JP7157163B2 - 車両用吸音材 - Google Patents
車両用吸音材 Download PDFInfo
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- JP7157163B2 JP7157163B2 JP2020541011A JP2020541011A JP7157163B2 JP 7157163 B2 JP7157163 B2 JP 7157163B2 JP 2020541011 A JP2020541011 A JP 2020541011A JP 2020541011 A JP2020541011 A JP 2020541011A JP 7157163 B2 JP7157163 B2 JP 7157163B2
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- sound absorbing
- vehicle
- absorbing material
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- 239000011358 absorbing material Substances 0.000 title claims description 60
- 239000002657 fibrous material Substances 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 13
- 239000006260 foam Substances 0.000 claims description 5
- 239000004753 textile Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 18
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/04—4 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0257—Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/09—Reducing noise
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
なお、本願における車両用吸音材1は、ダッシュインシュレータ40及びカーペット42を含まないものとする。ダッシュインシュレータ40は、車室内の乗車空間とエンジンルームなどとの間に設けられ、搭乗者の目につきにくいために表皮106を備えておらず、一般的な大人の搭乗者の耳や口の位置から遠い位置に配置されているためである。また、カーペット42も、一般的な大人の搭乗者の耳や口の位置から遠い位置に配置されているためである。すなわち、ダッシュインシュレータ40及びカーペット42は、搭乗者の会話の明瞭性に対する影響度が相対的に低いと考えられている。
Claims (6)
- 車室内に取付られる車両用吸音材であって、
少なくとも繊維材と表皮材とが一体成形され、前記車室内の座席の背面に組付けられる本体部を備え、
前記本体部の少なくとも一部に設けられた吸音部は、
前部座席のヘッドレスト下面から下方への鉛直距離Elhが0.1~0.4mの範囲内で車室内に取り付けられるように形成され、通気抵抗AFR(Ns/m3)及び鉛直距離Elh(m)が、
210<AFR+10/Elh<3020
の関係を満たし、前記本体部の他の領域とは厚さが異なることによって前記関係を満たす通気抵抗AFRが設定されていること
を特徴とする車両用吸音材。 - 請求項1に記載の車両用吸音材において、
前記吸音部は、
前記繊維材の前記表皮材とは反対側に非通気性材が重ねられていること
を特徴とする車両用吸音材。 - 請求項1又は2に記載の車両用吸音材において、
前記吸音部は、
前記繊維材と前記表皮材との間に5mm以上15mm以下の厚さの発泡層を有すること
を特徴とする車両用吸音材。 - 請求項1~3のいずれか1項に記載の車両用吸音材において、
前記吸音部は、
1000Hz以上の吸音率が1000Hz未満の吸音率よりも高くされていること
を特徴とする車両用吸音材。 - 請求項1~4のいずれか1項に記載の車両用吸音材において、
少なくとも前記本体部は、
前記座席の背面の外観の一部を構成するように組付けられること
を特徴とする車両用吸音材。 - 請求項1~5のいずれか1項に記載の車両用吸音材において、
前記吸音部は、
上部の厚さよりも下部の厚さが厚くされていること
を特徴とする車両用吸音材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022161492A JP7304122B2 (ja) | 2018-09-07 | 2022-10-06 | 車両用吸音材 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018167670 | 2018-09-07 | ||
JP2018167670 | 2018-09-07 | ||
PCT/JP2019/018633 WO2020049797A1 (ja) | 2018-09-07 | 2019-05-09 | 車両用吸音材 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022161492A Division JP7304122B2 (ja) | 2018-09-07 | 2022-10-06 | 車両用吸音材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020049797A1 JPWO2020049797A1 (ja) | 2021-08-26 |
JP7157163B2 true JP7157163B2 (ja) | 2022-10-19 |
Family
ID=69721925
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020541011A Active JP7157163B2 (ja) | 2018-09-07 | 2019-05-09 | 車両用吸音材 |
JP2022161492A Active JP7304122B2 (ja) | 2018-09-07 | 2022-10-06 | 車両用吸音材 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022161492A Active JP7304122B2 (ja) | 2018-09-07 | 2022-10-06 | 車両用吸音材 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11945379B2 (ja) |
EP (1) | EP3848249A4 (ja) |
JP (2) | JP7157163B2 (ja) |
KR (1) | KR20210035889A (ja) |
CN (1) | CN112638717A (ja) |
MX (1) | MX2021002177A (ja) |
WO (1) | WO2020049797A1 (ja) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000516175A (ja) | 1996-10-29 | 2000-12-05 | リーテル オートモティブ(インターナショナル)アーゲー | 超軽量多機能遮音キット |
JP2003316366A (ja) | 2002-04-23 | 2003-11-07 | Suzuki Motor Corp | 吸音材及びその製造方法 |
JP2006160177A (ja) | 2004-12-10 | 2006-06-22 | Hayashi Engineering Inc | 路上走行自動車の吸音構造 |
JP2009126496A (ja) | 2007-11-28 | 2009-06-11 | Toyota Boshoku Corp | 車両用内装材及び車両用内装材の製造方法 |
US20100146758A1 (en) | 2007-09-06 | 2010-06-17 | Lear Corporation | Acoustically tuned seating assembly |
JP2011121549A (ja) | 2009-12-14 | 2011-06-23 | Honda Motor Co Ltd | 車両用隔壁 |
JP5426219B2 (ja) | 2009-04-13 | 2014-02-26 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
JP2015138055A (ja) | 2014-01-20 | 2015-07-30 | 名古屋油化株式会社 | 吸音性内装材 |
JP2017533142A (ja) | 2014-10-30 | 2017-11-09 | オートニアム マネジメント アクチエンゲゼルシャフトAutoneum Management AG | 軽量音響トリム部品 |
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JP4406871B2 (ja) | 2004-03-08 | 2010-02-03 | マツダ株式会社 | 自動車の吸音構造 |
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JP5056248B2 (ja) * | 2007-08-06 | 2012-10-24 | マツダ株式会社 | 吸音材を備えた吸音構造 |
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KR20170077985A (ko) | 2015-12-29 | 2017-07-07 | (주) 금토일산업 | 자동차 휠 가드용 흡·차음 시트 및 이의 제조방법 |
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2019
- 2019-05-09 EP EP19858613.3A patent/EP3848249A4/en active Pending
- 2019-05-09 US US17/270,651 patent/US11945379B2/en active Active
- 2019-05-09 JP JP2020541011A patent/JP7157163B2/ja active Active
- 2019-05-09 CN CN201980055640.3A patent/CN112638717A/zh active Pending
- 2019-05-09 MX MX2021002177A patent/MX2021002177A/es unknown
- 2019-05-09 WO PCT/JP2019/018633 patent/WO2020049797A1/ja active Application Filing
- 2019-05-09 KR KR1020217006042A patent/KR20210035889A/ko not_active Application Discontinuation
-
2022
- 2022-10-06 JP JP2022161492A patent/JP7304122B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000516175A (ja) | 1996-10-29 | 2000-12-05 | リーテル オートモティブ(インターナショナル)アーゲー | 超軽量多機能遮音キット |
JP2003316366A (ja) | 2002-04-23 | 2003-11-07 | Suzuki Motor Corp | 吸音材及びその製造方法 |
JP2006160177A (ja) | 2004-12-10 | 2006-06-22 | Hayashi Engineering Inc | 路上走行自動車の吸音構造 |
US20100146758A1 (en) | 2007-09-06 | 2010-06-17 | Lear Corporation | Acoustically tuned seating assembly |
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US20210245682A1 (en) | 2021-08-12 |
JPWO2020049797A1 (ja) | 2021-08-26 |
CN112638717A (zh) | 2021-04-09 |
MX2021002177A (es) | 2021-04-28 |
JP7304122B2 (ja) | 2023-07-06 |
EP3848249A1 (en) | 2021-07-14 |
WO2020049797A1 (ja) | 2020-03-12 |
JP2022191344A (ja) | 2022-12-27 |
KR20210035889A (ko) | 2021-04-01 |
EP3848249A4 (en) | 2022-06-08 |
US11945379B2 (en) | 2024-04-02 |
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