CN107161325A - Inside and outside wing flap crosslinking apparatus - Google Patents

Inside and outside wing flap crosslinking apparatus Download PDF

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Publication number
CN107161325A
CN107161325A CN201710643247.9A CN201710643247A CN107161325A CN 107161325 A CN107161325 A CN 107161325A CN 201710643247 A CN201710643247 A CN 201710643247A CN 107161325 A CN107161325 A CN 107161325A
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CN
China
Prior art keywords
wing flap
piston
wedge
cartridge module
outside
Prior art date
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Granted
Application number
CN201710643247.9A
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Chinese (zh)
Other versions
CN107161325B (en
Inventor
黄勇
田忠良
吴强
邬旭辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Aircraft Design Research Institute Co ltd
Commercial Aircraft Corp of China Ltd
Original Assignee
Commercial Aircraft Corp of China Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Commercial Aircraft Corp of China Ltd filed Critical Commercial Aircraft Corp of China Ltd
Priority to CN201710643247.9A priority Critical patent/CN107161325B/en
Publication of CN107161325A publication Critical patent/CN107161325A/en
Priority to PCT/CN2017/117727 priority patent/WO2019024398A1/en
Application granted granted Critical
Publication of CN107161325B publication Critical patent/CN107161325B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C9/00Adjustable control surfaces or members, e.g. rudders
    • B64C9/14Adjustable control surfaces or members, e.g. rudders forming slots
    • B64C9/16Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing
    • B64C9/20Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing by multiple flaps

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Actuator (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention relates to inside and outside wing flap crosslinking apparatus.The inside and outside wing flap crosslinking apparatus includes:Piston cartridge module;Piston rod assembly, the piston rod assembly is arranged in the piston cartridge module, and relative to the piston cartridge module it is radially fixed, be axially moveable;Arc wedge, the arc wedge is fixed on the outside of the piston cartridge module, and the arc wedge includes the first wedge-shaped compressive plane;Recessed circle, the recessed circle is fixed on the outside of the piston rod assembly, and the recessed circle includes the second wedge shaped squeeze face;When the described first wedge-shaped compressive plane is contacted with the second wedge shaped squeeze face, produce axial force to realize positive buffering.The inside and outside wing flap crosslinking apparatus of the present invention can play following advantageous effects:The positive pooling feature of overtravel can be realized, and it is simple in construction, install and safeguard easy.

Description

Inside and outside wing flap crosslinking apparatus
Technical field
The present invention relates to inside and outside wing flap crosslinking apparatus.
Background technology
Due to being limited and by airport runway length, gear tyre speed in order to improve takeoff and landing security, High-lift device is able to continue to develop and extensive use in the design of modern large aircraft.It is arranged in the height essence in trailing edge cabin Close and complicated motion and drive system, realize high-lift aerofoil freely changing between each aerodynamic configuration/screens. Drive system is general to be made up of power take-off unit, torque transmission linear system and high transmission ratio power/torque output actuator, actuator Main Force transmission partses are generally high intensity high-quality steel and are machined into, with higher durability mechanical performance, but it is antifatigue and Initial imperfection Crack Extension performance is poor.In the case of not dismantling and decomposing actuator during airplane operation, ground maintenance people Member can not carry out effective damage inspection to it.Airworthiness regulation requirement must be subject to the single failure of such system in the design Consider (and no matter how low its fault rate is), must ensure that aircraft still has continuation safe flight and landing after the system failure Ability.
Every piece of trailing edge flap typically has two or more drive ram, when wherein a certain actuator occurs to disengage failure When, aerofoil will produce and largely tilt (being mainly shown as the tangential motion of aerofoil end rib), when this deformation displacement is excessive, Both sides wing exceeds the rolling moment of airplane trim ability by producing, so as to hinder flight safety.Arranged between inside and outside wing flap One is inside and outside wing flap crosslinking apparatus along the tangential single-degree-of-freedom actuator of wing flap, can play reduction failure aerofoil over-tilting and carry The effect of constraint is aided in for aerofoil, and then ensures that aircraft still has continuation safe flight and throwing power after the system failure.
However, the inside and outside wing flap crosslinking apparatus general structure of prior art is complex, and maintenance inconvenience is installed.
The content of the invention
It is an object of the present invention to overcome the defect of existing inside and outside wing flap crosslinking apparatus there is provided it is a kind of it is new inside and outside Wing flap crosslinking apparatus, it can realize the positive pooling feature of overtravel, and simple in construction, install and safeguard easy.
The present invention object above realized by a kind of inside and outside wing flap crosslinking apparatus, the inside and outside wing flap crosslinking apparatus bag Include:
Piston cartridge module;
Piston rod assembly, the piston rod assembly is arranged in the piston cartridge module, and relative to the piston cylinder group Part is radially fixed, be axially moveable;
Arc wedge, the arc wedge is fixed on the outside of the piston cartridge module, the arc wedge Including the first wedge-shaped compressive plane;
Recessed circle, the recessed circle is fixed on the outside of the piston rod assembly, and the recessed circle includes the second wedge shaped squeeze face;
When the described first wedge-shaped compressive plane is contacted with the second wedge shaped squeeze face, it is positive slow to realize to produce axial force Punching.
According to above-mentioned technical proposal, inside and outside wing flap crosslinking apparatus of the invention can play following advantageous effects:Can be real The existing positive pooling feature of overtravel, and it is simple in construction, install and safeguard easy.
It is preferred that the piston cartridge module is provided with piston cylinder sawtooth in its middle inside, the piston rod assembly is at it Outside two ends are provided with piston rod sawtooth, wherein, when the described first wedge-shaped compressive plane is contacted with the second wedge shaped squeeze face, also Radial load is produced, the piston cylinder sawtooth and the piston rod sawtooth are held tightly, is realized reverse locked.
According to above-mentioned technical proposal, inside and outside wing flap crosslinking apparatus of the invention can play following advantageous effects:Can be real The reverse locking function of existing overtravel.
It is preferred that the piston cartridge module is the piston cartridge module of evagination in the middle part of three pieces of separate types, the piston cylinder group Part has elastomeric radial ability.
It is preferred that the inside and outside wing flap crosslinking apparatus also includes:
Axial stroke retainer, the axial stroke retainer is fixed on the outside of the piston cartridge module;
Detection sensor, the detection sensor is fixed on the axial stroke retainer;
Target, the target is fixed on the recessed circle;
Wherein, when the distance between the detection sensor and the target are less than predetermined threshold, the detection sensing Device sends electric signal to realize that overtravel is detected.
According to above-mentioned technical proposal, inside and outside wing flap crosslinking apparatus of the invention can play following advantageous effects:Can be real Existing overtravel detecting function.
It is preferred that the axial stroke retainer also includes the first axial retention shock surface;
The recessed circle also includes the second axial retention shock surface;
When the first axial retention shock surface is contacted with the second axial retention shock surface, positive stop is realized.
According to above-mentioned technical proposal, inside and outside wing flap crosslinking apparatus of the invention can play following advantageous effects:Can be real The existing positive locking function of overtravel.
