CN105952503A - Supercharging device of engine - Google Patents
Supercharging device of engine Download PDFInfo
- Publication number
- CN105952503A CN105952503A CN201610486564.XA CN201610486564A CN105952503A CN 105952503 A CN105952503 A CN 105952503A CN 201610486564 A CN201610486564 A CN 201610486564A CN 105952503 A CN105952503 A CN 105952503A
- Authority
- CN
- China
- Prior art keywords
- turbine
- volute
- centrifugal compressor
- multistage centrifugal
- drive mechanism
- 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
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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
- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a supercharging device of an engine. The supercharging device comprises a turbine driving mechanism, wherein an air compression device is arranged at the back surface of the turbine driving mechanism; the turbine driving mechanism comprises a volute; an outer cover is arranged at the front surface of the volute; a closed volume cavity is formed by the outer cover and the volute; an waste air inlet is formed in the volute; a volumetric turbine is arranged in the volume cavity, and comprises a wheel disk; a supercharging turbine is fixed to the front surface of the wheel disk; a volumetric impeller is arranged on the wheel disk at the periphery of the supercharging turbine; a wheel shaft, stretching out of the volute, of the supercharging turbine is arranged at the back surface of the wheel disk; a cylindrical air separation plate is arranged between the volumetric impeller and the supercharging turbine; a notch is formed in the wall of the cylindrical air separation plate; and a general air exhaust outlet is formed in the outer cover. In a low pressure state, the volumetric impeller drives the turbine driving mechanism to rotate, when a throttle is advanced, the speed is increased obviously, and when the throttle is retarded, no surging occurs. The supercharging device is applicable to large transport planes, civil aircrafts, fighter planes and so on.
Description
Technical field
The present invention relates to a kind of electromotor, particularly to the pressurizer of a kind of electromotor.
Background technology
Existing aero-engine mainly has a two types: piston-mode motor and paint spray booth's electromotor, no matter which kind of type, as aero-engine, need to meet that power-weight ratio is big, fuel consumption is little, front face area is little, safe and reliable, life-span length, the convenient requirement of maintenance and repair.Existing aero-engine is a kind of high complexity and accurate machinery, and throttle strengthens or reduces, it may appear that surge endangers, and raises speed inconspicuous, and compression ratio is the highest, and fuel oil consumes big, it addition, the requirement to material is the highest.And at automotive field, turbocharging is after starting or when throttle strengthens, supercharging is obvious, inconspicuous in ground zero stage or throttle hour supercharging, and pressure transient.
Summary of the invention
The technical problem to be solved is for the deficiencies in the prior art, it is provided that a kind of reasonable in design, the pressurizer of the electromotor that fuel-efficient power is big.
The technical problem to be solved is to be realized by following technical scheme, the present invention is the pressurizer of a kind of electromotor, including the turbine drive mechanism being contained in Engine exhaust pipeline, it is provided with, at the back side of described turbine drive mechanism, the compressing device connected with engine charge pipeline, between compressing device and turbine drive mechanism, is provided with drive mechanism；It is characterized in, described turbine drive mechanism includes volute, the front of volute is provided with the enclosing cover connected with volute, enclosing cover and volute constitute a cavity volume closed, volute is provided with the exhaust gas inlet connected with gas exhaust piping, capacity turbo it is provided with in cavity volume, described 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, the back side of wheel disc is provided with the wheel shaft of the charging turbine stretching out volute, tubular gas barrier it is provided with between positive displacement impeller and charging turbine, tubular gas barrier is fixing with enclosing cover to be connected,
Cavity volume is divided into interior exocoel by tubular gas barrier, and the wall of tubular gas barrier is communicated with the breach of interior exocoel, covers outside and is provided with the total air vent communicated with inner cavity chamber；
Waste gas exhaust gas inlet on volute, along the tangential exocoel entering cavity volume of volute, promotes positive displacement impeller, thus promotes capacity turbo to rotate；After waste gas compresses further via the breach of tubular gas barrier, enter the inner cavity chamber of cavity volume, blow to the charging turbine of capacity turbo, accelerate capacity turbo rotation, finally, waste gas is discharged from total air vent.
The technical problem to be solved can also be realized further by following technical scheme, described compressing device includes calm the anger housing and multistage centrifugal compressor, housing of calming the anger is provided with the import of calming the anger connected with engine charge pipeline, calm the anger housing built with compression impellor, described multistage centrifugal compressor includes the multistage centrifugal compressor unit that gas presses to calm the anger in housing and the inner shell sleeve inverted relative to multistage centrifugal compressor unit, inner shell sleeve is fixedly connected with compression impellor, the setting coaxial with the wheel shaft of charging turbine of the central shaft of multistage centrifugal compressor unit, the central shaft of multistage centrifugal compressor unit is connected with the wheel shaft of charging turbine through compression impellor by drive mechanism, compression impellor is contained on the central shaft of multistage centrifugal compressor unit slidably.
The technical problem to be solved can also be realized further by following technical scheme, described drive mechanism is epicyclic transmission mechanism, the sun gear wheel shaft of epicyclic transmission mechanism connects as one with the central shaft of the turbine hub of charging turbine and multistage centrifugal compressor unit, the planet carrier of epicyclic transmission mechanism is fixing with housing of calming the anger to be connected, the external toothing of epicyclic transmission mechanism connects with compression impellor, capacity turbo rotates forward, and drives sun gear wheel shaft and multistage centrifugal compressor unit to rotate forward；External toothing inverts, and drives compression impellor and the reversion of inner shell sleeve.
The technical problem to be solved can also be realized further by following technical scheme, is provided with steam inlet on described volute, and steam inlet connects with the water inlet coil pipe being wrapped on engine chamber.
nullCompared with prior art，The present invention is when low pressure，By positive displacement impeller，Drive capacity turbo rotates，Thus drive the charging turbine of capacity turbo to rotate，The hysteresis that when avoiding low pressure, charging turbine produces，Make full use of waste gas work done，After charging turbine starts，By positive displacement impeller and tubular gas barrier，Waste gas is compressed，Accelerate the rotation of charging turbine，Improve the work efficiency of multistage centrifugal compressor simultaneously，Under the effect of epicyclic transmission mechanism，Multistage centrifugal compressor unit rotates backward with compression impellor，More compressed gas can be obtained，Improve the compression speed and efficiency calmed the anger，Make the fuel combustion in combustor more abundant，Increase the output of electromotor，It is reasonable in design，There is compression ratio high、Thrust-weight ratio is high、The feature that fuel-efficient and power is big，It is applicable to large transport airplane、Airline carriers of passengers and fighter plane etc..
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
The structural representation of Tu2Shi turbine drive mechanism.
Detailed description of the invention
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to those skilled in the art is further understood that the present invention, and does not constitute the restriction to its right.
See figures.1.and.2, a kind of pressurizer of electromotor, including the turbine drive mechanism being contained in Engine exhaust pipeline, it is provided with, at the back side of described turbine drive mechanism, the compressing device connected with engine charge pipeline, between compressing device and turbine drive mechanism, is provided with drive mechanism；Described turbine drive mechanism includes volute 1, the front of volute 1 is provided with the enclosing cover 2 connected with volute 1, enclosing cover 2 and volute 1 constitute a cavity volume closed, volute 2 is provided with the exhaust gas inlet 17 connected with gas exhaust piping, capacity turbo it is provided with in cavity volume, described capacity turbo includes wheel disc 9, the front of wheel disc 9 is fixed with charging turbine 5, the wheel disc 9 of charging turbine 5 surrounding is provided with positive displacement impeller 6, the back side of wheel disc 9 is provided with the wheel shaft of the charging turbine 5 stretching out volute, tubular gas barrier 8 it is provided with between positive displacement impeller 6 and charging turbine 5, tubular gas barrier 8 is fixing with enclosing cover 2 to be connected,
Cavity volume is divided into inner cavity chamber 4 and exocoel 7 by tubular gas barrier 8, the wall of tubular gas barrier 8 is communicated with the breach 15 of interior exocoel, is provided with the total air vent 3 communicated with inner cavity chamber 4 on enclosing cover 2；
Waste gas exhaust gas inlet 17 on volute 1 is along the tangential exocoel 7 entering cavity volume of volute 1, promote positive displacement impeller 6, thus promote capacity turbo to rotate, avoid the charging turbine 5 work slowness when low pressure, avoid surge phenomenon during open out, reduce waste gas under starting state and push directly on the oil consumption that charging turbine 5 increases, also reduce the requirement to material, be effectively utilized waste gas work done；After waste gas compresses further via the breach 15 of tubular gas barrier 8, entering the inner cavity chamber 4 of cavity volume, blow to the charging turbine 5 of capacity turbo, accelerate the rotation of capacity turbo, finally, waste gas is discharged from total air vent 3.
Described compressing device includes calm the anger housing 14 and multistage centrifugal compressor, housing 14 of calming the anger is provided with the import 18 of calming the anger connected with engine charge pipeline, calm the anger housing 14 built with compression impellor 11, described multistage centrifugal compressor includes the multistage centrifugal compressor unit 13 that gas presses to calm the anger in housing 14 and the inner shell sleeve 12 inverted relative to multistage centrifugal compressor unit 13, inner shell sleeve 12 is fixedly connected with compression impellor 11, the setting coaxial with the wheel shaft of charging turbine 5 of the central shaft of multistage centrifugal compressor unit 13, the central shaft of multistage centrifugal compressor unit 13 is connected through compression impellor 11 by the wheel shaft of drive mechanism 10 with charging turbine 5, compression impellor 11 is contained on the central shaft of multistage centrifugal compressor unit 13 slidably.
Described drive mechanism 10 is epicyclic transmission mechanism, the sun gear wheel shaft of epicyclic transmission mechanism connects as one with the central shaft of the turbine hub of charging turbine 5 and multistage centrifugal compressor unit 13, the planet carrier of epicyclic transmission mechanism is fixed with housing 14 of calming the anger and is connected, the external toothing of epicyclic transmission mechanism connects with compression impellor 11, capacity turbo rotates forward, and drives sun gear wheel shaft and multistage centrifugal compressor unit 13 to rotate forward；External toothing inverts, and drives compression impellor 11 and inner shell sleeve 12 to invert.
Being provided with steam inlet 16 on described volute 1, steam inlet 16 connects with the water inlet coil pipe being wrapped on engine chamber, and the waste gas that steam and combustor produce does work jointly, improves the rotating speed of charging turbine.
Present invention achieves engine startup, on the premise of not changing capacity, utilize positive displacement impeller to drive charging turbine to rotate, promote the startup power of electromotor, speed-raising more precisely, more timely, after engine start, by charging turbine, the power in significant increase work process.
Described multistage centrifugal compressor unit is equal in magnitude with the rotating speed of compression impellor, in opposite direction.
The present invention utilizes multistage centrifugal compressor and turbine drive mechanism, the lift of 40-60 rice can be produced, utilize planetary mechanism, multistage centrifugal compressor unit is rotated forward, compression impellor inverts, and its pressure can double, then under the driving of charging turbine, hundreds of atmospheric pressure can be reached, thus add the gas pressure in combustor.
Fuel oil in use, is injected in combustor by the present invention, mixes with the big pressed gas obtained, work by combustion, and water is injected on water coil, absorbs the heat of combustor, produces steam and jointly does work with combustion gas, adds the power of electromotor.
Single-stage radial compressor unit energy produces 1-2 atmospheric pressure, multistage centrifugal compressor unit produces 4-10 atmospheric pressure by multilevel deflector compression energy, now multistage centrifugal compressor unit is rotated forward, pass through epicyclic transmission mechanism, compression impellor inverts with inner shell sleeve, by producing double atmospheric pressure, if run up again, just can produce hundreds of atmospheric pressure, the compressor of high pressure makes electromotor will not produce surge phenomenon.
Burning outdoor mounted one layer can the water inlet coil pipe of water filling, the waste heat that absorbable combustor produces, steam and the combustion gas of generation are done work jointly, reduce the harm that chamber temperature is too high, reduce the operating temperature of turbine, extend the life-span of material；
When electromotor over loading, rotating speed reduces, and temperature is high, and at this moment the thrust of steam exceedes the thrust of combustion gas, saves oil consumption, increases operation rate；
Turbine drive mechanism is made up of volute, enclosing cover and capacity turbo, and combustion gas enters the exocoel of cavity volume from exhaust gas inlet, decreases Flux Loss when low pressure, being effectively increased the moment of torsion of electromotor, compression ratio, admission pressure and thrust, during open out, speed-raising substantially, will not surge when subtracting throttle.
Claims (4)
1. a pressurizer for electromotor, including the turbine drive mechanism being contained in Engine exhaust pipeline, is provided with, at the back side of described turbine drive mechanism, the compressing device connected with engine charge pipeline, is provided with drive mechanism between compressing device and turbine drive mechanism；It is characterized in that: described turbine drive mechanism includes volute, the front of volute is provided with the enclosing cover connected with volute, enclosing cover and volute constitute a cavity volume closed, volute is provided with the exhaust gas inlet connected with gas exhaust piping, capacity turbo it is provided with in cavity volume, described 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, the back side of wheel disc is provided with the wheel shaft of the charging turbine stretching out volute, tubular gas barrier it is provided with between positive displacement impeller and charging turbine, tubular gas barrier is fixing with enclosing cover to be connected,
Cavity volume is divided into interior exocoel by tubular gas barrier, and the wall of tubular gas barrier is communicated with the breach of interior exocoel, covers outside and is provided with the total air vent communicated with inner cavity chamber；
Waste gas exhaust gas inlet on volute, along the tangential exocoel entering cavity volume of volute, promotes positive displacement impeller, thus promotes capacity turbo to rotate；After waste gas compresses further via the breach of tubular gas barrier, enter the inner cavity chamber of cavity volume, blow to the charging turbine of capacity turbo, accelerate capacity turbo rotation, finally, waste gas is discharged from total air vent.
The pressurizer of electromotor the most according to claim 1, it is characterized in that: described compressing device includes calm the anger housing and multistage centrifugal compressor, housing of calming the anger is provided with the import of calming the anger connected with engine charge pipeline, calm the anger housing built with compression impellor, described multistage centrifugal compressor includes the multistage centrifugal compressor unit that gas presses to calm the anger in housing and the inner shell sleeve inverted relative to multistage centrifugal compressor unit, inner shell sleeve is fixedly connected with compression impellor, the setting coaxial with the wheel shaft of charging turbine of the central shaft of multistage centrifugal compressor unit, the central shaft of multistage centrifugal compressor unit is connected with the wheel shaft of charging turbine through compression impellor by drive mechanism, compression impellor is contained on the central shaft of multistage centrifugal compressor unit slidably.
The pressurizer of electromotor the most according to claim 2, it is characterized in that: described drive mechanism is epicyclic transmission mechanism, the sun gear wheel shaft of epicyclic transmission mechanism connects as one with the central shaft of the turbine hub of charging turbine and multistage centrifugal compressor unit, the planet carrier of epicyclic transmission mechanism is fixing with housing of calming the anger to be connected, the external toothing of epicyclic transmission mechanism connects with compression impellor, capacity turbo rotates forward, and drives sun gear wheel shaft and multistage centrifugal compressor unit to rotate forward；External toothing inverts, and drives compression impellor and the reversion of inner shell sleeve.
4. according to the pressurizer of the electromotor described in claim 1-3 any one, it is characterised in that: being provided with steam inlet on described volute, 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 |
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| Publication Number | Publication Date |
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| CN105952503A true CN105952503A (en) | 2016-09-21 |
| CN105952503B CN105952503B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610486564.XA Active CN105952503B (en) | 2016-06-29 | 2016-06-29 | The supercharging device of engine |
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Citations (6)
| 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 |
| JPH06288242A (en) * | 1993-03-31 | 1994-10-11 | Isuzu Motors Ltd | Turbocharger having energy recovery device |
| 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 |
-
2016
- 2016-06-29 CN CN201610486564.XA patent/CN105952503B/en active Active
Patent Citations (6)
| 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 |
| JPH06288242A (en) * | 1993-03-31 | 1994-10-11 | Isuzu Motors Ltd | Turbocharger having energy recovery device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105952503B (en) | 2017-11-03 |
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