CN107672802A - Fluting culvert type plume rotor craft - Google Patents
Fluting culvert type plume rotor craft Download PDFInfo
- Publication number
- CN107672802A CN107672802A CN201711000170.XA CN201711000170A CN107672802A CN 107672802 A CN107672802 A CN 107672802A CN 201711000170 A CN201711000170 A CN 201711000170A CN 107672802 A CN107672802 A CN 107672802A
- Authority
- CN
- China
- Prior art keywords
- fluting
- duct
- plume
- rotor
- driftage
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000011835 investigation Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000012913 prioritisation Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/16—Drive of rotors by means, e.g. propellers, mounted on rotor blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/13—Propulsion using external fans or propellers
- B64U50/14—Propulsion using external fans or propellers ducted or shrouded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to one kind fluting culvert type plume rotor craft, include fluting duct, plume rotor, support beam, driftage rudder face, telescopic magic hand and undercarriage, wherein, plume rotor is main lift structure, fluting duct is auxiliary lifting structure, this combining form not only can largely improve the lift of aircraft, and will not produce reaction torque.Culvert type plume rotor craft of slotting is very flexible, can perform relevant aerial mission, such as transport small article or execution monitoring investigation tasks separately as a module.
Description
Technical field
The invention belongs to technical field of aerospace, relates generally to a kind of fluting culvert type plume rotor craft.
Background technology
In general fan rotor aircraft can be rotated by the high speed of aerofoil profile leading edge cross flow fan, make to produce inside cross flow fan
Larger low pressure whirlpool, so as to produce larger pressure difference in aerofoil profile leading edge upper and lower surface so that fan wing flight can produce in low speed
It is raw to produce thrust compared with lift, and to trailing edge discharge air-flow.And plume rotor is different from common fan rotor aircraft, what it was used
It is rotation fan wing layout, and cross flow fan is driven using power set.Due to the fan wing, in low speed, can provides very
Big lift and the thrust advanced, therefore, under the driving without extra power, whole plume rotor can be realized as rotation.
The difference maximum with common rotor of plume rotor is that its rotor is rotation, it is not necessary to takes some related measures to put down
Weigh reaction torque, reduces many transmission devices so that structure is simpler, and weight is mitigated.Thriving type is fanned hardly to lose
Speed, so higher without the limitation of stalling angle, pneumatic efficiency.In addition, although plume rotor can carry out rotation, it with from
Switch rotor machine makes a big difference again.Autogyro needs external thrust device as the power to advance, it is necessary to has certain
Forward flight speed could realize the rotation of rotor, can not also realize hovering.And plume rotor craft does not need external device (ED)
Thrust is provided, and hovering can be realized.
In identical established angle, induced velocity caused by the rotor with duct is bigger than the induced velocity of isolated rotor,
So as to cause the actual angle of attack of blade in duct to reduce so that rotor thrust reduces, but duct can also produce a part of volume
Outer additional lift so that the total life of total is bigger than the lift of isolated rotor.So conjunction of duct body structure design
Whether manage the quality for being also directly connected to duct rotor overall performance.
The content of the invention
The technical problems to be solved by the invention are to be directed to the defects of involved in background technology, there is provided one kind fluting is contained
Road formula plume rotor craft.
The present invention uses following technical scheme to solve above-mentioned technical problem：
Fluting culvert type plume rotor craft, include fluting duct, plume rotor, support beam and driftage module；
The fluting duct is provided with the generation for being used to suppress blade tip whirlpool on its duct inwall, reduces the groove of tip loss；
The support beam includes connection ring and at least two support bars, wherein, the connection ring and the fluting duct are coaxial
Set；The support bar is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, the other end
It is fixedly linked with the inwall of the fluting duct；
The driftage module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes driftage rotating shaft, driftage rudder face and yaw control motor, wherein, described driftage rotating shaft one end and the company
Connect ring to be fixedly linked, the inwall of the other end and the fluting duct is fixedly linked；The driftage rudder face is arranged in driftage rotating shaft,
Can freely it be rotated around the driftage rotating shaft；The yaw control motor is arranged in the driftage rotating shaft, for adjusting the driftage
Angle of the rudder face in the driftage rotating shaft；
The plume rotor includes propeller hub and at least three fan wing blades；
The lower end of the rotating shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, and blade tip stretches into
Slot in the notch of duct, leading edge is provided with cross flow fan, and trailing edge is provided with displacement rudder face, and blade root is provided with and is used to drive institute
State the motor of cross flow fan；
The cross flow fan is used to produce low pressure whirlpool inside when high speed rotates, larger pressure is produced in blade leading edge upper and lower surface
It is poor simultaneously to produce thrust to trailing edge discharge air-flow so that fan wing blade is realized certainly under the driving without extra power corresponding to it
Turn.
Slotted the further prioritization scheme of culvert type plume rotor craft as the present invention, also comprising telescopic magic hand,
The telescopic magic hand is arranged on the lower end of the connection ring, for being captured and being loaded.
It is described also comprising undercarriage as the present invention fluting further prioritization scheme of culvert type plume rotor craft
The undercarriage is arranged on the lower end of the connection ring.
As the present invention fluting further prioritization scheme of culvert type plume rotor craft, the quantity of the support bar is
Three.
As the present invention fluting further prioritization scheme of culvert type plume rotor craft, the quantity of the yawing unit
For three.
The present invention compared with prior art, has following technique effect：
1. compared with common rotor, the thriving type of the fan hardly stall of plume rotor, so without the limitation of stalling angle, gas
Efficiency of movement is higher.And plume rotor is rotation, reaction torque will not be produced, is not required to add flow deflector in duct body again to put down
Weigh reaction torque, can make it that structure is simpler, also largely alleviates weight.So in the situation of equal-wattage
Under, bigger lift can be obtained using plume rotor.
2. on the premise of blade flapping motion is considered, the mode in duct inwall fluting is taken.With common no fluting
Duct is compared, on the one hand the duct of inwall fluting can effectively suppress the production in the blade tip whirlpool with energy loss and loss of lift
It is raw, rotor efficiency is improved, on the other hand can also increase the radius of blade, so as to provide bigger lift.
Brief description of the drawings
Fig. 1 is the integral layout figure of present invention fluting culvert type plume rotor craft；
Fig. 2 is the structural representation of present invention fluting culvert type plume rotor craft；
Fig. 3 is the structural representation of plume rotor in the present invention；
Fig. 4 is the cross-sectional view of the single fan wing blade of plume rotor in the present invention；
Fig. 5 is the structural representation of power set in the present invention；
Fig. 6 is the diagrammatic cross-section of fluting duct in the present invention.
In figure, 1- fluting ducts, 2- plume rotors, 3- support beams, 4- driftage rudder faces, 5- telescopic magic hands, 6- rises and falls
Frame, 7- propeller hubs, 8- fan wing blades, 9- displacement rudder faces, 10- cross flow fans, 11- fan the stationary plane of cross flow fan on wing blade, 12-
Motor.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described and explanation.
