CN1809871B - 吸声器 - Google Patents
吸声器 Download PDFInfo
- Publication number
- CN1809871B CN1809871B CN2004800147335A CN200480014733A CN1809871B CN 1809871 B CN1809871 B CN 1809871B CN 2004800147335 A CN2004800147335 A CN 2004800147335A CN 200480014733 A CN200480014733 A CN 200480014733A CN 1809871 B CN1809871 B CN 1809871B
- Authority
- CN
- China
- Prior art keywords
- sound absorber
- range
- woven fabric
- nonwoven fabric
- applying
- 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.)
- Expired - Lifetime
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Images
Classifications
-
- 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
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- 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
- G10K11/162—Selection of materials
-
- 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
- B60R13/0884—Insulating elements, e.g. for sound insulation for mounting around noise sources, e.g. air blowers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
| 对照例 | 层厚 [mm] | 密度 [kg/m<sup>3</sup>] | 面密度 [kg/m<sup>2</sup>] | 流阻 [kNs/m<sup>4</sup>] | |
| 面向声源的侧面 | 无纺织物1 | 5 | 50 | 0.25 | 20 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 1 | |||
| 例1 | |||||
| 面向声源的侧面 | 无纺织物1 | 5 | 100 | 0.5 | 74 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 1.25 | |||
| 例2 | |||||
| 面向声源的侧面 | 无纺织物1 | 5 | 150 | 0.75 | 120 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 1.5 | |||
| 例3 | |||||
| 面向声源的侧面 | 无纺织物1 | 5 | 200 | 1 | 250 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 1.75 | |||
| 例4 | |||||
| 面向声源的侧面 | 无纺织物1 | 5 | 250 | 1.25 | 350 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 2 | |||
| 例5 | |||||
| 面向声源的侧面 | 无纺织物1 | 5 | 300 | 1.5 | 500 |
| 背离声源的侧面 | 无纺织物2 | 15 | 50 | 0.75 | 20 |
| 总值: | 20 | 2.25 |
Claims (26)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10324257A DE10324257B3 (de) | 2003-05-28 | 2003-05-28 | Schallabsorber, Verfahren zur Herstellung, und Verwendung |
| DE10324257.0 | 2003-05-28 | ||
| US10/747,763 US7137477B2 (en) | 2003-05-28 | 2003-12-29 | Sound absorbers |
| US10/747,763 | 2003-12-29 | ||
| PCT/EP2004/005652 WO2004107314A1 (de) | 2003-05-28 | 2004-05-26 | Schallabsorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1809871A CN1809871A (zh) | 2006-07-26 |
| CN1809871B true CN1809871B (zh) | 2010-08-11 |
Family
ID=32921167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004800147335A Expired - Lifetime CN1809871B (zh) | 2003-05-28 | 2004-05-26 | 吸声器 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7137477B2 (zh) |
| CN (1) | CN1809871B (zh) |
| DE (1) | DE10324257B3 (zh) |
Families Citing this family (82)
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| US7696112B2 (en) | 2005-05-17 | 2010-04-13 | Milliken & Company | Non-woven material with barrier skin |
| US7428803B2 (en) | 2005-05-17 | 2008-09-30 | Milliken & Company | Ceiling panel system with non-woven panels having barrier skins |
| US7651964B2 (en) | 2005-08-17 | 2010-01-26 | Milliken & Company | Fiber-containing composite and method for making the same |
| US7605097B2 (en) | 2006-05-26 | 2009-10-20 | Milliken & Company | Fiber-containing composite and method for making the same |
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| DE19812925A1 (de) | 1998-03-24 | 1999-09-30 | Asota Gmbh | Dreidimensionale, formstabile Formteile auf Basis von strukturierten Nadelvliesen |
| DE19821532A1 (de) | 1998-05-14 | 1999-11-25 | Hp Chemie Pelzer Res & Dev | Wärme- und schalldämmende Verkleidung für den Motorraum von Kraftfahrzeugen sowie ein Verfahren zu dessen Herstellung |
| US6220388B1 (en) * | 2000-01-27 | 2001-04-24 | Strandtek International, Inc. | Acoustical insulation panel |
| ES2220701T3 (es) * | 2000-02-10 | 2004-12-16 | Rieter Automotive (International) Ag | Bandeja de maletero posterior con propiedades acusticas. |
| US6659223B2 (en) * | 2001-10-05 | 2003-12-09 | Collins & Aikman Products Co. | Sound attenuating material for use within vehicles and methods of making same |
-
2003
- 2003-05-28 DE DE10324257A patent/DE10324257B3/de not_active Expired - Lifetime
- 2003-12-29 US US10/747,763 patent/US7137477B2/en not_active Expired - Lifetime
-
2004
- 2004-05-26 CN CN2004800147335A patent/CN1809871B/zh not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131664A (en) * | 1977-09-28 | 1978-12-26 | Allen Industries, Inc. | Method of making a multiple-density fibrous acoustical panel |
| US4283457A (en) * | 1979-11-05 | 1981-08-11 | Huyck Corporation | Laminate structures for acoustical applications and method of making them |
| CN1235578A (zh) * | 1996-10-29 | 1999-11-17 | 里特汽车国际有限公司 | 超轻、多功能、隔声组合件 |
| CN2460618Y (zh) * | 2001-01-18 | 2001-11-21 | 申国强 | 一种隔音板 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10324257B3 (de) | 2004-09-30 |
| US20040238275A1 (en) | 2004-12-02 |
| US7137477B2 (en) | 2006-11-21 |
| CN1809871A (zh) | 2006-07-26 |
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