CN104514605B - For the muffler shell in the exhaust system of vehicle - Google Patents
For the muffler shell in the exhaust system of vehicle Download PDFInfo
- Publication number
- CN104514605B CN104514605B CN201410445958.1A CN201410445958A CN104514605B CN 104514605 B CN104514605 B CN 104514605B CN 201410445958 A CN201410445958 A CN 201410445958A CN 104514605 B CN104514605 B CN 104514605B
- Authority
- CN
- China
- Prior art keywords
- muffler
- metal plate
- muffler shell
- plate
- shell
- 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
- 239000002184 metal Substances 0.000 claims abstract description 101
- 229910052751 metal Inorganic materials 0.000 claims abstract description 101
- 239000000463 material Substances 0.000 claims abstract description 35
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 33
- 239000010935 stainless steel Substances 0.000 claims abstract description 33
- 238000007747 plating Methods 0.000 claims abstract description 17
- 210000003414 Extremities Anatomy 0.000 claims description 29
- 210000003491 Skin Anatomy 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000013987 Colletes Species 0.000 description 1
- 241000937378 Everettia interior Species 0.000 description 1
- 230000002238 attenuated Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Abstract
The present invention relates to the muffler shells in a kind of exhaust system for vehicle.The muffler shell (1) includes interior metal plate (13) and outer metal plate (10).The outer metal plate (10) is arranged to close the interior metal plate (13).The muffler shell further includes the vibroacoustics damping material (14) being clipped between the interior metal plate (13) and the outer metal plate (10).The interior metal plate (13) and the outer metal plate (10) are all the corrugated platings being made of stainless steel, and the thickness of the corrugated plating is in the range of 0.15mm to 0.30mm.The thickness (T) of the vibroacoustics damping material is in the range of 4mm to 8mm and density is in 130kg/m3To 160kg/m3In the range of.
Description
Technical field
The present invention relates to the muffler shell in the exhaust system for vehicle and disappearing including this muffler shell
Sound device.
Background technique
Muffler is well-known components in the exhaust system of vehicle.The exhaust system of vehicle generally includes various parts, all
If manifold, one or more catalysis type air purifiers, multiple pipes or pipeline section and one or more are for damping or declining
The muffler of noise abatement sound.Typically, pipe is for being vented very hot region (close to manifold or catalysis type air purifier)
Or a degree of region (in the region of muffler) transmission exhaust is had cooled down in exhaust.Many engines are come
Say, the diameter of this pipe typically in the range of 35mm (be used for smaller engine) to 70mm (being used for larger engine), but
It is without being limited thereto.On the other hand, the diameter of muffler is more much larger than the diameter of pipe, and the section of muffler is typically at least four times in phase
The section of the pipe of exhaust system is closed, but the section of the pipe of associated discharge system can also be decupled with ten times or two.For many
The representative value of muffler perimeter in automobile can in the range of 400mm to 1000mm, but not limited to this (its perimeter can be very
To more greatly).As a result, when compared to pipe, muffler shell is more significant to the total weight contribution of the component of exhaust system.Another result
It is that, due to the larger cross-section and larger perimeter of muffler shell, muffler shell will be easier to vibration and therefore will radiation
Undesired noise, this is not problem for the pipe with suitable small bore and perimeter.Based on a variety of causes, such as in order to
Fuel consumption is reduced to protect environment, it is desirable that reduce the total weight of vehicle as far as possible.The requirement further relates to the exhaust system of vehicle
Various parts (including muffler).On the other hand, muffler must be corrosion-resistant and must have high-durability to be subjected to
The various mechanical stresses (such as vibration) that muffler is exposed to during operation.
Muffler typically comprises muffler cover, and muffler cover includes muffler shell and two extremity pieces.Two extremity pieces exist
Two ends of muffler shell mechanically connected (such as by using locking joint technique) are to muffler shell, or pass through
Two extremity pieces are soldered to muffler shell.In the inside of muffler cover, arrange many parts, for decay be vented together into
Enter the sound of muffler, so that the level for the sound for leaving muffler together with exhaust is significantly less than into the sound of muffler
It is horizontal.
