CN107804452A - Culvert type large-caliber spiral oar - Google Patents
Culvert type large-caliber spiral oar Download PDFInfo
- Publication number
- CN107804452A CN107804452A CN201711246252.2A CN201711246252A CN107804452A CN 107804452 A CN107804452 A CN 107804452A CN 201711246252 A CN201711246252 A CN 201711246252A CN 107804452 A CN107804452 A CN 107804452A
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- Prior art keywords
- wheel hub
- blade
- blade wheel
- fixing collar
- type large
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- Pending
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- 230000002787 reinforcement Effects 0.000 claims abstract description 37
- 230000000977 initiatory effect Effects 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B64C11/008—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft characterised by vibration absorbing or balancing means
-
- 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
- B64C11/001—Shrouded propellers
-
- 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
- B64C11/02—Hub construction
-
- 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
- B64C11/16—Blades
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention discloses a kind of culvert type large-caliber spiral oar, is related to vehicle technology field, to solve the technical problem that existing propeller machine is less efficient, operating noise is larger.Culvert type large-caliber spiral oar of the present invention, includes successively from the inside to the outside：Blade wheel hub, interior fixing collar and external reinforcement circle, it is circumferentially spaced on interior fixing collar to be provided with multiple connectors, each connector piece main load-bearing trusses of corresponding connection, one end of every main load-bearing trusses is fixed on blade wheel hub, stage casing is fixed with interior fixing collar, the other end and external reinforcement circle are fixed；Also include：The multiple blades being connected are tilted successively with blade wheel hub, interior fixing collar and external reinforcement circle, and multiple blades are circumferentially uniformly distributed around blade wheel hub；The initiating terminal of each blade is seamlessly connected with blade wheel hub, stage casing is seamlessly connected with interior fixing collar, end and external reinforcement circle are seamlessly connected.
Description
Technical field
The present invention relates to vehicle technology field, more particularly to a kind of culvert type large-caliber spiral oar.
Background technology
Propeller refers to rotate in air or water by blade, and engine rotation power is converted into the device of propulsive force,
There can be 2 or 3 blades are connected with propeller hub.Propeller is divided into many kinds, and application is also quite varied, as aircraft, steamer
Propeller etc..
At present, propeller of the prior art mainly includes：Propeller hub, blade is housed on the propeller hub, and the propeller hub connects
Power set are connected to, so as to which the power set can drive the propeller hub to rotate, and then drive the blade to rotate in a circumferential direction.
Present inventor, it is realized that existing propeller because blade tip is without the strong point, once the radius of blade is excessive, then
The structural strength of blade must be ensured in a manner of increasing blade thickness, so virtually add the entirety weight of aircraft
Amount；Also, existing propeller is very few due to blade quantity, it is necessary to makes propeller maintain higher rotating speed to produce enough liters
Power, so the end of blade easily produces vortex and shock wave, therefore the vibrations of blade and operating noise are larger.
The content of the invention
It is an object of the invention to provide a kind of culvert type large-caliber spiral oar, to solve existing propeller machine efficiency
Technical problem relatively low, operating noise is larger.
The present invention provides a kind of culvert type large-caliber spiral oar, includes successively from the inside to the outside：Blade wheel hub, interior fixing collar and
External reinforcement circle, circumferentially spaced on the interior fixing collar to be provided with multiple connectors, the corresponding connection one of each connector
Main load-bearing trusses, one end of the every main load-bearing trusses is fixed on the blade wheel hub, stage casing is consolidated with the interior fixing collar
The fixed, other end is fixed with the external reinforcement circle；Also include：With the blade wheel hub, the interior fixing collar and the external reinforcement circle
Multiple blades of connection are tilted successively, and multiple blades are circumferentially uniformly distributed around the blade wheel hub；Each blade
Initiating terminal and the blade wheel hub be seamlessly connected, stage casing is seamlessly connected with the interior fixing collar, end and the external reinforcement circle
It is seamlessly connected.
In culvert type large-caliber spiral oar provided by the invention, the center of the blade wheel hub offers vertically wears axle
Hole, and the axis hole of wearing is used to connect drive device.
