EP3532721A1 - Luftleitungsrohr für den ansaugtrakt eines verbrennungsmotors - Google Patents
Luftleitungsrohr für den ansaugtrakt eines verbrennungsmotorsInfo
- Publication number
- EP3532721A1 EP3532721A1 EP17787393.2A EP17787393A EP3532721A1 EP 3532721 A1 EP3532721 A1 EP 3532721A1 EP 17787393 A EP17787393 A EP 17787393A EP 3532721 A1 EP3532721 A1 EP 3532721A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air duct
- pipe
- fibers
- reinforcing
- air
- 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.)
- Withdrawn
Links
Classifications
-
- 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
Definitions
- the invention relates to an air duct for the intake of an internal combustion engine.
- Air ducts for the intake of an internal combustion engine are known. They generally serve the supply of combustion air to an internal combustion engine.
- charge air pipes are usually referred to air duct pipes which connect a turbocharger with a charge air cooler or a charge air cooler with a throttle valve.
- a charge air pipe is for example the subject of DE 20 2006 016 187 U1.
- the invention is based on the technical problem of providing an air duct pipe, which in particular circumvents the disadvantages mentioned in the prior art.
- the invention solves this problem by providing an air duct with the features of claim 1 and by the use of an air duct pipe according to claim 15.
- Preferred embodiments of the duct pipe are defined in the dependent claims 2 to 14.
- the invention relates to an air duct pipe, preferably for the intake tract of an internal combustion engine.
- the internal combustion engine is preferably a turbo engine.
- the air duct pipe has a first pipe component of a first material and a second pipe component of a second material.
- the air duct pipe according to the present invention is preferably characterized in that both the first material and the second material comprise polyphenylene sulfide, wherein the first material is more flexible, in particular softer and / or more elastic, than the second material.
- air duct pipe should be understood to mean a pipe, in particular round pipe, which is designed to supply air, so-called combustion air, to an internal combustion engine
- the air duct pipe according to the invention can be, for example, an air intake pipe or charge air pipe, which will be discussed in more detail below.
- tubular component is to be understood as meaning a tubular component, in particular a tubular member.
- the term "compound” is to be understood as meaning a composition which, in addition to polyphenylene sulfide, has an additive, in particular a flexibility-enhancing additive and / or a reinforcing agent Composition understood that in addition to polyphenylene sulfide comprises a reinforcing agent.
- additives in particular a flexibility-increasing additive and / or a Verstärkungsmitteis, reference is made to the following statements.
- a more flexible, in particular softer and / or more elastic, embodiment of the first pipe component relative to the second pipe component leads overall to an improvement, in particular extension, of the material tolerances of the air pipe according to the invention compared to other components, in particular compared to other components of a Motoransaug Thermals.
- the first pipe component is due to its preferably more flexible properties for connection to a component, such as an air filter, predestined where some flexibility to avoid leaks is desired.
- the second pipe component is particularly suitable because of its preferably stiffer and / or mechanically stronger properties, for example, for a connection to a component of the engine compartment, in particular a turbocharger, where flexibility considerations play a rather minor role.
- the air duct pipe according to the invention is therefore more versatile than conventional air ducts.
- the invention is based on the surprising finding that the advantages mentioned above when using polyphenylene sulfide and / or compounded polyphenylene sulfide as material for the production of an air duct pipe are particularly strong advantage.
- Polyphenylene sulfide also referred to as poly (thio-p-phenylene) (abbreviated PPS)
- PPS poly (thio-p-phenylene)
- the material is characterized by a very high heat resistance and a high chemical resistance and rigidity.
- polyphenylene sulfide is usually prepared by polycondensation of 1, 4-dichlorobenzene with sodium sulfide in aprotic solvents, such as N-methylpyrrolidone.
- the polyphenylene sulfide of the first material and / or the second material is linear polyphenylene sulfide.
- Linear polyphenylene sulfide is characterized in particular by the fact that slightly branched polymer chains of the polyphenylene sulfide attach to highly ordered superstructures. Linear polyphenylene sulfide is therefore characterized with particular advantage by high toughness and mechanical resistance, in particular elongation at break.
- the polyphenylene sulfide of the first material and / or the second material is crosslinked polyphenylene sulfide.
- Crosslinked polyphenylene sulfide is characterized in particular in that branched polymer chains of the polyphenylene sulfide are reversibly connected to one another via physical crosslinking points.
