CN113815827B - Wind power boosting rotor structure - Google Patents
Wind power boosting rotor structure Download PDFInfo
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- CN113815827B CN113815827B CN202111125380.8A CN202111125380A CN113815827B CN 113815827 B CN113815827 B CN 113815827B CN 202111125380 A CN202111125380 A CN 202111125380A CN 113815827 B CN113815827 B CN 113815827B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/02—Marine propulsion provided directly by wind power using Magnus effect
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
- Y02T70/5236—Renewable or hybrid-electric solutions
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power boosting rotor structure which comprises a base, wherein an inner cylinder is fixedly arranged on the base, a plurality of basic rotary drums are axially stacked and arranged on the base positioned on the outer side of the inner cylinder, and the basic rotary drums are concentrically sleeved outside the inner cylinder; the partition plates are arranged on the circumferential outer part of the inner cylinder between the adjacent basic drums, and the single basic drums respectively rotate relative to the contacted partition plates independently; the same partition plate is arranged at the top of the uppermost basic rotary drum, and a top rotary drum is rotatably arranged above the partition plate; the inner cylinder is accommodated in the basic drum and the top drum; the top end of the top rotating drum is provided with an end plate, and the bottom surface of the end plate is in transition connection with the drum body of the top rotating drum through an arc; the rotor is constructed in a modular mode, an end plate with a large diameter can be configured, the whole height can be flexibly adjusted, the adaptability is good when wind speeds at different heights change, the lift and resistance generated by the rotor are effectively increased, the rotation torque of the rotor is reduced, and the pneumatic efficiency of the rotation of the rotor is greatly improved.
Description
Technical Field
The invention relates to the technical field of ship equipment, in particular to a wind power boosting rotor structure.
Background
Innovative energy-saving technologies such as wind power boosting gradually get wide attention of shipowners and ship designers, and particularly, wind power boosting rotors are developed rapidly.
The principle of the wind power-assisted rotor is the Magnus effect (Magnus effect), that is, the rotating cylinder is acted by a lateral force perpendicular to the moving direction under the action of the incoming flow. The ship with the wind power boosting rotor can generate thrust in the advancing direction by adjusting the rotating direction of the rotor under the crosswind or inclined wind state, so that the boosting effect is achieved. Compared with wind power boosting technologies such as kites and sails, the wind power boosting rotor has strong adaptability to wind speed and wind direction, is relatively small in size and wind area, is safer and is more favorable for ship arrangement. In addition, wind power boosting rotors and hydrodynamic power energy-saving and emission-reducing means such as fuel substitution and the like can be used in a superposition mode, energy is saved, emission is reduced, and EEDI (external energy supply) of ships is reduced.
In the prior art, the wind power boosting rotor has a complex structure, high processing difficulty and high manufacturing cost, and is very inconvenient to transport and assemble and poor in scheduling flexibility due to a huge appearance structure.
Disclosure of Invention
The applicant provides a wind power boosting rotor structure with a reasonable structure aiming at the defects in the prior art, so that the overall height is flexibly adjusted and a large-diameter end plate is flexibly configured through a modular construction mode, the length-diameter ratio of a rotor is flexibly adjusted, and the scheduling and using flexibility of a boosting rotor is greatly improved.
The technical scheme adopted by the invention is as follows:
a wind power boosting rotor structure comprises a base, wherein an inner cylinder is fixedly arranged on the base, a plurality of basic rotary drums are axially stacked and arranged on the base positioned on the outer side of the inner cylinder, and the basic rotary drums are concentrically sleeved outside the inner cylinder; the partition plates are arranged on the circumferential outer part of the inner cylinder between the adjacent basic drums, and the single basic drums respectively rotate relative to the contacted partition plates independently; the same partition plate is arranged at the top of the uppermost basic rotary drum, and a top rotary drum is rotatably arranged above the partition plate; the inner drum is accommodated inside the basic drum and the top drum; the top rotary drum top is provided with the end plate, links up through the circular arc transition between end plate bottom surface and the top rotary drum barrel.
As a further improvement of the above technical solution:
the top end of the top rotary drum is provided with a truss structure, and the top of the truss structure is fixedly connected with the bottom surface of the end plate; the side face of the truss structure is provided with an inwards concave arc-shaped structure along the circumferential direction, and skin covering is carried out on the side face of the truss structure, so that a transitional arc-shaped structure is formed between the end plate and the top rotary drum.
The diameter of the end plate is 2 times larger than that of the top drum body.
The diameter of the barrel part of the top rotating barrel is consistent with that of the basic rotating barrel, and the height of the barrel of the top rotating barrel is smaller than that of the basic rotating barrel.
The top drum and the single basic drum are driven to rotate by independent rotation driving mechanisms respectively, and the rotation driving mechanisms are arranged on the lower portion of the inner side face of the top drum or the basic drum.
The structure of the rotation driving mechanism is as follows: including installing the motor on baffle or base, the motor has evenly arranged a plurality ofly along the circumferencial direction, and the friction pulley is all installed to single motor output, and friction pulley axial and rotor axial direction are parallel, and the friction pulley outer wall face pastes tightly with top rotary drum or basic rotary drum internal face.
Both ends head about single basic rotary drum and top rotary drum bottom all are provided with the guiding mechanism who supplies its rotation direction, and guiding mechanism is located the circumference edge of corresponding baffle or is the base top surface.
The structure of the guide mechanism at the edge of the partition board is as follows: the guide ring is concentrically arranged and fixedly connected with the circumferential edge of the partition plate, the section of the guide ring is of an H-shaped structure, the middle part of the top surface and the middle part of the bottom surface of the guide ring respectively form concave guide grooves, and the end parts of the basic rotary drum and the top rotary drum extend into the corresponding guide grooves; the opposite side walls of the single guide groove are also embedded with balls; in the guide mechanism on the top surface of the base, the section of the guide ring is of a U-shaped structure with an upward opening.
The outer wall surface of a single basic drum is provided with axially through grooves, and the grooves are uniformly distributed along the circumferential direction of the outer wall surface of the basic drum.
The cross section of the groove is of an isosceles trapezoid structure, and the opening end of the groove is a shorter side of the isosceles trapezoid structure.
The invention has the following beneficial effects:
the structure of the invention is compact and reasonable, the invention is skillfully optimized, and the whole height can be flexibly adjusted by constructing the rotor in a modularized way, and the length-diameter ratio of the rotor can be flexibly adjusted by configuring an end plate with a large diameter, so that the dispatching and using flexibility of the boosting rotor is greatly improved; the wind speed generator has good adaptability when meeting the change of wind speed at different heights, effectively increases the lift and resistance generated by the rotor, reduces the rotation torque of the rotor, and greatly improves the pneumatic efficiency of the rotation of the rotor.
The invention also comprises the following advantages:
the end plate and the top rotating cylinder are connected in an arc transition mode through the truss structure, the condition of energy consumption of angular vortexes at the joint position of the end plate and the rotating cylinder is effectively optimized, the generation of vortexes at the joint position of the end plate and the cylinder is restrained, the aerodynamic force of the wind power boosting rotor is more stable, and the energy consumed by the vortexes can be reduced; on the other hand, the arrangement of the large-diameter end plate can effectively increase the lift force and the resistance of the rotor, and the larger the diameter is, the more obvious the resistance is, thereby providing reliable auxiliary power for pushing the ship to advance;
Through the modular construction, the processing difficulty and cost increase caused by the integral construction of the rotor are greatly avoided, and the use flexibility of the rotor is greatly improved due to the modular construction.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a sectional view taken along the direction B-B in fig. 2.
Fig. 4 is a partially enlarged view of a portion C in fig. 2.
FIG. 5 is a schematic view showing the structure of the basic drum of the present invention.
Wherein: 1. a base; 2. a base drum; 3. an inner barrel; 4. a rotation driving mechanism; 5. a top drum; 6. a partition plate; 7. a guide mechanism; 8. a truss structure; 9. an end plate;
21. a trench; 41. a motor; 42. a friction wheel; 61. reinforcing ribs; 71. a guide ring; 72. and a ball.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and fig. 2, the wind power-assisted rotor structure of the present embodiment includes a base 1, an inner cylinder 3 is fixedly installed on the base 1, a plurality of basic drums 2 are axially stacked and installed on the base 1 located outside the inner cylinder 3, and the basic drums 2 are concentrically sleeved outside the inner cylinder 3; the partition plates 6 are arranged on the circumferential outer part of the inner cylinder 3 between the adjacent basic drums 2, and the single basic drums 2 respectively rotate relative to the contact partition plates 6 independently; the top of the uppermost basic drum 2 is provided with the same partition plate 6, and a top drum 5 is rotatably arranged above the partition plate 6; the inner drum 3 is housed inside the basic drum 2 and the top drum 5; the top end of the top rotating drum 5 is provided with an end plate 9, and the bottom surface of the end plate 9 is in transition connection with the drum body of the top rotating drum 5 through an arc; the basic drum 2 and the top drum 5 together form the drum of the booster rotor.
Through a modularized construction mode of the rotor, the overall height can be flexibly adjusted, the end plate 9 with a large diameter can be configured, and the length-diameter ratio of the rotor can be flexibly adjusted; the wind speed generator has good adaptability when encountering the change of wind speed at different heights, effectively increases the lift and resistance generated by the rotor, reduces the rotation torque of the rotor, and greatly improves the pneumatic efficiency of the rotation of the rotor.
The top end of the top rotating drum 5 is provided with a truss structure 8, the top of the truss structure 8 is fixedly connected with the bottom surface of the end plate 9, and the truss structure 8 provides enough stable support for the end plate 9; the side surface of the truss structure 8 is provided with an inwards concave arc structure along the circumferential direction, and skin covering is performed on the side surface of the truss structure 8, so that a transitional arc structure is formed between the end plate 9 and the top rotary drum 5; the connection of circular arc transition is realized through truss structure 8 between end plate 9 and the top rotary drum 5, has effectively optimized the power consumption's of end plate 9 and rotary drum handing-over position department angle vortex circumstances, not only restraines the formation of end plate 9 and barrel handing-over department vortex, makes the aerodynamic force of wind-force boosting rotor more stable, also can reduce the energy that the vortex consumed.
The radius of the circular arc structure between the end plate 9 and the top drum 5 is less than 0.75 times the diameter of the drum.
The diameter of the end plate 9 is 2 times larger than that of the cylinder body of the top rotary drum 5; the arrangement of the large-diameter end plate 9 can effectively increase the lift force and the resistance of the rotor, and the larger the diameter is, the more obvious the resistance is, so that reliable auxiliary power is provided for pushing the ship to advance.
The diameter of the cylinder part of the top rotating cylinder 5 is consistent with that of the cylinder part of the basic rotating cylinder 2, and the height of the cylinder part of the top rotating cylinder 5 is smaller than that of the cylinder part of the basic rotating cylinder 2.
In this embodiment, the height of the base drum 2 is not more than 2.5 times the diameter of the cylinder, and the height of the top drum 5 is not more than 1.5 times the diameter of the cylinder.
Through modular construction and construction, the overall height of the rotary drum can be flexibly adjusted as required, and the overall length-diameter ratio of the rotary drum is adjusted; the rotor of a wind-assisted rotor is usually composed of one top rotor 5 and three to four basic rotors 2.
The top revolving drum 5 and the single basic revolving drum 2 are respectively driven to rotate by the independent rotation driving mechanism 4, so that the difference of wind speeds at different heights is adapted, and different revolving drum modules can work at different rotating speeds; the rotary drive 4 is arranged below the inner side of the top drum 5 or the basic drum 2.
As shown in fig. 3, the structure of the rotation driving mechanism 4 is: the electric motor comprises a plurality of motors 41 arranged on a partition plate 6 or a base 1, wherein the motors 41 are uniformly arranged along the circumferential direction, friction wheels 42 are arranged at the output ends of the single motors 41, the axial direction of each friction wheel 42 is parallel to the axial direction of a rotor, and the outer wall surfaces of the friction wheels 42 are tightly attached to the inner wall surfaces of a top rotating drum 5 or a basic rotating drum 2; the motor 41 drives the friction wheel 42 to rotate, and the friction wheel 42 drives the corresponding drum to rotate through friction.
The upper end and the lower end of the single basic rotary drum 2 and the bottom end of the top rotary drum 5 are provided with guide mechanisms 7 for guiding the rotation of the single basic rotary drum, and the guide mechanisms 7 are positioned at the circumferential edge of the corresponding partition plate 6 or the top surface of the base 1.
In this embodiment, the top surface of the partition board 6 is further provided with a ring-shaped rib 61 to enhance the rigidity of the partition board 6. The partition plate 6 can be an annular structure which is sleeved on the outer wall surface of the inner cylinder 3 and is fixedly installed, namely, the inner cylinder 3 is connected with and installed with an external rotary drum through the arrangement of the partition plate 6 on the outer wall surface; the partition plate 6 provides a platform and support for the installation of the rotation driving mechanism 4 and the guide mechanism 7.
As shown in fig. 4, the structure of the guide mechanism 7 at the edge of the partition 6 is: the device comprises a guide ring 71 which is concentrically arranged and fixedly connected with the circumferential edge of a partition plate 6, the section of the guide ring 71 is of an H-shaped structure, the middle part of the top surface and the middle part of the bottom surface of the guide ring 71 respectively form an inwards concave guide groove, and the end parts of a basic rotary drum 2 and a top rotary drum 5 extend into the corresponding guide grooves; the opposite side walls of the single guide groove are also embedded with balls 72, and the friction resistance of the rotating drum is reduced by the arrangement of the balls 72; in the guide mechanism 7 located on the top surface of the base 1, the cross section of the guide ring 71 is a U-shaped structure with an upward opening.
In this embodiment, the bottom surface of the guide groove can also be provided with a ball 72; for the upwardly opening guide channel, the bottom surface thereof supports the corresponding drum by means of the balls 72.
As shown in fig. 5, the outer wall surface of each basic drum 2 is provided with a plurality of axially through grooves 21, and the plurality of grooves 21 are uniformly arranged along the circumferential direction of the outer wall surface of the basic drum 2.
The cross section of the groove 21 is an isosceles trapezoid structure, and the opening end of the groove 21 is a shorter side of the isosceles trapezoid structure.
In the embodiment, 9-20 groups of longitudinally through grooves 21 are uniformly arranged on a single basic drum 2 along the circumferential direction, the depth of the single groove 21 is about 15cm, and the opening width of the groove 21 is about 12 cm; the surface area of the rotary drum is reduced through the arrangement of the grooves 21, so that the contact area of the rotary drum and air is reduced, the friction force required by the rotation of the rotary drum is reduced, and the torque required by the rotation of the rotary drum is reduced; on the other hand, when the operating temperature rose, the rotary drum can take place the inflation, and the opening of slot 21 will correspondingly reduce, and when the temperature dropped, the rotary drum appeared contracting, and the opening of slot 21 will corresponding increase, that is to say, surface slot 21 has played the effect of adjusting to a certain extent and absorbing rotary drum temperature deformation, can prevent the rotary drum and warp the rotational vibration that causes, avoids frequent rotary drum dynamic balance to adjust the operation.
In this embodiment, through the modular structure, the processing degree of difficulty and the cost-push that the whole structure of rotor brought have greatly been avoided to the flexibility is used to the rotor has greatly been promoted in the modular structure.
In the embodiment, an upper layer and a lower layer of basic rotary drums 2 are sleeved outside an inner drum 3 on a base 1, the top of the uppermost basic rotary drum 2 is supported and connected with a top rotary drum 5 through a partition plate 6, and the top surface of the top rotary drum 5 is provided with an end plate 9 with a large diameter through a truss structure 8; a single basic rotating drum 2 or a top rotating drum 5 is driven to rotate by respective rotation driving mechanisms 4, the axial length size of each layer of rotating drum is set to be different sizes according to actual use requirements, and the change of wind speeds at different heights is met.
The boosting rotor structure is ingeniously simplified and optimized through modular construction, the use flexibility of the boosting rotor structure is greatly improved, and the rotary pneumatic efficiency of the boosting rotor structure is improved.
The above description is intended to be illustrative, and not restrictive, the scope of the invention being indicated by the claims, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A wind-powered booster rotor structure comprising a base (1), characterized in that: the base (1) is fixedly provided with an inner barrel (3), a plurality of basic rotary drums (2) are axially stacked on the base (1) positioned outside the inner barrel (3), and the basic rotary drums (2) are concentrically sleeved outside the inner barrel (3); the partition plates (6) are arranged on the circumferential outer part of the inner cylinder (3) positioned between the adjacent basic drums (2), and the single basic drums (2) respectively rotate independently relative to the contact partition plates (6); the same partition plate (6) is arranged at the top of the uppermost basic rotary drum (2), and a top rotary drum (5) is rotatably arranged above the partition plate (6); the inner drum (3) is housed inside the basic drum (2) and the top drum (5); the top end of the top rotating drum (5) is provided with an end plate (9), and the bottom surface of the end plate (9) is in transition connection with the drum body of the top rotating drum (5) through an arc;
The diameter of the end plate (9) is larger than that of the top rotating drum (5); the top end of the top rotary drum (5) is provided with a truss structure (8), and the top of the truss structure (8) is fixedly connected with the bottom surface of the end plate (9); the side face of the truss structure (8) is arranged to be an inwards concave arc-shaped structure along the circumferential direction, and skin covering is carried out on the side face of the truss structure (8), so that a transitional arc structure is formed between the end plate (9) and the top rotary drum (5).
2. A wind assisted rotor structure according to claim 1, in which: the diameter of the end plate (9) is 2 times larger than that of the top rotary drum (5).
3. A wind assisted rotor structure according to claim 1, in which: the diameter of the cylinder part of the top rotating cylinder (5) is consistent with that of the basic rotating cylinder (2), and the height of the cylinder of the top rotating cylinder (5) is smaller than that of the basic rotating cylinder (2).
4. A wind assisted rotor structure according to claim 1, in which: the top rotary drum (5) and the single basic rotary drum (2) are driven to rotate by independent rotation driving mechanisms (4), and the rotation driving mechanisms (4) are arranged at the lower part of the inner side surface of the top rotary drum (5) or the basic rotary drum (2).
5. A wind powered rotor structure as claimed in claim 4, characterised in that: the structure of the rotation driving mechanism (4) is as follows: including installing motor (41) on baffle (6) or base (1), motor (41) have evenly arranged a plurality ofly along the circumferencial direction, and friction pulley (42) are all installed to single motor (41) output, and friction pulley (42) axial is parallel with the rotor axial, and friction pulley (42) outer wall face pastes tightly with top rotary drum (5) or basic rotary drum (2) internal face.
6. A wind-powered booster rotor structure as claimed in claim 1, in which: two ends about single basic rotary drum (2) and top rotary drum (5) bottom all are provided with and supply its rotation guide's guiding mechanism (7), and guiding mechanism (7) are located the circumference edge that corresponds baffle (6) or base (1) top surface.
7. A wind-powered booster rotor structure as claimed in claim 6, wherein: the structure of the guide mechanism (7) positioned at the edge of the clapboard (6) is as follows: the rotary drum type dust remover comprises a guide ring (71) which is concentrically arranged and fixedly connected with the circumferential edge of a partition plate (6), the section of the guide ring (71) is of an H-shaped structure, the middle part of the top surface and the middle part of the bottom surface of the guide ring (71) respectively form an inwards concave guide groove, and the end parts of a basic rotary drum (2) and a top rotary drum (5) extend into the corresponding guide grooves; balls (72) are embedded on the opposite side walls of the single guide groove;
In the guide mechanism (7) positioned on the top surface of the base (1), the section of a guide ring (71) is of a U-shaped structure with an upward opening.
8. A wind assisted rotor structure according to claim 1, in which: the outer wall surface of the single basic drum (2) is provided with axially through grooves (21), and the grooves (21) are uniformly formed in the circumferential direction of the outer wall surface of the basic drum (2).
9. A wind assisted rotor structure according to claim 8, in which: the cross section of the groove (21) is of an isosceles trapezoid structure, and the opening end of the groove (21) is a shorter side of the isosceles trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125380.8A CN113815827B (en) | 2021-09-23 | 2021-09-23 | Wind power boosting rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111125380.8A CN113815827B (en) | 2021-09-23 | 2021-09-23 | Wind power boosting rotor structure |
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| Publication Number | Publication Date |
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| CN113815827A CN113815827A (en) | 2021-12-21 |
| CN113815827B true CN113815827B (en) | 2022-06-28 |
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| CN202111125380.8A Active CN113815827B (en) | 2021-09-23 | 2021-09-23 | Wind power boosting rotor structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228965B (en) * | 2022-01-14 | 2023-03-21 | 中船重工（上海）节能技术发展有限公司 | Control device for restraining wind power boosting rotor from shaking and wind power boosting system |
| CN114852310A (en) * | 2022-07-05 | 2022-08-05 | 南通格霖海事工程有限公司 | Rotary air duct for ship |
| EP4331970A1 (en) * | 2022-08-30 | 2024-03-06 | Stichting Bijlboegfonds | A vessel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2332891A (en) * | 1997-11-21 | 1999-07-07 | Kenneth Arthur Austin | Aerodynamic lift producing apparatus |
| GB2477078A (en) * | 2009-08-18 | 2011-07-27 | Greenwave Internat Ltd | Magnus Effect Rotor Apparatus |
| CN111003130A (en) * | 2019-12-17 | 2020-04-14 | 中船重工（上海）节能技术发展有限公司 | Wind power boosting rotor outer cylinder and manufacturing method thereof |
| CN111846175A (en) * | 2020-08-18 | 2020-10-30 | 中船重工（上海）节能技术发展有限公司 | Multi-section wind power boosting rotor device and ship |
| CN212313845U (en) * | 2020-04-16 | 2021-01-08 | 叠风新能源科技(天津)有限公司 | Rotor sail device utilizing Magnus effect and ship with rotor sail device |
-
2021
- 2021-09-23 CN CN202111125380.8A patent/CN113815827B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2332891A (en) * | 1997-11-21 | 1999-07-07 | Kenneth Arthur Austin | Aerodynamic lift producing apparatus |
| GB2477078A (en) * | 2009-08-18 | 2011-07-27 | Greenwave Internat Ltd | Magnus Effect Rotor Apparatus |
| CN111003130A (en) * | 2019-12-17 | 2020-04-14 | 中船重工（上海）节能技术发展有限公司 | Wind power boosting rotor outer cylinder and manufacturing method thereof |
| CN212313845U (en) * | 2020-04-16 | 2021-01-08 | 叠风新能源科技(天津)有限公司 | Rotor sail device utilizing Magnus effect and ship with rotor sail device |
| CN111846175A (en) * | 2020-08-18 | 2020-10-30 | 中船重工（上海）节能技术发展有限公司 | Multi-section wind power boosting rotor device and ship |
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| CN113815827A (en) | 2021-12-21 |
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