CN110486199A - A kind of gas recirculation system of engine - Google Patents
A kind of gas recirculation system of engine Download PDFInfo
- Publication number
- CN110486199A CN110486199A CN201910877895.XA CN201910877895A CN110486199A CN 110486199 A CN110486199 A CN 110486199A CN 201910877895 A CN201910877895 A CN 201910877895A CN 110486199 A CN110486199 A CN 110486199A
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- Prior art keywords
- exhaust
- gas
- engine
- recirculation system
- gas recirculation
- 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.)
- Pending
Links
- 239000007789 gas Substances 0.000 claims abstract description 71
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 10
- 230000005494 condensation Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 108010085603 SFLLRNPND Proteins 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009125 negative feedback regulation Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
- F02M35/10393—Sensors for intake systems for characterising a multi-component mixture, e.g. for the composition such as humidity, density or viscosity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
This application discloses a kind of gas recirculation systems of engine, which is characterized in that including exhaust-driven turbo-charger exhaust-gas turbo charger, incoming air conduit, intercooler and dehydrating breather；Exhaust-driven turbo-charger exhaust-gas turbo charger includes turbine and compressor；The exhaust gas inlet of turbine and the exhaust manifold of engine connect；After the waste gas outlet of turbine is connect with incoming air conduit, then it connect with the combi inlet port of compressor；After the mixed gas outlet of compressor is sequentially connected dehydrating breather and intercooler, it is connect with the inlet manifold of engine.Above system is removed from mixed gas by the way that dehydrating breather is arranged in exhaust recycle loop, by vapor, makes mixed gas dehumidifying to very dry state, solves the problems, such as that the moisture film or drop from water condensation lead to engine misses by cylinder is blown into.
Description
Technical field
This application involves technical field of engines more particularly to a kind of gas recirculation systems of engine.
Background technique
The backblast turbine that engine with supercharger is discharged by engine runs at high speed, to drive coaxial compressor high
Pressurized air, is forcibly sent in cylinder by speed rotation.For retarded combustion process, to reduce the life of noxious emission
At, it is common practice to a part of exhaust gas that engine generates is led back into air inlet side and is mixed with fresh air, i.e., exhaust gas recycles
(Exhaust Gas Recirculation).Temperature increases after mixed gas is compressed, and not only influences volumetric efficiency in this way, also
It is easy to produce detonation, is cooled down so intercooler would generally be placed after booster.It burns in perfect exhaust gas containing a large amount of
Vapor.With the decline of temperature, the vapor in mixed gas progressivelyes reach saturation state.When temperature drops to dew point temperature
When spending, condensation will occur on the inner wall of intercooler component.Moisture film or drop from water condensation may finally rupture
And be blown in cylinder under high volume flow operating condition, lead to fuel dilution, in some instances it may even be possible to lead to engine misses.
Summary of the invention
A kind of gas recirculation system for being designed to provide engine of the application, solve moisture film from water condensation or
Drop is blown into the problem of cylinder leads to engine misses.
In view of this, this application provides a kind of gas recirculation system of engine, including exhaust-driven turbo-charger exhaust-gas turbo charger, into
Air hose, intercooler and dehydrating breather；
The exhaust-driven turbo-charger exhaust-gas turbo charger includes turbine and compressor；
The exhaust gas inlet of the turbine and the exhaust manifold of engine connect；
After the waste gas outlet of the turbine is connect with the incoming air conduit, then the combi inlet port company with the compressor
It connects；
After the mixed gas outlet of the compressor is sequentially connected dehydrating breather and intercooler, connect with the inlet manifold of engine
It connects.
It further, further include air cleaner；
The air cleaner is set on the incoming air conduit.
It further, further include catalyst converter；
The catalyst converter is set at the waste gas outlet.
Further, the catalyst converter is specially ternary catalyzing unit.
It further, further include particle trap；
The particle trap is set between the catalyst converter and the incoming air conduit.
It further, further include cooler；
The cooler is set between the particle trap and the incoming air conduit.
Further, the cooler is specially cooler for recycled exhaust gas.
Further, the dehydrating breather is specially membrane type dehydrating breather.
Further, flow control valve is provided in the purging air circuit of the membrane type dehydrating breather.
Further, humidity sensor is provided between the intercooler and the inlet manifold.
Compared with prior art, it is the advantages of the embodiment of the present application:
In the embodiment of the present application, a kind of gas recirculation system of engine is provided, which is characterized in that including exhaust gas whirlpool
Take turns booster, incoming air conduit, intercooler and dehydrating breather；Exhaust-driven turbo-charger exhaust-gas turbo charger includes turbine and compressor；Turbine gives up
The connection of the exhaust manifold of gas import and engine；After the waste gas outlet of turbine is connect with incoming air conduit, then it is mixed with compressor
Close gas import connection；After the mixed gas outlet of compressor is sequentially connected dehydrating breather and intercooler, connect with the inlet manifold of engine
It connects.
Above system is removed from mixed gas by the way that dehydrating breather is arranged in exhaust recycle loop, by vapor, makes to mix
Gas dehumidification is closed to very dry state.The dew-point temperature of mixed gas after drying be usually it is relatively low, this just means
If temperature is higher than the dew-point temperature, then just not having the generation of condensation after intercooler is cooling.Therefore, the application
The gas recirculation system of engine provided by embodiment solves moisture film from water condensation or drop is led by cylinder is blown into
The problem of causing engine misses.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the gas recirculation system of engine provided by the embodiment of the present application；
Fig. 2 is the operation schematic diagram of membrane type dehydrating breather provided by the embodiment of the present application.
Label: turbine 1；Compressor 2；Intercooler 3；Dehydrating breather 4；Exhaust manifold 5；Inlet manifold 6；Air cleaner 7；
Catalyst converter 8；Particle trap 9；Cooler 10；Incoming air conduit 11.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in this application can be understood with concrete condition.
Referring to Fig. 1, Fig. 1 shows for a kind of structure of the gas recirculation system of engine provided by the embodiment of the present application
It is intended to.
Present embodiments provide a kind of gas recirculation system of engine, including exhaust-driven turbo-charger exhaust-gas turbo charger, incoming air conduit
11, intercooler 3 and dehydrating breather 4；Exhaust-driven turbo-charger exhaust-gas turbo charger includes turbine 1 and compressor 2；The exhaust gas inlet and hair of turbine 1
The exhaust manifold 5 of motivation connects；After the waste gas outlet of turbine 1 is connect with incoming air conduit 11, then with the gaseous mixture of compressor 2 into
Mouth connection；After the mixed gas outlet of compressor 2 is sequentially connected dehydrating breather 4 and intercooler 3, it is connect with the inlet manifold 6 of engine.
The gas recirculation system of engine provided by the embodiment of the present application is inhaled by being arranged in exhaust recycle loop
Wet device 4 removes vapor from mixed gas, makes mixed gas dehumidifying to very dry state.Mixed gas after drying
Dew-point temperature be usually it is relatively low, this just means if temperature is higher than the dew-point temperature after intercooler is cooling, then
Just the generation of condensation is not had.Therefore, the gas recirculation system of engine provided by the embodiment of the present application solves
Moisture film or drop from water condensation are blown into the problem of cylinder leads to engine misses.
In the above technology, can also the gas recirculation system to engine further optimized.
Air cleaner 7 is set on incoming air conduit 11, the fresh air of sucking is filtered.
One catalyst converter 8, specially ternary catalyzing unit are set at the waste gas outlet of turbine 1.Exhaust gas is via 5 row of exhaust manifold
It is further catalyzed after out through catalyst converter 8, in order to which the complete pernicious gas of unreacted is oxidized to innocuous gas as far as possible, produces simultaneously
Unboiled water steam.
Particle trap 9 is additionally provided between catalyst converter 8 and air inlet pipe 3, the exhaust gas by particle trap 9 can be into
Row filtering.
Cooler 10 can also be set between particle trap 9 and incoming air conduit 11, it is tentatively cooling for being carried out to gas.
Cooler is specially cooler for recycled exhaust gas.
Preliminary gas after cooling mixes with air, and after the pressurization of compressor 2, dehumidifying, cooling down again, is sent into cylinder combustion
It burns, solves the problems, such as that the moisture film or drop from water condensation lead to engine misses by cylinder is blown into.
Specifically, dehydrating breather 4 is membrane type dehydrating breather, to enhance effect on moisture extraction, the dehydrating breather of hollow-fibre membrane composition is used.
For further reinforcing effect, tunica fibrosa can be inversely flowed through using the gaseous mixture partially dried as purge gass, referring to fig. 2.
Preferably, composite membrane is prepared using sulfonated polysulfone coating.
In view of external environment humidity is different (such as fine day and rainy day), the steam-laden amount of institute is also had not in mixed gas
Together, the flow control valve for therefore increasing control flow in purging air circuit, can control purging by control valve opening degree
The flow of gas, to control effect on moisture extraction.Further, humidity sensor can also be set between intercooler 3 and inlet manifold 6
Device incudes effect on moisture extraction by the way that the humidity sensor after intercooler 3 is arranged in, and sends the unlatching of signal control flow control valve
Degree constitutes negative-feedback regu- lation so that effect on moisture extraction is blown in control.
Above-described embodiment passes through the collective effect of dehydrating breather 4, humidity sensor and flow control valve, so that mixed gas is sufficient
Enough dryings, dew-point temperature are sufficiently low, if being higher than the dew-point temperature, condensation by intercooler mixed gas temperature after cooling
Just will not occur.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of gas recirculation system of engine, which is characterized in that including exhaust-driven turbo-charger exhaust-gas turbo charger, incoming air conduit, in it is cold
Device and dehydrating breather；
The exhaust-driven turbo-charger exhaust-gas turbo charger includes turbine and compressor；
The exhaust gas inlet of the turbine and the exhaust manifold of engine connect；
After the waste gas outlet of the turbine is connect with the incoming air conduit, then it connect with the combi inlet port of the compressor；
After the mixed gas outlet of the compressor is sequentially connected dehydrating breather and intercooler, it is connect with the inlet manifold of engine.
2. the gas recirculation system of engine according to claim 1, which is characterized in that further include air cleaner；
The air cleaner is set on the incoming air conduit.
3. the gas recirculation system of engine according to claim 1, which is characterized in that further include catalyst converter；
The catalyst converter is set at the waste gas outlet.
4. the gas recirculation system of engine according to claim 3, which is characterized in that the catalyst converter is specially three
First catalyst converter.
5. the gas recirculation system of engine according to claim 3, which is characterized in that further include particle trap；
The particle trap is set between the catalyst converter and the incoming air conduit.
6. the gas recirculation system of engine according to claim 5, which is characterized in that further include cooler；
The cooler is set between the particle trap and the incoming air conduit.
7. the gas recirculation system of engine according to claim 6, which is characterized in that the cooler is specially
Cooler for recycled exhaust gas.
8. the gas recirculation system of engine according to claim 1, which is characterized in that the dehydrating breather is specially film
Formula dehydrating breather.
9. the gas recirculation system of engine according to claim 8, which is characterized in that the membrane type dehydrating breather is blown
Scavenging is provided with flow control valve in circuit.
10. the gas recirculation system of engine according to claim 9, which is characterized in that the intercooler with it is described
Humidity sensor is provided between inlet manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877895.XA CN110486199A (en) | 2019-09-17 | 2019-09-17 | A kind of gas recirculation system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910877895.XA CN110486199A (en) | 2019-09-17 | 2019-09-17 | A kind of gas recirculation system of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110486199A true CN110486199A (en) | 2019-11-22 |
Family
ID=68558395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910877895.XA Pending CN110486199A (en) | 2019-09-17 | 2019-09-17 | A kind of gas recirculation system of engine |
Country Status (1)
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| CN (1) | CN110486199A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07238870A (en) * | 1994-02-25 | 1995-09-12 | Komatsu Ltd | Exhaust gas recirculation device of diesel engine and recirculation method of exhaust gas |
| US6460337B1 (en) * | 1909-10-05 | 2002-10-08 | Saab Automobile Ab | Combustion engine |
| KR20100004478A (en) * | 2008-07-04 | 2010-01-13 | 한국델파이주식회사 | Exhaust gas recirculation system for turbo diesel engine |
| CN203560008U (en) * | 2013-09-27 | 2014-04-23 | 长城汽车股份有限公司 | Exhaust gas recirculation system for diesel engine |
| CN104358627A (en) * | 2014-11-04 | 2015-02-18 | 哈尔滨工程大学 | Ship diesel engine NOx and Sox combined emission reduction device and control method |
| CN106150770A (en) * | 2015-03-27 | 2016-11-23 | 北京汽车动力总成有限公司 | A kind of gas recirculation system and automobile |
| CN208010484U (en) * | 2018-02-09 | 2018-10-26 | 郑州日产汽车有限公司 | Automobile low pressure egr system |
| CN210483918U (en) * | 2019-09-17 | 2020-05-08 | 广东工业大学 | Exhaust gas recirculation system of engine |
-
2019
- 2019-09-17 CN CN201910877895.XA patent/CN110486199A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460337B1 (en) * | 1909-10-05 | 2002-10-08 | Saab Automobile Ab | Combustion engine |
| JPH07238870A (en) * | 1994-02-25 | 1995-09-12 | Komatsu Ltd | Exhaust gas recirculation device of diesel engine and recirculation method of exhaust gas |
| KR20100004478A (en) * | 2008-07-04 | 2010-01-13 | 한국델파이주식회사 | Exhaust gas recirculation system for turbo diesel engine |
| CN203560008U (en) * | 2013-09-27 | 2014-04-23 | 长城汽车股份有限公司 | Exhaust gas recirculation system for diesel engine |
| CN104358627A (en) * | 2014-11-04 | 2015-02-18 | 哈尔滨工程大学 | Ship diesel engine NOx and Sox combined emission reduction device and control method |
| CN106150770A (en) * | 2015-03-27 | 2016-11-23 | 北京汽车动力总成有限公司 | A kind of gas recirculation system and automobile |
| CN208010484U (en) * | 2018-02-09 | 2018-10-26 | 郑州日产汽车有限公司 | Automobile low pressure egr system |
| CN210483918U (en) * | 2019-09-17 | 2020-05-08 | 广东工业大学 | Exhaust gas recirculation system of engine |
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