CN106194846A - A kind of double-layered case structure compressor and there is its aero-engine - Google Patents
A kind of double-layered case structure compressor and there is its aero-engine Download PDFInfo
- Publication number
- CN106194846A CN106194846A CN201610543023.6A CN201610543023A CN106194846A CN 106194846 A CN106194846 A CN 106194846A CN 201610543023 A CN201610543023 A CN 201610543023A CN 106194846 A CN106194846 A CN 106194846A
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- Prior art keywords
- layer casing
- casing
- internal layer
- outer layer
- double
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of double-layered case structure compressor, including outer layer casing and internal layer casing；Wherein said outer layer casing includes leading portion outer layer casing and back segment outer layer casing, and leading portion outer layer casing is connected with back segment outer layer casing, and back segment outer layer casing is connected to combustion box, forms the whole support case of compressor；Internal layer casing includes leading portion internal layer casing, stage casing internal layer casing, load switching casing and back segment internal layer casing, leading portion internal layer casing, stage casing internal layer casing, load switching casing, back segment internal layer casing are sequentially connected, leading portion internal layer casing is arranged on leading portion outer layer casing by lug, back segment internal layer casing is connected to combustion box, and internal layer casing forms domain double-layered case structure with outer layer casing.The double-layered case structure compressor of the present invention has the plurality of advantages such as simple in construction, big, the light weight of load.
Description
Technical field
The invention belongs to turbofan field, particularly relate to a kind of compressor double-layered case structure.
Background technology
In turbofan structure, the thrust of electromotor is delivered to be connected with aircraft by the casing of electromotor
Install on joint, thus realize the transmission of thrust.Therefore engine crankcase is important load parts, and this just requires that it to have very
Good rigidity.Along with the development of turbofan designing technique, the raising of turbofan thrust-weight ratio, compressor portion
The pressure ratio of part steps up, and the stream of compressor part later stages shrinks the most therewith.And at blower outlet, air-flow need to be expanded into
Entering combustion chamber components, the most whole gas channel is in first shrinking the form expanded afterwards.Owing to casing need to form whole compressor
Stream, therefore in conventional design the structure of casing with air flow path in first shrinking the form expanded afterwards, and the machine of this version
Casket rigidity is more weak, and the power transmission to whole electromotor is unfavorable.This is accomplished by designing and a kind of had not only met stream demand but also the sending out of good rigidly
The compressor casing structure of motivation.
Summary of the invention
It is an object of the invention to provide a kind of compressor double-layered case structure, be used for solving the problems referred to above.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of double-layered case structure compressor, including outer layer
Casing and internal layer casing；Wherein said outer layer casing includes leading portion outer layer casing and back segment outer layer casing, leading portion outer layer casing with
Back segment outer layer casing is connected, and back segment outer layer casing is connected to combustion box, forms the whole support case of compressor；
Internal layer casing includes leading portion internal layer casing, stage casing internal layer casing, load switching casing and back segment internal layer casing, leading portion
Internal layer casing, stage casing internal layer casing, load switching casing, back segment internal layer casing are sequentially connected, and leading portion internal layer casing passes through lug
Being arranged on leading portion outer layer casing, back segment internal layer casing is connected to combustion box, and internal layer casing forms the domain with outer layer casing
Double-layered case structure.
Further, between internal layer casing and outer layer casing, it is additionally provided with reinforcement, for increasing the rigidity of double-layered case.
Further, multiple air collecting chamber, described air collecting chamber is had to be used for dispelling the heat between described outer layer casing and internal layer casing.
Further, described air collecting chamber quantity is three.
Further, stifled tight ring after also including, described rear stifled tight ring is connected to described combustion box and rear end inner sphere mechanism
Between casket, for sealing between combustor and described cavity volume.
Further, described rear stifled tight ring is that elastomeric material is made.
Further, being additionally provided with tap air channel on described load switching casing, described tap air channel is connected to sprue
With air collecting chamber.
Present invention also offers a kind of aero-engine, including including that the double-layered case structure described in any of the above is calmed the anger
Machine, described compressor is connected with the combustor of electromotor.
The outer layer casing of the double-layered case structure compressor of the present invention is used for load, and internal layer casing is used for forming whole calming the anger
The stream of machine.Such version had both met compressor stream demand, achieved again the casing load requirement of high rigidity.Whole
Internal layer casing, by the load switching casing being connected with outer layer casing, is attached by individual double-layered case with outer layer casing.At this
The intergrade of the double-layered case structure compressor of invention is provided with tap air channel, and the air-flow of compressor intergrade introduces double-deck machine
In air collecting chamber between casket, for controlling the radial deformation of later stages casing, reduce the compressor caused due to tip clearance
The reduction of energy level.This double-layered case structure compressor specially invented, not only can meet compressor stream demand but also realizes starting
The load requirement of machine casing high rigidity, can effectively control the tip clearance of compressor later stages simultaneously, reduces airflow leaks loss,
Improve Capability of Compressor level.It is many that the double-layered case structure compressor of the present invention has simple in construction, big, the light weight of load etc.
Advantage.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
Fig. 1 is the double-layered case structure air compressor structure figure according to one embodiment of the invention.
Wherein, 1-leading portion outer layer casing, 2-leading portion internal layer casing, 3-stage casing internal layer casing, 4-back segment outer layer casing, 5-holds
Power switching casing, 6-back segment internal layer casing, stifled tight ring, 8-combustion box, 9-tap air channel, 10-air collecting chamber, 11-master after 7-
Runner.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with in the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, the most identical or class
As label represent same or similar element or there is the element of same or like function.Described embodiment is the present invention
A part of embodiment rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary type, it is intended to use
In explaining the present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creation type work premise, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and is described in detail embodiments of the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of and describe the present invention and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protect the present invention
The restriction of scope.
It is illustrated in figure 1 the double-layered case structure compressor of the present invention, including outer layer casing and internal layer casing；Its ectomesoderm
Casing includes leading portion outer layer casing 1 and back segment outer layer casing 4, and leading portion outer layer casing 1 is connected with back segment outer layer casing 4, and back segment
Outer layer casing 4 is connected to combustion box 8, forms the whole support case of compressor；Internal layer casing includes leading portion internal layer casing
2, stage casing internal layer casing 3, load switching casing 5 and back segment internal layer casing 6, leading portion internal layer casing 2, stage casing internal layer casing 3, load
Switching casing 5, back segment internal layer casing 6 are sequentially connected, and leading portion internal layer casing 2 is arranged on leading portion outer layer casing 1 by lug, after
Section internal layer casing 6 is connected to combustion box 8, and internal layer casing forms domain double-layered case structure with outer layer casing.
It should be noted that be additionally provided with reinforcement between internal layer casing and outer layer casing, for increasing double-layered case
Rigidity.Afterwards, becoming multiple air collecting chamber 10 of knowing clearly, air collecting chamber 10 between outer layer casing and internal layer casing, air collecting chamber 10 can be by master
Heat in runner 11 is transmitted to outer layer casing, plays the effect of heat radiation, and in the present embodiment, air collecting chamber 10 quantity is three, because of pressure
Depending on mechanism of qi axial length.
It should be noted that the double-layered case structure compressor of the present invention blocks up tight ring 7 after also including, rear stifled tight ring 7 connects
Between combustion box 8 and rear end internal layer casing 6, for sealing between the air collecting chamber 10 of combustor and left and right sides.Rear stifled
Tight ring 7 uses elastomeric material to make, and preferably also has the most heat-resisting advantage, is beneficial to ensure the coordination of ectonexine casing deformation
Property.
It addition, be additionally provided with tap air channel 9 on load switching casing 5, tap air channel 9 is connected to sprue 11 and air collecting chamber
10.In the present embodiment, only offered at the air collecting chamber 10 of the rightmost side and caused passage, because the air collecting chamber of left and right sides 10 is close
Combustor, therefore temperature is the highest, when sprue air-flow (Fig. 1 plants shown in arrow) flows to compressor along sprue 11,
Air-flow can enter air collecting chamber 10 along causing passage 9, forms a ring-type air-flow rotation in air collecting chamber 10, and the rotation of this air-flow is permissible
Effectively reduce the temperature transmitted from combustor, and by back segment outer layer casing 4, heat is shed.
Additionally, due to compressor is the key component of electromotor, compressor is connected with combustor, adds that other start
Machine parts collectively constitute the electromotor with double-layered case mechanism compressor, this electromotor just can realize higher forces and not
Case structure as compressor can not meet the purpose of rigidity requirement.
The present invention the compressor outer layer casing of double-layered case structure for load, internal layer casing is used for forming whole pressure
The stream of mechanism of qi, such version had both met compressor stream demand, achieved again the casing load requirement of high rigidity,
Internal layer casing, by the load switching casing being connected with outer layer casing, is attached by whole double-layered case with outer layer casing.Separately
Outward, the intergrade at compressor is provided with tap air channel in the present invention, and the air-flow of compressor intergrade is introduced double-layered case
Between air collecting chamber in, for controlling the radial deformation of later stages casing, reduce the Capability of Compressor caused due to tip clearance
The reduction of level.The double-layered case structure compressor of the present invention has the plurality of advantages such as simple in construction, big, the light weight of load.
The above, the only optimum detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of described claim
Enclose and be as the criterion.
Claims (8)
1. a double-layered case structure compressor, it is characterised in that include outer layer casing and internal layer casing；Wherein said outer layer machine
Casket includes leading portion outer layer casing (1) and back segment outer layer casing (4), and leading portion outer layer casing (1) is connected with back segment outer layer casing (4),
And back segment outer layer casing (4) is connected to combustion box (8), form the whole support case of compressor；
Internal layer casing includes leading portion internal layer casing (2), stage casing internal layer casing (3), load switching casing (5) and back segment internal layer casing
(6), leading portion internal layer casing (2), stage casing internal layer casing (3), load switching casing (5), back segment internal layer casing (6) are sequentially connected,
Leading portion internal layer casing (2) is arranged on leading portion outer layer casing (1) by lug, and back segment internal layer casing (6) is connected to combustor machine
Casket (8), internal layer casing forms domain double-layered case structure with outer layer casing.
Double-layered case structure compressor the most according to claim 1, it is characterised in that internal layer casing and outer layer casing it
Between be additionally provided with reinforcement, for increasing the rigidity of double-layered case.
Double-layered case structure compressor the most according to claim 2, it is characterised in that described outer layer casing and internal layer casing
Between have multiple air collecting chamber (10), described air collecting chamber (10) to be used for dispelling the heat.
Double-layered case structure compressor the most according to claim 3, it is characterised in that described air collecting chamber (10) quantity is three
Individual.
Double-layered case structure compressor the most according to claim 4, it is characterised in that stifled tight ring (7) after also including, described
Rear stifled tight ring (7) is connected between described combustion box (8) and rear end internal layer casing (6), for by combustor and described appearance
Seal between chamber (10).
Double-layered case structure compressor the most according to claim 4, it is characterised in that after described, stifled tight ring (7) is elastic
Material is made.
Double-layered case structure compressor the most according to claim 1, it is characterised in that at described load switching casing (5)
On be additionally provided with tap air channel (9), described tap air channel (9) connects sprue (11) and air collecting chamber (10).
8. an aero-engine, it is characterised in that include that the double-layered case structure as described in claim 1 to 7 is arbitrary is calmed the anger
Machine, described compressor is connected with the combustor of electromotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543023.6A CN106194846A (en) | 2016-07-12 | 2016-07-12 | A kind of double-layered case structure compressor and there is its aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543023.6A CN106194846A (en) | 2016-07-12 | 2016-07-12 | A kind of double-layered case structure compressor and there is its aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194846A true CN106194846A (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610543023.6A Pending CN106194846A (en) | 2016-07-12 | 2016-07-12 | A kind of double-layered case structure compressor and there is its aero-engine |
Country Status (1)
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| CN (1) | CN106194846A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593654A (en) * | 2016-12-23 | 2017-04-26 | 贵州黎阳航空动力有限公司 | Thermal insulation device for gas turbine |
| CN106812626A (en) * | 2017-01-19 | 2017-06-09 | 中国航发沈阳发动机研究所 | Contain casing outside a kind of engine |
| CN108180171A (en) * | 2016-12-08 | 2018-06-19 | 中国航发商用航空发动机有限责任公司 | Aero-engine high-pressure compressor shroud chamber bleed structure |
| CN112065774A (en) * | 2020-09-15 | 2020-12-11 | 中国航发沈阳发动机研究所 | Cartridge receiver structure and rotor-stator structure thereof |
| CN112211684A (en) * | 2019-07-11 | 2021-01-12 | 中国航发商用航空发动机有限责任公司 | Casing installation method |
| CN112628206A (en) * | 2020-12-15 | 2021-04-09 | 中国航发沈阳发动机研究所 | Air entraining structure of air compressor |
| CN114810663A (en) * | 2022-04-21 | 2022-07-29 | 中国科学院工程热物理研究所 | Rear force bearing structure of centrifugal/oblique flow compressor |
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| GB2054741A (en) * | 1979-07-25 | 1981-02-18 | Gen Electric | Active clearance control system for a turbomachine |
| GB2267312A (en) * | 1992-05-29 | 1993-12-01 | Gen Electric | Compressor casing assembly. |
| CN1550680A (en) * | 2003-05-06 | 2004-12-01 | ͨ�õ�����˾ | Methods and apparatus for controlling gas turbine engine rotor tip clearances |
| CN1646791A (en) * | 2003-05-07 | 2005-07-27 | 斯奈克玛马达公司 | Mechanic stator and its mounting/dismounting method |
| DE102005045255A1 (en) * | 2005-09-22 | 2007-03-29 | Mtu Aero Engines Gmbh | Improved compressor in axial design |
| EP2518273A2 (en) * | 2011-04-27 | 2012-10-31 | General Electric Company | Axial compressor with arrangement for bleeding air from variable stator vane stages |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2054741A (en) * | 1979-07-25 | 1981-02-18 | Gen Electric | Active clearance control system for a turbomachine |
| GB2267312A (en) * | 1992-05-29 | 1993-12-01 | Gen Electric | Compressor casing assembly. |
| CN1550680A (en) * | 2003-05-06 | 2004-12-01 | ͨ�õ�����˾ | Methods and apparatus for controlling gas turbine engine rotor tip clearances |
| CN1646791A (en) * | 2003-05-07 | 2005-07-27 | 斯奈克玛马达公司 | Mechanic stator and its mounting/dismounting method |
| DE102005045255A1 (en) * | 2005-09-22 | 2007-03-29 | Mtu Aero Engines Gmbh | Improved compressor in axial design |
| EP2518273A2 (en) * | 2011-04-27 | 2012-10-31 | General Electric Company | Axial compressor with arrangement for bleeding air from variable stator vane stages |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180171A (en) * | 2016-12-08 | 2018-06-19 | 中国航发商用航空发动机有限责任公司 | Aero-engine high-pressure compressor shroud chamber bleed structure |
| CN108180171B (en) * | 2016-12-08 | 2019-09-17 | 中国航发商用航空发动机有限责任公司 | Aero-engine high-pressure compressor shroud chamber bleed structure |
| CN106593654A (en) * | 2016-12-23 | 2017-04-26 | 贵州黎阳航空动力有限公司 | Thermal insulation device for gas turbine |
| CN106812626A (en) * | 2017-01-19 | 2017-06-09 | 中国航发沈阳发动机研究所 | Contain casing outside a kind of engine |
| CN106812626B (en) * | 2017-01-19 | 2019-06-28 | 中国航发沈阳发动机研究所 | Contain casing outside a kind of engine |
| CN112211684A (en) * | 2019-07-11 | 2021-01-12 | 中国航发商用航空发动机有限责任公司 | Casing installation method |
| CN112211684B (en) * | 2019-07-11 | 2022-09-06 | 中国航发商用航空发动机有限责任公司 | Casing installation method |
| CN112065774A (en) * | 2020-09-15 | 2020-12-11 | 中国航发沈阳发动机研究所 | Cartridge receiver structure and rotor-stator structure thereof |
| CN112628206A (en) * | 2020-12-15 | 2021-04-09 | 中国航发沈阳发动机研究所 | Air entraining structure of air compressor |
| CN114810663A (en) * | 2022-04-21 | 2022-07-29 | 中国科学院工程热物理研究所 | Rear force bearing structure of centrifugal/oblique flow compressor |
| CN114810663B (en) * | 2022-04-21 | 2022-11-01 | 中国科学院工程热物理研究所 | Rear force bearing structure of centrifugal/oblique flow compressor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |