CN105952503B - The supercharging device of engine - Google Patents
The supercharging device of engine Download PDFInfo
- Publication number
- CN105952503B CN105952503B CN201610486564.XA CN201610486564A CN105952503B CN 105952503 B CN105952503 B CN 105952503B CN 201610486564 A CN201610486564 A CN 201610486564A CN 105952503 B CN105952503 B CN 105952503B
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- CN
- China
- Prior art keywords
- volute
- turbine
- engine
- centrifugal compressor
- multistage centrifugal
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of supercharging device of engine, including turbine drives mechanism, the back side of turbine drives mechanism is provided with compressing device, turbine drives mechanism includes volute, the front of volute is provided with enclosing cover, enclosing cover constitutes the cavity volume of a closing with volute, volute is provided with exhaust gas inlet, capacity turbo is provided with cavity volume, capacity turbo includes wheel disc, the front of wheel disc is fixed with charging turbine, the wheel disc of charging turbine surrounding is provided with positive displacement impeller, wheel shaft of the back side of wheel disc provided with the charging turbine for stretching out volute, tubular gas barrier is provided between positive displacement impeller and charging turbine, the wall of tubular gas barrier is provided with breach, outer cover is provided with and total exhaust outlet.The present invention is in low pressure, by positive displacement impeller, drives the rotation of turbine drives mechanism, during open out, and speed-raising is obvious, will not surge when subtracting throttle, it is adaptable to large transport airplane, airline carriers of passengers and fighter plane etc..
Description
Technical field
The present invention relates to a kind of engine, more particularly to a kind of supercharging device of engine.
Background technology
Existing aero-engine mainly has two types：Piston-mode motor and paint spray booth's engine, no matter which kind of class
Type, as aero-engine, need to meet that power-weight ratio is big, fuel consumption is small, front face area is small, the safe and reliable, longevity
Life is long, maintenance and repair are easily required.Existing aero-engine is a kind of highly complex and accurate machinery, throttle increase or
Reduce, it may appear that surge endangers, raise speed unobvious, compression ratio is not high, fuel consumption is big, in addition, the requirement to material is also high.And
In automotive field, turbocharging is after starting or when throttle is increased, and supercharging is obvious, is pressurized not in ground zero stage or throttle hour
Substantially, and pressure transient.
The content of the invention
The technical problems to be solved by the invention be in view of the shortcomings of the prior art there is provided one kind is reasonable in design, it is fuel-efficient dynamic
The supercharging device of the big engine of power.
The technical problems to be solved by the invention are realized by following technical scheme, and the present invention is that one kind is started
The supercharging device of machine, including the turbine drives mechanism in Engine exhaust pipeline, at the back side of the turbine drives mechanism
Provided with the compressing device connected with engine charge pipeline, transmission mechanism is provided between compressing device and turbine drives mechanism；Its
Feature is that described turbine drives mechanism includes volute, and the front of volute is provided with the enclosing cover connected with volute, enclosing cover and volute structure
Into the cavity volume of a closing, volute, which is provided with the exhaust gas inlet connected with gas exhaust piping, cavity volume, is provided with positive displacement whirlpool
Wheel, the capacity turbo includes wheel disc, and the front of wheel disc is fixed with charging turbine, and the wheel disc of charging turbine surrounding is provided with appearance
Product formula impeller, wheel shaft of the back side provided with the charging turbine for stretching out volute of wheel disc, sets between positive displacement impeller and charging turbine
There is tubular gas barrier, tubular gas barrier is fixedly connected with enclosing cover,
Cavity volume is divided on interior exocoel, the wall of tubular gas barrier by tubular gas barrier is communicated with interior exocoel
Breach, is covered provided with the total exhaust outlet communicated with inner cavity chamber outside；
The tangential exocoel that enters cavity volume of the waste gas through the exhaust gas inlet on volute along volute, promotes positive displacement impeller,
So as to promote capacity turbo to rotate；After waste gas further compresses via the breach of tubular gas barrier, into the inner chamber of cavity volume
Room, blows to the charging turbine of capacity turbo, accelerates the rotation of capacity turbo, finally, waste gas is discharged from total exhaust outlet.
The technical problems to be solved by the invention can also further be realized by following technical scheme, described pressure
Device of air includes calming the anger housing and multistage centrifugal compressor, housing of calming the anger be provided with calming the anger of connecting with engine charge pipeline into
Mouthful, housing of calming the anger built with compression impellor, the multistage centrifugal compressor include pressing to gas calm the anger in housing it is multistage from
Heart Compressor Group and the inner casing sleeve inverted relative to multistage centrifugal compressor unit, inner casing sleeve and compression impellor stationary phase
Connect, the central shaft of multistage centrifugal compressor unit is coaxial with the wheel shaft of charging turbine to be set, in multistage centrifugal compressor unit
Heart axle is connected through compression impellor by transmission mechanism with the wheel shaft of charging turbine, and compression impellor is slidably mounted in multistage centrifugal pressure
On the central shaft of contracting machine unit.
The technical problems to be solved by the invention can also further be realized by following technical scheme, described biography
Motivation structure is epicyclic transmission mechanism, the sun gear wheel shaft of epicyclic transmission mechanism and the turbine hub of charging turbine and multistage centrifugal pressure
The central shaft of contracting machine unit is connected as one, and the planet carrier of epicyclic transmission mechanism is fixedly connected with housing of calming the anger, Gear Planet Transmission machine
The external toothing of structure connects with compression impellor, and capacity turbo is rotated forward, and is driving sun gear wheel shaft and multistage centrifugal compressor unit just
Turn；External toothing is inverted, and drives compression impellor and the reversion of inner casing sleeve.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in the whirlpool
Shell is provided with steam inlet, and steam inlet connects with the water inlet coil pipe being wrapped on engine chamber.
Compared with prior art, the present invention is in low pressure, by positive displacement impeller, drives capacity turbo to rotate, from
And drive the charging turbine of capacity turbo to rotate, it is to avoid and the hysteresis that charging turbine is produced during low pressure, make full use of
Waste gas work done, after after charging turbine startup, by positive displacement impeller and tubular gas barrier, is compressed to waste gas, accelerates
The rotation of charging turbine, while improve the operating efficiency of multistage centrifugal compressor, in the presence of epicyclic transmission mechanism, it is multistage from
Heart Compressor Group is rotated backward with compression impellor, can obtain more compressed gas, improves the compression speed calmed the anger and efficiency,
So that the fuel combustion in combustion chamber is more abundant, increase the power output of engine, its is reasonable in design, with compression ratio height, push away
Again than high, fuel-efficient and big power the characteristics of, it is adaptable to large transport airplane, airline carriers of passengers and fighter plane etc..
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of turbine drives mechanism.
Embodiment
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to which those skilled in the art enters
One step the present invention is understood, without constituting the limitation to its right.
Referring to Figures 1 and 2, a kind of supercharging device of engine, including the turbine drives in Engine exhaust pipeline
Mechanism, the compressing device connected with engine charge pipeline, compressing device and whirlpool are provided with the back side of the turbine drives mechanism
Transmission mechanism is provided between actuation；Described turbine drives mechanism includes volute 1, and the front of volute 1 is provided with and volute 1
The enclosing cover 2 connected, enclosing cover 2 constitutes the cavity volume of a closing with volute 1, and volute 2 is useless provided with what is connected with gas exhaust piping
Capacity turbo is provided with gas import 17, cavity volume, the capacity turbo includes wheel disc 9, and the front of wheel disc 9 is fixed with supercharging
Turbine 5, the wheel disc 9 of the surrounding of charging turbine 5 is provided with positive displacement impeller 6, and the back side of wheel disc 9 is provided with the charging turbine for stretching out volute
5 wheel shaft, is provided with tubular gas barrier 8 between positive displacement impeller 6 and charging turbine 5, and tubular gas barrier 8 is fixed with enclosing cover 2 to be connected
Connect,
Cavity volume is divided on inner cavity chamber 4 and exocoel 7, the wall of tubular gas barrier 8 by tubular gas barrier 8 to be communicated with
The breach 15 of interior exocoel, provided with the total exhaust outlet 3 communicated with inner cavity chamber 4 on enclosing cover 2；
The tangential exocoel 7 that enters cavity volume of the waste gas through the exhaust gas inlet 17 on volute 1 along volute 1, promotes positive displacement
Impeller 6, so as to promote capacity turbo to rotate, it is to avoid work slowness of the charging turbine 5 in low pressure, it is to avoid open out
When surge phenomenon, reduce the waste gas under starting state and push directly on the increased oil consumption of charging turbine 5, also reduce to material
Requirement, be effectively utilized waste gas work done；After waste gas further compresses via the breach 15 of tubular gas barrier 8, into appearance
The inner cavity chamber 4 of product chamber, blows to the charging turbine 5 of capacity turbo, accelerates the rotation of capacity turbo, finally, and waste gas is arranged from total
Gas port 3 is discharged.
Described compressing device includes calm the anger housing 14 and multistage centrifugal compressor, and housing 14 of calming the anger is provided with and engine
Import 18 that what air inlet pipeline connected calm the anger, housing 14 of calming the anger is built with compression impellor 11, and the multistage centrifugal compressor includes will
Gas is pressed to calm the anger and multistage centrifugal compressor unit 13 in housing 14 and inverted relative to multistage centrifugal compressor unit 13
Inner casing sleeve 12, inner casing sleeve 12 is fixedly connected with compression impellor 11, the central shaft of multistage centrifugal compressor unit 13 and supercharging
The wheel shaft of turbine 5 is coaxial to be set, and the central shaft of multistage centrifugal compressor unit 13 passes through transmission mechanism 10 through compression impellor 11
Connect with the wheel shaft of charging turbine 5, compression impellor 11 is slidably on the central shaft of multistage centrifugal compressor unit 13.
Described transmission mechanism 10 is epicyclic transmission mechanism, sun gear wheel shaft and the charging turbine 5 of epicyclic transmission mechanism
The central shaft of turbine hub and multistage centrifugal compressor unit 13 is connected as one, the planet carrier of epicyclic transmission mechanism and shell of calming the anger
Body 14 is fixedly connected, and the external toothing of epicyclic transmission mechanism connects with compression impellor 11, and capacity turbo is rotated forward, and drives sun gear wheel
Axle and multistage centrifugal compressor unit 13 are rotated forward；External toothing is inverted, and drives compression impellor 11 and inner casing sleeve 12 to invert.
Steam inlet 16, steam inlet 16 and the water inlet plate being wrapped on engine chamber are provided with the volute 1
Pipe connects, and the waste gas that vapor and combustion chamber are produced does work jointly, improves the rotating speed of charging turbine.
The present invention realizes engine startup, on the premise of capacity is not changed, and is driven using positive displacement impeller
Charging turbine is rotated, and lifts the startup power of engine, and speed-raising is more accurate, more timely, after engine start, by being pressurized whirlpool
Power in wheel, the significant increase course of work.
The rotating speed of the multistage centrifugal compressor unit and compression impellor is equal in magnitude, in the opposite direction.
The present invention utilizes multistage centrifugal compressor and turbine drives mechanism, can produce 40-60 meters of lift, utilize planet machine
Structure so that multistage centrifugal compressor unit is rotated forward, compression impellor reversion, its pressure can double, then under the driving of charging turbine,
Hundreds of atmospheric pressures can be reached, so as to add the gas pressure in combustion chamber.
The present invention in use, fuel oil is injected in combustion chamber, mixed with the big pressed gas of acquisition, burning is done
Work(, water is injected on water coil, absorbs the heat of combustion chamber, is produced vapor and is done work jointly with combustion gas, adds engine
Power.
Single-stage radial compressor unit can produce 1-2 atmospheric pressure, and multistage centrifugal compressor unit passes through multilevel deflector
Compression energy produces 4-10 atmospheric pressure, rotates forward multistage centrifugal compressor unit now, by epicyclic transmission mechanism, leaf of calming the anger
Wheel is inverted with inner casing sleeve, will produce double atmospheric pressure, if run at high speed again, with regard to that can produce hundreds of atmospheric pressures,
The compressor of high pressure makes engine not produce surge phenomenon.
Burning one layer of outdoor mounted can water filling water inlet coil pipe, can absorb combustion chamber produce waste heat, generation
Steam and combustion gas are done work jointly, the too high harm of reduction chamber temperature, are reduced the operating temperature of turbine, are extended the longevity of material
Life；
In engine excess load, rotating speed reduction, temperature is high, and at this moment the thrust of steam exceedes the thrust of combustion gas, saves
Oil consumption, increases operation rate；
Turbine drives mechanism is made up of volute, enclosing cover and capacity turbo, and combustion gas enters the outer of cavity volume from exhaust gas inlet
Chamber, Flux Loss is reduced in low pressure, effectively increases the moment of torsion of engine, compression ratio, admission pressure and thrust, plus
During throttle, speed-raising is obvious, will not surge when subtracting throttle.
Claims (4)
1. a kind of supercharging device of engine, including the turbine drives mechanism in Engine exhaust pipeline, in the turbine
The back side of drive mechanism is provided with the compressing device connected with engine charge pipeline, is set between compressing device and turbine drives mechanism
There is transmission mechanism；It is characterized in that：Described turbine drives mechanism includes volute, and the front of volute is outer provided with what is connected with volute
Lid, enclosing cover constitutes the cavity volume of a closing with volute, and volute is provided with the exhaust gas inlet connected with gas exhaust piping, cavity volume
Interior to be provided with capacity turbo, the capacity turbo includes wheel disc, and the front of wheel disc is fixed with charging turbine, charging turbine surrounding
Wheel disc be provided with positive displacement impeller, the wheel shaft of the back side of wheel disc provided with the charging turbine for stretching out volute, positive displacement impeller with
Tubular gas barrier is provided between charging turbine, tubular gas barrier is fixedly connected with enclosing cover,
Cavity volume is divided into by tubular gas barrier is communicated with lacking for interior exocoel on interior exocoel, the wall of tubular gas barrier
Mouthful, cover outside provided with the total exhaust outlet communicated with inner cavity chamber；
The tangential exocoel that enters cavity volume of the waste gas through the exhaust gas inlet on volute along volute, promotes positive displacement impeller, so that
Capacity turbo is promoted to rotate；After waste gas further compresses via the breach of tubular gas barrier, into the inner cavity chamber of cavity volume, blow
To the charging turbine of capacity turbo, accelerate the rotation of capacity turbo, finally, waste gas is discharged from total exhaust outlet.
2. the supercharging device of engine according to claim 1, it is characterised in that：Described compressing device includes shell of calming the anger
Body and multistage centrifugal compressor, housing of calming the anger are provided with the import of calming the anger connected with engine charge pipeline, and housing of calming the anger is built-in
There is compression impellor, the multistage centrifugal compressor includes pressing to gas multistage centrifugal compressor unit and the phase calmed the anger in housing
The inner casing sleeve inverted for multistage centrifugal compressor unit, inner casing sleeve is fixedly connected with compression impellor, multi-stage centrifugal compression
The central shaft of machine unit is coaxial with the wheel shaft of charging turbine to be set, and the central shaft of multistage centrifugal compressor unit passes through compression impellor
Connected by transmission mechanism with the wheel shaft of charging turbine, compression impellor is slidably mounted in the central shaft of multistage centrifugal compressor unit
On.
3. the supercharging device of engine according to claim 2, it is characterised in that：Described transmission mechanism is Gear Planet Transmission
The central shaft of mechanism, the sun gear wheel shaft of epicyclic transmission mechanism and the turbine hub of charging turbine and multistage centrifugal compressor unit
Connect as one, the planet carrier of epicyclic transmission mechanism is fixedly connected with housing of calming the anger, the external toothing of epicyclic transmission mechanism is with calming the anger
Impeller connects, and capacity turbo is rotated forward, and drives sun gear wheel shaft and multistage centrifugal compressor unit to rotate forward；External toothing is inverted, band
Action pneumatic impeller and the reversion of inner casing sleeve.
4. the supercharging device of the engine according to claim 1-3 any one, it is characterised in that：Set on the volute
There is steam inlet, steam inlet connects with the water inlet coil pipe being wrapped on engine chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486564.XA CN105952503B (en) | 2016-06-29 | 2016-06-29 | The supercharging device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486564.XA CN105952503B (en) | 2016-06-29 | 2016-06-29 | The supercharging device of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952503A CN105952503A (en) | 2016-09-21 |
| CN105952503B true CN105952503B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486564.XA Active CN105952503B (en) | 2016-06-29 | 2016-06-29 | The supercharging device of engine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3143103A (en) * | 1963-08-23 | 1964-08-04 | Caterpillar Tractor Co | Multi-stage supercharger with separate outlet for cooling air |
| CN1048439A (en) * | 1989-06-26 | 1991-01-09 | 川波春平 | To changeing the double rotor centrifugal fluid-charger |
| US6301889B1 (en) * | 2000-09-21 | 2001-10-16 | Caterpillar Inc. | Turbocharger with exhaust gas recirculation |
| CN103485884A (en) * | 2012-06-15 | 2014-01-01 | 杨兴隆 | Double internal combustion super energy-saving engine |
| CN104612815A (en) * | 2015-01-19 | 2015-05-13 | 同济大学 | Novel automotive turbo-charging system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3239525B2 (en) * | 1993-03-31 | 2001-12-17 | いすゞ自動車株式会社 | Turbocharger with energy recovery device |
-
2016
- 2016-06-29 CN CN201610486564.XA patent/CN105952503B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3143103A (en) * | 1963-08-23 | 1964-08-04 | Caterpillar Tractor Co | Multi-stage supercharger with separate outlet for cooling air |
| CN1048439A (en) * | 1989-06-26 | 1991-01-09 | 川波春平 | To changeing the double rotor centrifugal fluid-charger |
| US6301889B1 (en) * | 2000-09-21 | 2001-10-16 | Caterpillar Inc. | Turbocharger with exhaust gas recirculation |
| CN103485884A (en) * | 2012-06-15 | 2014-01-01 | 杨兴隆 | Double internal combustion super energy-saving engine |
| CN104612815A (en) * | 2015-01-19 | 2015-05-13 | 同济大学 | Novel automotive turbo-charging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952503A (en) | 2016-09-21 |
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