CN113071644A - Marine noise reduction and efficiency improvement device and aerodynamic boat - Google Patents
Marine noise reduction and efficiency improvement device and aerodynamic boat Download PDFInfo
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- CN113071644A CN113071644A CN202110559115.4A CN202110559115A CN113071644A CN 113071644 A CN113071644 A CN 113071644A CN 202110559115 A CN202110559115 A CN 202110559115A CN 113071644 A CN113071644 A CN 113071644A
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- cabin
- connecting plate
- noise reduction
- fairing body
- efficiency improvement
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- 230000009467 reduction Effects 0.000 title claims abstract description 46
- 230000006872 improvement Effects 0.000 title claims abstract description 37
- 230000000694 effects Effects 0.000 claims description 8
- 210000003141 lower extremity Anatomy 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H7/00—Propulsion directly actuated on air
- B63H7/02—Propulsion directly actuated on air using propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
- B60F3/003—Parts or details of the vehicle structure; vehicle arrangements not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
- B63B1/322—Other means for varying the inherent hydrodynamic characteristics of hulls using aerodynamic elements, e.g. aerofoils producing a lifting force
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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
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the field of aerodynamic boats, and particularly relates to a marine noise reduction and efficiency improvement device arranged at the top of a cabin of an aerodynamic boat and an aerodynamic boat with the marine noise reduction and efficiency improvement device; marine noise reduction and efficiency improvement device is characterized in that: the device comprises a connecting part connected with a cabin and a streamline fairing body fixed on the connecting part, wherein the fairing body is used for improving turbulent flow or turbulent flow between the cabin and a thrust steering device; the invention designs a noise reduction and efficiency improvement device for a ship, which is arranged at the rear section of the top of a cabin and used for injecting new energy into airflow of a boundary layer, so that the airflow is still smooth laminar flow after flowing out of the top of the cabin, the noise is reduced, the airflow can smoothly enter a propulsion device, the propulsion efficiency of the propulsion device is improved, and the turbulence or turbulent flow formed between the cabin and the propulsion device is reduced or weakened, so that the problems of large resistance and increased energy loss when the turbulent flow or turbulent flow enters the propulsion device are solved.
Description
Technical Field
The invention belongs to the field of aerodynamic boats, and particularly relates to a marine noise reduction and efficiency improvement device arranged at the top of a cabin of an aerodynamic boat and an aerodynamic boat with the marine noise reduction and efficiency improvement device.
Background
An aerodynamic boat (Airboat) may also be interpreted as an air propelled boat or an air propeller yacht. The aerodynamic boat generally uses an internal combustion engine as power to drive a propeller to rotate to generate driving force, and a control lever is used for driving a steering rudder to control the advancing direction, and the aerodynamic boat generally comprises a boat body, an operation rudder, a seat, an engine, a transmission system, a propeller, a steering rudder and the like; the aerodynamic boat serving as a carrying tool for running on a water surface or a wetland area has wide foundation in many countries in Europe and America regardless of design, manufacture and application, and particularly can run in various environments where conventional vehicles and ships cannot run, such as water surfaces, snowfields, ice surfaces, deserts, marshes and the like in a plurality of fields of disaster relief, rescue, field operation, exploration, wetland exploration, environment-friendly operation, tour and sightseeing and the like.
In the structure of the existing aerodynamic boat, due to the modeling of the boat and the requirement of space, a cabin higher than the boat body is formed in the middle of the boat body, a certain distance is reserved between the cabin and a propulsion steering system of the aerodynamic boat, the cabin causes the air entering between propellers of the aerodynamic boat to have turbulence or turbulent flow, the resistance is large, the energy loss is increased, and the propulsion efficiency is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention designs a marine noise reduction and efficiency improvement device arranged at the top of a cabin and an aerodynamic boat with the marine noise reduction and efficiency improvement device.
The technical scheme of the invention is as follows:
marine noise reduction and efficiency improvement device is characterized in that: the device comprises a connecting part connected with the cabin and a streamline fairing body fixed on the connecting part, wherein the fairing body is used for improving turbulent flow or turbulent flow between the cabin and the thrust steering device.
Further, the connecting portion include the connecting plate, be equipped with two fasteners on the connecting plate at least, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of connecting plate.
Further, the connecting portion include the connecting plate, the below of connecting plate is equipped with the tie coat, falls to make an uproar through the tie coat and carries the effect device to fix at the top in cabin with marine, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of tie coat.
Further, the fairing body comprises a front tip, a highest ridge back and a tail tip, wherein the front tip is in streamline transition to the ridge and extends to the tail tip.
Further, the distance between the tail tip and the dorsal ridge is smaller than the distance between the front tip and the dorsal ridge.
The utility model provides an aerodynamic force ship, includes the hull, has the cabin on the hull, is equipped with aerodynamic device, its characterized in that on the hull behind the cabin: the top of cabin be equipped with three marine noise reduction at least and carry and imitate the device, marine noise reduction is carried and is imitated the device and is included the connecting portion of being connected with the cabin, still including fixing the streamlined fairing body on connecting portion, the fairing body is used for improving the turbulent flow or the turbulent flow between cabin and the air ship power device.
Further, the connecting portion include the connecting plate, be equipped with two fasteners on the connecting plate at least, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of connecting plate.
Further, the connecting portion include the connecting plate, the below of connecting plate is equipped with the tie coat, falls to make an uproar through the tie coat and carries the effect device to fix at the top in cabin with marine, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of tie coat.
Further, the fairing body comprises a front tip, a highest ridge back and a tail tip, wherein the front tip is in streamline transition to the ridge and extends to the tail tip.
Furthermore, seven noise reduction and efficiency improvement devices for the ship are arranged on the top of the cabin in parallel.
In conclusion, the invention has the following beneficial effects:
1. the invention designs a noise reduction and efficiency improvement device for a ship, which is arranged at the rear section of the top of a cabin and used for injecting new energy into airflow of a boundary layer, so that the airflow is still smooth laminar flow after flowing out of the top of the cabin and can smoothly enter a propulsion device, the propulsion efficiency of the propulsion device is improved, and the problem that the resistance is large and the energy loss is increased when the turbulent flow or turbulent flow enters the propulsion device is solved.
2. The invention designs a noise reduction and efficiency improvement device for a ship, which is arranged at the rear end of the top of a cabin and used for injecting new energy into airflow of a boundary layer, so that the airflow is still smooth laminar flow after flowing out of the top of the cabin, and turbulence or turbulent flow formed behind the cabin is reduced or weakened, thereby reducing the collision of the airflow on the cabin, reducing the generation of noise and having good noise reduction effect.
Drawings
FIG. 1 is a schematic structural view of an aerodynamic boat;
FIG. 2 is a perspective view of a noise reduction and efficiency improvement device for a ship;
FIG. 3 is a schematic top view of a noise reduction and efficiency improvement device for a ship;
FIG. 4 is a schematic cross-sectional view of a noise reduction and efficiency improvement device for a ship;
FIG. 5 is another schematic cross-sectional view of a noise reduction and efficiency improvement device for a ship;
FIG. 6 is a flow field analysis diagram of a noise reduction and efficiency improvement device for a ship without being installed under CFD simulation;
FIG. 7 is a flow field analysis diagram of a noise reduction and efficiency improvement device for a ship under CFD simulation;
in the figure, 1 is a connecting part, 2 is a fairing body, 10 is a connecting plate, 11 is a fastening piece, 12 is a bonding layer,
20 is a front end tip, 21 is a back ridge, 22 is a back end tip, 3 is a ship body, 30 is a cabin, 31 is an aerodynamic device, and 4 is a noise reduction and efficiency improvement device for the ship.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Noise reduction and efficiency improvement device for ship
Referring to fig. 2 to 5, the noise reduction and efficiency improvement device for the ship is characterized in that: the device comprises a connecting part 1 connected with a cabin and a streamline fairing body 2 fixed on the connecting part 1, wherein the fairing body is used for improving turbulent flow or turbulent flow between the cabin and a thrust steering device.
The top of the aerodynamic boat in the prior art is a plane, during the movement, the air flow rubs against the top of the cabin, the air flow can easily form turbulence behind the cabin of the ship, the proportion of the wind resistance of the general careful high-speed boat is about 5% -10% of the total resistance, the propulsion fluid is mainly water, therefore, the influence of the air flow is small, but for the aerodynamic boat, the propulsion fluid is air, and a general air propeller is arranged behind the cabin, if the air flow at the position is turbulence; the turbulent flow, will influence the performance of ship so greatly, the event has designed marine noise reduction and has carried the effect device, especially be used for the aerodynamic force ship, connecting portion are used for being connected with the cabin, the fairing body gives new energy to the air current at the cabin top of flowing through, avoid the air current at the cabin rear, form the torrent before the air screw, the turbulent flow, thereby reduced the influence of air current change to aerodynamic force ship propulsion efficiency, the propulsive efficiency has been promoted, the extinction of torrent or turbulent flow, the collision of air current with the cabin has been avoided, also effectively reduced the wind noise of aerodynamic force ship operation in-process, the noise also obtains reducing.
Further, connecting portion 1 include connecting plate 10, be equipped with two fasteners 11 on the connecting plate 10 at least, the inward flange of the fairing body 2 is connected with the outward flange of connecting plate, and the lower limb of the fairing body 2 and the lower surface parallel and level of connecting plate, here realizes being connected of connecting portion and cabin through the fastener, and prescribes a limit to the connected mode of the fairing body and connecting plate, has guaranteed the laminating of fairing body and cabin top surface.
Furthermore, another connection mode of the connecting part is provided, the connecting part 1 comprises a connecting plate 10, a bonding layer 12 is arranged below the connecting plate 10, the marine noise reduction effect-improving device is fixed at the top of the cabin through the bonding layer 12, the inner edge of the fairing body 2 is connected with the outer edge of the connecting plate, the lower edge of the fairing body is flush with the lower surface of the bonding layer, the lower edge of the fairing body and the lower surface structure of the bonding layer are limited, and when the connecting part is fixed at the top of the cabin, the lower edge of the fairing body and the lower surface structure of the bonding layer can be attached to the surface of the cabin.
Further, the fairing body 2 comprises a front end tip portion 20, a highest ridge back portion 21 and a tail end tip portion 22, the front end tip portion 20 is in streamline transition to the ridge back portion 21, and the flow line extends to the tail end tip portion 22, the appearance of the fairing body is limited, in order to reduce resistance between the fairing body and fluid, the whole surface is in streamline modeling design, the front tip portion is not easy to bulge particularly, the ridge back portion is arched upwards, and air flow is cut in.
Further, the distance between the tail tip 22 and the back ridge 21 is smaller than the distance between the front tip 20 and the back ridge 21, the distance between the back ridge and the front tip is used for cutting the airflow, a longer length is required, and the distance between the back ridge and the tail tip is not too long easily after the airflow passes through the back ridge and is effectively separated.
Aerodynamic boat
Referring to fig. 1, an aerodynamic boat includes a hull 3, a cabin 30 is provided on the hull, and an aerodynamic device 31 is provided on the hull behind the cabin 30, which is characterized in that: the top of the cabin 30 is at least provided with three marine noise reduction and efficiency improvement devices 4, each marine noise reduction and efficiency improvement device 4 comprises a connecting part 1 connected with the cabin 30 and a streamlined fairing body 2 fixed on the connecting part 1, and the fairing body is used for improving turbulence between the cabin and the air boat power device.
The air power boat adopts air fluid as a power source, air flows through the top of a cabin and enters a propeller of the air power device, the propeller rotates to push the air to move backwards to generate forward thrust, the air current flows from the front of the cabin to the back of the cabin through the upper surface of the cabin, and during the period, because the altitude difference exists between the cabin and a ship body, laminar flow is destroyed, wavy swing is formed between the air power device and the cabin, sliding and mixing occur in layer Liujia, irregular movement occurs, turbulence is formed, the air current resistance is large, the capacity loss is increased, the work efficiency of the propeller of the air power device is influenced, and then the propulsion efficiency is influenced, so the noise reduction effect improving device is required to be arranged, the disordered movement of the layer Liujia can be effectively delayed, and the air current becomes smooth, the resistance of the airflow entering the air power device is reduced, and the propelling efficiency is improved.
Further, the connecting portion 1 includes a connecting plate 10, at least two fasteners 11 are disposed on the connecting plate 10, the inner edge of the fairing body 2 is connected with the outer edge of the connecting plate, and the lower edge of the fairing body 2 is flush with the lower surface of the connecting plate.
Furthermore, another connection mode of the connecting part is provided, the connecting part 1 comprises a connecting plate 10, a bonding layer 12 is arranged below the connecting plate 10, the marine noise reduction and efficiency improvement device is fixed at the top of the cabin through the bonding layer 12, the inner edge of the fairing body 2 is connected with the outer edge of the connecting plate, and the lower edge of the fairing body is flush with the lower surface of the bonding layer.
Further, the fairing body 2 comprises a front end tip portion 20, a highest ridge back portion 21 and a tail end tip portion 22, the front end tip portion 20 is in streamline transition to the ridge back portion 21, and the flow line extends to the tail end tip portion 22, the appearance of the fairing body is limited, in order to reduce resistance between the fairing body and fluid, the whole surface is in streamline modeling design, the front tip portion is not easy to bulge particularly, the ridge back portion is arched upwards, and air flow is cut in.
Further, the distance between the tail tip 22 and the back ridge 21 is smaller than the distance between the front tip 20 and the back ridge 21, the distance between the back ridge and the front tip is used for cutting the airflow, a longer length is required, and the distance between the back ridge and the tail tip is not too long easily after the airflow passes through the back ridge and is effectively separated.
Furthermore, seven noise reduction and efficiency improvement devices for the ship are arranged on the top of the cabin 30 in parallel.
Fig. 6 and 7 are flow field analyses of the aerodynamic boat without the marine noise reduction and efficiency improvement device and the aerodynamic boat with the marine noise reduction and efficiency improvement device in the CFD simulation, respectively, and it can be known from simulation result analysis that: after the noise-reducing effect-improving cosmetic for the ship is additionally arranged, the turbulence behind the cabin is obviously improved, the airflow before entering the propeller is smooth, and model wind resistance is calculated, so that the resistance is reduced by about 3.33-5%.
In conclusion, the invention has the following beneficial effects:
1. the invention designs a noise reduction and efficiency improvement device for a ship, which is arranged at the rear section of the top of a cabin and used for injecting new energy into airflow of a boundary layer, so that the airflow is still smooth laminar flow after flowing out of the top of the cabin and can smoothly enter a propulsion device, the propulsion efficiency of the propulsion device is improved, and the problem that the resistance is large and the energy loss is increased when the turbulent flow or turbulent flow enters the propulsion device is solved.
2. The invention designs a noise reduction and efficiency improvement device for a ship, which is arranged at the rear end of the top of a cabin and used for injecting new energy into airflow of a boundary layer, so that the airflow is still smooth laminar flow after flowing out of the top of the cabin, and turbulence or turbulent flow formed behind the cabin is reduced or weakened, thereby reducing the collision of the airflow on the cabin, reducing the generation of noise and having good noise reduction effect.
Claims (10)
1. Marine noise reduction and efficiency improvement device is characterized in that: the device comprises a connecting part connected with the cabin and a streamline fairing body fixed on the connecting part, wherein the fairing body is used for improving turbulent flow or turbulent flow between the cabin and the thrust steering device.
2. The marine noise reduction and efficiency improvement device of claim 1, wherein: the connecting part comprises a connecting plate, at least two fasteners are arranged on the connecting plate, the inner edge of the fairing body is connected with the outer edge of the connecting plate, and the lower edge of the fairing body is flush with the lower surface of the connecting plate.
3. The marine noise reduction and efficiency improvement device of claim 1, wherein: the connecting portion include the connecting plate, the below of connecting plate is equipped with the tie coat, falls to make an uproar through the tie coat and carry the effect device to fix at the top in cabin with marine, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of tie coat.
4. A marine noise reduction and efficiency improvement device according to any one of claims 1 to 3, characterized in that: the fairing body comprises a front-end tip part, a highest ridge back part and a tail-end tip part, wherein the front-end tip part is in streamline transition to the ridge part and extends to the tail-end tip part along a line.
5. The marine noise reduction and efficiency improvement device of claim 4, wherein: the distance between the tail tip and the back ridge part is smaller than the distance between the front tip and the back ridge part.
6. The utility model provides an aerodynamic force ship, includes the hull, has the cabin on the hull, is equipped with aerodynamic device, its characterized in that on the hull behind the cabin: the top of cabin be equipped with three marine noise reduction at least and carry and imitate the device, marine noise reduction is carried and is imitated the device and is included the connecting portion of being connected with the cabin, still including fixing the streamlined fairing body on connecting portion, the fairing body is used for improving the turbulent flow or the turbulent flow between cabin and the air ship power device.
7. An aerodynamic boat according to claim 6, wherein: the connecting part comprises a connecting plate, at least two fasteners are arranged on the connecting plate, the inner edge of the fairing body is connected with the outer edge of the connecting plate, and the lower edge of the fairing body is flush with the lower surface of the connecting plate.
8. An aerodynamic boat according to claim 6, wherein: the connecting portion include the connecting plate, the below of connecting plate is equipped with the tie coat, falls to make an uproar through the tie coat and carry the effect device to fix at the top in cabin with marine, the inward flange of the fairing body is connected with the outward flange of connecting plate, and the lower limb of the fairing body and the lower surface parallel and level of tie coat.
9. An aerodynamic boat according to claim 6, wherein: the fairing body comprises a front-end tip part, a highest ridge back part and a tail-end tip part, wherein the front-end tip part is in streamline transition to the ridge part and extends to the tail-end tip part along a line.
10. An aerodynamic boat according to claim 6, wherein: seven noise reduction and efficiency improvement devices for the ship are arranged at the top of the cabin in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559115.4A CN113071644A (en) | 2021-05-21 | 2021-05-21 | Marine noise reduction and efficiency improvement device and aerodynamic boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559115.4A CN113071644A (en) | 2021-05-21 | 2021-05-21 | Marine noise reduction and efficiency improvement device and aerodynamic boat |
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| Publication Number | Publication Date |
|---|---|
| CN113071644A true CN113071644A (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110559115.4A Pending CN113071644A (en) | 2021-05-21 | 2021-05-21 | Marine noise reduction and efficiency improvement device and aerodynamic boat |
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| CN (1) | CN113071644A (en) |
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| CN104325850A (en) * | 2013-07-22 | 2015-02-04 | 孙学文 | Novel snowfield ship |
| CN105711790A (en) * | 2016-01-27 | 2016-06-29 | 抚顺抚运安仪救生装备有限公司 | Air boat |
| CN106573668A (en) * | 2014-07-23 | 2017-04-19 | 陈尧励 | High speed triangular shaped hydroplaning monohull craft with aircraft-like control surfaces having surface adhesion hull characteristics |
| KR101803439B1 (en) * | 2016-10-13 | 2017-11-30 | 코리아터빈 주식회사 | Forward Noise Reduction Device of Air-Cushion Vehicle |
| CN109178282A (en) * | 2018-10-10 | 2019-01-11 | 常州玻璃钢造船厂有限公司 | A kind of novel air power-driven light boat |
| RU2744065C1 (en) * | 2020-06-16 | 2021-03-02 | Антон Александрович Шайхутдинов | Method for reducing hydrodynamic resistance of vessel housing bottom driven by air propeller and device for carrying out said method |
| CN112793752A (en) * | 2021-02-26 | 2021-05-14 | 金誉(深圳)新科技有限公司 | Underwater propeller with protective structure |
| CN216805778U (en) * | 2021-05-21 | 2022-06-24 | 常州玻璃钢造船厂有限公司 | Marine noise reduction and efficiency improvement device and aerodynamic boat |
-
2021
- 2021-05-21 CN CN202110559115.4A patent/CN113071644A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095680A (en) * | 1993-05-22 | 1994-11-30 | 杨亚黎 | Air-driving flying boat on water |
| US20050194196A1 (en) * | 2003-11-12 | 2005-09-08 | Mattel, Inc. | Hovercraft |
| CN102642614A (en) * | 2012-05-11 | 2012-08-22 | 中国航空工业集团公司西安飞机设计研究所 | Self-adaptive adjustable low-resistance fairing |
| CN203228602U (en) * | 2012-12-24 | 2013-10-09 | 孙学军 | Amphibious snow ship |
| CN104325850A (en) * | 2013-07-22 | 2015-02-04 | 孙学文 | Novel snowfield ship |
| CN106573668A (en) * | 2014-07-23 | 2017-04-19 | 陈尧励 | High speed triangular shaped hydroplaning monohull craft with aircraft-like control surfaces having surface adhesion hull characteristics |
| CN105711790A (en) * | 2016-01-27 | 2016-06-29 | 抚顺抚运安仪救生装备有限公司 | Air boat |
| KR101803439B1 (en) * | 2016-10-13 | 2017-11-30 | 코리아터빈 주식회사 | Forward Noise Reduction Device of Air-Cushion Vehicle |
| CN109178282A (en) * | 2018-10-10 | 2019-01-11 | 常州玻璃钢造船厂有限公司 | A kind of novel air power-driven light boat |
| RU2744065C1 (en) * | 2020-06-16 | 2021-03-02 | Антон Александрович Шайхутдинов | Method for reducing hydrodynamic resistance of vessel housing bottom driven by air propeller and device for carrying out said method |
| CN112793752A (en) * | 2021-02-26 | 2021-05-14 | 金誉(深圳)新科技有限公司 | Underwater propeller with protective structure |
| CN216805778U (en) * | 2021-05-21 | 2022-06-24 | 常州玻璃钢造船厂有限公司 | Marine noise reduction and efficiency improvement device and aerodynamic boat |
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