CN105019994A - Automobile exhaust pipe - Google Patents
Automobile exhaust pipe Download PDFInfo
- Publication number
- CN105019994A CN105019994A CN201510469186.XA CN201510469186A CN105019994A CN 105019994 A CN105019994 A CN 105019994A CN 201510469186 A CN201510469186 A CN 201510469186A CN 105019994 A CN105019994 A CN 105019994A
- Authority
- CN
- China
- Prior art keywords
- pipe
- exhaust
- branch pipe
- catalyzing unit
- ternary catalyzing
- 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
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Silencers (AREA)
Abstract
The invention discloses an automobile exhaust pipe which comprises a gas inlet pipe, a main three-way catalyst, a main exhaust pipe, a first branch exhaust pipe, a second branch exhaust pipe, a first three-way catalyst, a first throttling pipe, a first sound absorption device, a third gas outlet pipeline, a first cooling plate, a first gas outlet pipeline, a distributing blocking piece, a third branch exhaust pipe, a second three-way catalyst, a third three-way catalyst, a second throttling pipe, a second sound absorption device, a second cooling plate, a second gas outlet pipeline, a third throttling pipe, a third sound absorption device and a third cooling plate. The automobile exhaust pipe is characterized in that the main three-way catalyst is arranged at the lower end of the gas inlet pipe which is connected with the main three-way catalyst, and the main exhaust pipe is arranged at the lower end of the main three-way catalyst which is fixedly connected with the main exhaust pipe. The automobile exhaust pipe has the advantages of being simple in structure, capable of lowering exhaust noise, good in heat dissipation and convenient to mount.
Description
Technical field
The present invention relates to technical field of automobile, particularly relate to a kind of automobile exhaust pipe.
Background technique
At present, in recent years, urban motor vehicle increases very fast, and incident traffic noise pollution environmental phenomenon also becomes increasingly conspicuous, and the maximum harm of motor transport corps's environmental protection is noise pollution, atmospheric pollution, investigation shows, Motor Vehicle noise accounts for 75.5% of city noise, along with the development of automotive energy-saving emission-reducing, require that automobile reduces noise, energy saving consumption.And the topmost noise of automobile is from the vent systems of automobile, i.e. motor vehicle exhaust emission noise, in order to reduce motor vehicle exhaust emission noise, meets the requirement of automobile environment-protection.Automobile exhaust pipe is the important component of automobile, and its effect makes whole vent systems be Flexible spacecraft, thus plays vibration and noise reducing, the convenient effect of installing and extending the exhausting silencer system life-span.Existing automobile exhaust pipe many employings straighttube-type structure, although the waste gas of automobile generation is through the noise elimination of silencing apparatus, waste gas, by still producing very large noise during rectilinear duct, causes noise pollution.Automobile exhaust pipe in use, because its inside is connected with vehicle exhaust, temperature is higher, outlet pipe self is caused to expand, when automobile does not use, outlet pipe can shrink again, causes by-local forces repeatedly to change in suction tude and cylinder joint, and then cause Joint failure, affect outlet pipe working life.The main material of outlet pipe is stainless steel, and cutting ferrule and adapter material can be stainless steel or Aluminium Coated Steel.In prior art, usually there are some potential safety hazards because of temperature overheating in outlet pipe, and thermal diffusivity is poor, therefore, is necessary to provide a kind of automobile exhaust pipe, to solve deficiency of the prior art.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provide a kind of automobile exhaust pipe, the present invention is provided with three exhaust branch pipes, can effectively multiple exhaust supervisor exhaust, avoid the concentrated discharge of vehicle exhaust, three exhaust branch pipes are provided with sound absorber and throttle pipe, the noise of the emission of automobile exhaust system can be reduced.The present invention has the advantage that structure is simple, reduction exhaust noise, thermal diffusivity are good and easy for installation.
Technological scheme of the present invention is: a kind of automobile exhaust pipe, comprise: suction tude, main ternary catalyzing unit, exhaust supervisor, first row gas branch pipe, second row gas branch pipe, first ternary catalyzing unit, first throttle pipe, first sound absorber, 3rd outlet pipe, first Heat sink, first outlet pipe, shunting catch, 3rd exhaust branch pipe, second ternary catalyzing unit, 3rd ternary catalyzing unit, second throttle pipe, second sound absorber, second Heat sink, second outlet pipe, 3rd throttle pipe, 3rd sound absorber and the 3rd Heat sink, it is characterized in that: described suction tude lower end is provided with main ternary catalyzing unit, described suction tude and main ternary catalyzing unit are interconnected, described main ternary catalyzing unit lower end is provided with exhaust supervisor, described main ternary catalyzing unit is mutually permanently connected with exhaust supervisor, described exhaust supervisor lower end is provided with first row gas branch pipe, second row gas branch pipe and the 3rd exhaust branch pipe, described exhaust supervisor lower end successively with described first row gas branch pipe, one end of second row gas branch pipe and the 3rd exhaust branch pipe is mutually permanently connected, described first row gas branch pipe is provided with the first ternary catalyzing unit, described first ternary catalyzing unit and first row gas branch pipe are mutually permanently connected, described first ternary catalyzing unit lower end is provided with first throttle pipe, described first throttle pipe is provided with the first sound absorber, described first sound absorber and first throttle pipe are mutually permanently connected, described first row gas branch pipe lower end is provided with the first Heat sink, described first Heat sink lower end is provided with the first outlet pipe, described first outlet pipe and described first row gas branch pipe are mutually permanently connected, described second row gas branch pipe is provided with the second ternary catalyzing unit, described second ternary catalyzing unit and second row gas branch pipe are mutually permanently connected, described second ternary catalyzing unit lower end is provided with the second throttle pipe, described second throttle pipe is provided with the second sound absorber, described second sound absorber and the second throttle pipe are mutually permanently connected, described second row gas branch pipe lower end is provided with the second Heat sink, described second Heat sink lower end is provided with the second outlet pipe, described second outlet pipe and described second row gas branch pipe are mutually permanently connected, described 3rd exhaust branch pipe is provided with the 3rd ternary catalyzing unit, described 3rd ternary catalyzing unit and the 3rd exhaust branch pipe are mutually permanently connected, described 3rd ternary catalyzing unit lower end is provided with the 3rd throttle pipe, described 3rd throttle pipe is provided with the 3rd sound absorber, described 3rd sound absorber and the 3rd throttle pipe are mutually permanently connected, described 3rd exhaust branch pipe lower end is provided with the 3rd Heat sink, described 3rd Heat sink lower end is provided with the 3rd outlet pipe, described 3rd outlet pipe and described 3rd exhaust branch pipe are mutually permanently connected.
Further, shunting catch is provided with in described main exhaust.
Further, the material of described first Heat sink, the second Heat sink and the 3rd Heat sink is aluminum alloy.
Further, the material of described first outlet pipe, the second outlet pipe and the 3rd outlet pipe is stainless steel.
Beneficial effect of the present invention is: a kind of automobile exhaust pipe, comprise: suction tude, main ternary catalyzing unit, exhaust supervisor, first row gas branch pipe, second row gas branch pipe, first ternary catalyzing unit, first throttle pipe, first sound absorber, 3rd outlet pipe, first Heat sink, first outlet pipe, shunting catch, 3rd exhaust branch pipe, second ternary catalyzing unit, 3rd ternary catalyzing unit, second throttle pipe, second sound absorber, second Heat sink, second outlet pipe, 3rd throttle pipe, 3rd sound absorber and the 3rd Heat sink, it is characterized in that: described suction tude lower end is provided with main ternary catalyzing unit, described suction tude and main ternary catalyzing unit are interconnected, described main ternary catalyzing unit lower end is provided with exhaust supervisor, described main ternary catalyzing unit is mutually permanently connected with exhaust supervisor, described exhaust supervisor lower end is provided with first row gas branch pipe, second row gas branch pipe and the 3rd exhaust branch pipe, described exhaust supervisor lower end successively with described first row gas branch pipe, one end of second row gas branch pipe and the 3rd exhaust branch pipe is mutually permanently connected, described first row gas branch pipe is provided with the first ternary catalyzing unit, described first ternary catalyzing unit and first row gas branch pipe are mutually permanently connected, described first ternary catalyzing unit lower end is provided with first throttle pipe, described first throttle pipe is provided with the first sound absorber, described first sound absorber and first throttle pipe are mutually permanently connected, described first row gas branch pipe lower end is provided with the first Heat sink, described first Heat sink lower end is provided with the first outlet pipe, described first outlet pipe and described first row gas branch pipe are mutually permanently connected, described second row gas branch pipe is provided with the second ternary catalyzing unit, described second ternary catalyzing unit and second row gas branch pipe are mutually permanently connected, described second ternary catalyzing unit lower end is provided with the second throttle pipe, described second throttle pipe is provided with the second sound absorber, described second sound absorber and the second throttle pipe are mutually permanently connected, described second row gas branch pipe lower end is provided with the second Heat sink, described second Heat sink lower end is provided with the second outlet pipe, described second outlet pipe and described second row gas branch pipe are mutually permanently connected, described 3rd exhaust branch pipe is provided with the 3rd ternary catalyzing unit, described 3rd ternary catalyzing unit and the 3rd exhaust branch pipe are mutually permanently connected, described 3rd ternary catalyzing unit lower end is provided with the 3rd throttle pipe, described 3rd throttle pipe is provided with the 3rd sound absorber, described 3rd sound absorber and the 3rd throttle pipe are mutually permanently connected, described 3rd exhaust branch pipe lower end is provided with the 3rd Heat sink, described 3rd Heat sink lower end is provided with the 3rd outlet pipe, described 3rd outlet pipe and described 3rd exhaust branch pipe are mutually permanently connected.The present invention is provided with three exhaust branch pipes, can effectively multiple exhaust supervisor exhaust, avoid the concentrated discharge of vehicle exhaust, three exhaust branch pipes be provided with sound absorber and throttle pipe, the noise of the emission of automobile exhaust system can be reduced.The present invention has the advantage that structure is simple, reduction exhaust noise, thermal diffusivity are good and easy for installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1, suction tude 2, main ternary catalyzing unit 3, exhaust supervisor
4, first row gas branch pipe 5, second row gas branch pipe 6, first ternary catalyzing unit
7, first throttle pipe 8, first sound absorber 9, the 3rd outlet pipe
10, the first Heat sink 11, first outlet pipe 12, shunting catch
13, the 3rd exhaust branch pipe 14, second ternary catalyzing unit 15, the 3rd ternary catalyzing unit
16, the second throttle pipe 17, second sound absorber 18, second Heat sink
19, the second outlet pipe 20, the 3rd throttle pipe 21, the 3rd sound absorber
22, the 3rd Heat sink
Embodiment
Below in conjunction with accompanying drawing, brief description is made to the specific embodiment of the present invention.
As shown in Figure 1, a kind of automobile exhaust pipe, comprise: suction tude 1, main ternary catalyzing unit 2, exhaust supervisor 3, first row gas branch pipe 4, second row gas branch pipe 5, first ternary catalyzing unit 6, first throttle pipe 7, first sound absorber 8, 3rd outlet pipe 9, first Heat sink 10, first outlet pipe 11, shunting catch 12, 3rd exhaust branch pipe 13, second ternary catalyzing unit 14, 3rd ternary catalyzing unit 15, second throttle pipe 16, second sound absorber 17, second Heat sink 18, second outlet pipe 19, 3rd throttle pipe 20, 3rd sound absorber 21 and the 3rd Heat sink 22, it is characterized in that: described suction tude 1 lower end is provided with main ternary catalyzing unit 2, described suction tude 1 is interconnected with main ternary catalyzing unit 2, described main ternary catalyzing unit 2 lower end is provided with exhaust supervisor 3, described main ternary catalyzing unit 2 is mutually permanently connected with exhaust supervisor 3, described exhaust supervisor 3 lower end is provided with first row gas branch pipe 4, second row gas branch pipe 5 and the 3rd exhaust branch pipe 13, described exhaust supervisor 3 lower end successively with described first row gas branch pipe 4, one end of second row gas branch pipe 5 and the 3rd exhaust branch pipe 13 is mutually permanently connected, described first row gas branch pipe 4 is provided with the first ternary catalyzing unit 6, described first ternary catalyzing unit 6 is mutually permanently connected with first row gas branch pipe 4, described first ternary catalyzing unit 6 lower end is provided with first throttle pipe 7, described first throttle pipe 7 is provided with the first sound absorber 8, described first sound absorber 8 is mutually permanently connected with first throttle pipe 7, described first row gas branch pipe 4 lower end is provided with the first Heat sink 10, described first Heat sink 10 lower end is provided with the first outlet pipe 11, described first outlet pipe 11 is mutually permanently connected with described first row gas branch pipe 4, described second row gas branch pipe 5 is provided with the second ternary catalyzing unit 14, described second ternary catalyzing unit 14 is mutually permanently connected with second row gas branch pipe 5, described second ternary catalyzing unit 14 lower end is provided with the second throttle pipe 16, described second throttle pipe 16 is provided with the second sound absorber 17, described second sound absorber 17 and the second throttle pipe 16 are mutually permanently connected, described second row gas branch pipe 5 lower end is provided with the second Heat sink 18, described second Heat sink 18 lower end is provided with the second outlet pipe 19, described second outlet pipe 19 is mutually permanently connected with described second row gas branch pipe 5, described 3rd exhaust branch pipe 13 is provided with the 3rd ternary catalyzing unit 15, described 3rd ternary catalyzing unit 15 and the 3rd exhaust branch pipe 13 are mutually permanently connected, described 3rd ternary catalyzing unit 15 lower end is provided with the 3rd throttle pipe 20, described 3rd throttle pipe 20 is provided with the 3rd sound absorber 21, described 3rd sound absorber 21 and the 3rd throttle pipe 20 are mutually permanently connected, described 3rd exhaust branch pipe 13 lower end is provided with the 3rd Heat sink 22, described 3rd Heat sink 22 lower end is provided with the 3rd outlet pipe 9, described 3rd outlet pipe 9 is mutually permanently connected with described 3rd exhaust branch pipe 13.Working method: the air-flow in suction tude of the present invention flows into exhaust supervisor, air-flow is transferred to three exhaust branch pipes by exhaust supervisor again, under the effect of shunting catch, can effectively the uniform stream in exhaust supervisor be diverted in three exhaust branch pipes, three exhaust branch pipes effectively multiple exhaust can be responsible for the air-flow of 1, avoid the concentrated discharge of exhaust gas flow, air-flow is by set main ternary catalyzing unit and the first ternary catalyzing unit, second ternary catalyzing unit and the 3rd ternary catalyzing unit, can by the CO in air-flow, the harmful gases such as HC and NOx change harmless carbon dioxide into by oxidation and reduction, water and nitrogen, discharged by three exhaust branch pipes, be provided with sound absorber and throttle pipe, the flame in exhaust sound and elimination waste gas and Mars can be reduced, waste gas is discharged safely, by the Heat sink arranged, the effect of heat radiation can be reached.The present invention has the advantage that structure is simple, reduction exhaust noise, thermal diffusivity are good and easy for installation.
Above embodiment, only in order to technological scheme of the present invention to be described, can not limit scope of the present invention with this; To the amendment that the technological scheme described in foregoing embodiments is carried out, or to the equivalent replacement that wherein portion of techniques feature is carried out, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme, all should still remain within the scope of the patent.
Claims (4)
1. an automobile exhaust pipe, comprise: suction tude, main ternary catalyzing unit, exhaust supervisor, first row gas branch pipe, second row gas branch pipe, first ternary catalyzing unit, first throttle pipe, first sound absorber, 3rd outlet pipe, first Heat sink, first outlet pipe, shunting catch, 3rd exhaust branch pipe, second ternary catalyzing unit, 3rd ternary catalyzing unit, second throttle pipe, second sound absorber, second Heat sink, second outlet pipe, 3rd throttle pipe, 3rd sound absorber and the 3rd Heat sink, it is characterized in that: described suction tude lower end is provided with main ternary catalyzing unit, described suction tude and main ternary catalyzing unit are interconnected, described main ternary catalyzing unit lower end is provided with exhaust supervisor, described main ternary catalyzing unit is mutually permanently connected with exhaust supervisor, described exhaust supervisor lower end is provided with first row gas branch pipe, second row gas branch pipe and the 3rd exhaust branch pipe, described exhaust supervisor lower end successively with described first row gas branch pipe, one end of second row gas branch pipe and the 3rd exhaust branch pipe is mutually permanently connected, described first row gas branch pipe is provided with the first ternary catalyzing unit, described first ternary catalyzing unit and first row gas branch pipe are mutually permanently connected, described first ternary catalyzing unit lower end is provided with first throttle pipe, described first throttle pipe is provided with the first sound absorber, described first sound absorber and first throttle pipe are mutually permanently connected, described first row gas branch pipe lower end is provided with the first Heat sink, described first Heat sink lower end is provided with the first outlet pipe, described first outlet pipe and described first row gas branch pipe are mutually permanently connected, described second row gas branch pipe is provided with the second ternary catalyzing unit, described second ternary catalyzing unit and second row gas branch pipe are mutually permanently connected, described second ternary catalyzing unit lower end is provided with the second throttle pipe, described second throttle pipe is provided with the second sound absorber, described second sound absorber and the second throttle pipe are mutually permanently connected, described second row gas branch pipe lower end is provided with the second Heat sink, described second Heat sink lower end is provided with the second outlet pipe, described second outlet pipe and described second row gas branch pipe are mutually permanently connected, described 3rd exhaust branch pipe is provided with the 3rd ternary catalyzing unit, described 3rd ternary catalyzing unit and the 3rd exhaust branch pipe are mutually permanently connected, described 3rd ternary catalyzing unit lower end is provided with the 3rd throttle pipe, described 3rd throttle pipe is provided with the 3rd sound absorber, described 3rd sound absorber and the 3rd throttle pipe are mutually permanently connected, described 3rd exhaust branch pipe lower end is provided with the 3rd Heat sink, described 3rd Heat sink lower end is provided with the 3rd outlet pipe, described 3rd outlet pipe and described 3rd exhaust branch pipe are mutually permanently connected.
2. according to a kind of automobile exhaust pipe described in claim 1, it is characterized in that: in described main exhaust, be provided with shunting catch.
3. according to a kind of automobile exhaust pipe described in claim 1, it is characterized in that: the material of described first Heat sink, the second Heat sink and the 3rd Heat sink is aluminum alloy.
4. according to a kind of automobile exhaust pipe described in claim 1, it is characterized in that: the material of described first outlet pipe, the second outlet pipe and the 3rd outlet pipe is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510469186.XA CN105019994A (en) | 2015-08-03 | 2015-08-03 | Automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510469186.XA CN105019994A (en) | 2015-08-03 | 2015-08-03 | Automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105019994A true CN105019994A (en) | 2015-11-04 |
Family
ID=54410231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510469186.XA Pending CN105019994A (en) | 2015-08-03 | 2015-08-03 | Automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105019994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697117A (en) * | 2016-01-27 | 2016-06-22 | 重庆长安汽车股份有限公司 | Double-exhaust-pipeline system for automobile |
| CN106246314A (en) * | 2016-09-27 | 2016-12-21 | 天津市神驰汽车零部件有限公司 | A kind of noise elimination automobile exhaust pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678247A (en) * | 2012-01-04 | 2012-09-19 | 河南科技大学 | Automobile exhaust pipe |
| CN103256111A (en) * | 2013-05-02 | 2013-08-21 | 台州赛博汽车设计有限公司 | Automobile exhaust pipe |
| CN104074588A (en) * | 2014-06-24 | 2014-10-01 | 梁淑慧 | Automotive exhaust pipe |
| CN104632338A (en) * | 2014-12-19 | 2015-05-20 | 桂林新艺制冷设备有限责任公司 | Automobile exhaust pipe |
| CN204941679U (en) * | 2015-08-03 | 2016-01-06 | 天津市神驰汽车零部件有限公司 | A kind of automobile exhaust pipe |
-
2015
- 2015-08-03 CN CN201510469186.XA patent/CN105019994A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678247A (en) * | 2012-01-04 | 2012-09-19 | 河南科技大学 | Automobile exhaust pipe |
| CN103256111A (en) * | 2013-05-02 | 2013-08-21 | 台州赛博汽车设计有限公司 | Automobile exhaust pipe |
| CN104074588A (en) * | 2014-06-24 | 2014-10-01 | 梁淑慧 | Automotive exhaust pipe |
| CN104632338A (en) * | 2014-12-19 | 2015-05-20 | 桂林新艺制冷设备有限责任公司 | Automobile exhaust pipe |
| CN204941679U (en) * | 2015-08-03 | 2016-01-06 | 天津市神驰汽车零部件有限公司 | A kind of automobile exhaust pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697117A (en) * | 2016-01-27 | 2016-06-22 | 重庆长安汽车股份有限公司 | Double-exhaust-pipeline system for automobile |
| CN106246314A (en) * | 2016-09-27 | 2016-12-21 | 天津市神驰汽车零部件有限公司 | A kind of noise elimination automobile exhaust pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103256111A (en) | Automobile exhaust pipe | |
| JP2011528088A (en) | SCR system with bypass system | |
| CN104074588A (en) | Automotive exhaust pipe | |
| CN204941679U (en) | A kind of automobile exhaust pipe | |
| CN104454104A (en) | Exhaust pipe for automobile | |
| CN105019994A (en) | Automobile exhaust pipe | |
| CN105019993A (en) | Silencing exhaust pipe of automobile | |
| KR100949383B1 (en) | Scr system | |
| CN105626220A (en) | Automobile vent pipe with super-strong sound-muffling function | |
| CN205370687U (en) | SCR silencer assembly | |
| CN201650427U (en) | Gasoline generating set silencing device | |
| CN204552907U (en) | A kind of heavy-duty car vent systems | |
| CN205349490U (en) | High -efficient amortization vehicle vent -pipe | |
| CN104989497A (en) | Efficient filtration neutralization buffering system | |
| CN203035318U (en) | Engine noise-reduction catalyst | |
| CN210264877U (en) | Automobile exhaust emission pipe capable of purifying smoke | |
| CN206608224U (en) | The throttling heat sink of gas extraction system | |
| CN203685362U (en) | Exhaust and heat radiating device | |
| CN201070972Y (en) | Air filter overhead type city carriage | |
| CN204755038U (en) | Vehicle exhaustor | |
| CN112360606A (en) | Automobile exhaust pipeline system with noise reduction and tail gas purification functions | |
| CN212225361U (en) | Silencer and motorcycle comprising same | |
| CN101183815A (en) | Exhaust silencing system for static generator set | |
| CN221322520U (en) | Efficient noise-reduction modularized exhaust pipe device for diesel engine | |
| CN205298084U (en) | High -efficient swift exhaust muffler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151104 |