CN104806340A - Diesel engine exhaust system assembly - Google Patents
Diesel engine exhaust system assembly Download PDFInfo
- Publication number
- CN104806340A CN104806340A CN201510240477.1A CN201510240477A CN104806340A CN 104806340 A CN104806340 A CN 104806340A CN 201510240477 A CN201510240477 A CN 201510240477A CN 104806340 A CN104806340 A CN 104806340A
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- China
- Prior art keywords
- diesel engine
- exhaust system
- system assembly
- engine exhaust
- gas
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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
Abstract
The invention discloses a diesel engine exhaust system assembly. An exhaust manifold and a supercharger are integrated, an air compressor intake pipe is communicated with the intake end of an air compressor in the supercharger, and an exhaust elbow communicates with the volute end of the supercharger. The diesel engine exhaust system assembly is structurally simple, and is convenient to install, and during operation, vibration is little and noise is low.
Description
Technical field
The invention belongs to diesel engine arts, particularly a kind of diesel engine exhaust system assembly.
Background technique
In order to realize the high power of motor car engine and low oil consumption, supercharging technology is widely applied on diesel engine, thus causes existing diesel engine exhaust system complex structure, existing vent systems is connected more difficult with car load.In addition, in existing diesel vent systems, pressurized machine vibration is excessive, easily causes joint to rupture.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of structure simple, be convenient to install, run the diesel engine exhaust system assembly that after vibration is little, noise is low.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of diesel engine exhaust system assembly, comprise gas exhaust manifold and pressurized machine, described gas exhaust manifold is provided with EGR and gets gas interface, described pressurized machine is arranged on the side of described gas exhaust manifold, and this diesel engine exhaust system assembly also comprises:
Compressor air inlet machine pipe, it is connected with the inlet end of gas compressor in described pressurized machine;
Exhaust elbow, it is connected with the whirlpool end of described pressurized machine.
Preferably, the first seal washer is provided with between described gas exhaust manifold and described pressurized machine.
Preferably, in described pressurized machine, the inlet end of gas compressor is provided with the first flange, and one end of described compressor air inlet machine pipe is provided with the second flange, and described first flange and described second flange fit.
Preferably, the end arranged outside of the other end of described compressor air inlet machine pipe has annular projection.
Preferably, the second seal washer is provided with between described first flange and described second flange.
Preferably, the 3rd seal washer is provided with between the whirlpool end of described pressurized machine and described exhaust elbow.
Preferably, described EGR gets on gas interface and is provided with three-flange.
Preferably, the outside of described gas exhaust manifold is evenly distributed with multiple first assembly department.
Preferably, described pressurized machine there is the second assembly department near the arranged outside of whirlpool end, described second assembly department is fixed with supporting frame.
Preferably, described gas exhaust manifold is the gas exhaust manifold that vermicular cast iron is made, and described compressor air inlet machine pipe is the compressor air inlet machine pipe that cast aluminium is made.
A kind of diesel engine exhaust system assembly provided by the present invention, gas exhaust manifold and pressurized machine integrated, compressor air inlet machine pipe is connected with the inlet end of gas compressor in pressurized machine, and exhaust elbow is connected with the whirlpool end of pressurized machine.This diesel engine exhaust system assembly structure is simple, be convenient to install, and runs that after vibration is little, noise is low.
Accompanying drawing explanation
The plan view of the diesel engine exhaust system assembly that Fig. 1 provides for the embodiment of the present invention;
The plan view of gas exhaust manifold in the diesel engine exhaust system assembly that Fig. 2 provides for the embodiment of the present invention;
The axonometric drawing of pressurized machine in the diesel engine exhaust system assembly that Fig. 3 provides for the embodiment of the present invention;
The plan view of compressor air inlet machine pipe in the diesel engine exhaust system assembly that Fig. 4 provides for the embodiment of the present invention.
In Fig. 1 to Fig. 4, reference character is: 1 gas exhaust manifold, 11 three-flanges, 12 first assembly departments, 2 pressurized machines, 21 first flanges, 22 second assembly departments, 3 first seal washers, 4 second seal washers, 5 compressor air inlet machine pipes, 51 annular projections, 52 second flanges, 6 supporting frames, 7 the 3rd seal washers, 8 exhaust elbows.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 1, a kind of diesel engine exhaust system assembly, comprises gas exhaust manifold 1, pressurized machine 2, compressor air inlet machine pipe 5 and exhaust elbow 8.Wherein, gas exhaust manifold 1 is arranged on the cylinder cap of diesel engine, EGR get gas interface to be arranged on this gas exhaust manifold 1, diesel engine the 3rd, between four-cylinder.As shown in Figure 2, the material selection vermicular cast iron SiMo4.5 of gas exhaust manifold 1, gets gas interface for the ease of EGR and docks with cooling system for recycled exhaust gas, so, get on gas interface at EGR and be provided with rhombus three-flange 11, cooling system for recycled exhaust gas is got gas Interface realization by bolt and three-flange 11 with EGR and is fixedly mounted with.It is Φ 30mm that EGR gets gas interface internal diameter, and on interface, the thickness of three-flange 11 is 12mm, and the channel internal diameter of gas exhaust manifold 1 is Φ 33mm, and the wall thickness of whole gas exhaust manifold 11 is 4.5 ± 0.5mm, and attachment face is 50mm to the distance of chamber central.The outside of gas exhaust manifold 1 is evenly distributed with multiple first assembly department 12, and this first assembly department 12, in boss-shaped, it offers mounting hole, and surface adopts Dacroment process, makes it have anti-corrosion ability very by force.Thermal shield can be installed on diesel engine exhaust system assembly by these the first assembly departments 12.First assembly department 12 also can be designed to other forms such as groove except being designed to boss-shaped.
Pressurized machine 2 is arranged on the side of gas exhaust manifold 1, in order to strengthen the sealing between pressurized machine 2 and gas exhaust manifold 1, is provided with the first seal washer 3 between gas exhaust manifold 1 and pressurized machine 2.Compressor air inlet machine pipe 5 is connected with the inlet end of gas compressor in pressurized machine 2, and exhaust elbow 8 is connected with the whirlpool end of pressurized machine 2.
For the ease of compressor air inlet machine pipe 5 being assembled to the inlet end of gas compressor in pressurized machine 2, so, as shown in Figure 3 and Figure 4, preferably, in pressurized machine 2, the inlet end of gas compressor is provided with triangle first flange 21, and one end of compressor air inlet machine pipe 5 is provided with triangle second flange 52, during assembling, first flange 21 and the second flange 52 fit, and compressor air inlet machine pipe 5 is fixedly connected with the inlet end of gas compressor in pressurized machine 2 with the second flange 52 through this first flange 21 by bolt.In order to strengthen sealing, preferably, between the first flange 21 and the second flange 52, the second seal washer 4 is provided with.The end arranged outside of the other end of compressor air inlet machine pipe 5 has annular projection 51, so, compressor air inlet machine pipe 5 is when being connected with air induction hose, and air induction hose can be sleeved on annular projection 51, when carrying air, air induction hose not easily comes off from compressor air inlet machine pipe 5.First flange 21 and this flange plate interface of the second flange 52 are arranged, and can prevent air induction hose from occurring large corner and inhale the appearance of flat phenomenon.As shown in Figure 4, the material of compressor air inlet machine pipe 5 is cast aluminium, and model is ZL112, and the thickness of the second flange 52 is 10mm.The internal diameter of compressor air inlet machine pipe 5 is Φ 46mm, wall thickness 3.5 ± 0.5mm.The external diameter of annular projection 51 is Φ 56mm, with port distance 5mm.
Also for ease of enhancing sealing, between the whirlpool end of pressurized machine 2 and exhaust elbow 8, be provided with the 3rd seal washer 7.In addition, as depicted in figs. 1 and 2, pressurized machine 2 there is the second assembly department 22 near the arranged outside of whirlpool end, this second assembly department 22 is a cylindrical boss, it offers tapped hole, the second assembly department 22 is fixed with supporting frame 6, bolt is spirally connected through supporting frame 6 and the second assembly department 22.Supporting frame 6 is for supporting pressurized machine 2, and preventing from vibrating in pressurization excessive causing ruptures between pressurized machine 2 and gas exhaust manifold 1.Second assembly department 22, except being designed to cylindrical boss, also can be designed to other forms such as frame structure.
When diesel engine exhaust system assembly uses, gas of combustion is by after gas exhaust manifold 1, and a part of waste gas is got gas interface by EGR after cooling system for recycled exhaust gas, again participated in burning; Another part waste gas through pressurized machine 2 whirlpool end, exhaust elbow 8, then by after-treatment device, is finally discharged from car load gas exhaust piping.On the other hand, fresh air enters into the gas compressor of pressurized machine 2 through compressor air inlet machine pipe 5 from car load suction tude, enters cold air inlet pipeline in car load after supercharging.
This diesel engine exhaust system assembly, gas exhaust manifold 1 and pressurized machine 2 integrated, compressor air inlet machine pipe 5 is connected with the inlet end of gas compressor in pressurized machine 2, and exhaust elbow 8 is connected with the whirlpool end of pressurized machine.This diesel engine exhaust system assembly structure is simple, be convenient to install, and runs that after vibration is little, noise is low.Supporting frame 6 can be used for supporting pressurized machine 2, prevents from vibrating in pressurization excessive causing to rupture between pressurized machine 2 and gas exhaust manifold 1.
In sum, content of the present invention is not limited in the above-described embodiments, and those skilled in the art can propose other mode of execution easily according to guiding theory of the present invention, and these mode of executions all comprise within the scope of the present invention.
Claims (10)
1. a diesel engine exhaust system assembly, comprises gas exhaust manifold and pressurized machine, described gas exhaust manifold is provided with EGR and gets gas interface, it is characterized in that: described pressurized machine is arranged on the side of described gas exhaust manifold, and this diesel engine exhaust system assembly also comprises:
Compressor air inlet machine pipe, it is connected with the inlet end of gas compressor in described pressurized machine;
Exhaust elbow, it is connected with the whirlpool end of described pressurized machine.
2. diesel engine exhaust system assembly according to claim 1, is characterized in that: be provided with the first seal washer between described gas exhaust manifold and described pressurized machine.
3. diesel engine exhaust system assembly according to claim 1, it is characterized in that: in described pressurized machine, the inlet end of gas compressor is provided with the first flange, one end of described compressor air inlet machine pipe is provided with the second flange, and described first flange and described second flange fit.
4. diesel engine exhaust system assembly according to claim 3, is characterized in that: the end arranged outside of the other end of described compressor air inlet machine pipe has annular projection.
5. diesel engine exhaust system assembly according to claim 3, is characterized in that: be provided with the second seal washer between described first flange and described second flange.
6. diesel engine exhaust system assembly according to claim 1, is characterized in that: be provided with the 3rd seal washer between the whirlpool end of described pressurized machine and described exhaust elbow.
7. diesel engine exhaust system assembly according to claim 1, is characterized in that: described EGR gets on gas interface and is provided with three-flange.
8. diesel engine exhaust system assembly according to claim 1, is characterized in that: the outside of described gas exhaust manifold is evenly distributed with multiple first assembly department.
9. diesel engine exhaust system assembly according to claim 1, is characterized in that: described pressurized machine has the second assembly department near the arranged outside of whirlpool end, described second assembly department is fixed with supporting frame.
10. diesel engine exhaust system assembly according to claim 1, is characterized in that: described gas exhaust manifold is the gas exhaust manifold that vermicular cast iron is made, and described compressor air inlet machine pipe is the compressor air inlet machine pipe that cast aluminium is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240477.1A CN104806340A (en) | 2015-05-12 | 2015-05-12 | Diesel engine exhaust system assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240477.1A CN104806340A (en) | 2015-05-12 | 2015-05-12 | Diesel engine exhaust system assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104806340A true CN104806340A (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510240477.1A Pending CN104806340A (en) | 2015-05-12 | 2015-05-12 | Diesel engine exhaust system assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979823A (en) * | 2018-09-28 | 2018-12-11 | 潍柴动力股份有限公司 | A kind of clamping hoop type sealing supporting structure and a kind of exhaust system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2415989A1 (en) * | 2010-08-06 | 2012-02-08 | Caterpillar Motoren GmbH & Co. KG | Two-stage turbocharged engine |
| CN102777289A (en) * | 2011-05-10 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Exhaust bypass system for turbocharged engine with dedicated exhaust gas recirculation |
| CN102877932A (en) * | 2012-10-25 | 2013-01-16 | 沈阳航天三菱汽车发动机制造有限公司 | Turbo supercharged engine |
| CN203081570U (en) * | 2013-01-08 | 2013-07-24 | 安徽江淮汽车股份有限公司 | Pressurized diesel engine pressurizing system |
| CN204591440U (en) * | 2015-05-12 | 2015-08-26 | 安徽江淮汽车股份有限公司 | Diesel engine exhaust system assembly |
-
2015
- 2015-05-12 CN CN201510240477.1A patent/CN104806340A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2415989A1 (en) * | 2010-08-06 | 2012-02-08 | Caterpillar Motoren GmbH & Co. KG | Two-stage turbocharged engine |
| CN102777289A (en) * | 2011-05-10 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Exhaust bypass system for turbocharged engine with dedicated exhaust gas recirculation |
| CN102877932A (en) * | 2012-10-25 | 2013-01-16 | 沈阳航天三菱汽车发动机制造有限公司 | Turbo supercharged engine |
| CN203081570U (en) * | 2013-01-08 | 2013-07-24 | 安徽江淮汽车股份有限公司 | Pressurized diesel engine pressurizing system |
| CN204591440U (en) * | 2015-05-12 | 2015-08-26 | 安徽江淮汽车股份有限公司 | Diesel engine exhaust system assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979823A (en) * | 2018-09-28 | 2018-12-11 | 潍柴动力股份有限公司 | A kind of clamping hoop type sealing supporting structure and a kind of exhaust system |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Application publication date: 20150729 |