CN104925241A - Retractable airfoil-shaped sail with double tail flaps - Google Patents
Retractable airfoil-shaped sail with double tail flaps Download PDFInfo
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- CN104925241A CN104925241A CN201510318178.5A CN201510318178A CN104925241A CN 104925241 A CN104925241 A CN 104925241A CN 201510318178 A CN201510318178 A CN 201510318178A CN 104925241 A CN104925241 A CN 104925241A
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Abstract
The invention discloses a retractable airfoil-shaped sail with double tail flaps. A sail body assembly comprises a main sail at the front part, a front tail flap airfoil sail in the middle, and a rear tail flap airfoil sail at the rear part; the lower end of a front sail mast is connected to a base, and track cars are respectively and correspondingly connected to the lower ends of a middle sail mast and a rear sail mast; an engine is connected with the lower end of the front sail mast through a pair of meshed gears, and each the lower ends of the middle sail mast and the rear sail mast is connected to a corresponding rotating motor through a pair of corresponding meshed gears. When the sail is furled, the front tail flap airfoil sail is tightly attached to the variable-curvature concave arc surface on the main sail through the variable-curvature airfoil surface of the front tail flap airfoil sail, and the rear tail flap airfoil sail is tightly attached to the variable-curvature concave arc surface on the front tail flap airfoil sail through the variable-curvature airfoil surface of the rear tail flap airfoil sail; when the sail is unfurled, front and rear transverse gaps are reserved between the main sail and the front tail flap airfoil sail, as well as between the front tail flap airfoil sail and the rear tail flap airfoil sail, so that the high-pressure airflow on a lower sail surface flows to an upper sail surface through the gaps; the separation of the airflow can be postponed, and the aerodynamic performance of the sail can be improved.
Description
Technical field
The present invention relates to a kind of boats and ships sail, be specifically related to contractile pair of tail wing flap airfoil wind sail.
Background technology
Boats and ships sail material develops into hard sail by soft sail, and sail sail type has triangular form, four limit types, camber, aerofoil profile.What present use was more is airfoil wind sail, the upper surface of airfoil wind sail is bending, lower surface is more smooth, therefore when with air generation relative motion, the air flowing through upper surface at one time in the distance of passing by far away than the distance of the air flowing through lower surface, so little at the relative velocity of the air of lower surface in the relative velocity ratio of the air of upper surface.According to Bernoulli's theorem: the relative velocity of the pressure that fluid produces the material of surrounding and fluid is inversely proportional to, therefore the air that the pressure that the air of airfoil wind sail upper surface is applied to the wing is less than lower surface is applied to the pressure of the wing, making a concerted effort of two-way pressure must upwards, this generates lift, make airfoil wind sail by wind-force navaid.
At present, on boats and ships, generally set up one or more groups sail carry out navaid, sail is all adopt fixing sail face, although can folding and retraction and adjustment sail angle, but cannot increase main area exposed to the wind, wind energy utilization is lower.
China Patent Publication No. is that the patent documentation of CN203528797 describes a kind of socket joint type sail-assisted propulsion device, is made up of rotating base, the hydraulic lifting arm be connected with rotating base upper end, the sail body etc. be arranged on hydraulic lifting arm; Hydraulic lifting arm is that more piece is arranged; Sail body is the structure can stretched along hydraulic lifting arm, and this device can shrink sail automatically up and down, improves Stability of Ship and deck Occupation efficiency.But its same Shortcomings part is: its sail type only can shrink up and down, though be conducive to Stability of Ship, but area exposed to the wind is not changed, the thrust effect that sail produces is not improved, and navaid performance does not improve.
Summary of the invention
The object of the invention is to solve existing sail Problems existing, there is provided a kind of telescopic type two tail wing flap airfoil wind sail, by arranging the different moveable aft flap of two length, area exposed to the wind is considerably increased when it launches, efficiently solve the problem that the effective area exposed to the wind of Traditional Sail can not increase, improve sail thrust effect and wind energy utilization.