- the first material is free of reinforcing agents or substantially free of reinforcing agents. The term "substantially free of reinforcing agents" in the context of the present invention means that the first material can have a reinforcing agent content of up to 5% by weight.
- the first material further comprises a reinforcing agent.
- the reinforcing agent has a proportion of 5 wt .-% to 35 wt .-%, in particular 10 wt .-% to 30 wt .-%, based on the total weight of the first material, in particular based on the total weight a compound of the first material will be described in more detail below.
- a reinforcement ratio of 10% by weight to 15% by weight may be preferred.
- a reinforcement ratio of 10% by weight to 30% by weight may be preferred.
- reinforcing agent For further features and advantages of the reinforcing agent, reference is made to the following reinforcing means described in the context of the second material.
- the reinforcing means described there can (analogously) also be used for the first material.
- the first material further comprises a flexibility-enhancing, in particular softness-promoting and / or elasticity-promoting, additive.
- the polyphenylene sulfide of the first material is part of a compound.
- the first material may comprise or consist of a compound comprising polyphenylene sulfide and an additive, especially selected from the group consisting of flexibility enhancing additive, reinforcing agent and mixtures thereof.
- flexibility-enhancing additive reference is made to the additives described above.
- Verstärkungsmitteis reference is made to the following statements.
- the first material is polyphenylene sulfide or an unreinforced polyphenylene sulfide, i. a polyphenylene sulfide which is free from reinforcing agents.
- the first material is a compound.
- the second material further comprises a reinforcing agent.
- the polyphenylene sulfide of the second material is part of a compound.
- the second material may comprise a compound or consist of a compound comprising polyphenylene sulfide and an additive, preferably a reinforcing agent.
- the reinforcing agent is reinforcing fibers, reinforcing particles, fillers or a mixture of at least two of the said reinforcing agents.
- the reinforcing fibers may be selected from the group consisting of inorganic fibers, metallic fibers, organic fibers, natural fibers and mixtures of at least two of said fibers.
- the reinforcing fibers may be selected from the group consisting of basalt fibers, boron fibers, glass fibers, ceramic fibers, silica fibers, steel fibers, polyamide fibers, aramid fibers, carbon fibers / carbon fibers, nylon fibers, polyethylene fibers, Plexiglas fibers, flax fibers, hemp fibers, wood fibers, sisal fibers and mixtures of at least two of said fibers.
- the reinforcing fibers are glass fibers, carbon fibers, aramid fibers or a mixture of at least two of said fibers.
- the reinforcing fibers may be long and / or short fibers in another embodiment.
- long fibers is preferably intended to mean fibers having a length of> 6 mm, in particular 7 mm to 50 mm, preferably 7 mm to 20 mm, more preferably 7 mm to 15 mm, particularly preferably 8 mm to 10 mm to be understood.
- short fibers is to be understood as meaning preferably fibers having a length of ⁇ 6 mm, in particular ⁇ 6 mm.
- Preferred within the scope of the present invention are fibers having a length of 2 mm to 6 mm, more preferably 4 mm to 6 mm, particularly preferably 4 mm to 5 mm.
- the reinforcing particles are preferably spherical in shape.
- the reinforcing particles may not have spherical shapes.
- the reinforcing particles may be polyhedron-shaped, in particular cuboid, cuboid, prism, pyramid, truncated pyramid, tetrahedron or spatulate.
- the reinforcing particles may in particular be selected from the group consisting of basalt particles, boron particles, glass particles, ceramic particles, silica particles, steel particles, polyamide particles, aramid particles, carbon particles / carbon particles, nylon particles, polyethylene particles, plexiglass particles, flake particles, hemp particles, wood particles, sisal particles and mixtures of at least two of the mentioned particles.
- the reinforcing particles are glass beads.
- the fillers may in particular be inorganic and / or mineral fillers.
- the fillers are selected from the group consisting of calcium carbonate, calcium sulfate, kaolin, mica, silicates, talc, quartz and mixtures of at least two of said fillers.
- the reinforcing agent has a content of from 5% by weight to 70% by weight, in particular from 5% by weight to 50% by weight, in particular from 10% by weight to 50% by weight, preferably 10 % By weight to 45% by weight or 15% by weight to 45% by weight, more preferably 10% by weight to 35% by weight or 15% by weight to 35% by weight, especially preferably from 20% by weight to 35% by weight, based on the total weight of the second material, in particular based on the total weight of a compound of the second material.
- a reinforcing agent content of from 10% by weight to 15% by weight may be preferred.
- a reinforcement ratio of 10% by weight to 30% by weight may be preferred.
- the reinforcing agent has a content of from 5% by weight to 20% by weight, in particular from 7% by weight to 15% by weight, preferably from 8% by weight to 12% by weight, based on the total weight of the second material, in particular based on the total weight of a compound of the second material.
- the reinforcing agent in the embodiment described in this paragraph is preferably reinforcing fibers, in particular glass fibers and / or carbon fibers.
- the second material in particular a compound of the second material, a reinforcing fiber content, in particular a glass fiber and / or carbon fiber content, from 5 wt .-% to 20 wt .-%, in particular 7 wt .-% to 15 wt. -%, preferably 8 wt .-% to 12 wt .-%, having.
- the second material is a compound.
- the second material is a reinforced polyphenylene sulfide, in particular a glass-fiber-reinforced, carbon fiber-reinforced and / or polymer-fiber-reinforced polyphenylene sulfide-reinforced aramid fiber sulfide.
- both the first material, in particular a compound of the first material, and the second material, in particular a compound of the second material further comprise a reinforcing agent.
- the first material, in particular a compound of the first material preferably has a smaller proportion of the reinforcing agent than the second material, in particular a compound of the second material.
- the first material in particular a compound of the first material, has a modulus of elasticity of 1000 MPa to 1400 MPa, in particular 1000 MPa to 1200 MPa, preferably 1000 MPa to 1100 MPa.
- the second material in particular a compound of the second material, has a modulus of elasticity of 2500 MPa to 9000 MPa, in particular 2500 MPa to 3000 MPa, preferably 2600 MPa to 3000 MPa, more preferably 2700 MPa to 3000 MPa.
- the materials described for the first pipe component and the second pipe component in the preceding embodiments are characterized by an increased mechanical strength, rigidity and thermal resistance compared to other materials. In particular, they show an increased resistance to exogenous influences, such as marten bite. At the same time they have sufficiently flexible properties, for example, to be able to make a flexible and thus better sealing connection with an engine air filter or another component of the engine intake tract.
- the first pipe component and the second pipe component can be connected to one another in a positive, force and / or material fit.
- the first pipe component and the second pipe component are materially connected, in particular exclusively materially bonded, to one another.
- This offers the advantage of a simpler installation of the pipe components to the air duct pipe according to the invention.
- the use of fasteners such as hose clamps, can be dispensed with.
- Another advantage is a material saving, in particular in the first pipe component.
- a cohesive connection in particular for the first pipe component, a smaller wall thickness for the assembly step is required, which contributes to a further flexibilization of the first pipe component.
- first pipe component and the second pipe component can be glued together.
- first pipe component and the second pipe component are connected to one another by an adhesive connection.
- first pipe component and the second pipe component are connected to one another by means of welding.
- first pipe component and the second pipe component are connected to each other by a welded joint.
- first pipe component and the second pipe component can be connected to one another by means of press connection welding, vibration welding and / or ultrasonic welding.
- press connection welding can be in particular friction welding, preferably rotary friction welding, act.
- the first pipe component and the second pipe component are by means of infrared welding, i. by an infrared welding connection, connected together.
- infrared welding i. by an infrared welding connection
- short-wave infrared rays for example infrared rays having a wavelength of 0.78 ⁇ m to 2 ⁇ m
- medium-wave infrared rays for example infrared rays having a wavelength of 2 ⁇ m to 4 ⁇ m
- first pipe component and the second pipe component are joined together by means of hot-gas welding, ie by means of a hot-gas welding connection.
- first pipe component and the second pipe component are mechanically connected to each other, in particular by means of a pipe clamp.
- the first pipe member and the second pipe member may be further manufactured by injection molding, blow molding, extrusion or combined techniques thereof. These methods are known to the person skilled in the art, so that further explanations are omitted here.
- first pipe component and / or the second pipe component may be formed as an injection molding, blow molding or extrusion molding.
- the first pipe component and the second pipe component are each configured as a blow molding.
- the first pipe component is shorter than the second pipe component.
- the first pipe component has a wall thickness of 1 mm to 3 mm, in particular 1 mm to 2.5 mm, preferably 1 mm to 2 mm.
- the second pipe component has a wall thickness of 1 mm to 3 mm, in particular 1 mm to 2.5 mm, preferably 1 mm to 2 mm.
- an upstream end and / or a downstream end of the air pipe in particular an upstream end of the first pipe component and / or a downstream end of the second pipe component, connected to a connector.
- a connector In the connection may be a positive, cohesive and / or cohesive connection.
- an upstream end and / or a downstream end of the air pipe in particular an upstream end of the first pipe component and / or a downstream end of the second pipe component, positively connected to a connector.
- upstream end of the air duct pipe, in particular of the first pipe component is to be understood as meaning an end of the air duct pipe, in particular of the first pipe component, on which air, in particular filtered fresh air, through a compressor (compressor) or turbocharger produced hot or hot air or by a charge air cooler generated cold air, in the air pipe, in particular in the first pipe component, flows.
- downstream end of the air duct pipe, in particular of the second pipe component is intended to mean an end of the air duct pipe, in particular of the second pipe component, on which air, in particular filtered fresh air, is generated by a compressor or turbocharger Hot or hot air or cold air generated by a charge air cooler, flows out of the air duct pipe, in particular from the second pipe component.
- the fitting may be a fitting for an air cleaner, a compressor, or a turbocharger, intercooler or engine cylinder.
- an upstream end of the air duct pipe, in particular of the first pipe component, with a connection piece for an air filter and / or a downstream end of the air duct pipe, in particular of the second pipe component, with a connection piece for a compressor (compressor) or turbocharger connected is.
- an upstream end of the air duct pipe, in particular of the first pipe component, for connection to an air filter and / or a downstream end of the air duct pipe, in particular of the second pipe component, for connection to a compressor (compressor) or turbocharger is provided.
- an upstream end of the air duct pipe, in particular of the first pipe component, with a connection piece for a compressor (compressor) or turbocharger and / or a downstream end of the air duct pipe, in particular of the second pipe component, with a connection piece for a charge air duct connected is provided.
- an upstream end of the air duct pipe, in particular of the first pipe component, for connection to a compressor (compressor) or turbocharger and / or a downstream end of the air duct pipe, in particular of the second pipe component, for connection with a charge air cooler is provided.
- an upstream end of the air duct pipe, in particular of the first pipe component is connected to a connection piece for a charge air pipe and / or a downstream end of the air duct pipe, in particular of the second pipe component, with a connection piece for an engine cylinder.
- an upstream end of the air duct pipe, in particular of the first pipe component, for connection to a charge air cooler and / or a downstream end of the air duct pipe, in particular of the second pipe component is provided for connection to an engine cylinder.
- the connecting piece is formed in an expedient embodiment in the circumferential direction of the air duct pipe, in particular of the first pipe component and / or second pipe component.
- the connecting piece can be designed annular or substantially circular.
- the connector is designed as a sleeve.
- the connecting piece is a sealing connecting piece.
- the connector preferably comprises a fluororubber or is made of a fluororubber.
- fluororubber is to be understood as meaning a rubber having vinylidene (di) fluoride monomer units.
- the fluororubber may in particular be selected from the group consisting of copolymers of vinylidene fluoride monomer units and hexafluoropropylene monomer units, terpolymers of vinylidene fluoride monomer units, hexafluoropropylene monomer units and tetrafluoroethylene monomer units, polymers of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene and perfluoromethylvinyl ether , Polymers of vinylidene fluoride, tetrafluoroethylene and propene, polymers of vinylidene fluoride, hexafluoropropylene, tetrafluoroethylene, perfluoromethyl vinyl ether and ethene and mixtures of at least two of said fluoro rubbers.
- connection piece has a recess extending in the circumferential direction, preferably a groove.
- the recess is preferably provided for receiving a fastening means, preferably a hose clamp.
- an upstream end of the air duct pipe, in particular of the first pipe component, and / or a downstream end of the air duct pipe, in particular of the second pipe component directly, ie without the use of a connector, with a fastening means, in particular a hose clamp, connected.
- a fastening means in particular a hose clamp
- the air pipe according to the invention is an air intake pipe.
- air intake pipe should be understood to mean an air pipe which connects an air filter with a compressor (compressor) or turbocharger or a charge air cooler with a throttle valve in the intake tract of an internal combustion engine.
- the air duct is a charge air duct.
- charge air pipe should be understood to mean an air duct pipe which connects a compressor (compressor) or turbocharger with a charge air cooler in the intake tract of an internal combustion engine.
- a second aspect of the invention relates to the use of an air duct pipe according to the first aspect of the invention for the intake tract of an internal combustion engine, in particular a turbo engine.
- a third aspect of the invention relates to the use of an air duct as an air intake pipe, the air duct having a first pipe member of a first material and a second pipe member of a second material, wherein both the first material and the second material comprise polyphenylene sulfide and the first material is more flexible is as the second material.
- a fourth aspect of the invention relates to the use of an air duct as a charge air duct, the duct having a first tubular member of a first material and a second tubular member of a second material, wherein both the first material and the first tubular member second material polyphenylene sulfide and the first material is more flexible than the second material.
- Fig. 1 an embodiment of an air duct pipe according to the invention
- Fig. 2 a longitudinal section of a part of the air duct pipe shown in Fig. 1.
- the air duct pipe 100 has a first pipe component 110 and a second pipe component 120.
- the first pipe component 1 10 and the second pipe component 120 are integrally connected to each other.
- the first pipe component 110 and the second pipe component 120 are preferably connected to one another via a welded connection.
- the welded joint preferably runs along the contact surfaces between the first pipe component 110 and the second pipe component 120.
- the welded joint is preferably an infrared welded joint.
- the first pipe component 110 consists of a first material
- the second pipe component 120 consists of a second material.
- Both the first material and the second material comprise polyphenylene sulfide, wherein the first material is more flexible, in particular softer and / or more elastic, than the second material.
- the first material is polyphenylene sulfide or unreinforced polyphenylene sulfide.
- the second material is preferably a reinforced, in particular glass fiber reinforced, polyphenylene sulfide.
- Both the polyphenylene sulfide of the first pipe component 110 and the reinforced polyphenylene sulfide of the second pipe component 120 have sufficient mechanical strength, rigidity and temperature resistance to withstand the pressures and temperatures that occur during operation of an internal combustion engine, in particular a turbo engine.
- the polyphenylene sulfide of the first pipe component 110 has sufficiently flexible properties to allow, for example, a sealing connection with an engine air filter.
- the air duct pipe 100 in particular the first pipe component 1 10, can be connected at its upstream end 1 1 1 to a connection piece 1 15, for example for an air filter.
- the connecting piece 1 15 can be configured as a sleeve and is preferably formed of a fluororubber under density-increasing aspects.
- FIG. 2 schematically shows a longitudinal section of a part of the air duct pipe 100 shown in FIG. 1.
- the upstream end 1 1 1 preferably two parallel spaced and circumferential beads 1 13; 1 17, which are received when snapping form complementary protrusions of the depression.
- a cantilevered upstream end 121 of the second pipe member 120 may be received by a groove formed at the downstream end 1 19 of the first pipe member 110 which is open toward the upstream end 121.
- a weld preferably extends in the circumferential direction of the air duct between the groove and the upstream end 121.
- the second pipe component 120 has an ice crusher 123.
- connection piece 1 15 may have a peripheral groove 16 for receiving a fastening means, such as a hose clamp.
