EP1114919A1 - Silencieux pour systèmes d'échappement des véhicules automobiles - Google Patents

Silencieux pour systèmes d'échappement des véhicules automobiles Download PDF

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Publication number
EP1114919A1
EP1114919A1 EP00127423A EP00127423A EP1114919A1 EP 1114919 A1 EP1114919 A1 EP 1114919A1 EP 00127423 A EP00127423 A EP 00127423A EP 00127423 A EP00127423 A EP 00127423A EP 1114919 A1 EP1114919 A1 EP 1114919A1
Authority
EP
European Patent Office
Prior art keywords
housing
silencer
silencer according
heat
polyphthalamide
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.)
Granted
Application number
EP00127423A
Other languages
German (de)
English (en)
Other versions
EP1114919B1 (fr
Inventor
Karl Heinrich Amft
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1114919A1 publication Critical patent/EP1114919A1/fr
Application granted granted Critical
Publication of EP1114919B1 publication Critical patent/EP1114919B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F01N13/16—Selection of particular materials

Definitions

  • the invention relates to a silencer for exhaust systems of motor vehicles, especially passenger and Trucks and buses, with a housing that is one and can be connected on the outlet side to pipes of the exhaust system is, and functional elements that are inside the housing are included.
  • the invention has for its object a silencer for exhaust systems of motor vehicles to create the one hand is reduced in weight and on the other hand better than known from the prior art Silencers can be recycled, being beyond its corrosion resistance and impact resistance and its other thermal and mechanical properties all requirements in the operation of the motor vehicle have to suffice.
  • the Housing of the silencer made of a glass fiber reinforced and heat-stabilized polyphthalamide (PPA) is formed.
  • PPA polyphthalamide
  • Such a design of the silencer can Housing of the silencer can be easily recycled, the same procedures can be used as they do for bumpers made of appropriate materials are common.
  • a polyphthalamide (PPA) compared to the conventionally for housing from Muffler materials used easily, being about corrosion resistance that meets all requirements and impact resistance is guaranteed.
  • polyphthalamide for the housing of a Silencer has proven to be a polyphthalamide (PPA) which contains 45% by mass of reinforcing glass fibers.
  • the material can be used as polyphthalamide (PPA) "AMODEL AS-1145 HS” from Amoco Polymers, Inc., Alpharetta, Georgia 30202, USA.
  • PPA polyphthalamide
  • AMODEL AS-1145 HS Amoco Polymers, Inc., Alpharetta, Georgia 30202, USA.
  • the housing according to an advantageous embodiment of the invention Muffler has an additional thermal insulation layer, this additional thermal insulation layer preferably can be formed from rock wool.
  • the housing made of the polyphthalamide mentioned can expediently in a middle section and two end sections structure, depending on the requirement profile, which any given by the exhaust system Design of the end sections is possible and one Basic shape of a middle section can be used.
  • Muffler can the end portions of the housing, respectively a receptacle for an input or output side Train the exhaust system pipe.
  • At least one of these receiving ports is arranged eccentrically.
  • both receptacles can also be arranged eccentrically.
  • Embodiments of the silencer according to the invention realized in which at least one end portion of the housing forms a double intake port in which two one or Exhaust pipes of the exhaust system can be accommodated are.
  • both end sections can also train such a double intake port.
  • cross section of the housing of the invention Different designs are possible, such a cross section round, approximately oval or can be suitably configured in another way.
  • This heat and squeeze ring can preferably be made of Teflon be trained.
  • the functional elements accommodated within the housing The silencer can be used in a state of the art be known manner, all of known in the art suitable for silencers Functional elements can be used.
  • a first embodiment shown in Figure 1 of an inventive Silencer 1 is used for installation in exhaust systems of motor vehicles, it being the motor vehicles both for cars and trucks and also for buses or the like. Special vehicles can act.
  • the silencer 1 shown in Figure 1 has a housing 2, in which the usual functional elements for silencers are included.
  • the housing 2 is divided into that shown in Figure 1 Embodiment of the silencer 1 in a central section 3 and two adjoining the central section 3 on both sides End sections 4, 5.
  • the end section 4 on the left or on the input side in FIG. 1 forms a receptacle 6 in which the silencer 1 facing end of a pipeline 7 not otherwise Exhaust system shown is added.
  • the right end portion 5 in FIG Silencer 1 forms a receptacle 8 in which the end facing the muffler 1 on the output side of the silencer 1 arranged pipeline 9 the exhaust system, not shown in the rest is.
  • the housing 2 of the silencer 1 is made of a glass fiber reinforced and heat or heat stabilized polyphthalamide (PPA) trained. This contains polyphthalamide (PPA) too 45% by mass of reinforcing glass fibers.
  • the material can preferably be such a polyphthalamide (PPA) "AMODEL AS-1145HS” from Amoco Polymers, Inc., Alpharetta, Georgia 30202, USA.
  • PPA polyphthalamide
  • AMODEL AS-1145HS polyphthalamide
  • This material is a glass fiber reinforced heat-stabilized engineering plastic, the one high heat resistance, a high flexural modulus and a has great tensile strength and is also characterized by excellent Creep resistance and low moisture absorption distinguished. This includes the processing of the material mentioned comparatively with conventional methods and machines not very expensive.
  • Its tensile strength is 259 MPa, its elongation at break 2.6%, its flexural strength 362 MPa, its flexural modulus 13600 MPa, its shear strength 108 MPa, its compressive strength 314 MPa, its Poisson number 0.41, its Izod impact strength at 3.2 mm 133 J / m, its Izod impact strength 12.9 kJ / m 2 , its Izod impact strength 72.5 kJ / m 2 , its Charpy impact strength 14.8 kJ / m 2 , its Charpy impact strength 81.2 kJ / m 2 and its Rockwell hardness 125 R.
  • the housing can be used to further limit the temperature load 2 have an additional thermal insulation layer, the can preferably be formed from rock wool.
  • Silencers are the inlet connection on the inlet side 6 and the outlet-side receptacle 8 of the respective End sections 4, 5 arranged eccentrically.
  • FIG. 2 differs from this of the silencer 1 according to the invention, in which both the input-side intake port 6 and the output-side receptacle 8 centrally with respect to the End sections 4, 5 are arranged.
  • Silencer 1 forms the input side End section 4 of the muffler 1 an external intake port 6, whereas the output end section 5 of the silencer 1 has a concentric receptacle 8 trains.
  • Silencer 1 forms both the input side End section 4 and the end section on the output side 5 from a double receptacle 10 or 11, in which two ends of one with respect to the silencer 1 on the input side Pipe system 12 or the output pipe system 13 are included.
  • the embodiment shown in Figure 5 of the silencer 1 according to the invention has an input side End section 4 with a central receptacle 6, whereas the end section 5 on the output side has a double receptacle 11 trains, in which two ends one with respect on the silencer 1 on the outlet pipe system 13 are supported.
  • the front and back are more inventive Silencer 1 shown, the one in about have an oval cross section, wherein in the case of FIG shown muffler 1 is a centrally located receptacle 6 and in the case of that shown in Figure 8 Muffler 1 provided a double intake port 10 are.
  • Figures 7 and 9 is one with several rounded and straight cross-section of the silencer 1 provided, the embodiment according to FIG has single receiving nozzle 6, whereas the embodiment 9 has a double intake port 10.
  • Figure 10 of the silencer according to the invention has a circular shape Cross-section, with a centrally arranged receptacle 6 is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Characterised By The Charging Evacuation (AREA)
EP00127423A 2000-01-06 2000-12-14 Silencieux pour systèmes d'échappement des véhicules automobiles Expired - Lifetime EP1114919B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20000155U 2000-01-06
DE20000155U DE20000155U1 (de) 2000-01-06 2000-01-06 Schalldämpfer für Auspuffanlagen von Kraftfahrzeugen

Publications (2)

Publication Number Publication Date
EP1114919A1 true EP1114919A1 (fr) 2001-07-11
EP1114919B1 EP1114919B1 (fr) 2003-04-02

Family

ID=7935587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00127423A Expired - Lifetime EP1114919B1 (fr) 2000-01-06 2000-12-14 Silencieux pour systèmes d'échappement des véhicules automobiles

Country Status (6)

Country Link
EP (1) EP1114919B1 (fr)
AT (1) ATE236350T1 (fr)
DE (2) DE20000155U1 (fr)
DK (1) DK1114919T3 (fr)
ES (1) ES2195832T3 (fr)
PT (1) PT1114919E (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668972B2 (en) 2000-11-07 2003-12-30 Owens Corning Fiberglas Technology, Inc. Bumper/muffler assembly
WO2008073137A1 (fr) * 2006-12-14 2008-06-19 Ocv Intellectual Capital, Llc Systeme de silencieux composite a thermoplastique a fibres longues pourvu d'une chambre reflective integree
US7730996B2 (en) 2006-04-12 2010-06-08 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated crash management
DE102024122344A1 (de) * 2024-05-15 2025-11-20 Purem GmbH Schalldämpfer, insbesondere für ein Brennstoffzellensystem

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934580B2 (en) 2006-04-12 2011-05-03 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939197A1 (de) * 1969-08-01 1971-02-11 Eugen Stier Auspufftopf
GB2143275A (en) * 1983-07-02 1985-02-06 Production Eng Res Silencer for exhaust gases
WO1989004915A2 (fr) * 1987-11-17 1989-06-01 Yamato Kogyo Company, Limited Systeme d'echappement de vehicule automobile pourvu d'un silencieux en resine combine avec un systeme de refroidissement des gaz d'echappement
EP0394451A1 (fr) * 1988-07-15 1990-10-31 Nippon Petrochemicals Company, Limited Silencieux
US5052513A (en) * 1986-11-26 1991-10-01 Showa Denko Kabushiki Kaisha Noise reductive resin muffler for exhaust system in combustion engine
US5468923A (en) * 1994-02-07 1995-11-21 Kleyn Die Engravers, Inc. Molded muffler
EP0701083A1 (fr) * 1994-08-26 1996-03-13 Excell Corporation Produit creux en matière plastique avec un attenuateur sonore

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939197A1 (de) * 1969-08-01 1971-02-11 Eugen Stier Auspufftopf
GB2143275A (en) * 1983-07-02 1985-02-06 Production Eng Res Silencer for exhaust gases
US5052513A (en) * 1986-11-26 1991-10-01 Showa Denko Kabushiki Kaisha Noise reductive resin muffler for exhaust system in combustion engine
WO1989004915A2 (fr) * 1987-11-17 1989-06-01 Yamato Kogyo Company, Limited Systeme d'echappement de vehicule automobile pourvu d'un silencieux en resine combine avec un systeme de refroidissement des gaz d'echappement
EP0394451A1 (fr) * 1988-07-15 1990-10-31 Nippon Petrochemicals Company, Limited Silencieux
US5468923A (en) * 1994-02-07 1995-11-21 Kleyn Die Engravers, Inc. Molded muffler
EP0701083A1 (fr) * 1994-08-26 1996-03-13 Excell Corporation Produit creux en matière plastique avec un attenuateur sonore

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668972B2 (en) 2000-11-07 2003-12-30 Owens Corning Fiberglas Technology, Inc. Bumper/muffler assembly
US7730996B2 (en) 2006-04-12 2010-06-08 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated crash management
WO2008073137A1 (fr) * 2006-12-14 2008-06-19 Ocv Intellectual Capital, Llc Systeme de silencieux composite a thermoplastique a fibres longues pourvu d'une chambre reflective integree
CN101578430B (zh) * 2006-12-14 2011-10-12 Ocv智识资本有限责任公司 具有一体的反射腔的长纤维热塑复合消声器系统
DE102024122344A1 (de) * 2024-05-15 2025-11-20 Purem GmbH Schalldämpfer, insbesondere für ein Brennstoffzellensystem

Also Published As

Publication number Publication date
DE20000155U1 (de) 2000-07-27
EP1114919B1 (fr) 2003-04-02
ES2195832T3 (es) 2003-12-16
DK1114919T3 (da) 2003-07-21
PT1114919E (pt) 2003-08-29
ATE236350T1 (de) 2003-04-15
DE50001603D1 (de) 2003-05-08

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