CN105508004B - A kind of automobile exhaust pipe easy to clean - Google Patents
A kind of automobile exhaust pipe easy to clean Download PDFInfo
- Publication number
- CN105508004B CN105508004B CN201510883374.7A CN201510883374A CN105508004B CN 105508004 B CN105508004 B CN 105508004B CN 201510883374 A CN201510883374 A CN 201510883374A CN 105508004 B CN105508004 B CN 105508004B
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- Prior art keywords
- tube body
- layer
- exhaust pipe
- vented
- exhaust
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
- F01N2470/10—Tubes having non-circular cross section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2510/00—Surface coverings
- F01N2510/08—Surface coverings for corrosion prevention
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2510/00—Surface coverings
- F01N2510/14—Surface coverings for dehydrating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of automobile exhaust pipes easy to clean, it includes：It is vented tube body, silencing cotton, arcwall face, leakage hole, mounting hole and noise elimination portion, one end of the exhaust tube body is conical surface ontology, conical surface ontology is equipped with mounting hole, the other end for being vented tube body is air exit, it is noise elimination portion to be vented the turning among tube body, it is vented in tube body and is equipped with arcwall face, the middle of two neighboring arcwall face above exhaust pipe body interior is equipped with silencing cotton, the middle of two neighboring arcwall face below exhaust pipe body interior is equipped with leakage hole, the structure of the exhaust pipe is simple, it is stable and reliable in work, assembly and disassembly can be facilitated, it is easy to clean.
Description
Technical field
The present invention relates to automotive field, the automobile exhaust with function easy to clean of specifically a kind of automobile exhaust system
Pipe.
Background technology
With the continuous development of China's economy, motor vehicle becomes very universal, and present each family is almost owned by one
Automobile, people not only focus on the appearance of automobile, safety and stability and environmental consciousness to automobile are also extremely seen when selecting automobile
Weight, in recent years, urban motor vehicle increase quickly, and incident traffic noise pollution environmental phenomenon also becomes increasingly conspicuous, automobile
Harm maximum to environmental protection is noise pollution, and investigation shows that motor vehicles noise accounts for the 85.5% of urban traffic noise, with vapour
The development of vehicle energy-saving and emission-reduction, it is desirable that automobile reduces noise, energy saving consumption.And row of the most important noise of automobile from automobile
Gas system, i.e. motor vehicle exhaust emission noise meet the requirement of automobile environment-protection to reduce motor vehicle exhaust emission noise, traditional
Automobile exhaust system realizes noise elimination noise reduction by installing silencer, but acoustic wave filter structure is complicated, and installs also inconvenience.
Meanwhile the motor vehicles such as automobile are when in use, exhaust pipe is the component of the damage that gets rusty easily, and especially those are led
It is more prominent the phenomenon that the automobile of city short distance traveling, exhaust pipe get rusty damage.Through analysis and research, it is found that exhaust pipe most holds
Easily get rusty the major reason of damage, other than the material with exhaust pipe of general understanding is related, another major reason be because
For each running car when, due to just starting to work, whole section of exhaust pipe or temperature are lower, and engine ejects damp and hot
Exhaust gas passes through colder exhaust pipe, and the silencer position that exhaust pipe can be especially in exhaust pipe generates condensed water to the cold.Such as
Fruit running car time long enough, then exhaust pipe slowly heating under the heating of exhaust gas, generated condensed water can be steamed by heating
Hair falls, but if automobile is to do short distance traveling in city, running time terminates to travel and flame-out parking not long, then exhaust pipe is also
Enough temperature are not achieved, generated condensed water is also just evaporated and remains in exhaust pipe especially silencer not yet
In, and water will produce acid after being combined with gases such as sulfur dioxide, nitrogen dioxide in automobile exhaust gas, corroding exhaust pipe makes it be easy
It gets rusty damage, and the automobile tail gas pipe after getting rusty is not easy to clean, damages beauty.
Invention content
Goal of the invention：In order to solve the deficiencies in the prior art, present invention offer is a kind of simple in structure, stable and reliable in work,
Assembly and disassembly, automobile exhaust pipe easy to clean can be facilitated.
Technical solution：In order to achieve the goal above, a kind of automobile exhaust pipe easy to clean of the present invention, it includes：
It is vented tube body, silencing cotton, arcwall face, leakage hole, mounting hole and noise elimination portion, one end of the exhaust tube body is conical surface sheet
Body, conical surface ontology are equipped with mounting hole, and the other end for being vented tube body is air exit, are vented the turning among tube body and are
Noise elimination portion, exhaust tube body is interior to be equipped with arcwall face, and the middle of the two neighboring arcwall face above exhaust pipe body interior is equipped with
Silencing cotton, for being adsorbed and being eliminated to noise, can improve device by adding silencing cotton in exhaust pipe body interior
The middle of erasure effect, the two neighboring arcwall face below exhaust pipe body interior is equipped with leakage hole, when running car terminates
When parking, travelled if it is short distance, when condensed water caused by exhaust pipe is fully evaporated and is remained in exhaust pipe not yet,
Condensed water will directly be flowed out from the leakage hole on exhaust pipe, will not be accumulated in exhaust pipe, and the condensation in exhaust pipe is reduced
The acid attack exhaust pipe that water generates after being combined with gases such as sulfur dioxide, nitrogen dioxide in automobile exhaust gas make its get rusty easily by
The case where damage, occurs.
