CN103696877A - Reverse thrusting device with capacity of adjusting area of spray pipe - Google Patents
Reverse thrusting device with capacity of adjusting area of spray pipe Download PDFInfo
- Publication number
- CN103696877A CN103696877A CN201310652578.0A CN201310652578A CN103696877A CN 103696877 A CN103696877 A CN 103696877A CN 201310652578 A CN201310652578 A CN 201310652578A CN 103696877 A CN103696877 A CN 103696877A
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- nozzle
- outer culvert
- pressurized strut
- thrust reverser
- wall
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Abstract
The invention discloses a reverse thrusting device with the capacity of adjusting the area of a spray pipe. The reverse thrusting device comprises a motion part and a fixed part, and a motion mechanism is used for realizing the adjustment on the area of an outer culvert spray pipe and the opening and closing of the reverse thrusting device when the reverse thrusting device is in a closing state; an outer culvert spray pipe throat area A can be formed together by an outer culvert spray pipe outer wall surface and an outer culvert spray pipe inner wall surface when an actuating cylinder is in a retracting position, an outer culvert spray pipe throat area B is formed together by the outer culvert spray pipe outer wall surface and the outer culvert spray pipe inner wall surface, an outer culvert spray pipe throat area is positioned between A and B when the stretching length of the actuating cylinder is positioned between 0 and L, and thus the adjustment on the area of the outer culvert spray pipe throat area can be realized. The reverse thrusting device disclosed by the invention has the advantages that the structure form of an existing reverse thrusting device is not changed, only an existing structure is adaptively changed, and thus the adjustment requirement on the area of the outer culvert spray pipe throat area of a large-bypass-ratio engine can be realized on the premise that an original reverse thrusting function is ensured.
Description
Technical field
The present invention relates to aeroengine jet pipe field, particularly a kind of thrust reverser with nozzle area regulating power.
Background technique
Traditional thrust reverser only uses in aircraft landing process, and the large bypass ratio engine jet pipe throat area being formed by it is unadjustable.The different operating state of motor has different requirements to nozzle throat area, and non-adjustable jet pipe has limited the regulating power of motor, makes motor cannot continue to turn round in optimum Working.Therefore design a kind of method that can adjustable jet tube throat area, make motor when guaranteeing former reaction thrust function, there is throat area regulatory function, thus make motor in each operation point all in the optimum state, make motor all the time in high-efficiency operation.
Summary of the invention
The object of the present invention is to provide a kind of thrust reverser with nozzle area regulating power, realize that to take existing cascade type thrust reverser structure be that the outer culvert nozzle area relying on regulates.
The invention provides a kind of thrust reverser with nozzle area regulating power, it is characterized in that: the described thrust reverser with nozzle area regulating power comprises motion parts and standing part, motion for containing the adjusting of nozzle area and the opening and closing of thrust reverser outside thrust reverser closed condition realizes;
Described thrust reverser is mainly comprised of anti-cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, pressurized strut 4, leaf grating 5, reverse exhaust fairing 6, choked flow door 7, pull bar 8, outer culvert nozzle wall face 9 and the supporting base 10 of pushing away, wherein, diffusion antetheca 3, outer culvert nozzle wall face 9, leaf grating 5, reverse exhaust fairing 6 are standing part, each spare part of standing part is bolted or rivet connects, the anti-cowling 1 that pushes away, outer culvert jet pipe outer wall 2, pressurized strut 4, choked flow door 7, pull bar 8 and supporting base 10 are motion parts, each spare part of motion parts is bolted or rivet connects, wherein pressurized strut 4 one end are connected with standing part, the other end is connected with motion parts, when pressurized strut 4 is during in stowed position, outer culvert jet pipe outer wall 2 and the outer nozzle throat area A of containing of the common formation of outer culvert nozzle wall face 9, now the anti-cowling 1 that pushes away is L with reverse exhaust fairing 6 overlap distances, outer culvert jet pipe outer wall 2 is L with diffusion antetheca 3 overlap distances, when pressurized strut 4 extrusions are less than or equal to L, it promotes instead to push away cowling 1 and outer culvert jet pipe outer wall 2 translation displacements equate with pressurized strut extrusion, now counter pushing away between cowling 1 and reverse exhaust fairing 6 still keeps sealing, between outer culvert jet pipe outer wall 2 and diffusion antetheca 3, still keep sealing, now the outer jet pipe outer wall 2 of containing forms the outer nozzle throat area B of containing jointly with outer culvert nozzle wall face 3, pressurized strut 4 extrusions are between 0～L time, outer culvert nozzle throat area is between A～B, thereby realized the adjusting of outer culvert nozzle throat area, when pressurized strut extrusion is greater than L, former thrust reverser is started working, under the drive of pressurized strut, drag choked flow door 7 and pull bar 8 rotations, when pressurized strut reaches extreme length, stream is contained in 7 total blockages of choked flow door outward, air-flow flows out by leaf grating 5.
