CN112343740B - Supercharging device for lean combustion and engine system - Google Patents
Supercharging device for lean combustion and engine system Download PDFInfo
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- CN112343740B CN112343740B CN201910736504.2A CN201910736504A CN112343740B CN 112343740 B CN112343740 B CN 112343740B CN 201910736504 A CN201910736504 A CN 201910736504A CN 112343740 B CN112343740 B CN 112343740B
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- oxygen
- engine
- supercharging device
- turbine
- impeller
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000001301 oxygen Substances 0.000 claims abstract description 68
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 68
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 24
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0864—Oxygen
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/101—Three-way catalysts
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
-
- 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
- F02M26/34—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with compressors, turbines or the like 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Emergency Medicine (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Supercharger (AREA)
Abstract
The invention provides a supercharging device for lean combustion, which is a turbocharger without a waste gas bypass valve and comprises a turbine communicated with an engine exhaust outlet and a three-way catalyst inlet, wherein the turbine comprises a volute, an impeller and an oxygen separator, the oxygen separator is arranged between the volute and the impeller, waste gas generated by engine combustion and discharged through the engine exhaust outlet is driven to do work through the turbine inlet, the impeller presses the waste gas to the surface of the oxygen separator, the oxygen separator is used for separating oxygen in the waste gas, and the waste gas after oxygen filtration is discharged through the three-way catalyst. The supercharging device does not need to additionally increase a lean combustion post-treatment device, reduces complexity and cost, can adopt lean combustion in full working condition and fully plays the characteristic of high thermal efficiency of lean combustion. The invention also relates to an engine system.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a supercharging device for lean combustion and an engine system.
Background
Lean combustion is a combustion mode of an engine, different from conventional equivalence ratio combustion, and is introduced by introducingExcess air, reduced combustion temperature and thus NO x And the heat transfer loss is greatly reduced while the exhaust is carried out, so that the heat efficiency of the engine is improved.
However, the conventional three-way catalyst is suitable only for a narrow range around the equivalent air-fuel ratio, such as catalytic reduction using the conventional three-way catalyst in lean combustion, which inevitably results in a great reduction in the exhaust aftertreatment effect, and thus an aftertreatment technique suitable for lean combustion is required. At present, the post-treatment technical scheme of lean combustion is as follows:
in the first prior art, the active SCR (Selective Catalytic Reduction ) is adopted, the after-treatment device needs a self-contained urea tank, and NH generated by utilizing urea 3 NO in exhaust gas x Reduction to non-toxic N 2 However, as the active SCR needs to be provided with the urea tank, the arrangement difficulty of the whole vehicle is increased, and urea needs to be filled at regular time, so that the use difficulty is improved, and the use range is reduced.
In the existing second technical scheme: LNT (Lean NO) X trap, lean burn NO X Trap technology) lean burn aftertreatment device for periodic adsorption-catalytic reduction by engine mixture concentration variation, trap stage LNT adsorbing NO in exhaust gas under lean burn condition X The LNT in the reduction stage can adsorb NO under the condition of rich mixture X Reduction to non-toxic N 2 The LNT operating principle requires that the engine be intermittently in a rich region, at the expense of fuel consumption, in exchange for low NO x The emission and the rich and lean switching frequency are required to be calibrated according to different engine operation conditions, the calibration difficulty is increased, and higher requirements are also provided for a control strategy of an EMS (Engine Management System ).
Disclosure of Invention
In view of the above, it is desirable to provide a three-way catalyst that is simple in structure, convenient to operate, and capable of directly utilizing conventional three-way catalysts to treat NO in exhaust gas x A supercharging device for lean combustion and an engine system for performing aftertreatment.
The invention provides a supercharging device for lean combustion, which is a turbocharger without a waste gas bypass valve and comprises a turbine communicated with an engine exhaust outlet and a three-way catalyst inlet, wherein the turbine comprises a volute, an impeller and an oxygen separator, the oxygen separator is arranged between the volute and the impeller, waste gas generated by engine combustion and discharged through the engine exhaust outlet is driven to do work through the turbine inlet, the impeller presses the waste gas to the surface of the oxygen separator, the oxygen separator is used for separating oxygen in the waste gas, and the waste gas after oxygen filtration is discharged through the three-way catalyst.
In one embodiment, a collection cavity for collecting separated oxygen is formed between the volute and the oxygen separator, and the collection cavity is communicated with an inlet of an engine air inlet system.
In one embodiment, the collecting cavity is communicated with an inlet of an engine air inlet system through an oxygen circulating pipeline, and a one-way valve is arranged in the oxygen circulating pipeline.
In one embodiment, the outlet of the oxygen circulation pipe protrudes outwards beyond the supercharging device.
In one embodiment, the oxygen separator is an oxygen molecular sieve capable of adsorbing and filtering oxygen molecules in the exhaust gas.
In one embodiment, the supercharging device further comprises a compressor coaxially connected with the turbine.
In one embodiment, an energy recovery motor is arranged on the connecting shaft of the compressor and the turbine.
In an embodiment, the engine exhaust outlet is an engine head exhaust side outlet or an engine exhaust manifold outlet.
The present invention also provides an engine system comprising the supercharging device for lean combustion described above.
In summary, the oxygen separator for filtering and separating oxygen is additionally arranged between the turbine volute and the impeller, so that the filtered exhaust gas can be directly catalyzed and reduced by the three-way catalyst, a lean combustion post-treatment device is not required to be additionally arranged, the complexity and the cost are reduced, and the supercharging device can adopt lean combustion in full working condition and fully exert the characteristics of high thermal efficiency of the lean combustion.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a supercharging device and engine system for lean burn according to the present invention;
FIG. 2 is a schematic view of a turbine in accordance with an embodiment of the present invention in a supercharging device for lean combustion;
fig. 3 shows a cross-sectional view of the turbine of fig. 2.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description of the present invention is given with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 and 2, the present invention provides a supercharging device for lean combustion, which is a turbocharger without a wastegate valve, so that all exhaust gas discharged through an exhaust outlet of an engine must pass through a turbine 12 of the turbocharger, ensuring that all exhaust gas is efficiently filtered through an oxygen separator 12c, and allowing the filtered exhaust gas to be directly subjected to exhaust gas aftertreatment using a conventional three-way catalyst.
In the invention, the supercharging device comprises a turbine 12 and a compressor 11 coaxially connected with the turbine 12, wherein the turbine 12 is communicated with an engine exhaust outlet and a three-way catalyst 20. As shown in fig. 2 and 3, the turbine 12 provided by the invention comprises a volute 12a, an impeller 12b and an oxygen separator 12c, wherein the oxygen separator 12c is arranged between the volute 12a and the impeller 12b, the impeller 12b is driven to do work when the waste gas flows into the turbine 12, the impeller 12b presses the waste gas to the oxygen separator 12c, the oxygen separator 12c separates oxygen in the waste gas, the separated oxygen is circulated into an engine air inlet system for secondary combustion, and meanwhile, the waste gas after the oxygen filtration is discharged to the three-way catalyst 20 (with important reference to fig. 1).
Further, in order to avoid overspeed of the turbine 12, an energy recovery motor may be optionally added to the connection shaft between the turbine 12 and the compressor 11 to recover the surplus energy and release the energy when appropriate.
According to the air compressor of the supercharging device, the oxygen separator 12c is additionally arranged between the volute 12a and the impeller 12b, so that when exhaust gas combusted by the lean-burn engine enters the turbine 12, oxygen molecules in the exhaust gas are filtered and collected, the exhaust gas after filtering the oxygen can be directly subjected to aftertreatment by using the traditional three-way catalyst 20, the difficulty in treating the lean-burn exhaust gas is greatly reduced, and the structure is simple and the operation is convenient.
The oxygen separator 12c provided by the invention is a separation structure capable of efficiently separating oxygen in the exhaust gas so as to isolate other molecular components in the combustion exhaust gas, and the invention can be theoretically applied to the full working condition range of an engine, expands the application range and does not need to use noble metal to NO any more x The oxidation reduction is carried out to realize the LNT with high cost, and the rich and lean working condition switching is not needed, so that the lean-burn engine can always operate in a lean area, the low oil consumption of lean combustion is ensured, and meanwhile, the complex calibration work of rich and lean switching and EMS control strategy development are omitted; meanwhile, an active SCR (Selective Catalytic Reduction ) method is not needed, a urea tank is not needed, the arrangement difficulty of the whole vehicle is reduced, and the application range is improved.
In an embodiment of the present invention, the oxygen separator 12c is an oxygen molecular sieve capable of adsorbing and filtering oxygen molecules, and details of the oxygen molecular sieve are referred to in the prior art, and are not described herein.
In the invention, the collecting cavity 12d for collecting and separating oxygen is formed between the volute 12a and the oxygen separator 12c, the collecting cavity 12d is communicated with the inlet of the engine air inlet system, so that oxygen molecules in exhaust gas are filtered and collected, the oxygen is circulated back to the engine air inlet system for secondary combustion, and meanwhile, the exhaust gas after oxygen filtration is directly subjected to aftertreatment by using the three-way catalyst 20, so that a complex and expensive lean combustion aftertreatment scheme is not needed, and a lean combustion aftertreatment threshold is lowered.
In detail, the collection chamber 12d communicates with the inlet of the engine intake system through the oxygen circulation pipe 21, and the outlet of the oxygen circulation pipe 21 protrudes outward from the supercharging device 10. And further, the check valve 22 is arranged in the oxygen circulating pipeline 21, oxygen molecules enter the collecting cavity 12d after being separated by the oxygen separator 12c, and after a certain amount of oxygen is collected, the oxygen is drained through the oxygen circulating pipeline 21 and enters the air inlet system through the check valve 22, and the check valve 22 only allows the collected oxygen to flow back to the air inlet system and does not allow the air inlet in the air inlet system to flow back into the supercharging device, so that the phenomenon of excessive gas in the collecting cavity 12d of the supercharging device can be effectively avoided.
In the present invention, the engine exhaust outlet is an engine cylinder head exhaust side outlet or an engine exhaust manifold outlet, it can be understood that, at the inlet of the turbine 12 of the supercharging device 10 integrated with the exhaust manifold, the engine cylinder head exhaust side outlet is communicated through the first flange, or the turbine 12 inlet of the supercharging device 10 of which the cylinder head is not integrated with the exhaust manifold is communicated with the engine exhaust manifold outlet through the first flange; the outlet of the turbine 12 is communicated with the inlet of the three-way catalyst 20 through a second flange.
The invention also relates to an engine system comprising the supercharging device for lean combustion. The related structure and interaction of the supercharging device and the engine system may refer to the prior art, and will not be described herein.
In summary, the turbocharger provided by the invention is a turbocharger without a waste gate valve, and the oxygen separator is additionally arranged between the volute and the impeller in the supercharging device, so that the exhaust after filtering oxygen can be directly used for exhaust gas aftertreatment by the three-way catalyst, an additional lean combustion aftertreatment device is not needed to be added, the complexity and the cost are reduced, and the supercharging device can adopt lean combustion in full working condition, so that the characteristic of high thermal efficiency of lean combustion is fully exerted.
The present invention is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalent changes and variations in the above-mentioned embodiments can be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. A supercharging device for lean combustion, wherein the supercharging device (10) is a turbocharger without a waste gate valve and comprises a turbine (12) communicated with an engine exhaust outlet and an inlet of a three-way catalyst (20), and the supercharging device is characterized in that the turbine (12) comprises a volute (12 a), an impeller (12 b) and an oxygen separator (12 c) arranged between the volute (12 a) and the impeller (12 b), exhaust gas generated by engine combustion is discharged through the engine exhaust outlet and enters the turbine (12) to drive the impeller (12 b) to do work, the impeller (12 b) presses the exhaust gas to the oxygen separator (12 c), the oxygen separator (12 c) is used for separating oxygen in the exhaust gas, and the exhaust gas after oxygen filtration is discharged through the three-way catalyst (20); a collecting cavity (12 d) for collecting separated oxygen is formed between the volute (12 a) and the oxygen separator (12 c), and the collecting cavity (12 d) is communicated with an inlet of an engine air inlet system; the collecting cavity (12 d) is communicated with an inlet of an engine air inlet system through an oxygen circulating pipeline (21), and a one-way valve (22) is arranged in the oxygen circulating pipeline (21); the outlet of the oxygen circulation pipeline (21) protrudes outwards and protrudes out of the pressurizing device (10); the oxygen separator (12 c) is an oxygen molecular sieve capable of adsorbing and filtering oxygen molecules in the exhaust gas.
2. Supercharging device for lean burn according to claim 1, characterized in that the supercharging device (10) further comprises a compressor (11) which is connected coaxially with the turbine (12).
3. Supercharging device for lean burn according to claim 2, characterized in that an energy recovery motor is provided on the connecting shaft of the compressor (11) and the turbine (12).
4. The supercharging device for lean burn according to claim 2, wherein the engine exhaust outlet is an engine head exhaust side outlet or an engine exhaust manifold outlet.
5. An engine system comprising the supercharging device for lean combustion according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736504.2A CN112343740B (en) | 2019-08-09 | 2019-08-09 | Supercharging device for lean combustion and engine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736504.2A CN112343740B (en) | 2019-08-09 | 2019-08-09 | Supercharging device for lean combustion and engine system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112343740A CN112343740A (en) | 2021-02-09 |
| CN112343740B true CN112343740B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736504.2A Active CN112343740B (en) | 2019-08-09 | 2019-08-09 | Supercharging device for lean combustion and engine system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027926A (en) * | 2001-07-17 | 2003-01-29 | Toyota Motor Corp | Exhaust emission control device of internal combustion engine using oxygen enriching system, and its method |
| DE10304205A1 (en) * | 2002-12-27 | 2004-07-08 | Volkswagen Ag | Exhaust system of an internal combustion engine without a pre-catalyst and method for treating an exhaust gas of the internal combustion engine |
| DE102008060944A1 (en) * | 2008-12-06 | 2010-06-10 | Daimler Ag | Exhaust gas turbocharger for internal combustion engine, has exhaust gas side turbine in exhaust gas tract of internal combustion engine and compressor in inlet tract of internal combustion engine |
| CN102840065A (en) * | 2011-06-23 | 2012-12-26 | 湖南大学 | Compound air intake system capable of realizing oxygen-enriched combustion in combustion motor in real time |
| CN202811052U (en) * | 2012-09-26 | 2013-03-20 | 北京汽车动力总成有限公司 | Exhaust gas turbocharger and motor and vehicle |
| CN104081035A (en) * | 2011-10-11 | 2014-10-01 | 安德烈·普约尔 | Air centrifugation device |
| DE102013015267A1 (en) * | 2013-09-16 | 2015-03-19 | IZV Lizenz GmbH | More efficient and low-emission design of combustion processes of all kinds by means of fluently variable fuel gas composition |
| CN108131221A (en) * | 2017-12-20 | 2018-06-08 | 广州汽车集团股份有限公司 | Gasoline engine gas recirculation system and control method |
| CN210660357U (en) * | 2019-08-09 | 2020-06-02 | 广州汽车集团股份有限公司 | Supercharging device for lean combustion and engine system |
-
2019
- 2019-08-09 CN CN201910736504.2A patent/CN112343740B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027926A (en) * | 2001-07-17 | 2003-01-29 | Toyota Motor Corp | Exhaust emission control device of internal combustion engine using oxygen enriching system, and its method |
| DE10304205A1 (en) * | 2002-12-27 | 2004-07-08 | Volkswagen Ag | Exhaust system of an internal combustion engine without a pre-catalyst and method for treating an exhaust gas of the internal combustion engine |
| DE102008060944A1 (en) * | 2008-12-06 | 2010-06-10 | Daimler Ag | Exhaust gas turbocharger for internal combustion engine, has exhaust gas side turbine in exhaust gas tract of internal combustion engine and compressor in inlet tract of internal combustion engine |
| CN102840065A (en) * | 2011-06-23 | 2012-12-26 | 湖南大学 | Compound air intake system capable of realizing oxygen-enriched combustion in combustion motor in real time |
| CN104081035A (en) * | 2011-10-11 | 2014-10-01 | 安德烈·普约尔 | Air centrifugation device |
| CN202811052U (en) * | 2012-09-26 | 2013-03-20 | 北京汽车动力总成有限公司 | Exhaust gas turbocharger and motor and vehicle |
| DE102013015267A1 (en) * | 2013-09-16 | 2015-03-19 | IZV Lizenz GmbH | More efficient and low-emission design of combustion processes of all kinds by means of fluently variable fuel gas composition |
| CN108131221A (en) * | 2017-12-20 | 2018-06-08 | 广州汽车集团股份有限公司 | Gasoline engine gas recirculation system and control method |
| CN210660357U (en) * | 2019-08-09 | 2020-06-02 | 广州汽车集团股份有限公司 | Supercharging device for lean combustion and engine system |
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| Publication number | Publication date |
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| CN112343740A (en) | 2021-02-09 |
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