CN107878720B - A kind of retractable symmetrical airfoil wind sail device - Google Patents
A kind of retractable symmetrical airfoil wind sail device Download PDFInfo
- Publication number
- CN107878720B CN107878720B CN201711095934.8A CN201711095934A CN107878720B CN 107878720 B CN107878720 B CN 107878720B CN 201711095934 A CN201711095934 A CN 201711095934A CN 107878720 B CN107878720 B CN 107878720B
- Authority
- CN
- China
- Prior art keywords
- sail
- face
- telescopic rod
- hydraulic motor
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B15/0083—Masts for sailing ships or boats
-
- 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
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
- B63H9/061—Rigid sails; Aerofoil sails
-
- 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
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/08—Connections of sails to masts, spars, or the like
-
- 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
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/08—Connections of sails to masts, spars, or the like
- B63H9/10—Running rigging, e.g. reefing equipment
- B63H9/1021—Reefing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
- B63B2015/0016—Masts characterized by mast configuration or construction
- B63B2015/0041—Telescoping masts
-
- 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
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/08—Connections of sails to masts, spars, or the like
- B63H9/10—Running rigging, e.g. reefing equipment
- B63H9/1021—Reefing
- B63H2009/105—Reefing using drives for actuating reefing mechanism, e.g. roll reefing drives
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
Abstract
The invention proposes a kind of retractable symmetrical airfoil wind sail devices, including symmetrical airfoil sail, folding and unfolding sail device, hydraulic control device, self-adjusting angle of attack device (16), wind speed wind direction sensor (5), hydraulic motor control oil pipe (10), mast (11) and pedestal (19)；The symmetrical airfoil sail is connected with the folding and unfolding sail device, and the folding and unfolding sail device is connect with hydraulic control device, and the hydraulic control device is connect with self-adjusting angle of attack device (16).The present invention makes ship utilize symmetrical airfoil sail-assisted propulsion, while the wind direction information adjust automatically sail angle of attack that self-adjusting angle of attack device is acquired by wind speed wind direction sensor under sail, had not only improved the utilization rate of wind energy but also had improved the flexibility of the adjustment sail angle of attack；Folding and unfolding sailage is set to ship's navigation and provides safety guarantee.
Description
Technical field
The present invention relates to wind-force navaid field more particularly to a kind of retractable symmetrical airfoil wind sail devices.
Background technique
Wind energy is a kind of clean energy resource being widely present in nature, is used as ship always between thousands of years before heat engine appearance
The thrust power source of oceangoing ship.Due to the problems such as natural wind stability is poor, and energy density is limited, so that using steam engine as power
After ship comes out, the heat engines such as diesel engine main thrust power instead of wind-force as modern ships rapidly.However, on the one hand
As shortage, the people increasingly of world energy sources must quickly find new fungible energy source；On the other hand, the public is to environmentally friendly low-carbon
Requirement cry today for increasingly increasing so that sight is gradually turned to clean energy resource by people.Wind energy is as skill in clean energy resource
The more mature one kind of art, is just applied to shipping industry very early.In recent years, inland river, coastal waters, the foreign-going ship overwhelming majority use
The augmented thrust that sail generates reduces main engine power, reaches energy-efficient purpose.
Wind wing sail is a kind of novel sail different from Traditional Sail, and section utilizes Oversea wind in airfoil type wind wing sail
Resource, constantly adjusting the angle of attack keeps lift as consistent as possible with ship course, ship thrust is converted directly into, together with diesel engine
The hybrid propulsion system for forming ship provides active force by diesel engine, and wind wing sail provides auxiliary power.
Some patents are disclosed for wind wing sail to be used on ship, most of is that the shape of sail is directly made into the wing
Type.Patent if notification number is CN 201737153U discloses a kind of airfoil wind sail, and sail face cross section is aerofoil profile, mast setting
In sail face or so stress symmetric position, mast lower end can be rotated sail face equipped with steering mechanism and adjust best angle windward.
However, loading the ship of this asymmetrical single airfoil wind sail to utmostly utilize wind energy, it is necessary to according to
Wind direction adjusts the angle windward of sail in time, and when wind direction has large change, which needs to rotate very big angle, from timeliness
With all there is certain drawback from the aspect of energy conservation；Although and the wing sail designed in quiet wind make mast be set to sail face or so by
Power symmetric position, but when there is wind can generate different size of torque since the sail of mast or so is asymmetric, make mast by
To larger stress；In addition, the wing sail lacks reefing device also to ensure marine operation safety when wind speed is excessively high.
Summary of the invention
The present invention for the technical problems in the prior art, and proposes a kind of retractable symmetrical airfoil sail dress
It sets, the equipment safety is reliable, can efficiently utilize wind-force.
The purpose of the present invention is achieved through the following technical solutions: a kind of retractable symmetrical airfoil wind sail device, including right
Claim airfoil wind sail, folding and unfolding sail device, hydraulic control device, self-adjusting angle of attack device 16, wind speed wind direction sensor 5, hydraulic motor
Control oil pipe 10, mast 11 and pedestal 19；The symmetrical airfoil sail is connected with the folding and unfolding sail device, the folding and unfolding sail device
It is connect with hydraulic control device, the hydraulic control device is connect with self-adjusting angle of attack device 16；
The symmetrical airfoil sail includes upper sail face 1, the face 2 that lowers the sail, upper bracket 3 and lower bracket 4, the upper sail face 1 with it is upper
Bracket 3 is fixedly connected, and the face 2 that lowers the sail is fixedly connected with lower bracket 4, and the lower bracket 4 is fixedly connected with mast 11；
The folding and unfolding sail device includes hydraulic motor 6 and telescopic rod；The hydraulic motor 6 is fixedly connected with telescopic rod；Institute
Sail face 1 is stated to connect by upper bracket 3 and connection sliding block 17 with hydraulic motor 6；
The hydraulic control device includes hydraulic controller 15, telescopic rod oil groove 13, hydraulic motor oil groove 14 and pipeline；Institute
Telescopic rod oil groove 13 is stated to connect by pipeline with telescopic rod；The hydraulic controller 15 by pipeline respectively with telescopic rod oil groove
13, hydraulic motor oil groove 14 and self-adjusting angle of attack device 16 connect, the hydraulic motor oil groove 14 by pipeline with it is described hydraulic
Motor control oil pipe 10 connects；The hydraulic motor control oil pipe 10 is connect with hydraulic motor 6；
The self-adjusting angle of attack device 16 is attacked by the wind direction information adjust automatically sail that wind speed wind direction sensor 5 acquires
Angle；The wind speed wind direction sensor 5 is connect with upper sail face 1；
The mast 11 is connect by bearing 12 with pedestal 19.
Further, the telescopic rod includes the first telescopic rod 7, the second telescopic rod 8 and third telescopic rod 9；First to
Three telescopic rods are sequentially connected.
Further, when the telescopic rod telescopic height reaches the upper limit, upper sail face 1 and 2 seamless interfacing of face that lowers the sail；Flexible height
When degree reaches lower limit, upper sail face 1 is concordant with 2 height of the face of lowering the sail.
Further, the symmetrical airfoil wind sail device further includes locating slot 18, and the locating slot 18 is installed in mast 11
On, bottom is semicircular arc slot, and top is straight shape groove.
Further, the rotation of the hydraulic motor 6 enables connection sliding block 17 rotate in semicircular arc slot, makes sail face 1
Go to the opposite side in the face of lowering the sail 2；Moving up and down for the telescopic rod drives connection sliding block 17 that sail face 1 is made to be moved to the face of lowering the sail 2
Concordantly to realize reefing, connection sliding block 17 and locating slot 18 are locking at this time.
Further, symmetrical airfoil sail cross section is symmetrical two thin airfoils, intermediate connections smooth transition.
Advantage of the present invention is mainly reflected in the following aspects:
1, the present invention utilizes retractable symmetrical airfoil sail-assisted propulsion, significantly improves the utilization rate of wind energy, energy saving；
2, the symmetrical airfoil sail that the present invention designs, which reduces, leads to mast institute by asymmetrical stress under sail
Generate distortion torque；
3, the symmetrical airfoil sail that the present invention designs is in the variation of wind direction larger angle, using symmetrical design compared to list
Airfoil wind sail reduces the amount of deflection of the angle of attack, to improve the flexibility and timeliness of the adjustment sail angle of attack, improves navaid ability；
4, the symmetrical airfoil sail that the present invention designs is using hard material, and moulding is simple, aerodynamic quality and stabilization
Property better than the soft sail of tradition；
5, control uses hydraulic device, and safety durable, positioning cotter way positioning, structure is simple, easy to operate；
6, designed folding and unfolding sail device improves safety of the ship in Sailing in Big Waves；
7, self-adjusting angle of attack device can change the sail angle of attack according to marine wind regime in real time to improve navaid efficiency, and improve
The adaptivity of ship.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of retractable symmetrical airfoil wind sail device；
Fig. 2 is the schematic top plan view (cross-section diagram) that hydraulic motor is connect with upper bracket；
Fig. 3 is the schematic elevation view of mast and locating slot；
Fig. 4 is reefing process schematic.
Specific embodiment
Technical solution in the embodiment of the present invention that following will be combined with the drawings in the embodiments of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of retractable symmetrical airfoil wind sail device, including symmetrical airfoil sail, folding and unfolding sail
Device, hydraulic control device, self-adjusting angle of attack device 16, wind speed wind direction sensor 5, hydraulic motor control oil pipe 10, mast 11
With pedestal 19；The symmetrical airfoil sail is connected with the folding and unfolding sail device, and the folding and unfolding sail device and hydraulic control device connect
It connects, the hydraulic control device is connect with self-adjusting angle of attack device 16；
The symmetrical airfoil sail includes upper sail face 1, the face 2 that lowers the sail, upper bracket 3 and lower bracket 4, the upper sail face 1 with it is upper
Bracket 3 is fixedly connected, and the face 2 that lowers the sail is fixedly connected with lower bracket 4, and the lower bracket 4 is fixedly connected with mast 11；
The folding and unfolding sail device includes hydraulic motor 6 and telescopic rod；The hydraulic motor 6 is fixedly connected with telescopic rod；Institute
Sail face 1 is stated to connect by upper bracket 3 and connection sliding block 17 with hydraulic motor 6；
The hydraulic control device includes hydraulic controller 15, telescopic rod oil groove 13, hydraulic motor oil groove 14 and pipeline；Institute
Telescopic rod oil groove 13 is stated to connect by pipeline with telescopic rod；The hydraulic controller 15 by pipeline respectively with telescopic rod oil groove
13, hydraulic motor oil groove 14 and self-adjusting angle of attack device 16 connect, the hydraulic motor oil groove 14 by pipeline with it is described hydraulic
Motor control oil pipe 10 connects；The hydraulic motor control oil pipe 10 is connect with hydraulic motor 6；Hydraulic controller 15 can divide automatically
Equipped hydraulic oil circuit controls hydraulic motor 6, telescopic rod, self-adjusting angle of attack device 16；The telescopic rod oil groove 13, hydraulic motor oil groove
14 match with the pipeline in mast 11, can also realize the supply of hydraulic oil in rotation even if mast 11.
The self-adjusting angle of attack device 16 is attacked by the wind direction information adjust automatically sail that wind speed wind direction sensor 5 acquires
Angle；The wind speed wind direction sensor 5 is connect with upper sail face 1；
The mast 11 is connect by bearing 12 with pedestal 19.
The telescopic rod includes the first telescopic rod 7, the second telescopic rod 8 and third telescopic rod 9；First to third telescopic rod according to
Secondary connection.
When the telescopic rod telescopic height reaches the upper limit, upper sail face 1 and 2 seamless interfacing of face that lowers the sail；Under telescopic height reaches
In limited time, upper sail face 1 is concordant with 2 height of the face of lowering the sail.
The symmetrical airfoil wind sail device further includes locating slot 18, and the locating slot 18 is installed on mast 11, bottom
For semicircular arc slot, top is straight shape groove.
The rotation of the hydraulic motor 6 enables connection sliding block 17 rotate in semicircular arc slot, and sail face 1 is made to go to the face of lowering the sail
2 opposite side；Moving up and down for the telescopic rod drives connection sliding block 17 that sail face 1 is made to be moved to the face of lowering the sail 2 concordantly to realize
Reefing, connection sliding block 17 and locating slot 18 are locking at this time.
Symmetrical airfoil sail cross section is symmetrical two thin airfoils, intermediate connections smooth transition, using glass
Fiber reinforced plastics are made.
The course of work of the device is as follows:
In conjunction with Fig. 4, ship utilizes symmetrical airfoil sail supplementary navigation in normal/cruise.Pass through wind speed wind direction sensor 5
The real-time wind regime information of acquisition calculates the sail deflection angle of attack automatically, while signal is passed to hydraulic controller 15 and controls hydraulic oil extremely
Self-adjusting angle of attack device 16 rotates mast 11, and then adjusts the sail angle of attack.
When ship is when severe sea condition navigates by water, hydraulic controller 15 controls hydraulic oil and passes through hydraulic motor oil groove 14, mast
Hydraulic motor control oil pipe 10 in 11 makes locating slot of the connection sliding block 17 connected to it on mast 11 to hydraulic motor 6
180 ° are rotated clockwise in 18, so that sail face 1 be made to go to the opposite side in the face of lowering the sail 2.
The hydraulic oil that hydraulic controller 15 controls the first telescopic rod 7, the second telescopic rod 8 and third telescopic rod 9 at this time passes through
Telescopic rod oil groove 13 is successively released, and makes telescopic rod decline to drive connection sliding block 17 to keep the face 2 that is moved to and lowers the sail of sail face 1 flat
Neat position is to realize reefing.
The working principle of the invention is:
Retractable symmetrical airfoil sail cross section is symmetrical two thin airfoils, intermediate connections smooth transition.With a left side
Side is come for wind, and wind flows through sail face with certain angle of attack, and the upper surface streamline of left side sail can be made to become close, become dredge below, exerted according to uncle
Sharp theorem, the upper surface air flow velocity of sail is big, pressure is small, and lower surface flow velocity is small, pressure is big, and the pressure difference of upper and lower surface is to a left side
Side sail face generates lift；Wind flows through right side sail face simultaneously, can regard as and flow through arc-shaped sail surface, be converted to promotion by the kinetic energy of wind
The mechanical energy of right side sail.Thrust caused by resultant force suffered by the sail face of the left and right sides, that is, symmetrical airfoil sail.
By the optimization in the case where optimizing the angle of attack to sail section, the resultant force in left and right sail face can be made along course direction maximum, together
When it is lateral stressed offset, reduce as asymmetrical stress and cause to distort torque produced by mast.Furthermore when wind direction compared with
When wide-angle variations, reduce the amount of deflection of the angle of attack compared to single airfoil wind sail using symmetrical design, to improve adjustment wind
The flexibility and timeliness of the sail angle of attack.
Compared to the prior art, the present invention makes ship utilize symmetrical airfoil sail-assisted propulsion under sail, while self-adjusting is attacked
The wind direction information adjust automatically sail angle of attack that angle apparatus is acquired by wind speed wind direction sensor, had not only improved the utilization rate of wind energy but also had mentioned
The high flexibility of the adjustment sail angle of attack；Folding and unfolding sailage is set to ship's navigation and provides safety guarantee.
It above to a kind of retractable symmetrical airfoil wind sail device provided by the present invention, is described in detail, herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
Claims (6)
1. a kind of retractable symmetrical airfoil wind sail device, including symmetrical airfoil sail, folding and unfolding sail device, hydraulic control device,
Self-adjusting angle of attack device (16), wind speed wind direction sensor (5), mast (11) and pedestal (19)；The symmetrical airfoil sail and institute
The connection of folding and unfolding sail device is stated, the folding and unfolding sail device is connect with hydraulic control device, and the hydraulic control device is attacked with self-adjusting
Angle apparatus (16) connection；It is characterized by: the symmetrical airfoil wind sail device further includes hydraulic motor control oil pipe (10)；
The symmetrical airfoil sail includes upper sail face (1), the face that lowers the sail (2), upper bracket (3) and lower bracket (4), the upper sail face
(1) it is fixedly connected with upper bracket (3), the face that lowers the sail (2) is fixedly connected with lower bracket (4), the lower bracket (4) and mast
(11) it is fixedly connected；
The folding and unfolding sail device includes hydraulic motor (6) and telescopic rod；The hydraulic motor (6) is fixedly connected with telescopic rod；Institute
Sail face (1) is stated to connect by upper bracket (3) and connection sliding block (17) with hydraulic motor (6)；
The hydraulic control device includes hydraulic controller (15), telescopic rod oil groove (13), hydraulic motor oil groove (14) and pipeline；
The telescopic rod oil groove (13) is connect by pipeline with telescopic rod；The hydraulic controller (15) by pipeline respectively with telescopic rod
Oil groove (13), hydraulic motor oil groove (14) and self-adjusting angle of attack device (16) connection；The hydraulic motor oil groove (14) passes through pipe
Road is connect with the hydraulic motor control oil pipe (10)；The hydraulic motor control oil pipe (10) connect with hydraulic motor (6)；
The wind direction information adjust automatically sail that the self-adjusting angle of attack device (16) is acquired by wind speed wind direction sensor (5) is attacked
Angle；The wind speed wind direction sensor (5) connect with upper sail face (1)；
The mast (11) is connect by bearing (12) with pedestal (19).
2. the apparatus according to claim 1, it is characterised in that: the telescopic rod stretches including the first telescopic rod (7), second
Bar (8) and third telescopic rod (9)；First is sequentially connected to third telescopic rod.
3. the apparatus of claim 2, it is characterised in that: when the telescopic rod telescopic height reaches the upper limit, upper sail face
(1) and the face that lowers the sail (2) seamless interfacing；When telescopic height reaches lower limit, upper sail face (1) is concordant with the face of lowering the sail (2) height.
4. the apparatus according to claim 1, it is characterised in that: the symmetrical airfoil wind sail device further includes locating slot
(18), the locating slot (18) is installed on mast (11), and bottom is semicircular arc slot, and top is straight shape groove.
5. device according to claim 4, it is characterised in that: the rotation of the hydraulic motor (6) enables connection sliding block (17)
It is rotated in semicircular arc slot, sail face (1) is made to go to the opposite side of the face of lowering the sail (2)；The telescopic rod moves up and down drive
Connection sliding block (17) makes sail face (1) be moved to the face of lowering the sail (2) concordantly to realize reefing, at this time connection sliding block (17) and locating slot
(18) locking.
6. the apparatus according to claim 1, it is characterised in that: symmetrical airfoil sail cross section is symmetrical two thin
Aerofoil profile, intermediate connections smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095934.8A CN107878720B (en) | 2017-11-09 | 2017-11-09 | A kind of retractable symmetrical airfoil wind sail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095934.8A CN107878720B (en) | 2017-11-09 | 2017-11-09 | A kind of retractable symmetrical airfoil wind sail device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107878720A CN107878720A (en) | 2018-04-06 |
| CN107878720B true CN107878720B (en) | 2019-06-04 |
Family
ID=61779553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095934.8A Expired - Fee Related CN107878720B (en) | 2017-11-09 | 2017-11-09 | A kind of retractable symmetrical airfoil wind sail device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107878720B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733623B (en) * | 2019-11-05 | 2020-09-11 | 重庆华渝重工机电有限公司 | Telescopic sail applied to unmanned sea boat |
| FR3123307A1 (en) | 2021-05-28 | 2022-12-02 | Compagnie Generale Des Etablissements Michelin | Wind-powered vehicle |
| FR3123310A1 (en) | 2021-05-28 | 2022-12-02 | Compagnie Generale Des Etablissements Michelin | Sail Propulsion Element, Sail Propelled Vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5137628B2 (en) * | 2008-03-08 | 2013-02-06 | 株式会社大内海洋コンサルタント | Sailing ship with hard sails |
| JP5318008B2 (en) * | 2010-03-19 | 2013-10-16 | 株式会社大内海洋コンサルタント | Sailing ship |
| CN101920777B (en) * | 2010-09-15 | 2012-07-04 | 武汉理工大学 | Wing sail and ship with same |
| CN103538710B (en) * | 2013-11-04 | 2015-09-30 | 上海海事大学 | A kind of adjustable for height segment type sail |
| CN104176222B (en) * | 2014-09-11 | 2016-08-17 | 上海海事大学 | A kind of boats and ships many masts swinging stacking sail |
| CN107128471A (en) * | 2017-05-18 | 2017-09-05 | 江苏科技大学 | A kind of New Marine sail and its control method |
-
2017
- 2017-11-09 CN CN201711095934.8A patent/CN107878720B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107878720A (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101920777B (en) | Wing sail and ship with same | |
| CN107878720B (en) | A kind of retractable symmetrical airfoil wind sail device | |
| KR100441112B1 (en) | Trimaran type wig effect ship with small waterplane area | |
| CN103318380B (en) | Push catamaran | |
| CN106938693B (en) | Cylinder wind sail device is revolved using the truncated cone-shaped of Magnus Effect | |
| CN105966545B (en) | Trimaran | |
| CN107719595B (en) | Composite ocean platform anti-rolling system and method | |
| CN105697236A (en) | Self-adapting sail capable of generating power | |
| CN202193204U (en) | Fishtail rudder | |
| CN203511975U (en) | High-navigability economical ground-effect wing ship | |
| NZ575935A (en) | Twisted rudder blade | |
| CN205891158U (en) | Novel underwater vehicle with rhombus wing | |
| CN202754133U (en) | Sailboard energy-saving device on two sides of large-scale ship residential area | |
| GB2478313A (en) | Automatically controlled self-trimming wingsail | |
| CN205615697U (en) | Bionical fin fish tail rudder | |
| US20120285354A1 (en) | Adjusting rigid foil spar system | |
| CN103991546B (en) | A kind of rotary flapping wing thrust generating apparatus | |
| US6349659B1 (en) | Sailboat rotatable keel appendage | |
| CN1390743A (en) | Effectively power-boosting ground effect aircraft | |
| CN107618618B (en) | Multiple road conditions high speed rescue air cushion vehicle equipment boasts flow of air drag reduction method | |
| CN215944853U (en) | Novel ship double-rudder device | |
| CN103158834B (en) | A kind of wind effect water ski ship | |
| Ren et al. | Research on the Wing's Thrust of “Wenzhuhai” ship with Install Wing | |
| Prosvirin | Flettner Rotor and Turbosail from Cousteau | |
| RU2436707C1 (en) | Fast ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20191109 |