It is preferred that the inside and outside wing flap crosslinking apparatus also includes being arranged at the arc wedge and the piston cylinder group Radial direction pad between part, to realize that arc wedge compressive plane external diameter is adjusted.
It is preferred that the inside and outside wing flap crosslinking apparatus also includes being arranged between the recessed circle and the piston rod assembly Axial pad, with realize free travel adjust.
Brief description of the drawings
Fig. 1 is the stereogram of the inside and outside wing flap crosslinking apparatus of one embodiment of the invention.
Fig. 2 is the sectional view of the inside and outside wing flap crosslinking apparatus of one embodiment of the invention.
Reference numerals list
1st, piston rod assembly
2nd, piston cartridge module
3rd, arc wedge
4th, recessed circle
5th, detection sensor
6th, target
7th, the first wedge-shaped compressive plane
8th, the second wedge shaped squeeze face
9th, the first axial retention shock surface
10th, the second axial retention shock surface
11st, piston cylinder sawtooth
12nd, piston rod sawtooth
13rd, axial stroke retainer
Embodiment
Embodiment of the invention explained below, it should be pointed out that in the specific descriptions of these embodiments During, in order to carry out brief and concise description, this specification can not possibly be made in detail to all features of actual embodiment Most description.It is to be understood that in the actual implementation process of any one embodiment, as in any one work During journey project or design object, in order to realize the objectives of developer, in order to meet system it is related or business The related limitation of industry, can usually make various specific decision-makings, and this can also be implemented from a kind of embodiment to another Changed between mode.Although moreover, it is to be understood that effort made in this development process is probably complicated And it is tediously long, but for one of ordinary skill in the art related to present disclosure, in the disclosure The changes such as some designs, manufacture or the production that are carried out on the basis of the technology contents of exposure are conventional technology, no It should be understood to that content of this disclosure is insufficient.
Unless otherwise defined, the technical term or scientific terminology used in claims and specification should be this hair The ordinary meaning that the personage with general technical ability is understood in bright art.Present patent application specification and power " first ", " second " that is used in sharp claim and similar word are not offered as any order, quantity or importance, and It is used only to distinguish different parts.The similar word such as " one " or " one " is not offered as quantity limitation, but represents In the presence of at least one.The similar word such as " comprising " or "comprising" means to appear in the element before " comprising " or "comprising" Or object covers the element or object and its equivalent element for appearing in " comprising " or "comprising" presented hereinafter, it is not excluded that Other elements or object.The similar word such as " connection " or " connected " is not limited to physics or machinery connection, It is also not necessarily limited to direct or indirect connection.
Fig. 1 is the stereogram of the inside and outside wing flap crosslinking apparatus of one embodiment of the invention.Fig. 2 is the interior of one embodiment of the invention The sectional view of outer wing flap crosslinking apparatus.
As shown in Figure 1-2, according to an exemplary rather than exclusive embodiment of the invention, inside and outside wing flap crosslinking apparatus bag Include:
Piston cartridge module 2;
Piston rod assembly 1, piston rod assembly 1 is arranged in piston cartridge module 2, and radially solid relative to piston cartridge module 2 Determine, be axially moveable;
Arc wedge 3, arc wedge 3 is fixed on the outside of piston cartridge module 2, and arc wedge 3 includes first Wedge shaped squeeze face 7;
Recessed circle 4, recessed circle 4 is fixed on the outside of piston rod assembly 1, and recessed circle 4 includes the second wedge shaped squeeze face 8;
When the first wedge-shaped compressive plane 7 is contacted with the second wedge shaped squeeze face 8, produce axial force to realize positive buffering.
So, inside and outside wing flap crosslinking apparatus of the invention can realize the positive pooling feature of overtravel, and simple in construction, peace Dress is safeguarded easy.Moreover, the inside and outside wing flap crosslinking apparatus small volume of the present invention, lighter in weight.
When any drive ram of trailing edge flap disengages failure, inside and outside wing flap crosslinking apparatus of the invention can play reduction Failure aerofoil over-tilting and the effect for avoiding the unfavorable vibration of failure aerofoil, to meet airworthiness regulation to the single start of aircraft flap Device disengages continuation safe flight and throwing power requirement under failure.
Specifically, when any drive ram of trailing edge flap disengages failure, inside and outside two difference of wing flap crosslinking apparatus The distance between mount point of inside and outside wing flap end rib is fixed on by the change elongated or shortened, so as to cause piston rod assembly 1 stretches or compresses motion in the axial direction relative to piston cartridge module 2.
It is preferred that inside and outside wing flap crosslinking apparatus also includes:
Axial stroke retainer 13, axial stroke retainer 13 is fixed on the outside of piston cartridge module 2;
Detection sensor 5, detection sensor 5 is fixed on axial stroke retainer 13;
Target 6, target 6 is fixed on recessed circle 4;
Wherein, when the distance between detection sensor 5 and target 6 are less than predetermined threshold, detection sensor 5 sends telecommunications Number detected with the overtravel for realizing the inside and outside mount point distance of wing flap crosslinking apparatus two.
It is preferred that axial stroke retainer 13 also includes the first axial retention shock surface 9;
Recessed circle 4 also includes the second axial retention shock surface 10;
When the first axial retention shock surface 9 is contacted with the second axial retention shock surface 10, positive stop is realized.
Specifically, when piston rod assembly 1 relative to piston cartridge module 2 moves overtravel along any direction, detection sensing When the distance between device 5 and target 6 are less than predetermined threshold, detection sensor 5 will send electric signal to realize that overtravel is detected.Connect , the first wedge-shaped compressive plane 7 of arc wedge 3 is contacted with the second wedge shaped squeeze face 8 of recessed circle 4, axial force is produced, to realize Positive (axial direction) buffering.Finally, the first axial retention shock surface 9 of axial stroke retainer 13 axially stops with the second of recessed circle 4 Dynamic shock surface 10 is contacted, and realizes positive (axial direction) stop.
It is preferred that the inside and outside wing flap crosslinking apparatus axis of the present invention is tangential approximately along wing flap, rear end is installed on interior wing flap End rib, front end is installed on outer wing flap end rib.Free movement travel limit is, it is necessary to reference to total travel many-body dynamics and having vertically The first deformation simulation result of limit is determined.It is poor that the free movement travel limit need to cover flap kinematics mechanism inside and outside total travel scope Caused by different gentle dynamic load effect between inside and outside wing flap two mount points of crosslinking apparatus distance change, and inside and outside wing flap is crosslinked Device must not hinder the normal of wing flap to use.
It is preferred that piston cartridge module 2 is provided with piston cylinder sawtooth 11 in its middle inside, piston rod assembly 1 is on the outside of it Two ends are provided with piston rod sawtooth 12, wherein, when the second wedge shaped squeeze of the first wedge-shaped compressive plane 7 and recessed circle 4 of arc wedge 3 When face 8 is contacted, radial load is also produced, piston cylinder sawtooth 11 and piston rod sawtooth 12 are held tightly, realized reverse locked.
That is, according to the above preferred embodiment of the present invention, inside and outside wing flap crosslinking apparatus is except that can provide overtravel Target may also provide the reverse locking function of overtravel close to beyond detection and positive buffering locking function.
It is preferred that piston cartridge module 2 is the piston cartridge module of evagination in the middle part of three pieces of separate types, piston cartridge module 2 has Elastomeric radial ability.
So, piston cylinder sawtooth 11 and piston rod sawtooth 12 can preferably be realized under radial load holds tightly.
It is preferred that piston cartridge module 2 is the piston cartridge module of middle part evagination predeformation.
So, piston cartridge module 2 has certain convex shape at middle part and/or with certain predeformation, therefore, when When the wedge-shaped compressive plane 7 of the first of arc wedge 3 is contacted with the second wedge shaped squeeze face 8 of recessed circle 4, radial load is also produced, will Piston cylinder sawtooth 11 and piston rod sawtooth 12 are held tightly, are realized reverse locked.That is, outside the above-mentioned middle part of piston cartridge module 2 Convex predeformation provides the nargin that piston cylinder sawtooth 11 and piston rod sawtooth 12 are held tightly.
It is preferred that piston cartridge module 2 and recessed circle 4 are made up of high-strength metal material, such as by Ti-6Al-4V material systems Into.
It is preferred that piston cylinder sawtooth 11 and piston rod sawtooth 12 are made up of high-strength metal material, such as by Ti-6Al- 4V materials are made.
Certainly, above-mentioned Ti-6Al-4V materials be only piston cartridge module inside and outside the application in wing flap crosslinking apparatus, it is recessed A kind of preferred materials form of circle, piston cylinder sawtooth and/or piston rod sawtooth, those skilled in the art are in present disclosure On the basis of it is appreciated that also can use other suitable materials, without departing from the application scope of the claims.
It is preferred that detection sensor 5 is close to detection sensor.
It is preferred that inside and outside wing flap crosslinking apparatus also includes the footpath being arranged between arc wedge 3 and piston cartridge module 2 To pad (such as metal strippable gasket), to realize that arc wedge compressive plane external diameter is adjusted.
So, by installing (setting) radial direction pad additional between arc wedge and piston cartridge module, arc wedge can be changed The external diameter of the wedge-shaped compressive plane of the first of shape part, can preferably realize the outer field control of shock-absorbing capacity.
It is preferred that inside and outside wing flap crosslinking apparatus also includes the axial pad being arranged between recessed circle 4 and piston rod assembly 1 (such as metallic gasket), to realize that free travel is adjusted.
So, by installing (setting) axial pad additional between recessed circle and piston rod assembly, freedom can preferably be realized Stroke adjustment.
Some exemplary embodiments are described above.It should be understood, however, that various modifications may be made.Example Such as, if described technology is executed in different order and/or if in described system, framework, equipment or circuit Component is combined and/or is substituted or supplemented by other component or its equivalent by different way, then can realize suitable knot Really.Correspondingly, other embodiment is also fallen into scope of the claims.

Claims (7)

1. a kind of inside and outside wing flap crosslinking apparatus, including:
Piston cartridge module;
Piston rod assembly, the piston rod assembly is arranged in the piston cartridge module, and relative to the piston cartridge module footpath To fixation, it is axially moveable;
Arc wedge, the arc wedge is fixed on the outside of the piston cartridge module, and the arc wedge includes First wedge-shaped compressive plane;
Recessed circle, the recessed circle is fixed on the outside of the piston rod assembly, and the recessed circle includes the second wedge shaped squeeze face;
When the described first wedge-shaped compressive plane is contacted with the second wedge shaped squeeze face, produce axial force to realize positive buffering.
2. inside and outside wing flap crosslinking apparatus as claimed in claim 1, it is characterised in that the piston cartridge module is in its middle inside Provided with piston cylinder sawtooth, piston rod assembly two ends on the outside of it are provided with piston rod sawtooth, wherein, when the described first wedge shape is squeezed When pressure surface is contacted with the second wedge shaped squeeze face, radial load is also produced, the piston cylinder sawtooth and the piston rod are sawed Tooth is held tightly, is realized reverse locked.
3. inside and outside wing flap crosslinking apparatus as claimed in claim 2, it is characterised in that the piston cartridge module is three pieces of separate types The piston cartridge module of middle part evagination, the piston cartridge module has elastomeric radial ability.
4. the inside and outside wing flap crosslinking apparatus as described in any one in claim 1-3, it is characterised in that the inside and outside wing flap Crosslinking apparatus also includes:
Axial stroke retainer, the axial stroke retainer is fixed on the outside of the piston cartridge module;
Detection sensor, the detection sensor is fixed on the axial stroke retainer;
Target, the target is fixed on the recessed circle;
Wherein, when the distance between the detection sensor and the target are less than predetermined threshold, the detection sensor hair Go out electric signal to realize that overtravel is detected.
5. inside and outside wing flap crosslinking apparatus as claimed in claim 4, it is characterised in that
The axial stroke retainer also includes the first axial retention shock surface;
The recessed circle also includes the second axial retention shock surface;
When the first axial retention shock surface is contacted with the second axial retention shock surface, positive stop is realized.
6. the inside and outside wing flap crosslinking apparatus as described in any one in claim 1-3, it is characterised in that the inside and outside wing flap Crosslinking apparatus also includes the radial direction pad being arranged between the arc wedge and the piston cartridge module, to realize arc wedge Shape part compressive plane external diameter is adjusted.
7. the inside and outside wing flap crosslinking apparatus as described in any one in claim 1-3, it is characterised in that the inside and outside wing flap Crosslinking apparatus also includes the axial pad being arranged between the recessed circle and the piston rod assembly, to realize that free travel is adjusted Section.
CN201710643247.9A 2017-07-31 2017-07-31 Inside and outside wing flap crosslinking apparatus Active CN107161325B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710643247.9A CN107161325B (en) 2017-07-31 2017-07-31 Inside and outside wing flap crosslinking apparatus
PCT/CN2017/117727 WO2019024398A1 (en) 2017-07-31 2017-12-21 Coupling device for inner and outer flaps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710643247.9A CN107161325B (en) 2017-07-31 2017-07-31 Inside and outside wing flap crosslinking apparatus

Publications (2)

Publication Number Publication Date
CN107161325A true CN107161325A (en) 2017-09-15
CN107161325B CN107161325B (en) 2018-09-11

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CN201710643247.9A Active CN107161325B (en) 2017-07-31 2017-07-31 Inside and outside wing flap crosslinking apparatus

Country Status (2)

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WO (1) WO2019024398A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019024398A1 (en) * 2017-07-31 2019-02-07 中国商用飞机有限责任公司 Coupling device for inner and outer flaps
CN112678151A (en) * 2021-01-13 2021-04-20 中国商用飞机有限责任公司 Device for cross-linking between flaps
CN113291458A (en) * 2021-06-25 2021-08-24 庆安集团有限公司 Inner and outer flap cross-linking device for high-lift system of airplane

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505839A1 (en) * 1985-02-20 1986-08-21 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen Failure protection device for flap systems on aircraft mainplanes
DE3522449A1 (en) * 1985-06-22 1987-01-02 Messerschmitt Boelkow Blohm Damping element
CN101432546A (en) * 2006-05-03 2009-05-13 空中客车德国有限公司 Interconnecting strut for arranging between adjacent landing flaps of an aircraft
CN102712358A (en) * 2009-11-05 2012-10-03 空中客车运作有限责任公司 A wing of an aircraft

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Publication number Priority date Publication date Assignee Title
US4336868A (en) * 1978-05-10 1982-06-29 Textron, Inc. Composite fibrous tube energy absorber
CN107161325B (en) * 2017-07-31 2018-09-11 中国商用飞机有限责任公司 Inside and outside wing flap crosslinking apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505839A1 (en) * 1985-02-20 1986-08-21 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen Failure protection device for flap systems on aircraft mainplanes
DE3522449A1 (en) * 1985-06-22 1987-01-02 Messerschmitt Boelkow Blohm Damping element
CN101432546A (en) * 2006-05-03 2009-05-13 空中客车德国有限公司 Interconnecting strut for arranging between adjacent landing flaps of an aircraft
CN102712358A (en) * 2009-11-05 2012-10-03 空中客车运作有限责任公司 A wing of an aircraft

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019024398A1 (en) * 2017-07-31 2019-02-07 中国商用飞机有限责任公司 Coupling device for inner and outer flaps
CN112678151A (en) * 2021-01-13 2021-04-20 中国商用飞机有限责任公司 Device for cross-linking between flaps
CN112678151B (en) * 2021-01-13 2022-04-01 中国商用飞机有限责任公司 Device for cross-linking between flaps
CN113291458A (en) * 2021-06-25 2021-08-24 庆安集团有限公司 Inner and outer flap cross-linking device for high-lift system of airplane

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Publication number Publication date
WO2019024398A1 (en) 2019-02-07
CN107161325B (en) 2018-09-11

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