Muffler with the muffler shell for including single metal plate is known.But in order to meet various requirement,
Especially those discussed above requirement, these single metal plate muffler shells are typically made of the steel of specific type,
And the thickness of plate is at least 0.8mm or more.
It is also known that so-called " double skins " muffler, has the muffler shell including two metal plates, two metal plates
I.e. interior metal plate and outer metal plate.The different type of these " double skins " mufflers is well known.
" double skins " muffler of first known type includes interior metal plate and outer metal plate, interior metal plate and outer metal plate it
Between without arrangement insulating materials.Interior metal plate and outer metal plate are connected to extremity piece (end plate), and two kinds of metal plates all carry
The load (weight) of the inner body (the sound dampening part for being arranged in the inside of muffler cover) of muffler.In the first kind
" double skins " muffler in, interior metal plate and outer metal plate all allow for the load of the inner body of carrying muffler, and
The machinery and vibroacoustics stress that muffler is exposed to during being able to bear vehicle operating.In addition, interior metal plate must be to row
Gas has anticorrosion effect, while outer metal plate must be provided to the good thermal insulation of environment, that is to say, that in the vehicle operating phase
Between outside plate should not be heated to excessive temperature.Moreover, outer metal plate must be able to resist the corrosion as caused by surrounding material (such as in vehicle
The water of outer metal plate is splashed to during operation).For " double skins " muffler of the first kind, typical thickness is each plate
0.4mm to 0.6mm, and for the overall thickness of two plates of " double skins " typically in the range of 0.8mm to 1mm.
" double skins " muffler of second known type include interior metal plate and outer metal plate and be arranged in interior metal plate and
Insulating materials between outer metal plate.The insulating materials being arranged between interior metal plate and outer metal plate is intended to reduce from interior metal
Plate to outer metal plate structure sound transmitting so that from muffler shell issue structure sound levels it is as low as possible.Insulation
Second purpose of material is the heat transfer reduced from interior metal plate to outer metal plate, and interior metal plate is flowed through the heat row of muffler
Gas heating.In " double skins " muffler of the Second Type, interior metal plate is connected to muffler cover to prevent leakage way first
Extremity piece (end plate), then, just install insulating materials.Then, outer metal plate can be connected to interior metal plate or be connected to end
Part (end plate) is connected to the sufficiently rigid any part to carry the muffler of the load of outer metal plate.But the
The connection of two metal plates is not required as anti-leak.In " double skins " muffler of the Second Type, only interior metal plate must
It must can carry the load of the inner body of muffler.Moreover, interior metal plate allows for muffler during receiving vehicle operating
The machinery and vibroacoustics stress being exposed to.In addition, interior metal plate must have anticorrosion effect to exhaust.Outer metal plate must
It must provide to the good thermal insulation of environment, that is to say, that outside plate should not be heated to excessive temperature during vehicle operation.Moreover,
Outer metal plate, which must be able to resist, corrodes (such as the water for splashing to outer metal plate during vehicle operation) as caused by surrounding material.
But outer metal plate does not need that the load of the inner body of muffler can be carried." double skins " noise reduction for the Second Type
The typical thickness of device, interior metal plate is 0.6mm, and outer metal plate can have the thickness of about 0.2mm.
Therefore, the muffler and noise reduction to muffler and muffler shell compared with the prior art with reduced weight
There is a continuing need for device shell.Meanwhile muffler and muffler shell must satisfy it is above-mentioned about corrosion resistance and machinery
The requirement of durability.
Summary of the invention
Invention proposes muffler shells as defined in a kind of independent aspects as muffler shell.According to the present invention
Muffler shell embodiment other aspect be for muffler shell subordinate in terms of theme.It is of the invention into one
Step aspect is related to the muffler as defined in the independent aspects for muffler comprising muffler shell according to the present invention.
