CN205876455U - Many cylinder internal combustion engine waste gas cooling device - Google Patents
Many cylinder internal combustion engine waste gas cooling device Download PDFInfo
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- CN205876455U CN205876455U CN201620646671.XU CN201620646671U CN205876455U CN 205876455 U CN205876455 U CN 205876455U CN 201620646671 U CN201620646671 U CN 201620646671U CN 205876455 U CN205876455 U CN 205876455U
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- 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
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Abstract
The utility model discloses a many cylinder internal combustion engine waste gas cooling device in the internal -combustion engine field, including the gaseous effluent cooler, the direct pipe of waste gas, exhaust system, its characterized in that: the import of the direct pipe of gaseous effluent cooler, waste gas with internal -combustion engine cylinder cap exhaust apparatus's corresponding export links to each other, the export of the direct pipe of waste gas with exhaust system's import links to each other, exhaust system's export and atmosphere communicate with each other, the export of gaseous effluent cooler with the corresponding site of exhaust system's the direct pipe of the continuous inclusive AND waste gas of import links to each other. The utility model discloses on being applied to the internal -combustion engine, reduce the volume of gaseous effluent cooler by a wide margin, reduce simultaneously by a wide margin exhaust system the highest average exhaust gas temperature, reduce the emission of the big load of internal -combustion engine. On the internal -combustion engine was applied to to its optimization scheme, adjustable internal -combustion engine exhaust system's average exhaust gas temperature made the full load performance (like fuel consumption, emission etc. ) of internal -combustion engine obtain breakthrough improvement.
Description
Technical field
This utility model relates to internal combustion engine, particularly to the gas extraction system of internal combustion engine.
Background technology
For protection environment, the emission limit of internal combustion engine requires more and more tighter so that internal combustion engine exhaust system needs post processing,
And EGT, the efficiency of post processing is affected huge.And the delivery temperature under current internal combustion engine high load capacity, it is impossible to after Man Zuing
Process temperature required needs.
Along with internal combustion engine turbocharging degree is more and more higher, cylinder of internal-combustion engine institute waste air temperature is more and more higher, thus right
The material requirements of internal combustion engine exhaust system is more and more higher, even uses the requirement of material beyond current gas extraction system, such as whirlpool
Wheel supercharging gasoline engine, the maximum temperature of cylinder institute waste air is far above the turbocharger turbine institute properly functioning temperature of energy.
Cooling internal combustion engine is arranged whole EGT, and the installing space of required gaseous effluent is big, production cost is high.And
And, cooling internal combustion engine is arranged whole EGT, and when the underrun of internal combustion engine or starting, all waste gases will be cooled, fall
The efficiency of low post processing and the utilization of exhaust energy, make the discharge of internal combustion engine and economy be deteriorated.Therefore, cooling internal combustion engine institute
Arrange the scheme of whole EGT, substantially without practical value.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-cylinder engine exhaust gas cooling device, and it applies on internal combustion engine, energy
Enough volumes significantly reducing gaseous effluent, are easier to arrange on internal combustion engine, reduce the cost of gaseous effluent.Only part is useless
Air-flow, through gaseous effluent, makes total exhaust gas pressure loss drop to reduced levels, it is possible to decrease the exhaust back pressure of internal combustion engine, in improving
The fuel oil consumption of combustion engine；The biggest load the arranged portion temperature of internal combustion engine can be reduced simultaneously, reduce waste gas entrance exhaust system
The mean temperature of system, is greatly improved the use cycle of gas extraction system and reduces the discharge of internal combustion engine.Its prioritization scheme is it may be that root
Flow through the flow of gaseous effluent according to engine load change, regulation, i.e. regulate the average exhaust gas temperature of internal combustion engine exhaust system,
Greatly improving cold conditions, the efficiency of post treatment of underload or turbo charge system efficiency, the full load performance of internal combustion engine is (such as fuel oil
Consumption, discharge etc.) obtain breakthrough raising.
The utility model discloses a kind of multi-cylinder engine exhaust gas cooling device in field of internal combustion engine, cool down including waste gas
Device, waste gas straight pipe, gas extraction system, it is characterised in that: described gaseous effluent, import and the described internal combustion engine of waste gas straight pipe
The corresponding outlet of head exhaust device is connected, and the outlet of described waste gas straight pipe is connected with the import of described gas extraction system, described
The outlet of gas extraction system communicates with air, the outlet of described gaseous effluent be connected with the corresponding site of waste gas straight pipe or with institute
The import stating gas extraction system is connected.
Compared with prior art, during its work, the beneficial effects of the utility model are: portion flows through waste gas cooling
Device, is greatly decreased the volume of gaseous effluent, facilitates gaseous effluent layout on internal combustion engine, reduces the one-tenth of gaseous effluent
This, improve cost performance.Only portion flows through gaseous effluent, it is possible to make total exhaust gas pressure loss drop to reduced levels,
Thus reduce the exhaust back pressure of internal combustion engine, improve the fuel oil consumption of internal combustion engine；The biggest load of internal combustion engine can be reduced arranged simultaneously
Portion temperature thus reduce internal combustion engine enter gas extraction system the highest average exhaust gas temperature, gas extraction system is greatly improved
The use cycle also reduces the discharge of internal combustion engine.
Set as optimization of the present utility model, described gaseous effluent or waste gas straight pipe or engine cylinder head system exhaust apparatus
Having flow regulator, can change according to engine load, regulation flows through the exhaust gas flow of gaseous effluent, thus greatly improves
Cold conditions, the efficiency of post treatment of underload and raising turbo charge system efficiency, the full load performance of final internal combustion engine is (such as fuel oil
Consumption, discharge etc.) obtain breakthrough raising.
As one of further improvement of the utility model, described internal combustion engine is that every cylinder is provided with one or more exhaust valve
Multicylinder four-stroke internal combustion engine (the most every cylinder of internal combustion engine is provided with one or two exhaust duct), described engine cylinder head system exhaust apparatus by
Every exhaust duct of cylinder, exhaustor composition, the import of described exhaustor is connected with the outlet of every cylinder exhaust duct, described gas extraction system by
Post processing, acoustic filter composition, described gaseous effluent, import all outlets with described exhaustor of waste gas straight pipe be connected, institute
State gaseous effluent, the outlet of waste gas straight pipe is all connected with the import of post processing, the outlet of post processing and the import of acoustic filter
Being connected, the outlet of acoustic filter communicates with air.One of its prioritization scheme, the outlet of described waste gas straight pipe is provided with Flow-rate adjustment dress
Putting, described flow regulator is flow control valve.Flow control valve have adjusted the exhaust gas flow flowing through waste gas straight pipe, i.e. adjusts
Save the exhaust gas flow flowing through gaseous effluent.The two of its prioritization scheme, the outlet of described gaseous effluent is provided with Flow-rate adjustment
Device, described flow regulator is flow control valve.Two prioritization schemes all can flow through the exhausted air quantity of gaseous effluent, from
And regulate the mean temperature entering gas extraction system；In the two of prioritization scheme, adjustable exhaust gas flow flowing through gaseous effluent
It is adjustable as zero, internal combustion engine low speed, the discharge of starting and economy can be greatly improved.
As the two of further improvement of the utility model, described internal combustion engine is that every cylinder is provided with one or two exhaust duct
Multicylinder four-stroke turbocharging internal-combustion engines, described engine cylinder head system exhaust apparatus is made up of exhaust duct, the exhaustor of every cylinder, described
The import of exhaustor is connected with the outlet of every cylinder exhaust duct, described gas extraction system by the turbine of turbocharger, post processing, disappear
Sound device forms, and described gaseous effluent, the import of waste gas straight pipe are all connected with the outlet of exhaustor, described gaseous effluent,
The outlet of waste gas straight pipe is all connected with the import of turbine, and the outlet of turbine is connected with the import of post processing, post processing
Outlet is connected with the import of acoustic filter, and the outlet of acoustic filter communicates with air.One of its prioritization scheme, described waste gas straight pipe
Outlet is provided with flow regulator, and described flow regulator is flow control valve.The two of its prioritization scheme, described waste gas cools down
The outlet of device is provided with flow regulator, and described flow regulator is flow control valve.
As the three of further improvement of the utility model, described internal combustion engine is the multi-cylinder four that every cylinder is provided with two exhaust ducts
Stroke IC engine, described engine cylinder head system exhaust apparatus is the exhaust duct of every cylinder, and described gas extraction system is by post processing, acoustic filter group
Becoming, described exhaust duct is divided into two groups, is first, second group of exhaust duct respectively, two exhaust ducts of at least one of which cylinder
It is in different groups；The import of described waste gas straight pipe is connected with the outlet of first group of exhaust duct, entering of described gaseous effluent
Mouth is connected with the outlet of second group of exhaust duct, and the described outlet of waste gas straight pipe is connected with the import of post processing, going out of post processing
Mouth is connected with the import of acoustic filter, and the outlet of acoustic filter communicates with air, the outlet of described gaseous effluent and described post processing
Import be connected or be connected with the respective inlets of waste gas straight pipe；Two exhaust ducts of at least one of which cylinder are in difference
Group, the hot and cold waste gas of described cylinder can be made to realize mixing in the identical moment, reduce the waste gas temperature difference in gas extraction system；
Its prioritization scheme be two exhaust ducts of each cylinder be in different groups.Its another prioritization scheme, gaseous effluent or and institute
The relevant position stating exhaust duct is provided with flow regulator, while regulation waste gas flows through gaseous effluent, improves internal combustion engine
Economy and reduce internal combustion engine all operating modes discharge.
As the four of further improvement of the utility model, described internal combustion engine is the multi-cylinder four that every cylinder is provided with two exhaust ducts
Stroke turbocharging internal-combustion engines, described engine cylinder head system exhaust apparatus is the exhaust duct of every cylinder, and described gas extraction system is increased by turbine
The turbine of depressor, post processing, acoustic filter composition, described exhaust duct is divided into two groups, is first, second group of exhaust duct respectively, its
In two exhaust ducts of an at least cylinder be in different groups；The import of described waste gas straight pipe and first group of exhaust duct
Outlet be connected, the import of described gaseous effluent is connected with the outlet of second group of exhaust duct, the outlet of described waste gas straight pipe and
The import of described turbine is connected, and the outlet of turbine is connected with the import of post processing, and the outlet of post processing is entered with acoustic filter
Mouthful be connected, the outlet of acoustic filter communicates with air, the outlet of described gaseous effluent be connected with the import of described turbine or with
The respective inlets of waste gas straight pipe is connected；Two exhaust ducts of at least one of which cylinder are in different groups, described cylinder
Waste gas flow out cylinder the most simultaneously, the hot and cold waste gas of described cylinder can be made to realize mixing in the identical moment, reduce waste gas
In the temperature difference of gas extraction system, its prioritization scheme be two exhaust ducts of each cylinder be in different groups.Its another prioritization scheme,
Gaseous effluent or and the relevant position of described exhaust duct be provided with flow regulator, flow through gaseous effluent at regulation waste gas
While, the economy improving internal combustion engine and all operating modes discharge reducing internal combustion engine.The superposition of said two prioritization scheme, tool
The further prioritization scheme of body is as follows.
Further one of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another of every cylinder
Exhaust duct is the exhaust duct of second group；The outlet of described gaseous effluent is connected with the import of described turbine；Described waste gas is cold
But the outlet of device is provided with flow regulator, and described flow regulator is flow control valve.
Further the two of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another of every cylinder
Exhaust duct is the exhaust duct of second group；The outlet of described gaseous effluent and waste gas straight pipe are connected the import of the first cylinder exhaust duct
It is connected；The outlet of described gaseous effluent is provided with flow regulator, and described flow regulator is flow control valve.
Further the three of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another of every cylinder
Exhaust duct is the exhaust duct of second group；Described waste gas straight pipe also has another import, the outlet of described gaseous effluent and waste gas
Another import of straight pipe is connected；The outlet of described gaseous effluent is provided with flow regulator, and described flow regulator is
Flow control valve.
Further the four of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another of every cylinder
Exhaust duct is the exhaust duct of second group；The outlet of described gaseous effluent is connected with the import of described turbine；Described second group
The import of exhaust duct is provided with flow regulator, and described flow regulator is the exhaust valve of VVT.Certainly, this reality
Also including with novel, the import of second group of only one of which exhaust duct is provided with flow regulator, simply flows through gaseous effluent
Waste gas regulated quantity reduces.The further prioritization scheme of this prioritization scheme, the outlet of described gaseous effluent is provided with Flow-rate adjustment dress
Putting, described flow regulator is flow control valve, can reduce the range of accommodation of VVT exhaust valve, i.e. reduce variable
Valve timing exhaust valve complexity.
The five of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another exhaust duct of every cylinder
It it is the exhaust duct of second group；Described waste gas straight pipe also has another import, the outlet of described gaseous effluent and waste gas straight pipe
Another import be connected；The import of described second group of exhaust duct is provided with flow regulator, and described flow regulator is variable
The exhaust valve of valve timing.
The six of prioritization scheme, an exhaust duct of described every cylinder is the exhaust duct of first group, another exhaust duct of every cylinder
It it is the exhaust duct of second group；Described waste gas straight pipe also has another import, the outlet of described gaseous effluent and waste gas straight pipe
Another import be connected；The import of described first group of exhaust duct is provided with flow regulator, and described flow regulator is electronic
Exhaust valve.
As another prioritization scheme of the present utility model, described internal combustion engine is turbocharging internal-combustion engines, and described turbine increases
The turbine of depressor is variable-section turbomachine.The mean temperature that waste gas can be made to enter turbine due to this utility model reduces,
So that the turbine of described turbocharger machine is variable-section turbomachine is possibly realized that (variable-section turbomachine can hold
The more usual turbine of EGT being subject to is low), variable-section turbomachine can further improve the power of turbocharging internal-combustion engines.
The exhaust valve of this utility model VVT, electric exhausting door, be the prior art of internal combustion engine；This practicality is new
The variable-section turbomachine of type is also the prior art of internal combustion engine.All prior aries, all can be used directly.
Above-mentioned all technical schemes are all applicable to all internal combustion engines, such as: spark ignition type (such as gasoline engine), compression-ignited (such as diesel oil
Machine) multi-cylinder engine, four strokes, two stroke multi-cylinder internal combustion engines, the multi-cylinder engine such as triplex, four cylinders.
Accompanying drawing explanation
For interest of clarity, this utility model embodiment is all as a example by triplex four-stroke gasoline engine.
Fig. 1 this utility model one triplex four-stroke gasoline engine exhaust gas cooling device schematic diagram.
One of Fig. 2 this utility model one triplex four-stroke gasoline engine exhaust gas cooling device prioritization scheme schematic diagram.
Two schematic diagrams of Fig. 3 this utility model one triplex four-stroke gasoline engine exhaust gas cooling device prioritization scheme.
A kind of three cylinder four-stroke Turbocharged Gasoline Engine exhaust gas cooling device schematic diagrams of Fig. 4 this utility model.
The another kind of three cylinder four-stroke Turbocharged Gasoline Engine exhaust gas cooling device schematic diagrams of Fig. 5 this utility model.
One of a kind of three cylinder four-stroke Turbocharged Gasoline Engine exhaust gas cooling device prioritization schemes of Fig. 6 this utility model show
It is intended to.
The two of a kind of three cylinder four-stroke Turbocharged Gasoline Engine exhaust gas cooling device prioritization schemes of Fig. 7 this utility model show
It is intended to.
Detailed description of the invention
Embodiment 1
Such as Fig. 1, for a kind of triplex four-stroke gasoline engine exhaust gas cooling device.Including: gaseous effluent 10, waste gas straight pipe
20, the head exhaust device being made up of 3 exhaust ducts 1-P, 2-P, 3-P and exhaustor 30, it is made up of post processing 40, acoustic filter 50
Gas extraction system.3 imports of exhaustor 30 are connected with the outlet of 3 exhaust ducts 1-P, 2-P, 3-P, gaseous effluent 10, useless
The import of gas straight pipe 20 all outlets with described exhaustor 30 are connected, gaseous effluent 10, waste gas straight pipe 20 outlet equal
Import with post processing 40 is connected, and the outlet of post processing 40 is connected with the import of acoustic filter 50, the outlet of acoustic filter 50 and air
Communicate.
During the present embodiment work, the waste gas that 3 cylinders are discharged by 3 exhaust ducts is through exhaustor 30, and a part flows through waste gas
Cooler 10, another part flow through waste gas straight pipe 20, are summarized in the import of post processing 40, enter air through acoustic filter 50.Only
There is portion to flow through gaseous effluent 10, make total exhaust gas pressure loss drop to reduced levels, reduce the aerofluxus back of the body of gasoline engine
Pressure, improves the fuel oil consumption of gasoline engine；Reduce the biggest the arranged portion of load of gasoline engine thus reduce waste gas and enter post processing
The maximum average temperature of 10, is greatly improved the use cycle of post processing 10；Meanwhile, portion flows through gaseous effluent, significantly
Reduce the volume of gaseous effluent 40, the cost of gaseous effluent is being greatly reduced simultaneously, is facilitating gaseous effluent 40 at gasoline
The layout of machine, uses cost performance high.
One of the present embodiment prioritization scheme, such as Fig. 2.The outlet of described waste gas straight pipe 20 is provided with flow regulator, institute
Stating flow regulator is flow control valve 60.Because total exhausted air quantity that 3 cylinders are discharged through 3 exhaust ducts is constant,
Flow control valve 60 have adjusted the exhaust gas flow flowing through waste gas straight pipe, i.e. have adjusted the exhaust gas flow flowing through gaseous effluent.
Certainly, flow control valve 60 may also be arranged on other corresponding site of waste gas straight pipe 20, such as import.
The two of the present embodiment prioritization scheme, such as Fig. 3.The outlet of gaseous effluent 10 is provided with flow regulator, described stream
Quantity regulating device is flow control valve 60.Certainly, flow control valve 60 may also be arranged on other corresponding portion of gaseous effluent 10
Position, such as import.
During the carrying out practically operating mode of internal combustion engine, two prioritization schemes all can flow through the exhausted air quantity of gaseous effluent, thus adjust
Joint enters internal combustion engine and enters the mean temperature of gas extraction system；Two adjustable waste gas streams flowing through gaseous effluent of prioritization scheme
Amount is adjustable as zero, greatly improves internal combustion engine low speed, the discharge of starting and economy.
Embodiment 2
Such as Fig. 4, being three cylinder four-stroke Turbocharged Gasoline Engine exhaust gas cooling devices, every cylinder is provided with two exhaust valves.Including:
Gaseous effluent 10, waste gas straight pipe 20, it is made up of 6 exhaust ducts 1-1-P, 1-2-P, 2-1-P, 2-2-P, 3-1-P, 3-2-P
Head exhaust device, 3 exhaust ducts 1-1-P, 2-1-P, 3-1-P form first group of exhaust duct, by other 3 exhaust duct 1-
2-P, 2-2-P, 3-3-P form second group of exhaust duct, are made up of the turbine 70 of turbocharger, post processing 40, acoustic filter 50
Gas extraction system.3 imports of waste gas straight pipe 20 are connected with the outlet of first group of 3 exhaust ducts 1-1-P, 2-1-P, 3-1-P,
3 imports of gaseous effluent 10 are connected with the outlet of second group of exhaust duct 1-2-P, 2-2-P, 3-3-P, gaseous effluent 10
Outlet, outlet all imports with turbine 70 of waste gas straight pipe 20 are connected, the outlet of turbine 70 and the import of post processing 40
Being connected, the outlet of post processing 40 is connected with the import of acoustic filter 50, and the outlet of acoustic filter 50 communicates with air.
During the present embodiment work, each cylinder only has portion to flow through gaseous effluent 10, makes total exhaust gas pressure damage
Mistake drops to reduced levels, reduces the exhaust back pressure of gasoline engine, improves the fuel oil consumption of gasoline engine；Reduce the biggest load institute of gasoline engine
Arrange portion thus reduce waste gas and enter the highest average exhaust gas temperature of turbine 70, turbine 70, post processing 40 are greatly improved
The use cycle；Meanwhile, portion flows through gaseous effluent 10, and the volume of gaseous effluent 10 is greatly decreased, and is significantly dropping
The cost of low gaseous effluent simultaneously, facilitates gaseous effluent 10 in the layout of gasoline engine, uses cost performance high；3 cylinders
Discharge waste gas, first group of exhaust duct 1-1-P of a waste gas lease making, 2-1-P, 3-1-P, through waste gas straight pipe 20, another part
Second group of exhaust duct 1-2-P of waste gas lease making, 2-2-P, 3-3-P, through gaseous effluent 10, be summarized in the import of turbine 70, then
Post-treated 40, acoustic filter 50 enters air.A part of waste gas of each cylinder is direct through gaseous effluent by an exhaust duct
Enter gas extraction system, another part of each cylinder enters gas extraction system through waste gas straight pipe, and two parts waste gas substantially can be same
Time enter while gas extraction system, be mutually mixed, finally make waste gas less in the temperature difference of gas extraction system, improve row further
The use cycle of gas system and the efficiency of post processing.
The present embodiment change scheme, such as Fig. 5.Described waste gas straight pipe 20 also has another import, described gaseous effluent 10
Outlet be connected with another import of waste gas straight pipe 20.This change scheme can make high-temp waste gas and low temperature waste gas mixing more equal
Even.
One of further prioritization scheme of the present embodiment, such as Fig. 6.Described and gaseous effluent 10 outlet is provided with Flow-rate adjustment
Device, described flow regulator is flow control valve 60.The outlet of gaseous effluent 10 is provided with flow control valve 60, in regulation
The average exhaust gas temperature of combustion engine gas extraction system, the economy improving internal combustion engine and all operating modes discharge reducing internal combustion engine.
The two of the present embodiment prioritization scheme, such as Fig. 7.The import of described second group of each exhaust duct is provided with Flow-rate adjustment dress
Putting, described flow regulator is the exhaust valve of VVT, be respectively VVT exhaust valve M1-2, M2-2,
M3-2.VVT exhaust valve M1-2, M2-2, M3-2, same adjustable is through the exhaust gas flow of gaseous effluent 10, i.e.
The average exhaust gas temperature of regulation internal combustion engine exhaust system, the economy improving internal combustion engine and all operating modes row reducing internal combustion engine
Put.The further prioritization scheme of this prioritization scheme, described and gaseous effluent outlet is provided with flow regulator, described flow
Adjusting means is flow control valve, can reduce the range of accommodation of VVT exhaust valve, i.e. reduce VVT row
The complexity of valve.
The three of the present embodiment prioritization scheme, the turbine 70 of described turbocharger is variable turbine section turbomachine, can
Variable-area turbine can further improve the power of turbocharging internal-combustion engines.
Claims (10)
1. a multi-cylinder engine exhaust gas cooling device, including gaseous effluent, waste gas straight pipe, gas extraction system, its feature exists
In: described gaseous effluent, the import outlet corresponding to described engine cylinder head system exhaust apparatus of waste gas straight pipe are connected, described
The outlet of waste gas straight pipe is connected with the import of described gas extraction system, and the outlet of described gas extraction system communicates with air, described useless
The outlet of Gas Cooler is connected with the import of described gas extraction system or is connected with the respective inlets of waste gas straight pipe.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 1, it is characterised in that: described gaseous effluent
Or the corresponding site of waste gas straight pipe or engine cylinder head system exhaust apparatus is provided with flow regulator.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 1, it is characterised in that: described internal combustion engine is every
Cylinder is provided with the multicylinder four-stroke internal combustion engine of one or two exhaust duct, and described engine cylinder head system exhaust apparatus is by the aerofluxus of every cylinder
Road, exhaustor form, the import of described exhaustor is connected with the outlet of every cylinder exhaust duct, described gas extraction system by post processing, disappear
Sound device forms, and described gaseous effluent, import all outlets with described exhaustor of waste gas straight pipe are connected, the cooling of described waste gas
Device, the outlet of waste gas straight pipe are all connected with the import of post processing, and the outlet of post processing is connected with the import of acoustic filter, acoustic filter
Outlet communicate with air.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 1, it is characterised in that: described internal combustion engine is every
Cylinder is provided with the multicylinder four-stroke turbocharging internal-combustion engines of one or two exhaust duct, and described engine cylinder head system exhaust apparatus is by every cylinder
Exhaust duct, exhaustor composition, the import of described exhaustor is connected with the outlet of every cylinder exhaust duct, and described gas extraction system is by turbine
The turbine of supercharger, post processing, acoustic filter composition, described gaseous effluent, waste gas straight pipe import all with exhaustor
Outlet be connected, described gaseous effluent, the outlet of waste gas straight pipe are all connected with the import of turbine, the outlet of turbine and after
The import processed is connected, and the outlet of post processing is connected with the import of acoustic filter, and the outlet of acoustic filter communicates with air.
5. according to a kind of multi-cylinder engine exhaust gas cooling device described in claim 2-4 any one, it is characterised in that: described
The outlet of waste gas straight pipe is provided with flow regulator, and described flow regulator is flow control valve.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 1, it is characterised in that: described internal combustion engine is every
Cylinder is provided with the multicylinder four-stroke internal combustion engine of two exhaust ducts, and described engine cylinder head system exhaust apparatus is the exhaust duct of every cylinder, described
Gas extraction system is made up of post processing, acoustic filter, and described exhaust duct is divided into two groups, is first, second group of exhaust duct respectively, Qi Zhongzhi
Two exhaust ducts of a rare cylinder are in different groups；The import of described waste gas straight pipe and the outlet of first group of exhaust duct
Being connected, the import of described gaseous effluent is connected with the outlet of second group of exhaust duct, the outlet of described waste gas straight pipe and rear place
The import of reason is connected, and the outlet of post processing is connected with the import of acoustic filter, and the outlet of acoustic filter communicates with air, and described waste gas is cold
But the outlet of device is connected with the import of post processing or is connected with the respective inlets of waste gas straight pipe；Described gaseous effluent or described
The corresponding site of exhaust duct is provided with flow regulator.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 1, it is characterised in that: described internal combustion engine is every
Cylinder is provided with the multicylinder four-stroke turbocharging internal-combustion engines of two exhaust ducts, and described engine cylinder head system exhaust apparatus is the aerofluxus of every cylinder
Road, described gas extraction system is made up of the turbine of turbocharger, post processing, acoustic filter, and described exhaust duct is divided into two groups, respectively
Being first, second group of exhaust duct, an exhaust duct of described every cylinder is the exhaust duct of first group, and another exhaust duct of every cylinder is
The exhaust duct of second group；The import of described waste gas straight pipe is connected with the outlet of first group of exhaust duct, described gaseous effluent
Import is connected with the outlet of second group of exhaust duct, and the outlet of described waste gas straight pipe is connected with the import of described turbine, turbine
The outlet of machine is connected with the import of post processing, and the outlet of post processing is connected with the import of acoustic filter, the outlet of acoustic filter and air
Communicating, the outlet of described gaseous effluent is connected with the import of described turbine or is connected with the respective inlets of waste gas straight pipe；
The corresponding site of described gaseous effluent or described exhaust duct is provided with flow regulator.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 7, it is characterised in that: described gaseous effluent
Outlet be connected with the import of described turbine；The outlet of described gaseous effluent is provided with flow regulator, and described flow is adjusted
Regulating device is flow control valve.
A kind of multi-cylinder engine exhaust gas cooling device the most according to claim 7, it is characterised in that: described waste gas straight pipe
Also having another import, the outlet of described gaseous effluent is connected with another import of waste gas straight pipe；Described second group of each row
The import of air flue is provided with flow regulator, and described flow regulator is the exhaust valve of VVT.
10. according to a kind of multi-cylinder engine exhaust gas cooling device described in claim 4,7 any one, it is characterised in that: institute
Stating turbine is variable-section turbomachine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620646671.XU CN205876455U (en) | 2016-06-28 | 2016-06-28 | Many cylinder internal combustion engine waste gas cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620646671.XU CN205876455U (en) | 2016-06-28 | 2016-06-28 | Many cylinder internal combustion engine waste gas cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876455U true CN205876455U (en) | 2017-01-11 |
Family
ID=57692614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620646671.XU Expired - Fee Related CN205876455U (en) | 2016-06-28 | 2016-06-28 | Many cylinder internal combustion engine waste gas cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876455U (en) |
-
2016
- 2016-06-28 CN CN201620646671.XU patent/CN205876455U/en not_active Expired - Fee Related
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