CN106677931A - EGR system applied to engine and engine - Google Patents
EGR system applied to engine and engine Download PDFInfo
- Publication number
- CN106677931A CN106677931A CN201611170642.1A CN201611170642A CN106677931A CN 106677931 A CN106677931 A CN 106677931A CN 201611170642 A CN201611170642 A CN 201611170642A CN 106677931 A CN106677931 A CN 106677931A
- Authority
- CN
- China
- Prior art keywords
- waste gas
- egr
- inlet pipe
- air inlet
- egr system
- 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
- 239000002912 waste gas Substances 0.000 claims abstract description 105
- 239000007789 gas Substances 0.000 claims abstract description 63
- 230000030279 gene silencing Effects 0.000 claims description 50
- 230000004087 circulation Effects 0.000 claims description 40
- 238000000746 purification Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 8
- 235000012489 doughnuts Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
Abstract
An EGR system applied to an engine comprises a gas inlet pipe, a gas outlet pipe and a waste gas circulating pipe, wherein the waste gas circulating pipe is connected between the gas inlet pipe and the gas outlet pipe in a bypass mode. A waste gas inlet of the waste gas circulating pipe is connected to the gas outlet pipe, a waste gas outlet of the waste gas circulating pipe is connected to the gas inlet pipe, and noise reduction nets are arranged in the interior position, closed to the waste gas outlet, of the gas inlet pipe. According to the EGR system and the engine, one or more noise reduction nets are arranged in the interior position, closed to the waste gas outlet, of the gas inlet pipe of the EGR system, the noise reduction nets are located on the upper side or the lower side of the connecting position of the waste gas outlet and the gas inlet pipe, after a fresh air flow or a mixed air flow of the fresh air and EGR waste gas passes through the noise reduction nets, and the air flow with nonuniformly-distributed turbulence kinetic energy is divided by the noise reduction nets, so that the turbulence kinetic energy of the air flow passing through the noise reduction nets is distributed uniformly, and noise in the EGR system is reduced.
Description
Technical field
The present invention relates to waste gas recirculation (Exhaust Gas Recirculation, the EGR) technical field of electromotor,
And more particularly to a kind of egr system for being applied to electromotor and the electromotor with the egr system.
Background technology
At present, as the requirement of oil consumption and Abgasgesetz is increasingly harsh, electromotor must carry out technology upgrading, Cai Nengman
Sufficient oil consumption and the requirement of Abgasgesetz.Because EGR technology plays the role of important, EGR technology in terms of engines fuel-economizing, reduction of discharging
Application on the engine is increasingly becoming a kind of trend.
Although increasing EGR technology can lift the fuel economy and the feature of environmental protection of electromotor, while also bringing
Negative impact, such as noise problem.As car load evaluate an important indicator, NVH (Noise, Vibration,
Harshness driving impression of the quality) to customer has very big impact, and the purchase car that may directly affect consumer is selected.
It is a difficult problem for having to during EGR technology application on the engine solve to solve noise problem.
Increase on the engine after egr system, the extra noise problem for producing is primarily present at two:1st, within the engine
After increasing egr system, the position of engine aspirating system is caused in waste gas, waste gas mixes with fresh air, stream condition changes,
The noise similar to whistle can be produced;2nd, an intake-air throttle valve is needed in electromotor low pressure EGR system, in egr system
The pressure reduction needed for egr system is provided during the operating mode that pressure reduction is not enough, when intake-air throttle valve works, using for intake-air throttle valve increases
Gas flow rate, can cause position after valve to produce larger noise.
Therefore need to provide a kind of egr system to solve that egr system when EGR technology is applied on electromotor produces makes an uproar
Mail is inscribed.
The content of the invention
It is an object of the invention to provide a kind of egr system and electromotor for being applied to electromotor, to solve existing EGR skills
Art is applied to the noise problem brought on electromotor.
The present invention solves its technical problem to be realized using following technical scheme.
