cavitation 2 on the bull stick 4, and be installed on the floating drum 1 two stop floating drums 1 with flying wheel 5 that rotate and with the torsion bar 9 of floating drum 1 hinge; Above-mentioned gearbox 3, flying wheel 5 and generator 6 are installed within the floating drum 1, be fixed on floating drum under on the mounting rail of half disjunctor, and bull stick 4 upper ends and driving shaft 7 lower ends join, all propeller cavitations 2 string dresses also are fastened on the middle and lower part of bull stick 4; And said flying wheel 5 overlaps with the axis of bull stick 4 and propeller cavitation 2; This floating drum 1 floating top layer that is in seawater across the sea, bull stick 4 all is in the shallow-layer seawater with propeller cavitation 2; This floating drum 1 is connected on the static relative to the earth object via the rope on the torsion bar 9.
The power that under the effect of wave buoyancy and self gravitation, produces is delivered on each propeller cavitation 2 through driving shaft 7, bull stick 4; Be transformed into rotating power through the blade of each propeller cavitation 2 and the interaction between seawater again---produce and rotate; Rotating power is delivered on the driving shaft 7 through bull stick 4 again; Rotating power on the driving shaft 7 passes to gearbox 3 through the ratchet 8 that fastens as one with it again, through 5 rotations of gearbox 3 speed-raising rear driving flying wheels; Flying wheel 5 is coaxial with generator 6, thereby drives generator 6 rotary electrifications.
As shown in Figure 4, propeller cavitation 2 of the present invention is to be made up of blade assembly 21, axle sleeve 22 and slurry seat 23 critical pieces, and the blade assembly 21 on the described propeller cavitation 2 is radial along slurry seat 23 circumference and is uniformly distributed with; In view of under a plurality of propeller cavitation series connection, for reducing the influence of current that blade stirs, adopt to form an angle designing between the cross section of the neutral surface of blade and bull stick 4 to adjacent propeller cavitation, angle ± 30 spend within.
Above-mentioned blade assembly 2 is as shown in Figure 5, is to be made up of blade 211, blade seat 212, torsion spring 213; And torsion spring 213 is enclosed within on the torsional axis of blade 211; And have an end to be fixed as one with it, and the other end is fixed on the blade seat 212 that is enclosed within outside the torsion spring 213, and promptly the two ends of torsion spring 213 are separately fixed on blade 211 and the blade seat 212; Torsion spring 213 distortion when reversing blade 211; Discharge back blade 211 and reset, the notion of Here it is foregoing gentle change blade, torsion spring 213 should have less size and enough rigidity also enough deformation angles must be arranged; Torsion spring 213 is in regime of elastic deformation, and blade 211 relative blade seats 212 can reverse ± 60 degree at least.
Diameter like Fig. 1, a floating drum 1 shown in Figure 2 is 1.5 meters, and two propeller cavitations 2 are installed on the bull stick 4, and bull stick 4 length are 6 meters, and distance is that the wave of 2.5 meters gyrocompassing adopts can device between oar; Adopt when average unrestrained height is 1 meter power to be 5KW.Usually adopt and can power be directly proportional with unrestrained high square; Generally speaking with 1 meter wave the generating capacity when high as adopt can device nominal power.
The important technological parameters of present embodiment is:
1. power: 5KW
2. gearbox no-load voltage ratio: 1: 64 (2 grades)
3. propeller cavitation external diameter: 1200mm
4. single-blade number of blade: 8
5. single-blade leaf area: 1120cm
2
6. operating ambient temperature :-5 ℃---+50 ℃
7. bull stick cross section and blade neutral surface angle: 0 °
8. flying wheel diameter 1200mm
9. generator number of poles 4 utmost points
Floating drum 1 profile bottom is inverted cone-shaped, top is cylindric, top bump; Process with stainless steel material the bottom, and top is processed by glass fibre reinforced plastics; Column drum diameter is 1.5 meters, high 1.2 meters, adopts rubber seal with inverted cone part connecting part, fastens as one with three road cable wires.The inverted cone part is integrally welded with the scaffold of flying wheel 5 and generator 6, and driving shaft 7 is stretched out with bull stick 4 by the inverted cone top tip part and is connected.As shown in Figure 2
The length of bull stick 4 is got 6 meters, and it is 1.2 meters propeller cavitations 2 that two diameters are housed on the bull stick 4, and distance is 2.5 meters between oar; Because the propeller cavitation limited amount, the oar spacing is bigger, and the end face of blade 211 neutral surfaces and bull stick 4 there is no need to be provided with angle.