As illustrated in fig. 1 and 2, the invention discloses one kind fluting culvert type plume rotor craft, fluting duct, volume are included
Flow rotor, support beam, driftage module, telescopic magic hand and undercarriage；
As shown in fig. 6, the fluting duct is provided with the generation for being used to suppress blade tip whirlpool on its duct inwall, reduces tip loss
Groove；
The support beam includes connection ring and at least two support bars, wherein, the connection ring and the fluting duct are coaxial
Set；The support bar is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, the other end
It is fixedly linked with the inwall of the fluting duct；
The driftage module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes driftage rotating shaft, driftage rudder face and yaw control motor, wherein, described driftage rotating shaft one end and the company
Connect ring to be fixedly linked, the inwall of the other end and the fluting duct is fixedly linked；The driftage rudder face is arranged in driftage rotating shaft,
Can freely it be rotated around the driftage rotating shaft；The yaw control motor is arranged in the driftage rotating shaft, for adjusting the driftage
Angle of the rudder face in the driftage rotating shaft；
The plume rotor includes propeller hub and at least three fan wing blades；
The lower end of the rotating shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, and blade tip stretches into
Slot in the notch of duct, leading edge is provided with cross flow fan, and trailing edge is provided with displacement rudder face, and blade root is provided with and is used to drive institute
State the motor of cross flow fan；
The cross flow fan is used to produce low pressure whirlpool inside when high speed rotates, larger pressure is produced in blade leading edge upper and lower surface
It is poor simultaneously to produce thrust to trailing edge discharge air-flow so that fan wing blade is realized certainly under the driving without extra power corresponding to it
Turn；
The telescopic magic hand is arranged on the lower end of the connection ring, for being captured and being loaded.
The undercarriage is arranged on the lower end of the connection ring.
The quantity of the support bar is three, and the quantity of the yawing unit is three.
Describe in detail below：
1. lift system
（1）The composition of lift system
As shown in figure 3, the lift system of fluting culvert type plume rotor craft is mainly made up of two parts：Part I is
Plume rotor in duct body, it is made up of three fan wing blades, for providing most of lift；Part II is outside fluting
Duct, for providing the auxiliary lifting of sub-fraction.
（2）Plume rotor
As shown in Fig. 3, Fig. 4 and Fig. 5, plume rotor by three rotation fan wing blades form, using motor to blade before
The cross flow fan of edge is turned, and it is carried out high speed rotation, and then makes to produce larger low pressure whirlpool inside cross flow fan, in the wing
Type leading edge upper and lower surface produces larger pressure difference so that and fan wing blade can be produced compared with lift in low speed rotation, and backward
Edge discharge air-flow produces thrust.Therefore, under the driving without extra power, whole plume rotor can be realized as rotation.Volume
The difference maximum with common rotor of stream rotor is that its rotor is rotation, it is not necessary to takes some related measures to balance
Reaction torque, reduce many transmission devices so that structure is simpler, and weight is mitigated.It will be further appreciated that fan is thriving
Type hardly stall, so higher without the limitation of stalling angle, pneumatic efficiency.
If it should be noted that being vertical bar flabellum used in cross flow fan, it is possible to discharge after flow rotation,
Vibration can be caused.If using slanted bar flabellum, will not enter simultaneously in fan body after flow rotation, it is possible to avoid the resistance of air-flow
Plug, so as to reduce vibration.
（3）Duct body structure
The fluting duct of fluting culvert type plume rotor craft clips the tail end of aerofoil profile, and the recessing in oar disk plane,
The blade tip of plume rotor is partially in duct body, can effectively reduce tip loss, improve lift.
2. supporting mechanism
Supporting construction inside fluting culvert type plume rotor craft is three support bars, and installs and can roll under support beam
Folded undercarriage.In its same level, three driftage rudder faces are also equipped with addition.Supporting construction is fixed with duct body structure to be connected
Connect.
3. power set
The blade root position of every fan wing blade of fluting culvert type plume rotor craft is equipped with a motor, directly drives horizontal
Flow fan is rotated.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the implication of idealization or overly formal.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair
It is bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in the present invention
Protection domain within.
Claims (5)
1. slot culvert type plume rotor craft, it is characterised in that comprising fluting duct, plume rotor, support beam and partially
Model plane block；
The fluting duct is provided with the generation for being used to suppress blade tip whirlpool on its duct inwall, reduces the groove of tip loss；
The support beam includes connection ring and at least two support bars, wherein, the connection ring and the fluting duct are coaxial
Set；The support bar is uniformly arranged between connection ring and fluting duct, and one end and the connection ring are fixedly linked, the other end
It is fixedly linked with the inwall of the fluting duct；
The driftage module includes at least three yawing units for being uniformly arranged on the connection ring between duct of slotting；
The yawing unit includes driftage rotating shaft, driftage rudder face and yaw control motor, wherein, described driftage rotating shaft one end and the company
Connect ring to be fixedly linked, the inwall of the other end and the fluting duct is fixedly linked；The driftage rudder face is arranged in driftage rotating shaft,
Can freely it be rotated around the driftage rotating shaft；The yaw control motor is arranged in the driftage rotating shaft, for adjusting the driftage
Angle of the rudder face in the driftage rotating shaft；
The plume rotor includes propeller hub and at least three fan wing blades；
The lower end of the rotating shaft of the propeller hub and the connection ring are fixedly linked；
The fan wing blade includes blade root, blade tip, leading edge and trailing edge, wherein, blade root and the propeller hub are fixedly linked, and blade tip stretches into
Slot in the notch of duct, leading edge is provided with cross flow fan, and trailing edge is provided with displacement rudder face, and blade root is provided with and is used to drive institute
State the motor of cross flow fan；
The cross flow fan is used to produce low pressure whirlpool inside when high speed rotates, larger pressure is produced in blade leading edge upper and lower surface
It is poor simultaneously to produce thrust to trailing edge discharge air-flow so that fan wing blade is realized certainly under the driving without extra power corresponding to it
Turn.
2. fluting culvert type plume rotor craft according to claim 1, it is characterised in that also comprising flexible machinery
Hand, the telescopic magic hand are arranged on the lower end of the connection ring, for being captured and being loaded.
3. fluting culvert type plume rotor craft according to claim 1, it is characterised in that also comprising undercarriage, institute
State the lower end that the undercarriage is arranged on the connection ring.
4. fluting culvert type plume rotor craft according to claim 1, it is characterised in that the quantity of the support bar
For three.
5. fluting culvert type plume rotor craft according to claim 1, it is characterised in that the number of the yawing unit
Measure as three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000170.XA CN107672802B (en) | 2017-10-24 | 2017-10-24 | Slotted duct type rotor wing aircraft with rolling flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000170.XA CN107672802B (en) | 2017-10-24 | 2017-10-24 | Slotted duct type rotor wing aircraft with rolling flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107672802A true CN107672802A (en) | 2018-02-09 |
| CN107672802B CN107672802B (en) | 2023-10-27 |
Family
ID=61142011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711000170.XA Active CN107672802B (en) | 2017-10-24 | 2017-10-24 | Slotted duct type rotor wing aircraft with rolling flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107672802B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639318A (en) * | 2018-06-27 | 2018-10-12 | 中国直升机设计研究所 | A kind of helicopter reaction torque balance system and helicopter |
| CN109018321A (en) * | 2018-07-02 | 2018-12-18 | 寇冠 | Driven rotor craft |
| CN109334970A (en) * | 2018-11-13 | 2019-02-15 | 四川大学 | DCB Specimen bypass system |
| CN109334952A (en) * | 2018-11-26 | 2019-02-15 | 南京航空航天大学 | A kind of Novel paddle based on the driving of embedded shrouded propeller |
| CN109515704A (en) * | 2018-12-18 | 2019-03-26 | 南京航空航天大学 | Duct plume rotor craft based on cycloid propeller technology |
| CN110949658A (en) * | 2019-12-13 | 2020-04-03 | 南京华航翼飞行器技术有限公司 | Miniature shaftless ducted rotor craft and flight control method thereof |
| CN110963035A (en) * | 2019-12-18 | 2020-04-07 | 王力丰 | Personal aircraft with compressed air as power source and operation method thereof |
| CN111086624A (en) * | 2020-01-20 | 2020-05-01 | 张世栋 | Shroud-band type blade tip turbulence blocking device for ducted propeller |
| CN111232191A (en) * | 2018-11-29 | 2020-06-05 | 戴瑾 | Rotor craft using control surface to control attitude |
| CN112648201A (en) * | 2019-10-11 | 2021-04-13 | 通用电气公司 | Ducted fan having a fan case defining a cavity above a rotor |
| CN114030602A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Active coaxial high-efficiency rotor system |
| CN114801615A (en) * | 2022-05-20 | 2022-07-29 | 西安交通大学 | Vector thrust type robot |
| CN114954919A (en) * | 2022-06-20 | 2022-08-30 | 中国航空工业集团公司西安飞机设计研究所 | Fan wing structure and aircraft thereof |
| WO2023021099A1 (en) * | 2021-08-17 | 2023-02-23 | Noraero As | Attitude control system for a multirotor crossflow fan evtol airborne craft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680977A (en) * | 1969-07-01 | 1972-08-01 | Denis Rabouyt | Framed impeller |
| US20030136873A1 (en) * | 2000-10-03 | 2003-07-24 | Churchman Charles Gilpin | V/STOL biplane aircraft |
| CN104816823A (en) * | 2015-04-21 | 2015-08-05 | 南京航空航天大学 | Duct rotary wing aircraft |
| CN105775148A (en) * | 2016-04-08 | 2016-07-20 | 南京航空航天大学 | Cross-flow fan type rotor system |
| CN106628120A (en) * | 2016-12-06 | 2017-05-10 | 湖南星思科技有限公司 | Efficient pneumatic duct body |
| CN207450245U (en) * | 2017-10-24 | 2018-06-05 | 南京航空航天大学 | Fluting culvert type plume rotor craft |
-
2017
- 2017-10-24 CN CN201711000170.XA patent/CN107672802B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680977A (en) * | 1969-07-01 | 1972-08-01 | Denis Rabouyt | Framed impeller |
| US20030136873A1 (en) * | 2000-10-03 | 2003-07-24 | Churchman Charles Gilpin | V/STOL biplane aircraft |
| CN104816823A (en) * | 2015-04-21 | 2015-08-05 | 南京航空航天大学 | Duct rotary wing aircraft |
| CN105775148A (en) * | 2016-04-08 | 2016-07-20 | 南京航空航天大学 | Cross-flow fan type rotor system |
| CN106628120A (en) * | 2016-12-06 | 2017-05-10 | 湖南星思科技有限公司 | Efficient pneumatic duct body |
| CN207450245U (en) * | 2017-10-24 | 2018-06-05 | 南京航空航天大学 | Fluting culvert type plume rotor craft |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639318B (en) * | 2018-06-27 | 2023-10-20 | 中国直升机设计研究所 | Helicopter reactive torque balancing system and helicopter |
| CN108639318A (en) * | 2018-06-27 | 2018-10-12 | 中国直升机设计研究所 | A kind of helicopter reaction torque balance system and helicopter |
| CN109018321A (en) * | 2018-07-02 | 2018-12-18 | 寇冠 | Driven rotor craft |
| CN109334970A (en) * | 2018-11-13 | 2019-02-15 | 四川大学 | DCB Specimen bypass system |
| CN109334970B (en) * | 2018-11-13 | 2021-11-30 | 四川大学 | Dual rotor ducted system |
| CN109334952A (en) * | 2018-11-26 | 2019-02-15 | 南京航空航天大学 | A kind of Novel paddle based on the driving of embedded shrouded propeller |
| CN111232191A (en) * | 2018-11-29 | 2020-06-05 | 戴瑾 | Rotor craft using control surface to control attitude |
| CN109515704B (en) * | 2018-12-18 | 2024-04-16 | 南京航空航天大学 | Ducted plume rotorcraft based on cycloidal propeller technology |
| CN109515704A (en) * | 2018-12-18 | 2019-03-26 | 南京航空航天大学 | Duct plume rotor craft based on cycloid propeller technology |
| CN112648201B (en) * | 2019-10-11 | 2024-01-30 | 通用电气公司 | Ducted fan with fan housing defining a cavity above the rotor |
| CN112648201A (en) * | 2019-10-11 | 2021-04-13 | 通用电气公司 | Ducted fan having a fan case defining a cavity above a rotor |
| EP3805574A1 (en) * | 2019-10-11 | 2021-04-14 | General Electric Company | Ducted fan with fan casing defining an over-rotor cavity |
| US11286955B2 (en) | 2019-10-11 | 2022-03-29 | General Electric Company | Ducted fan with fan casing defining an over-rotor cavity |
| CN110949658A (en) * | 2019-12-13 | 2020-04-03 | 南京华航翼飞行器技术有限公司 | Miniature shaftless ducted rotor craft and flight control method thereof |
| CN110963035A (en) * | 2019-12-18 | 2020-04-07 | 王力丰 | Personal aircraft with compressed air as power source and operation method thereof |
| CN111086624A (en) * | 2020-01-20 | 2020-05-01 | 张世栋 | Shroud-band type blade tip turbulence blocking device for ducted propeller |
| WO2023021099A1 (en) * | 2021-08-17 | 2023-02-23 | Noraero As | Attitude control system for a multirotor crossflow fan evtol airborne craft |
| CN114030602B (en) * | 2021-11-19 | 2023-09-05 | 中国直升机设计研究所 | Rotor system capable of actively adjusting coaxiality |
| CN114030602A (en) * | 2021-11-19 | 2022-02-11 | 中国直升机设计研究所 | Active coaxial high-efficiency rotor system |
| CN114801615A (en) * | 2022-05-20 | 2022-07-29 | 西安交通大学 | Vector thrust type robot |
| CN114954919A (en) * | 2022-06-20 | 2022-08-30 | 中国航空工业集团公司西安飞机设计研究所 | Fan wing structure and aircraft thereof |
| CN114954919B (en) * | 2022-06-20 | 2024-08-13 | 中国航空工业集团公司西安飞机设计研究所 | Fan wing structure and aircraft thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107672802B (en) | 2023-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107672802A (en) | Fluting culvert type plume rotor craft | |
| CN109515704B (en) | Ducted plume rotorcraft based on cycloidal propeller technology | |
| CN108163193B (en) | A kind of active main rotor vertically taking off and landing flyer | |
| CN108557074A (en) | Using the flapping wing aircraft and method of operating of three rotor mixed layouts | |
| CN103754362B (en) | A kind of lift rotor | |
| WO2016062223A1 (en) | Vertical take-off and landing aircraft | |
| WO2014118299A1 (en) | Aircraft and method for controlling an aircraft for vertical take-off and landing with a win arrangement comprising an extendible lift increasing system | |
| US8561938B2 (en) | Directional control for a helicopter | |
| CN104859859B (en) | Pneumatic optimization oil-electricity hybrid multi-rotor aircraft | |
| CN103754360B (en) | One kind flying disc type gyroplane | |
| CN102069905A (en) | Oblique wing helicopter | |
| CN209581870U (en) | Duct plume rotor craft based on cycloid propeller technology | |
| CN107021208A (en) | The tail sitting posture VUAV and control method of a kind of utilization duct | |
| CN207956057U (en) | A kind of active main rotor vertically taking off and landing flyer | |
| CN207510715U (en) | A kind of cross flow fan swing device | |
| KR20100111983A (en) | Rotor blade for rotorcraft to change sweep-back angle of the blade tip actively | |
| CN207450245U (en) | Fluting culvert type plume rotor craft | |
| WO2019080442A1 (en) | Rotorcraft | |
| CN209274896U (en) | One kind vert cycloid fan swing device, vert cycloid fan rotor aircraft | |
| CN218537100U (en) | Single power driven unmanned aerial vehicle that verts | |
| CN206734609U (en) | A kind of tail sitting posture VUAV using duct | |
| US10577086B2 (en) | High efficiency stall proof airfoil and means of control | |
| CN110001944A (en) | A kind of large size unmanned plane | |
| CN212354390U (en) | Vertical take-off and landing aircraft | |
| CN212829059U (en) | Distributed lift duck type layout vertical take-off and landing unmanned aerial vehicle |
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 |