CN209586555U - Air cleaner and vehicle - Google Patents
Air cleaner and vehicle Download PDFInfo
- Publication number
- CN209586555U CN209586555U CN201920148273.9U CN201920148273U CN209586555U CN 209586555 U CN209586555 U CN 209586555U CN 201920148273 U CN201920148273 U CN 201920148273U CN 209586555 U CN209586555 U CN 209586555U
- Authority
- CN
- China
- Prior art keywords
- air cleaner
- lower case
- upper housing
- shell
- chamber
- 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.)
- Active
Links
Abstract
This disclosure relates to a kind of air cleaner and vehicle, the air cleaner includes shell, filter core and hydrocarbon adsorbent equipment, air inlet and air outlet are formed on the shell, the second chamber that the filter core is arranged in the shell and the inner space of the shell is separated into the first chamber being connected to the air inlet and is connected to the gas outlet, the hydrocarbon adsorbent equipment are arranged in the second chamber.By integrating hydrocarbon adsorbent equipment in air cleaner, hydrocarbon particle can effectively be adsorbed, the hydrocarbon particulate emission for preventing engine to be discharged pollutes atmosphere into atmosphere；When engine start, the hydrocarbon particle that charge air flow can adsorb hydrocarbon adsorbent equipment, which is taken back in engine, to burn, and achievees the purpose that saving fuel oil and environmental protection.
Description
Technical field
This disclosure relates to technical field of vehicle, and in particular, to a kind of air cleaner and vehicle.
Background technique
Disclose that " a kind of air filter with silencing means is total application No. is 201620660104 Chinese utility model patent
At ", structure includes the air filter shell that lower case and upper housing snap together composition, is disposed with filter inside the lower case
Core assembly, the filter core assembly are arranged in lower case inside left, are connected with air inlet flow guide pipe on the left side wall of lower case；In
Muffler ASSY is provided in air filter shell, the muffler ASSY includes that the right side of the space of air filter enclosure interior is surrounded
Closing chamber, and be arranged in the noise elimination inner tube on the right side of lower case back, be provided with outside noise elimination inner tube at least two perpendicular to
Closing chamber is divided at least three resonant cavities by noise elimination outer wall of inner tube and spaced apart partition, the partition, in noise elimination inner tube
Noise elimination through-hole is set on tube wall for being connected to noise elimination inner tube and resonant cavity.
The air cleaner silencing means connecting tube of this form is cooperated by welding form and air filter lower case, and structure is multiple
It is miscellaneous, dismounting trouble, higher cost, thereby increases and it is possible to there are problems that causing due to welded gaps gas leakage sound and silencing means connecting tube with every
Sheet separation problem causes the risk of collision abnormal sound.In addition this air cleaner cartridge cannot penetrate through entire air filter upper-lower casing peace
Dress face, filter element filtering area is smaller, causes filter core to store up grey function poor.Moreover this air cleaner cannot utilize a dress
Set while solving the structural design scheme of noise reduction Yu emission reduction function.
It discloses application No. is 201711477202.5 Chinese invention patent " a kind of composite air filter and vehicle ",
Air cleaner include: upper housing, lower case, filter core, porous plate, adsorption layer, acoustical cotton and sealing sponge, the upper housing with
The lower case is fixedly connected to form a closed chamber, and the filter core is set in the closed chamber, and the porous plate is set
It is placed at the top of the upper housing, to form silencing cavity between the porous plate and the upper housing roof, the adsorption layer is set
It is placed in the silencing cavity, several partitions is provided in the silencing cavity, the silencing cavity is separated into six by several partitions
A independent silence space of different sizes, the adsorption layer are located in the middle part of the silencing cavity, and the two sides of the adsorption layer are respectively set
Acoustical cotton described in the silence space is fixedly installed on the porous plate upper surface there are three setting, and the sealing sponge is set to institute
It states between adsorption layer and the acoustical cotton.
The air cleaner of this form can just play good disappear by the double action of multi-hole resonant cavity and acoustical cotton
Audio fruit.In addition adsorption layer is arranged among cavity, and the matching area effect noise elimination cavity of adsorption layer divides chamber volume to influence
Silencing function.
Also, the air filter in above-mentioned two patent can not effectively adsorb hydrocarbon particle, and then make carbon
Hydrogen particulate emission pollutes atmosphere into atmosphere.
Utility model content
Purpose of this disclosure is to provide a kind of air cleaner, hydrocarbon adsorbent equipment, energy are provided in the air cleaner
It is enough that hydrocarbon particle is effectively adsorbed.
To achieve the goals above, the disclosure provides a kind of air cleaner, and the air cleaner includes shell, filter core
And hydrocarbon adsorbent equipment, be formed with air inlet and air outlet on the shell, the filter core be arranged in the shell and
Second that the inner space of the shell is separated into the first chamber being connected to the air inlet and is connected to the gas outlet
Chamber, the hydrocarbon adsorbent equipment are arranged in the second chamber.
Optionally, the hydrocarbon adsorbent equipment is carbon paper absorber.
Optionally, the air cleaner further includes silencing means, and the silencing means is arranged in the second chamber.
Optionally, the silencing means is resonance device, and the resonance device is integrated moulding, and including cover plate,
Main channel and multiple partitions, the cover plate installation limit silencing cavity on the housing and with the inner wall of the shell jointly,
Gas access is formed on the cover plate, the main channel is located in the silencing cavity, and one end of the main channel extends to institute
Gas access is stated, the other end is connected with the gas outlet of the air cleaner, and it is logical that the multiple partition is formed in the master
Multiple resonant chambers are separated on the outer wall in road and by the silencing cavity, multiple connection resonance are provided on the main channel
The through-hole of room and the main channel.
Optionally, the volume of the resonant chamber is different.
Optionally, the shell includes upper housing and lower case, and the upper housing and the lower case pass through fastener phase
Even, the air inlet is set on the lower case, and the gas outlet is arranged on the upper housing, the hydrocarbon adsorbent equipment
It is fixed on the silencing means on the inner wall of the upper housing.
Optionally, step is formed on the periphery of the lower case, the filter core is placed on the step, the upper casing
Sealant is provided between the periphery of body and the periphery of the filter core.
Optionally, the inner and outer wall of the upper housing has been respectively formed on upper housing ribs, the bottom of the lower case
Lower case ribs and guiding gutter are formed on inside, the bottom of the lower case is provided with drainage hole, and the drainage hole is located at
On the guiding gutter, through-flow gap is formed on the lower case ribs.
Optionally, the bottom of the lower case is provided with multiple mounting holes, and rubber bushing, institute are equipped on each mounting hole
It states and is provided with metal sleeve in rubber bushing.
The disclosure also provides a kind of vehicle, including above-mentioned air cleaner.
The disclosure the utility model has the advantages that
By integrating hydrocarbon adsorbent equipment in air cleaner, hydrocarbon particle can effectively be adsorbed, be prevented
The hydrocarbon particulate emission of engine discharge pollutes atmosphere into atmosphere；When engine start, charge air flow can will be hydrocarbon
The hydrocarbon particle of adsorbent equipment absorption, which is taken back in engine, to burn, and achievees the purpose that saving fuel oil and environmental protection.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the air cleaner of an embodiment of the present disclosure；
Fig. 2 is the explosive view of the air cleaner of an embodiment of the present disclosure；
Fig. 3 is the cross-sectional view of the air cleaner of an embodiment of the present disclosure；
Fig. 4 is the partial enlarged view at the B of Fig. 3；
Fig. 5 is upper housing, silencing means and hydrocarbon the absorption dress of the air cleaner of an embodiment of the present disclosure
The explosive view set；
Fig. 6 is the upper housing, silencing means and hydrocarbon adsorbent equipment of the air cleaner of an embodiment of the present disclosure
Structural schematic diagram, wherein at A be partial sectional view；
Fig. 7 is the lower case of the air cleaner of an embodiment of the present disclosure and the cross-sectional view of filter core；
Fig. 8 is the structural schematic diagram of the lower case of the air cleaner of an embodiment of the present disclosure；
Fig. 9 is the top view of the filter core of the air cleaner of an embodiment of the present disclosure.
Description of symbols
2 filter core, 101 installation point
3 hydrocarbon 4 first chambers of adsorbent equipment
5 second chamber, 11 air inlet
12 gas outlet, 6 silencing means
61 cover plate, 62 main channel
63 partition, 611 gas access
621 through-hole, 13 upper housing
14 lower case, 141 step
131 upper housing ribs, 142 lower case ribs
143 guiding gutter, 144 drainage hole
145 through-flow 146 mounting holes of gap
147 rubber bushing, 148 metal sleeve
121 clamping portion, 10 fastener
102 silencing cavity, 140 sidewall reinforcing rib
100 sealants
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As shown in Figures 1 to 9, the disclosure provides a kind of air cleaner, which may include shell, filter core
2 and hydrocarbon adsorbent equipment 3, it could be formed with air inlet 11 and gas outlet 12 on shell, air inlet 11 can be with admission line
It is (not shown) be connected be filtered with admitting air into air cleaner, could be formed on gas outlet 12 clamping portion 121 with
One end of outlet pipe (not shown) is fixedly connected, and the other end of outlet pipe can be attached so that by empty with engine
Air cleaner filtered air enter in engine carry out using.Filter core 2 can be set in shell and by the inside of shell
Space is separated into the first chamber 4 being connected to air inlet 11 and the second chamber being connected to gas outlet 12 5, hydrocarbon adsorbent equipment 3
It is arranged in second chamber 5.When vehicle motor stops working, the hydrocarbon particle of the unburned burning-out of engine interior can be along above-mentioned
Air-out hose enter in air cleaner, and then from air inlet 11 escape, cause the pollution to atmosphere.And in the second chamber
The hydrocarbon adsorbent equipment 3 being arranged in room 5 can adsorb the hydrocarbon particle of above-mentioned unburned burning-out, when automobile engine be again started up with
Afterwards, the hydrocarbon particle being adsorbed on hydrocarbon adsorbent equipment 3 can be taken back in engine and adequately be burnt by the air-flow of air inlet, reach
To the purpose of saving fuel oil and environmental protection.
As an alternative embodiment, above-mentioned hydrocarbon adsorbent equipment 3 can be carbon paper absorber, it can also be selected
His device that can adsorb hydrocarbon particle, the disclosure are without limitation.
Specifically, as shown in Fig. 2, the air cleaner can also include silencing means 6, which be can be set
In second chamber 5, play the role of noise reduction noise abatement, further, which can be resonance device, erasure effect
It is obvious and low in cost.In addition, above-mentioned silencing means 6 and hydrocarbon adsorbent equipment 3 is integrated in shell, it is both not take up external sky
Between, so that Arrangement of Engine-room is more reasonable, while reducing the quantity of components and fastener, so that entire air cleaner meets gently
The requirement of Quantitative design.
More specifically, as shown in figures 2 and 5, which can be integrated moulding, simple process and at low cost
It is honest and clean, and the resonance device may include cover plate 61, main channel 62 and multiple partitions 63, and cover plate 61 and the inner wall of shell can limit
Silencing cavity 102 is made, could be formed with gas access 611 on cover plate 61, main channel 62 is located in the silencing cavity 102, main channel
62 one end extends to gas access 611, enters main channel 62 by the gas access 611 through the filtered air of filtration core 2
Interior progress sound-deadening and noise-reducing processing, the other end are connected with the gas outlet 12 of air cleaner, and gas outlet 12 is connected with engine, so that
By sound-deadening and noise-reducing handle air enter in engine carry out using.Partition 63 can be formed on the outer wall of main channel 62,
And multiple partition 63 can be mutually perpendicular to the outer wall of main channel 62 and above-mentioned silencing cavity 102 is separated into multiple resonance
Room, is provided with the through-holes 621 of multiple connection resonant chambers and main channel 62 on main channel 62, and the aperture of multiple through-hole 621 can be with
For 6-10mm, air, which passes through main channel 62 and enters via multiple through-hole 621, carries out sound-deadening and noise-reducing processing in resonant chamber.
Further, the volume of above-mentioned each resonant chamber can be different, and each resonant chamber is for cutting down particular centre frequency
Noise, the design frequency range of the silencing means 6 is 500-2000Hz, so that frequency range is lost in the transmitting of silencing means 6
It is wider.When the noise that booster generates is transferred to above-mentioned main channel 62 by admission line, acoustic impedance changes, and one
Sound wave is divided to reflect back, another part is entered in each resonant chamber by the through-hole 621 on main channel 62, and energy is attenuated
Fall, so that noise is significantly reduced.The silencing means 6 can be set in second chamber 5, due to the gas in second chamber 5
The filtering of filter core 2 is had already been through, therefore dust can be effectively prevented or sundries blocks above-mentioned through-hole 621, noise reduction is avoided to imitate
Fruit is undesirable, and noise is caused to become larger.
As an alternative embodiment, as depicted in figs. 1 and 2, shell may include upper housing 13 and lower case 14,
Shooting Technique integrated molding, simple process and low cost can be respectively adopted in upper housing 13 and lower case 14.Upper housing 13 and lower casing
Body 14 can be connected by fastener 10, specifically, can be solid by multiple tapping screws between upper housing 13 and lower case 14
Surely it links together.It could be formed with multiple installation points 101, multiple installation on 14 upper end of 13 lower end of upper housing and lower case
Point 101 can be distributed the corner that upper housing 13 and lower case 14 is arranged in and middle position, and then improve air-filtering
The mode of device, and the corner that can be effectively prevented from air cleaner deforms, and improves structural strength.The choosing of fastener 10
With above-mentioned tapping screw is not limited in, other fasteners can also be selected to be attached, the disclosure is without limitation.
Air inlet 11 can be set in lower case 14, and gas outlet 12 can be set on upper housing 13, hydrocarbon absorption dress
Set 3 and silencing means 6 can be fixed on the inner wall of upper housing 13.Specifically, from the foregoing, it will be observed that hydrocarbon adsorbent equipment 3 can be
Carbon paper absorber, the main air-flow which can be welded on 13 inner top wall of upper housing by way of spot welding are logical
At road, and the carbon paper absorber influences smaller, the gas flow of entire air cleaner to the intake resistance of air cleaner
Smooth, intake resistance is small and then effectively improves the dynamic property of engine.Hydrocarbon adsorbent equipment 3 is mounted on inside upper housing 13 and pushes up
At the main airflow channel of wall, by the hydrocarbon particle of adsorption, while it being also convenient for the hydrocarbon particle desorption of absorption.
And silencing means 6 can seal the inside for being fixed on upper housing 13 by way of being clamped and inducing weldering solder bond
On roof, play the role of sound-deadening and noise-reducing.
Further, as shown in Figures 5 to 9, it could be formed with step 141 on the periphery of lower case 14, filter core 2 can be put
It sets on step 141, sealant 100 is provided between the periphery of upper housing 13 and the periphery of filter core 2 to guarantee 13 He of upper housing
Sealing between lower case 14.
As an alternative embodiment, as depicted in figs. 1 and 2, the inner and outer wall of upper housing 13 has been respectively formed on
Upper housing ribs 131 and the mode and intensity for improving the air cleaner, higher mode are both avoided that air cleaner
Deformation, while can reduce air cleaner radiated noise and car noise, and then improve vehicle usage comfort
And the service life of air cleaner.
In addition, could be formed with lower case ribs 142 in the bottom inside of lower case 14 as shown in Fig. 6, Fig. 7 and Fig. 8
With guiding gutter 143, sidewall reinforcing rib 140 could be formed on the lateral wall of lower case 14, a plurality of ribs 142 and a plurality of lead
Sink 143 is arranged in the interior bottom wall of lower case 14 in a crisscross manner, plays the work of the mode and intensity that improve air cleaner
With avoiding that the effect of noise can also be reduced while deformation.Guiding gutter 143 play in air cleaner waste water and dust lead
To effect, the bottom of lower case 14 is also provided with drainage hole 144, and drainage hole 144 is located on guiding gutter 143, so that useless
Waste water is oriented at drainage hole 144 by water and dust under the guiding role of guiding gutter 143, and then air cleaner is discharged.Lower casing
Body ribs 142 is formed with through-flow gap 145 with the position that guiding gutter 143 intersects so that waste water can smoothly flow therein it is above-mentioned
Drainage hole 144.
As shown in Figure 7 and Figure 8, the bottom of lower case 14 can be set multiple mounting holes 146, on each mounting hole 146
Rubber bushing 147 can be installed and then guarantee installation leakproofness and reduce vibration, be provided with metallic sheath in rubber bushing 147
Multiple bolts, can be by being arranged in above-mentioned metal sleeve 148, so that air cleaner is fixed on air by pipe 148
On cleaner brackets (not shown), dismounting is simple, easy to operate.
The disclosure also provides a kind of vehicle, which includes above-mentioned air cleaner.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of air cleaner, which is characterized in that the air cleaner includes shell, filter core (2) and hydrocarbon absorption dress
Set (3), be formed with air inlet (11) and gas outlet (12) on the shell, the filter core (2) be arranged in the shell and
The inner space of the shell is separated into the first chamber (4) being connected to the air inlet (11) and with the gas outlet (12)
The second chamber (5) of connection, hydrocarbon adsorbent equipment (3) setting is in the second chamber (5).
2. air cleaner according to claim 1, which is characterized in that the hydrocarbon adsorbent equipment (3) is carbon paper absorption
Device.
3. air cleaner according to claim 1, which is characterized in that the air cleaner further includes silencing means
(6), silencing means (6) setting is in the second chamber (5).
4. air cleaner according to claim 3, which is characterized in that the silencing means (6) is resonance device, described
Resonance device is integrated moulding, and including cover plate (61), main channel (62) and multiple partitions (63), cover plate (61) peace
Dress limits silencing cavity (102) jointly on the housing and with the inner wall of the shell, is formed with gas on the cover plate (61)
Body entrance (611), the main channel (62) are located in the silencing cavity (102), and one end of the main channel (62) extends to institute
It states gas access (611), the other end is connected with the gas outlet (12) of the air cleaner, the multiple partition (63) shape
Multiple resonant chambers, the main channel are separated on the outer wall of the main channel (62) and by the silencing cavity (102)
(62) through-hole (621) of multiple the connection resonant chambers and the main channel (62) is provided on.
5. air cleaner according to claim 4, which is characterized in that the volume of the resonant chamber is different.
6. air cleaner according to claim 3, which is characterized in that the shell includes upper housing (13) and lower case
(14), the upper housing (13) is connected with the lower case (14) by fastener (10), and the air inlet (11) is arranged in institute
It states on lower case (14), the gas outlet (12) is arranged on the upper housing (13), the hydrocarbon adsorbent equipment (3) and described
Silencing means (6) is fixed on the inner wall of the upper housing (13).
7. air cleaner according to claim 6, which is characterized in that be formed with platform on the periphery of the lower case (14)
Rank (141), the filter core (2) are placed on the step (141), the periphery of the upper housing (13) and the filter core (2)
Sealant (100) are provided between periphery.
8. air cleaner according to claim 6, which is characterized in that on the inner and outer wall of the upper housing (13)
It is formed with upper housing ribs (131), lower case ribs (142) is formed in the bottom inside of the lower case (14) and leads
The bottom of sink (143), the lower case (14) is provided with drainage hole (144), and the drainage hole (144) is located at the guiding gutter
(143) on, through-flow gap (145) are formed on the lower case ribs (142).
9. air cleaner according to claim 6, which is characterized in that the bottom of the lower case (14) is provided with multiple
Mounting hole (146) is equipped with rubber bushing (147) on each mounting hole (146), is provided with gold in the rubber bushing (147)
Belong to casing (148).
10. a kind of vehicle, which is characterized in that including air cleaner described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148273.9U CN209586555U (en) | 2019-01-25 | 2019-01-25 | Air cleaner and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148273.9U CN209586555U (en) | 2019-01-25 | 2019-01-25 | Air cleaner and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586555U true CN209586555U (en) | 2019-11-05 |
Family
ID=68381136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920148273.9U Active CN209586555U (en) | 2019-01-25 | 2019-01-25 | Air cleaner and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520261A (en) * | 2020-04-14 | 2020-08-11 | 东风汽车集团有限公司 | Air filter and carbon tank integrated device and using method thereof |
| CN111841132A (en) * | 2020-07-04 | 2020-10-30 | 怀宁县群力汽车配件有限公司 | Filter shell convenient to dismouting |
| CN112282990A (en) * | 2020-11-17 | 2021-01-29 | 奇瑞商用车（安徽）有限公司 | Automobile air filter structure |
-
2019
- 2019-01-25 CN CN201920148273.9U patent/CN209586555U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520261A (en) * | 2020-04-14 | 2020-08-11 | 东风汽车集团有限公司 | Air filter and carbon tank integrated device and using method thereof |
| CN111520261B (en) * | 2020-04-14 | 2021-07-23 | 东风汽车集团有限公司 | Air filter and carbon tank integrated device and using method thereof |
| CN111841132A (en) * | 2020-07-04 | 2020-10-30 | 怀宁县群力汽车配件有限公司 | Filter shell convenient to dismouting |
| CN112282990A (en) * | 2020-11-17 | 2021-01-29 | 奇瑞商用车（安徽）有限公司 | Automobile air filter structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209586555U (en) | Air cleaner and vehicle | |
| CN1279868C (en) | Dust-collector noise silencer | |
| CN101480934B (en) | Low-noise vehicle-mounted power station | |
| CN207377636U (en) | A kind of high-efficiency environment friendly automotive muffler | |
| KR20130060839A (en) | Muffler for vehicles in order to perform sporty booming sound | |
| CN201412209Y (en) | Automobile muffler | |
| CN106321193A (en) | Rear silencer of sedan | |
| CN112096483B (en) | Multilayer silencer assembly | |
| CN212154918U (en) | Exhaust pipe silencer | |
| CN106089512A (en) | A kind of air filter for automobile | |
| CN212958807U (en) | Silencer structure for preventing inner assembly corrosion caused by accumulated water in silencer | |
| CN112282990A (en) | Automobile air filter structure | |
| CN204984666U (en) | Engine air intake system outlet duct subassembly | |
| CN106285874A (en) | A kind of compound muffler for vehicle | |
| CN212454583U (en) | Pickup exhaust muffler capable of saving space | |
| KR101237931B1 (en) | Muffler for vehicles in order to perform sporty booming sound | |
| CN205001039U (en) | Automobile silencer | |
| CN213807894U (en) | Novel automobile air filter structure | |
| CN201193553Y (en) | Liquid type sound attenuation and smoke abatement integral machine | |
| CN207538897U (en) | A kind of automobile sound absorber assembly for preventing noise radiation | |
| CN114622975A (en) | Titanium automobile exhaust funnel | |
| CN201047300Y (en) | Composite multilevel noise deadener | |
| CN203035309U (en) | Gasoline engine muffler | |
| CN205559037U (en) | A kuppe for silencer | |
| CN215719032U (en) | Exhaust pipe silencer and exhaust system assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |