CN105370437A - Contracting nozzle with excellent invisibility function - Google Patents
Contracting nozzle with excellent invisibility function Download PDFInfo
- Publication number
- CN105370437A CN105370437A CN201410420969.4A CN201410420969A CN105370437A CN 105370437 A CN105370437 A CN 105370437A CN 201410420969 A CN201410420969 A CN 201410420969A CN 105370437 A CN105370437 A CN 105370437A
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- nozzle
- sealing
- component
- outer cover
- active adjustment
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- 238000007789 sealing Methods 0.000 claims abstract description 49
- 230000007704 transition Effects 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000007849 functional defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention provides a contracting nozzle with an excellent invisibility function. The contracting nozzle with the excellent invisibility function comprises a transitional section cylinder, a driving adjusting plate, a sealing adjusting plate, an actuator cylinder, a hollow swirl flow body and an outer cover component, wherein the front end of the transitional section cylinder is connected with an engine and is used as a supporting component of the whole nozzle; the driving adjusting plate is used as a driving adjusting component for the outlet area of the nozzle; the sealing adjusting plate is used as a sealing component for an internal runner of the whole nozzle; the actuator cylinder is used as a driving component for area adjustment of the whole nozzle; the hollow swirl flow body is located in the runner of the whole nozzle and used for shielding a hot-end component at the front end; the outer cover is located outside the nozzle and used for rectifying external airflow. The contracting nozzle with the excellent invisibility function has the beneficial effects that an inner runner of a conventional contracting nozzle is not affected; the invisibility capacity is excellent; and defects of the invisibility function of conventional axisymmetric converging-diverging nozzles are overcome. The contracting nozzle further has the beneficial effects of being simple in structure and high in reliability.
Description
Technical field
The present invention relates to and belong to aeroengine jet pipe field, relate to a kind of contracting nozzle with good stealthy function, be also applicable to the engine jet pipe field, empty sky of demand simultaneously.
Background technique
Although traditional exit cross-section is leg-of-mutton contracting nozzle be provided with good stealthy function than traditional axisymmetric nozzle and two-dimensional nozzle, but because inside is hollow structure, component is not had to block hot junction, front end component, cause its infrared stealth ability more weak, if add traditional airtight centerbody at jet pipe, then inner flowing characteristic can be had a strong impact on.So in order to make traditional exit cross-section be that leg-of-mutton contracting nozzle has good stealth capabilities, and don't affecting inner flowing characteristic, a kind of contracting nozzle need be designed.
Summary of the invention
The object of the present invention is to provide a kind of contracting nozzle with good stealthy function, there is the inner flow passage not affecting conventional contracting nozzle, good stealth capabilities, makes up conventional axisymmetric and receives the stealthy functional defect of expansion jet pipe, have the advantage that structure is simple, reliability is high simultaneously concurrently.
A kind of contracting nozzle with good stealthy function provided by the invention, is characterized in that: primarily of transition section cylinder 1, active adjustment plate 2, sealing regulator plate 3, pressurized strut 4, hollow rotary fluid 5 and outer cover component, wherein:
The section of crossing cylindrical shell 1 front end is connected with motor, as the supporting member of whole jet pipe;
Active adjustment plate 2 front end is connected with transition section cylinder 1 tail end by revolute pair, and two sides of active adjustment plate 2 are connected, as the active adjustment component of nozzle exit area with sealing regulator plate 3 by planar pair flat pair;
Sealing regulator plate 3 front end is connected with transition section cylinder 1 tail end, as the sealing component of the inner flow passage of whole jet pipe by revolute pair;
Active adjustment plate 2 is uniform along jet pipe circumference with sealing regulator plate 3, the inner flow passage of common composition jet pipe;
Pressurized strut 4 front end is connected in transition section cylinder 1, and afterbody is connected by revolute pair or linkage mechanism with active adjustment plate 2, as the driving component that whole nozzle area regulates;
Hollow rotary fluid 5 is arranged in whole jet pipe inner flow passage, is connected with transition section cylinder, for blocking hot junction, front end component;
Outer cover component forms primarily of adjusting member outer cover 6 and sealing component outer cover 7, is positioned at outside jet pipe, and adjusting member outer cover 6 is connected by mechanical connection manner with active adjustment plate 2; Sealing component outer cover 7 is connected with sealing regulator plate 3 by mechanical connection manner, realizes the rectification to outer gas stream.
Described transition section cylinder 1 front-end face is ring face, and ear end face is triangle ring surface.
Described active adjustment plate 2 is connected with transition section cylinder 1 afterbody triangle sides jointing place respectively, and quantity is 3.
Described active adjustment plate 2 is beloid, and cross section is angular structure, and the angle between bi-side and transition section cylinder 1 ear end face are that the side angle of triangle ring surface is equal.
Described active adjustment plate 2 is alternately distributed with sealing regulator plate 3.
Described sealing regulator plate 3 is connected with transition section cylinder 1 afterbody triangle sides respectively, and quantity is 3.
Described sealing regulator plate 3 is positioned at outside adjacent active regulator plate 2.
Described sealing regulator plate 3 is positioned at inside adjacent active regulator plate 2.
Described adjusting member outer cover 6 quantity is identical with active adjustment plate 2.
Described sealing component outer cover 7 quantity is identical with sealing regulator plate 3.
Described according to stealthy requirement, stealthy type of repairing is carried out to active adjustment plate 2 and sealing regulator plate 3 and designs.
Described adjusting member outer cover 6 and sealing component outer cover 7 and active adjustment plate 2 and seal regulator plate 3 and coordinate and carry out stealthy type of repairing and design.
Advantage of the present invention:
The contracting nozzle with good stealthy function provided by the invention does not affect the inner flow passage of conventional contracting nozzle, good stealth capabilities, makes up conventional axisymmetric and receives the stealthy functional defect of expansion jet pipe, have the advantage that structure is simple, reliability is high simultaneously concurrently.
Accompanying drawing explanation
Fig. 1 is the contracting nozzle plan view with good stealthy function;
Fig. 2 is the contracting nozzle right elevation with good stealthy function;
Fig. 3 is the contracting nozzle sectional view with good stealthy function;
Fig. 4 is the contracting nozzle front elevation with outer cover;
Fig. 5 is the contracting nozzle sectional view with outer cover.
Embodiment
Embodiment 1
There is a contracting nozzle for good stealthy function, primarily of transition section cylinder 1, active adjustment plate 2, sealing regulator plate 3, pressurized strut 4, hollow rotary fluid 5 and outer cover component, wherein:
The section of crossing cylindrical shell 1 front end is connected with motor, as the supporting member of whole jet pipe;
Active adjustment plate 2 front end is connected with transition section cylinder 1 tail end by revolute pair, and two sides of active adjustment plate 2 are connected, as the active adjustment component of nozzle exit area with sealing regulator plate 3 by planar pair flat pair;
Sealing regulator plate 3 front end is connected with transition section cylinder 1 tail end, as the sealing component of the inner flow passage of whole jet pipe by revolute pair;
Active adjustment plate 2 is uniform along jet pipe circumference with sealing regulator plate 3, the inner flow passage of common composition jet pipe;
Pressurized strut 4 front end is fixed on outside transition section cylinder 1, and rear end is connected with active adjustment plate 2 by pull bar 8, as the driving component that whole nozzle area regulates;
Hollow rotary fluid 5 is arranged in whole jet pipe inner flow passage, is connected in transition section cylinder, for blocking hot junction, front end component by the strut 9 of hollow;
Outer cover component forms primarily of adjusting member outer cover 6 and sealing component outer cover 7, is positioned at outside jet pipe, and adjusting member outer cover 6 is connected by mechanical connection manner with active adjustment plate 2; Sealing component outer cover 7 is connected with sealing regulator plate 3 by mechanical connection manner, realizes the rectification to outer gas stream.
Described transition section cylinder 1 front-end face is ring face, and ear end face is triangle ring surface.
Described active adjustment plate 2 is connected with transition section cylinder 1 afterbody triangle sides jointing place respectively, and quantity is 3.
Described active adjustment plate 2 is beloid, and cross section is angular structure, and the angle between bi-side and transition section cylinder 1 ear end face are that the side angle of triangle ring surface is equal.
Described active adjustment plate 2 is alternately distributed with sealing regulator plate 3.
Described sealing regulator plate 3 is connected with transition section cylinder 1 afterbody triangle sides respectively, and quantity is 3.
Described sealing regulator plate 3 is positioned at outside adjacent active regulator plate 2.
Described sealing regulator plate 3 is positioned at inside adjacent active regulator plate 2.
Described adjusting member outer cover 6 quantity is identical with active adjustment plate 2.
Described sealing component outer cover 7 quantity is identical with sealing regulator plate 3.
Described according to stealthy requirement, stealthy type of repairing is carried out to active adjustment plate 2 and sealing regulator plate 3 and designs.
Described adjusting member outer cover 6 and sealing component outer cover 7 and active adjustment plate 2 and seal regulator plate 3 and coordinate and carry out stealthy type of repairing and design.
Claims (10)
1. there is a contracting nozzle for good stealthy function, it is characterized in that: comprise transition section cylinder (1), active adjustment plate (2), sealing regulator plate (3), pressurized strut (4), hollow rotary fluid (5) and outer cover component;
Wherein: the section of crossing cylindrical shell (1) front end is connected with motor, as the supporting member of whole jet pipe;
Active adjustment plate (2) front end is connected with transition section cylinder (1) tail end by revolute pair, two sides of active adjustment plate (2) are connected, as the active adjustment component of nozzle exit area with sealing regulator plate (3) by planar pair flat pair;
Sealing regulator plate (3) front end is connected with transition section cylinder (1) tail end, as the sealing component of the inner flow passage of whole jet pipe by revolute pair;
Active adjustment plate (2) and sealing regulator plate (3) uniform along jet pipe circumference, the inner flow passage of common composition jet pipe;
Pressurized strut (4) front end is connected in transition section cylinder (1), and afterbody is connected by revolute pair or linkage mechanism with active adjustment plate (2), as the driving component that whole nozzle area regulates;
Hollow rotary fluid (5) is arranged in whole jet pipe inner flow passage, is connected with transition section cylinder, for blocking hot junction, front end component;
Outer cover component is primarily of adjusting member outer cover (6) and sealing component outer cover (7) composition, and be positioned at outside jet pipe, adjusting member outer cover (6) is connected by mechanical connection manner with active adjustment plate (2); Sealing component outer cover (7) is connected with sealing regulator plate (3) by mechanical connection manner, realizes the rectification to outer gas stream.
2. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: transition section cylinder (1) front-end face is ring face, ear end face is triangle ring surface.
3. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: active adjustment plate (2) is connected with transition section cylinder (1) afterbody triangle sides jointing place respectively, and quantity is 3.
4. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: active adjustment plate (2) is for beloid, and cross section is angular structure, the angle between bi-side and transition section cylinder (1) ear end face are that the side angle of triangle ring surface is equal.
5. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: active adjustment plate (2) is alternately distributed with sealing regulator plate (3).
6. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: sealing regulator plate (3) is connected with transition section cylinder (1) afterbody triangle sides respectively, and quantity is 3.
7. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: sealing regulator plate (3) is positioned at adjacent active regulator plate (2) outside.
8. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: sealing regulator plate (3) is positioned at adjacent active regulator plate (2) inner side.
9. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: adjusting member outer cover (6) quantity is identical with active adjustment plate (2).
10. according to the contracting nozzle with good stealthy function according to claim 1, it is characterized in that: sealing component outer cover (7) quantity is identical with sealing regulator plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420969.4A CN105370437A (en) | 2014-08-25 | 2014-08-25 | Contracting nozzle with excellent invisibility function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410420969.4A CN105370437A (en) | 2014-08-25 | 2014-08-25 | Contracting nozzle with excellent invisibility function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370437A true CN105370437A (en) | 2016-03-02 |
Family
ID=55372968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410420969.4A Pending CN105370437A (en) | 2014-08-25 | 2014-08-25 | Contracting nozzle with excellent invisibility function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370437A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087148A (en) * | 2017-12-11 | 2018-05-29 | 中国航发沈阳发动机研究所 | A kind of infrared stealth jet pipe and with its aircraft |
| CN113374596A (en) * | 2021-06-21 | 2021-09-10 | 中国航发沈阳发动机研究所 | High stealthy binary spray tube structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483012A (en) * | 2009-09-04 | 2012-05-30 | 埃尔塞乐公司 | structured assembly of exhaust nozzle |
| CN103423025A (en) * | 2013-08-07 | 2013-12-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Convergent nozzle |
| CN103696873A (en) * | 2013-12-04 | 2014-04-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Axisymmetric vectoring nozzle with good stealth function |
-
2014
- 2014-08-25 CN CN201410420969.4A patent/CN105370437A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483012A (en) * | 2009-09-04 | 2012-05-30 | 埃尔塞乐公司 | structured assembly of exhaust nozzle |
| CN103423025A (en) * | 2013-08-07 | 2013-12-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Convergent nozzle |
| CN103696873A (en) * | 2013-12-04 | 2014-04-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Axisymmetric vectoring nozzle with good stealth function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087148A (en) * | 2017-12-11 | 2018-05-29 | 中国航发沈阳发动机研究所 | A kind of infrared stealth jet pipe and with its aircraft |
| CN113374596A (en) * | 2021-06-21 | 2021-09-10 | 中国航发沈阳发动机研究所 | High stealthy binary spray tube structure |
| CN113374596B (en) * | 2021-06-21 | 2022-05-31 | 中国航发沈阳发动机研究所 | High stealthy binary spray tube structure |
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Application publication date: 20160302 |
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