CN104832317B - A kind of device controlling inner cone amount of air entrainment - Google Patents
A kind of device controlling inner cone amount of air entrainment Download PDFInfo
- Publication number
- CN104832317B CN104832317B CN201510152434.8A CN201510152434A CN104832317B CN 104832317 B CN104832317 B CN 104832317B CN 201510152434 A CN201510152434 A CN 201510152434A CN 104832317 B CN104832317 B CN 104832317B
- Authority
- CN
- China
- Prior art keywords
- inner cone
- air
- gas skirt
- air entrainment
- revolving door
- 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.)
- Active
Links
Landscapes
- Superstructure Of Vehicle (AREA)
Abstract
The present invention relates to engine hot parts Cooling Design, it is related to a kind of device controlling inner cone amount of air entrainment, there is provided contain gas outside a kind of effectively utilizes electromotor and realize the cooling of inner cone and suppress the device of its infrared intensity.A kind of device of control inner cone amount of air entrainment of the present invention, is mainly made up of gas skirt, revolving door, pressurized strut, rotation linkage assembly, inner cone, support plate, interflow ring and bubbler.Pressurized strut telescopic drive rotation linkage assembly is rotated door and rotates in orbit, controls the gas flow entering gas skirt, thus controlling the gas flow for cooling down inner cone.The device of this control inner cone amount of air entrainment, it is to avoid other bleed modes arrange the bleed air line of complexity, ensures engine performance simultaneously.
Description
Technical field
The present invention relates to engine hot parts Cooling Design, it is related to a kind of device controlling inner cone amount of air entrainment.
Background technology
Conventional axisymmetric nozzle, inner cone is in the encirclement of high-temperature fuel gas, belongs to high-temp solid part, to electromotor
Rear infra-red radiation contribution is very big, and the reduction of inner cone temperature can effectively reduce the infrared intensity at electromotor rear.At present,
It is using high-pressure compressor bleed cooling, inner cone to be lowered the temperature, but this type of cooling needs the complicated air entraining pipe of arrangement
Road；Meanwhile, also can reduce electromotor overall performance, increase the difficulty of airplane design.
Therefore, in order to avoid the complicated bleed air line of arrangement is it is ensured that engine performance, contain outside effectively utilizes electromotor simultaneously
The cooling that gas realizes inner cone suppresses its infrared intensity, need to design a kind of device controlling inner cone amount of air entrainment.
Content of the invention
A kind of device of the control inner cone amount of air entrainment that the present invention provides, it is to avoid the arrangement of complicated bleed air line, knot
Structure is simple, and the cooling that can realize inner cone with culvert gas outside effectively utilizes electromotor suppresses the device of its infrared intensity.
A kind of device of control inner cone amount of air entrainment that the present invention provides, a kind of device of control inner cone amount of air entrainment, bag
Include the inner cone being coaxially disposed from the inside to the outside, interflow ring, bubbler, wherein, described inner cone is to be fixedly installed on by support plate
It is characterised in that described inner cone includes outer wall and internal layer in the ring of described interflow, constitute between described outer wall and internal layer shape with
The similar air-tight cavity of described inner cone, the wall of described outer wall is disposed with the air film hole connecting with described air-tight cavity, described support plate
Inside be there is the gas channel being connected with air-tight cavity；
The described device controlling inner cone amount of air entrainment also includes：
Gas skirt, is arranged in the by-pass air duct that described interflow ring is constituted with bubbler, and is fixed on the wall of described interflow ring
On face, described gas skirt has air inlet and the bleed ports of connection, and described air inlet is towards intension combustion gas stream inflow direction, described
Bleed ports are connected with the gas channel of described support plate；
Revolving door, is rotatably arranged at the air inlet of described gas skirt, can when rotating to precalculated position to described enter
QI KOU is sealed；
Rotation linkage assembly, including pull bar, coaxial sleeve and triangle bull stick；Wherein, described triangle bull stick one end with described
Close bubbler one end of revolving door connects, and the other end of described triangle bull stick is connected with described coaxial sleeve, described coaxial sleeve
The axis of cylinder as the rotation axiss (i.e. described revolving door can be around the rotation of this axis) of described revolving door, wear by described coaxial sleeve
Cross the wall of described bubbler, and be connected with described pull bar；
Pressurized strut, one end is fixedly connected with described bubbler, and the other end is connected with described pull bar, and institute is passed through in described pressurized strut
Stating pull bar drives described coaxial sleeve and triangle bull stick to drive described revolving door to rotate successively.
Alternatively, the described device controlling inner cone amount of air entrainment also includes：
Track, is fixed on the upper and lower ends of described gas skirt, and described revolving door is rotatably arranged in described track.
Alternatively, described revolving door is two, is symmetricly set in described track, each described revolving door and an institute
State triangle bull stick to connect.
Alternatively, described coaxial sleeve includes two outer tube being coaxially disposed and inner core, can be around being fixed on described gas skirt
On fixing axle rotate；
Described outer tube is fixedly connected with one of described triangle bull stick near described gas skirt one end, and described inner core is close
Described gas skirt one end is fixedly connected with triangle bull stick another described.
Alternatively, described pull bar includes two, and one of described pull bar is with described outer tube away from described gas skirt one end
Connect, another described pull bar is connected away from described gas skirt one end with described inner core.
Beneficial effects of the present invention：
The present invention provides a kind of device controlling inner cone amount of air entrainment, it is to avoid the complicated bleed air line of arrangement, and structure is simple,
Do not affect engine performance, facilitate simultaneously, contain the cooling that gas realizes inner cone outside effectively utilizes electromotor, suppress its infrared spoke
Penetrate intensity.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, show meet of the present utility model
Embodiment, and be used for explaining the principle of the present invention together with description.
Fig. 1 is the three-dimensional view of the device that the present invention controls inner cone amount of air entrainment；
Fig. 2 is the front view of the device that the present invention controls inner cone amount of air entrainment；
Fig. 3 is the sectional view (containing afterburning cylinder and jet pipe) of Fig. 2；
Fig. 4 is fragmentary isometric views during the revolving door closing of the device that the present invention controls inner cone amount of air entrainment；
Fig. 5 is partial top view during the revolving door closing of the device that the present invention controls inner cone amount of air entrainment；
Fig. 6 is fragmentary isometric views when the present invention controls the revolving door of device of inner cone amount of air entrainment to open；
Fig. 7 is partial top view when the present invention controls the revolving door of device of inner cone amount of air entrainment to open.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.
As shown in Figures 1 to 7, the device of a kind of control inner cone amount of air entrainment that the present invention provides, including same from the inside to the outside
The inner cone 9 of axle setting, interflow ring 10, bubbler 8, also include rotation linkage assembly, gas skirt 1, revolving door 2, track 7 and prop up
Plate 11.
Specifically, bubbler 8 one end is connected with front end electromotor, and the other end is connected with afterburning cylinder E, and inner cone 9 is logical
Cross support plate 11 to be fixedly installed in the ring 10 of interflow, support plate 11 can be multiple, usually 3, is circumferentially evenly arranged.Inner cone
9 double-deckers, including outer wall and internal layer, constitute the shape air-tight cavity similar to inner cone 9 profile between outer wall and internal layer；Outer wall
Wall be disposed with the air film hole connecting with air-tight cavity, air film hole dorsad intension combustion gas stream inflow direction (with reference to Fig. 3).Support plate 11
Inside be there is the gas channel being connected with air-tight cavity.
Further, gas skirt 1 is arranged in the by-pass air duct that interflow ring 10 is constituted with bubbler 8, and is fixed on interflow ring 10
Wall on, gas skirt 1 has air inlet and bleed ports, is provided with revolving door 2 at air inlet, the air-flow of bleed ports and support plate 11
Channel connection.
Specifically, revolving door 2 is arranged in the track 7 of the upper and lower ends of gas skirt 1, in the band of rotation linkage assembly
Can rotate along track 7 under dynamic, turn to and air inlet can be sealed during precalculated position, or make when another precalculated position
Air inlet open.It should be noted that in addition to using track 7 mode, revolving door 2 can be configured in several ways,
Here is omitted；Equally, revolving door 2 quantity can also be one or more, and in the present embodiment, revolving door 2 is two, symmetrically
In setting in rail 7, each revolving door 2 is connected with a triangle bull stick 6.
Further, rotation linkage assembly includes pull bar 4, coaxial sleeve 5 and triangle bull stick 6；Wherein, coaxial sleeve 5 includes
Two outer tube being coaxially disposed and inner core, can rotate around the fixing axle being fixed on gas skirt 1, outer tube is near gas skirt 1 one end
It is fixedly connected with one of triangle bull stick, inner core is fixedly connected with another triangle bull stick 6 near gas skirt 1 one end；Pull bar 4
Including two, one of pull bar 4 is connected away from gas skirt 1 one end with outer tube, and another pull bar 4 is with inner core away from gas skirt 1
One end connects.
Pressurized strut 3 is rotated door 2 by rotation linkage assembly and rotates along track 7.Specifically, as Fig. 4 to Fig. 7, start
Cylinder 3 stretches, and drives pull bar 4 to move, and pull bar 4 drives the inside and outside cylinder of coaxial sleeve 5 to rotate round about, two triangles simultaneously
Bull stick 6 drives two revolving doors 2 to rotate in the opposite direction respectively, realizes the open and close of revolving door.When revolving door 2 is in open shape
During state, the part cold airflow of outer culvert enters from the air inlet of gas skirt 1, introduces interior via the gas channel of bleed ports, support plate 11
The airtight intracavity of cone 9, the air film hole then passing through on inner cone 9 outer wall is discharged, with outer remaining cold air of culvert and the combustion of intension high temperature
Through afterburning cylinder E and jet pipe F after gas mixing, discharge backward, as shown in figure 3, thus realizing the cooling to inner cone 9.
The present invention provides a kind of device controlling inner cone amount of air entrainment, it is to avoid the complicated bleed air line of arrangement, and structure is simple,
Do not affect engine performance, facilitate simultaneously, contain the cooling that gas realizes inner cone outside effectively utilizes electromotor, suppress its infrared spoke
Penetrate intensity.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention with described scope of the claims should be
Accurate.
Claims (5)
1. a kind of control inner cone amount of air entrainment device, include the inner cone (9) being coaxially disposed from the inside to the outside, collaborate ring (10),
Bubbler (8), wherein, described inner cone (9) is to be fixedly installed in described interflow ring (10) by support plate (11), and its feature exists
In described inner cone (9) includes outer wall and internal layer, constitutes shape and described inner cone (9) profile between described outer wall and internal layer
Similar air-tight cavity, the wall of described outer wall is disposed with the air film hole connecting with described air-tight cavity, the inside of described support plate (11)
There is the gas channel connecting with described air-tight cavity；
The described device controlling inner cone amount of air entrainment also includes：
Gas skirt (1), is arranged in the by-pass air duct that described interflow ring (10) is constituted with bubbler (8), and is fixed on described interflow
On the wall of ring (10), described gas skirt (1) has air inlet and the bleed ports of connection, and described air inlet is towards intension combustion gas stream
Inflow direction, described bleed ports are connected with the gas channel of described support plate (11)；
Revolving door (2), is rotatably arranged at the air inlet of described gas skirt (1), and described air inlet can be sealed；
Rotation linkage assembly, including pull bar (4), coaxial sleeve (5) and triangle bull stick (6)；Wherein, described triangle bull stick (6)
End is connected with close bubbler (8) one end of described revolving door (2), the other end of described triangle bull stick (6) and described coaxial sleeve
Cylinder (5) connects, and the axis of described coaxial sleeve (5) is worn as the rotation axiss of described revolving door (2), described coaxial sleeve (5)
Cross the wall of described bubbler (8), and be connected with described pull bar (4)；
Pressurized strut (3), one end is fixedly connected with described bubbler (8), and the other end is connected with described pull bar (4).
2. according to described in claim 1 control inner cone amount of air entrainment device it is characterised in that also including：
Track (7), is fixed on the upper and lower ends of described gas skirt (1), and described revolving door (2) is rotatably arranged on described track
(7) in.
3. according to the device controlling inner cone amount of air entrainment described in claim 2 it is characterised in that described revolving door (2) is two
Individual, it is symmetricly set in described track (7), each described revolving door (2) is connected with a described triangle bull stick (6).
4. according to the device controlling inner cone amount of air entrainment described in claim 2 it is characterised in that described coaxial sleeve (5) wraps
Include two outer tube being coaxially disposed and inner core, can rotate around the fixing axle being fixed on described gas skirt (1)；
Described outer tube is fixedly connected with one of described triangle bull stick near described gas skirt (1) one end, and described inner core is close
Described gas skirt (1) one end is fixedly connected with triangle bull stick another described.
5. according to the device controlling inner cone amount of air entrainment described in claim 4 it is characterised in that described pull bar (4) includes two
Individual, one of described pull bar (4) is connected away from described gas skirt (1) one end with described outer tube, another described pull bar (4) and
Described inner core connects away from described gas skirt (1) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152434.8A CN104832317B (en) | 2015-04-02 | 2015-04-02 | A kind of device controlling inner cone amount of air entrainment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510152434.8A CN104832317B (en) | 2015-04-02 | 2015-04-02 | A kind of device controlling inner cone amount of air entrainment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832317A CN104832317A (en) | 2015-08-12 |
| CN104832317B true CN104832317B (en) | 2017-03-01 |
Family
ID=53810443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510152434.8A Active CN104832317B (en) | 2015-04-02 | 2015-04-02 | A kind of device controlling inner cone amount of air entrainment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104832317B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801649B (en) * | 2017-01-23 | 2019-03-22 | 中国航发沈阳发动机研究所 | A kind of plug axisymmetric nozzle |
| CN112031938B (en) * | 2020-08-18 | 2021-06-29 | 清华大学 | System for injecting air in external culvert to reduce air-film cold air temperature of aero-engine |
| CN112943480A (en) * | 2021-01-27 | 2021-06-11 | 西北工业大学 | Cooling structure of S-shaped invisible spray pipe of turbofan engine |
| CN113357011A (en) * | 2021-06-23 | 2021-09-07 | 中国航发沈阳发动机研究所 | Engine main runner bleed structure |
| CN114109609B (en) * | 2021-11-23 | 2024-01-05 | 中国航发沈阳发动机研究所 | Engine backward stealth structure of high-efficient hybrid cooling |
| CN115372009A (en) * | 2022-08-04 | 2022-11-22 | 中国航发沈阳发动机研究所 | A culvert exhaust flow measurement system outward for aeroengine is experimental |
| CN116428616A (en) * | 2023-04-17 | 2023-07-14 | 中国航发沈阳发动机研究所 | Supporting plate connecting structure between cones in splitter ring in afterburner of aeroengine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000005496A1 (en) * | 1998-07-22 | 2000-02-03 | General Electric Company | Vectoring nozzle control system |
| CN202659348U (en) * | 2012-06-11 | 2013-01-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Plug-in adjustable exhaust ejector of adjustment sheet |
| CN203175702U (en) * | 2013-03-04 | 2013-09-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Central cone cooling structure of plug type axially-symmetrical spay tube |
| CN103696879A (en) * | 2013-12-05 | 2014-04-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional aerospike vectoring nozzle |
| CN104214008A (en) * | 2014-06-06 | 2014-12-17 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel tail cone |
-
2015
- 2015-04-02 CN CN201510152434.8A patent/CN104832317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000005496A1 (en) * | 1998-07-22 | 2000-02-03 | General Electric Company | Vectoring nozzle control system |
| CN202659348U (en) * | 2012-06-11 | 2013-01-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Plug-in adjustable exhaust ejector of adjustment sheet |
| CN203175702U (en) * | 2013-03-04 | 2013-09-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Central cone cooling structure of plug type axially-symmetrical spay tube |
| CN103696879A (en) * | 2013-12-05 | 2014-04-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Two-dimensional aerospike vectoring nozzle |
| CN104214008A (en) * | 2014-06-06 | 2014-12-17 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel tail cone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104832317A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104832317B (en) | A kind of device controlling inner cone amount of air entrainment | |
| CN104718371B (en) | The variable vent valve of gas-turbine unit for drawing ice | |
| CN104973254B (en) | Aircraft propulsion assembly comprising an air flow valve with a variable flow rate | |
| CN107448296B (en) | 0-7 grades of combined engine air intake ducts of Mach number that pneumatic type/mechanical combination is adjusted | |
| CN107013367B (en) | Turbine base double combustion chamber's punching press combined cycle engine | |
| CN107013368B (en) | Turbine base double combustion chamber's punching press combined cycle engine control method | |
| CN103527319B (en) | A kind of turbogenerator | |
| CN104110699B (en) | A kind of pre-mixing nozzle of gas-turbine combustion chamber | |
| US4587803A (en) | Valve for diverting fluid flows in turbomachines | |
| CN209483712U (en) | A kind of compressor goes rotation to subtract vortex structure | |
| CN104948286B (en) | The cooling means and cooling device in engine core cabin | |
| CN103123121B (en) | Gas turbine combustion chamber end cap with adjustable flow restrictor and associated method | |
| CN106968835A (en) | Full runner is combined in a kind of rocket punching press of wide scope work | |
| CN107013334B (en) | A kind of double combustion chamber's Scramjet Inlet and air intake control method | |
| BRPI0409202B1 (en) | adjustable rotary discharge nozzle | |
| CN104806378B (en) | A kind of have the anti-binary plug nozzle pushing away function | |
| CN105952550B (en) | A kind of slide bar type punching engine becomes mode adjustable throat jet pipe | |
| CN109339875B (en) | A kind of mixing diffuser of band bypass bleed | |
| CN106568083A (en) | Side wall low-nitric-oxide gas burner of cracking furnace | |
| CN106837600A (en) | Venturi offset fluidic vectoring nozzle based on fluidic oscillator principle | |
| CN104456624B (en) | The air intake structure of gas turbine fuel nozzles | |
| CN106499543A (en) | The apparatus and method that a kind of ejector exhaust pipe thruster vector control is adjusted with area | |
| CN108825405A (en) | A kind of full runner of axially symmetric structure RBCC using multistep rocket | |
| CN206073205U (en) | A kind of range hood | |
| CN110005525A (en) | It is a kind of to go the compressor of whirl spraying mouth to subtract vortex structure with cascade-type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |