WO2006080150A1 - 二重壁構造体 - Google Patents
二重壁構造体 Download PDFInfo
- Publication number
- WO2006080150A1 WO2006080150A1 PCT/JP2005/022826 JP2005022826W WO2006080150A1 WO 2006080150 A1 WO2006080150 A1 WO 2006080150A1 JP 2005022826 W JP2005022826 W JP 2005022826W WO 2006080150 A1 WO2006080150 A1 WO 2006080150A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall structure
- plate
- double wall
- double
- sound
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 29
- 238000013016 damping Methods 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 15
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 230000005855 radiation Effects 0.000 description 9
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 6
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 3
- CONKBQPVFMXDOV-QHCPKHFHSA-N 6-[(5S)-5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-2-oxo-1,3-oxazolidin-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C[C@H]1CN(C(O1)=O)C1=CC2=C(NC(O2)=O)C=C1 CONKBQPVFMXDOV-QHCPKHFHSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0412—Lower door structure
- B60J5/0418—Water or sound barrier, e.g. watershields or seals between dry/wet compartment, sound or vibration dampers
-
- 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
-
- 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
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Definitions
- the present invention relates to a double wall structure.
- the double wall structure of the conventional example has a hollow box shape in which an internal chamber is formed between plate-like bodies facing each other at a predetermined distance, and the internal chamber is closed by a side plate. It is configured (bag structure).
- bag structure In the double wall structure, when a sound wave of noise including a sound component having a specific frequency is incident from below, the sound component resonates in the internal chamber (mainly in a direction parallel to the plate-like body). Resonance) occurs. As a result, the amplitude of the upper plate-shaped body, which is the radiation surface, increased, and the sound insulation performance decreased due to the increase in radiated sound. In the resonance state, the sound pressure is particularly high near the side plate.
- An object of the present invention is to provide a double wall structure capable of suppressing deterioration of sound transmission loss with respect to sound of a specific frequency and exhibiting sound insulation performance stably for sound of various frequencies. is there.
- the double wall structure according to the present invention has the following basic configuration and effects.
- a double wall structure in which an inner chamber is formed between opposing plate-like bodies and the inner chamber is completely or substantially closed.
- a double-wall structure in which a porous plate having a large number of holes is arranged between the plate-like bodies, and an air layer is interposed between the porous plate and a peripheral member of the double-wall structure.
- the sound absorption mechanism formed by the space between the perforated plate and the surrounding member can effectively reduce the sound pressure near the surrounding member and suppress the resonance of the entire internal chamber.
- the sound pressure in the inner chamber is reduced and the excitation force on the radiation surface side is reduced, so that the vibration on the radiation surface is reduced and sound transmission loss can be improved.
- the hole diameter, plate thickness, aperture ratio, air layer of the perforated plate By adjusting the thickness, an arbitrary frequency can be suppressed particularly effectively.
- the perforated plate may be disposed so as to be inclined with respect to the surrounding member.
- the double wall structure it is preferable that a plurality of the perforated plates are provided, and an air layer is interposed between the perforated plates.
- the perforated plate is provided such that an end portion thereof is in contact with the peripheral member, and a hole is formed in the peripheral member near the contacted end portion. May be. The presence of this hole maintains the state in which the internal chamber of the double wall structure is almost closed.
- the double wall structure preferably includes a partition that partitions a space between the perforated plate and the peripheral member.
- the porous plate of the double wall structure at least one of the plate thickness, the hole diameter of the hole, the opening ratio of the hole, and the thickness of the air layer is used as the partition body. It may be different for each space to be cut. If the thickness of the air layer is not uniform in each partitioned space, the representative thickness (for example, average thickness) of the air layer may be different for each space partitioned by the partition body. Further, when a hole is provided in the partition body, at least any of the member thickness, the hole diameter of the hole, and the opening ratio of the hole is used. One of them may be made different for each space partitioned by the partition body.
- the sound absorbing structure composed of the perforated plate and the surrounding member can exhibit sound absorbing performance at a desired frequency, and can provide a double wall structure having particularly good sound insulating performance.
- a vibration damping and vibration isolating member is disposed between the perforated plate and at least one of the opposing plate-like bodies.
- a foil-like body or a film-like body in which one or a plurality of layers are stacked may be disposed.
- the sound pressure in the vicinity of the surrounding member can be reduced by the sound absorbing mechanism formed by the space (air layer) between the foil-like body or the film-like body and the surrounding member,
- the resonance of the entire internal chamber can be suppressed.
- the sound pressure in the inner chamber is reduced and the excitation force on the radiation surface side is reduced, so that vibration on the radiation surface is reduced and sound transmission loss can be improved.
- a structure having excellent sound insulation can be obtained.
- a double wall structure in which an internal chamber is formed between opposing plate-like bodies and the internal chamber is completely or substantially closed.
- a double wall structure is provided in which a porous body is disposed in the vicinity of a surrounding member of the heavy wall structure.
- the porous body can reduce the sound pressure in the vicinity of the surrounding member, and can suppress the resonance of the entire internal chamber.
- the sound pressure in the inner chamber is reduced and the excitation force on the radiation surface side is reduced, so that the vibration on the radiation surface is reduced.
- sound transmission loss can be improved.
- a structure having excellent sound insulation can be obtained.
- FIG. 1 is a schematic perspective view of Example 1-1 of the double wall structure of the present invention.
- FIG. 2 is a schematic diagram of Example 1-1.
- FIG. 3 is a schematic diagram of Example 1-2.
- FIG. 4 is a schematic diagram of Example 1-3.
- FIG. 5 is a schematic diagram of Example 1-4-1.
- FIG. 6 is a schematic diagram of Example 1-4-2.
- FIG. 7 is a schematic diagram of Example 2-1.
- FIG. 8 is a schematic diagram of Example 2-2-1.
- FIG. 9 is a schematic diagram of Example 2-2-2.
- FIG. 10 is a schematic diagram of Example 2-3-1.
- FIG. 12 is a schematic diagram of Example 2-4.
- FIG. 13 is a schematic sectional view of Example 3-1-1.
- FIG. 14 is a schematic sectional view of Example 3-1-2.
- FIG. 15 is a schematic diagram of Example 4-1.
- FIG. 17 is a graph showing the sound transmission suppression effect of Examples 1-1 to 1-3 in comparison with the conventional example.
- FIG. 18 is a graph showing the sound transmission suppression effect of Examples 2-1, 2-2-1, 2-3-1 and 2_3_2 in comparison with the conventional example.
- FIG. 19 is a graph showing the sound transmission suppression effect of Examples 4-1 and 5-1 in comparison with the conventional example.
- the double wall structure of Example 1-1 whose schematic diagram is shown in Fig. 1 and Fig. 2, assumes a door as a passenger car part.
- the double wall structure 1 includes plate-like bodies 2 and 3 which are arranged in parallel to each other and face each other at a predetermined distance.
- the plate-like bodies 2 and 3 are formed in a rectangular shape that is slightly longer in one direction, and an internal chamber 4 is formed between the two opposing plate-like bodies 2 and 3.
- Four side plates (surrounding members) 5 are provided so as to connect the edges of the plate-like bodies 2 and 3 As a result, the inner chamber 4 is almost closed.
- the double wall structure 1 of the present embodiment is configured in a bag structure surrounding the inner chamber 4 with the plate-like bodies 2 and 3 that are double walls and the side plate 5.
- a rectangular porous micro-porous plate 13 is provided so as to partition the internal chamber 4.
- Each fine porous plate 13 has a structure in which a large number of fine through holes (micro holes 8) are formed.
- four microporous plates 13 are arranged in a rectangular shape, and the inner chamber 4 of the double wall structure 1 is divided into two spaces on the center side and on the peripheral side close to the side plate 5. It is partitioned.
- each microporous plate 13 is arranged in parallel with a predetermined interval with respect to the four side plates 5, and the microporous plate 13 and the side plate 5 are spaced by the interval. Thick air layer A is interposed.
- a material of the fine porous plate 13 for example, iron, aluminum, resin, fiber reinforced composite material, paper, or the like can be adopted.
- the fine porous plate 13 is installed in the vicinity of one of the four side plates 5 of the double wall structure 1.
- the fine porous plate 13 is disposed so as to be inclined with respect to the side plate 5 so as to be substantially V-shaped in FIG.
- a triangular air layer A is formed between the fine porous plate 13 and the side plate 5.
- the air layer A is arranged at the corner portion (corner portion) where the sound pressure is particularly high in the resonance mode, and the sound pressure at a part of the corner can be reduced well.
- the fine porous plate 13 is disposed so as to be inclined with respect to the side plate 5, resonance in all directions in the inner chamber 4 can be suppressed, and the sound insulation of the double wall structure 1 is improved. be able to.
- Example 1-3 In the configuration of Example 1-3 (Fig. 4), a microporous plate 13 is used in comparison with the configuration of Example 1-2 (Fig. 3). In addition, a plurality of fine porous plates 13 and 13 are arranged in parallel, and a gap in the thickness direction is formed between the fine porous plates 13 and 13. As a result, the air layer B is interposed between the fine porous plates 13 and 13. That is, in Example 1-3, two air layers are formed, that is, an air layer A between the fine porous plate 13 and the side plate 5 and an air layer B between the fine porous plates 13 and 13. Therefore, the resonance suppression effect can be further increased.
- Example 1-4-1 (Fig. 5) is the same as that of Example 1-2 (Fig. 3) in which the microporous plate 13 is disposed in an inclined manner, but the microporous plate 13 is microporous.
- a hole 10 is formed near the end of the plate 13. This hole 10 makes it possible to easily discharge foreign matters such as dust and water that have entered the inner chamber 4.
- the hole 10 is provided in a portion of the side plate 5 that does not face the air layer A, the sound absorbing action by the air layer A is not disturbed.
- the hole 10 is formed in the side plate 5 with the end portion of the microporous plate 13 in contact with the side plate 5.
- the end portion of the fine porous plate 13 is not necessarily in contact with the side plate 5. That is, even if the end portion of the fine porous plate 13 is separated from the side plate 5, if the hole 10 is formed in the side plate 5 at a portion not facing the fine porous plate 13, the sound absorption effect by the air layer A can be reduced. In addition, it is possible to achieve both the discharge of foreign matter such as dust and water entering the inner chamber 4. In addition, as shown in Example 1-4-2 (FIG. 6), it is acceptable to arrange the fine porous plate 13 in a substantially W shape and form two holes 10. Thus, the inclined shape of the fine porous plate 13 and the number of holes 10 are not limited.
- Example 2-1 is a modification of Example 1-1 (FIGS. 1 and 2), and is a plate-like partition that connects the side plate 5 and the microporous plate 13.
- the partition body 9 partitions the air layer A interposed between the side plate 5 and the fine porous plate 13 in the longitudinal direction and the width direction of the double wall structure 1. It is preferable to provide the partition member 9 at a position where the resonance phenomenon in the extending direction that occurs in the air layer between the microporous plate 13 and the side plate 5 does not easily occur at a desired frequency. That is, the partitions 9 are provided at intervals that do not coincide with an integral multiple of half the wavelength with respect to the frequency for which sound insulation is desired to be improved.
- the partition 9 is used for partitioning in order to improve sound absorption performance at the target frequency.
- the hole diameter and aperture ratio of the fine holes 8 may be varied or the thickness of the fine porous plate 13 may be varied for each space.
- the partition body 9 is not limited to a plate shape.
- the partition body may be composed of a reinforcing foaming agent formed in a lump shape.
- Example 2-2-1 corresponds to a combination of Example 1-2 (Fig. 3) and Example 2-1 (Fig. 7).
- the thickness (average thickness) of the air layer A between the fine porous plate 13 and the side plate 5 is varied for each space surrounded by the partition 9.
- the holes 10 may be formed in the side plate 5 in the same manner as in Example 1-4-1.
- Example 2-3-1 corresponds to a combination of Example 1-3 (Fig. 4) and Example 2-2-1 (Fig. 8).
- the partition body 9 is installed so as to partition both the two air layers A and B.
- Example 2-3-2 (Fig. 11) is different from Example 2-1 (Fig. 7) in that a plurality of microporous plates 13 and 13 are provided in the thickness direction, and an air layer B is interposed therebetween. Is modified so that
- Example 2-4 (Fig. 12) is obtained by forming a large number of fine holes 8 in the partition body 9 of Example 2-1 (Fig. 7).
- FIG. 13 shows a cross-sectional view of the double wall structure 1 of Example 3-1-1.
- the fine porous plate 13 cannot contact the plate-like body 2 on the excitation side or the plate-like body 3 on the opposite side with complete airtightness, and a certain amount of gap (slit) is formed. May end up. Since it is preferable that there is no such slit, in this embodiment, a vibration damping / vibration member 16 made of a member such as rubber or urethane is provided in a portion corresponding to the slit. As a result, the sound absorbing performance of the sound absorbing mechanism can be improved. As shown in Example 3-1-2 (FIG.
- the vibration damping member 16 is provided between the microporous plate 13 and only one of the two plate-like bodies 2 and 3. It may be done. If the slit is a fine gap, the vibration damping member 16 can be omitted, and the slit itself can have a sound absorbing effect.
- Example 4-1 (Fig. 15) is a composite of the fine porous plate 13 in Example 2-2-1 (Fig. 8).
- Several foil-like bodies or film-like bodies 14 are provided.
- the foil-like body or the film-like body 14 is formed with a large number of fine holes 8 in order to improve sound absorption. However, the fine holes 8 may be omitted. Les. Further, the foil-like body or the film-like body may be installed as a single sheet without being laminated.
- Example 5-1 two porous bodies 15 and 15 are arranged in the vicinity of the side plate 5 of the double wall structure 1.
- the material of the porous body 15 in addition to glass wool felt, for example, PET fiber, polyurethane, or open cell foam can be used.
- the porous body 15 is formed in a triangular shape, and each is disposed at two corners on one side of the inner chamber 4 so as to be in contact with the side plate 5.
- the shape and arrangement of the porous body 15 are not limited to the above. In this configuration, the sound pressure during resonance of the entire inner chamber 4 can be reduced by focusing sound absorption on the part where the sound pressure is particularly high (around the side plate 5, especially near the corner of the inner chamber 4). Sound transmission loss can be improved.
- Example 1-1 Double structure of 1-3, 2-1, 2-2-1, 2-3-1, 2-3-2, 4-1, 5-1 Wall structure 1 was installed between the two rooms in the reverberation room consisting of the sound source room and the sound receiving room. Based on JIS A1416 (ISO 140-3, 140-1), appropriate noise is generated from one side of the double wall structure 1, and sound is measured using a sound level meter on both sides of the double wall structure 1. The sound transmission loss was calculated by measuring the pressure.
- JIS A1416 ISO 140-3, 140-1
- FIGS. Each of these graphs also shows the results of a similar experiment performed on the structure of the conventional example.
- the sound transmission loss is improved due to the suppression of the resonance mode by the microporous plate 13. It has the ability to improve sound insulation performance.
- the configurations of Examples 2-1, 2-2-1, 2-3-1, 2_3_2 (Fig. 18) and the configurations of Examples 4-1, 5-1 (Fig. 19) are similarly fine.
- the sound transmission loss is improved and the sound insulation performance is improved by the resonance mode suppression effect by the porous plate 13 and the porous body 15. I understand.
- the double wall structure of the present invention can be applied not only to a door of a passenger car, but also to, for example, a hood or a trunk.
- the shape of the plate-like bodies 2 and 3 is not limited to the rectangular shape as described above, but can be variously changed according to the shape of the required component.
- the direction and order of the sound pressure mode in which resonance occurs varies depending on various circumstances such as the shape of the double-wall structure 1 and the positional relationship with the noise source.
- the number of sheets, the number of fine holes 8, the hole diameter, the shape, the aperture ratio, etc. may be appropriately determined in consideration of the above circumstances. That is, where and how many fine porous plates 13 and porous bodies 15 are provided, considering the resonance mode in the inner chamber 4 of the double wall structure 1 due to the assumed noise, What is necessary is just to determine a number.
- the fine holes 8 provided in the fine porous plate 13, the partition 9, the foil-like body, or the film-like body 14 in the plurality of embodiments described above increase the pore diameter and cannot be said to be “fine”.
- the double wall structure 1 is applied to a door for a passenger car, it is assumed that various devices and reinforcing materials are arranged in the inner chamber 4, so that the microporous plate 13 is located at a position avoiding that.
- the porous body 15 may be provided.
- the fine porous plate 13 and the porous body 15 described above may be provided on the entire periphery of the side plate 5 or only on a part thereof.
- the microporous plate 13 of Example 1-2 (FIG. 3) has a force that is provided so that the air layer A is interposed only between one of the four side plates 5 of the inner chamber 4. You can arrange it to surround the circumference.
- the fine porous plate 13 and the partition 9 are installed in a direction perpendicular to the plate-like bodies 2, 3, but the present invention is not limited to this, and the plate-like bodies 2, 3 A fine porous plate 13 or a partition 9 may be installed so as to be inclined with respect to the surface.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/795,154 US20080128200A1 (en) | 2005-01-27 | 2005-12-13 | Double-Wall Structure |
DE112005003394.5T DE112005003394B4 (de) | 2005-01-27 | 2005-12-13 | Automobilteil mit einer Doppelwandstruktur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-019017 | 2005-01-27 | ||
JP2005019017A JP4754836B2 (ja) | 2005-01-27 | 2005-01-27 | 二重壁構造体 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006080150A1 true WO2006080150A1 (ja) | 2006-08-03 |
Family
ID=36740184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/022826 WO2006080150A1 (ja) | 2005-01-27 | 2005-12-13 | 二重壁構造体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080128200A1 (ja) |
JP (1) | JP4754836B2 (ja) |
DE (1) | DE112005003394B4 (ja) |
WO (1) | WO2006080150A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006027936A1 (ja) * | 2004-09-03 | 2006-03-16 | Kabushiki Kaisha Kobe Seiko Sho | 二重壁構造体 |
JP2007069816A (ja) * | 2005-09-08 | 2007-03-22 | Kobe Steel Ltd | 二重壁構造体 |
CN101460993B (zh) * | 2006-07-20 | 2011-10-05 | 株式会社神户制钢所 | 固体音降低构造 |
JP5326472B2 (ja) * | 2007-10-11 | 2013-10-30 | ヤマハ株式会社 | 吸音構造 |
EP2085962A2 (en) * | 2008-02-01 | 2009-08-05 | Yamaha Corporation | Sound absorbing structure and vehicle component having sound absorbing properties |
US20090223738A1 (en) * | 2008-02-22 | 2009-09-10 | Yamaha Corporation | Sound absorbing structure and vehicle component having sound absorption property |
DE102008037143A1 (de) * | 2008-08-08 | 2010-02-11 | Airbus Deutschland Gmbh | Isolationsaufbau zum thermischen und akustischen Isolieren eines Luftfahrzeugs |
JP2012133260A (ja) * | 2010-12-24 | 2012-07-12 | Kyocera Document Solutions Inc | 画像形成装置 |
JP5918662B2 (ja) | 2012-09-04 | 2016-05-18 | 株式会社神戸製鋼所 | 多孔吸音構造 |
US9630575B2 (en) * | 2015-09-30 | 2017-04-25 | GM Global Technology Operations LLC | Panel assembly with noise attenuation system |
WO2018043489A1 (ja) * | 2016-08-31 | 2018-03-08 | 富士フイルム株式会社 | 防音構造、及び防音システム |
CN109690669B (zh) * | 2016-09-13 | 2020-06-19 | 富士胶片株式会社 | 防音结构及防音系统 |
KR101973022B1 (ko) * | 2017-09-13 | 2019-04-26 | 한국기계연구원 | 흡음 셀 및 이를 포함하는 흡음 구조체 |
DE102019002157B4 (de) * | 2019-03-26 | 2023-03-02 | Stefanie Gernert | Wand zur tieffrequenten und breit-frequenzbandingen, massiven schalldämpfung flächig einfallenden schalls |
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- 2005-12-13 WO PCT/JP2005/022826 patent/WO2006080150A1/ja not_active Application Discontinuation
- 2005-12-13 US US11/795,154 patent/US20080128200A1/en not_active Abandoned
- 2005-12-13 DE DE112005003394.5T patent/DE112005003394B4/de not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP4754836B2 (ja) | 2011-08-24 |
DE112005003394T5 (de) | 2008-01-03 |
US20080128200A1 (en) | 2008-06-05 |
DE112005003394B4 (de) | 2018-11-15 |
JP2006208617A (ja) | 2006-08-10 |
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