CN105916736A - Soundproofing element and motor vehicle - Google Patents
Soundproofing element and motor vehicle Download PDFInfo
- Publication number
- CN105916736A CN105916736A CN201580005598.6A CN201580005598A CN105916736A CN 105916736 A CN105916736 A CN 105916736A CN 201580005598 A CN201580005598 A CN 201580005598A CN 105916736 A CN105916736 A CN 105916736A
- Authority
- CN
- China
- Prior art keywords
- sound insulation
- insulation element
- seal
- scope
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
Abstract
The invention relates to a soundproofing element (3, 4, 26), in particular for a motor vehicle (1), having a main body (7, 27) and at least one additional body (8, 9, 28) arranged on the main body (7, 27) and made of a material that differs from the material of the main body (7, 27). The main body (7, 27) consists of a thermoplastic material and the additional body as a flexible sealing body (8, 9, 28) consists of an elastomer.
Description
Technical field
The present invention relates to a kind of sound insulation element being particularly useful for motor vehicle, it is arranged in matrix and with at least one
Episome at matrix, this episome is made up of the material different from the material of matrix.
Additionally, the present invention relates to a kind of motor vehicle with this type of sound insulation element.
Background technology
In motor vehicle manufacture, especially in motorcar body manufacture, it often is provided with cavity (such as light-duty manufacture
Reason), but this cavity is often preferable noise of air path, so that noise of air can almost unhindered pass
Cavity.Thus, during noise the most almost unhindered can be arrived the crew module of motor vehicle by enging cabin.Therefore known
Being that this type of cavity is provided with sound insulation element, it prevents noise of air from such as being arrived in inner space by enging cabin in this place.
Here, so-called PUR flexible foam drip molding is proved to be effectively (PUR=polyurethane).
So, such as German Disclosure Document DE 33 07 577 A1 discloses a kind of sound insulation element, and it has by polyurethane
The sponge layer constituted.This external this is arranged to, and installs a separation layer extraly, and it especially should relax shaking in low-frequency band
Dynamic.
By file DE 32 30 178 A1 it is also known that a kind of with the flexible foam formed body being made up of polyurethane every
Tone part.For formed body known materials disadvantageously, this formed body can absorb water and can store water.At the car that water can enter
In region, such as in the region of mud guard or protecgulum, owing to moisture absorption may result in wet nest, enter due to dirt wherein
Corrosion also can be promoted to occur with vibrations.In order to avoid this situation, file DE 32 30 178 A1 is arranged to, and makes formed body set
There is the layer of formation waterproof membrane, especially paint.On the one hand this is possible solution of can easily performing, but on the other hand passes through
Manufacture, assembling or the damage of the film layer caused by the vibrations that are in operation or minimum pore may cause moisture to invade into
In body and cause moisture absorption enduringly.
In file DE 25 56 224 A1, also illustrate a similar solution.File DE 39 01 879 A1,
DE 10 2,010 040 501 A1, DE 602 04 736 T2, DE 10 2,010 035 431 A1 and DE 601 27 844
T2 constitutes other relevant prior art.
Summary of the invention
Present invention aim at realizing a kind of one side meet the requirement to sound insulation and on the other hand do not absorb moisture every
Tone part.
The purpose that the present invention is based on is realized by the sound insulation element of the feature with claim 1.This sound insulation element
Being characterised by, matrix is formed by thermoplastic and episome is made up of elastomer as flexible sealing body.This has as follows
Advantage, i.e. sound insulation element have the matrix itself not absorbed water so that extra diaphragm seal, diaphragm seal or seal paint (as
It is by known in the art) unnecessary.Be ensure that as the structure of the flexible sealing body being made up of elastomer by episome,
Although now matrix is harder, but sound insulation element can be arranged on well at the body part of motor vehicle and be caused the best
Air-prevention level of noise.
Being preferably set to, matrix is made up of polypropylene.Polypropylene is the most especially suitable also for injection mo(u)lding, the most really
Protect the manufacture of the cost-effective of matrix.Matrix the most also can be matched with not by machining after formation in a straightforward manner
Same geometry.Additionally, polypropylene additionally provides the desired repellency of matrix.
For reasons of simple and quick manufacture, it is preferable that matrix single type ground constructs, especially comes with injection molding process
Manufacture.But it is in principle it is still possible that manufactured matrix by multiple single-pieces and and then these single-pieces connected into matrix, the most logical
Cross bonding and/or welding and/or clamping.Can realize in like fashion, by means of simple plastics injection mould abandon so-called
The even complicated matrix shaped can be manufactured in cost-effective ground equally in the case of sliding part.
According to the present invention one is advantageously improved scheme and is arranged to, and matrix has for improving its density and being consequently for carrying
The filler additives of high sound insulation.By filler additives, the sound damping of matrix, especially polypropylene material can be in a straightforward manner
It is matched or is affected.Particularly preferably it is arranged to, is provided with magnetic iron ore (Fe3O4) it is used as filler additives, thus with spy
Not simple and cost-effective mode advantageously affects the acoustic characteristic of matrix.
According to the present invention one preferably improvement project is arranged to, and elastomer is ter-polymers elastomer.This elastomer
Being configured to synthetic rubber, it can manufacture and be in operation cost-effective and withstand high load, the thus life-span of sound insulation element
It is further optimized.
Particularly preferably being arranged to, elastomer is ethylene propylene diene rubber.Be called for short this material of EPDM at episome or
The water resistance that in the situation of the high flexible of person's seal, same offer is outstanding.Therefore ensure that in general, not only matrix but also
Moisture can be reacted insensitive and as such sound insulation element and be referred to alternatively as waterproof by episome (seal).Preferably, elastic
Body is EPDM foam, so that it can be easily manufactured and shape.
A kind of preferably improvement project according to the present invention is made to be arranged to, seal have at least one seal projection portion,
Especially at least one sealing lip, such as, be used for forming sealing configuration.By arranging at least one seal projection portion, sound insulation element exists
Sealing function at episome can optimize in a simple manner decoupled.In particular, this sealing configuration is according to application purpose and available
Structure space select.Abutting at body part if seal projection portion or sealing lip are in operation, it is resiliently deformable,
Vibration is the most also prevented to be delivered on sound insulation element by vehicle body.
A particularly preferred improvement project according to the present invention is arranged to, and seal has at least one cavity closed.
The cavity of this closing improves the flexibility of seal and is also responsible for the improved sound damping of sound insulation element simultaneously.Preferably,
Cavity is filled with gas, is especially filled with air for this.By arranging one or more cavity in seal and/or leading to
Cross and expanded material is used for seal makes the density of seal state in being not installed in motor vehicle can reduce.
Design and the material of matrix are preferably chosen as so that the density of the matrix in non-installment state is in
0.5g/cm3To 2.6g/cm3Scope in, be preferably located in 0.8g/cm3To 1.4g/cm3Scope in, be especially preferably in
0.8 to 1.0g/cm3Scope in, be particularly preferably in about 0.9g/cm3.This density value scope is on the one hand in view of required
Noise of air isolation performance (high density of matrix and the highest quality draw the isolation of higher noise of air) and the opposing party
Face is proved in view of the least weight (weight of motor vehicle should be improved as few as possible) required by sound insulation element
It is good trading off.
In view of the density of seal shows in test, in the density of seal state in being not installed in motor vehicle
Advantageously at 0.05g/cm3To 1.6g/cm3Scope in, preferably at 0.08g/cm3To 0.5g/cm3Scope in, the most excellent
Selection of land is at 0.10 to 0.25g/cm3Scope in, the most about 0.15g/cm3Select.
The motor vehicle according to the present invention with the feature of claim 9 is characterised by that at least one is according to the present invention's
Sound insulation element.It thus draws advantage noted above.
Particularly preferably it is arranged to, makes sound insulation element be arranged at least one body part of motor vehicle, especially at gear mud
At plate, especially at the mud guard sheet of motor vehicle, in order to even if being likely to occur moisture in this place the most reliably play its sound insulation
Act on and guarantee the high life-span.Advantageously, sound insulation element abuts at least one motorcar body part with at least one seal
Place, in order to guarantee that desired noise of air is isolated.
Sound insulation element according to the present invention is preferably placed between two or more body parts of motor vehicle, these vehicle bodies
Part is configured with betwixt and makes noise of air penetrate the gap being possibly realized.In order to the most to a great extent reduce or as much as possible
Stoping the noise of air through this gap to penetrate completely, sound insulation element is arranged at this so that it is the most partly with one or
Multiple seals abut at least two body part, so that sound insulation element is with its matrix and one or more seal extremely
The noise of air of few closing gap to a great extent penetrates cross section.Former for the most optimal noise of air isolation
Cause, at this preferably, (one or more) contact surface between one or more seals and at least two body part is complete
(the most over an angle of 360) cincture sound insulation element, so that the noise of air that sound insulation element completely encloses gap penetrates transversal
Face.In view of other requirement, such as maybe can be broken in order to ensure the certain minimal penetration at air or the water of condensation
Discharge, in some cases but the most preferably or necessarily make sound insulation element not exclusively stop that the noise of air in gap penetrates
Cross section.In such a case preferably, the contact surface of relative body part the most to a great extent around sound insulation unit
Part.
In sound insulation element is arranged in body part noise of air is penetrated in the inner chamber being possibly realized or at which, example
As time in the inner chamber in box shaped longitudinal beam section bar, this is equally applicable.Sound insulation element also should be at least partially with at least one herein
Individual seal abuts at body part, thus by making sound insulation element with its matrix and one or more seal at least the biggest
Close the noise of air of inner chamber in degree to penetrate cross section and make to penetrate through the noise of air of inner chamber to be at least all in very great Cheng
It is lowered on degree.Herein it is also preferred that one or more seal of sound insulation element for reasons of noise of air is isolated
Circumferentially abut at body part (that is around 360 °) completely, thus at one or more seals of sound insulation element and car
The contact surface of (that is around 360 °) cincture sound insulation element completely it is configured with between main body element.The feelings of aspect described above
Under condition, such as in order to make the water of intrusion or condensation to discharge, but can be advantageously, it is allowed to certain space, so that
Sealing surface between sound insulation element and body part not exclusively (being that is not about 360 °) is around sound insulation element.
The complicated gap shaped between two or more body parts or the complicated one-tenth in the body part of motor vehicle
It is also possible that make multiple sound insulation element according to the present invention be arranged in the district of gap or inner chamber in the case of the inner chamber of shape
In territory, in order to reduce the most to a great extent or stop the noise of air through gap or inner chamber to penetrate completely.With this
Mode, single in the multiple sound insulation elements used can relatively simply construct and relatively simply manufacture accordingly.For simpler
Assembling and the reason of more preferable functional reliability, but institute is preferably, correspondingly uses only one sound insulation element, and it is with it
What matrix and one or more seal the most to a great extent or fully stopped gap or inner chamber makes noise of air
Penetrate the cross section being possibly realized.In order to improve noise of air isolation further, multiple sound insulation unit according to the present invention also can be made
Part is arranged successively in gap or inner chamber, is placed in noise of air the most in order and penetrates in cross section.
Next the suitably sized of the sound insulation element according to the present invention and the selection of structure should be inquired into.In order to realize expectation
(depending on frequency noise) noise of air degree of isolation, form information known to professional person can determine that sound insulation element
Required penetrate on the direction of cross section measured in the noise of air being approximately perpendicular to gap to be intercepted or inner chamber for this
Mass area ratio be much.The mass area ratio of sound insulation element illustrate sound insulation element each square measure (herein:
Square centimeter cm2) quality (herein: gram g) of sound insulation element that exists, wherein, the face vector of square measure is being approximately perpendicular to
The side that gap to be intercepted or the noise of air of inner chamber penetrate cross section is upwardly-directed.If such as in order to reach desired
(depending on frequency noise) noise of air degree of isolation needs 0.35g/cm2Sound insulation element mass area ratio, then
1.0g/cm3Matrix density in the case of thus draw and penetrate transversal in the noise of air being approximately perpendicular to gap or inner chamber
The required thickness of the matrix of 0.35cm (=3.5mm) on the direction in face.By with higher density, the material of such as magnetic iron ore
The filler additives of material, the density of matrix can be enhanced, so that can quilt for obtaining the matrix of same units area quality
Corresponding relatively unfertile land is implemented.Show in test, in order to obtain enough noise of air degree of isolation, the mass area ratio of matrix
0.1g/cm should be in mounted state in a motor vehicle2To 0.8g/cm2Scope in, be preferably located in 0.2g/cm2
To 0.5g/cm2Scope in, be especially preferably in 0.3 to 0.4g/cm2Scope in, be particularly preferably in about
0.35g/cm2。
In order to ensure good noise of air isolation, show, being approximately perpendicular to of the seal in installment state
The noise of air of gap or inner chamber penetrates the mass area ratio measured on the direction of cross section should be in 0.024g/cm2Extremely
0.8g/cm2Scope in, be preferably located in 0.2g/cm2To 0.5g/cm2Scope in, be especially preferably in 0.3 to 0.4g/
cm2Scope in, be particularly preferably in about 0.35g/cm2.Typically the flexible elastomer sold of cost-effective is close
Spend but be significantly less than the density of the thermoplastic sold of typical cost-effective.So that in non-installment state
Matrix also reaches the unit are that the matrix in installment state is similar with seal with the different densities of the material of seal
Quality, is being assemblied in the feelings in gap or inner chamber according to the seal formed by elastomer that the present invention is flexible by sound insulation element
Shape is deformed into so that the noise of air being approximately perpendicular to gap or inner chamber penetrate on the direction of cross section measured
The mass area ratio of the matrix in installment state is in the ratio of the mass area ratio of the seal in installment state
In the scope of 0.33 to 3.0, be preferably located in the scope of 0.5 to 2.0, be especially preferably in the scope of 0.8 to 1.3,
Particularly preferably it is in about 1.0.The deformation of seal can be carried out in a wide variety of ways, such as by elastomeric material
Pressing, the pressing of cavity by being arranged in seal, by the bending of sealing lip or turnover, by that of multiple sealing lips
This pressing or otherwise.
Accompanying drawing explanation
Next the present invention should be elaborated according to embodiment.Wherein:
Fig. 1 shows the motor vehicle with sound insulation element with simplification figure,
Fig. 2 to Fig. 5 shows the different embodiments of sound insulation element respectively with cross-sectional view,
Fig. 6 shows the vehicle body section of the motor vehicle with the sound insulation element in installment state.
Detailed description of the invention
Fig. 1 simplification figure shows motor vehicle 1, and it has multiple body part, the most such as mud guard 2.Here, mud guard 2
Now being associated with two sound insulation elements 3 and 4, it illustrates on breakdown ground in FIG beyond motor vehicle 1.Two sound insulation elements exist
Being arranged in installment state between mud guard 2 and another body component, in order to correspondingly closing gap, otherwise noise of air is led to
Cross this gap especially to reach the inner space 6 of motor vehicle 1 from the enging cabin 5 of motor vehicle 1.Sound insulation element 3,4
It is configured to be sealed shut this corresponding gap and prevent the conduction of noise of air.
Sound insulation element 3,4 be respectively provided with the matrix being made up of polypropylene and two be positioned relative to each other at matrix
Flexible sealing body, it is in abutting contact with the body part of motor vehicle 1 and seals corresponding gap.At Fig. 2, in 3,4 and 5,
Exemplarily sound insulation element 3 is illustrated for two sound insulation elements 3,4 according to the cross section along straight line A-A through sound insulation element 4,
The different embodiment of 4.
According to first embodiment, Fig. 2 shows the matrix 7 of sound insulation element 4, and it has the most elongated cross section.At it
At two side ends, matrix 7 is correspondingly provided with seal 8 or 9.Seal 8,9 elastically deformably constructs and by ternary second
Third rubber (being called for short EPDM) is made.Seal 8,9 cover the end of matrix 7 and have multiple cavity 10, which raises seal
The flexibility of 8,9.Aptly, seal 8,9 extend in the whole length of corresponding sound insulation element 3,4.By matrix 7 by poly-third
The structure of alkene and seal 8,9, by the structure of EPDM, the most correspondingly provide sound insulation element 3 or 4, and it does not absorbs water and just
In the operation of motor vehicle 1, in wet surrounding environment, water is not the most stored for this.By with high component quality by many
The matrix 7 that the seal 8,9 worked as acoustic seal of individual soft or flexibility surrounds ensure that high noise of air
Isolation.Meanwhile, sound insulation element 3,4 can come well by the outside seal 8,9 by favourable structure, particularly by soft flexibility
Install.Being selected by favourable material, sound insulation body 3,4 especially can be used in wet area.Embodiment shown in figure 2
In addition having the advantage that, i.e. seal 8,9 correspondingly have continuous print for contact surface 8' or 9' reclined, true by it
Protect the best the contacting with the body part of motor vehicle 1.
Fig. 3 shows an alternative embodiment, wherein in the district that next should the most only inquire into relative above-described embodiment
Not.In particular, second embodiment of Fig. 3 is as follows with the difference of accompanying drawing 2, i.e. seal 8,9 do not have with multiple cavitys 10
Protuberance, but there is multiple protuberance 11 with correspondingly cavity 10.Here, protuberance 11 cross section in
Construct and there is provided herein multiple position that reclines for corresponding body part annularly.Here, protuberance 11 is the most adjacent
Protuberance corresponding interval ground is arranged, realizes seal 8, flexible and that can mate the especially form of implementation of 9 the most in particular.
The 3rd embodiment according to Fig. 4 is as follows with the difference of above-mentioned two embodiment, i.e. seal 8,9 correspondingly have
Multiple protuberances with sealing lip 12 form, it is prominent from matrix 7 and is equally used for abutting at corresponding body part.It is different from
Above-mentioned two embodiment, is not provided with cavity in the case of the embodiment of Fig. 4 in corresponding seal 8 or 9, wherein, and root
According to alternative, the most unshowned embodiment, this can be possible equally.Cavity 10 and protuberance 11 or sealing lip 12
Quantity be clearly variable and select according to corresponding application target.Fig. 4 such as shows a kind of with seal 8,9
Alternative form of implementation, its two sealing lips 12 of replacement correspondingly have three sealing lips 12, and wherein, this alternative is at Fig. 4
In only dotted line ground display.
The first embodiment corresponding to Fig. 2 to a great extent of the 4th embodiment according to Fig. 5 is consistent, but does not have close
Cavity in envelope body 8 and 9.The seal 8 and 9 of the embodiment of Fig. 5 correspondingly phase in the case of same size and material select
The seal 8,9 of the embodiment than Fig. 2 more firmly, more high density, more hard place and the softest but the most more strongly structure
Making, this can be desired according to applicable cases.The intensity of seal 8 and 9 and mellowness are gone back in the case of this embodiment of Fig. 5
Can be by selecting to be matched with applicable cases for seal 8, the corresponding size of 9 and material: such as in order to reduce its density,
Matrix 8,9 can be made up of the elastomeric material foaming by force.
Matrix 7 can mainly be manufactured by injection mo(u)lding.Seal 8,9 are made up of EPDM foam aptly, and it has spy
Not high elasticity and high noise of air isolation (in the case of the most waterproof).The density of the material of matrix 7 can be led to if desired
Cross filler additives, such as magnetic iron ore (Fe3O4) improve, in order to optimize the acoustic characteristic of sound insulation element 3 or 4.
Fig. 6 shows the vehicle body section 20 of motorcar body.The vehicle body section 20 that figure 6 illustrates includes mud guard sheet 21
And the section of the side part plate 22 of outside, it is with outside A post plate 23 and the threshold plate 24 of outside.At gear mud
The wheel arch panel lining (Radlaufbeplankung) 25 being made up of plastics is installed at plate 21.
At mud guard sheet 21, between outside A post plate 23 and wheel arch panel lining 25, it is configured with gap 31, noise of air
In particular can be from wheel arch panel and the inner space being arrived motor vehicle by the enging cabin of motor vehicle by it.In order to
Noise is sealed shut this gap 31 the most to a great extent, is disposed with sound insulation element 26 in this region, and it is at least very
Stop that the noise of air in gap 31 penetrates cross section in big degree.Sound insulation element 26 has by thermoplastic, especially by poly-third
The matrix 27 that alkene is constituted, and by elastomer, the elastic sealed body 28 that is especially made up of the EPDM foamed.The merit of sound insulation element 26
Can be to prevent or at least reduce the noise of air conduction by gap 31.Correspondingly, flexible seal 28 almost completely around
Matrix 27, this is that is in the angle of the cincture of almost 360 °, in order to the noise of air almost completely enclosing gap is worn
Cross section thoroughly.The flexible sealing body 28 of sound insulation element 26 is with sealing surface 28' noise the most to a great extent hermetically
Abut at mud guard sheet 21, at outside A post plate 23 and at wheel arch panel lining 25.By means of clamping element 30,
The most such as by means of threaded, sound insulation element 26 is bearing at mud guard sheet 21.The structure and material of sound insulation element 26
Can select according to the model of one of them in the four of Fig. 2 to 5 embodiment.
The dimensioning of sound insulation element 26, size and material select obviously substantially to be drawn by the size in gap 31, its
Noise of air conduction should be lowered or be interrupted by means of sound insulation element 26, and the desired degree isolated by noise of air
Draw.If such as measured by form information known to professional person, i.e. for desired the depending on of noise of air isolation
The degree of frequency noise needs for 0.3g/cm2The mass area ratio of matrix 27, and the material as matrix 27 should use band
There is 1.2g/cm3Density with magnetic iron ore fill polypropylene, then computationally draw the matrix material in installment state
Required the noise of air freely being approximately perpendicular to gap 31 penetrate measure on the direction of cross section 0.25cm (=
Thickness 2.5mm).(density of matrix material is by installing substantially constantization in a motor vehicle.) as the material of seal 28
Should use in non-installment state is 0.22g/cm with density3The EPDM of foaming, wherein, the inside of seal 28 has
Multiple cavitys 10.In order to realize in installment state seal 28 approx corresponding to the 0.3g/cm of matrix 272Unit plane
The mass area ratio of long-pending quality, is respectively 0.2cm (in the freedom being approximately perpendicular to gap 31 in non-installment state by thickness
Noise of air penetrate on the direction of cross section measure) foaming EPDM material constitute three sealing lips can the most one after the other
Arrange.By in the case of sound insulation element 26 is arranged in gap 31 by the EPDM material of the foaming of sealing lip at air
Noise penetrates pressing in the plane of cross section, and wherein, this is being hung down by the mentioned thickness being respectively 0.2cm of three sealing lips
Generally remain equal on straight direction, and by the pressing of cavity 10 present in sealing lip, the density of seal 28 is being pacified
By 0.22g/cm in the case of dress3Bring up to 0.4g/cm3.By this pressing and the three of seal 28 of the sealing lip of seal 28
The arranged in succession of individual sealing lip obtains the about 0.4g/cm in installment state of seal 283*3*0.2cm=0.24g/cm3
Mass area ratio, this approx corresponding to matrix 27 for 0.3g/cm2Mass area ratio.Can lead in like fashion
Crossing sound insulation element 26 to guarantee good and uniform noise of air isolation, this sound insulation element almost completely encloses the sky in gap 31
Gas noise penetrates cross section.
Reference numerals list
1 motor vehicle
2 mud guards
3,4 sound insulation elements
5 enging cabins
6 inner space
7 matrixes
8,9 seals (episome)
8', 9' contact surface
10 cavitys
11 protuberances
12 sealing lips
20 vehicle bodies
21 mud guard sheets
Side part plate outside 22
A post plate outside 23
Threshold plate outside 24
25 wheel arch panel linings
26 sound insulation elements
27 matrixes
28 seals (episome)
28' contact surface
30 clamping elements
31 gaps
Claims (16)
1. the sound insulation element (3,4,26) being particularly useful for motor vehicle (1), it is with matrix (7,27) and with at least one
Being arranged in the episome (8,9,28) at described matrix (7,27) place, this episome is by different with the material of described matrix (7,27)
Material is made, it is characterised in that described matrix (7,27) is formed by thermoplastic and described episome is as flexible sealing body
(8,9,28) it is made up of elastomer.
Sound insulation element the most according to claim 1, it is characterised in that described matrix (7,27) is made up of polypropylene.
3. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that described matrix (7,27) has use
In improving the filler additives of its density, especially magnetic iron ore.
4. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that described elastomer is ternary polymerization
Thing elastomer, especially ethylene propylene diene rubber (EPDM).
5. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that described seal (8,9,28) has
There are at least one seal projection portion (11), especially at least one sealing lip (12).
6. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that described seal (8,9,28) has
There is at least one cavity closed (10).
7. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that the density of described matrix (7,27)
It is in 0.5g/cm in non-installment state3To 2.6g/cm3Scope in, be preferably located in 0.8g/cm3To 1.4g/cm3Model
In enclosing, especially preferably it is in 0.8 to 1.0g/cm3Scope in, be particularly preferably in about 0.9g/cm3。
8. according to sound insulation element in any one of the preceding claims wherein, it is characterised in that described seal (8,9,29)
Density is in 0.05g/cm in non-installment state3To 1.6g/cm3Scope in, be preferably located in 0.08g/cm3To 0.5g/
cm3Scope in, be especially preferably in 0.10 to 0.25g/cm3Scope in, be particularly preferably in about 0.15g/cm3。
9. a motor vehicle (1), its with at least one according to any one of aforementioned claim or multinomial described sound insulation unit
Part (3,4,26).
Motor vehicle the most according to claim 9 (1), it is characterised in that described sound insulation element (3,4,26) is described motor-driven
At at least one body part of car (1), especially at mud guard (2) place, especially in the layout at mud guard sheet (21) place.
11. motor vehicles according to claim 10 (1), it is characterised in that described sound insulation element (3,4,26) is with at least one
Individual seal (8,9,29) abuts at least one body part of described motor vehicle (1).
12. motor vehicles according to claim 11 (1), it is characterised in that described sound insulation element (3,4,26) is described motor-driven
Layout between two or more body parts (21,23,25) of car (1), these body parts are configured with in-between so that air
Noise penetrates the gap (31) being possibly realized, and wherein, described sound insulation element (3,4,26) is the most at least partially with at least one
Individual seal (8,9,28) abuts in described at least two body part (21,23,25) place and the most largely reduces or hinder
The noise of air in the gap that gear is passed through between described at least two body part (21,23,25) penetrates.
13. motor vehicles according to claim 11 (1), it is characterised in that described sound insulation element is at the vehicle body of described motor vehicle
Layout at the inner chamber of part or wherein, this inner chamber makes noise of air penetrate to be possibly realized, and wherein, described sound insulation element is at least
Abut at described body part with at least one seal partly and the most largely reduce or stop through described interior
The noise of air in chamber penetrates.
14. according to the motor vehicle (1) according to any one of claim 12 or 13, it is characterised in that the institute in installment state
State penetrating in the noise of air being approximately perpendicular to described gap (31) or inner chamber of matrix (7,27) to survey on the direction of cross section
The mass area ratio of amount is in 0.1g/cm2To 0.8g/cm2Scope in, be preferably located in 0.2g/cm2To 0.5g/cm2's
In scope, especially preferably it is in 0.3 to 0.4g/cm2Scope in, be particularly preferably in about 0.35g/cm2。
15. according to the motor vehicle (1) according to any one of claim 12 to 14, it is characterised in that the institute in installment state
State the direction penetrating cross section in the noise of air being approximately perpendicular to described gap (31) or inner chamber of seal (8,9,28)
The weight per unit area of upper measurement is in 0.024g/cm2To 0.8g/cm2Scope in, be preferably located in 0.2g/cm2To 0.5g/
cm2Scope in, be especially preferably in 0.3 to 0.4g/cm2Scope in, be particularly preferably in about 0.35g/cm2。
16. according to the motor vehicle (1) according to any one of claim 12 to 15, it is characterised in that be approximately perpendicular to respectively
The noise of air of described gap (31) or inner chamber penetrates the described matrix in installment state measured on the direction of cross section
(7,27) at the ratio of the mass area ratio of mass area ratio and the described seal (8,9,28) in installment state
In the scope of 0.33 to 3.0, be preferably located in the scope of 0.5 to 2.0, be especially preferably in 0.8 to 1.3 scope
In, particularly preferably about 1.0.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014201340.2 | 2014-01-24 | ||
| DE102014201340.2A DE102014201340A1 (en) | 2014-01-24 | 2014-01-24 | Soundproofing element, motor vehicle |
| PCT/EP2015/051310 WO2015110561A1 (en) | 2014-01-24 | 2015-01-23 | Soundproofing element and motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105916736A true CN105916736A (en) | 2016-08-31 |
Family
ID=52391985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580005598.6A Pending CN105916736A (en) | 2014-01-24 | 2015-01-23 | Soundproofing element and motor vehicle |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105916736A (en) |
| DE (2) | DE102014201340A1 (en) |
| WO (1) | WO2015110561A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197501A (en) * | 2018-11-19 | 2020-05-26 | 通用电气公司 | Seal assembly for a turbomachine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146565A (en) * | 1998-07-15 | 2000-11-14 | Noble Polymers, L.L.C. | Method of forming a heat expandable acoustic baffle |
| CN1717319A (en) * | 2003-12-23 | 2006-01-04 | 卡库斯蒂克斯技术中心股份有限公司 | Multiple layer sound suction light member especially for automobile |
| US20070218790A1 (en) * | 2006-03-16 | 2007-09-20 | Am General Llc | Composite insulation |
| CN101848831A (en) * | 2007-08-16 | 2010-09-29 | 汉高两合股份公司 | Acoustic baffle |
| US20110091673A1 (en) * | 2009-10-16 | 2011-04-21 | Carcoustics Techconsult Gmbh | Method for producing hollow bodies from plastic and hollow plastic bodies with novel properties |
| CN102245464A (en) * | 2008-12-16 | 2011-11-16 | 汉高股份有限及两合公司 | Baffle with enhanced acoustic damping properties |
| FR2935951B1 (en) * | 2008-09-16 | 2013-03-22 | Cera | MOTOR VEHICLE FLOOR COMPONENT COMPRISING A RIGID ACOUSTIC INSULATION LAYER |
| CN103025584A (en) * | 2010-05-28 | 2013-04-03 | 汉高股份有限及两合公司 | Acoustic baffle device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2256638A1 (en) * | 1972-11-18 | 1974-05-22 | Mueller Franz Fa | PROCEDURE FOR CALMING A LONGITUDINAL MOVING TRACK |
| DE2556224A1 (en) | 1975-12-13 | 1977-06-23 | Phoenix Gummiwerke Ag | Soundproofing element of elastomer granules embedded in foam - with fixed ratio of granules to foam, for multiple applications |
| DE3307577A1 (en) | 1982-03-04 | 1983-09-15 | Bridgestone Tire Co. Ltd., Tokyo | Sound-insulating material and the use thereof |
| DE3230178A1 (en) | 1982-08-13 | 1984-02-16 | Dlw Ag, 7120 Bietigheim-Bissingen | Process for manufacturing a moulded body of foamed plastics material and moulded body made of foamed plastics material |
| IT1218976B (en) * | 1988-01-25 | 1990-04-24 | Stars Spa | PROCEDURE FOR SOUNDPROOFING COMPONENTS OF THE INTERIOR OF THE BODYWORK OF THE VEHICLE |
| DE19745122A1 (en) * | 1997-10-13 | 1999-04-15 | Daimler Chrysler Ag | Two part composite plastic component manufacture |
| DE10018070A1 (en) * | 2000-04-12 | 2001-10-25 | Illbruck Gmbh | Sound absorber, in particular, for motor vehicles comprises a layer of sound absorbent material and a cover layer of a thermoplastic elastomer |
| US6820923B1 (en) * | 2000-08-03 | 2004-11-23 | L&L Products | Sound absorption system for automotive vehicles |
| FR2826621B1 (en) * | 2001-07-02 | 2003-09-26 | Hutchinson | SOUND INSULATION DEVICE FOR MOUNTING IN A TUBULAR PART, PARTICULARLY FOR AN AUTOMOTIVE BODY PART |
| DE102010035431A1 (en) * | 2010-08-26 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Broadband sound absorber |
| DE102010040501B4 (en) * | 2010-09-09 | 2019-03-21 | Lisa Dräxlmaier GmbH | injection molding |
-
2014
- 2014-01-24 DE DE102014201340.2A patent/DE102014201340A1/en not_active Withdrawn
-
2015
- 2015-01-23 DE DE112015000476.9T patent/DE112015000476A5/en active Pending
- 2015-01-23 CN CN201580005598.6A patent/CN105916736A/en active Pending
- 2015-01-23 WO PCT/EP2015/051310 patent/WO2015110561A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146565A (en) * | 1998-07-15 | 2000-11-14 | Noble Polymers, L.L.C. | Method of forming a heat expandable acoustic baffle |
| CN1717319A (en) * | 2003-12-23 | 2006-01-04 | 卡库斯蒂克斯技术中心股份有限公司 | Multiple layer sound suction light member especially for automobile |
| US20070218790A1 (en) * | 2006-03-16 | 2007-09-20 | Am General Llc | Composite insulation |
| CN101848831A (en) * | 2007-08-16 | 2010-09-29 | 汉高两合股份公司 | Acoustic baffle |
| FR2935951B1 (en) * | 2008-09-16 | 2013-03-22 | Cera | MOTOR VEHICLE FLOOR COMPONENT COMPRISING A RIGID ACOUSTIC INSULATION LAYER |
| CN102245464A (en) * | 2008-12-16 | 2011-11-16 | 汉高股份有限及两合公司 | Baffle with enhanced acoustic damping properties |
| US20110091673A1 (en) * | 2009-10-16 | 2011-04-21 | Carcoustics Techconsult Gmbh | Method for producing hollow bodies from plastic and hollow plastic bodies with novel properties |
| CN103025584A (en) * | 2010-05-28 | 2013-04-03 | 汉高股份有限及两合公司 | Acoustic baffle device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197501A (en) * | 2018-11-19 | 2020-05-26 | 通用电气公司 | Seal assembly for a turbomachine |
| CN111197501B (en) * | 2018-11-19 | 2022-11-25 | 通用电气公司 | Seal assembly for a turbomachine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014201340A1 (en) | 2015-07-30 |
| DE112015000476A5 (en) | 2016-10-13 |
| WO2015110561A1 (en) | 2015-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103098122B (en) | Broadband sound absorber | |
| US10160407B2 (en) | Noise insulation structure of automotive vehicle | |
| US2829915A (en) | Motor car bumpers | |
| US7971683B2 (en) | Acoustic protective panel for vehicle comprising an impregnated sealing layer | |
| JP2007515339A (en) | Multi-layer sound absorbing lightweight member especially for automobiles | |
| ES2542886T3 (en) | Car interior molding part for sound insulation and absorption | |
| KR101647186B1 (en) | Bulkhead sealing assembly | |
| US8382184B2 (en) | Sound absorption sheet for motor vehicles and engine under cover for motor vehicles using sound absorption sheet | |
| US20150034414A1 (en) | Sound insulation material | |
| KR101835442B1 (en) | Sound insulation improved floor carpet for vehicle | |
| US20140265413A1 (en) | Three-layer acoustic insulator | |
| US20100006372A1 (en) | Sound insulation component for a rigid structural member of an automobile | |
| US10077011B1 (en) | Vehicle underbody acoustic panels | |
| US20210024019A1 (en) | Wire harness arrangement structure | |
| FR2908550A1 (en) | Acoustic insulation screen for being mounted on motor vehicle bulkhead, has elastic layer covered with on sealed layer to form mass-spring type isolating system, and absorbent fiber layer having compressed zones compressed to thickness | |
| JP2006257993A (en) | Soundproof cover | |
| WO2019009156A1 (en) | Automobile belt line part sound insulation structure and automobile door glass | |
| JP6053127B2 (en) | Soundproof structure of door in vehicle | |
| US10919460B2 (en) | Vehicle | |
| CN105916736A (en) | Soundproofing element and motor vehicle | |
| JP2019085045A (en) | Fitting structure of door hole seal | |
| JP2003216158A (en) | Soundproofing material for vehicle | |
| US20130154302A1 (en) | Sealing element unit | |
| CN101862707A (en) | Low-noise rotor chamber for a centrifuge | |
| JP6734717B2 (en) | Noise reduction member for fender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
|
| RJ01 | Rejection of invention patent application after publication |