Gearbox adopts the two-stage gear up, and no-load voltage ratio is 64 times.Generator adopts 5KW, 4 pole magneto generators.Power line is drawn by the Lower Half of floating drum 1, is pulled to the test ship and is connected with electric heating apparatus.
Stretch the torsion bar 9 with floating drum 1 hinge to both sides, two ends respectively are provided with a keg buoy and guarantee floating drum 1 freedom that moves up and down, and connect the pool anchor with the rope made of hemp and sink to the seabed, prevent floating drum 1 rotation and float from mounting points.
Diameter like Fig. 1, a floating drum 1 shown in Figure 2 is 2 meters, and 6 propeller cavitations 2 are installed on the bull stick 4, and bull stick 4 length are 12 meters, and distance is that the wave of 1.5 meters gyrocompassing adopts can device between oar; Adopt when average unrestrained height is 1 meter power to be 10KW.
The important technological parameters of present embodiment is:
1 power: 10KW
2 gearbox no-load voltage ratios: 1: 64 (2 grades)
3 propeller cavitation external diameter: 1000mm
4 single-blade number of blade: 8
5 single-blade leaf area: 1120cm
2
6 operating ambient temperatures :-5 ℃---+50 ℃
7 bull stick cross sections and blade neutral surface angle: 15 °
8 flying wheel diameter 1600mm
9 generator numbers of poles, 4 utmost points
Above-mentioned floating drum 1 profile bottom is inverted cone-shaped, top is cylindric, top bump; Process with stainless steel material the bottom, and top is processed by glass fibre reinforced plastics; Column drum diameter is 2 meters, high 1.2 meters, adopts rubber seal with inverted cone part connecting part, fastens as one with three road cable wires.The inverted cone part is integrally welded with the scaffold of flying wheel 5 and generator 6, and driving shaft 7 is stretched out with bull stick 4 by the inverted cone top tip part and is connected.As shown in Figure 2
The length of bull stick 4 is got 12 meters, and it is 1 meter propeller cavitation 2 that two diameters are housed on the bull stick 4, and distance is 1.5 meters between oar; Because propeller cavitation quantity is bigger, the oar spacing is less, the angle between the end face of blade 211 neutral surfaces and bull stick 4 be 20 ° with expansion disturbance waters.
Gearbox adopts the two-stage gear up, and no-load voltage ratio is 64 times.Generator adopts 20KW, 4 pole magneto generators.Power line is drawn by the Lower Half of floating drum 1, is pulled to the test ship and is connected with electric heating apparatus.
Be convenient and implement that the two ends of stretching with the torsion bar 9 of floating drum 1 hinge to both sides respectively increase a keg buoy to guarantee that floating drum 1 freely moves up and down; Connect with rope again and sink to seabed pool anchor, prevent that floating drum 1 from rotating and floating from mounting points.
Claims (3)
1. the wave of a gyrocompassing is adopted the ability device; The ratchet (8) that comprises floating drum (1), fastens as one with driving shaft (7); Be connected with gearbox (3) through ratchet (8), sour jujube tongue; The output terminal of gearbox (3) connects flying wheel (5); This flying wheel (5) is connected with generator (6), it is characterized in that also comprising the bull stick (4) that is arranged on floating drum (1) bottom and be fixed on the plural propeller cavitation (2) on the bull stick (4), and be installed on the floating drum (1) two stop floating drums (1) with flying wheel (5) rotation and with the torsion bar (9) of floating drum (1) hinge; Above-mentioned gearbox (3), flying wheel (5) and generator (6) are arranged within the floating drum (1), and bull stick (4) upper end joins with driving shaft (7) lower end, and all propeller cavitations (2) string dress also is fastened on the middle and lower part on the bull stick (4); And said flying wheel (5) overlaps with the axis of bull stick (4) and propeller cavitation (2); The floating top layer that is in seawater across the sea of this floating drum (1), bull stick (4) and propeller cavitation (2) all are in the shallow-layer seawater; This floating drum (1) is connected on the static relative to the earth object via the rope on the torsion bar (9).
2. the wave of gyrocompassing as claimed in claim 1 is adopted the ability device; It is characterized in that blade assembly (21) edge slurry seat (23) circumference uniform distribution on the described propeller cavitation (2); And propeller cavitation (2) is to be made up of blade assembly (21), axle sleeve (22) and slurry seat (23); And make between the cross section of blade neutral surface and bull stick (4) to form an angle, angle is within ± 30 degree.
3. the wave of gyrocompassing as claimed in claim 2 is adopted the ability device, it is characterized in that above-mentioned blade assembly (21) is to be made up of blade (211), blade seat (212), torsion spring (213); And torsion spring (213) is enclosed within on the torsional axis of blade (211); And there is an end to be fixed as one with it; The other end is fixed on and is enclosed within on the outer blade seat (212) of torsion spring (213), and torsion spring (213) is in regime of elastic deformation, and blade (211) blade seat (212) relatively can reverse ± 60 degree at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103101284A CN102338020A (en) | 2011-10-13 | 2011-10-13 | Gyro-orientated sea wave energy collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103101284A CN102338020A (en) | 2011-10-13 | 2011-10-13 | Gyro-orientated sea wave energy collecting device |
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| CN102338020A true CN102338020A (en) | 2012-02-01 |
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| CN2011103101284A Pending CN102338020A (en) | 2011-10-13 | 2011-10-13 | Gyro-orientated sea wave energy collecting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185029A (en) * | 2018-09-17 | 2019-01-11 | 中国海洋大学 | A kind of power generator using wave energy |
| CN110566397A (en) * | 2019-09-12 | 2019-12-13 | 大连理工大学 | tidal current energy power generation system based on coaxial contra-rotating propeller technology |
| SE1900121A1 (en) * | 2019-07-04 | 2021-01-05 | Loqvist Kaj Ragnar | Units for utilizing kinetic energy in waves |
| CN113982809A (en) * | 2021-11-03 | 2022-01-28 | 江苏科技大学 | Water turbine rolling/pitching simulation experiment device and control method thereof |
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| US889153A (en) * | 1907-07-05 | 1908-05-26 | Charles G Roehr | Wave and current motor. |
| US4447740A (en) * | 1979-11-08 | 1984-05-08 | Heck Louis J | Wave responsive generator |
| US4462211A (en) * | 1983-07-08 | 1984-07-31 | Linderfelt Hal R | Apparatus for harvesting wave energy |
| DE3508780A1 (en) * | 1985-03-12 | 1986-09-18 | Wolf Dipl.-Ing. Klemm (FH), 8023 Pullach | Device for obtaining useful energy by utilising the vertical lift of water waves |
| US4631921A (en) * | 1985-08-05 | 1986-12-30 | Linderfelt Hal R | Float for wave energy harvesting device |
| DE19932004A1 (en) * | 1999-07-02 | 2001-01-18 | Karl Stern | Wave-driven power producing machine, having connecting rod on pontoon with energy creating unit at lower end |
| GB2390876A (en) * | 2002-05-23 | 2004-01-21 | Keith White | Wave energy electricity generator |
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2011
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US889153A (en) * | 1907-07-05 | 1908-05-26 | Charles G Roehr | Wave and current motor. |
| US4447740A (en) * | 1979-11-08 | 1984-05-08 | Heck Louis J | Wave responsive generator |
| US4462211A (en) * | 1983-07-08 | 1984-07-31 | Linderfelt Hal R | Apparatus for harvesting wave energy |
| DE3508780A1 (en) * | 1985-03-12 | 1986-09-18 | Wolf Dipl.-Ing. Klemm (FH), 8023 Pullach | Device for obtaining useful energy by utilising the vertical lift of water waves |
| US4631921A (en) * | 1985-08-05 | 1986-12-30 | Linderfelt Hal R | Float for wave energy harvesting device |
| DE19932004A1 (en) * | 1999-07-02 | 2001-01-18 | Karl Stern | Wave-driven power producing machine, having connecting rod on pontoon with energy creating unit at lower end |
| GB2390876A (en) * | 2002-05-23 | 2004-01-21 | Keith White | Wave energy electricity generator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185029A (en) * | 2018-09-17 | 2019-01-11 | 中国海洋大学 | A kind of power generator using wave energy |
| SE1900121A1 (en) * | 2019-07-04 | 2021-01-05 | Loqvist Kaj Ragnar | Units for utilizing kinetic energy in waves |
| CN110566397A (en) * | 2019-09-12 | 2019-12-13 | 大连理工大学 | tidal current energy power generation system based on coaxial contra-rotating propeller technology |
| CN113982809A (en) * | 2021-11-03 | 2022-01-28 | 江苏科技大学 | Water turbine rolling/pitching simulation experiment device and control method thereof |
| CN113982809B (en) * | 2021-11-03 | 2024-02-27 | 江苏科技大学 | Hydraulic turbine roll/pitch simulation experiment device and control method thereof |
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Application publication date: 20120201 |