- the air duct pipe shown schematically in Figures 1 and 2 may be designed as Heilansaugrohr or charge air duct.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016221105.6A DE102016221105B4 (de) | 2016-10-26 | 2016-10-26 | Luftleitungsrohr für den Ansaugtrakt eines Verbrennungsmotors |
| PCT/EP2017/076822 WO2018077737A1 (de) | 2016-10-26 | 2017-10-20 | Luftleitungsrohr für den ansaugtrakt eines verbrennungsmotors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3532721A1 true EP3532721A1 (de) | 2019-09-04 |
Family
ID=60153302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17787393.2A Withdrawn EP3532721A1 (de) | 2016-10-26 | 2017-10-20 | Luftleitungsrohr für den ansaugtrakt eines verbrennungsmotors |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3532721A1 (de) |
| DE (1) | DE102016221105B4 (de) |
| WO (1) | WO2018077737A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019211574A1 (de) * | 2019-08-01 | 2021-02-04 | Etm Engineering Technologie Marketing Gmbh | Luftleitungsstutzen für den Ansaugtrakt eines Verbrennungsmotors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791775A1 (de) * | 1996-02-22 | 1997-08-27 | Hutchinson | Transportleitung für eine unter erhöhtem Druck und erhöhter Temperatur stehende Flüssigkeit |
| US20060279084A1 (en) * | 2005-06-14 | 2006-12-14 | Collins Daniel J | Two-shot or insert molded cuffs for welding onto clean air ducts |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2248652A (en) | 1989-10-12 | 1992-04-15 | Fuji Heavy Ind Ltd | Twin bank i.c. engine intake arrangement |
| DE4212807A1 (de) * | 1992-04-16 | 1993-10-21 | Bayerische Motoren Werke Ag | Kunststoffsauganlage für Brennkraftmaschinen |
| DE19613467A1 (de) | 1996-04-04 | 1997-10-09 | Mann & Hummel Filter | Ansaugsystem für einen Verbrennungsmotor |
| DE19701118A1 (de) | 1997-01-15 | 1998-07-16 | Mann & Hummel Filter | Ansaugeinrichtung aus thermoplastischem Kunststoff |
| DE19745192C2 (de) | 1997-10-13 | 2001-04-19 | Mann & Hummel Filter | Rohrverbindung und ein Verfahren zu deren Herstellung |
| DE19915819B4 (de) | 1999-04-08 | 2013-07-25 | Mahle Filtersysteme Gmbh | Sauganlage für eine Brennkraftmaschine |
| JP2001141131A (ja) * | 1999-11-19 | 2001-05-25 | Excel Kk | 多層構造を持つ樹脂製ダクト |
| DE202006016187U1 (de) | 2006-10-23 | 2008-03-06 | Veritas Ag | Ladeluftschlauchadapter |
| DE102007007119A1 (de) | 2007-02-13 | 2008-08-14 | Geiger Technik Gmbh | Leitungselement, Luftansaugleitung und Verfahren zur Herstellung eines Leitungselements |
| DE102007026826A1 (de) | 2007-06-06 | 2008-12-11 | Mann + Hummel Gmbh | Ansaugsystem |
| FR2922963A3 (fr) * | 2007-10-24 | 2009-05-01 | Renault Sas | Conduit multi-materiaux pour admission d'air moteur par solidarisation chimique des constituants |
| FR2936571B1 (fr) | 2008-10-01 | 2010-10-08 | Trelleborg Fluid & Acoustic Solutions Tfas | Dispositif d'admission d'air, apte a former au moins une portion de ligne d'admission d'air pour moteur a combustion interne de vehicule automobile. |
| JP5769317B2 (ja) * | 2009-04-22 | 2015-08-26 | ディーエスエム アイピー アセッツ ビー.ブイ. | 半径流圧縮機のプラスチックハウジング |
| DE102011000920A1 (de) | 2011-02-24 | 2012-08-30 | Contitech Mgw Gmbh | Ladeluftleitung mit Resonator |
| DE102012207198B4 (de) | 2012-04-30 | 2023-02-02 | Röchling Automotive AG & Co. KG | Vorrichtung zur Verringerung der Lärmemission von Luftansaugrohren |
| US20150170788A1 (en) * | 2013-12-18 | 2015-06-18 | Ticona Llc | Conductive Thermoplastic Compositions for Use in Tubular Applications |
| DE102015215394A1 (de) * | 2015-08-12 | 2017-02-16 | Etm Engineering Technologie Marketing Gmbh | Luftleitungsrohr für den Ansaugtrakt eines Verbrennungsmotors |
-
2016
- 2016-10-26 DE DE102016221105.6A patent/DE102016221105B4/de active Active
-
2017
- 2017-10-20 EP EP17787393.2A patent/EP3532721A1/de not_active Withdrawn
- 2017-10-20 WO PCT/EP2017/076822 patent/WO2018077737A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791775A1 (de) * | 1996-02-22 | 1997-08-27 | Hutchinson | Transportleitung für eine unter erhöhtem Druck und erhöhter Temperatur stehende Flüssigkeit |
| US20060279084A1 (en) * | 2005-06-14 | 2006-12-14 | Collins Daniel J | Two-shot or insert molded cuffs for welding onto clean air ducts |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2018077737A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016221105A1 (de) | 2018-04-26 |
| DE102016221105B4 (de) | 2018-05-09 |
| WO2018077737A1 (de) | 2018-05-03 |
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