WO2003072981A1 - Joint plat pour moteurs a combustion interne - Google Patents

Joint plat pour moteurs a combustion interne Download PDF

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Publication number
WO2003072981A1
WO2003072981A1 PCT/DE2003/000336 DE0300336W WO03072981A1 WO 2003072981 A1 WO2003072981 A1 WO 2003072981A1 DE 0300336 W DE0300336 W DE 0300336W WO 03072981 A1 WO03072981 A1 WO 03072981A1
Authority
WO
WIPO (PCT)
Prior art keywords
flat gasket
bead
sealing element
cylinder head
flat
Prior art date
Application number
PCT/DE2003/000336
Other languages
German (de)
English (en)
Inventor
Timo Walz
Original Assignee
Federal-Mogul Sealing Systems Bretten Gmbh & Co. Kg
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 Federal-Mogul Sealing Systems Bretten Gmbh & Co. Kg filed Critical Federal-Mogul Sealing Systems Bretten Gmbh & Co. Kg
Priority to AU2003208281A priority Critical patent/AU2003208281A1/en
Priority to DE10390782T priority patent/DE10390782D2/de
Publication of WO2003072981A1 publication Critical patent/WO2003072981A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • 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 
    • F02F11/002—Arrangements of sealings in combustion engines  involving cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J2015/0856—Flat gaskets with a non-metallic coating or strip

Definitions

  • the invention relates to a flat gasket for internal combustion engines, in particular cylinder head gasket, with at least one metallic layer which is coated with an elastically-plastically deformable sealing element in the region of the T-points to be sealed, the sealing element being deformed after the flat gasket has been installed as a result of sealing surface pressure such that it is displaced beyond an end face area of the flat gasket in the direction of the T-points.
  • DE-A 198 45 320 describes a cylinder head gasket for an internal combustion engine with a housing screwed to the side of an engine block and sealed by the cylinder head gasket for receiving drive means, an elastic gasket made of elastomeric material being arranged at the front end area of the cylinder head gasket for sealing the housing , which, when installed, extends into a gap that results from the engine head housing and cylinder head due to tolerances.
  • This type of column is called a T-point.
  • At least one depression is arranged at the front end area of the cylinder head gasket, the depth of which continuously decreases radially inward from the end area.
  • the elastic seal is accommodated in the recess without projecting beyond the end region of the cylinder head gasket, the recess when the cylinder head gasket is installed being deformable as a result of the sealing surface pressure such that the seal is displaced towards the front end region.
  • the elastic seal will be pushed out of the recess when the flat gasket is transported, specifically when several metal layers are stacked on top of one another.
  • EP-B 0646 714 is a metal flat gasket for two parts to be braced together on their abutting surfaces by means of screw bolts, in particular an internal combustion engine, with a flat gasket part consisting of a metal sheet, which has a corresponding one to the abutting surfaces to be sealed Has holes provided for the bolts and is provided with at least one opening area and a bead preferably surrounding the opening area.
  • the flat sealing part is surface-coated and in the area of the T-points to be sealed, preferably in pockets, coated with a plastically deformable sealing material such that the sealing material is pressed into the adjacent areas of the flat sealing part during assembly.
  • the sealing material is unprotected during transport of the flat seal, as soon as a slight pressure is exerted on the pocket, sealing material penetrates beyond the edge region of the seal and can then be sheared off.
  • a separate chain case housing In the case of internal combustion engines, designs come into play, among other things, in which the drive chain is lubricated in an oil-guided manner in a separate chain case housing. Such a housing can be connected to the motor head and block by forming a T-point. It is characteristic of the seal that at least two seals must be in contact with one another at such an interface, the positive connection being produced by specifically used sealing elements at the joints of the two seal partners.
  • the sealing material can already be destroyed during transport, so that it cannot deliberately penetrate into the adjacent sealing area of the T-point. It can thus happen that only a partial seal is created and the desired tightness is not achieved.
  • the invention has for its object to develop the flat gasket described in the generic part of the first claim so that the disadvantages of the prior art no longer exist, so that in particular cylinder head gaskets can be easily transported without damaging the sealing elements.
  • FIG. 1 schematic diagram of a possible design of an internal combustion engine
  • FIG. 2 partial view of a built-in flat gasket in an internal combustion engine.
  • FIG. 3 shows a detail of a top view of various bead profiles according to FIG. 2
  • FIG. 1 shows a possible design of an internal combustion engine 1, including a cylinder head 2, a cylinder block 3 and a chain case 4.
  • a cylinder head gasket not shown
  • a flat gasket also not shown
  • Columns 5, 6 define the so-called T-location 8.
  • FIG. 2 shows a section of a single-layer flat gasket, which is designed here as a cylinder head gasket 7 and rests on the cylinder block 3.
  • a bead 9 according to the invention is arranged at one point of the cylinder head gasket 7.
  • the bead 9 surrounds a sealing element 10 in the form of an elastomer point.
  • the bead 9 is shown in the not yet tensioned state.
  • the bead 9 is interrupted at the front end region 11 of the cylinder head gasket 7, ie it runs mainly around three sides of the sealing element 10.
  • the bead 9 is first deformed, in that the bead 9 is not formed all round rather is interrupted to one side, the sealing element 10 can only deflect to this open side during tensioning and thus produce the desired seal in the region of the T-point 8.
  • the bead 9 serves to protect the sealing element 10 during transport and storage of the flat seal. Even in the case of multi-layer flat seals, the bead 9 serves to ensure that the sealing element 10 does not come into operative connection with the other layers.
  • the height of the bead 9 must be designed so that it is at least as large as the height of the sealing element 10.
  • FIG. 3 shows different variants of the bead 9.9 ', 9 "of a cylinder head gasket 7.7'.
  • FIG. 3a shows an approximately horseshoe-shaped shape
  • FIG. 3b discloses an approximately mushroom-shaped shape.
  • the design of the bead 9 is dependent on 3c also shows a recess 12 in the cylinder head gasket 7 '.
  • This recess 12 serves as an escape space for a displaced sealing element 10 when the gap of the T- to be sealed
  • the recess is designed so that a boundary edge 13 is set back in relation to the front end region 11 of the cylinder head gasket 7 '.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Gasket Seals (AREA)