In culvert type large-caliber spiral oar provided by the invention, the initiating terminal of each blade is seamless to be fixed on the oar
On impeller boss, and the axle center of blade wheel hub described in normal face, and be obliquely installed with 40 ° -45 ° of the angle of attack, fixation that stage casing is seamless
On the interior fixing collar, end is seamless to be fixed on the external reinforcement circle.
In culvert type large-caliber spiral oar provided by the invention, the angle of attack is 45 °.
In culvert type large-caliber spiral oar provided by the invention, the blade, which comprises at least, 20.
In culvert type large-caliber spiral oar provided by the invention, the more main load-bearing trusses include 3-7 arms.
In culvert type large-caliber spiral oar provided by the invention, the more main load-bearing trusses include 5 arms.
Relative to prior art, culvert type large-caliber spiral oar of the present invention has the advantage that：
In culvert type large-caliber spiral oar provided by the invention, include successively from the inside to the outside：Blade wheel hub, interior fixing collar and
External reinforcement circle, it is circumferentially spaced on interior fixing collar to be provided with multiple connectors, each connector piece main load-bearing purlin of corresponding connection
Beam, one end of every main load-bearing trusses is fixed on blade wheel hub, stage casing is fixed with interior fixing collar, the other end and external reinforcement circle are consolidated
It is fixed；Also include：The multiple blades being connected are tilted successively with blade wheel hub, interior fixing collar and external reinforcement circle, and multiple blades are around oar
Impeller boss is circumferentially uniformly distributed；The initiating terminal of each blade is seamlessly connected with blade wheel hub, stage casing is seamlessly connected with interior fixing collar,
End is seamlessly connected with external reinforcement circle.Thus analysis is understood, in culvert type large-caliber spiral oar provided by the invention, due to each
The initiating terminal of blade is seamlessly connected with blade wheel hub, stage casing is seamlessly connected with interior fixing collar, end and external reinforcement circle are seamlessly connected,
Therefore multiple completely enclosed ducts can be formed, so as to air wherein high-speed motion when in the absence of extra resistance, air
Working medium will not also occur excessive under powerful centrifugal action, and the end of blade also has no way of producing vortex and shock wave, Jin Erneng
Mechanical efficiency is enough effectively improved, and blade vibrations can be reduced to greatest extent, blade fatigue is reduced, reduce operating noise.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.It should be evident that below in description
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, the design accompanying drawing of other forms can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of culvert type large-caliber spiral oar provided in an embodiment of the present invention；
Fig. 2 is the part-structure schematic diagram of culvert type large-caliber spiral oar provided in an embodiment of the present invention；
Fig. 3 is the part-structure schematic diagram of culvert type large-caliber spiral oar provided in an embodiment of the present invention.
In figure：1- external reinforcement circles；Fixing collar in 2-；3- connectors；4- wears axis hole；5- blade wheel hubs；6- master holds
Weight trusses；7- blades.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing.Obviously, described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of it need not make creative work, belong to the model that the present invention protects
Enclose.
In the description of the invention, it is necessary to explanation, the term " orientation or position of the instruction such as " center ", " interior ", " outer "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
Can be joined directly together to be to mechanically connect.For the ordinary skill in the art, can regard in concrete condition understanding
State the concrete meaning of term in the present invention.
Fig. 1 is the structural representation of culvert type large-caliber spiral oar provided in an embodiment of the present invention；Fig. 2 is implemented for the present invention
The part-structure schematic diagram for the culvert type large-caliber spiral oar that example provides；Fig. 3 is the big mouth of culvert type provided in an embodiment of the present invention
The part-structure schematic diagram of footpath propeller.
As shown in Figure 1-Figure 3, the embodiment of the present invention provides a kind of culvert type large-caliber spiral oar, wraps successively from the inside to the outside
Include：Blade wheel hub 5, interior fixing collar 2 and external reinforcement circle 1, it is circumferentially spaced on interior fixing collar 2 to be provided with multiple connectors 3, Mei Gelian
The piece main load-bearing trusses 6 of corresponding connection of joint 3, one end of every main load-bearing trusses 6 is fixed on blade wheel hub 5, stage casing with
Interior fixing collar 2 is fixed, the other end and external reinforcement circle 1 are fixed；Also include：With blade wheel hub 5, interior fixing collar 2 and external reinforcement circle 1 according to
The secondary multiple blades 7 for tilting connection, and multiple blades 7 are uniformly distributed around the circumference of blade wheel hub 5；The initiating terminal of each blade 7
It is seamlessly connected with blade wheel hub 5, stage casing is seamlessly connected with interior fixing collar 2, end and external reinforcement circle 1 are seamlessly connected.
Relative to prior art, the culvert type large-caliber spiral oar described in the embodiment of the present invention has the advantage that：
In culvert type large-caliber spiral oar provided in an embodiment of the present invention, as shown in Figure 1-Figure 3, wrap successively from the inside to the outside
Include：Blade wheel hub 5, interior fixing collar 2 and external reinforcement circle 1, it is circumferentially spaced on interior fixing collar 2 to be provided with multiple connectors 3, Mei Gelian
The piece main load-bearing trusses 6 of corresponding connection of joint 3, one end of every main load-bearing trusses 6 is fixed on blade wheel hub 5, stage casing with
Interior fixing collar 2 is fixed, the other end and external reinforcement circle 1 are fixed；Also include：With blade wheel hub 5, interior fixing collar 2 and external reinforcement circle 1 according to
The secondary multiple blades 7 for tilting connection, and multiple blades 7 are uniformly distributed around the circumference of blade wheel hub 5；The initiating terminal of each blade 7
It is seamlessly connected with blade wheel hub 5, stage casing is seamlessly connected with interior fixing collar 2, end and external reinforcement circle 1 are seamlessly connected.Thus analyze
Understand, in culvert type large-caliber spiral oar provided in an embodiment of the present invention, due to initiating terminal and the blade wheel hub 5 of each blade 7
Seamless connection, stage casing is seamlessly connected with interior fixing collar 2, end and external reinforcement circle 1 are seamlessly connected, therefore can be formed multiple complete
The duct of closing, so as to air wherein high-speed motion when in the absence of extra resistance, air working medium is in powerful centrifugation masterpiece
It will not also occur under excessive, the end of blade 7 also has no way of producing vortex and shock wave, and then can effectively improve mechanical efficiency,
And blade 7 can be reduced to greatest extent to shake, reduce the fatigue of blade 7, reduce operating noise.
Furthermore, it is necessary to, it is emphasized that above-mentioned main load-bearing trusses 6 and blade wheel hub 5 can use high-strength aluminum alloy or
Titanium alloy, its specific size is depending on load-bearing needs；Multistage duct (comprising at least interior fixing collar 2 and external reinforcement circle 1) and blade 7
Lightweight composite materials can be used, its specific size is depending on load-bearing needs.
Further, since main load-bearing trusses 6 and blade wheel hub 5 employ high-strength aluminum alloy or titanium alloy, on this basis,
Can by (rectangle) blade 7 and multistage duct (comprising at least interior fixing collar 2 and external reinforcement circle 1) lightweight as much as possible, such as
Using high strength composite, and use 3D printing technique one-shot forming.
Wherein, in order to which the intensity of this culvert type large-caliber spiral oar is effectively ensured, as shown in figures 1 and 3, the present invention is implemented
In the culvert type large-caliber spiral oar that example provides, above-mentioned more main load-bearing trusses 6 can include 3-7 arms.
Specifically, the factors such as processing cost, construction weight are considered, as shown in figures 1 and 3, the embodiment of the present invention carries
In the culvert type large-caliber spiral oar of confession, above-mentioned more main load-bearing trusses 6 can include 5 arms.
Meanwhile in culvert type large-caliber spiral oar provided in an embodiment of the present invention, the quantity of above-mentioned main load-bearing trusses 6 is not only
Only it is defined between 3-7 arms, according to the actual requirements, other reasonable values.
Herein it should be added that, in culvert type large-caliber spiral oar provided in an embodiment of the present invention, it is above-mentioned in plus
Admittedly circle 2 and external reinforcement circle 1 can have the function of duct concurrently；Also, it is not only limited to only interior fixing collar 2 and external reinforcement circle 1
The two level duct of composition, it can also need to set multistage duct according to the actual bore of propeller.
In addition, above-mentioned blade 7 can be rectangular configuration.
During practical application, in order to realize the driving of culvert type large-caliber spiral oar, as shown in Figure 1-Figure 3, of the invention real
In the culvert type large-caliber spiral oar for applying example offer, above-mentioned blade wheel hub 5 wears axis hole 4 centrally along being axially arranged with, and this wears axle
Hole 4 can be used in connecting drive device, such as motor, so as to drive blade wheel hub 5 to rotate by drive devices such as motors, and then
Main load-bearing trusses 6, interior fixing collar 2 and external reinforcement circle 1 and blade 7 is driven to rotate together.
Wherein, in order to effectively improve mechanical efficiency, as shown in figure 1, culvert type heavy caliber provided in an embodiment of the present invention
In propeller, the initiating terminal of each blade 7 is seamless to be fixed on blade wheel hub 5, and the axle center of normal face blade wheel hub 5, and
It is obliquely installed with 40 ° -45 ° of the angle of attack, stage casing is seamless to be fixed on interior fixing collar 2, and end is seamless to be fixed on external reinforcement circle 1.
Counted according to theoretical calculation and test data, blade 7 is obliquely installed with 40 ° -45 ° of the angle of attack can preferably ensure mechanical effect
Rate is in higher level.
Specifically, as shown in figure 1, in culvert type large-caliber spiral oar provided in an embodiment of the present invention, the above-mentioned angle of attack can be with
Preferably 45 °.
Meanwhile in culvert type large-caliber spiral oar provided in an embodiment of the present invention, the angle of attack of above-mentioned blade 7 not only limits
Between 40 ° -45 °, other reasonable values according to the actual requirements.
Further, in order to reduce the rotating speed of propeller as much as possible, made an uproar so as to reduce the vibrations of propeller, reduce work
Sound, as shown in figure 1, in culvert type large-caliber spiral oar provided in an embodiment of the present invention, above-mentioned blade 7, which can comprise at least, 20
Piece.Counted according to theoretical calculation and test data, at least can preferably reduce operating noise with the blade 7 of 20；Also,
The particular number of blade 7 can also being actually needed to determine according to covering of the fan bore.
Meanwhile in culvert type large-caliber spiral oar provided in an embodiment of the present invention, the quantity of above-mentioned blade 7 not only limits
More than 20 are scheduled on, according to the actual requirements, other reasonable values.
Culvert type large-caliber spiral oar provided in an embodiment of the present invention mainly has the advantage that relative to prior art：
1st, on this basis, can because main load-bearing trusses 6 and blade wheel hub 5 employ high-strength aluminum alloy or titanium alloy
With by (rectangle) blade 7 and multistage fixing collar (comprising at least interior fixing collar 2 and external reinforcement circle 1) lightweight as much as possible, such as
Using high strength composite, and use 3D printing technique one-shot forming；
2nd, because the initiating terminal and blade wheel hub 5 of each blade 7 are seamlessly connected, stage casing is seamlessly connected with interior fixing collar 2, end
End is seamlessly connected with external reinforcement circle 1, therefore can form multiple completely enclosed ducts, air working medium wherein high-speed motion when
In the absence of extra resistance, air working medium will not also occur excessive under powerful centrifugal action, and the end of blade 7 is also had no way of
Vortex and shock wave are produced, so as to effectively improve mechanical efficiency；And blade 7 can be reduced to greatest extent to shake, so as to subtract
Few fatigue of blade 7, reduce operating noise.
Highly preferred embodiment of the present invention is the foregoing is only, the other designs being not intended to limit the invention；
It is all the present invention design concept and principle within, any modification, equivalent substitution and improvements made etc., should be included in this hair
Within bright protection domain.
Claims (7)
1. a kind of culvert type large-caliber spiral oar, it is characterised in that include successively from the inside to the outside：Blade wheel hub, interior fixing collar and
External reinforcement circle, circumferentially spaced on the interior fixing collar to be provided with multiple connectors, the corresponding connection one of each connector
Main load-bearing trusses, one end of the every main load-bearing trusses is fixed on the blade wheel hub, stage casing is consolidated with the interior fixing collar
The fixed, other end is fixed with the external reinforcement circle；
Also include：The multiple blades being connected are tilted successively with the blade wheel hub, the interior fixing collar and the external reinforcement circle, and
Multiple blades are circumferentially uniformly distributed around the blade wheel hub；The initiating terminal and the blade wheel hub of each blade are seamless
Connection, stage casing are seamlessly connected with the interior fixing collar, end is seamlessly connected with the external reinforcement circle.
2. culvert type large-caliber spiral oar according to claim 1, it is characterised in that the blade wheel hub centrally along axle
Axis hole is worn to offering, and the axis hole of wearing is used to connect drive device.
3. culvert type large-caliber spiral oar according to claim 1 or 2, it is characterised in that the starting of each blade
Hold it is seamless be fixed on the blade wheel hub, and the axle center of blade wheel hub described in normal face, and being inclined with 40 ° -45 ° of the angle of attack
Tiltedly set, stage casing is seamless to be fixed on the interior fixing collar, and end is seamless to be fixed on the external reinforcement circle.
4. culvert type large-caliber spiral oar according to claim 3, it is characterised in that the angle of attack is 45 °.
5. culvert type large-caliber spiral oar according to claim 1 or 2, it is characterised in that the blade, which comprises at least, to be had
20.
6. culvert type large-caliber spiral oar according to claim 1, it is characterised in that the more main load-bearing trusses include
3-7 arms.
7. culvert type large-caliber spiral oar according to claim 6, it is characterised in that the more main load-bearing trusses include
There are 5 arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246252.2A CN107804452A (en) | 2017-11-30 | 2017-11-30 | Culvert type large-caliber spiral oar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246252.2A CN107804452A (en) | 2017-11-30 | 2017-11-30 | Culvert type large-caliber spiral oar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107804452A true CN107804452A (en) | 2018-03-16 |
Family
ID=61590288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711246252.2A Pending CN107804452A (en) | 2017-11-30 | 2017-11-30 | Culvert type large-caliber spiral oar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978740A (en) * | 2021-04-16 | 2022-01-28 | 南京航空航天大学 | Double-rotor rim driving type inner and outer duct type propeller for aviation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2953487A1 (en) * | 2009-12-07 | 2011-06-10 | Snecma | Hub for propeller with variable setting blades in unducted fan type turbo machine, has reinforcing elements arranged parallel to end flanks of through-apertures along side periphery of polygonal ring and connected to corresponding rings |
| CN203597446U (en) * | 2013-12-04 | 2014-05-21 | 肖华清 | Lining adhering machine |
| EP2799334A1 (en) * | 2013-04-29 | 2014-11-05 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Blade rotary assembly with aerodynamic outer toroid spoiler for a shrouded propulsion rotary assembly |
| CN104129499A (en) * | 2013-05-03 | 2014-11-05 | 空客直升机 | Ducted rotor for an aircraft and a rotorcraft |
| US20160159458A1 (en) * | 2014-12-04 | 2016-06-09 | Northrop Grumman Systems Corporation | Propeller |
| CN107284652A (en) * | 2017-06-21 | 2017-10-24 | 张家港致盈电子技术有限公司 | Integrated culvert type propeller |
| CN207670649U (en) * | 2017-11-30 | 2018-07-31 | 肖华清 | Culvert type large-caliber spiral paddle |
-
2017
- 2017-11-30 CN CN201711246252.2A patent/CN107804452A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2953487A1 (en) * | 2009-12-07 | 2011-06-10 | Snecma | Hub for propeller with variable setting blades in unducted fan type turbo machine, has reinforcing elements arranged parallel to end flanks of through-apertures along side periphery of polygonal ring and connected to corresponding rings |
| EP2799334A1 (en) * | 2013-04-29 | 2014-11-05 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Blade rotary assembly with aerodynamic outer toroid spoiler for a shrouded propulsion rotary assembly |
| CN104129499A (en) * | 2013-05-03 | 2014-11-05 | 空客直升机 | Ducted rotor for an aircraft and a rotorcraft |
| CN203597446U (en) * | 2013-12-04 | 2014-05-21 | 肖华清 | Lining adhering machine |
| US20160159458A1 (en) * | 2014-12-04 | 2016-06-09 | Northrop Grumman Systems Corporation | Propeller |
| CN107284652A (en) * | 2017-06-21 | 2017-10-24 | 张家港致盈电子技术有限公司 | Integrated culvert type propeller |
| CN207670649U (en) * | 2017-11-30 | 2018-07-31 | 肖华清 | Culvert type large-caliber spiral paddle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978740A (en) * | 2021-04-16 | 2022-01-28 | 南京航空航天大学 | Double-rotor rim driving type inner and outer duct type propeller for aviation |
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