The described anti-quantity that pushes away cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, reverse exhaust fairing 6 and outer culvert nozzle wall face 9 is 2.
Described leaf grating 5 is 16.
Described choked flow door 7 and pull bar 8 are each 10.
The quantity of described supporting base 10 and pressurized strut 4 is 4～6.
Advantage of the present invention:
The thrust reverser with nozzle area regulating power of the present invention, do not change existing thrust reverser structural type, just existing structure is carried out to adaptability change, can realize and guarantee, under the front topic of former reaction thrust function, to realize the regulatory demand that large bypass ratio motor is contained nozzle throat area outward.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 area is adjustable thrust reverser closed condition schematic diagram;
Fig. 2 area is adjustable thrust reverser deployed condition schematic diagram;
Fig. 3 area is adjustable thrust reverser area adjustment state schematic diagram;
A is closed condition nozzle throat area; B is adjustment state nozzle throat area.
Embodiment
Embodiment 1
The invention provides a kind of thrust reverser with nozzle area regulating power, it is characterized in that: the described thrust reverser with nozzle area regulating power comprises motion parts and standing part, motion for containing the adjusting of nozzle area and the opening and closing of thrust reverser outside thrust reverser closed condition realizes;
Described thrust reverser is mainly comprised of anti-cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, pressurized strut 4, leaf grating 5, reverse exhaust fairing 6, choked flow door 7, pull bar 8, outer culvert nozzle wall face 9 and the supporting base 10 of pushing away, wherein, diffusion antetheca 3, outer culvert nozzle wall face 9, leaf grating 5, reverse exhaust fairing 6 are standing part, each spare part of standing part is bolted or rivet connects, the anti-cowling 1 that pushes away, outer culvert jet pipe outer wall 2, pressurized strut 4, choked flow door 7, pull bar 8 and supporting base 10 are motion parts, each spare part of motion parts is bolted or rivet connects, wherein pressurized strut 4 one end are connected with standing part, the other end is connected with motion parts, when pressurized strut 4 is during in stowed position, outer culvert jet pipe outer wall 2 and the outer nozzle throat area A of containing of the common formation of outer culvert nozzle wall face 9, now the anti-cowling 1 that pushes away is L with reverse exhaust fairing 6 overlap distances, outer culvert jet pipe outer wall 2 is L with diffusion antetheca 3 overlap distances, when pressurized strut 4 extrusions are less than or equal to L, it promotes instead to push away cowling 1 and outer culvert jet pipe outer wall 2 translation displacements equate with pressurized strut extrusion, now counter pushing away between cowling 1 and reverse exhaust fairing 6 still keeps sealing, between outer culvert jet pipe outer wall 2 and diffusion antetheca 3, still keep sealing, now the outer jet pipe outer wall 2 of containing forms the outer nozzle throat area B of containing jointly with outer culvert nozzle wall face 3, pressurized strut 4 extrusions are between 0～L time, outer culvert nozzle throat area is between A～B, thereby realized the adjusting of outer culvert nozzle throat area, when pressurized strut extrusion is greater than L, former thrust reverser is started working, under the drive of pressurized strut, drag choked flow door 7 and pull bar 8 rotations, when pressurized strut reaches extreme length, stream is contained in 7 total blockages of choked flow door outward, air-flow flows out by leaf grating 5.
The described anti-quantity that pushes away cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, reverse exhaust fairing 6 and outer culvert nozzle wall face 9 is 2.
Described leaf grating 5 is 16.
Described choked flow door 7 and pull bar 8 are each 10.
The quantity of described supporting base 10 and pressurized strut 4 is 4.
Embodiment 2
The invention provides a kind of thrust reverser with nozzle area regulating power, it is characterized in that: the described thrust reverser with nozzle area regulating power comprises motion parts and standing part, motion for containing the adjusting of nozzle area and the opening and closing of thrust reverser outside thrust reverser closed condition realizes;
Described thrust reverser is mainly comprised of anti-cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, pressurized strut 4, leaf grating 5, reverse exhaust fairing 6, choked flow door 7, pull bar 8, outer culvert nozzle wall face 9 and the supporting base 10 of pushing away, wherein, diffusion antetheca 3, outer culvert nozzle wall face 9, leaf grating 5, reverse exhaust fairing 6 are standing part, each spare part of standing part is bolted or rivet connects, the anti-cowling 1 that pushes away, outer culvert jet pipe outer wall 2, pressurized strut 4, choked flow door 7, pull bar 8 and supporting base 10 are motion parts, each spare part of motion parts is bolted or rivet connects, wherein pressurized strut 4 one end are connected with standing part, the other end is connected with motion parts, when pressurized strut 4 is during in stowed position, outer culvert jet pipe outer wall 2 and the outer nozzle throat area A of containing of the common formation of outer culvert nozzle wall face 9, now the anti-cowling 1 that pushes away is L with reverse exhaust fairing 6 overlap distances, outer culvert jet pipe outer wall 2 is L with diffusion antetheca 3 overlap distances, when pressurized strut 4 extrusions are less than or equal to L, it promotes instead to push away cowling 1 and outer culvert jet pipe outer wall 2 translation displacements equate with pressurized strut extrusion, now counter pushing away between cowling 1 and reverse exhaust fairing 6 still keeps sealing, between outer culvert jet pipe outer wall 2 and diffusion antetheca 3, still keep sealing, now the outer jet pipe outer wall 2 of containing forms the outer nozzle throat area B of containing jointly with outer culvert nozzle wall face 3, pressurized strut 4 extrusions are between 0～L time, outer culvert nozzle throat area is between A～B, thereby realized the adjusting of outer culvert nozzle throat area, when pressurized strut extrusion is greater than L, former thrust reverser is started working, under the drive of pressurized strut, drag choked flow door 7 and pull bar 8 rotations, when pressurized strut reaches extreme length, stream is contained in 7 total blockages of choked flow door outward, air-flow flows out by leaf grating 5.
The described anti-quantity that pushes away cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, reverse exhaust fairing 6 and outer culvert nozzle wall face 9 is 2.
Described leaf grating 5 is 16.
Described choked flow door 7 and pull bar 8 are each 10.
The quantity of described supporting base 10 and pressurized strut 4 is 5.
The invention provides a kind of thrust reverser with nozzle area regulating power, it is characterized in that: the described thrust reverser with nozzle area regulating power comprises motion parts and standing part, motion for containing the adjusting of nozzle area and the opening and closing of thrust reverser outside thrust reverser closed condition realizes;
Described thrust reverser is mainly comprised of anti-cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, pressurized strut 4, leaf grating 5, reverse exhaust fairing 6, choked flow door 7, pull bar 8, outer culvert nozzle wall face 9 and the supporting base 10 of pushing away, wherein, diffusion antetheca 3, outer culvert nozzle wall face 9, leaf grating 5, reverse exhaust fairing 6 are standing part, each spare part of standing part is bolted or rivet connects, the anti-cowling 1 that pushes away, outer culvert jet pipe outer wall 2, pressurized strut 4, choked flow door 7, pull bar 8 and supporting base 10 are motion parts, each spare part of motion parts is bolted or rivet connects, wherein pressurized strut 4 one end are connected with standing part, the other end is connected with motion parts, when pressurized strut 4 is during in stowed position, outer culvert jet pipe outer wall 2 and the outer nozzle throat area A of containing of the common formation of outer culvert nozzle wall face 9, now the anti-cowling 1 that pushes away is L with reverse exhaust fairing 6 overlap distances, outer culvert jet pipe outer wall 2 is L with diffusion antetheca 3 overlap distances, when pressurized strut 4 extrusions are less than or equal to L, it promotes instead to push away cowling 1 and outer culvert jet pipe outer wall 2 translation displacements equate with pressurized strut extrusion, now counter pushing away between cowling 1 and reverse exhaust fairing 6 still keeps sealing, between outer culvert jet pipe outer wall 2 and diffusion antetheca 3, still keep sealing, now the outer jet pipe outer wall 2 of containing forms the outer nozzle throat area B of containing jointly with outer culvert nozzle wall face 3, pressurized strut 4 extrusions are between 0～L time, outer culvert nozzle throat area is between A～B, thereby realized the adjusting of outer culvert nozzle throat area, when pressurized strut extrusion is greater than L, former thrust reverser is started working, under the drive of pressurized strut, drag choked flow door 7 and pull bar 8 rotations, when pressurized strut reaches extreme length, stream is contained in 7 total blockages of choked flow door outward, air-flow flows out by leaf grating 5.
The described anti-quantity that pushes away cowling 1, outer culvert jet pipe outer wall 2, diffusion antetheca 3, reverse exhaust fairing 6 and outer culvert nozzle wall face 9 is 2.
Described leaf grating 5 is 16.
Described choked flow door 7 and pull bar 8 are each 10.
The quantity of described supporting base 10 and pressurized strut 4 is 6.
Claims (5)
1. a thrust reverser with nozzle area regulating power, it is characterized in that: the described thrust reverser with nozzle area regulating power comprises motion parts and standing part, motion for containing the adjusting of nozzle area and the opening and closing of thrust reverser outside thrust reverser closed condition realizes;
Described thrust reverser is mainly comprised of anti-cowling (1), outer culvert jet pipe outer wall (2), diffusion antetheca (3), pressurized strut (4), leaf grating (5), reverse exhaust fairing (6), choked flow door (7), pull bar (8), outer culvert nozzle wall face (9) and the supporting base (10) of pushing away, wherein, diffusion antetheca (3), outer culvert nozzle wall face (9), leaf grating (5), reverse exhaust fairing (6) are standing part, each spare part of standing part is bolted or rivet connects, the anti-cowling (1) that pushes away, outer culvert jet pipe outer wall (2), pressurized strut (4), choked flow door (7), pull bar (8) and supporting base (10) are motion parts, each spare part of motion parts is bolted or rivet connects, wherein pressurized strut (4) one end is connected with standing part, the other end is connected with motion parts, when pressurized strut (4) is during in stowed position, outer culvert jet pipe outer wall (2) is contained nozzle throat area A outside forming with outer culvert nozzle wall face (9) is common, now the anti-cowling (1) that pushes away is L with reverse exhaust fairing (6) overlap distance, outer culvert jet pipe outer wall (2) is L with diffusion antetheca (3) overlap distance, when pressurized strut (4) extrusion is less than or equal to L, it promotes instead to push away cowling (1) and outer culvert jet pipe outer wall (2) translation displacement equates with pressurized strut extrusion, now counter pushing away between cowling (1) and reverse exhaust fairing (6) still keeps sealing, between outer culvert jet pipe outer wall (2) and diffusion antetheca (3), still keep sealing, now the outer jet pipe outer wall (2) of containing forms the outer nozzle throat area B of containing jointly with outer culvert nozzle wall face (3), pressurized strut (4) extrusion is between 0～L time, outer culvert nozzle throat area is between A～B, thereby realized the adjusting of outer culvert nozzle throat area, when pressurized strut extrusion is greater than L, former thrust reverser is started working, under the drive of pressurized strut, dragging choked flow door (7) and pull bar (8) rotates, when pressurized strut reaches extreme length, stream is contained in choked flow door (7) total blockage outward, air-flow flows out by leaf grating (5).
2. according to the thrust reverser with nozzle area regulating power claimed in claim 1, it is characterized in that: the described anti-quantity that pushes away cowling (1), outer culvert jet pipe outer wall (2), diffusion antetheca (3), reverse exhaust fairing (6) and outer culvert nozzle wall face (9) is 2.
3. according to the thrust reverser with nozzle area regulating power claimed in claim 1, it is characterized in that: described leaf grating (5) is 16.
4. according to the thrust reverser with nozzle area regulating power claimed in claim 1, it is characterized in that: described choked flow door (7) and pull bar (8) are each 10.
5. according to the thrust reverser with nozzle area regulating power claimed in claim 1, it is characterized in that: the quantity of described supporting base (10) and pressurized strut (4) is 4～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652578.0A CN103696877A (en) | 2013-12-05 | 2013-12-05 | Reverse thrusting device with capacity of adjusting area of spray pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310652578.0A CN103696877A (en) | 2013-12-05 | 2013-12-05 | Reverse thrusting device with capacity of adjusting area of spray pipe |
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| CN103696877A true CN103696877A (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310652578.0A Pending CN103696877A (en) | 2013-12-05 | 2013-12-05 | Reverse thrusting device with capacity of adjusting area of spray pipe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033274A (en) * | 2014-05-18 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel axial-symmetry convergence and expansion spray pipe using single actuation system |
| CN104596769A (en) * | 2014-12-14 | 2015-05-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Real thrust measuring and calculating method for test run of aero-engine on indoor test bed |
| CN104806378A (en) * | 2015-04-02 | 2015-07-29 | 中国航空工业集团公司沈阳发动机设计研究所 | Binary plug type spray pipe having reverse thrusting function |
| CN104963787A (en) * | 2015-07-09 | 2015-10-07 | 中国航空工业集团公司沈阳发动机设计研究所 | Binary spraying pipe with reverse thrusting function |
| CN108087150A (en) * | 2016-11-22 | 2018-05-29 | 江西洪都航空工业集团有限责任公司 | A kind of supersonic missile thrust type small sized turbine Duct-Burning Turbofan |
| CN108626023A (en) * | 2017-03-23 | 2018-10-09 | 中国航发商用航空发动机有限责任公司 | Big Bypass Ratio Turbofan Engine and its variable outer exhaust apparatus for containing leaving area |
| CN109209676A (en) * | 2017-06-30 | 2019-01-15 | 中国航发商用航空发动机有限责任公司 | A kind of thrust reverser choked flow door sealing mechanism |
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| CN101104441A (en) * | 2006-07-11 | 2008-01-16 | 通用电气公司 | Gas turbine engine and method of operating same |
| CN102844238A (en) * | 2010-04-28 | 2012-12-26 | 埃尔塞乐公司 | Nacelle for an aircraft engine with cascade-type thrust reverser and variable-geometry nozzle |
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| EP2602464A2 (en) * | 2011-12-08 | 2013-06-12 | Honeywell International Inc. | Common control for thrust reverser and variable area fan nozzle |
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Patent Citations (5)
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| US20040079073A1 (en) * | 2002-10-29 | 2004-04-29 | Ramlaoui Jihad I. | Cascadeless fan thrust reverser with plume control |
| CN101104441A (en) * | 2006-07-11 | 2008-01-16 | 通用电气公司 | Gas turbine engine and method of operating same |
| CN102933828A (en) * | 2010-04-20 | 2013-02-13 | 埃尔塞乐公司 | Nacelle for an aircraft engine with variable cross-section nozzle |
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| EP2602464A2 (en) * | 2011-12-08 | 2013-06-12 | Honeywell International Inc. | Common control for thrust reverser and variable area fan nozzle |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033274A (en) * | 2014-05-18 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel axial-symmetry convergence and expansion spray pipe using single actuation system |
| CN104033274B (en) * | 2014-05-18 | 2016-08-24 | 中国航空工业集团公司沈阳发动机设计研究所 | The axial symmetry of a kind of single actuating system is received and is expanded jet pipe |
| CN104596769A (en) * | 2014-12-14 | 2015-05-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | Real thrust measuring and calculating method for test run of aero-engine on indoor test bed |
| CN104596769B (en) * | 2014-12-14 | 2017-05-10 | 中国航空工业集团公司北京长城计量测试技术研究所 | Real thrust measuring and calculating method for test run of aero-engine on indoor test bed |
| CN104806378A (en) * | 2015-04-02 | 2015-07-29 | 中国航空工业集团公司沈阳发动机设计研究所 | Binary plug type spray pipe having reverse thrusting function |
| CN104963787A (en) * | 2015-07-09 | 2015-10-07 | 中国航空工业集团公司沈阳发动机设计研究所 | Binary spraying pipe with reverse thrusting function |
| CN108087150A (en) * | 2016-11-22 | 2018-05-29 | 江西洪都航空工业集团有限责任公司 | A kind of supersonic missile thrust type small sized turbine Duct-Burning Turbofan |
| CN108087150B (en) * | 2016-11-22 | 2020-02-18 | 江西洪都航空工业集团有限责任公司 | Boost type small turbofan engine for supersonic missile |
| CN108626023A (en) * | 2017-03-23 | 2018-10-09 | 中国航发商用航空发动机有限责任公司 | Big Bypass Ratio Turbofan Engine and its variable outer exhaust apparatus for containing leaving area |
| CN108626023B (en) * | 2017-03-23 | 2019-12-10 | 中国航发商用航空发动机有限责任公司 | turbofan engine with large bypass ratio and exhaust device with variable bypass exhaust area |
| CN109209676A (en) * | 2017-06-30 | 2019-01-15 | 中国航发商用航空发动机有限责任公司 | A kind of thrust reverser choked flow door sealing mechanism |
| CN109209676B (en) * | 2017-06-30 | 2019-12-20 | 中国航发商用航空发动机有限责任公司 | Choke valve sealing mechanism of reverse thrust device |
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Application publication date: 20140402 |