In particular, including interior metal plate and outer metal for the muffler shell in the exhaust system of vehicle according to the present invention
Plate, outer metal plate are arranged to close interior metal plate.Muffler shell further includes the vibration being clipped between interior metal plate and outer metal plate
Dynamic acoustic damping material.Interior metal plate and outer metal plate are all the corrugated platings being made of stainless steel, and thickness 0.15mm extremely
In the range of 0.30mm.Be clipped in the thickness of the vibroacoustics damping material between stainless steel inner panel and stainless steel outside plate 4mm extremely
In the range of 8mm and density is in 130kg/m3To 160kg/m3In the range of.
In some embodiments of muffler shell according to the present invention, the thickness of stainless steel inner panel and stainless steel outside plate
About 0.2mm.
In some other embodiments of muffler shell according to the present invention, the ripple of stainless steel inner panel and outside plate
Height is in the range of 0.7mm to 1.3mm.
Still in some other embodiments of muffler shell according to the present invention, the spacing of ripple is in 4mm to 8mm
In the range of.
In other other embodiments of muffler shell according to the present invention, stainless steel inner panel and stainless steel outside plate
Ripple all along each stainless steel plate length and each stainless steel plate width extend, to form recess plate.
Still in another embodiment of muffler shell according to the present invention, vibroacoustics damping material still every
Heat.
Another aspect of the present invention relates to the mufflers in the exhaust system for vehicle.The muffler includes: muffler
Cover, which includes the muffler shell according to any of the above-described embodiment and the arrival end for being connected to muffler shell
Part and outlet extremity piece；With the inside that is arranged in muffler cover with the inner body for entering the sound of inside of muffler of decaying.
In some embodiments of muffler according to the present invention, inlet end piece and outlet extremity piece pass through mechanical connection
It is connected to muffler shell.
In some other embodiments of muffler according to the present invention, inlet end piece and outlet extremity piece are connected by welding
It is connected to muffler shell.
In the other embodiment of muffler according to the present invention, the inner panel of muffler shell and muffler shell
Outside plate is all rigidly connected to inlet end piece and outlet extremity piece.
Still in some further embodiments according to the present invention, the inner panel of muffler shell and muffler shell
Outside plate is all connected to inlet end piece and outlet extremity piece to prevent leakage way.
Muffler shell according to the present invention has relatively low weight, this is because only including two suitable low thickness
(the stainless steel wave card of 0.15mm to 0.30mm) and the vibroacoustics damping material being disposed there between, vibroacoustics damp material
The thickness of material is in the range of 4mm to 8mm and density is in 130kg/m3To 160kg/m3In the range of.Term " vibroacoustics resistance
Damping material " refers to that the material for reducing the noise especially in the frequency range lower than 600Hz radiated by muffler shell (is used
In the thickness range and density range of described material), more commonly improve the vibroacoustics behavior of muffler shell.The drop
Low/improvement is obtained by following effect: when the phase with two thin plates for only corresponding to muffler according to the present invention including thickness
When the muffler shell of the single non-wavy metal plate of the thickness added is compared, the first resonance frequency of muffler shell is increased to
Few 100%, preferably at least 150%, more preferably at least 200%, and/or the amplitude of noise at least declines at the first frequency
Subtract 3dB, preferably at least 4dB, more preferably at least 5dB.Expectation with those skilled in the art is on the contrary, be able to use two tools
There is the stainless steel plate of such small thickness, still, only (corrugated plating material, the thickness range of plate, vibroacoustics damp material to all features
The thickness range and density of material) combination meet requirement of the muffler shell about burn into structural noise and mechanical endurance.And
And muffler shell according to the present invention can bearing load (weight/power), this be also all three features (corrugated plating material,
The thickness range of plate, the thickness range and density of vibroacoustics damping material) combine result.
The interior metal plate of the muffler shell of muffler and outer metal plate (once by by muffler shell according to the present invention
Body connect with inlet end piece and outlet extremity piece and forms muffler) a part of load is all carried, this is because vibroacoustics damps
The density that material has can provide for the relative stiffness connection between interior metal plate and outer metal plate, so that vibroacoustics damps
Material can transmit mechanical force between interior metal plate and outer metal plate, while maintain vibroacoustics damping.In addition, interior gold
Belong to plate and outer metal plate is all rigidly connected to the extremity piece (end plate) of muffler, so that load is effectively distributed to two metal plates.
In the preferred embodiment, because between them Maximum Contact surface, because the connection of furthermore metal plate to extremity piece is also anti-leak
, load is distributed from interior metal plate to outer metal plate, so that the thickness of both interior metal plate and outer metal plate and weight are all
It can minimize.Preferably, muffler cover is manufactured, with interior metal plate and outer metal plate and between the two
Pad, only second step hereafter assembles muffler.For example, the actual (real) thickness of stainless steel plate can be about 0.2mm, ripple
Highly can be about in the range of 0.7mm to 1.3mm (from top point to lowest point), and (two are adjacently positioned ripple spacing
The distance between highest point) can be between 4mm and 8mm.If the ripple of stainless steel inner panel and stainless steel outside plate is " two dimension
", that is to say, that length and stainless steel plate of the ripple of stainless steel inner panel and stainless steel outside plate all along corresponding stainless steel plate
Width extend to form recess plate, then mechanical endurance and structural noise are especially good.But ripple can also be
" one-dimensional ", that is to say, that they are only extended in one direction.In particular, if the ripple edge of stainless steel inner panel and stainless steel outside plate
Different directions extend so that the direction of the ripple of stainless steel inner panel and outside plate includes an angle, such as the angle can be 60
It spends in the range of 90 degree, then this can be advantageous.The ripple of metal plate will increase the hardness of plate, and enhance with it is folded
The contact of vibroacoustics damping material, such as to increase shearing force to maximize all three layer (interior metal plates, outer metal plate
And folded vibroacoustics damping material) between load transmission.
Muffler including this muffler shell is particularly advantageous, because it is with relatively low weight.Entrance
Extremity piece and outlet extremity piece (usually also referred to " end cap ") can be connected to noise reduction by mechanical connection (such as by locking seam)
Device shell, or alternatively, inlet end piece and outlet extremity piece are connected by welding to muffler shell.
Detailed description of the invention
In conjunction with attached drawing being described below by the embodiment of muffler cover according to the present invention and muffler, further have
Sharp scheme becomes obvious, in which:
Fig. 1 shows the embodiment and its amplification details of the corrugated plating of muffler shell according to the present invention；
Fig. 2 shows two flat corrugated platings of muffler shell according to the present invention, and wherein vibroacoustics damps material
Feed collet is between the two corrugated platings；
Fig. 3 shows the section of the embodiment of muffler shell according to the present invention, and the muffler shell is by the flat of Fig. 2
Smooth plate is formed；
Fig. 4 shows the embodiment of muffler according to the present invention, the muffler include Fig. 3 muffler shell and
It is arranged in the inner body for sound of decaying of the inside of muffler shell；
Fig. 5 show outlet member to muffler shell shown in Fig. 3 mechanical connection (by locking seam execute) reality
Apply mode；And
Fig. 6 shows the embodiment of the connection (executing by welding) of outlet member to muffler shell shown in Fig. 3.
Specific embodiment
Fig. 1 shows the embodiment of the corrugated plating 10 of muffler shell according to the present invention.As can be seen, plate edge
The plate length and the plate width have ripple, as indicating respectively arrow 100 and 101.As a result, corrugated plating 10 includes
Multiple recesses 11, recess 11 can most preferably be seen in amplification details 12, wherein being placed between multiple highest points 111 more
A minimum point 110.The least part (length along plate and the width along plate) that minimum point 110 is arranged in two ripples converges
Place, and highest point 111 is arranged in what the largest portions (length along plate and the width along plate) of two ripples converged
Place.Corrugated plating 10 (and corrugated plating 13, see Fig. 3) is made of stainless steel, and the thickness T having is in 0.15mm to 0.30mm
In the range of, the thickness T especially having is about 0.2mm.Ripple in one direction (i.e. along length or width) is excellent
There is selection of land wave height H in the range of 0.7mm to 1.3mm (measured by from top point to lowest point, to see that Fig. 2's is thin
It saves 15), and ripple interval S is (in one direction i.e. along length or width, between two adjacent top point of ripple
The distance of measurement or the distance measured between two adjacent lowest points of ripple, are shown in the details 15 of Fig. 2) preferably exist
In the range of 4mm to 8mm.For example, the stainless steel plate that can be used in muffler cover is " steel EN10088-21.4541 ".
Fig. 2 shows tool, there are two the plate of flat corrugated plating, i.e., the upper plates 10 of muffler shell according to the present invention
With lower plate 13, vibroacoustics damping material 14 is clipped between corrugated plating 10 and lower corrugated plating 13.Additionally, vibroacoustics damps
Material can also be heat-insulated.Upper corrugated plating 10 and lower corrugated plating 13 all have thickness in the range of 0.15mm to 0.30mm
Degree, and be all made of stainless steel.Especially, upper corrugated plating 10 and lower corrugated plating 13 all have the thickness T of about 0.2mm, and
And it is all made of stainless steel.Preferably, 14 one side of vibroacoustics damping material is allowed for from the upward ripple of lower corrugated plating 13
Plate 10 transmits mechanical force, and vice versa (depending on which plate is finally interior metal plate and which plate is outer metal plate), and another
On the one hand it allows for attenuating structure sound.In this way, being transferred to the outside plate of muffler shell from the inner panel of muffler shell
Structure sound can be prevented from or at least greatly reduce, as will be further explained.Heat-insulated more particularly to folded material
14 prevent or at least greatly reduce from the inner panel of muffler shell to the outside plate of muffler shell transmitting heat ability.Institute
The thickness of material 14 is pressed from both sides in the range of 4mm to 8mm, and density is in 130kg/m3To 160kg/m3In the range of.Typical Vibration
Acoustic damping material is that " Powermat " (can be from the advanced fibre of DBW for being located at the Germany Wendeng City Bo Bai Rodetal 40,37120
Dimension Technology Co., Ltd. buy) or " Needle mat CE " (can from be located at Poland Ul.Przytulna 2, PL66-004
The NBT automatic vehicle Co., Ltd of Drzonkow buys).
Fig. 3 shows the section of the embodiment of muffler shell 1 according to the present invention, and the muffler shell is by such as Fig. 2
Shown in one or more chevron-shaped at, but now with muffler shell shape (do not have extremity piece, or do not have entrance
Part and outlet member).Because the construction selection of this muffler shell how is formed in the presence of many, (for example, all by as shown in Figure 2
Independent plate formed upper half-shell and housing lower half can be mechanically connected or form muffler shell by being welded to connect
Body；Or only single plate as shown in Figure 2 is capable of forming as the shape with the muffler shell shown in Fig. 3, the plate
The end of facing each other can be mechanically linked or by being welded to connect, name a few), so sectional view is not shown
The concrete mode how muffler shell is formed, this is because this is not key point.In addition, as that can see from Fig. 3, noise reduction
Device shell 1 includes: stainless steel inner panel, can correspond to Fig. 2 shows plate lower plate 13 (or correspondingly correspond to upper plate
10)；And stainless steel outside plate, can correspond to Fig. 2 shows plate upper plate 10 (or correspondingly correspond to lower plate 13).
Typically, then there are two extremity pieces for muffler shell equipment, i.e. inlet end piece 22 and outlet extremity piece 23 (see Fig. 4) is to form noise reduction
Device cover.As that can see again from Fig. 3, vibroacoustics damping material 14 is clipped between inner panel 13 and outside plate 10.
Fig. 4 shows the embodiment of muffler 2 according to the present invention, the muffler include the muffler shell 1 of Fig. 3 with
And the inner body of some inside for being arranged in muffler shell 1.As can be seen, muffler 2 includes: to be arranged in muffler
The inlet tube 20 and outlet 21 of the inside of shell 1；And muffler shell is connected at inlet end portion and outlet end respectively
The inlet end piece 22 and outlet extremity piece 23 of body 1.In addition, muffler 2 includes two installation elements 24,25, the two installation elements
It is arranged in the inside of muffler shell, for installing inlet tube 20 and outlet 21.Installation elements can be discoid component (gear
Plate), with larger-diameter hole to be used to store inlet tube 20 and outlet 21, and the hole with small diameter (does not show
Out) to allow exhaust to enter muffler by inlet tube and leave the outlet of inlet tube 21 then to pass through in muffler 2
Portion and the entrance for flowing back into outlet 21, and eventually off muffler 2.During exhaust flows through the inside of muffler, include
It is attenuated in exhaust and by the sound of exhaust conveyance to reduce the level of the sound issued from the outlet 21 of muffler 2,
This is well known in the art.Installation elements (baffle) 24 and 25 can be by clamping or any other well known in the art is used for
The appropriate technology of this purpose is fixed to the inner panel 13 of muffler shell 1.Because the embodiment of muffler 2 according to the present invention
Outside plate and inner panel are made of the stainless steel that thickness is only about 0.2mm, so compared with currently available muffler, muffler
Total weight is reduced significantly.Meanwhile muffler 2 according to the present invention meets about corrosion resistance, mechanical endurance, structure-borne sound
It absorbs and the heat transmitting (vibroacoustics damping material is also heat-insulated in this case) to outside plate and lifting capacity is wanted
It asks.
Fig. 5 and Fig. 6 shows outlet extremity piece (also, there are also inlet end piece certainly, although not shown) to muffler shell 1
Connection embodiment.According to Fig. 5, the connection for exporting extremity piece 23 to muffler shell 1 is mechanical connection 26 (in present case
The lower mechanical connection is formed by locking seam).According to Fig. 6, the connection for exporting extremity piece 23 to muffler shell 1 be include welding
27 connection, it is meant that outlet extremity piece has been soldered to muffler shell.The two technologies are all well known in the art for inciting somebody to action
Extremity piece is connected to the robust techniques of muffler shell.On link position, ripple can be pressed before or during forming connection
It is flat.
Although in conjunction with attached drawing it has been explained that the embodiment of muffler shell and muffler, it is clear that without departing from the present invention
The many changes and modifications of introduction are feasible.Therefore, protection scope is not limited to embodiment, but is wanted by subsidiary right
Ask restriction.
Claims (11)
1. the muffler shell (1) in a kind of exhaust system for vehicle, the muffler shell (1) includes interior metal plate
(13) and outer metal plate (10), the outer metal plate (10) are arranged to close the interior metal plate (13), and the muffler
Shell further includes the vibroacoustics damping material (14) being clipped between the interior metal plate (13) and the outer metal plate (10),
In, the interior metal plate (13) and the outer metal plate (10) be all the thickness that is made of stainless steel in 0.15mm to 0.30mm's
Corrugated plating in range, and the chatter being wherein clipped between the interior metal plate (13) and the outer metal plate (10)
Learn damping material (14) thickness (T) is in the range of 4mm to 8mm and density is in 130kg/m3To 160kg/m3In the range of.
2. muffler shell according to claim 1, wherein the interior metal plate (13) and the outer metal plate (10) are all
Thickness (T) with about 0.2mm.
3. muffler shell according to any one of the preceding claims, wherein the interior metal plate (13) and the outer metal
The height (H) of the ripple of plate (10) is in the range of 0.7mm to 1.3mm.
4. muffler shell according to claim 1, wherein the spacing (S) of ripple is in the range of 4mm to 8mm.
5. muffler shell according to claim 1, wherein the interior metal plate (13) and the outer metal plate (10)
Length (100) of the ripple all along each stainless steel plate and the width (101) along each stainless steel plate extend to be formed
Recess plate.
6. muffler shell according to claim 1, wherein the vibroacoustics damping material is also heat-insulated.
7. the muffler (2) in a kind of exhaust system for vehicle, which includes: muffler cover, the muffler cover packet
The arrival end for including muffler shell according to any one of the preceding claims (1) and being connected to the muffler shell (1)
Part (22) and outlet extremity piece (23)；And the inside of the muffler cover is arranged in decay into the inside of the muffler
The inner body (20,21,24,25) of sound.
8. muffler according to claim 7, wherein the inlet end piece (22) and the outlet extremity piece (23) pass through machine
Tool connection (26) is connected to the muffler shell (1).
9. muffler according to claim 8, wherein the inlet end piece (22) and the outlet extremity piece (23) pass through weldering
It connects (27) and is connected to the muffler shell.
10. according to the muffler any in claim 7 to 9, wherein the interior metal plate of the muffler shell
(13) and the outer metal plate (10) of the muffler shell is all rigidly connected to the inlet end piece (22) and the outlet
Extremity piece (23).
11. muffler according to claim 7, wherein the interior metal plate (13) of the muffler shell and described
The outer metal plate (10) of muffler shell is all connected to the inlet end piece (22) and the outlet end to prevent leakage way
Part (23).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13183508 | 2013-09-09 | ||
| EP13183508.4 | 2013-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514605A CN104514605A (en) | 2015-04-15 |
| CN104514605B true CN104514605B (en) | 2019-07-16 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4762778B2 (en) | Metal laminated cover | |
| US20080289902A1 (en) | Protective Shield for Thermal and Acoustic Shielding of Components of an Internal Combustion Engine | |
| KR20070108265A (en) | Multi-layer dimpled heat shield | |
| US9449592B2 (en) | Muffler shell for use in the exhaust system of a vehicle | |
| JP3349089B2 (en) | exhaust manifold | |
| US6681890B1 (en) | Sound barrier layer for insulated heat shield | |
| RU2669074C1 (en) | System comprising heater and exhaust pipe with the built-in silencer and the method of its manufacture | |
| KR101912620B1 (en) | A heat protector | |
| CN104514605B (en) | For the muffler shell in the exhaust system of vehicle | |
| CN100486839C (en) | Structural component, in particular a shield | |
| JP2011038467A (en) | Exhaust gas recirculating device of engine | |
| JP5922620B2 (en) | Anti-vibration mounting structure for heat shield cover to exhaust system parts | |
| JP2011074792A (en) | Internal combustion engine | |
| US20140216697A1 (en) | Thermally shielding body with temperature-resistant fastening points, and method for producing it | |
| US20150330719A1 (en) | Exhaust-gas heat exchanger made of duplex steel | |
| CN105822401A (en) | Heat shield assembly for vehicle exhaust system and exhaust system component of motor vehicle | |
| JP2008188923A (en) | Heat shielding cover structure | |
| KR101947361B1 (en) | Emission signature modification device | |
| JPH1162575A (en) | Exhaust pipe for internal combustion engine | |
| CN210105964U (en) | Double-tube exhaust pipe support | |
| EP1911943B1 (en) | Exhaust gas cooling device | |
| JP2011058566A (en) | Pipe support member | |
| Brand | Innovative products for limitation of surface radiated noise from exhaust systems of vehicles | |
| JP2022151013A (en) | Silencer | |
| JPH08210131A (en) | Exhaust manifold of internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150723 Address after: Gateway, Belgium Applicant after: Bosal Emission Control Systems NV Address before: Cyprus Limassol District Applicant before: The holding Cyprus of Si Kanbiya Co., Ltd |
|
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |