EP0049459A1 - Aménagement de garnitures d'étanchéité pour collecteur d'échappement - Google Patents

Aménagement de garnitures d'étanchéité pour collecteur d'échappement Download PDF

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Publication number
EP0049459A1
EP0049459A1 EP81107722A EP81107722A EP0049459A1 EP 0049459 A1 EP0049459 A1 EP 0049459A1 EP 81107722 A EP81107722 A EP 81107722A EP 81107722 A EP81107722 A EP 81107722A EP 0049459 A1 EP0049459 A1 EP 0049459A1
Authority
EP
European Patent Office
Prior art keywords
seal
cylinder head
sealing
exhaust manifold
arrangement
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
EP81107722A
Other languages
German (de)
English (en)
Other versions
EP0049459B1 (fr
Inventor
Richard Ing.-Grad. Henning
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to AT81107722T priority Critical patent/ATE5740T1/de
Publication of EP0049459A1 publication Critical patent/EP0049459A1/fr
Application granted granted Critical
Publication of EP0049459B1 publication Critical patent/EP0049459B1/fr
Expired 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 ; 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F11/00—Arrangements of sealings in combustion engines 

Definitions

  • the invention relates to a sealing arrangement of the type described in the preamble of the claim.
  • the invention has for its object to form a sealing arrangement of the type according to the preamble of the claim so that the seal is fixed to a component and thereby a displacement of the same is avoided with multiple thermal expansion and cooling of the components.
  • the invention solves this problem by the characterizing features of the claim.
  • the seal protrudes beyond the sealing surface of the component with the smaller thermal expansion, it is not pressed together during assembly in its protruding edge area, but is deformed in such a way that the edge of the seal encompasses the sealing surface of this component on the circumference, so that the seal on it Way is secured against moving.
  • the sealing surface of the component with the greater thermal expansion can slide on the seal, because the protruding edge of this sealing surface cannot be pressed into the seal during assembly.
  • the drawing shows a seal arrangement between the exhaust manifold and the cylinder head of an internal combustion engine.
  • a seal 7 is arranged between the sealing surface 1 on the flange 2 at the inlet end of an iron-metallic exhaust pipe manifold 3 made of gray cast iron or cast steel and a sealing surface 4 of a cylinder head 5 made of light metal at the end of an exhaust port 6 of an internal combustion engine, not shown.
  • the seal 7 is on the outer circumference of the sealing surface 4 of the cylinder head 5 at least over part of the outer circumference and the sealing surface 1 of the exhaust manifold 3 covers the seal 7 on both the outer and the inner circumference.
  • the seal 7 When mounting the exhaust manifold 3 on the cylinder head 5, the seal 7 is compressed and deformed such that its projecting edge 8 engages around the sealing surface 4 on the cylinder head 5 on the outer circumference. In contrast, the inner and outer boundary edges of the sealing surface 1 cannot be pressed into the seal 7 during assembly, since they protrude beyond the edges thereof.
  • the cooled cylinder head 6 expands less than the uncooled exhaust manifold 3, which heats up to red heat.
  • the special arrangement of the seal 7 prevents the same from being displaced since the seal 7 is fixed on the sealing surface 4 and the sealing surface 1 can slide on the seal 7.
  • the total length and arrangement of the sections defining the seal 7 can be matched to the forces that occur during the thermal expansion of the sealing surface 1.
  • the dimensions of the sealing surface 1 and the seal 7 can thereby be limited to a necessary dimension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)
  • Exhaust Silencers (AREA)
EP81107722A 1980-10-07 1981-09-29 Aménagement de garnitures d'étanchéité pour collecteur d'échappement Expired EP0049459B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107722T ATE5740T1 (de) 1980-10-07 1981-09-29 Dichtungsanordnung an abgaskruemmer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803037806 DE3037806A1 (de) 1980-10-07 1980-10-07 Dichtungsanordnung
DE3037806 1980-10-07

Publications (2)

Publication Number Publication Date
EP0049459A1 true EP0049459A1 (fr) 1982-04-14
EP0049459B1 EP0049459B1 (fr) 1983-12-28

Family

ID=6113789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107722A Expired EP0049459B1 (fr) 1980-10-07 1981-09-29 Aménagement de garnitures d'étanchéité pour collecteur d'échappement

Country Status (4)

Country Link
EP (1) EP0049459B1 (fr)
JP (1) JPS5925869B2 (fr)
AT (1) ATE5740T1 (fr)
DE (2) DE3037806A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1751610A1 (de) * 1968-06-28 1971-05-19 Reinz Dichtung Gmbh Boerdeleinfassung von Zylinderkopfdichtungen
FR2218777A5 (fr) * 1973-02-16 1974-09-13 Peugeot & Renault

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7301420U (de) * 1973-04-26 Waldenmaier J Erben Sueddeutsche Armaturenfabrik Dichtung fur Armaturen
DE1715774U (de) * 1955-01-08 1956-01-26 Abel Und Ebel K G Dichtungsring aus gummi od. dgl. fuer rohrleitungen.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1751610A1 (de) * 1968-06-28 1971-05-19 Reinz Dichtung Gmbh Boerdeleinfassung von Zylinderkopfdichtungen
FR2218777A5 (fr) * 1973-02-16 1974-09-13 Peugeot & Renault

Also Published As

Publication number Publication date
ATE5740T1 (de) 1984-01-15
DE3037806A1 (de) 1982-05-06
JPS5791348A (en) 1982-06-07
JPS5925869B2 (ja) 1984-06-21
DE3161795D1 (en) 1984-02-02
EP0049459B1 (fr) 1983-12-28

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