Abstract

La présente invention concerne un joint plat destiné à des moteurs à combustion interne, notamment un joint de culasse (7, 7') comprenant une zone métallique qui est recouverte d'un élément d'étanchéité (10) à déformation élastique-plastique au niveau des zones en T (8) à rendre étanche. L'élément d'étanchéité (10) est entouré d'un collet (9) qui présente une rupture en direction de la zone en T (8). Le collet (9) sert de protection de transport et de corps de déplacement pour l'élément d'étanchéité (10).
PCT/DE2003/000336 2002-02-27 2003-02-06 Joint plat pour moteurs a combustion interne WO2003072981A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003208281A AU2003208281A1 (en) 2002-02-27 2003-02-06 Flat gasket for internal combustion engines
DE10390782T DE10390782D2 (de) 2002-02-27 2003-02-06 Flachdichtung für Brennkraftmaschinen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002108438 DE10208438B4 (de) 2002-02-27 2002-02-27 Zylinderkopfdichtung für Brennkraftmaschinen
DE10208438.6 2002-02-27

Publications (1)

Publication Number Publication Date
WO2003072981A1 true WO2003072981A1 (fr) 2003-09-04

Family

ID=27740457

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/000336 WO2003072981A1 (fr) 2002-02-27 2003-02-06 Joint plat pour moteurs a combustion interne

Country Status (3)

Country Link
AU (1) AU2003208281A1 (fr)
DE (2) DE10208438B4 (fr)
WO (1) WO2003072981A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646714B1 (fr) 1993-10-02 1996-12-04 Elring Klinger Gmbh Dispositif d'étanchéité en métal
EP0872671A2 (fr) * 1997-04-18 1998-10-21 Nippon Gasket Co., Ltd. Joint métallique entre trois surfaces
DE19845320A1 (de) 1998-10-01 2000-04-06 Federal Mogul Sealing Sys Spa Zylinderkopfdichtung
EP1241383A2 (fr) * 2001-03-15 2002-09-18 Federal-Mogul Sealing Systems GmbH Joint plat, en particulier joint de culasse

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11336902A (ja) * 1998-05-27 1999-12-07 Ishino Gasket Kogyo Kk メタルシリンダーヘッドガスケット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646714B1 (fr) 1993-10-02 1996-12-04 Elring Klinger Gmbh Dispositif d'étanchéité en métal
EP0872671A2 (fr) * 1997-04-18 1998-10-21 Nippon Gasket Co., Ltd. Joint métallique entre trois surfaces
DE19845320A1 (de) 1998-10-01 2000-04-06 Federal Mogul Sealing Sys Spa Zylinderkopfdichtung
EP1241383A2 (fr) * 2001-03-15 2002-09-18 Federal-Mogul Sealing Systems GmbH Joint plat, en particulier joint de culasse

Also Published As

Publication number Publication date
DE10208438B4 (de) 2004-07-08
DE10208438A1 (de) 2003-09-11
DE10390782D2 (de) 2005-01-27
AU2003208281A1 (en) 2003-09-09

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