CN114991991A - Stress application vibration-proof heat screen with cold air adjusting function - Google Patents
Stress application vibration-proof heat screen with cold air adjusting function Download PDFInfo
- Publication number
- CN114991991A CN114991991A CN202210601993.2A CN202210601993A CN114991991A CN 114991991 A CN114991991 A CN 114991991A CN 202210601993 A CN202210601993 A CN 202210601993A CN 114991991 A CN114991991 A CN 114991991A
- Authority
- CN
- China
- Prior art keywords
- hole
- heat shield
- adjusting
- holes
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000009711 regulatory function Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention provides a forced anti-vibration heat shield with a cold air adjusting function, which comprises: the double-layer anti-vibration heat shield is provided with an impact plate and a divergent plate which are arranged at intervals, the impact plate is provided with a corrugated structure, and the wave crest of the corrugated structure is provided with a variable mixing hole; the adjusting valve can be rotatably arranged on the outer side of the impact plate, can be in contact fit with the wave crest of the corrugated structure, and is provided with an adjusting hole in matched communication with the variable mixing hole; and the driving assembly is connected with the adjusting valve and can drive the adjusting valve to rotate relative to the corrugated structure, and the flow area between the adjusting hole and the variable mixing hole is changed. Through setting up drive assembly and governing valve, can realize adjusting the change of the flow area between hole and the variable mixing hole to make afterburning antivibration heat shield have air conditioning regulatory function, and then can be applicable to the great change cycle engine cooling design of bypass ratio change.
Description
Technical Field
The invention relates to the technical field of aircraft engines, in particular to a stress application anti-vibration heat shield with a cold air adjusting function.
Background
Along with the improvement of the fighter on the maneuverability requirement, the temperature of gas at a boosting outlet of a modern advanced engine can reach more than 2100K, meanwhile, in order to reduce the oil consumption rate of the engine, the cooling gas consumption of the engine is continuously reduced, particularly in a variable cycle engine, compared with a conventional engine, the most remarkable characteristic is that the engine is in an engine working envelope line, the variation range of a bypass ratio is large, if a fixed opening area is adopted for cooling design, the boosting combustion efficiency is greatly changed under different working conditions, and great challenge is brought to the cooling design of a boosting vibration-proof heat shield.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide a forced anti-vibration heat shield with a cool air adjusting function, so that the forced anti-vibration heat shield has the cool air adjusting function.
The embodiment of the specification provides the following technical scheme: a forced anti-vibration heat shield having a cool air adjusting function, comprising:
the double-layer anti-vibration heat shield is provided with an impact plate and a divergent plate which are arranged at intervals, the impact plate is provided with a corrugated structure, and the wave crest of the corrugated structure is provided with a variable mixing hole;
the adjusting valve can be rotatably arranged on the outer side of the impact plate, can be in contact fit with the wave crest of the corrugated structure, and is provided with an adjusting hole in matched communication with the variable mixing hole;
and the driving assembly is connected with the adjusting valve and can drive the adjusting valve to rotate relative to the corrugated structure, and the flow area between the adjusting hole and the variable mixing hole is changed.
Furthermore, the trough of the corrugated structure is provided with an impact hole, the regulating valve is provided with a fixed mixing hole, and the fixed mixing hole corresponds to the impact hole and is always communicated with the impact hole.
Further, the ratio of the area of the fixed dilution holes to the area of the impingement holes is greater than or equal to 1.2.
Further, the ratio of the aperture of the regulating hole to the aperture of the variable mixing hole is in the range of 0.8 to 1.2.
Furthermore, a plurality of vibration-proof holes and a plurality of divergence holes are arranged on the divergence plate, a plurality of impact holes and a plurality of variable mixing holes are arranged at the impact plate, and the sum of the areas of the impact holes and the variable mixing holes is smaller than the sum of the areas of the vibration-proof holes and the divergence holes.
Furthermore, a wear-resistant coating is arranged on the contact surface of the wave crest and the regulating valve.
Further, the drive assembly includes:
the actuating cylinder is arranged on the outer side of the boosting cylinder casing;
one end of the rocker arm is connected with the actuating cylinder;
and the transmission crank can be rotatably arranged on the transmission crank mounting seat of the stressing barrel casing, one end of the transmission crank penetrates through the stressing barrel casing and is connected with the other end of the rocker arm, and the other end of the transmission crank is connected with the adjusting valve and can drive the adjusting valve to rotate relative to the double-layer anti-vibration heat insulation screen.
Furthermore, the driving assembly further comprises a sliding block assembly, and the sliding block assembly is arranged on the adjusting valve and connected with the other end of the transmission crank.
Further, double-deck antivibration heat screen still includes the support ring, sets up at the impingement plate and disperses between the board, and the both ends of support ring respectively with the impingement plate with disperse the board and be connected.
Compared with the prior art, the embodiment of the specification adopts at least one technical scheme which can achieve the beneficial effects that at least: through setting up drive assembly and governing valve, can realize adjusting the change of the flow area between hole and the variable mixing hole to make afterburning antivibration heat shield have air conditioning regulatory function, and then can be applicable to the great change cycle engine cooling design of bypass ratio change.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a double-layer anti-vibration heat shield;
FIG. 3 is a schematic view of the adjustment mechanism;
fig. 4 is an enlarged schematic view of the structure of the end face of the vibration-proof heat shield and the adjusting mechanism.
Reference numbers in the figures: 11. a boost barrel casing; 12. a double-layer anti-vibration heat-insulation screen; 13. an adjustment mechanism; 20. an impact plate; 21. a dispersing plate; 22. a support ring; 23. an arcuate shelf assembly; 24. riveting; 25. a front section of the impingement plate; 26. a middle section of the impact plate; 27. a strike plate rear section; 28. a corrugated structure; 30. an actuator cylinder; 31. a rocker arm; 32. a drive crank; 33. a slider assembly; 34. adjusting a valve; 40. an impingement hole; 41. a variable blend aperture; 42. a vibration-proof hole; 43. a diverging aperture; 44. fixing the mixing hole; 45. and adjusting the hole.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 4, the embodiment of the present invention provides a forced anti-vibration heat shield with a cold air adjusting function, which comprises a double-layer anti-vibration heat shield 12, an adjusting valve 34 and a driving assembly. The double-layer anti-vibration heat shield 12 is provided with an impact plate 20 and a diffusion plate 21 which are arranged at intervals, the impact plate 20 is provided with a corrugated structure 28, and the wave crest of the corrugated structure 28 is provided with a variable mixing hole 41; the adjusting valve 34 is rotatably arranged outside the impact plate 20, the adjusting valve 34 can be in contact fit with the wave crest of the corrugated structure 28, and the adjusting valve 34 is provided with an adjusting hole 45 which is in fit communication with the variable blending hole 41; a drive assembly is connected to the regulator flap 34 and is capable of driving the regulator flap 34 to rotate relative to the corrugated structure 28, the drive assembly being capable of varying the flow area between the regulator orifice 45 and the variable dilution orifice 41.
Through setting up drive assembly and adjusting valve 34, can realize adjusting the change of the flow area between hole 45 and the variable mixing hole 41 to make afterburning antivibration heat shield have the air conditioning regulatory function, and then can be applicable to the great change circulation engine cooling design of bypass ratio.
Wherein, it should be noted that the double-layer vibration-proof heat shield 12 is installed in the boost cylinder casing 11, and the double-layer vibration-proof heat shield 12 comprises an impact plate 20, a diffuser plate 21, a support ring 22, a bow-shaped frame assembly 23 and a rivet 24; the striking plate 20 includes: the three parts of the front impact plate section 25, the middle impact plate section 26 and the rear impact plate section 27 are connected through riveting or welding, and the corrugated structure 28 is arranged on the middle impact plate section 26.
As shown in fig. 1 and 4, the trough of the corrugated structure 28 is provided with an impact hole 40, the regulating valve 34 is provided with a fixed mixing hole 44, and the fixed mixing hole 44 corresponds to the impact hole 40 and is always conducted. The arrangement of the fixed mixing holes 44 and the impact holes 40 can ensure the minimum cold air entering amount, so that the stress application vibration-proof heat shield has a basic cooling function.
Preferably, the ratio of the area of the fixed dilution holes 44 to the area of the impingement holes 40 is greater than or equal to 1.2, thereby ensuring efficient air intake by the impingement holes.
The ratio of the aperture of the regulating hole 45 to the aperture of the variable mixing hole 41 is in the range of 0.8 to 1.2. The aperture of the adjustment hole 45 is defined with the aperture of the variable dilution hole 41 in order to increase smoothness upon adjustment and to allow the application to cover a wider adjustment range.
The dispersion plate 21 is provided with a plurality of vibration preventing holes 42 and a plurality of dispersion holes 43, the impact holes 40 and the variable mixing holes 41 at the impact plate 20 are all multiple, and the sum of the areas of the impact holes 40 and the variable mixing holes 41 is smaller than the sum of the areas of the vibration preventing holes 42 and the dispersion holes 43. This is provided for the purpose of throttling the impingement plate 20 during operation.
The contact end face of the regulating valve 34 and the double-layer anti-vibration heat shield 12 in the embodiment is at the peak, so that the friction contact area can be reduced, the mechanism clamping stagnation risk is reduced, and preferably, the contact face of the peak and the regulating valve 34 is provided with a wear-resistant coating, so that the friction resistance can be reduced, and the service life of the heat shield is prolonged.
It should be noted that the regulating valve 34 is a full ring structure, and performs a spiral motion during the regulating process.
As shown in fig. 3, the driving assembly includes: ram 30, rocker arm 31 and drive crank 32. The actuating cylinder 30 is arranged on the outer side of the boosting cylinder casing 11; one end of the rocker arm 31 is connected with the actuating cylinder 30; the transmission crank 32 is rotatably arranged on a transmission crank mounting seat of the stressing barrel casing 11, one end of the transmission crank 32 penetrates through the stressing barrel casing 11 and is connected with the other end of the rocker arm 31, and the other end of the transmission crank 32 is connected with the adjusting valve 34 and can drive the adjusting valve 34 to rotate relative to the double-layer anti-vibration heat insulation screen 12.
Further, the driving assembly further includes a slider assembly 33, and the slider assembly 33 is disposed on the regulating shutter 34 and connected to the other end of the driving crank 32.
The actuating cylinder 30 is driven by hydraulic pressure to push the rocker arm 31 to rotate around the transmission crank 32, so as to drive the transmission crank 32 to rotate, and then drive the adjusting valve 34 to make spiral motion along the axis of the engine through the sliding block assembly 33; the regulating valve 34 is a full-ring revolving body structure, and is in contact fit with the wave crest end surface of the impact plate 20, and the relative position of the variable mixing hole 41 changes when the regulating valve 34 moves, so that the function of adjusting the air inlet area is realized.
It should be noted that, in this embodiment, the adjusting mechanism 13 is composed of the adjusting valve 34 and the driving assembly, the thrust cylinder housing 11 is provided with a driving crank mounting seat, and the thrust cylinder housing 11 adopts a split structure to facilitate the assembly of the adjusting mechanism 13 and the double-layer anti-vibration heat shield 12.
The double-layered anti-vibration heat shield 12 further comprises a support ring 22 disposed between the impact plate 20 and the diffuser plate 21, and both ends of the support ring 22 are connected to the impact plate 20 and the diffuser plate 21, respectively. The support ring 22 is fixed on the impingement plate 20 by welding or riveting, and is used for supporting the channel height between the impingement plate 20 and the diffuser plate 21, so as to ensure a cooling structure.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (9)
1. The utility model provides a afterburning antivibration heat screen with adjustable function of air conditioning which characterized in that includes:
the double-layer anti-vibration heat shield (12) is provided with impact plates (20) and divergent plates (21) which are arranged at intervals, the impact plates (20) are provided with corrugated structures (28), and the wave crests of the corrugated structures (28) are provided with variable mixing holes (41);
the adjusting valve (34) is rotatably arranged on the outer side of the impact plate (20), the adjusting valve (34) can be in contact fit with the wave crest of the corrugated structure (28), and the adjusting valve (34) is provided with an adjusting hole (45) which is in fit communication with the variable blending hole (41);
and the driving assembly is connected with the regulating valve (34) and can drive the regulating valve (34) to rotate relative to the corrugated structure (28) and change the flow area between the regulating hole (45) and the variable mixing hole (41).
2. The forced antivibration heat shield with a cold air adjusting function according to claim 1, wherein the impact hole (40) is provided at the valley of the corrugated structure (28), the fixed mixing hole (44) is provided on the adjusting valve (34), and the fixed mixing hole (44) corresponds to the position of the impact hole (40) and is always conducted.
3. The forced anti-vibration heat shield with a cold air adjusting function according to claim 2, wherein the ratio of the area of the fixed dilution holes (44) to the area of the impact holes (40) is 1.2 or more.
4. The forced anti-vibration heat shield with a cold air adjusting function according to claim 1, wherein the ratio of the aperture of the adjusting hole (45) to the aperture of the variable mixing hole (41) is in the range of 0.8 to 1.2.
5. The forced-induction vibration-proof heat shield with a cold air adjusting function according to claim 2, wherein the diffuser plate (21) is provided with a plurality of vibration-proof holes (42) and a plurality of diverging holes (43), the impingement holes (40) and the variable blend holes (41) at the impingement plate (20) are both plural, and the sum of the areas of the plurality of impingement holes (40) and the plurality of variable blend holes (41) is smaller than the sum of the areas of the plurality of vibration-proof holes (42) and the plurality of diverging holes (43).
6. The forced anti-vibration heat shield with cold air adjustable function according to claim 1, characterized in that the contact surface of the wave crest with the adjusting valve (34) is provided with a wear-resistant coating.
7. The forced anti-vibration heat shield with a cool air adjusting function according to claim 1, wherein said driving unit comprises:
the actuating cylinder (30) is arranged outside the stressing cylinder casing (11);
a rocker arm (31) having one end connected to the actuator cylinder (30);
and the transmission crank (32) can be rotatably arranged on a transmission crank mounting seat of the stressing barrel casing (11), one end of the transmission crank (32) penetrates through the stressing barrel casing (11) and is connected with the other end of the rocker arm (31), and the other end of the transmission crank (32) is connected with the adjusting valve (34) and can drive the adjusting valve (34) to rotate relative to the double-layer anti-vibration heat insulation screen (12).
8. The forced force anti-vibration heat shield with cold air adjusting function according to claim 7, wherein said driving assembly further comprises a slider assembly (33), said slider assembly (33) is disposed on the adjusting shutter (34) and connected to the other end of the driving crank (32).
9. The forced anti-vibration heat shield with a cold air adjusting function according to claim 1, wherein the double-layered anti-vibration heat shield (12) further comprises a support ring (22) disposed between the impact plate (20) and the divergent plate (21), both ends of the support ring (22) being connected to the impact plate (20) and the divergent plate (21), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601993.2A CN114991991B (en) | 2022-05-30 | 2022-05-30 | Stress application vibration-proof heat shield with cold air adjustable function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601993.2A CN114991991B (en) | 2022-05-30 | 2022-05-30 | Stress application vibration-proof heat shield with cold air adjustable function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114991991A true CN114991991A (en) | 2022-09-02 |
| CN114991991B CN114991991B (en) | 2024-04-02 |
Family
ID=83030795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210601993.2A Active CN114991991B (en) | 2022-05-30 | 2022-05-30 | Stress application vibration-proof heat shield with cold air adjustable function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991991B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992776A (en) * | 2023-03-23 | 2023-04-21 | 中国航发沈阳发动机研究所 | Rear thrust increasing component of engine turbine |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2048726A1 (en) * | 1990-11-15 | 1992-05-16 | Phillip D. Napoli | Combustor liner with circumferentially angled film cooling holes |
| EP0843090A2 (en) * | 1996-11-13 | 1998-05-20 | ROLLS-ROYCE plc | Jet pipe liner |
| CA2486014A1 (en) * | 2003-11-07 | 2005-05-07 | General Electric Company | Method and apparatus for increasing a durability of a body |
| US20100000197A1 (en) * | 2008-07-03 | 2010-01-07 | United Technologies Corporation | Impingement cooling for turbofan exhaust assembly |
| US20130177396A1 (en) * | 2012-01-09 | 2013-07-11 | General Electric Company | Impingement Cooling System for Use with Contoured Surfaces |
| CN204084462U (en) * | 2014-09-29 | 2015-01-07 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of gas-turbine combustion chamber burner inner liner |
| CN106979081A (en) * | 2015-12-22 | 2017-07-25 | 通用电气公司 | Classification fuel and air injection in the combustion system of combustion gas turbine |
| WO2017170476A1 (en) * | 2016-03-29 | 2017-10-05 | 三菱日立パワーシステムズ株式会社 | Combustor and method for improving combustor performance |
| CN109779782A (en) * | 2019-03-08 | 2019-05-21 | 西北工业大学 | The double wall cooling structure with longitudinal ripple impact orifice plate for vector spray |
| CN110185554A (en) * | 2019-03-08 | 2019-08-30 | 西北工业大学 | A kind of double wall cooling structure for jet engine vector spray |
| US20190293020A1 (en) * | 2018-03-21 | 2019-09-26 | Spirit Aerosystems, Inc. | Flexible sleeve for adjustable fan duct nozzle |
| EP3916303A1 (en) * | 2020-05-26 | 2021-12-01 | Raytheon Technologies Corporation | Multi-walled structure for a gas turbine engine |
| CN114135401A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Adjustable internal mixing device |
-
2022
- 2022-05-30 CN CN202210601993.2A patent/CN114991991B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2048726A1 (en) * | 1990-11-15 | 1992-05-16 | Phillip D. Napoli | Combustor liner with circumferentially angled film cooling holes |
| EP0843090A2 (en) * | 1996-11-13 | 1998-05-20 | ROLLS-ROYCE plc | Jet pipe liner |
| CA2486014A1 (en) * | 2003-11-07 | 2005-05-07 | General Electric Company | Method and apparatus for increasing a durability of a body |
| US20100000197A1 (en) * | 2008-07-03 | 2010-01-07 | United Technologies Corporation | Impingement cooling for turbofan exhaust assembly |
| US20130177396A1 (en) * | 2012-01-09 | 2013-07-11 | General Electric Company | Impingement Cooling System for Use with Contoured Surfaces |
| CN204084462U (en) * | 2014-09-29 | 2015-01-07 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | A kind of gas-turbine combustion chamber burner inner liner |
| CN106979081A (en) * | 2015-12-22 | 2017-07-25 | 通用电气公司 | Classification fuel and air injection in the combustion system of combustion gas turbine |
| WO2017170476A1 (en) * | 2016-03-29 | 2017-10-05 | 三菱日立パワーシステムズ株式会社 | Combustor and method for improving combustor performance |
| US20190293020A1 (en) * | 2018-03-21 | 2019-09-26 | Spirit Aerosystems, Inc. | Flexible sleeve for adjustable fan duct nozzle |
| CN109779782A (en) * | 2019-03-08 | 2019-05-21 | 西北工业大学 | The double wall cooling structure with longitudinal ripple impact orifice plate for vector spray |
| CN110185554A (en) * | 2019-03-08 | 2019-08-30 | 西北工业大学 | A kind of double wall cooling structure for jet engine vector spray |
| EP3916303A1 (en) * | 2020-05-26 | 2021-12-01 | Raytheon Technologies Corporation | Multi-walled structure for a gas turbine engine |
| CN114135401A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Adjustable internal mixing device |
Non-Patent Citations (2)
| Title |
|---|
| 唐婵;常海萍;: "发散孔纵向波纹隔热屏气膜冷却特性研究", 燃气轮机技术, no. 01, 16 March 2009 (2009-03-16) * |
| 李希军;朱延鑫;谭晓茗;郭文;张靖周;王永明;: "冲击孔布局对叶片前缘气膜冷却的影响", 工程热物理学报, no. 03, 15 March 2015 (2015-03-15), pages 572 - 576 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992776A (en) * | 2023-03-23 | 2023-04-21 | 中国航发沈阳发动机研究所 | Rear thrust increasing component of engine turbine |
| CN115992776B (en) * | 2023-03-23 | 2023-06-02 | 中国航发沈阳发动机研究所 | Rear thrust increasing component of engine turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114991991B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7950227B2 (en) | High response compact turbocharger | |
| CN114076324B (en) | Combustion chamber capable of automatically adjusting mixed air intake | |
| CN114991991A (en) | Stress application vibration-proof heat screen with cold air adjusting function | |
| US5081847A (en) | Variable flow orifice tube | |
| CS201032B2 (en) | Driving device | |
| DE112015004327T5 (en) | Turbocharger with integrated actuator | |
| JPS5945806B2 (en) | fuel supply device | |
| KR20160003022A (en) | Exhaust gas turbocharger | |
| EP1524420A2 (en) | Internal combustion engine with supercharging | |
| JP2013509521A (en) | Exhaust turbocharger guide device with adjustable turbine geometry and internal combustion engine exhaust turbocharger | |
| CN113776083B (en) | Deformable flame stabilizer | |
| US11002227B2 (en) | Engine and mixed-gas intake device thereof | |
| CN215595757U (en) | Exhaust gas recirculation device, engine and vehicle | |
| DE10309808A1 (en) | Cooling system for internal combustion engine with two-stage charging has cooling group consisting of the first and second charging air radiators and coolant radiator fixed relative to engine | |
| CN101865143B (en) | Device for automatically adjusting power of turbine pump | |
| WO2008139130A1 (en) | Variable geometry turbine | |
| CN112443429B (en) | Engine exhaust gas recirculation device and control method thereof | |
| CN113803155B (en) | Two-stage adjustable air inlet device | |
| CN110486196B (en) | Controllable EGR system of integrated EGR valve of two entrances | |
| CN2709656Y (en) | Vehicle silencer | |
| KR102451877B1 (en) | Engine system having coolant control valve | |
| CN111350555A (en) | Double-scroll turbine with flow control valve | |
| JPH08291723A (en) | Control type exhaust system | |
| US11859537B2 (en) | Gas turbine engine | |
| CN220581141U (en) | Combustion system, internal combustion engine and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |