EP1860295A2 - Installation de gaz d'échappement - Google Patents

Installation de gaz d'échappement Download PDF

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Publication number
EP1860295A2
EP1860295A2 EP07004846A EP07004846A EP1860295A2 EP 1860295 A2 EP1860295 A2 EP 1860295A2 EP 07004846 A EP07004846 A EP 07004846A EP 07004846 A EP07004846 A EP 07004846A EP 1860295 A2 EP1860295 A2 EP 1860295A2
Authority
EP
European Patent Office
Prior art keywords
exhaust
abgasendrohrblende
pipes
inner tubes
exhaust gas
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
EP07004846A
Other languages
German (de)
English (en)
Other versions
EP1860295B1 (fr
EP1860295A3 (fr
Inventor
Bernd Stadler
Volker Hoffmann
Eberhard Storz
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP1860295A2 publication Critical patent/EP1860295A2/fr
Publication of EP1860295A3 publication Critical patent/EP1860295A3/fr
Application granted granted Critical
Publication of EP1860295B1 publication Critical patent/EP1860295B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation

Definitions

  • the invention relates to an exhaust system for a motor vehicle with an exhaust tailpipe baffle which can be placed on exhaust pipes according to the preamble of claim 1.
  • an exhaust end pipe orifice for an exhaust system of a motor vehicle which has an exhaust end pipe with a deferred inner pipe, which deflects the exhaust gas flow downwards toward the road surface.
  • the inner tube is surrounded by a diaphragm tube.
  • the object of the invention is to provide an exhaust system with a Abgasendrohrblende, which is exposed to the lowest possible heat loads or heat transfer to a surrounding vehicle rear part, in particular made of plastic, avoids.
  • the advantages achieved by the invention are that is avoided by an air gap insulation between the exhaust gas directly leading the exhaust gas pipes and a Abgasendrohrblende a direct heat transfer to the Abgasendrohrblende and thus the vehicle rear end made of plastic is not exposed to high heat loads.
  • This is done in such a way that the Abgasendrohrblende is connected via a holding device with one or two exhaust pipes of the exhaust system and between the Abgasendrohrbrende and the exhaust pipes each individual exhaust inner tubes are arranged, which are attached to the two exhaust pipes and firmly connected to the Abgasendrohrblende, wherein Forms a continuous channel between the two exhaust pipes and the receiving Abgasendrohrblende all around. This channel can thus have a heat-regulating effect in the driving state due to air flowing through.
  • the holding device is fixed and in a vertical center plane of two exhaust pipes, a projecting retaining tongue of the holding device is arranged , which is in a slot, for example T-slot, the Abgasendrohrblende inserted and held by a fastening means.
  • a threaded nut is fixed and in a bore of the Abgasendrohrblende a threaded screw to the threaded nut on the retaining tongue feasible and connectable to this.
  • the assembly of the threaded screw takes place from the underside of the exhaust system and the positive-locking position of the retaining tongue in the dovetail-shaped receptacle also ensures a laterally secure hold, which is particularly necessary for vibrations in the exhaust system.
  • the two exhaust inner tubes have on their outer peripheral surfaces a plurality of outwardly biased resilient clamping elements, which are supported in the inserted state in the Abgasendrohrblende of the inner wall and cause a firm connection to Abgasendrohrblende via screw.
  • the two exhaust pipes with the two exhaust pipes by a pipe expansion are directly plugged and facing away from the pipe expansion free ends of the two exhaust inner tubes have an air gap around the inner peripheral surface of the Abgasendrohrblende at the Ausmündungs Scheme of the exhaust gases.
  • a discharge of the exhaust gases of the internal combustion engine is possible from the exhaust pipes via the inner tubes, without these come into contact with the exhaust pipe diaphragm.
  • the exhaust gas inner tubes are each trumpet-shaped expanded in the Ausmündungs Scheme and between the mouth areas of the exhaust pipes and the mouth areas of the exhaust pipes an air gap is formed, the exhaust inner tubes are arranged in the Abgasendrohrblende continuously spaced from the inner wall and the channel results.
  • This channel between the exhaust inner tubes and the Abgasendrohrblende can result in driving an air flow and, as a result, a heat dissipation of heated by exhaust gases exhaust pipes. In particular, in a painting of the Abgasendrohrblende this is not damaged by heat loads.
  • FIG. 1 shows an end region of an exhaust system 1 of a motor vehicle, which essentially has an exhaust pipe 2 and, branching off from it, two exhaust pipes 3, 4 for upstream exhaust gas inner pipes 5, 6. These are held in a slipped Abgasendrohrblende 7, which projects for example through a section A of a vehicle rear part 8a, which is shown in more detail in Fig. 7.
  • the exhaust gas flow flows through the exhaust pipe 2 in the direction of arrow P, branches into the two adjoining exhaust pipes 3, 4 and then flows into the exhaust gas inner tubes 5, 6 and then flows outward.
  • the exhaust pipe 2 and the adjoining exhaust pipes 3, 4 are connected to the Abgasendrohrblende 7 via a holding device 10 (Fig. 3), which is attached to the exhaust pipes 3, 4. It consists essentially of a in a vertical center plane of the exhaust pipes 3, 4 arranged projecting retaining tongue 11 which is inserted into a T-slot-shaped receptacle 12 or a similar recording of Abgasendrohrblende 7 and this retaining tongue 11 is accurately supported and a fastening screw 14th is fixed.
  • the retaining tongue 11 has a fixed threaded nut 13 into which the fastening screw 14 is screwed, for which purpose it is inserted into a bore 15 of the exhaust end pipe diaphragm 7.
  • the exhaust inner tubes 5, 6 are connected to the Abgasendrohrblende 7, to which they have on its outer peripheral surface two opposing support bracket 16, 16a, which are supported in the inserted state in the Abgasendrohrblende 7 at the side of the receptacle 7 arranged paragraphs and screws 17, 18th are determinable in these.
  • a plurality of distributed resilient sprung elements 19 are arranged on the outer circumference of the exhaust inner tubes 5, 6.
  • the tight connection consists in each case of a pipe expansion 20 into which an opposite pipe end 21 of the exhaust pipes 5, 6 can be inserted.
  • the exhaust inner tubes 5, 6 are arranged in the Abgasendrohrblende 7, that forms a round extending air duct K between the exhaust inner tubes 5, 6 and the Abgasendrohrblende 7, so that during driving an air flow can take place, so that heat dissipation is ensured and the Abgasendrohrblende. 7 no more significant heat radiation is exposed and the vehicle rear part is largely kept free from harmful heat influences.
  • the exhaust pipe diaphragm 7 may for example consist of an aluminum casting or a sheet metal part, wherein the exhaust gas inner tube 5, 6 may consist of stainless steel, for example titanium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Exhaust Gas After Treatment (AREA)
EP07004846A 2006-05-24 2007-03-09 Véhicule à moteur avec système d'échappement Expired - Fee Related EP1860295B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006024269A DE102006024269A1 (de) 2006-05-24 2006-05-24 Abgasanlage

Publications (3)

Publication Number Publication Date
EP1860295A2 true EP1860295A2 (fr) 2007-11-28
EP1860295A3 EP1860295A3 (fr) 2008-05-28
EP1860295B1 EP1860295B1 (fr) 2009-08-12

Family

ID=38320198

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07004846A Expired - Fee Related EP1860295B1 (fr) 2006-05-24 2007-03-09 Véhicule à moteur avec système d'échappement

Country Status (6)

Country Link
US (1) US7874150B2 (fr)
EP (1) EP1860295B1 (fr)
JP (1) JP5065764B2 (fr)
CN (1) CN101085598B (fr)
AT (1) ATE439509T1 (fr)
DE (2) DE102006024269A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2950385A1 (fr) * 2009-09-22 2011-03-25 Peugeot Citroen Automobiles Sa Extremite de ligne d'echappement et vehicule equipe de cette extremite
EP2264293B1 (fr) * 2009-06-18 2017-07-05 Peugeot Citroën Automobiles SA Obturateur de jeu en extrémité de ligne d'échappement et véhicule incorporant cet obturateur

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008017894B4 (de) * 2008-04-09 2017-07-06 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Zweiflutiger Schalldämpferaustritt
US9328648B2 (en) * 2013-04-18 2016-05-03 Ford Global Technologies, Llc Protective shield to reduce exhaust soot and condensate deposition
US9536040B2 (en) 2013-04-18 2017-01-03 Ford Global Technologies, Llc Methods for designing an exhaust assembly for a vehicle
US9346350B2 (en) * 2013-04-18 2016-05-24 Ford Global Technologies, Llc Flush and sub-flush protective shields to reduce exhaust soot and condensate deposition
DE102013017947B4 (de) 2013-10-29 2015-10-22 Audi Ag Endrohrblende sowie Verfahren zur Montage einer Endrohrblende
DE102013021981B4 (de) 2013-12-20 2016-01-21 Audi Ag Abgasanlage einer Brennkraftmaschine sowie Verfahren zur Montage einer Endrohrblende auf einem Endrohr einer Abgasanlage einer Brennkraftmaschine
DE202015103869U1 (de) * 2015-07-23 2015-11-16 Cisma Solutions Aps Auspuffrohr-Montageanordnung
JP6929270B2 (ja) 2015-08-25 2021-09-01 アルテミス インテリジェント パワー リミティドＡｒｔｅｍｉｓ Ｉｎｔｅｌｌｉｇｅｎｔ Ｐｏｗｅｒ Ｌｉｍｉｔｅｄ 油圧装置の油圧剛性の測定及び使用
WO2017204279A1 (fr) * 2016-05-25 2017-11-30 本田技研工業株式会社 Couvercle de source de chaleur
JP6328174B2 (ja) * 2016-06-09 2018-05-23 本田技研工業株式会社 排気装置
DE102018121419B4 (de) * 2018-09-03 2024-03-21 Volkswagen Aktiengesellschaft Wärmeabschirmanordnung für ein Kraftfahrzeug
TR201820408A2 (tr) * 2018-12-25 2020-07-21 Tofas Tuerk Otomobil Fabrikasi Anonim Sirketi Egzoz kuyruk borulari i̇çi̇n bi̇r sabi̇tleme parçasi
JP7121665B2 (ja) * 2019-01-09 2022-08-18 本田技研工業株式会社 排気管フィニッシャーの取付部構造
US11441473B2 (en) 2020-02-24 2022-09-13 AMG Industries, LLC Clampless tail pipe assembly
DE102022119557B3 (de) 2022-08-04 2023-06-29 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasendrohranordnung für eine Abgasanlage eines Kraftfahrzeuges

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914426A1 (de) * 1999-03-30 2000-10-12 Daimler Chrysler Ag Doppelwandiges Endrohr für ein Abgasrohr einer Abgasanlage eines Kraftfahrzeuges
DE10025121A1 (de) * 2000-05-20 2001-12-06 Bayerische Motoren Werke Ag Auspuffendrohr für ein Kraftfahrzeug
EP1428743A2 (fr) * 2002-12-13 2004-06-16 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Carenage arrière avec obturateur de tuyau de sortie d'échappement attaché audit carenage
DE10355472A1 (de) * 2003-11-27 2005-07-07 Daimlerchrysler Ag Endrohrblende für eine Abgasanlage eines Kraftfahrzeugs
JP2005299411A (ja) * 2004-04-07 2005-10-27 Honda Motor Co Ltd 車両における排気系フィニッシャーの配置構造

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623279A (en) * 1984-07-16 1986-11-18 Pave-Mark Corporation Preheater for road stripe applicators
US5466900A (en) * 1994-03-04 1995-11-14 Knapp; William Tail pipe adapter
US6220387B1 (en) * 1999-10-21 2001-04-24 Mathew S. Hoppes Exhaust muffler
GB2383606B (en) * 2000-10-11 2004-11-10 Honda Motor Co Ltd Exhaust system of an engine
US6491418B1 (en) * 2001-07-30 2002-12-10 Kuo-Tai Chen Vehicular exhaust pipe with illuminating devices
JP2003172138A (ja) * 2001-12-03 2003-06-20 Suzuki Motor Corp 内燃機関の排気装置
US7743816B2 (en) * 2002-05-15 2010-06-29 Behr Gmbh & Co. Kg Switchable waste gas exchanger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914426A1 (de) * 1999-03-30 2000-10-12 Daimler Chrysler Ag Doppelwandiges Endrohr für ein Abgasrohr einer Abgasanlage eines Kraftfahrzeuges
DE10025121A1 (de) * 2000-05-20 2001-12-06 Bayerische Motoren Werke Ag Auspuffendrohr für ein Kraftfahrzeug
EP1428743A2 (fr) * 2002-12-13 2004-06-16 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Carenage arrière avec obturateur de tuyau de sortie d'échappement attaché audit carenage
DE10355472A1 (de) * 2003-11-27 2005-07-07 Daimlerchrysler Ag Endrohrblende für eine Abgasanlage eines Kraftfahrzeugs
JP2005299411A (ja) * 2004-04-07 2005-10-27 Honda Motor Co Ltd 車両における排気系フィニッシャーの配置構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2264293B1 (fr) * 2009-06-18 2017-07-05 Peugeot Citroën Automobiles SA Obturateur de jeu en extrémité de ligne d'échappement et véhicule incorporant cet obturateur
FR2950385A1 (fr) * 2009-09-22 2011-03-25 Peugeot Citroen Automobiles Sa Extremite de ligne d'echappement et vehicule equipe de cette extremite

Also Published As

Publication number Publication date
CN101085598B (zh) 2012-07-11
JP2007315384A (ja) 2007-12-06
JP5065764B2 (ja) 2012-11-07
EP1860295B1 (fr) 2009-08-12
DE102006024269A1 (de) 2007-11-29
EP1860295A3 (fr) 2008-05-28
ATE439509T1 (de) 2009-08-15
CN101085598A (zh) 2007-12-12
DE502007001272D1 (de) 2009-09-24
US20070271911A1 (en) 2007-11-29
US7874150B2 (en) 2011-01-25

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