CN105019994A - Automobile exhaust pipe - Google Patents

Automobile exhaust pipe Download PDF

Info

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
Application number
CN201510469186.XA
Other languages
Chinese (zh)
Inventor
肖建民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Shen Chi Auto Parts And Components Co Ltd
Original Assignee
Tianjin Shen Chi Auto Parts And Components Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Shen Chi Auto Parts And Components Co Ltd filed Critical Tianjin Shen Chi Auto Parts And Components Co Ltd
Priority to CN201510469186.XA priority Critical patent/CN105019994A/en
Publication of CN105019994A publication Critical patent/CN105019994A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air 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

A kind of automobile exhaust pipe
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.
CN201510469186.XA 2015-08-03 2015-08-03 Automobile exhaust pipe Pending CN105019994A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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
CN108889122A (en) A kind of gas internal-combustion engine smoke evacuation denitration sound-attenuating system
CN203239431U (en) Novel automobile silencer
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

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