CN108750095A - A kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts - Google Patents
A kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts Download PDFInfo
- Publication number
- CN108750095A CN108750095A CN201810550468.6A CN201810550468A CN108750095A CN 108750095 A CN108750095 A CN 108750095A CN 201810550468 A CN201810550468 A CN 201810550468A CN 108750095 A CN108750095 A CN 108750095A
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- China
- Prior art keywords
- wing
- ducted fan
- auxiliary
- compound auxiliary
- lift
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C9/00—Adjustable control surfaces or members, e.g. rudders
- B64C9/12—Adjustable control surfaces or members, e.g. rudders surfaces of different type or function being simultaneously adjusted
Abstract
The present invention is a kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts, which is characterized in that is made of rear single-screw paddle composite wing aircraft and the compound auxiliary wing of ducted fan thrust self energizing for being assemblied in its wing both sides；Wherein, rear single-screw paddle composite wing aircraft includes body, is fixedly mounted on body both sides hybrid lift wing, propeller；Wherein, wherein body is set as deck platform；Self-enclosed ducted fan built in hybrid lift wing, hybrid lift wing outside are designed with wing hinge；Propeller is screw propeller.The present invention not only has landing apart from short, flying speed is fast, wing structure intensity is high, wing can with energy storage, flight low energy consumption, the hang time is long the features such as, the auxiliary wing uses hybrid lift, ensure the accommodation of power, the hybrid lift wing of large area simultaneously, it can play the role of aerodone under case of emergency, greatly improve the safety of aircraft, the safety of support personnel and goods and materials.
Description
Technical field
The present invention relates to a kind of aircraft, the rear single-blade formula composite wing shipping of specifically a kind of double compound auxiliary wings of duct thrust
Aircraft belongs to aircraft equipment technology field.
Background technology
Existing aircraft is broadly divided into fixed-wing and vertically taking off and landing flyer（Such as helicopter and more rotors）Two major classes.When
So also there is this product of VTOL fixed-wing.Traditional fixed-wing have the advantages that flying speed is fast, low energy consumption, but have
It is not connected to before and after main wing and tailplane, wing structure intensity is not high, is easily damaged, and landing requires high, landing distance disadvantage；
Traditional vertically taking off and landing flyer has the advantages that landing is convenient, but has that energy consumption is big, safety coefficient is low, and load capacity is poor, water
Flat flying speed is slow, is easy the shortcomings of air crash；Although current VTOL fixed-wing has the characteristics that landing is convenient, but in water
The shortcomings of controllability when flat flight is not satisfactory, and that there is flight resistances is big, and energy consumption is high, and safety coefficient is not still high.
Invention content
In view of the above-mentioned problems of the prior art, the present invention not only has landing apart from short, flying speed is fast, wing knot
Structure intensity height, wing can be with energy storage, the features such as low energy consumption, the hang time is long of flying, the hybrid lift wing of large area, feelings of meeting an urgent need
It can play the role of aerodone under condition, greatly improve the safety of aircraft, the safety of support personnel and goods and materials.
To achieve the goals above, the present invention by rear single-screw paddle composite wing aircraft and is movably arranged on hybrid lift
The compound auxiliary wing composition of ducted fan thrust self energizing of aircraft both sides；Wherein, rear single-screw paddle composite wing aircraft includes
Body is fixedly mounted on body both sides hybrid lift wing, propeller；Wherein, body is set as deck platform；Hybrid lift machine
Self-enclosed ducted fan built in the wing, hybrid lift wing outside are designed with wing hinge；Ducted fan thrust self energizing is compound auxiliary
The front end of the wing is provided with ducted fan propeller, and the compound auxiliary wing of ducted fan thrust self energizing is internally provided with self-enclosed duct
The one or both sides of fan, the compound auxiliary wing of ducted fan thrust self energizing are provided with electro-hydraulic gas interface and wing hinge, and pass through
Wing hinge is flexibly connected with hybrid lift wing.Shipping storehouse is mounted on mounted on the lower section of body.
Further, propeller is a variety of dynamic structures such as electric propeller, the dynamic propeller of oil.
Further, hybrid lift wing front and back are respectively set to magnetic-type self interlocking interface male connector and magnetic-type automatic
Mutual lock interface female；Magnetic-type self interlocking interface male connector is identical as magnetic-type self interlocking interface female size.
