CN101126224A - Sound-proofing device - Google Patents
Sound-proofing device Download PDFInfo
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- CN101126224A CN101126224A CNA2006101675739A CN200610167573A CN101126224A CN 101126224 A CN101126224 A CN 101126224A CN A2006101675739 A CNA2006101675739 A CN A2006101675739A CN 200610167573 A CN200610167573 A CN 200610167573A CN 101126224 A CN101126224 A CN 101126224A
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- sound
- section components
- arrester
- insulation element
- sound arrester
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0011—Plank-like elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Thermistors And Varistors (AREA)
Abstract
The device (2) has a sound proofing unit (4) and a dimensionally stable support unit supporting the sound proofing unit, where the support unit is formed by a profile unit (6). The profile unit is composed of a fiber-reinforced material e.g. fiber-reinforced plastic, fiber-reinforced concrete and/or fiber-reinforced polymer concrete, where material of the profile unit is reinforced with glass fiber, metal fiber and/or aramid fiber.
Description
Technical field
The present invention relates to this manual alleged such one type sound arrester in the upperseat concept of claim 1.
Background technology
According to patent documentation, DE7801086U1 for example, DE-OS2339649, DE-OS2617386, DE-OS2360519, DE-OS2800529, DE2935745C2 and CH647027 generally know such sound arrester.It is used for provisional and nonvolatil noise elimination in the sound source scope.
According to DE19956669C2, the sound arrester of known a kind of described type, it has a flexible sound insulation element and the basicly stable supporting member of shape that is used for supporting the sound insulation element.The sound arrester of understanding from written document record has outstanding acoustic attenuation performance, can produce relatively simply, thereby with low cost.
Summary of the invention
Task of the present invention is, a kind of manual alleged sound arrester in the upperseat concept of claim 1 is provided, and its structure design gets more simple, thereby cost is lower.
Above-mentioned task is to solve by the way that proposes in claim 1.
Thinking of the present invention is, consider and keep the outstanding acoustic characteristics of flexible sound insulation element, if design the basicly stable supporting member of a kind of shape, with supporting sound insulation element, and can with or actual be connected with for example external support structure, then can abandon being used for for people are known clamping the anchor clamps of the element that insulates against sound in principle according to the present art.According to the present invention, supporting member is to constitute with the molded section components of a kind of pultrusion.
This section components can be made relatively simply, and with low cost, therefore, compares with known sound arrester, can obviously reduce production costs according to sound arrester of the present invention.Therefore, the way of theory also can be for those because the cost reason fails to use the application of sound arrester that sound arrester is provided so far according to the present invention.So the way of theory also is to avoid the major contribution that noise nuisance is made for the protection human health according to the present invention.
Prove surprisingly that also can be used in the place that influenced by high dynamic loading according to sound arrester of the present invention, for example high-speed railway is along the line.Sound arrester according to the present invention is suitable especially for this application scenario.On the one hand, can eliminate the noise especially effectively by flexible sound insulation element.On the other hand, the molded section components of pultrusion that constitutes the sound arrester supporting member according to the present invention can be born high static load and high dynamic loading.
Sound arrester according to the present invention integrates especially effectively acoustic attenuation performance and low especially manufacturing cost.
According to the present invention, the molded section components of pultrusion is interpreted as the section components made with the molded technology of pultrusion.The molded technology of pultrusion relate to a kind of in continuous running the technology of producd fibers reinforcing profile, particularly plastic material.Wherein, fortifying fibre is imported into a resin storage tank through a dip roll, and card Deere (Kadier) grid is arranged therebetween, and its effect is that fiber is distributed in afterwards the section bar on request.Fiber with for example synthetic resin dipping, is processed into the profile shapes of requirement in corresponding shaping station then in resin storage tank.Correspondingly satisfy some requirement if desired, can also be with some other reinforcing material, for example mat, fabric or supatex fabric add in the section bar.Then, according to the difference of material, for example under 100-200 ℃ temperature, section bar is placed in the template and hardens.After the sclerosis, can be by being breaking at the section components that the section bar bar that forms in the molded technology of pultrusion produces the length that meets the requirements.The superior especially part of the molded technology of pultrusion is that the section bar bar almost can reach random length.
According to the present invention, the basicly stable supporting member of shape should be understood to, and excessive skew takes place under acoustic load the element that is enough to avoid insulating against sound of the supporting member with so big shape stability.
Therefore, certain combination of the basicly stable supporting member of the flexible sound insulation element of predesignating amazing supporting role according to the present invention and the shape that play supporting role.According to the present invention, predesignate unique supporting member of planar design preferably, just enough in principle.But according to the present invention, also can predesignate two or more supporting members, its shape, size and quantity can be selected arbitrarily in wide limit according to requirement at that time.
Superior especially part according to sound arrester of the present invention is that the complete in principle available nonmetals of sound arrester are made.This not only can be used on the railway meaning along the line at sound arrester, and on the meaning of recycling, all is an advantage.
According to the present invention,, just enough in principle if sound arrester has a unique sound insulation element.But, according to requirement at that time, also can have at least two sound insulation elements available, its shape, size and quantity can be according at that time requirement in wide limit with interior any selection.
According to the present invention, the fiber reinforced material that section components is suitable for selecting for use, particularly fibre reinforced plastics and/or fibre reinforced concrete and and/or the fiber-reinforced polymer concrete make, wherein, the material of section components can preferentially be used glass fiber and/or metallic fiber and/or aramid fibre or enhancing, or strengthens as the congener of selecting the another kind formation of predesignating for use.This class material relative cost is low, and has high intensity.
The way of theory according to the present invention, another kind of preferable formation is predesignated, and it is that part is opened wide at least that the side that section components is injected at sound wave is designed to, and in a side of sound wave dorsad the bearing surface of a sound insulation element is arranged.On a such embodiment, sound wave appears on the flexible sound insulation element, and the flexible sound insulation element of result has kept outstanding acoustic characteristics.Since according to the present invention supporting member its dorsad a side of sound wave a sound insulation element bearing surface is arranged, thereby avoided the overmigrate of sound insulation element reliably.Therefore, the other anchor clamps of needs no longer in principle according to the present invention, original technology then needs such anchor clamps for this purpose.Because supporting member can be produced especially simply, and with low cost, so can accomplish according to the present invention, sound arrester structure of the present invention is simpler, and cost is lower, owing to adopted flexible sound insulation element, therefore has outstanding acoustic characteristics.
The way of theory according to the present invention, another kind of preferable further formation is predesignated, and section components has a kind of crimp at least in part on its free edge.Crimp for example can have, and particularly has one 90 ° inclination angle with respect to bearing surface.There is crimp can further improve the shape stability of supporting member.In addition, on the foregoing description, the sound insulation element can be bearing in one side of crimp or be bearing on the crimp.
The preferable further formation of another of the foregoing description is predesignated, and crimp is along lateral edges and/or the lower limb and/or the top edge extension of section components.On the foregoing description, the sound insulation element can the scope internal support of section components lateral edges in one side of crimp and/or at the scope internal support of section components lower limb on crimp.Also can in the scope of section components top edge, predesignate a corresponding crimp in principle.But if the top edge of section components and lower limb all do not design crimp, then supporting member is designed to have to a certain extent flexible.If the lateral edges at acoustic load effect lower sectional material member is that different reversing takes place vertical edge, because section components is flexible, the result makes section components only be subjected to very little load, thereby the very little stress of the inner only generation of section components.
In this sense, in order to make section components when having enough shape stabilities, reach certain flexible, another preferable further formation with embodiment of crimp is predesignated, and crimp is a U-shaped along the variation at supporting member edge basically.By this way, or on supporting member in the free edge scope, or in the bottom scope of free edge down, constitute a no crimp zone, so as to generation suit the requirements flexible.
The way of theory according to the present invention, another preferable further formation is predesignated, and section components is designed to be to have at sound wave injects the cross sectional shape that side is opened wide.Like this, sound wave appears on the whole surface of flexible sound insulation element basically, and the result is those advantages that still can keep obtaining flexible sound insulation element, particularly aspect outstanding acoustic characteristics.
Supporting member in principle can its dorsad a side of sound wave through hole or porose is arranged, just can as long as the sound insulation element obtains to support with bearing surface in the mode that suits the requirements.But, the way of theory according to the present invention, another kind of preferable further formation predesignates, section components its dorsad a side of sound wave be designed to seal or base closed.
The element that insulates against sound like this, has on the one hand obtained large-area support by bearing surface.On the other hand, can not be from a section components side joint of the sound wave element that closely insulates against sound dorsad, thereby for example can protect this side to avoid saboteur's malicious sabotage.
The way of theory according to the present invention, another kind of preferable further formation is predesignated, and supporting member is designed to flat or the shell shape basically.
The way of theory according to the present invention, in order further to improve the shape stability of section components, another kind of preferable further formation is predesignated, and section components has reinforcement material in the scope of bearing surface and/or in the scope of crimp.
The foregoing description another kind of further constitutes to be predesignated, and the reinforcement material that is additional to bearing surface is arranged in insulate against sound a dorsad side of element of bearing surface.Like this, in shape, size and quantitatively, reinforcement material has bigger degree of freedom.
In order to design reinforcement material simply, cheap, simultaneously effective again, another the further formation that has the embodiment of reinforcement material is predesignated, and it has a ribs and/or at least one reinforcing rib at least.
The sound insulation element can be fixedlyed connected with section components in principle.But, the way of theory according to the present invention, another kind of preferable further formation is predesignated, and sound insulation element and section components removably link together.On this embodiment, sound insulation element and section components can be separated from each other and transport, and just are connected to each other to on-the-spot.In addition, might under the situation that keeps supporting construction, change impaired sound insulation element on this embodiment.
Sound insulation element fixing on section components can be adopted any suitable mode and be carried out with any suitable fixture, for example fixes through any clamp connection.Wherein, sound insulation element can be fixed on the section components any appropriate location on.The way of theory according to the present invention, another kind of preferable further formation is predesignated, and the sound insulation element is fixed on the bearing surface.
For example, particularly as the preferable further formation of another kind predesignate, sound insulation element can be bonding with section components.In this way, sound insulation element with design being connected of supporting member simply especially.
The way of theory according to the present invention, another kind of preferable further formation is predesignated, and section components is designed to plane, and preferably extends to the whole spreading range of sound insulation element basically.
The sound insulation element of design according to the present invention, for example can utilize connection guide rail guide rail that be connected to each other, that make with flexible material to constitute by two, according to what DE19956669A1 understood, its content is included into present specification by reference as people.Flexible sound insulation element also can constitute alternatively, for example constitute by a kind of sound absorption filler that is contained in the foreskin that a textile material the most handy constitutes, wherein filler is made up of for example mineral wool, foamed material, certain pellet, plaster or lime or lime compound.
Description of drawings
The invention will be further described according to appended numerous schematic diagram below, is the embodiment according to a sound arrester of the present invention shown in the figure.Wherein, all feature itself or its combination mutually arbitrarily of that all are required, are described or the requirement of having the right that illustrates in the drawings, constituted object of the present invention, with they in the claims comprehensive or irrelevant, irrelevant with their expression or statements in manual or figure to their inner link.Among the figure:
The axle that Figure 1 shows that the sound arrester first embodiment schematic diagram character according to the present invention is surveyed front view;
Figure 2 shows that the rear elevation that adopts the sound arrester of same expression way according to Fig. 1;
Figure 3 shows that horizontal sectional view according to the sound arrester of Fig. 1;
Figure 4 shows that rear elevation according to the sound arrester of Fig. 1;
Figure 5 shows that front view according to the sound arrester of Fig. 1;
Figure 6 shows that a sectional view along VI-VI line among Fig. 4;
Figure 7 shows that with Fig. 1 and adopt the wall plate of same method for expressing by a plurality of sound-proof walls that are assembled according to the sound arrester of the present invention of Fig. 1;
Figure 8 shows that the wall plate that adopts same method for expressing with Fig. 2 according to Fig. 7;
Figure 9 shows that with Fig. 7 adopt same method for expressing by a plurality of sound-proof walls that are assembled according to the wall plate of Fig. 7;
Figure 10 shows that the sound-proof wall that adopts same method for expressing with Fig. 8 according to Fig. 9;
Figure 11 shows that the axonometric exploded view of sound arrester second embodiment according to the present invention;
Figure 12 shows that axonometric drawing according to the sound arrester confined state of Figure 11;
Shown in Figure 13 is by a plurality of horizontal sectional views of sound-proof wall in a post area that constitute according to the sound arrester of Figure 11, and
Figure 14 shows that lateral view according to the sound arrester of Figure 13.
Identical or relevant member adopts identical code name in the above accompanying drawing.
The specific embodiment
Figure 1 illustrates first embodiment of sound arrester 2 according to the present invention, it has a flexible sound insulation element 4 and the supporting member that shape is basicly stable, supporting members supports sound insulation element 4 is made of a molded section components 6 of pultrusion according to the present invention.
According to the present invention, the molded molded technology of section components 6 usefulness pultrusions of pultrusion is made, and material adopts glass fiber reinforced plastics in the present embodiment.In the present embodiment, section components is designed to the shell shape, and the side that sound wave is injected opens wide, and wherein, sound wave is injected direction and represented with an arrow in Fig. 1.
In element 4 side of sound wave dorsad that insulates against sound, section components 6 has a bearing surface, and bearing surface is to constitute on the rear wall 10 that seals together of section components 6 in the present embodiment.
On present embodiment, section components 6 has a crimp 12 and 14 respectively on edge and the lower limb thereon, and described crimp is with respect to the inclination angle of rear wall 10 into about 90 °.As can be seen from Figure 1, be equivalent to basically the to insulate against sound height of element 4 of the clear span between two crimps 12 and 14, described sound insulation element 4 is accommodated between narrow two crimps 12 and 14, and is bearing on the crimp 14.
In addition, on this embodiment, section components 6 has sidewall 16,18.In this enforcement, the clear span between the sidewall 16,18 is equivalent to the width of element 4 that insulates against sound basically, thereby the element 4 that insulates against sound is accommodated between the narrow sidewall 16,18.
Owing to adopted the molded technology of pultrusion, can only produce with this technology and to go up cross section in lead (longitudinal direction that is equivalent to section components 6 embodiment illustrated in fig. 1) and stablize constant section bar, therefore, sidewall constitutes with independent member, and is connected with section components 6 with suitable mode (for example using bonding mode).
Figure 2 shows that the rear elevation of sound insulation element 2.As can be seen from Figure 2, on this embodiment, section components 6 has a ribs 20 that lays along its longitudinal direction, and on present embodiment, it is stitched on the bar elements 6 in the molded process of pultrusion.In order can enough a kind of modes that will further specify below sound arrester 2 and an outside supporting construction to be coupled together, except ribs 20, for example excise with method for milling in the scope inscribe of the end 22,24 of longitudinal direction.The termination that ribs opens wide is sealed with corresponding backplate, can see a backplate 26 in Fig. 2.Backplate 26 can be for example bonding with ribs 20.
Figure 3 shows that a horizontal sectional view according to the sound arrester 2 of Fig. 1.As can be seen from Figure 3, sound arrester 2 is fixed on the external support structure in installation site shown in Figure 3, and this external support structure has two at side direction trusses 28,30 at a distance from each other in the present embodiment.As can be seen from Figure 3, trusses 28,30 has double T shape cross section.As can be seen from Figure 3, before sound arrester 2 being inserted between the trusses 28,30, must shorten ribs 20 at the two ends of section components 6.
Figure 4 shows that the rear elevation of sound insulation element 2.
Figure 5 shows that from the front view of the sound arrester 2 that the side promptly injected from sound wave is seen.
Figure 6 shows that a vertical cross-section according to the sound arrester 2 of Fig. 1.
The axle that Figure 7 shows that the wall plate 32 of the sound-proof wall that is made of trusses 28,30 is surveyed front view, between trusses 28,30, fixing vertically arranged sound arrester 2 and other several sound arresters of the present invention, among the figure only with one of them sound arrester of code name 2 ' represent.
The axle that Figure 8 shows that wall plate 32 is surveyed rear elevation.
Figure 9 shows that sound-proof wall 34 one, it is made of the wall plate 32 of several Fig. 7 that are arranged side by side, wherein except wall plate 32, have only among Fig. 9 code name be 32 ' another wall plate.
The axle that Figure 10 shows that wall plate 34 is surveyed the backsight view.
Comparison diagram 7 to 10 as can be seen, several sound arresters 2 of the present invention can be combined into the almost wall plate 32 and the sound-proof wall 34 of arbitrary dimension.
The principle of work and power of sound arrester 2 of the present invention is as follows:
Under the situation that influenced by sound wave, flexible sound insulation element 4 absorbs sound wave from the direction (comparison diagram 1) of arrow 8, and sound insulation element 4 is supported by section components 6, and is fixed on the trusses 28,30 of external support structure.For example sound arrester 2 is used for railway when along the line, and for example when a row bullet train crosses the air pressure wave that produce to impact sound insulation element 4, overmigrate takes place because of influenced on the sound wave direction of propagation by air pressure in the bearing surface of the rear wall by constituting section components 6 element 4 of can avoiding insulating against sound.In the present embodiment, by the combination of crimp and ribs 20, section components 6 can reach enough shape stabilities, is enough to afford to stand high static load and high dynamic loading.
Owing to used flexible sound insulation element 4, sound arrester 2 of the present invention has outstanding acoustic characteristics.In addition, it can be produced especially simply, and favourable on the price, and its reason mainly has been the molded section components of pultrusion used according to the invention.In addition, sound arrester 2 weight according to the present invention are light especially, can need not extra crane gear in principle during installation.
Figure 11 illustrates second embodiment of sound arrester 2 of the present invention, it and difference embodiment illustrated in fig. 1 are that it is to design for adapting to less dynamic loading.Correspondingly, on embodiment illustrated in fig. 11, omitted the ribs that designs for embodiment illustrated in fig. 1.
In addition, difference embodiment illustrated in fig. 11 and embodiment illustrated in fig. 1 is that flexible sound insulation element 4 is made of monoblock parts 36, and present embodiment adopts mineral fibers to make.In order to protect monoblock parts 36 to avoid saboteur's malicious sabotage, predesignated with entrant sound box loom fabric 38 stainless or that zinc-coated wire is made.For sound arrester 2 is installed, the box loom fabric 38 of band side crimp is pushed on the monoblock parts 36.Then sidewall 16 is bonded on the section components 6, and monoblock parts 36 are vertically inserted section components 6 together with box loom fabric 38, till it touches sidewall 16.Then can be bonding with section components 6 another sidewall 18.
Figure 12 shows that the embodiment under confined state according to Figure 11.
Figure 13 shows that a horizontal sectional view that passes sound-proof wall 40, sound-proof wall 40 is combined by a plurality of sound insulation elements 2 shown in Figure 11.Wherein, sound insulation element 2 and another sound insulation element 2 ' be fixed on the trusses 42 with double T shape cross section.Trusses 42 is connected with the section bar 44 of a T shape cross section, and section bar 44 is used for connecting the strut 46 from the sound-proof wall of ground supports formation as indicated above.
The embodiment of sound arrester of the present invention 2 shown in Figure 11 is particularly suitable for the noise elimination temporarily or permanently on the building site for example.
Claims (17)
1. have the sound arrester that flexible sound insulation element and being used for supports the basicly stable supporting member of the shape of sound insulation element, it is characterized in that supporting member is made of the molded section components of pultrusion (6).
2. sound arrester according to claim 1 is characterized in that, section components (6) use fiber reinforced material, particularly fibre reinforced plastics and/or fibre reinforced concrete and and/or the fiber-reinforced polymer concrete make.
3. sound arrester according to claim 2 is characterized in that, the material of section components (6) glass fiber and/or metallic fiber and/or aramid fibre or similar item enhancing.
4. according to claim 1,2 or 3 described sound arresters, it is characterized in that it is that part is opened wide at least that the side that section components (6) is penetrated intrusion at sound wave is designed to, the bearing surface of a sound insulation element (4) is arranged in a side of sound wave dorsad.
5. according to the described sound arrester of one of above-mentioned all claim, it is characterized in that section components (6) has a crimp (12,14) every one section at least on its free edge.
6. sound arrester according to claim 5 is characterized in that, crimp (12,14) is along lateral edges and/or the lower limb and/or the top edge extension of section components (6).
7. according to claim 5 or 7 described sound arresters, it is characterized in that crimp (12,14) is a U-shaped along the variation at the edge of section components (6) basically.
8. according to the described sound arrester of one of above-mentioned all claim, it is characterized in that section components (6) is designed to one and injects the section components that a side is opened wide at sound wave.
9. according to the described sound arrester of one of above-mentioned all claim, it is characterized in that section components (6) is designed to one and injects section components one side closed or base closed at sound wave.
10. according to the described sound arrester of one of above-mentioned all claim, it is characterized in that section bar-member (6) is designed to flat or the shell shape.
11., it is characterized in that section components (6) has reinforcement material according to the described sound arrester of one of above-mentioned all claim in the bearing surface scope and/or in the crimp scope.
12. sound arrester according to claim 11 is characterized in that, the reinforcement material that belongs to bearing surface is arranged in insulate against sound a dorsad side of element (4) of bearing surface.
13., it is characterized in that reinforcement material has a ribs (20) and/or at least one reinforcing rib at least according to claim 11 or 12 described sound arresters.
14., it is characterized in that sound insulation element (4) removably links together with section components (6) according to the described sound arrester of one of above-mentioned all claim.
15., it is characterized in that sound insulation element (4) is fixed on the bearing surface according to the described sound arrester of one of above-mentioned all claim.
16., it is characterized in that sound insulation element (4) is bonding with section components (6) according to the described sound arrester of one of above-mentioned all claim.
17., it is characterized in that section components (6) is designed to plane according to the described sound arrester of one of above-mentioned all claim, and preferably extend to the whole spreading range of sound insulation element (4) basically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06017030A EP1889975A1 (en) | 2006-08-16 | 2006-08-16 | Sound-proofing device |
| EP06017030.5 | 2006-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126224A true CN101126224A (en) | 2008-02-20 |
| CN101126224B CN101126224B (en) | 2018-04-06 |
Family
ID=37603152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610167573.9A Active CN101126224B (en) | 2006-08-16 | 2006-12-22 | Sound arrester |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1889975A1 (en) |
| CN (1) | CN101126224B (en) |
| TW (1) | TW200811334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408447A (en) * | 2015-02-27 | 2017-11-28 | 西门子公司 | For reducing the arrangement of the noise radiation from liquid-cooled transformer or choke coil |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT507004B1 (en) * | 2008-06-27 | 2010-11-15 | Brunbauer Wolfgang Dipl Ing | NOISE WALL |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438171A (en) * | 1992-01-22 | 1995-08-01 | Carsonite International Corporation | Composite sound wall |
| CN1773038A (en) * | 2005-09-30 | 2006-05-17 | 北京市伟力达科技贸易公司 | A new material sound absorption, insulation common sound shielding and producing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1009264C2 (en) * | 1998-05-26 | 1999-11-29 | Mostert De Winter B V | Soundproof wall for installation along a railway or traffic road. |
| ES2263297T3 (en) * | 1998-10-06 | 2006-12-01 | Rohm Gmbh | SUITABLE PLATE AS AN ACOUSTIC PROTECTION WALL. |
| DE19906989A1 (en) * | 1999-02-19 | 2000-09-14 | Roehm Gmbh | Noise barrier segment |
| JP2004062074A (en) * | 2002-07-31 | 2004-02-26 | Toyota Motor Corp | Sound absorbing equipment |
| EP1445381A1 (en) * | 2003-02-06 | 2004-08-11 | Placo S.r.l. | Noise-suppression barrier |
-
2006
- 2006-08-16 EP EP06017030A patent/EP1889975A1/en not_active Withdrawn
- 2006-12-22 CN CN200610167573.9A patent/CN101126224B/en active Active
-
2007
- 2007-03-09 TW TW096108153A patent/TW200811334A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438171A (en) * | 1992-01-22 | 1995-08-01 | Carsonite International Corporation | Composite sound wall |
| CN1773038A (en) * | 2005-09-30 | 2006-05-17 | 北京市伟力达科技贸易公司 | A new material sound absorption, insulation common sound shielding and producing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107408447A (en) * | 2015-02-27 | 2017-11-28 | 西门子公司 | For reducing the arrangement of the noise radiation from liquid-cooled transformer or choke coil |
| CN107408447B (en) * | 2015-02-27 | 2019-04-16 | 西门子公司 | For reducing the arrangement of the noise radiation from liquid-cooled transformer or choke coil |
| US10777350B2 (en) | 2015-02-27 | 2020-09-15 | Siemens Aktiengesellschaft | Arrangement for reducing radiation of noise from liquid-cooled transformers or chokes |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200811334A (en) | 2008-03-01 |
| CN101126224B (en) | 2018-04-06 |
| EP1889975A1 (en) | 2008-02-20 |
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