WO2013035614A1 - 吸気ダクト - Google Patents
吸気ダクト Download PDFInfo
- Publication number
- WO2013035614A1 WO2013035614A1 PCT/JP2012/071959 JP2012071959W WO2013035614A1 WO 2013035614 A1 WO2013035614 A1 WO 2013035614A1 JP 2012071959 W JP2012071959 W JP 2012071959W WO 2013035614 A1 WO2013035614 A1 WO 2013035614A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- intake duct
- air
- layers
- intake
- tube wall
- 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.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/08—Corrugated paper or cardboard
-
- 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
- B32B5/022—Non-woven fabric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10314—Materials for intake systems
- F02M35/10321—Plastics; Composites; Rubbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1272—Intake silencers ; Sound modulation, transmission or amplification using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1277—Reinforcement of walls, e.g. with ribs or laminates; Walls having air gaps or additional sound damping layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1283—Manufacturing or assembly; Connectors; Fixations
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1288—Intake silencers ; Sound modulation, transmission or amplification combined with or integrated into other devices ; Plurality of air intake silencers
Definitions
- the present invention relates to an intake duct, and more particularly, to an intake duct that reduces intake noise generated when external air is introduced into an internal combustion engine or an alternative power engine.
- a resonator is provided in the intake passage to reduce intake noise generated in the intake system, and Helmholtz resonance It is known that various intake ducts that reduce intake noise in addition to reducing noise at a specific frequency calculated based on theory and the like are employed.
- the air intake duct described in Patent Document 1 has a tube wall formed into a tubular shape by resin, and in the air intake duct for introducing outside air into the internal combustion engine, the tube wall includes a water repellent layer made of high-density fibers and A waterproof and moisture permeable member laminated with a waterproof and moisture permeable layer made of a microporous membrane is provided.
- the air intake duct described in Patent Document 1 configured as described above has a waterproof and moisture permeable layer on the pipe wall of the air intake duct formed in a tubular shape. Intrusion can be prevented. In addition, the intake noise can be reduced by the sound absorbing action of the waterproof and moisture permeable layer made of a microporous membrane.
- the present invention has been made in view of the above problems, and a main object thereof is to provide an intake duct capable of sufficiently exhibiting an intake noise attenuation effect.
- An intake duct according to the present invention has a tube wall formed in a tubular shape by a resin, and in the intake duct for introducing outside air into an internal combustion engine or an alternative power engine, the tube wall is impregnated with a thermosetting resin in a nonwoven fabric.
- at least a pair of the air flow adjusting layers are laminated between the skin layers, and an intermediate layer made of the same material as the skin layers is sandwiched between the pair of air flow adjusting layers.
- the intermediate layer is bonded to the ventilation adjustment layer with an adhesive.
- the silencer has a thickness of 1.0 to 3.0 mm.
- the ventilation resistance of the sound deadening material is 1.0 to 4.0 kPa ⁇ s / m.
- the silencer is insert-molded on the tube wall.
- the air intake duct according to the present invention includes a skin layer in which a porous non-woven fabric is impregnated with a thermosetting resin on the pipe wall of the air intake duct formed in a tubular shape, thereby exhibiting sufficient heat resistance and water resistance.
- a more effective attenuation effect of intake noise can be achieved.
- the porous nonwoven fabric alone has good air permeability and increases the radiated sound, by laminating the air permeable adjustment layer, it is possible to adjust the air permeable property to an appropriate range and to suppress the radiated sound.
- the air intake duct according to the present invention is formed by insert-molding a silencer on the pipe wall, an air intake duct having a high intake noise attenuation effect can be manufactured without increasing the number of parts. Further, since it is not necessary to attach a separate cover to the outer periphery of the intake duct, the outer diameter of the intake duct can be reduced, and the entire intake duct can be reduced in size.
- FIG. 1 Schematic which shows the intake passage of an internal combustion engine.
- FIG. The graph which compared Example 4 and Comparative Examples 1 and 2.
- FIG. 1 is a schematic view showing an intake passage of an internal combustion engine
- FIG. 2 is a perspective view of the intake duct according to the present embodiment
- FIG. 3 is a half duct constituting the intake duct according to the present embodiment.
- FIG. 4 is a cross-sectional view for explaining the structure of the sound deadening material.
- a resonator 30 is connected to an intake duct 10 formed by a tubular tube wall 11 between an intake port F and an air cleaner 40.
- the resonator 30 has a volume calculated based on Helmholtz's resonance theory in order to reduce noise of a specific frequency. By setting this volume value to an appropriate value, a desired value generated in the intake passage is obtained. The intake noise can be reduced.