Further, magnetic-type self interlocking interface male connector and magnetic-type self interlocking interface female are taper connection
Further, hybrid lift wing can be divided into two parts of lift main wing and balance empennage, be separately positioned on hybrid lift
The front and back of wing；It is reserved with space between lift main wing and balance empennage, the horizontal lifting rudder wing is provided in space；Wherein,
At least there are one self-enclosed ducted fans for installation inside lift main wing.
Further, further include vertical tail, the vertical tail is arranged above or below body；The vertical tail is set
It sets in wing both sides；The vertical tail may be implemented to fold；Mobilizable vertical rudder wing is installed behind the vertical tail.
Further, body is installed with cavity, and installation diagram passes, flies the modules such as control, driving in cavity.
Further, the compound auxiliary wing of ducted fan thrust self energizing can be divided into the auxiliary wing of lift and auxiliary two portions of empennage of balance
Point, it is separately positioned on the front and back of the compound auxiliary wing of ducted fan thrust self energizing；Wherein, at least it is equipped with one inside the auxiliary wing of lift
A self-enclosed ducted fan.
Further, engine installation position, engine installation position are additionally provided on the compound auxiliary wing of ducted fan thrust self energizing
Inside it is provided with power plant.
Further, it is provided with battery/fuel on the compound auxiliary wing of ducted fan thrust self energizing.
The prior art is compared, the main feature having is invented：
1. the present invention has landing apart from short, flying speed is fast, maneuverability, avoidance ability are strong, wing structure intensity is high, machine
The wing can be with energy storage, the features such as low energy consumption of flying.Self-enclosed vertical ducted fan is relied on, aircraft can be provided in horizontal flight
Additional maneuverability, realize moment change of flight posture and track super maneuver ability.
2. the auxiliary wing of modularization ducted fan drive-in hybrid lift of the present invention uses hybrid lift, i.e., existed by design
Self-enclosed ducted fan in aerofoil generates the lift that lift and the auxiliary wing of lift are generated in horizontal flight, compound to be formed
Lift.
3. the Waverider wing that the present invention is very large, can play the role of certain paraglider, gravity acceleration is substantially reduced
Degree greatly improves safety coefficient, coordinates the control function of the hydroplane wing and the vertical rudder wing and the aerofoil envelope of self-enclosed ducted fan
Function is closed, even if lift ducted fan and horizontal propeller can realize that aerodone formula is force-landed if damage simultaneously, is greatly improved
The safety of aircraft has ensured the safety of personnel and goods and materials.
4. the present invention can realize multiple functions using hardware and software platform, modularized design,
5. the present invention using both sides wing can Expanding design, wing area can be expanded when necessary, improve the standard flight when
Lift, improve load capacity.
6. the present invention also has successive socket, the cluster of aircraft is facilitated to fly, further decreases cluster flight
When power consumption.In front and back serial connection, the aircraft at rear only needs a small amount of energy expenditure, can be achieved with flying for long range
Row, not the cluster flight of only aircraft provide the low-power consumption scheme of clustering, it might even be possible to realize the sky between aircraft
Middle rescue, i.e., before aircraft the dragging of faulty aircraft below is taken off, realize and mutually come to sb.'s rescue between aircraft not seen before
Help phenomenon.
7. can pass through between the auxiliary wing of modularization ducted fan drive-in hybrid lift and hybrid lift aircraft of invention
Wing hinge and electro-hydraulic gas interface are attached, and are controlled by hybrid lift aircraft main control unit, and can be by battery/combustion of aerofoil
The energy transmissions such as material give aircraft host, improve the flight time.The multiplication of performance may be implemented by the auxiliary wing of superimposion lift.
Modular design reduces the disposable input of client, reduces buying and operation cost.
8. the modularization auxiliary wing of ducted fan drive-in hybrid lift of the present invention is in parallel with the auxiliary wing of other hybrid lifts,
And be attached by wing hinge and electro-hydraulic gas interface, it is synchronous to be controlled by hybrid lift aircraft main control unit, it expands again
And the energy transmissions such as battery/fuel of aerofoil can be given to aircraft host, improve the flight time.
9. thrust device modularization can very easily realize that repair is replaced.
10. in the present invention, auxiliary wing one or both sides are provided with electro-hydraulic gas interface, realize the auxiliary wing and fly with hybrid lift
Energy intercommunication between device main plane, and action is controlled by hybrid lift aircraft, improves the flexibility of complete machine.
11. the auxiliary wing is also built-in with the horizontal lifting rudder wing, improves complete machine and manipulate agility！
12. aerofoil type energy device, efficiently uses space.
13. the present invention uses modularized design, compound different types of machines to use, cost has been saved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the rearview of the present invention；
Fig. 4 is the plan view of the present invention；
Fig. 5 is the oblique view of the present invention；
In figure：101：Body；102：Hybrid lift wing；104：Self-enclosed ducted fan；105：Vertical tail；1051. vertical
The rudder wing；106：Propeller；107：Energy Management System；1021：Lift main wing；1022：The horizontal lifting rudder wing；1023：Balance tail
The wing；1028：Wing hinge；1001：Socket；1002：Cavity；1003：Mounting hole；1006：Battery/fuel；108：Video camera；
1026：Magnetic-type self interlocking interface male connector；1027：Spill series connection seat；1031, the compound auxiliary wing of ducted fan thrust self energizing；
10311, the auxiliary wing of lift；10312, auxiliary empennage is balanced；1036, electro-hydraulic gas interface；10361, lid；111, engine installation position；
1063, ducted fan propeller；113, shipping storehouse.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, a kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts, by rear list
The compound rotor aircraft of propeller type and the compound auxiliary wing composition of the ducted fan thrust self energizing for being assemblied in its wing both sides；
Wherein, the rear single-screw paddle composite wing aircraft includes body 101, to be fixedly mounted on 101 both sides of body compound
Lifting wing 102, propeller 106；Wherein, wherein the body 101 is set as deck platform；The hybrid lift machine
Self-enclosed ducted fan 104 built in the wing 102,102 outside of hybrid lift wing are designed with wing hinge 1028；
The front end of the compound auxiliary wing of ducted fan thrust self energizing is provided with ducted fan propeller 1063, the confession of ducted fan thrust
Can the compound auxiliary wing be internally provided with self-enclosed ducted fan 104, the side of the compound auxiliary wing of ducted fan thrust self energizing or
Both sides are provided with electro-hydraulic gas interface 1036 and wing hinge 1028, and are lived by wing hinge 1028 and hybrid lift wing 102
Dynamic connection, wherein the electro-hydraulic gas interface 1036 carries lid 10361.
Shipping storehouse 113 is mounted on the lower section of body.
As further improvement of the invention, propeller 106 is a variety of power knots such as electric propeller, the dynamic propeller of oil
Structure.
As further improvement of the invention, 102 front and back of hybrid lift wing are respectively set to magnetic-type self interlocking
Interface male connector 1026 and magnetic-type self interlocking interface female 1027；The magnetic-type self interlocking interface male connector 1026 and magnetic
Suction self interlocking interface 1027 sizes of female are identical.
As further improvement of the invention, magnetic-type self interlocking interface male connector 1026 and magnetic-type self interlocking interface
Female 1027 is taper connection,
As further improvement of the invention, hybrid lift wing 102 can be divided into lift main wing 1021 and balance empennage 1023
Two parts, are separately positioned on the front and back of hybrid lift wing 102；Wherein, at least it is equipped with one inside lift main wing 1021
A self-enclosed ducted fan 104.
Further include vertical tail 105 as further improvement of the invention, the vertical tail 105 is arranged in body 101
Above or below；The vertical tail 105 is arranged in wing both sides；The vertical tail 105 may be implemented to fold；It is described vertical
Mobilizable vertical rudder wing 1051 is installed behind empennage 105.
Improved as of the invention further, body 101 is installed with cavity 1002, in cavity 1002 installation diagram pass, fly control,
The modules such as driving.
It is improved as of the invention further, the compound auxiliary wing of ducted fan thrust self energizing can be divided into the auxiliary wing of lift 10311
And auxiliary 10,312 two parts of empennage of balance, it is separately positioned on the front and back of the compound auxiliary wing of ducted fan thrust self energizing；Lift
It is reserved with space between the auxiliary wing 10311 and the auxiliary empennage of balance 10312, the horizontal lifting rudder wing 1022 is provided in space；Wherein, it rises
At least there are one self-enclosed ducted fans 104 for installation inside the auxiliary wing of power 10311.
As further improvement of the invention, engine installation is additionally provided on the compound auxiliary wing of ducted fan thrust self energizing
Position 111 is provided with power plant in engine installation position 111.
As further improvement of the invention, battery/fuel is provided on the compound auxiliary wing of ducted fan thrust self energizing
1006。
The prior art is compared, the main feature having is invented：
1. the present invention has landing apart from short, flying speed is fast, maneuverability, avoidance ability are strong, wing structure intensity is high, machine
The wing can be with energy storage, the features such as low energy consumption of flying.Self-enclosed vertical ducted fan is relied on, aircraft can be provided in horizontal flight
Additional maneuverability, realize moment change of flight posture and track super maneuver ability.
2. the auxiliary wing of modularization ducted fan drive-in hybrid lift of the present invention uses hybrid lift, i.e., existed by design
Self-enclosed ducted fan in aerofoil generates the lift that lift and the auxiliary wing of lift are generated in horizontal flight, compound to be formed
Lift.
3. the Waverider wing that the present invention is very large, can play the role of certain paraglider, gravity acceleration is substantially reduced
Degree greatly improves safety coefficient, coordinates the control function of the hydroplane wing and the vertical rudder wing and the aerofoil envelope of self-enclosed ducted fan
Function is closed, even if lift ducted fan and horizontal propeller can realize that aerodone formula is force-landed if damage simultaneously, is greatly improved
The safety of aircraft has ensured the safety of personnel and goods and materials.
4. the present invention can realize multiple functions using hardware and software platform, modularized design,
5. the present invention using both sides wing can Expanding design, wing area can be expanded when necessary, improve the standard flight when
Lift, improve load capacity.
6. the present invention also has successive socket, the cluster of aircraft is facilitated to fly, further decreases cluster flight
When power consumption.In front and back serial connection, the aircraft at rear only needs a small amount of energy expenditure, can be achieved with flying for long range
Row, not the cluster flight of only aircraft provide the low-power consumption scheme of clustering, it might even be possible to realize the sky between aircraft
Middle rescue, i.e., before aircraft the dragging of faulty aircraft below is taken off, realize and mutually come to sb.'s rescue between aircraft not seen before
Help phenomenon.
7. can pass through between the auxiliary wing of modularization ducted fan drive-in hybrid lift and hybrid lift aircraft of invention
Wing hinge and electro-hydraulic gas interface are attached, and are controlled by hybrid lift aircraft main control unit, and can be by battery/combustion of aerofoil
The energy transmissions such as material give aircraft host, improve the flight time.The multiplication of performance may be implemented by the auxiliary wing of superimposion lift.
Modular design reduces the disposable input of client, reduces buying and operation cost.
8. the modularization auxiliary wing of ducted fan drive-in hybrid lift of the present invention is in parallel with the auxiliary wing of other hybrid lifts,
And be attached by wing hinge and electro-hydraulic gas interface, it is synchronous to be controlled by hybrid lift aircraft main control unit, it expands again
And the energy transmissions such as battery/fuel of aerofoil can be given to aircraft host, improve the flight time.
9. thrust device modularization can very easily realize that repair is replaced.
10. in the present invention, auxiliary wing one or both sides are provided with electro-hydraulic gas interface, realize the auxiliary wing and fly with hybrid lift
Energy intercommunication between device main plane, and action is controlled by hybrid lift aircraft, improves the flexibility of complete machine.
11. the auxiliary wing is also built-in with the horizontal lifting rudder wing, improves complete machine and manipulate agility！
12. aerofoil type energy device, efficiently uses space.
13. the present invention uses modularized design, compound different types of machines to use, cost has been saved.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment should all belong to the scope of the present invention.
Claims (9)
1. a kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts, which is characterized in that by rear single screw
The compound rotor aircraft of formula and the compound auxiliary wing composition of the ducted fan thrust self energizing for being assemblied in its wing both sides；
Wherein, the rear single-screw paddle composite wing aircraft includes body（101）, be fixedly mounted on body（101）Both sides
Hybrid lift wing（102）, propeller（106）；Wherein, wherein the body（101）It is set as deck platform；Described
Hybrid lift wing（102）Built-in self-enclosed ducted fan（104）, hybrid lift wing（102）Outside is designed with wing hinge
(1028)；Propeller（106）For screw propeller；
The front end of the compound auxiliary wing of ducted fan thrust self energizing is provided with ducted fan propeller（1063）, ducted fan
The compound auxiliary wing of thrust self energizing is internally provided with self-enclosed ducted fan（104）, the compound auxiliary wing of ducted fan thrust self energizing
One or both sides be provided with electro-hydraulic gas interface（1036）With wing hinge (1028), and by wing hinge (1028) with it is compound
Lifting wing（102）Flexible connection, wherein the electro-hydraulic gas interface（1036）With lid（10361）；
The compound auxiliary wing of ducted fan thrust self energizing can be divided into the auxiliary wing of lift（10311）And the auxiliary empennage of balance
（10312）Two parts are separately positioned on the front and back of the compound auxiliary wing of ducted fan thrust self energizing；Wherein, the auxiliary wing of lift
（10311）There are one self-enclosed ducted fans for internal at least installation（104）；
The shipping storehouse（113）Mounted on the lower section of body.
2. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, the propeller（106）For a variety of dynamic structures such as electric propeller, the dynamic propellers of oil.
3. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, the hybrid lift wing（102）Front and back are respectively set to magnetic-type self interlocking interface male connector（1026）With
Magnetic-type self interlocking interface female（1027）；The magnetic-type self interlocking interface male connector（1026）With magnetic-type automatic mutual
Lock interface female（1027）Size is identical.
4. wanting a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust described in 3, feature according to right
It is, the magnetic-type self interlocking interface male connector（1026）With magnetic-type self interlocking interface female（1027）Connect for taper
It connects.
5. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, further includes vertical tail（105）, the vertical tail（105）It is arranged in body（101）Above or below；It is described to hang down
Straight tail（105）It is arranged in wing both sides；The vertical tail（105）It may be implemented to fold；The vertical tail（105）Below
Mobilizable vertical rudder wing is installed（1051）.
6. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, the body（101）It is installed with cavity（1002）, cavity（1002）Interior installation diagram passes, flies the modules such as control, driving.
7. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is that the compound auxiliary wing of ducted fan thrust self energizing can be divided into the auxiliary wing of lift（10311）And the auxiliary empennage of balance
（10312）Two parts are separately positioned on the front and back of the compound auxiliary wing of ducted fan thrust self energizing；The auxiliary wing of lift（10311）
With the auxiliary empennage of balance（10312）Between be reserved with space, the horizontal lifting rudder wing is provided in space（1022）；Wherein, lift is auxiliary
The wing（10311）There are one self-enclosed ducted fans for internal at least installation（104）.
8. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, engine installation position is additionally provided on the compound auxiliary wing of ducted fan thrust self energizing（111）, engine installation
Position（111）Inside it is provided with power plant.
9. a kind of rear single-blade formula composite wing airfreighter of double compound auxiliary wings of duct thrust according to claim 1, special
Sign is, battery/fuel is provided on the compound auxiliary wing of ducted fan thrust self energizing（1006）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550468.6A CN108750095A (en) | 2018-05-31 | 2018-05-31 | A kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550468.6A CN108750095A (en) | 2018-05-31 | 2018-05-31 | A kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108750095A true CN108750095A (en) | 2018-11-06 |
Family
ID=64001515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550468.6A Pending CN108750095A (en) | 2018-05-31 | 2018-05-31 | A kind of rear single-blade formula composite wing airfreighter of the compound auxiliary wing of double duct thrusts |
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| CN (1) | CN108750095A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU140653U1 (en) * | 2014-02-26 | 2014-05-20 | Общество с ограниченной ответственностью "ДиалКом" | VERTICAL TAKEOFF FLIGHT VEHICLE |
| CN205131649U (en) * | 2015-10-30 | 2016-04-06 | 佛山市神风航空科技有限公司 | Multi -axis aircraft |
| CN206012959U (en) * | 2016-09-08 | 2017-03-15 | 朗星无人机系统有限公司 | A kind of how culvert vertical take-off and landing unmanned machine |
| CN107813929A (en) * | 2016-09-11 | 2018-03-20 | 郎风 | Combined type dalta wing duct aircraft |
-
2018
- 2018-05-31 CN CN201810550468.6A patent/CN108750095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU140653U1 (en) * | 2014-02-26 | 2014-05-20 | Общество с ограниченной ответственностью "ДиалКом" | VERTICAL TAKEOFF FLIGHT VEHICLE |
| CN205131649U (en) * | 2015-10-30 | 2016-04-06 | 佛山市神风航空科技有限公司 | Multi -axis aircraft |
| CN206012959U (en) * | 2016-09-08 | 2017-03-15 | 朗星无人机系统有限公司 | A kind of how culvert vertical take-off and landing unmanned machine |
| CN107813929A (en) * | 2016-09-11 | 2018-03-20 | 郎风 | Combined type dalta wing duct aircraft |
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Application publication date: 20181106 |
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