EP0861975A2 - Abgaskrümmerflansch für eine Brennkraftmaschine - Google Patents
Abgaskrümmerflansch für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP0861975A2 EP0861975A2 EP98102983A EP98102983A EP0861975A2 EP 0861975 A2 EP0861975 A2 EP 0861975A2 EP 98102983 A EP98102983 A EP 98102983A EP 98102983 A EP98102983 A EP 98102983A EP 0861975 A2 EP0861975 A2 EP 0861975A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust manifold
- base part
- manifold flange
- flange
- flange according
- 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- Withdrawn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
Images
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
- F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
-
- 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
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/494—Fluidic or fluid actuated device making
Definitions
- the invention relates to an exhaust manifold flange for a Internal combustion engine according to the preamble of claim 1 Art.
- Exhaust manifolds are known from the prior art, the are designed as castings and cast on Have flange.
- the exhaust manifold flange is also intended to do this contribute to the tightened conditions of the new exhaust gas laws to meet, have lower manufacturing costs and moreover, despite its light weight have sufficient bending stiffness.
- this task is characterized by Part of claim 1 mentioned features solved.
- the base part according to the invention made of sheet steel a significantly reduced weight of the entire exhaust manifold flange, because the steel sheet is very thin can be.
- the base part according to the invention on its outer contour or all around with a flange.
- Another advantage is that through the fixed in the receiving holes usable exhaust pipe a tight connection for discharging exhaust gas from an internal combustion engine arises.
- the base part 4 There are also 2 mounting holes in the base part 4 for exhaust pipes or flue pipes 5.
- the mounting holes 4 are also provided with flanges 6, which are arranged in a ring around the receiving bores 4.
- the base part 2 is between the mounting holes 4 with additional intermediate recesses 8 provided.
- the rigidity of the exhaust manifold flange 1, the intermediate cutouts 8 similar to the base part 2 and the mounting holes 4 Edging 9 on.
- the dashed line in Fig. 1 represents that the intermediate recesses 8 attached in this way in the base part 2 are that the remaining residual areas are in the form of individual flanges Have 10. This represents a further optimization the rigidity of the exhaust manifold flange 1.
- Base part 2 is formed by stamping to increase rigidity the exhaust manifold flange 1 to increase.
- FIG. 2 is in addition to the representation according to FIG. 1 the welding of the exhaust pipe 5 with the mounting holes 4 shown on the flanges 6. This weld is facing one of the internal combustion engine Side of the exhaust manifold flange 1 performed.
- the mounting holes 4 can be made very dimensionally will.
- the receiving holes 4 can e.g. with a tolerance be carried out in the H7 area and the exhaust ports 5 have a small excess.
- the resulting press fit increases the fatigue strength of the welded joint.
- the extents or heights as well the wall thicknesses of the flanges 3, 6 and 9 can be seen.
- the flanges 3, 6 and 9 are made by cold forming ironed, the extent of the extent being determined by the degree of deformation the flanges 3, 6 and 9 are affected can. There is a strain hardening of the flanges 3, 6 and 9.
- the bending stiffness of the flanges 3, 6 and 9 achieved about two to four times as much large extent of the flanges 3, 6 and 9 based on the wall thickness of the base part 2 is an optimal value. In in practice, the wall thickness of the base part 2 is 2-4 mm, whereas the flanges 3, 6 and 9 extend of 6-10 mm.
- the cut edges created by the forming on the Exhaust manifold flange 1 can be formed by molding, not shown Radii are rounded, with the risk of injury can be reduced by sharp edges.
- the top edges of the flanges 3, 6 and 9 are remelted or alloyed. This contributes an additional increase in the bending stiffness of the exhaust manifold flange 1 at.
- FIG. 3 shows a section through the exhaust manifold flange 1, with a circumferential elevation 11 on that of the internal combustion engine facing bottom of the base part 2 shown is.
- the circumferential elevation 11 forms with the wall of the Internal combustion engine a sealing surface, with no additional Sealants are needed.
- the exhaust manifold flange 1 does not lie with its entire area on the internal combustion engine, causing the pressure on the Sealing surface increases several times. This seal can be improved in that the circulation survey 11 is convex or conical.
- the high of circumferential elevation 11 is usually between 0.1 - 2 mm.
- the circumferential elevation 11 reduces the heat absorption of the exhaust manifold flange 1 in the start phase of Internal combustion engine.
- the revolving elevation 11 with a revolving To provide recess 12.
- the recess 12 can sealing ring, not shown, or any other Sealants are used, which is very simple can be trained.
- the elevation 11 and the molded therein Recess 12 are in the enlarged view 4 can be seen more precisely.
- the heat transfer between the exhaust manifold flange 1 and to reduce the internal combustion engine is the sealing surface provided with a ceramic coating, not shown.
- FIG. 5 shows a section through the exhaust manifold flange 1, two different embodiments of the flanging 9 are shown.
- Figures 6 to 8 show a further embodiment of the Exhaust manifold flange 1, which in this case as a single flange 1 is formed and only one receiving bore 4th for the not yet installed in this case and therefore Exhaust pipe 5 not shown.
- Exhaust manifold flange 1 which in this case as a single flange 1 is formed and only one receiving bore 4th for the not yet installed in this case and therefore Exhaust pipe 5 not shown.
- the single flange 1 is also circumferential Flanging 3, as well as the receiving bore 4 with a flange 6 is provided.
- FIG. 8 shows the cross-section of the flanging 6 in more detail whose width extends in the direction of the base part 2 enlarged.
- the flange 6 is on the receiving bore 4 opposite side in the form of a so-called Tractrix curve formed. This broadening of the flanging enlarged together with the formation of a tractrix curve the fatigue strength of the flare 6.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
- Fig. 1
- eine Draufsicht auf eine Ausführungsform des erfindungsgemäßen Abgaskrümmerflansches;
- Fig. 2
- einen Schnitt nach der Linie II-II aus Fig. 1;
- Fig. 3
- einen Schnitt nach der Linie III-III aus Fig. 1;
- Fig. 4
- eine vergrößerte Darstellung gemäß der Linie IV aus Fig. 3;
- Fig. 5
- einen Schnitt nach der Linie V-V aus Fig. 1;
- Fig. 6
- eine Draufsicht auf eine weitere Ausführungsform des erfindungsgemäßen Abgaskrümmerflansches;
- Fig. 7
- einen Schnitt nach der Linie VII-VII aus Fig. 6; und
- Fig. 8
- eine vergrößerte Darstellung gemäß der Linie VIII aus Fig. 7;
Claims (11)
- Abgaskrümmerflansch für eine Brennkraftmaschine, mit welchem wenigstens ein Abgasstutzen verbindbar ist und welcher Befestigungsmittel aufweist,
gekennzeichnet durch
folgende Merkmale:1.1 ein Basisteil (2) aus Stahlblech,1.2 das Basisteil (2) ist mit einer Umbördelung (3) versehen, die sich wenigstens annähernd über die gesamte Außenkontur des Basisteiles (2) erstreckt,1.3 wenigstens eine Aufnahmebohrung (4) zur Aufnahme des wenigstens einen Abgasstutzens (5) in dem Basisteil (2), die mit einer Umbördelung (6) versehen ist,1.4 der wenigstens eine Abgasstutzen (5) ist fest in die Aufnahmebohrung (4) einsetzbar, und1.5 die Befestigungsmittel weisen Bohrungen (7) auf, die in dem Basisteil (2) angeordnet sind. - Abgaskrümmerflansch nach Anspruch 1,
dadurch gekennzeichnet, daß
der wenigstens eine Abgasstutzen (5) in das Basisteil (2) eingeschweißt ist. - Abgaskrümmerflansch nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
sich in dem Basisteil (2) mehrere Aufnahmebohrungen (4) befinden, zwischen welchen Zwischenaussparungen (8) angeordnet sind. - Abgaskrümmerflansch nach Anspruch 3,
dadurch gekennzeichnet, daß
die Zwischenaussparungen (8) mit Umbördelungen (9) versehen sind. - Abgaskrümmerflansch nach Anspruch 3 oder 4,
dadurch gekennzeichnet, daß
die Zwischenaussparungen (8) so ausgebildet sind, daß die verbleibende Restfläche für jede Aufnahmebohrung (4) jeweils wenigstens annähernd eine Einzelflanschform (10) aufweist. - Abgaskrümmerflansch nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Umbördelungen (3, 6, 9) jeweils eine ca. 2 bis 4 mal so große Erstreckung aufweisen wie die Wandstärke des Basisteiles (2). - Abgaskrümmerflansch nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß
an der der Brennkraftmaschine zugewandten Seite des Basisteiles (2) eine als Dichtfläche ausgebildete umlaufende Erhebung (11) angeordnet ist. - Abgaskrümmerflansch nach Anspruch 7,
dadurch gekennzeichnet, daß
die umlaufende Erhebung (11) konvex oder kegelförmig ausgebildet ist. - Abgaskrümmerflansch nach Anspruch 7 oder 8,
dadurch gekennzeichnet, daß
in die umlaufende Erhebung (11) eine Vertiefung (12) eingeformt ist. - Abgaskrümmerflansch nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet, daß
die Dichtfläche mit einer Keramikbeschichtung versehen ist. - Abgaskrümmerflansch nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß
die Breite der Umbördelung (6) der Aufnahmebohrung (4) sich in Richtung des Basisteiles (2) vergrößert, wobei die der Aufnahmebohrung (4) abgewandte Seite der Umbördelung (6) in Form einer Traktrix-Kurve ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19708392 | 1997-03-01 | ||
DE19708392A DE19708392A1 (de) | 1997-03-01 | 1997-03-01 | Abgaskrümmerflansch für eine Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0861975A2 true EP0861975A2 (de) | 1998-09-02 |
EP0861975A3 EP0861975A3 (de) | 2001-03-14 |
Family
ID=7821962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98102983A Withdrawn EP0861975A3 (de) | 1997-03-01 | 1998-02-20 | Abgaskrümmerflansch für eine Brennkraftmaschine |
Country Status (3)
Country | Link |
---|---|
US (1) | US6254142B1 (de) |
EP (1) | EP0861975A3 (de) |
DE (1) | DE19708392A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001011209A1 (de) * | 1999-08-05 | 2001-02-15 | Haerle Hans A | Abgaskrümmer |
US7926852B2 (en) * | 2006-12-09 | 2011-04-19 | Heinrich Gillet Gmbh | Manifold flange |
EP2407649A1 (de) * | 2010-07-12 | 2012-01-18 | J. Eberspächer GmbH & Co. KG | Flanschplatte, Flanschverbindung und Abgaskrümmer |
FR2981403A1 (fr) * | 2011-10-12 | 2013-04-19 | Faurecia Sys Echappement | Collecteur d'echappement a bride fine, et procede de fabrication correspondant |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6672627B1 (en) * | 2001-02-14 | 2004-01-06 | Deere & Company | Lightweight air coupler |
SE0101451L (sv) * | 2001-04-26 | 2002-04-09 | Press & Plaatindustri Ab | Grenrör |
US7272927B2 (en) * | 2003-11-07 | 2007-09-25 | Heinrich Gillet Gmbh | Air gap-insulated exhaust manifold for internal combustion engines |
US7231762B2 (en) * | 2004-02-25 | 2007-06-19 | Darryl C. Bassani | Exhaust manifold flange |
US20060032219A1 (en) * | 2004-08-12 | 2006-02-16 | Perkins Engines Company | Power system exhaust manifold |
DE102009060003B4 (de) * | 2009-12-21 | 2013-12-19 | Tenneco Gmbh | Krümmeranordnung |
WO2012063096A1 (en) * | 2010-11-08 | 2012-05-18 | Faurecia Systemes D'echappement | Exhaust manifold with thin flanges |
US9228462B2 (en) * | 2014-02-06 | 2016-01-05 | Caterpillar Inc. | Jacket-cooled exhaust manifold |
US9687784B2 (en) | 2014-04-08 | 2017-06-27 | Tenneco Automotive Operating Company Inc. | Exhaust system having segmented service flange |
CN116291837A (zh) | 2018-05-15 | 2023-06-23 | 康明斯公司 | 双壁集成凸缘接头 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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CA474058A (en) * | 1951-05-29 | A.O. Smith Corporation | Couplings | |
US1208022A (en) * | 1914-09-21 | 1916-12-12 | Mccord Mfg Company | Radiator head-sheet. |
US2873098A (en) * | 1955-10-03 | 1959-02-10 | Yates American Machine Co | Heat exchange apparatus |
US3052452A (en) * | 1957-11-06 | 1962-09-04 | Taga Yoshikazu | Leakage preventing welding connection |
US3179449A (en) * | 1960-11-21 | 1965-04-20 | Walker Mfg Co | Pipe joint having internally stressed flange providing continuing axial bias |
US3275346A (en) * | 1964-06-08 | 1966-09-27 | Walker Mfg Co | Flange |
US4105227A (en) * | 1977-05-11 | 1978-08-08 | Ekberg Sven Erik | Flange joint between pipe lengths |
DE2806312A1 (de) * | 1978-02-15 | 1979-08-23 | Schulz Wilhelm | Flanschverbindung |
FR2417741A1 (fr) * | 1978-02-21 | 1979-09-14 | Ferodo Sa | Revetement de plaque a trous de boite a eau d'echangeur de chaleur a tubes |
DE2966553D1 (en) * | 1979-09-07 | 1984-02-23 | Wilhelm Schulz Apparate Und Ro | Flange |
DE3005813A1 (de) * | 1980-02-16 | 1981-09-03 | Daimler-Benz Ag, 7000 Stuttgart | Anschlussflansch fuer abgasleitungen einer brennkraftmaschine |
US4465129A (en) * | 1982-04-19 | 1984-08-14 | Blackstone Corporation | Heat exchanger core assembly construction and methods of making the same |
US4615500A (en) * | 1984-08-17 | 1986-10-07 | Layson Jeffrey D | Catalytic converter support hanger |
JPS61250326A (ja) * | 1985-04-30 | 1986-11-07 | Honda Motor Co Ltd | 内燃エンジンの排気マニホ−ルド |
US4777708A (en) * | 1987-03-17 | 1988-10-18 | Ap Industries, Inc. | Method for manufacturing an exhaust manifold |
DE3841529A1 (de) * | 1988-12-09 | 1990-06-13 | Bernd Ruecker | Flanschverbindung an einem kraftfahrzeug-auspuff |
DE4025652A1 (de) * | 1989-10-26 | 1991-05-02 | Hermanns Gebr Kremo Werke | Aufsteckflansch fuer rohrleitungen und verfahren zu seiner herstellung |
DE4315086A1 (de) * | 1993-05-06 | 1994-11-10 | Roth Technik Gmbh | Flansch für Rohrkrümmer an Verbrennungsmotoren |
DE9316960U1 (de) * | 1993-11-05 | 1995-03-16 | Prototechnik GmbH, 73529 Schwäbisch Gmünd | Vorrichtung zum Anschrauben von Auspuffkrümmern an einen Motorblock |
US5413389A (en) * | 1994-02-28 | 1995-05-09 | Schlicht; Gunter | Cast convoluted piping flange |
JPH09125948A (ja) * | 1995-10-31 | 1997-05-13 | Toshiomi Hayashi | エンジンの排気系配管類の組立方法及び組立構造 |
US5718046A (en) * | 1995-12-11 | 1998-02-17 | General Motors Corporation | Method of making a ceramic coated exhaust manifold and method |
DE29612841U1 (de) * | 1996-07-24 | 1996-09-19 | Meyer, Kurt, 32257 Bünde | Flansch mit einer oder mehreren Dichtflächen für Abgasanlagen für Verbrennungsmotore |
DE29615840U1 (de) * | 1996-09-11 | 1996-10-24 | Heinrich Gillet Gmbh & Co Kg, 67480 Edenkoben | Abgaskrümmer mit Flansch |
-
1997
- 1997-03-01 DE DE19708392A patent/DE19708392A1/de not_active Withdrawn
-
1998
- 1998-02-20 EP EP98102983A patent/EP0861975A3/de not_active Withdrawn
- 1998-02-27 US US09/032,235 patent/US6254142B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001011209A1 (de) * | 1999-08-05 | 2001-02-15 | Haerle Hans A | Abgaskrümmer |
US6789386B1 (en) | 1999-08-05 | 2004-09-14 | Hans A. Haerle | Exhaust gas manifold |
US7926852B2 (en) * | 2006-12-09 | 2011-04-19 | Heinrich Gillet Gmbh | Manifold flange |
EP2407649A1 (de) * | 2010-07-12 | 2012-01-18 | J. Eberspächer GmbH & Co. KG | Flanschplatte, Flanschverbindung und Abgaskrümmer |
US8661802B2 (en) | 2010-07-12 | 2014-03-04 | J. Eberspaecher Gmbh & Co. Kg | Flange plate, flange connection and exhaust manifold |
FR2981403A1 (fr) * | 2011-10-12 | 2013-04-19 | Faurecia Sys Echappement | Collecteur d'echappement a bride fine, et procede de fabrication correspondant |
Also Published As
Publication number | Publication date |
---|---|
DE19708392A1 (de) | 1998-09-03 |
EP0861975A3 (de) | 2001-03-14 |
US6254142B1 (en) | 2001-07-03 |
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