The present invention provides a kind of egr system for being applied to electromotor, including air inlet pipe, exhaustor and bypass are connected to air inlet
Waste gas circulation pipe between pipe and exhaustor, the waste gas inlet of waste gas circulation pipe is connected to exhaustor, waste gas circulation pipe it is useless
Gas gas outlet is connected in air inlet pipe, air inlet pipe and the position near waste gas gas outlet is provided with silencing net.
Further, silencing net is located at the upside of waste gas gas outlet and the junction of air inlet pipe.
Further, silencing net is located at the downside of waste gas gas outlet and the junction of air inlet pipe.
Further, silencing net is two, respectively positioned at waste gas gas outlet and the upper side and lower side of the junction of air inlet pipe.
Further, intake-air throttle valve is additionally provided with air inlet pipe, silencing net is located under intake-air throttle valve in air inlet pipe
Trip.
Further, silencing net includes rubber seal and wire netting, and silencing net is fixed on air inlet by rubber seal
On the inner surface of pipe.
Further, wire netting radially radiates the connection strap of extension and multiple with different-diameter size including many
And the donut being fixedly connected with connection strap.
Further, egr system also includes turbocharger, the waste gas inlet of waste gas circulation pipe and the connection of exhaustor
Point is located at after turbocharger.
Further, be provided with waste gas circulation pipe EGR filter screens, EGR charge air coolers, temperature sensor, differential pressure pickup and
EGR valve, EGR filter screens are used for purification into the EGR exhaust in waste gas circulation pipe, and temperature sensor passes through for monitoring EGR exhaust
Temperature after EGR charge air coolers, differential pressure pickup is used to monitor the pressure differential at EGR valve two ends, and EGR valve is used for control and follows into waste gas
The exhaust gas flow of endless tube.
The present invention also provides a kind of electromotor, including inlet manifold, exhaust manifold and engine body, also including as above institute
The egr system stated, wherein inlet manifold are connected with air inlet pipe, and exhaust manifold is connected with exhaustor.
Egr system and electromotor that the present invention is provided, by the air inlet pipe of egr system near waste gas gas outlet
Position arranges at least one silencing net, and silencing net is located at the upside or downside of waste gas gas outlet and air inlet pipe junction, fresh
After silencing net, the air-flow of tubulence energy skewness is disappeared the mixed airflow of air draught or fresh air and EGR exhaust
Sound net shunt so that the tubulence energy of the air-flow after silencing net is evenly distributed, so as to reduce egr system in noise.
Description of the drawings
Fig. 1 is the structural representation of egr system in first embodiment of the invention.
Fig. 2 is the structural representation of waste gas circulation pipe and air inlet pipe connectivity part in first embodiment of the invention.
Fig. 3 is the structural representation of silencing net in various embodiments of the present invention.
Fig. 4 is the structural representation of egr system in second embodiment of the invention.
Fig. 5 is the structural representation of waste gas circulation pipe and air inlet pipe connectivity part in second embodiment of the invention.
Fig. 6 is the structural representation of egr system in third embodiment of the invention.
Fig. 7 is the structural representation of waste gas circulation pipe and air inlet pipe connectivity part in third embodiment of the invention.
Specific embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, the specific embodiment, structure, feature and its effect to the present invention, describe in detail as after.
Fig. 1 is the structural representation of egr system in first embodiment of the invention, and Fig. 2 is to give up in first embodiment of the invention
The structural representation of gas circulation pipe and air inlet pipe connectivity part.Please join Fig. 1 and Fig. 2, a kind of egr system for being applied to electromotor, bag
Include the waste gas circulation pipe 12 that air inlet pipe 11, exhaustor 13 and bypass are connected between air inlet pipe 11 and exhaustor 13, waste gas circulation
The waste gas inlet 121 of pipe 12 is connected to exhaustor 13, and the waste gas gas outlet 122 of waste gas circulation pipe 12 is connected to air inlet pipe 11,
The position near waste gas gas outlet 122 is provided with silencing net 31 in air inlet pipe 11, in the present embodiment, silencing net 31 is located at useless
The upside of the junction of gas gas outlet 122 and air inlet pipe 11.
Fig. 3 is the structural representation of silencing net in various embodiments of the present invention.Incorporated by reference to Fig. 3, silencing net 31 includes that rubber is close
Seal 311 and wire netting 312, silencing net 31 is fixed on the inner surface of air inlet pipe 11 by rubber seal 311, specifically,
The rubber seal 311 that inner surface setting for example in air inlet pipe 11 has the groove along pipeline radial direction, the first silencing net 31 is arranged
In groove.In the present embodiment, wire netting 312 radially radiates the connection strap 312a of extension and multiple with not including many
The donut 312b being fixedly connected with diameter and with connection strap 312a.
Further, incorporated by reference to Fig. 1, in the present embodiment, egr system also includes turbocharger 40, waste gas circulation pipe 12
The junction point of waste gas inlet 121 and exhaustor 13 be located at after turbocharger 40.The waste gas that engine body 45 is discharged
Exhaustor 13 is entered via exhaust manifold 44, the waste gas part into exhaustor 13 enters air, a part of Jing waste gas circulations
The waste gas inlet 121 of pipe 12 is entered in egr system.
Incorporated by reference to Fig. 1, in the present embodiment, egr system also include ternary catalyzing unit 21, EGR filter screens 22, EGR charge air coolers 23,
Temperature sensor 24, differential pressure pickup 25 and EGR valve 26, ternary catalyzing unit 21 is arranged on exhaustor 13, EGR filter screens 22, EGR
Charge air cooler 23, temperature sensor 24, differential pressure pickup 25 and EGR valve 26 are arranged on waste gas circulation pipe 12.Engine body 45
The waste gas of discharge is entered in egr system Jing after the process of ternary catalyzing unit 21, and EGR filter screens 22 are used for purification and enter waste gas circulation pipe 12
In EGR exhaust, temperature sensor 24 is used to monitor EGR exhaust by the temperature after EGR charge air coolers 23, and differential pressure pickup 25 is used
In the pressure differential at monitoring EGR valve 26 two ends, EGR valve 26 is used for control into the exhaust gas flow of waste gas circulation pipe 12.
Incorporated by reference to Fig. 2, because under Part load, the pressure reduction of egr system can not meet the demand of electromotor, needs are starting
Increase intake-air throttle valve 27 in the gas handling system of machine, the aperture that intake-air throttle valve 27 passes through control valve produces can egr system
Different pressure reduction, so as to provide required egr system pressure reduction for electromotor.But after intake-air throttle valve 27 is increased, pass through
The gas flow area of intake-air throttle valve 27 reduces, and flow velocity is accelerated, during intake-air throttle valve 27, the tubulence energy of air-flow
Skewness, causes to produce larger noise at intake-air throttle valve 27.By under intake-air throttle valve 27 in air inlet pipe 11
Trip arranges silencing net 31, and the air-flow that can make tubulence energy skewness is shunted by silencing net 31 so that by the gas of silencing net 31
Stream tubulence energy more uniformly spreads, so as to the noise for reducing being produced because increasing intake-air throttle valve 27.
Fig. 4 is the structural representation of egr system in second embodiment of the invention, and Fig. 5 is to give up in second embodiment of the invention
The structural representation of gas circulation pipe and air inlet pipe connectivity part.Please join Fig. 4 and Fig. 5, a kind of egr system for being applied to electromotor, bag
Include the waste gas circulation pipe 12 that air inlet pipe 11, exhaustor 13 and bypass are connected between air inlet pipe 11 and exhaustor 13, waste gas circulation
The waste gas inlet 121 of pipe 12 is connected to exhaustor 13, and the waste gas gas outlet 122 of waste gas circulation pipe 12 is connected to air inlet pipe 11,
The position near waste gas gas outlet 122 is provided with silencing net 31 in air inlet pipe 11, in the present embodiment, silencing net 31 is located at useless
The downside of the junction of gas gas outlet 122 and air inlet pipe 11.
Incorporated by reference to Fig. 3, silencing net 31 includes rubber seal 311 and wire netting 312, and silencing net 31 passes through rubber seal
311 are fixed on the inner surface of air inlet pipe 11, and specifically, such as the inner surface setting in air inlet pipe 11 has along the recessed of pipeline radial direction
Groove, the rubber seal 311 of the first silencing net 31 is arranged in groove.In the present embodiment, wire netting 312 includes many radially
Connection strap 312a and multiple donuts being fixedly connected with different-diameter size and with connection strap 312a that radiation extends
312b。
Further, incorporated by reference to Fig. 4, in the present embodiment, egr system also includes turbocharger 40, waste gas circulation pipe 12
The junction point of waste gas inlet 121 and exhaustor 13 be located at after turbocharger 40.The waste gas that engine body 45 is discharged
Exhaustor 13 is entered via exhaust manifold 44, the waste gas part into exhaustor 13 enters air, a part of Jing waste gas circulations
The waste gas inlet 121 of pipe 12 is entered in egr system.
Please join Fig. 4, in the present embodiment, egr system also includes ternary catalyzing unit 21, EGR filter screens 22, EGR charge air coolers 23, temperature
Degree sensor 24, differential pressure pickup 25 and EGR valve 26, the waste gas Jing ternary catalyzing units 21 that engine body 45 is discharged process latter
Part is entered in egr system by waste gas inlet 121, and EGR filter screens 22 are used for purification and give up into the EGR in waste gas circulation pipe 12
Gas, temperature sensor 24 is used to monitor EGR exhaust by the temperature after EGR charge air coolers 23, and differential pressure pickup 25 is used to monitor EGR
The pressure differential at the two ends of valve 26, EGR valve 26 is used for control into the exhaust gas flow of waste gas circulation pipe 12.
Incorporated by reference to Fig. 5, because under Part load, the pressure reduction of egr system can not meet the demand of electromotor, needs are starting
Increase intake-air throttle valve 27 in the gas handling system of machine, the aperture that intake-air throttle valve 27 passes through control valve produces can egr system
Different pressure reduction, so as to provide required egr system pressure reduction for electromotor.
Fresh air is entered and mixed with the waste gas flowed out from waste gas gas outlet 122 after air inlet pipe 11, and two kinds of air-flows are mutually rushed
Hit, the mixed airflow local tubulence energy being here formed as is larger, therefore can in this place form larger noise.By in air inlet pipe 11
Interior waste gas gas outlet 122 arranges a silencing net 31 with the downside of the junction of air inlet pipe 11, mixes with waste gas in fresh air
Afterwards, acted on by the segmentation of silencing net 31, the mixed airflow that two kinds of gas impacts are mutually formed is broken up, made rapid in mixed airflow
After the larger region of kinetic energy is divided, the tubulence energy of each several part mixed airflow is intended to be uniformly distributed, so as to reduce because of fresh sky
The noise that gas is produced after mixing with waste gas.
Fig. 6 is the structural representation of egr system in third embodiment of the invention, and Fig. 7 is to give up in third embodiment of the invention
The structural representation of gas circulation pipe and air inlet pipe connectivity part.Please join Fig. 6 and Fig. 7, a kind of egr system for being applied to electromotor, bag
Include the waste gas circulation pipe 12 that air inlet pipe 11, exhaustor 13 and bypass are connected between air inlet pipe 11 and exhaustor 13, waste gas circulation
The waste gas inlet 121 of pipe 12 is connected to exhaustor 13, and the waste gas gas outlet 122 of waste gas circulation pipe 12 is connected to air inlet pipe 11,
The position near waste gas gas outlet 122 is provided with silencing net 31 in air inlet pipe 11, in the present embodiment, silencing net 31 has two
It is individual, a downside for being located at waste gas gas outlet 122 and the junction of air inlet pipe 11, one is located at waste gas gas outlet 122 and air inlet
The upside of the junction of pipe 11.
Incorporated by reference to Fig. 3, silencing net 31 includes rubber seal 311 and wire netting 312, and silencing net 31 passes through rubber seal
311 are fixed on the inner surface of air inlet pipe 11, and specifically, such as the inner surface setting in air inlet pipe 11 has along the recessed of pipeline radial direction
Groove, the rubber seal 311 of the first silencing net 31 is arranged in groove.In the present embodiment, wire netting 312 includes many radially
Connection strap 312a and multiple donuts being fixedly connected with different-diameter size and with connection strap 312a that radiation extends
312b。
Further, incorporated by reference to Fig. 6, in the present embodiment, egr system also includes turbocharger 40, waste gas circulation pipe 12
The junction point of waste gas inlet 121 and exhaustor 13 be located at after turbocharger 40.The waste gas that engine body 45 is discharged
Exhaustor 13 is entered via exhaust manifold 44, the waste gas part into exhaustor 13 enters air, a part of Jing waste gas circulations
The waste gas inlet 121 of pipe 12 is entered in egr system.
Incorporated by reference to Fig. 6, in the present embodiment, egr system also includes ternary catalyzing unit 21, EGR filter screens 22, EGR charge air coolers
23rd, temperature sensor 24, differential pressure pickup 25 and EGR valve 26, at the waste gas Jing ternary catalyzing units 21 that engine body 45 is discharged
Enter after reason in egr system, EGR filter screens 22 are used for purification into the EGR exhaust in egr system, and temperature sensor 24 is used to supervise
EGR exhaust is surveyed by the temperature after EGR charge air coolers 23, differential pressure pickup 25 is used to monitor the pressure differential at the two ends of EGR valve 26, EGR
Valve 26 is used for control into the exhaust gas flow of waste gas circulation pipe 12.
Incorporated by reference to Fig. 7, because under Part load, the pressure reduction of egr system can not meet the demand of electromotor, needs are starting
Increase intake-air throttle valve 27 in the gas handling system of machine, the aperture that intake-air throttle valve 27 passes through control valve produces can egr system
Different pressure reduction, so as to provide required egr system pressure reduction for electromotor.But after intake-air throttle valve 27 is increased, pass through
The gas flow area of intake-air throttle valve 27 reduces, and flow velocity is accelerated, during intake-air throttle valve 27, the tubulence energy of air-flow
Skewness, causes to produce larger noise at intake-air throttle valve 27.By being located at waste gas gas outlet 122 in air inlet pipe 11
Silencing net 31 is set with the upside of the junction of air inlet pipe 11, the air-flow of tubulence energy skewness can be made by 31 points of silencing net
Stream so that more uniformly spread by the air-flow tubulence energy of silencing net 31, so as to reduce producing because increasing intake-air throttle valve 27
Noise.
Fresh air is entered and mixed with the waste gas flowed out from waste gas gas outlet 122 after air inlet pipe 11, and two kinds of air-flows are mutually rushed
Hit, the mixed airflow local tubulence energy being here formed as is larger, therefore can in this place form larger noise.By in air inlet pipe 11
Interior waste gas gas outlet 122 arranges a silencing net 31 with the downside of the junction of air inlet pipe 11, mixes with waste gas in fresh air
Afterwards, acted on by the segmentation of silencing net 31, the mixed airflow that two kinds of gas impacts are mutually formed is broken up, made rapid in mixed airflow
After the larger region of kinetic energy is divided, the tubulence energy of each several part mixed airflow is intended to be uniformly distributed, so as to reduce because of fresh sky
Gas mixes the noise for producing with waste gas.
The present invention also provides a kind of electromotor, including inlet manifold 43, exhaust manifold 44, engine body 45, charge air cooler
41 and air throttle 42, also including egr system as above.Wherein, inlet manifold 43 is connected with air inlet pipe 11, exhaust manifold 44
It is connected with exhaustor 13.
Egr system and electromotor that the present invention is provided, it is interior near waste gas gas outlet by the air inlet pipe 11 in egr system
122 position arranges at least one silencing net 31, and silencing net 31 is located at the upside of waste gas gas outlet 122 and the junction of air inlet pipe 11
Or the mixed airflow of downside, fresh air air-flow or fresh air and EGR exhaust is after by silencing net 31, tubulence energy distribution
Uneven air-flow is shunted by silencing net 31 so that be evenly distributed by the tubulence energy of the air-flow of silencing net 31, so as to reduce EGR systems
Noise in system.
Herein, term " including ", "comprising" or its any other variant are intended to including for nonexcludability, remove
Comprising those listed key elements, but also other key elements being not expressly set out can be included.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located in figure with parts in accompanying drawing and zero
Part position each other is intended merely to the clear and convenient of expression technology scheme come what is defined.It should be appreciated that the noun of locality
Use should not limit the scope that the application is claimed.
In the case where not conflicting, the feature in embodiment herein-above set forth and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of egr system for being applied to electromotor, its feature is being, including air inlet pipe (11), exhaustor (13) and bypass
The waste gas circulation pipe (12) being connected between the air inlet pipe (11) and the exhaustor (13), the waste gas circulation pipe (12)
Waste gas inlet (121) is connected to the exhaustor (13), and the waste gas gas outlet (122) of the waste gas circulation pipe (12) is connected to
The position near the waste gas gas outlet (122) is provided with silencing net in the air inlet pipe (11), the air inlet pipe (11)
(31)。
2. egr system as claimed in claim 1, it is characterised in that the silencing net (31) is positioned at the waste gas gas outlet
(122) with the upside of the junction of the air inlet pipe (11).
3. egr system as claimed in claim 1, it is characterised in that the silencing net (31) is positioned at the waste gas gas outlet
(122) with the downside of the junction of the air inlet pipe (11).
4. egr system as claimed in claim 1, it is characterised in that the silencing net (31) is two, respectively positioned at described useless
The upper side and lower side of gas gas outlet (122) and the junction of the air inlet pipe (11).
5. egr system as claimed in claim 1, it is characterised in that is additionally provided with intake-air throttle valve in the air inlet pipe (11)
(27), the silencing net (31) is located at the downstream of the intake-air throttle valve (27) in the air inlet pipe (11).
6. egr system as claimed in claim 1, it is characterised in that the silencing net (31) including rubber seal (311) and
Wire netting (312), the silencing net (31) is fixed on the inner surface of the air inlet pipe (11) by the rubber seal (311)
On.
7. egr system as claimed in claim 6, it is characterised in that the wire netting (312) including many radially radiation prolongs
The connection strap (312a) stretched and multiple concentric circulars being fixedly connected with different-diameter size and with the connection strap (312a)
Ring (312b).
8. egr system as claimed in claim 1, it is characterised in that the egr system also includes turbocharger (40), institute
The junction point of the waste gas inlet (121) and the exhaustor (13) of stating waste gas circulation pipe (12) is located at the turbocharger
(40) after.
9. egr system as claimed in claim 1, it is characterised in that be provided with EGR filter screens on the waste gas circulation pipe (12)
(22), EGR charge air coolers (23), temperature sensor (24), differential pressure pickup (25) and EGR valve (26), the EGR filter screens (22) are used
In purification into the EGR exhaust in the waste gas circulation pipe (12), the temperature sensor (24) passes through for monitoring EGR exhaust
Temperature after the EGR charge air coolers (23), the differential pressure pickup (25) is for monitoring the pressure at the EGR valve (26) two ends
Difference, the EGR valve (26) enters the exhaust gas flow of the waste gas circulation pipe (12) for control.
10. a kind of electromotor, including inlet manifold (43), exhaust manifold (44) and engine body (45), it is characterised in that also
Including the egr system as described in any one of claim 1-9, wherein the inlet manifold (43) is with the air inlet pipe (11) even
Connect, the exhaust manifold (44) is connected with the exhaustor (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611170642.1A CN106677931A (en) | 2016-12-16 | 2016-12-16 | EGR system applied to engine and engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611170642.1A CN106677931A (en) | 2016-12-16 | 2016-12-16 | EGR system applied to engine and engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106677931A true CN106677931A (en) | 2017-05-17 |
Family
ID=58870780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611170642.1A Pending CN106677931A (en) | 2016-12-16 | 2016-12-16 | EGR system applied to engine and engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106677931A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150315A (en) * | 2017-12-29 | 2018-06-12 | 潍柴动力股份有限公司 | EGR exhaust processing unit and automobile |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1690400A (en) * | 2004-04-19 | 2005-11-02 | 西门子公司 | Low noise air inlet pipe with throttle |
CN101725440A (en) * | 2008-10-27 | 2010-06-09 | 通用电气公司 | An inlet system for egr system |
CN102230429A (en) * | 2011-04-29 | 2011-11-02 | 奇瑞汽车股份有限公司 | EGR (Exhaust Gas Recirculation) gas mixer |
CN203742841U (en) * | 2014-02-27 | 2014-07-30 | 奇瑞汽车股份有限公司 | ERG system of engine |
CN204493018U (en) * | 2015-03-27 | 2015-07-22 | 北京汽车动力总成有限公司 | A kind of gas recirculation system and automobile |
CN204877749U (en) * | 2015-06-15 | 2015-12-16 | 华晨汽车集团控股有限公司 | Net system spare of making an uproar falls |
-
2016
- 2016-12-16 CN CN201611170642.1A patent/CN106677931A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1690400A (en) * | 2004-04-19 | 2005-11-02 | 西门子公司 | Low noise air inlet pipe with throttle |
CN101725440A (en) * | 2008-10-27 | 2010-06-09 | 通用电气公司 | An inlet system for egr system |
CN102230429A (en) * | 2011-04-29 | 2011-11-02 | 奇瑞汽车股份有限公司 | EGR (Exhaust Gas Recirculation) gas mixer |
CN203742841U (en) * | 2014-02-27 | 2014-07-30 | 奇瑞汽车股份有限公司 | ERG system of engine |
CN204493018U (en) * | 2015-03-27 | 2015-07-22 | 北京汽车动力总成有限公司 | A kind of gas recirculation system and automobile |
CN204877749U (en) * | 2015-06-15 | 2015-12-16 | 华晨汽车集团控股有限公司 | Net system spare of making an uproar falls |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108150315A (en) * | 2017-12-29 | 2018-06-12 | 潍柴动力股份有限公司 | EGR exhaust processing unit and automobile |
CN108150315B (en) * | 2017-12-29 | 2021-05-18 | 潍柴动力股份有限公司 | EGR exhaust treatment device and automobile |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8499558B2 (en) | Turbocharger with mixing device upstream of compressor inlet | |
JP2009524774A (en) | Unit for mixing low-pressure EGR condensate into the compressor | |
CN102395764A (en) | Exhaust manifold of a turbo-supercharged reciprocating engine | |
CN208417090U (en) | Two-dimensional-configuration multi-support-plate ejector | |
US10208717B2 (en) | Intake apparatus and dump truck | |
CN105822463A (en) | Venturi pipe waste gas recirculating device of improved ship low-speed diesel engine | |
CN203515789U (en) | Turbocharger for engine | |
CN106762241A (en) | A kind of engine exhaust-gas recirculating system | |
CN106677931A (en) | EGR system applied to engine and engine | |
US20060086073A1 (en) | Air filter for a scoop | |
CN103912410A (en) | ERG mixer of dual-gas pickup structure | |
CN102953867A (en) | Engine air inlet pipe | |
CN107592898B (en) | Compressor of a turbocharger with an air circulation valve, turbocharger with such a compressor and motor vehicle | |
CN206190411U (en) | Control float volume diesel emission's system and diesel engine system | |
CN109488490A (en) | A kind of engine exhaust-gas recirculating system mixed structure | |
CN208106599U (en) | engine system and vehicle | |
CN208010447U (en) | Exhaust gas processing device and automobile | |
CN208024444U (en) | A kind of loading machine waste gas ejecting device | |
CN103953478B (en) | Dual pathways super charge pipe | |
CN103912420B (en) | Double-tube structure super charge pipe | |
CN208950736U (en) | Inlet manifold, engine and automobile | |
CN206539434U (en) | A kind of engine environment-protection oil-saving device | |
CN206221099U (en) | A kind of electronics recycle valve mounting structure for pipeline | |
CN205206988U (en) | Cylinder cap shroud of empty filter has integrateed | |
CN204041286U (en) | EGR mixing arrangement and vehicle egr system and vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
|
RJ01 | Rejection of invention patent application after publication |