In order to achieve the above object, the present invention used following technical scheme to realize: the present invention includes sail body assembly, frame assembly and deck transmission component, deck transmission component is fixedly located on ship deck, frame assembly above the transmission component of deck, on frame assembly, stationary cloth is equipped with sail body assembly, and sail body assembly comprises the rear tail wing flap sail at the mainsail of forefront, middle front tail wing flap sail, rear portion; Side, mainsail rear portion one is the variable curvature cancave cambered surface to mainsail center line depression, the anterior side of front tail wing flap sail is the variable curvature airfoil that curvature is identical with the variable curvature cancave cambered surface curvature on mainsail, side, front tail wing flap sail rear portion one is the variable curvature cancave cambered surface of tail wing flap sail center line depression forward, and the anterior side of rear tail wing flap sail is the variable curvature airfoil that curvature is identical with the curvature of the variable curvature cancave cambered surface on front tail wing flap sail; When reefing state, front tail wing flap sail is fitted tightly by the variable curvature cancave cambered surface on its variable curvature airfoil and mainsail, and rear tail wing flap sail is fitted tightly by the variable curvature cancave cambered surface on its variable curvature airfoil and front tail wing flap sail; When state to unfurl, gap horizontal before and after all leaving between mainsail and front tail wing flap sail, between front tail wing flap sail and rear tail wing flap sail.
Further, described frame assembly comprises a base, two transversal stretching bars, three sail masts, base is fixed on the front portion on deck, three sail masts are arranged from front to back and perpendicular to deck, three sail mast upper ends are fixedly connected with the geometric centre place of corresponding mainsail, front tail wing flap sail, rear tail wing flap sail respectively; Anterior sail mast lower end is connected to base, and sail mast lower end that is middle, rear portion respectively connects a corresponding rail vehicle; A transversal stretching bar is connected between three sail mast tops, another root transversal stretching bar is connected between three sail mast foot, be connected with bearing between sail mast with transversal stretching bar, described transversal stretching bar is that nested type can the telescoping structure of transversal stretching, and described three sail masts are that nested type can the telescoping structure of vertical telescopic; Chassis interior is provided with hydraulic efficiency gear and driving engine, and driving engine connects anterior sail mast lower end by pair of engaged gears, and hydraulic efficiency gear connects sail mast by hydraulically extensible bar; A fixing track is above deck set below two rail vehicles, each rail vehicle is equipped with drive motor, rotating machine and pair of engaged gears; Drive motor drives rail vehicle to walk before and after track; Centre is passed transversal stretching bar with the sail mast lower end at rear portion and is connected corresponding rotating machine by corresponding pair of engaged gears.
The present invention compared with prior art has the following advantages:
1, the present invention upon deployment, all gap is left between mainsail and front tail wing flap sail, between front tail wing flap sail and rear tail wing flap sail, for the structure of two gap of cracking, make the high pressure draft in the face of lowering the sail by slit flow upwards sail face, the separation of air-flow can be delayed, thus improve the aerodynamic performance of sail greatly.
2, sail body assembly of the present invention adopts gradient to arrange, and top-down cross-sectional area reduces gradually, better make use of the gradient principle of wind,
3, sail face of the present invention and mast adopt cover embedded stretching structure, utilize liftable mast, make sail main body automatic telescopic, be conducive to the stationarity of boats and ships, be convenient to C&M simultaneously.
4, each sail body of the present invention can independently rotate, front tail wing flap sail, rear tail wing flap sail can realize horizontal folding and unfolding simultaneously, and when sail is packed up, mainsail, front tail wing flap sail and rear tail wing flap sail nest together, reduce deck area occupied, be also conducive to boats and ships stationarity.
5, the present invention utilizes mainsail and the special arc of front tail wing flap sail to arrange, and realizes three sail bodies and fits tightly, can increase sail area of thrust surface again, greatly improve wind energy utilization during expansion.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated:
Fig. 1 is the two tail wing flap airfoil wind sail of a kind of telescopic type of the present invention at the structural representation of state to unfurl.
Fig. 2 is that enlarged drawing is overlooked in the sail face of sail body assembly 1 in Fig. 1;
Fig. 3 is the connection structure schematic diagram of Fig. 1 middle frame assembly 2 and deck transmission component 3;
Fig. 4 is A close-up schematic view in Fig. 3, is the connection structure enlarged diagram of sail mast 24 top and mainsail 11, transversal stretching bar 23;
Fig. 5 is B close-up schematic view in Fig. 3; It is the inner connection structure enlarged diagram with sail mast 24, transversal stretching bar 23 of base 21;
Fig. 6 is C close-up schematic view in Fig. 3; It is the inner connection structure enlarged diagram with sail mast 24, transversal stretching bar 23 of rail vehicle 32;
Fig. 7 is that Fig. 1 is in reefing view;
Fig. 8 is the elevation cross-sectional view of Fig. 7;
Sail face top plan view when Fig. 9 is Fig. 7 reefing state;
Figure 10 is the D close-up schematic view in Fig. 9.
In figure: 1 sail body assembly; 2 frame assemblies; 3 deck transmission components; 11 mainsails; Tail wing flap sail before 12; Tail wing flap sail after 13; 21 bases; 22 hydraulically extensible bars; 23 transversal stretching bars; 24 sail masts; 31 tracks; 32 rail vehicles; 111 variable curvature cancave cambered surfaces, 121 variable curvature airfoils; 122 variable curvature cancave cambered surfaces; 131 variable curvature airfoils; 211 driving engines; 212 hydraulic efficiency gear; 213 pair of engaged gears; 231 bearings; 321 drive motor; 322 rotating machines, 323 pair of engaged gears.
Detailed description of the invention
Shown in Figure 1, the present invention comprises sail body assembly 1, frame assembly 2, deck transmission component 3.Deck transmission component 3 is fixedly mounted on ship deck, is frame assembly 2 above deck transmission component 3, fixed and arranged sail body assembly 1 on frame assembly 2.
Shown in Fig. 1 and Fig. 2, sail body assembly 1 comprises: the rear tail wing flap sail 13 at the mainsail 11 of forefront, middle front tail wing flap sail 12, rear portion.Sail body assembly 1 is arranged on frame assembly 2, and order of placement is mainsail 11, front tail wing flap sail 12, rear tail wing flap sail 13 from front to back according to this.Mainsail 11, front tail wing flap sail 12, rear tail wing flap sail 13 have upper, middle and lower-ranking respectively, and the upper, middle and lower-ranking of same wing sail is connected in turn by inner flanging.The area of the cross-sectional plane of upper, middle and lower-ranking reduces from top to bottom all in gradient.The area of the cross-sectional plane of the mainsail 11 at sustained height place, front tail wing flap sail 12, rear tail wing flap sail 13 reduces successively, namely at same vertical dimension place, the area of the cross-sectional plane of mainsail 11 is greater than the area of the cross-sectional plane of front tail wing flap sail 12, and the area of the cross-sectional plane of front tail wing flap sail 12 is greater than the area of the cross-sectional plane of rear tail wing flap sail 13.
Mainsail 11 entirety symmetrically aerofoil profile, preferred aerofoil profile is NACA0021.The side, rear portion one of mainsail 11 is the variable curvature cancave cambered surfaces 111 to mainsail 11 center line depression, and the side, front portion one of front tail wing flap sail 12 is variable curvature airfoils 121, and the curvature of variable curvature airfoil 121 is identical with variable curvature cancave cambered surface 111.Front tail wing flap sail 12 entirety symmetrically aerofoil profile, rear tail wing flap sail 13 entirety symmetrically aerofoil profile, the side, rear portion one of front tail wing flap sail 12 is variable curvature cancave cambered surfaces 122 of tail wing flap sail 12 center line depression forward, the side, front portion one of rear tail wing flap sail 13 is variable curvature airfoils 131, and the curvature of variable curvature airfoil 131 is identical with the curvature of variable curvature cancave cambered surface 122.When sail body assembly 1 fold be in reefing state time, front tail wing flap sail 12 is fitted tightly with the variable curvature cancave cambered surface 111 of mainsail 11 by its variable curvature airfoil 121, and rear tail wing flap sail 13 is fitted tightly with the variable curvature cancave cambered surface 122 of front tail wing flap sail 12 by its variable curvature airfoil 131.When state to unfurl, between mainsail 11 and front tail wing flap sail 12, between front tail wing flap sail 12 and rear tail wing flap sail 13 because of the existence of variable curvature cancave cambered surface 111, variable curvature cancave cambered surface 122 all leave before and after horizontal gap.
See Fig. 1 and Fig. 3, frame assembly 2 comprises: a base 21, two transversal stretching bars 23, three sail masts 24.Wherein base 21 is fixed on the front portion on deck, and three sail masts 24 are arranged from front to back, and all perpendicular to deck, anterior sail mast 24 upper end is fixedly connected on the geometric centre place of mainsail 11, and anterior sail mast 24 lower end connects base 21; Middle sail mast 24 upper end is fixedly connected on the geometric centre place of front tail wing flap sail 12, and middle sail mast 24 lower end connects anterior rail vehicle 32; Sail mast 24 upper end at rear portion is fixedly connected on the geometric centre place of rear tail wing flap sail 13, and the rail vehicle 32 at rear portion is passed through in sail mast 24 lower end at rear portion.
Three sail masts 24 reduce successively at the area of the cross-sectional plane at sustained height place, and namely the bar footpath of sail mast 24 is from coarse to fine.Between the top of three sail masts 24, connect a transversal stretching bar 23, between the bottom of three sail masts 24, connect another root transversal stretching bar 23.Transversal stretching bar 23 for nested type can the telescoping structure of transversal stretching, three sail masts 24 for nested type can the telescoping structure of vertical telescopic, transversal stretching bar 23 and sail mast 24 are commercial.
Below rail vehicle 32, between two rail vehicles 32 and between the rail vehicle 32 of base 21 and front portion, arrange a track 31, track 31 is fixing above deck.Transversal stretching bar 23 parallels with track 31, all perpendicular to sail mast 24.
As shown in Figure 3 and Figure 4, for the mounting structure on sail mast 24 top of front portion, anterior sail mast 24 top is fixedly connected with mainsail 11 through the through hole at the geometric centre place of mainsail 11, and is connected to transversal stretching bar 23 by first bearing 231.Similarly, middle sail mast 24 top is fixedly connected with front tail wing flap sail 12 through the through hole at the geometric centre place of front tail wing flap sail 12, and is connected to transversal stretching bar 23 by second bearing 231; Sail mast 24 top at rear portion is fixedly connected with rear tail wing flap sail 13 through the through hole at the geometric centre place of rear tail wing flap sail 13, and is connected to transversal stretching bar 23 by the 3rd bearing 231.Three sail masts 24 are all free to rotate.
See Fig. 3 and Fig. 5, base 21 inside arranges driving device and hydraulic efficiency gear 212.Driving device comprises a driving engine 211, and driving engine 211 connects the lower end of anterior sail mast 24 by pair of engaged gears 213, drives anterior sail mast 24 to rotate, thus drives mainsail 11 to rotate.Hydraulic efficiency gear 212 is installed bottom fore sail mast 24, connects sail mast 24 by hydraulically extensible bar 22, and it is inner that hydraulically extensible bar 22 overlaps fore sail mast 24.Drive hydraulically extensible bar about 22 folding and unfolding by hydraulic efficiency gear 212 thus the sail mast 24 of folding and unfolding front portion, realize the folding and unfolding of sail body assembly 1.Anterior sail mast 24 connects the front portion of transversal stretching bar 23 by the 4th bearing 231.
See Fig. 3 and Fig. 6, deck transmission component 3 comprises: a track 31 and two rail vehicles 32, and track 31 is arranged on deck, and two rail vehicles 32 are arranged on track 31.Each rail vehicle 32 is installed drive motor 321, rotating machine 322, pair of engaged gears 323.See Fig. 6, be illustrated for rail vehicle 32 structure of front portion below: drive motor 321 drives rail vehicle 32 to walk before and after track 31.Middle sail mast 24 lower end, through transversal stretching bar 23, is connected by the 5th bearing 231 with transversal stretching bar 23, and corresponding sail mast 24 can be rotated relative to horizontal transversal stretching bar 23.Sail mast 24 lower end connects rotating machine 322 by pair of engaged gears 323.Rail vehicle 32 structure at rear portion is identical with the connection structure of anterior rail vehicle 32.Rotating machine 322 drives pair of engaged gears 323 to drive corresponding sail mast 24 to rotate, thus the front tail wing flap sail 12 of drive, rear tail wing flap sail 13 rotate.
See Fig. 1-6 and Fig. 7, Fig. 8, during the two tail wing flap airfoil wind sail reefing of telescopic type of the present invention, drive motor 321 and rotating machine 322 work simultaneously, drive motor 321 drives rail vehicle 32 base 21 direction forwards to make cross motion, thus has driven front tail wing flap sail 12 to make cross motion with rear tail wing flap sail 13 to mainsail 11 direction.Simultaneously, two rotating machines 322 drive the sail mast 24 at middle sail mast 24 and rear portion to rotate respectively by the pair of engaged gears 323 of correspondence, thus the front tail wing flap sail 12 of drive, rear tail wing flap sail 13 rotate, in real time according to transverse shifting adjustment sail angle, when two rail vehicles 32 move to terminal, the variable curvature airfoil 121 of front tail wing flap sail 12 just in time fits tightly with the variable curvature cancave cambered surface 111 of mainsail 11, and the variable curvature airfoil 131 of rear tail wing flap sail 13 just in time fits tightly with the variable curvature cancave cambered surface 122 of front tail wing flap sail 12.While cross motion, vertical folding and unfolding campaign also can be carried out simultaneously, the hydraulic efficiency gear 212 of base 21 inside works, drive the vertical contraction of hydraulically extensible bar 22, thus drive anterior sail mast 24 to shrink, due to Action of Gravity Field, sail body assembly 1 with the vertical decline of sail mast 24, can realize sleeve-type and packs up.
Shown in Fig. 9, Figure 10, in sail reefing state, sail body assembly 1 nests together, and front tail wing flap sail 12 fits tightly with mainsail 11, and rear tail wing flap sail 13 fits tightly with front tail wing flap sail 12.
When sail is hoisted a sail, three sail mast 24 upward movements, drive upper strata sail body upward movement, upper strata sail body drives middle level successively, lower floor's sail body launches, the rail vehicle 32 of deck transmission component 3 drives rear tail wing flap sail 13 cross motion backward simultaneously, and rear tail wing flap sail 13 launches with front tail wing flap sail 12 entirety.When shift of wind, the present invention can utilize the rotating machine in base 21 and rail vehicle 32 to drive sail mast to rotate, thus realizes the rotation of mainsail 11, front tail wing flap sail 12 and rear tail wing flap sail 13.
Claims (5)
1. the two tail wing flap airfoil wind sail of telescopic type, comprise sail body assembly (1), frame assembly (2) and deck transmission component (3), deck transmission component (3) is fixedly located on ship deck, deck transmission component (3) top is frame assembly (2), the upper stationary cloth of frame assembly (2) is equipped with sail body assembly (1), it is characterized in that: sail body assembly (1) comprises the rear tail wing flap sail (13) at the mainsail (11) of forefront, middle front tail wing flap sail (12), rear portion; Side, mainsail (11) rear portion one is the variable curvature cancave cambered surface (111) to mainsail (11) center line depression, the front anterior side of tail wing flap sail (12) is the variable curvature airfoil (121) that curvature is identical with variable curvature cancave cambered surface (111) curvature on mainsail (11), side, front tail wing flap sail (12) rear portion one is the variable curvature cancave cambered surface (122) of tail wing flap sail (12) center line depression forward, and the rear anterior side of tail wing flap sail (13) is the variable curvature airfoil (131) that curvature is identical with the curvature of the variable curvature cancave cambered surface 122 on front tail wing flap sail (12); When reefing state, front tail wing flap sail (12) is fitted tightly by its variable curvature airfoil (121) and the variable curvature cancave cambered surface (111) on mainsail (11), and rear tail wing flap sail (13) is fitted tightly by its variable curvature airfoil (131) and the variable curvature cancave cambered surface (122) on front tail wing flap sail (12); When state to unfurl, gap horizontal before and after all leaving between mainsail (11) and front tail wing flap sail (12), between front tail wing flap sail (12) and rear tail wing flap sail (13).
2. the two tail wing flap airfoil wind sail of a kind of telescopic type according to claim 1, it is characterized in that: described frame assembly (2) comprises a base (21), two transversal stretching bars (23), three sail masts (24), base (21) is fixed on the front portion on deck, three sail masts (24) are arranged from front to back and perpendicular to deck, three sail mast (24) upper ends are fixedly connected with the geometric centre place of corresponding mainsail (11), front tail wing flap sail (12), rear tail wing flap sail (13) respectively; Anterior sail mast (24) lower end is connected to base (21), and sail mast (24) lower end that is middle, rear portion respectively connects a corresponding rail vehicle (32); A transversal stretching bar (23) is connected between three sail mast (24) tops, another root transversal stretching bar (23) is connected between three sail mast (24) bottoms, be connected with bearing between sail mast (24) with transversal stretching bar (23), described transversal stretching bar (23) for nested type can the telescoping structure of transversal stretching, described three sail masts (24) for nested type can the telescoping structure of vertical telescopic; Base (21) inside is provided with hydraulic efficiency gear (212) and driving engine (211), driving engine (211) connects anterior sail mast (24) lower end by pair of engaged gears (213), and hydraulic efficiency gear (212) connects anterior sail mast (24) by hydraulically extensible bar (22); A fixing track (31) is above deck set two rail vehicle (32) belows, each rail vehicle (32) is equipped with drive motor (321), rotating machine (322) and pair of engaged gears (323); Drive motor (321) drives rail vehicle (32) walking before and after track (31); Centre is passed transversal stretching bar (23) with sail mast (24) lower end at rear portion and is connected corresponding rotating machine (322) by corresponding pair of engaged gears (323).
3. the two tail wing flap airfoil wind sail of a kind of telescopic type according to claim 1, it is characterized in that: mainsail (11), front tail wing flap sail (12), rear tail wing flap sail (13) have upper, middle and lower-ranking respectively, the upper, middle and lower-ranking of same wing sail is connected in turn by inner flanging, and the area of the cross-sectional plane of upper, middle and lower-ranking reduces from top to bottom all in gradient.
4. the two tail wing flap airfoil wind sail of a kind of telescopic type according to claim 1, is characterized in that: the area of the cross-sectional plane of the mainsail (11) at same vertical dimension place, front tail wing flap sail (12), rear tail wing flap sail (13) reduces successively.
5. the two tail wing flap airfoil wind sail of a kind of telescopic type according to claim 1, is characterized in that: mainsail (11), front tail wing flap sail (12), rear tail wing flap sail (13) all symmetrically aerofoil profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318178.5A CN104925241B (en) | 2015-06-11 | 2015-06-11 | A kind of double tail wing flap airfoil wind sails of telescopic type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318178.5A CN104925241B (en) | 2015-06-11 | 2015-06-11 | A kind of double tail wing flap airfoil wind sails of telescopic type |
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| CN104925241A true CN104925241A (en) | 2015-09-23 |
| CN104925241B CN104925241B (en) | 2017-06-23 |
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| CN201510318178.5A Active CN104925241B (en) | 2015-06-11 | 2015-06-11 | A kind of double tail wing flap airfoil wind sails of telescopic type |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367802A (en) * | 2015-11-30 | 2018-08-03 | G·塞尔 | Sectional rigid sail |
| CN108891569A (en) * | 2018-07-02 | 2018-11-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of variable geometry type ship sail |
| CN110979507A (en) * | 2019-12-18 | 2020-04-10 | 广西大学 | Polar region variable-area sail robot |
| CN111645839A (en) * | 2019-02-18 | 2020-09-11 | 贝克船舶系统有限公司 | Rigid sail for a ship, in particular a large ship, and ship with a rigid sail |
| CN113071645A (en) * | 2021-04-12 | 2021-07-06 | 重庆交通大学 | Telescopic mast sail based on bionic bat idea |
| CN113302125A (en) * | 2018-12-06 | 2021-08-24 | 艾罗公司 | Ship with sail propulsion |
| CN114852301A (en) * | 2022-04-01 | 2022-08-05 | 哈尔滨工程大学 | Auxiliary propulsion device for flap of wave glider |
| CN115009496A (en) * | 2022-05-31 | 2022-09-06 | 武汉船用机械有限责任公司 | Marine variable wing type sail and ship |
| CN115071939A (en) * | 2022-06-04 | 2022-09-20 | 西北工业大学 | Follow-up symmetrical front wing sail |
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| US3934533A (en) * | 1973-09-12 | 1976-01-27 | Barry Wainwright | Aerofoil or hydrofoil |
| EP0096554B1 (en) * | 1982-06-04 | 1987-09-09 | Walker Wingsail Systems plc | Sail with retractable air directing element |
| CN1118412C (en) * | 1997-06-24 | 2003-08-20 | 姆拉登·米利德拉戈维奇 | Wing sail and method of use |
| CN102356023A (en) * | 2009-03-16 | 2012-02-15 | 何塞·米格尔·贝穆德斯·米盖尔 | Set of stowable rigid sails |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3934533A (en) * | 1973-09-12 | 1976-01-27 | Barry Wainwright | Aerofoil or hydrofoil |
| EP0096554B1 (en) * | 1982-06-04 | 1987-09-09 | Walker Wingsail Systems plc | Sail with retractable air directing element |
| CN1118412C (en) * | 1997-06-24 | 2003-08-20 | 姆拉登·米利德拉戈维奇 | Wing sail and method of use |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108367802A (en) * | 2015-11-30 | 2018-08-03 | G·塞尔 | Sectional rigid sail |
| CN108891569A (en) * | 2018-07-02 | 2018-11-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of variable geometry type ship sail |
| CN113302125B (en) * | 2018-12-06 | 2024-06-11 | 艾罗公司 | Ship with sail propulsion |
| CN113302125A (en) * | 2018-12-06 | 2021-08-24 | 艾罗公司 | Ship with sail propulsion |
| CN111645839A (en) * | 2019-02-18 | 2020-09-11 | 贝克船舶系统有限公司 | Rigid sail for a ship, in particular a large ship, and ship with a rigid sail |
| CN110979507A (en) * | 2019-12-18 | 2020-04-10 | 广西大学 | Polar region variable-area sail robot |
| CN113071645B (en) * | 2021-04-12 | 2022-05-27 | 重庆交通大学 | Telescopic mast sail based on bionic bat idea |
| CN113071645A (en) * | 2021-04-12 | 2021-07-06 | 重庆交通大学 | Telescopic mast sail based on bionic bat idea |
| CN114852301A (en) * | 2022-04-01 | 2022-08-05 | 哈尔滨工程大学 | Auxiliary propulsion device for flap of wave glider |
| CN115009496A (en) * | 2022-05-31 | 2022-09-06 | 武汉船用机械有限责任公司 | Marine variable wing type sail and ship |
| CN115009496B (en) * | 2022-05-31 | 2024-05-24 | 武汉船用机械有限责任公司 | Variable airfoil sail for ship and ship |
| CN115071939A (en) * | 2022-06-04 | 2022-09-20 | 西北工业大学 | Follow-up symmetrical front wing sail |
| CN115071939B (en) * | 2022-06-04 | 2023-11-17 | 西北工业大学 | Follow-up symmetrical front wing sail |
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| CN104925241B (en) | 2017-06-23 |
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