- a silencer 20 is formed on the tube wall 11 closer to the intake port F than the resonator 30.
- the silencer 20 on the pipe wall 11 closer to the intake port than the resonator 30, the intake noise can be more effectively reduced.
- the resonator 30 may not be provided as long as the intake noise can be sufficiently reduced only by the silencer 20.
- the intake duct 10 according to the present embodiment includes a tube wall 11 formed in a tubular shape from resin.
- a part of the tube wall 11 is formed of the lattice-like frame 12
- a plurality of holes 13 are formed in the tube wall 11.
- the silencing material 20 is insert-molded so that this hole part 13 may be covered, this hole part 13 is obstruct
- the intake duct 10 according to the present embodiment is formed by insert-molding the silencer 20, but the silencer 20, the tube wall 11, and the lattice frame 12 are made of synthetic resin material between the fibers of the silencer 20.
- the synthetic resin material is not soaked between the fibers of the sound deadening material 20, and the sound deadening material 20, the pipe wall 11 and The lattice-like frame 12 is joined to each other.
- the silencer 20 is provided so that it may be wound around the outer periphery of the intake duct 10 so that the hole part 13 may be covered. You can also.
- the pipe wall 11 in which the silencer 20 is insert-molded forms the intake duct 10 by joining the halved ducts 10a and 10a together.
- the silencer 20 can be easily insert-molded into the pipe wall 11.
- the end portion in the ventilation direction of the half duct 10 a is formed as a single intake duct 10 by joining the engine side duct 14 and the intake side duct 15.
- Joining methods include vibration welding, hot plate welding, ultrasonic welding, etc., as well as general methods used for resin molding, bonding with adhesives, fastening with bolts, fitting to fit each half duct, and hollow products
- An injection molding method (DSI: Die Slide Injection method) or the like is applicable.
- the number and the opening area of the holes 13 can be appropriately changed in consideration of the intake noise attenuation capability of the silencer 20 to be used.
- the silencer 20 is insert-molded so as to be flush with the inner peripheral surface of the tube wall 11, so that the inner peripheral surface of the tube wall 11 can be formed flat. The fluid passing through the inside of the intake duct 10 can be passed smoothly.
- the sound deadening material 20 includes a skin layer 21 in which a non-woven fabric is impregnated with a thermosetting resin, and a ventilation adjustment layer 22 made of a stretchable paper material having a large number of irregularities on the surface.
- the skin layer 21 is disposed on the outer surfaces of both the front and back surfaces of the sound deadening material 20 and is laminated so as to sandwich the ventilation adjustment layer 22 and the intermediate layer 23.
- Nonwoven fabrics used for the skin layer 21 are aramid fibers, imide fibers, polyvinyl chloride fibers, phenol fibers, rayon fibers, polyester fibers, polypropylene fibers, polyamide fibers, acrylic oxide fibers, carbon fibers, glass fibers, alumina fibers (ceramics) Fiber), boron fiber, novoloid fiber, fluorine fiber, metal fiber and the like based on various fibers can be used.
- thermosetting resin impregnated into the nonwoven fabric is, for example, urethane resin, melamine resin, thermosetting acrylic resin, particularly thermosetting acrylic resin that cures by forming an ester bond by heating, urea resin, phenol resin, epoxy Resin, thermosetting polyester, or the like can be used.
- the air flow adjusting layer 22 is formed of a stretchable paper material as described above.
- Stretchable paper is made of creped paper with crimped wrinkles (claw-like irregularities) on the surface, embossed paper with many protrusions on the surface, embossed paper with crimped wrinkles and many protrusions on the surface Crepe paper is used.
- the pulp used for the stretchable paper material include hardwood wood pulp, softwood wood pulp, hemp pulp, kenaf pulp, bamboo pulp, esbalt pulp, bagasse pulp, and straw pulp.
- synthetic resin may be mixed in an amount of about 1 to 50%.
- the intermediate layer 23 is interposed to adjust the airflow resistance of the sound deadening material 20 and is laminated so as to be sandwiched between the pair of airflow adjustment layers 22.
- the intermediate layer 23 is a laminated body made of the same material as that of the skin layer 21 described above.
- the sound deadening material 20 is laminated such that the intermediate layer 23 is sandwiched between a pair of ventilation adjustment layers 22 and the outer surface is further sandwiched between the skin layers 21. It is comprised integrally.
- an adhesive may be interposed between the skin layer 21 and the air flow adjusting layer 22 and between the air flow adjusting layer 22 and the intermediate layer 23 as necessary.
- Adhesives include acrylic resin adhesive, urethane resin adhesive, epoxy resin adhesive, vinyl chloride resin solvent adhesive, chloroprene rubber adhesive, cyanoacrylate adhesive, silicone adhesive, and modified silicone.
- Adhesives such as a system adhesive and a resorcinol adhesive can be used.
- the silencer 20 according to the present embodiment is adjusted so that the thickness after hot pressing is 1 to 3 mm and the ventilation resistance is 1 to 4 kPa ⁇ s / m.
- the silencer 20 includes the intermediate layer 23 made of the same material as the skin layer 21 in order to adjust the airflow resistance. It is possible to provide a sound deadening material having a high damping effect.
- FIGS. 5 to 8 show a conventional intake duct with a silencing function (Comparative Example 1) in which the air duct according to the present embodiment and two tubular pipes are joined by a band felt having a silencing function, and no silencing function.
- FIG. 5 to FIG. 8 show the results of analysis of the frequency and the silence level of the intake duct (Comparative Example 2), and the ventilation resistances are 1.11 kPa ⁇ s / m, 1.51 kPa ⁇ s / m, and 1.63 kPa ⁇ s, respectively. / M, 1.98 kPa ⁇ s / m.
- Example 1 in which the airflow resistance was 1.11 kPa ⁇ s / m, a particularly large noise reduction was obtained as compared with Comparative Example 1.
- the ventilation resistance is preferably set to 1 kPa ⁇ s / m or more.
- the upper limit of the airflow resistance is preferably set to about 4 kPa ⁇ s / m, more preferably around 2 kPa ⁇ s / m. .
- FIG. 9 shows analysis results obtained by measuring the muffled sound in a wider frequency band for the intake duct according to the present embodiment and the conventional intake duct having no silencing function (Comparative Example 2). As shown in FIG. 9, it can be seen that the intake duct according to the present embodiment obtains a large silence level even in the high frequency band (4 to 16 kHz). Thus, the intake duct according to the present embodiment can exhibit a high silencing effect even for silencing in a high frequency band.
- the hole portion 13 is formed by forming the tube wall 11 with the lattice-shaped frame 12 has been described.
- the tube wall 11 is formed in a plurality of punching metal shapes.
- a hole may be formed, and the tube wall 11 may be formed of a net-like member.
- the intake duct 10 which concerns on this embodiment demonstrated the intake duct 10 which introduces external air to an internal combustion engine
- the intake duct which concerns on this invention is not restricted to it,
- the present invention to an intake duct that introduces outside air for cooling an alternative power engine.
- the intake noise is a rotation sound or wind noise of the fan for introducing the outside air, and is a higher frequency noise than the intake noise generated from the internal combustion engine.
- the intake duct 10 in the intake duct 10 according to the present embodiment, the case where the sound deadening material 20 is applied only to the straight portion of the tube wall 11 has been described, but the sound deadening material 20 can also be applied to the curved portion of the sound deadening duct 10. It is. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
そこで、本発明は上記問題に鑑みてなされたものであり、吸気騒音の減衰効果を十分に発揮することのできる吸気ダクトを提供することを主たる課題とする。
Claims (6)
- 樹脂により管状に形成された管壁を有し、内燃機関又は代替動力機関に外気導入するための吸気ダクトにおいて、
前記管壁は、不織布に熱硬化性樹脂を含浸させた表皮層と、表面に多数の凹凸が形成された延伸性紙材からなる通気調整層と、を積層した消音材を備え、
前記消音材は、前記表皮層が表裏両面の外表面に配置されると共に、前記通気調整層が、前記表皮層の間に少なくとも一対積層されており、一対の前記通気調整層の間に前記表皮層と同一の材質からなる中間層が挟まれることを特徴とする吸気ダクト。 - 請求項1に記載の吸気ダクトにおいて、
前記中間層は、接着剤によって前記通気調整層と接着されていることを特徴とする吸気ダクト。 - 請求項1又は2に記載の吸気ダクトにおいて、
前記消音材の厚みは、1.0~3.0mmであることを特徴とする吸気ダクト。 - 請求項1から3のいずれか1項に記載の吸気ダクトにおいて、
前記消音材の通気抵抗が1.0~4.0kPa・s/mであることを特徴とする吸気ダクト。 - 請求項1から4のいずれか1項に記載の吸気ダクトにおいて、
前記消音材は、前記管壁に形成された孔部を閉塞するように配置されること
を特徴とする吸気ダクト。 - 請求項1から5のいずれか1項に記載の吸気ダクトにおいて、
前記消音材は、前記管壁にインサート成形されていること
を特徴とする吸気ダクト。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/239,878 US20140190764A1 (en) | 2011-09-05 | 2012-08-30 | Air intake duct |
| EP12830796.4A EP2754881B1 (en) | 2011-09-05 | 2012-08-30 | Aspiration duct |
| JP2013532555A JP5934709B2 (ja) | 2011-09-05 | 2012-08-30 | 吸気ダクト |
| ES12830796.4T ES2635425T3 (es) | 2011-09-05 | 2012-08-30 | Conducto de entrada de aire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011192723 | 2011-09-05 | ||
| JP2011-192723 | 2011-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013035614A1 true WO2013035614A1 (ja) | 2013-03-14 |
Family
ID=47832061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/071959 Ceased WO2013035614A1 (ja) | 2011-09-05 | 2012-08-30 | 吸気ダクト |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140190764A1 (ja) |
| EP (1) | EP2754881B1 (ja) |
| JP (1) | JP5934709B2 (ja) |
| ES (1) | ES2635425T3 (ja) |
| WO (1) | WO2013035614A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016211398A (ja) * | 2015-05-01 | 2016-12-15 | タイガースポリマー株式会社 | 通気ダクト |
| JP2016215835A (ja) * | 2015-05-20 | 2016-12-22 | スズキ株式会社 | 燃料電池自動二輪車 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6504844B2 (ja) * | 2015-02-10 | 2019-04-24 | 株式会社マーレ フィルターシステムズ | 内燃機関の吸気音低減装置 |
| CN110267804A (zh) * | 2017-02-06 | 2019-09-20 | 泽菲罗斯有限公司 | 不可渗透的复合材料 |
| JP2018193969A (ja) * | 2017-05-22 | 2018-12-06 | トヨタ紡織株式会社 | 内燃機関の吸気ダクト |
| FR3067280B1 (fr) * | 2017-06-09 | 2019-07-19 | Novares France | Procede de fabrication d’un conduit d’admission d’air |
| JP6874612B2 (ja) * | 2017-09-07 | 2021-05-19 | トヨタ紡織株式会社 | 内燃機関の吸気系部品 |
| US11319907B2 (en) * | 2018-02-14 | 2022-05-03 | Toyota Boshoku Kabushiki Kaisha | Precleaner for internal combustion engine |
| DE102018122988A1 (de) * | 2018-09-19 | 2020-03-19 | Veritas Ag | Fluidleitung zum leiten eines fluids |
| JP7196791B2 (ja) * | 2019-07-05 | 2022-12-27 | トヨタ紡織株式会社 | 内燃機関のインレットダクト |
| JP2021017840A (ja) * | 2019-07-19 | 2021-02-15 | トヨタ紡織株式会社 | 内燃機関の吸気ダクト |
| JP2021050672A (ja) * | 2019-09-25 | 2021-04-01 | 株式会社Roki | 吸気ダクト |
| JP7314812B2 (ja) * | 2020-01-28 | 2023-07-26 | トヨタ紡織株式会社 | 内燃機関の吸気ダクト |
| US11662048B2 (en) * | 2020-03-30 | 2023-05-30 | Toyota Motor Engineering & Manufacturing North America, Inc. | Compact duct sound absorber |
| CN115142997A (zh) * | 2022-06-27 | 2022-10-04 | 恒勃控股股份有限公司 | 一种车用防水消音脏进气管及其生产工艺 |
| IT202200015852A1 (it) * | 2022-07-27 | 2024-01-27 | Zrc Motorcycle Srl | Collettore d’aspirazione e procedimento per la realizzazione di detto collettore di aspirazione |
| FR3144226A1 (fr) | 2022-12-23 | 2024-06-28 | Sogefi Filtration | Agencement avec insert d’attenuation sonore pour circuit d’air d’admission moteur et methode d’assemblage |
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- 2012-08-30 WO PCT/JP2012/071959 patent/WO2013035614A1/ja not_active Ceased
- 2012-08-30 EP EP12830796.4A patent/EP2754881B1/en not_active Not-in-force
- 2012-08-30 JP JP2013532555A patent/JP5934709B2/ja not_active Expired - Fee Related
- 2012-08-30 ES ES12830796.4T patent/ES2635425T3/es active Active
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| JP2016211398A (ja) * | 2015-05-01 | 2016-12-15 | タイガースポリマー株式会社 | 通気ダクト |
| JP2016215835A (ja) * | 2015-05-20 | 2016-12-22 | スズキ株式会社 | 燃料電池自動二輪車 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2754881A1 (en) | 2014-07-16 |
| US20140190764A1 (en) | 2014-07-10 |
| EP2754881A4 (en) | 2015-02-25 |
| JP5934709B2 (ja) | 2016-06-15 |
| JPWO2013035614A1 (ja) | 2015-03-23 |
| EP2754881B1 (en) | 2017-05-24 |
| ES2635425T3 (es) | 2017-10-03 |
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