It is equipped with electroplated layer in the inner surface and the outer surface of exhaust tube body, the surface of electroplated layer is equipped with anti oxidation layer, exhaust
The surface of the anti oxidation layer of the outer surface of tube body is equipped with self-cleaning layer.
As present invention further optimization, the anti oxidation layer is to be coated in electroplated layer by anti-oxidant composite dope
Surface obtains, which includes the substance of following mass percentage：Glass powder 50-55%, di-iron trioxide
20-25%, kaolin 10-20%, surplus are neutral water glass.
As present invention further optimization, the self-cleaning layer is organic silicon acrylic coating layer, can be effectively improved
The self-cleaning function and scrubbing resistance function on staving surface.
As present invention further optimization, the thickness of electroplated layer is 500 μm ~ 800 μm, and the thickness of anti oxidation layer is 50 μm
~ 150 μm, the thickness of self-cleaning layer is 80 μm ~ 160 μm.
As present invention further optimization, the exhaust tube body is Z-shaped, and arc is added in exhaust pipe body interior
Shape face, for increases with the contact area of air, increase with the contact area of noise, and by Z-shaped configuration to noise progress
Counteracting is handled.
As present invention further optimization, the inner surface and the outer surface of the exhaust tube body is equipped with electroplated layer, institute
The electroplated layer stated is nickel coating, promotes the resistance to corrosion and abrasive resistance of exhaust tube body, can effectively prevent not from leakage hole
The middle water removed that leaks occurs the case where being vented tube body internal corrosion exhaust pipe.
As present invention further optimization, mounting hole is passed through to be fixed on automobile by tube body is vented by bolt or screw
Exhaust pipe on, one layer of nickel is coated on the bolt or screw, increases the resistance to corrosion and abrasive resistance of bolt, can be effective
It prevents from being often parked in outdoor automobile and is encountering dew or when raining heavyly, the case where bolt is corroded.
Advantageous effect：A kind of automobile exhaust pipe easy to clean of the present invention has following excellent compared with prior art
Point：
1, by adding silencing cotton in exhaust pipe body interior, for being adsorbed and being eliminated to noise, dress can be improved
The erasure effect set；
2, arcwall face is added in exhaust pipe body interior, is connect with noise with the contact area of air, increase for increasing
Contacting surface is accumulated, and carries out counteracting processing to noise by Z-shaped configuration；
3, leakage hole is added in exhaust bottom of the tube, when running car terminates parking, is travelled if it is short distance, exhaust pipe institute
When the condensed water of generation is fully evaporated and remained in exhaust pipe not yet, condensed water will be directly from the leak on exhaust pipe
It flows out, will not be accumulated in exhaust pipe in hole, the sulfur dioxide in condensed water and automobile exhaust gas in reduction exhaust pipe, titanium dioxide
The acid attack exhaust pipe that the gases such as nitrogen generate after combining makes its impaired happens that get rusty easily；
4, by exhaust pipe body interior and external plating last layer nickel, promoting the resistance to corrosion of exhaust tube body and wear-resisting
Ability, it is possible to reduce do not leak the water removed from leakage hole and occur the case where being vented tube body internal corrosion exhaust pipe；
5, last layer nickel is plated by the way that the bolt that tube body is connected with the tracheae on automobile will be vented, increases the energy against corrosion of bolt
Power and abrasive resistance can effectively prevent often being parked in outdoor automobile and encounter dew or when raining heavyly, the feelings that bolt is corroded
Condition occurs；
6, by exhaust pipe body interior and outside nickel layer on add one layer of anti oxidation layer, can effectively prevent not from
The water removed is leaked in leakage hole the case where being vented tube body internal corrosion exhaust pipe to occur；
7, one layer of self-cleaning layer is added by the surface of the anti oxidation layer in exhaust pipe body exterior, ensure that exhaust tube body
The cleannes on surface improve the self-cleaning function and scrubbing resistance function of exhaust pipe body surface.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial view of the present invention；
Reference numeral meaning in figure：1 exhaust tube body, 11 air exits, 2 silencing cottons, 3 arcwall faces, 4 leakage holes, 51
Conical surface ontology, 6 noise elimination portions, 10 electroplated layers, 101 anti oxidation layers, 102 self-cleaning layers.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is furture elucidated.
A kind of automobile exhaust pipe easy to clean as shown in Figure 1, it includes：Exhaust tube body 1, silencing cotton 2, arcwall face 3,
The one end in leakage hole 4, mounting hole 5 and noise elimination portion 6, the exhaust tube body 1 is conical surface ontology 51, and conical surface ontology 51 is equipped with
Mounting hole 5 passes through mounting hole 5 to be fixed on tube body 1 is vented on the exhaust pipe of automobile, is vented tube body by bolt or screw
1 other end is air exit 11, and the turning among exhaust tube body 1 is noise elimination portion 6, and arc is equipped in exhaust tube body 1
Face 3, for increasing and the contact area of air, the contact area of increase and noise, and the exhaust tube body for passing through Z-shaped configuration
1 pair of noise carries out counteracting processing, and the middle for being vented the two neighboring arcwall face 3 of 1 inner upper of tube body is equipped with silencing cotton 2,
For being adsorbed and being eliminated to noise, the erasure effect of device can be improved, is vented the two neighboring of 1 lower inside of tube body
The middle of arcwall face 3 is equipped with leakage hole 4, when running car terminates parking, is travelled if it is short distance, caused by exhaust pipe
When condensed water is fully evaporated and remained in exhaust pipe not yet, condensed water will directly be flowed from the leakage hole on exhaust pipe
Go out, will not be accumulated in exhaust pipe, reduces the gas such as sulfur dioxide, the nitrogen dioxide in the condensed water and automobile exhaust gas in exhaust pipe
The acid attack exhaust pipe that body generates after combining makes its impaired happens that get rusty easily.
Embodiment
When using the present invention, first the inner surface and the outer surface that tube body 1 is vented equipped with the Z-shaped of leakage hole 4 is electroplated
Then the nickel that a layer thickness is 500 μm coats the anti oxidation layer 101 that a layer thickness is 50 μm, antioxygen on the surface of nickel coating 10
It is to be obtained by surface of the anti-oxidant composite dope coated in nickel coating 10 to change layer 101, each substance in the anti-oxidant composite dope
Mass percentage it is as follows：Glass powder 52%, di-iron trioxide 25%, kaolin 15%, surplus are neutral water glass, are finally existed
The surface for being vented the anti oxidation layer 101 of the outer surface of tube body 1 adds the self-cleaning layer 102 that thickness is 80 μm, and self-cleaning layer 102 is to have
Machine silica acrylic acid dope layer can effectively improve the self-cleaning function and scrubbing resistance function on 1 surface of exhaust tube body, carry self-cleaning layer
After 102 exhaust tube body 1 splashes the water stain situation such as muddy water when encountering the rainy day, got wet direct scouring with fabric, Wu Xuyong
Power scouring can scrub.Then silencing cotton 2 and arcwall face 3 are installed additional in exhaust tube body 1, finally uses the spiral shell of electroless nickel layer
Bolt or screw pass through mounting hole 5 to be fixed on tube body 1 is vented on the exhaust pipe of automobile.
Embodiment
When using the present invention, first the inner surface and the outer surface that tube body 1 is vented equipped with the Z-shaped of leakage hole 4 is electroplated
Then the nickel that a layer thickness is 600 μm coats the anti oxidation layer 101 that a layer thickness is 100 μm, antioxygen on the surface of nickel coating 10
It is to be obtained by surface of the anti-oxidant composite dope coated in nickel coating 10 to change layer 101, each substance in the anti-oxidant composite dope
Mass percentage it is as follows：Glass powder 50%, di-iron trioxide 20%, kaolin 12%, surplus are neutral water glass, are finally existed
The surface for being vented the anti oxidation layer 101 of the outer surface of tube body 1 adds the self-cleaning layer 102 that thickness is 120 μm, and self-cleaning layer 102 is
Organic silicon acrylic coating layer can effectively improve the self-cleaning function and scrubbing resistance function on 1 surface of exhaust tube body, with self-cleaning
After the exhaust tube body 1 of layer 102 splashes the water stain situation such as muddy water when encountering the rainy day, got wet direct scouring with fabric, without
Firmly cleaning can scrub.Then silencing cotton 2 and arcwall face 3 are installed additional in exhaust tube body 1, finally uses electroless nickel layer
Bolt or screw pass through mounting hole 5 to be fixed on tube body 1 is vented on the exhaust pipe of automobile.
Embodiment
When using the present invention, first the inner surface and the outer surface that tube body 1 is vented equipped with the Z-shaped of leakage hole 4 is electroplated
Then the nickel that a layer thickness is 800 μm coats the anti oxidation layer 101 that a layer thickness is 150 μm, antioxygen on the surface of nickel coating 10
It is to be obtained by surface of the anti-oxidant composite dope coated in nickel coating 10 to change layer 101, each substance in the anti-oxidant composite dope
Mass percentage it is as follows：Glass powder 52%, di-iron trioxide 25%, kaolin 15%, surplus are neutral water glass, are finally existed
The surface for being vented the anti oxidation layer 101 of the outer surface of tube body 1 adds the self-cleaning layer 102 that thickness is 160 μm, and self-cleaning layer 102 is
Organic silicon acrylic coating layer can effectively improve the self-cleaning function and scrubbing resistance function on 1 surface of exhaust tube body, with self-cleaning
After the exhaust tube body 1 of layer 102 splashes the water stain situation such as muddy water when encountering the rainy day, got wet direct scouring with fabric, without
Firmly cleaning can scrub.Then silencing cotton 2 and arcwall face 3 are installed additional in exhaust tube body 1, finally uses electroless nickel layer
Bolt or screw pass through mounting hole 5 to be fixed on tube body 1 is vented on the exhaust pipe of automobile.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
The equivalent changes or modifications that spirit of the invention is made, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of automobile exhaust pipe easy to clean, which is characterized in that it includes：It is vented tube body（1）, silencing cotton（2）, arcwall face
（3）, leakage hole（4）, mounting hole（5）With noise elimination portion（6）, the exhaust tube body（1）One end be conical surface ontology（51）, cone
Face ontology（51）It is equipped with mounting hole（5）, it is vented tube body（1）The other end be air exit（11）, it is vented tube body（1）In
Between turning be noise elimination portion（6）, it is vented tube body（1）It is interior to be equipped with arcwall face（3）, it is vented tube body（1）The phase of inner upper
Adjacent two arcwall faces（3）Middle be equipped with silencing cotton（2）, it is vented tube body（1）The two neighboring arcwall face of lower inside（3）
Middle be equipped with leakage hole（4）；
The exhaust tube body（1）The inner surface and the outer surface be equipped with electroplated layer（10）, electroplated layer（10）Surface be equipped with it is anti-
Oxide layer（101）, it is vented tube body（1）Outer surface anti oxidation layer（101）Surface be equipped with self-cleaning layer（102）；It is described anti-
Oxide layer（101）To be coated in electroplated layer by anti-oxidant composite dope（10）Surface obtain, the anti-oxidant composite dope packet
Include the substance of following mass percentage：Glass powder 50-55%, di-iron trioxide 20-25%, kaolin 10-20%, during surplus is
Property waterglass；The exhaust tube body（1）For Z-shaped；The electroplated layer（10）For nickel coating；The self-cleaning layer
（102）For organic silicon acrylic coating layer；Mounting hole is passed through by bolt or screw（5）Tube body will be vented（1）It is fixed on vapour
On the exhaust pipe of vehicle；One layer of nickel is coated on the bolt or screw；The electroplated layer（10）Thickness be 500 μm ~ 800 μ
M, anti oxidation layer（101）Thickness be 50 μm ~ 150 μm, self-cleaning layer（102）Thickness be 80 μm ~ 160 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883374.7A CN105508004B (en) | 2015-12-03 | 2015-12-03 | A kind of automobile exhaust pipe easy to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883374.7A CN105508004B (en) | 2015-12-03 | 2015-12-03 | A kind of automobile exhaust pipe easy to clean |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508004A CN105508004A (en) | 2016-04-20 |
| CN105508004B true CN105508004B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510883374.7A Active CN105508004B (en) | 2015-12-03 | 2015-12-03 | A kind of automobile exhaust pipe easy to clean |
Country Status (1)
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| CN (1) | CN105508004B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762073A (en) * | 2016-12-26 | 2017-05-31 | 天津绿林森网络技术有限公司 | A kind of automobile exhaust emission system with damping device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2869949B1 (en) * | 2004-05-05 | 2007-12-14 | Faurecia Sys Echappement | EXHAUST GAS CIRCULATION CONDUIT OF A MOTOR VEHICLE, EXHAUST LINE, AND MANUFACTURING METHOD THEREOF |
| DE112013005155T5 (en) * | 2012-10-26 | 2015-10-22 | E.I. Du Pont De Nemours And Co. | Thermoplastic composite muffler |
| CN103865302A (en) * | 2012-12-17 | 2014-06-18 | 陈果 | Antioxidant composite coating |
| CN203655388U (en) * | 2013-10-28 | 2014-06-18 | 常州市豪鹰车灯厂 | Muffler for motorcycle |
| CN104612800A (en) * | 2013-11-01 | 2015-05-13 | 泰州仕达利恩电子有限公司 | Rust-proof exhaust pipe |
| CN204041186U (en) * | 2014-02-20 | 2014-12-24 | 张立涛 | A kind of automobile exhaust pipe decoration |
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