EP2486253A1 - Abgasanlage - Google Patents
AbgasanlageInfo
- Publication number
- EP2486253A1 EP2486253A1 EP10773261A EP10773261A EP2486253A1 EP 2486253 A1 EP2486253 A1 EP 2486253A1 EP 10773261 A EP10773261 A EP 10773261A EP 10773261 A EP10773261 A EP 10773261A EP 2486253 A1 EP2486253 A1 EP 2486253A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust
- groove
- face
- partition
- manifold
- 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
Links
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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
-
- 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
- F01N13/18—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
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
Definitions
- the invention relates to an exhaust system for a piston combustion engine comprising a multi-layered manifold having a plurality of cylinder connection pipes or manifold pipes Z1-Z4 and a Abgasauslassstutzen or flue outlet and an exhaust gas guide member with an exhaust pipe socket cast, which can be connected via the exhaust pipe connection to the Ab ⁇ gas clip or is weldable, wherein the manifold and at least the exhaust pipe socket of the exhaust guide element each have a partition which forms two separate exhaust passages A2a, A2b, A3a, A3b, each with a flow axis S2, S3, wherein the respective partition in the region of the nozzle a right angle or has at least transversely to the flow axis S2 extending end face.
- the end face is preferably formed as a free end face.
- the exhaust gas turbine is designed as a twin-scroll turbocharger, so that the manifold side grouping can be found in the turbocharger application.
- a divided exhaust manifold for internal combustion engines which is ge of three half-shells forms ⁇ , the mean half-shell forms a parting plane and a dividing plate.
- the exhaust manifold has four cylinder connecting pieces and two separate, adjacent thereto ⁇ exhaust ducts and a separate through the dividing plate exhaust pipe connection piece, at which the respective exhaust duct opens.
- the free, perpendicular to the flow axis extending end face of the dividing plate is flat or flat.
- an exhaust duct with a Tei ⁇ ment sheet is known.
- the dividing plate has two flat wall surfaces, in each of which an elongate groove and / or outlet provided for.
- the area of this groove or Ausneh ⁇ tion serves as a predetermined breaking point in the event of increased pressure loads due to different thermal expansion of exhaust duct and divider plate.
- the free, perpendicular to the flow axis S2 extending end face of the partition plate is flat or flat.
- a coupling piece between egg ⁇ ner intermediate wall of an exhaust manifold and an intermediate wall of an exhaust pipe is known.
- the coupling piece is curved or provided with an undercut. This ensures the flexibility of this connection underlying the main connection between the manifold and the exhaust pipe. Due to the limited width of the coupling piece, the tightness of this connection is not guaranteed.
- the free, perpendicular to the flow axis extending end face of the respective partition wall is flat or flat.
- the invention has the object of providing a partition wall for an exhaust system in such a way and to arrange that increased fatigue strength of the partition and high density of the connection is guaranteed.
- the object is achieved according to the invention in that the end face of the bend or at least one edge segment Rl, an edge segment R2 and / or a core segment K of Stirnflä ⁇ che at least in the warm state, ie during operation of the piston combustion, against the exhaust pipe socket in the axial direction of the flow axis S2, S3 or the geometry axis G at least partially.
- a He ⁇ increased tightness of this connector at least in the warm state, ie in the range of operating temperature guaranteed.
- the exhaust pipe is preferably constructed in three parts and has, in addition to the partition, which may be formed as a partition plate, a first and a second shell, which are connected to the partition wall.
- the Abgasauslassstutzen or exhaust nozzle and the exhaust pipe socket of the exhaust gas guide element generally have the same diameter.
- the object is also achieved by a system consisting of a three- or multi-shell exhaust manifold and a coupled thereto or welded, designed as a twin-scroll turbocharger or twin-scroll exhaust gas turbine exhaust guide element, preferably made of cast iron, wherein in the exhaust manifold and at least in The exhaust ducts of the Abgastur- bine the exhaust channels A2a, A3a of the exhaust ducts A2b, A3b through the partitions connected by the groove except for leaks in a maximum size of 0.05 to 1 mm or 0.1 mm to 0.3 mm from each other against gas exchange are ge ⁇ separates.
- Adverse leaks or a cross talk ⁇ surfaces of the exhaust channels and an associated fall in power and torque absence pending sub ⁇ pressure thus be prevented, or at least significantly verrin ⁇ device.
- the exhaust gas turbine is, as already stated, designed as a twin-scroll turbocharger.
- the core segment K rests against the partition wall and / or the respective edge segment Rl, R2 against a contact surface of the pipe socket.
- the partition wall has, as explained below, preferably a groove with a groove bottom, which serves as an abutment surface in the axial direction.
- a turbocharger-side contact surface is provided, which is aligned in the axial direction with the respective edge segment Rl, R2. It can also be advantageous for this purpose if an end face has an arcuate or wave-shaped profile running in the direction of the flow axis S2, S3 or a geometry axis G with one to ten or more recesses AI, A2 or at least profiled.
- the recesses AI, A2 arc-shaped, part-circle or groove-shaped and / or if the recesses AI, A2 have a width bA, with respect to. to the direction of the flow axis S2, S3 varies and / or if the recess AI or A2 with respect to the flow axis S2, S3 has an undercut H.
- the undercut H can be provided with reference to both directions, ie in the flow direction, and opposite to the flow direction alternatively or additionally.
- corresponding projections can also be provided, which ultimately ensure the formation of a cavity.
- edge segments Rl, R2 of the partition in the region of the end face are two radially outward and the core segment K is limited by the edge segments Rl, R2, wherein the recess AI, A2 between the core segment K and the respective Randsegmen- te Rl, R2 is provided.
- the recess AI, A2 is thus limited to the area between the edge segments Rl, R2. This area is subject due to the flow conditions of a particularly large heat load.
- edge segment Rl, R2 may be constructed as a pin, which in the direction of the flow axis S2, S3 protruding with respect to the core segment K or is set back.
- the edge ⁇ segment Rl, R2 is sealingly against the end face of the nozzle to be coupled.
- the end face in the transition region from the core segment K to the respective edge segment Rl, R2 has the recess AI, A2 and / or the transition region has a radius r on ⁇ .
- the transition region to Randseg ⁇ ment Rl, R2 is subject to a very high mechanical stress, because this is connected to the nozzle or ver ⁇ welded. This limits its thermally induced expansion.
- the inventively placed recesses or radii ensure the required voltage reduction.
- edge segments Rl, R2 have a distance aR and the distance aR corresponds to an inner diameter di2 of the exhaust nozzle.
- the width bK of the core segment K is thus limited to the inner diameter di2 of the Abgasrohrstut ⁇ zen or to the length 13 of the groove of the exhaust nozzle described below.
- the end face of the dividing wall of the manifold or of the exhaust pipe connecting piece which is preferably made of cast iron, has a connecting element of this type.
- Nende groove of length 13 having a groove base into which the other end face of the exhaust pipe socket or the partition wall of the manifold for connecting the partition walls can be inserted, wherein the length 13 corresponds to an inner diameter di3 of the exhaust pipe socket.
- the partition comprises at ⁇ least in the region of the groove has a width b2 of between 1 mm and 7 mm.
- the partition wall is part of the exhaust pipe socket, which is preferably formed from cast iron, and thus likewise made of cast iron.
- a minimum thickness between 1 mm and 3 mm is favorable because it can still be represented as a casting.
- the maximum thickness of 5 mm to 7 mm ensures a material and weight saving in the light of longevity.
- the exhaust pipe socket has a housing wall with an inner circumference Ui3 and in one end face of the housing wall over the inner circumference Ui3 is provided in the direction of the flow axis S2, S3 extending, ei ⁇ ne contact surface forming recess having a width b3.
- S3 extending, ei ⁇ ne contact surface forming recess having a width b3.
- the respective edge segment R 1, R 2 has a width b R which corresponds to the width b 3 of the paragraph speaks, and both edge segments have the distance aR, which corresponds to the width bK of the core segment and the length 13 of the groove, the centering between the connecting piece is ensured.
- the diameter of the heel thus corresponds to the outer distance of the two edge segments Rl, R2, whose position is thus in the radial direction be ⁇ true.
- the two edge segments Rl, R2 therefore sit on the frontal contact surface or are at least in axial alignment with this. Further, the shoulder or the frontal contact surface over the other partial circumference for receiving or conditioning of the two shells of the off ⁇ gas nozzle, whose position in the radial direction is determined by the paragraph. Finally, the point at which the exhaust nozzle dips into the paragraph or the exhaust pipe socket, optimal for the welding of the two nozzles.
- the groove base is provided with reference to the flow axis S2, S3 at least partially at the height of the end face or the contact surface.
- a simplified shaping of the groove is possible.
- the partition wall is at ⁇ least formed thicker in the area in front of the groove than a width b of the groove, wherein the partition wall has a flat portion having a thickness d in the region of the end surface, the thickness d is either equal to the width b is the groove or smaller than the width b of the groove.
- the partition can thus be made thicker over much of its length, which increases its stability and longevity. Due to the formation of the flattening and the concomitant change in the flow cross sections, an improved flow behavior can be observed.
- the groove base is formed flat or profiled and / or whose profiling corresponds to the profile of the end face, with respect to the flow axis a radial distance a between the groove bottom and the end face of at least 0.1 mm to 0, 3 mm is provided.
- the thermally induced expansion of the partition of the exhaust nozzle also takes place in the radial direction, relative to the partition wall or the groove bottom of the exhaust pipe socket.
- the profiling of the respective partition wall should be designed such that in each operating state, ie from ambient temperature to about 1100 ° C, said distance a is maintained, so that a distortion is prevented.
- the profile of the groove bottom can never run the mirror symmetry of the partition with respect to ganli ⁇ . A collision in the radial direction would thus be excluded.
- this may be, when the Abgaskanä ⁇ le A2a, A3a of the exhaust gas ducts A2b, A3b accommodated by means of the groove and the recess for abutment partitions to leaks or column in a size of 0.05 to 1 ma ⁇ ximal mm or 0.1 mm to 0.3 mm apart from gas exchange.
- the crosstalk of the exhaust ducts is thus prevented, at least significantly reduced.
- the core segment K has a distance aK from the groove base, wherein the distance aK is between 5% and 50%, between 25% and 35% or 30% of the depth tN of the groove.
- a relatively small distance aK is desirable.
- the part of the partition located in the groove is insulated from the exhaust gas, so that the heat input is produced only by heat conduction and not by convection. Since the separation ⁇ wall is fired on both sides, it is assumed that a higher heating than in the pipe wall. The higher heating is accompanied by an increased axial expansion. Consequently, the existing in the cold state distance aK would be reduced or closed after heating, so that an optimal tightness is guaranteed.
- Figure 1 is an idealized representation of the manifold with connected exhaust gas turbocharger housing
- Figure 2 shows the shell manifold in the exploded view and the exhaust gas turbocharger housing to be connected
- Figure 3a shows the exhaust and exhaust pipe socket as an exploded view and the exhaust pipe to be connected thereto;
- Figure 3b shows the exhaust pipe as an exploded view of FIG.
- Figure 4a is a sectional view of the mounted nozzle
- Figure 4b is a sectional view of Figure 4a, offset by 90 °;
- FIG. 4c shows a sectional illustration according to FIG. 4b according to exemplary embodiment FIG. 3b;
- FIG. 4d shows a detailed illustration from FIG. 4a;
- Figure 5 is a sectional view of Figure 4b with alterna ⁇ tive recess
- Figure 6 is a sectional view of Figure 5 with alterna ⁇ tive recess
- FIG. 7a shows a perspective view of the mounted connecting piece according to FIG. 3a or FIG. 4a / b in a top view;
- FIG. 7b shows a view according to FIG. 7a with a changed cross section
- Figure 7c is a view of Figure 7a, 7b with a modified
- Figure 8 shows various examples of the formation of savings ⁇ savings
- FIG. 9 shows a detailed illustration according to FIG. 6 with profiled groove bottom.
- An exhaust system 1 shown in Figure 1 has a manifold 2 and a connected thereto, as Abgasturbo ⁇ charger housing formed exhaust guide element 3.
- the manifold 2 has four cylinder connection pipes Z1-Z4 and manifold pipes Z1-Z4, which are connected on the engine side to a flange plate 2.7.
- At an opposite end of the manifold pipes Z1-Z4 form a common exhaust ⁇ lop 2.1.
- the exhaust gas turbocharger housing 3 has a Abgasrohrstut ⁇ zen 3.1, via which the exhaust gas turbocharger housing 3 is connected to the exhaust port 2.1 of the manifold 2.
- the manifold 2 is formed according to exploded view of Figure 2 from three shells 2a, 2b, 2c, wherein the shell 2c at least partially sandwiched between the Oberscha ⁇ le 2a and the lower shell 2b is added.
- the third shell 2c which is a division plane between the two saddle ⁇ len 2a, 2b is formed at its end as a partition turboladergephinuseeitigen 2.2.
- the Abgasturboladerge ⁇ housing 3 also has in the region of the exhaust pipe stub 3.1 on a partition 3.2.
- the partition wall 2.2 seals against the partition wall 3.2, the two partition walls 2.2, 3.2 being coupled via a tongue and groove connection.
- a groove is seen 3/3 before ⁇ within an end face of the partition 3.2s 3.2, in which the partition wall 2.2 is inserted with its end face 2.2s.
- the partition 2.2 has at its front end a flattening 2.3, so that the thickness of the partition 2.2 corresponds to a width b of the groove 3.3.
- the exhaust port 2.1 and the exhaust pipe ⁇ 3.1 are shown in detail, the exhaust gas zen ⁇ zen 2.1 is to be seen as an exploded view due to its dreischaligen structure.
- the exhaust pipe socket 3.1 is formed in one piece and has, in addition to a cylindrical housing wall 3.4, a partition 3.2.
- the partition wall 3.2 protrudes beyond the front end of the housing wall 3.4 in the axial direction and has a centrally arranged groove 3.3.
- the housing wall 3.4 has a recess 3.5 or a corresponding shoulder over its inner circumference Ui3.
- Paragraph 3.5 is for Recording of the respective end face of the first shell 2a and the second shell 2b as seen in sectional view Figure 4a.
- the groove 3.3 serves to receive the front end of the partition 2.2.
- the partition wall 2.2 comprises two formed as a pin edge segments Rl, R2, the wall 3.5 of the housing 3.4 the plant can be brought according to Figure 4b in ⁇ nerrenz the recess.
- the two edge segments Rl, R2 is a core segment K of the partition 2.2 with the width bK be ⁇ limits, which is placeable within the groove 3.3 according to Figure 4b.
- the respective edge segment Rl, R2 has a length 1R.
- a flattening 2.3 of the partition wall 2.2 is provided at least in the region of the core segment K, so that these according to Figure 4a, left side into which groove 3.3 is insertable.
- an arcuate transition is provided with the radius r of Figure 4b.
- the remaining core segment K projects with respect to this arcuate transition by approximately r / 2 in the axial direction, so that a length 1K of the core segment K according to FIG. 3a is smaller by approximately 40% than the length 1R.
- the groove 3.3 has a groove base 3.3G, compared to a contact surface 3.1a and the recess 3.5 in axial Direction protrudes and is arranged according to Figure 4a, 4b at the height ei ⁇ ner end face 3.1s.
- the offset between the groove base 3.3G and the end face 3.1s is slightly smaller than the difference between the length 1R and the length 1K, so that at least in the cold state between the core segment K and the end face 2.2s and the groove base 3.3G according to FIG 4b is given a distance aK.
- the partition 2.2 with flattening 2.3 (left side) and the partition 2.2 without flattening 2.3 (right side) are shown opposite one another.
- the flattening of 2.3 that protrudes through the groove 3.3 a local with reference to a flow axis S2 cross-sectional widening, with a drop of the dynamic pressure in this range results in the area of the portion brings.
- Turbocharger housing 3 remains, whereby a raised stabili ⁇ hung the dynamic pressure associated.
- the latter Druckhö ⁇ hung requires a higher density of the thus formed tongue and groove joint of the two partitions 2.2, 3.2 in order to reduce the crosstalk of the thus formed exhaust ducts A2a, A3a and A2b, A3b.
- the groove has a depth of 3.3 tN, the execution in accordance with ⁇ form 4a, left side, is smaller than a height hA of the flattening 2.3.
- a bevel 2.5 is provided in a corresponding manner.
- the exhaust nozzle 2.1 is seated inside the recess 3.5 of the housing wall 3.4.
- An inner diameter di2 of the exhaust gas nozzle 2.1 here is slightly smaller than an inner diameter di3 of the housing wall 3.4 of the exhaust pipe connection 3.1.
- the exhaust port 2.1 is frontally centered by the recess 3.5 in the radial direction.
- a width b3 of the recess 3.5 is smaller than the wall thickness of the exhaust gas nozzle 2.1, whereby the difference between the two inner diameters di2, di3 is justified.
- the dividing wall 2.2 is likewise centered on the two edge segments R1, R2 within the recess 3.5.
- the respective edge segment R1, R2 has a width bR which corresponds to the width b3 of the depression 3.5 in the region of the dividing wall 3.2, so that the respective edge segment R1, R2 projects radially outward in the region of the depression 3.5 against the housing wall 3.4 can be applied and on the other hand in the radial direction inwardly against the partition wall 3.2 can be applied or applied to ensure the necessary tightness of the thus formed tongue and groove connection of the partitions 2.2, 3.2.
- FIG. 4c depicts the exemplary embodiment according to FIG. 3b. Thereafter, between the respective edge segment Rl, R2 and the core segment K also an arcuate transition with the radius r according to Figure 4c. However, the remaining core segment K is not protruded in the axial direction, so that the length 1K of the core segment K is approximately equal to the length 1R.
- a common recess AI is also provided according to exemplary embodiment FIG.
- the recess AI itself has the much larger radius ra.
- Figure 7a is as stated in the plan view according to the embodiment can clearly be seen that the exhaust ⁇ 2.1 clip formed by the two shells 2a, 2b, and the partition 2.2 are centered within the recess 3.5 of the exhaust pipe stub 3.1, wherein the partition wall 2.2 is disposed within the groove 3.3 of the partition wall 3.2.
- the partition wall 3.2 in turn lies in the region of the radial side at four points (see arrow P) against the inside 2.6a, 2.6b of the respective shell 2a, 2b except for small gaps in the range of at most 0.05 to 1 mm or 0.1 mm to 0.3 mm.
- the partition wall 2.2 is bent in the area of the edge parts 2.4a-2.4b ' , so that the edge parts 2.4a-2.4b '> as well as the edge segments of the partition 2.2 with respect to the partition wall 2.2 at an angle of approx 30 ° are employed.
- the partition 2.2 thus results in a z-shaped cross-section Q.
- the angular position of the edge portions 2.43-2.4 ⁇ is carried out in the same manner as in Figure 7b, wherein the partition 2.2 has an S-shaped cross section Q.
- the existing in the partition 3.2 groove 3.3 also runs s-shaped. It extends either to the half-shell 2a, 2b (left half of the picture) or is at a distance from the half-shell 2a, 2b provided (right half of the picture), wherein in a groove gap L thus formed, the partition wall 2.2 can sit on the partition wall 3.2 without lateral guidance through the groove 3.3 and the groove legs 3.3n.
- the most different shapes with different widths bA are provided for the respective recess AI.
- forms with an undercut H as in FIG. 8 at positions 2, 5, 6 and 8 are also provided.
- the recess AI of position 1 has a constant width bA, while the recesses of the positions 3, 4 and 7 has a width bA, which is continuously larger with respect to the flow axis S2, S3.
- the recesses AI with undercut H according to positions 2, 5, 6 and 8 have accordingly with respect to the flow axis S2, S3 a reduction in the width bA, ie a taper.
- the groove base 3.3G also has a profiling, which corresponds to the profiling of the end face 2.2s of the partition 2.2.
- a corresponding increase El, E2 is provided on the groove base 3.3G.
- the recesses AI, A2 and the respective elevations El, E2 are designed such that in the radial direction a minimum distance a of 0.1 mm is ensured in each operating state of the exhaust system 1, so that the resulting due to thermal stress deformations and relative movements, in particular in the radial direction, guaranteed.
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
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009048407A DE102009048407B4 (de) | 2009-10-06 | 2009-10-06 | Abgasanlage |
| PCT/EP2010/064934 WO2011042471A1 (de) | 2009-10-06 | 2010-10-06 | Abgasanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2486253A1 true EP2486253A1 (de) | 2012-08-15 |
| EP2486253B1 EP2486253B1 (de) | 2016-11-30 |
Family
ID=43413461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10773261.2A Not-in-force EP2486253B1 (de) | 2009-10-06 | 2010-10-06 | Abgasanlage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9291087B2 (de) |
| EP (1) | EP2486253B1 (de) |
| CN (1) | CN102639834B (de) |
| DE (1) | DE102009048407B4 (de) |
| WO (1) | WO2011042471A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5829995B2 (ja) * | 2012-10-03 | 2015-12-09 | トヨタ自動車株式会社 | 排気系部材 |
| US9482148B2 (en) | 2013-11-06 | 2016-11-01 | Ford Global Technologies, Llc | Active exhaust pulse management |
| CN104806337B (zh) * | 2014-01-28 | 2018-01-23 | 上海汽车集团股份有限公司 | 排气歧管、排气系统以及发动机 |
| JP6806551B2 (ja) * | 2016-12-14 | 2021-01-06 | 株式会社豊田中央研究所 | 遠心圧縮機、ターボチャージャ |
| CN112576356B (zh) * | 2021-02-26 | 2021-06-22 | 潍柴动力股份有限公司 | 一种排气管结构及发动机 |
| JP7794109B2 (ja) * | 2022-11-25 | 2026-01-06 | トヨタ自動車株式会社 | エキゾーストマニホールド |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3504709A (en) * | 1965-10-07 | 1970-04-07 | Gen Motors Corp | Branched conduit |
| US4188784A (en) | 1976-10-26 | 1980-02-19 | Chrysler Corporation | Articulated exhaust system |
| DE2916030C2 (de) | 1979-04-20 | 1981-05-21 | Volkswagenwerk Ag, 3180 Wolfsburg | Thermisch beanspruchtes rohrähnliches Bauteil, insbesondere Auspuffkrümmer einer Verbrennungskraftmaschine |
| GB8429212D0 (en) | 1984-11-19 | 1984-12-27 | Vincent Patents Ltd | Exhaust systems for ic engines |
| JP3921253B2 (ja) * | 1996-02-07 | 2007-05-30 | フタバ産業株式会社 | 流路分割パイプ及びその加工方法 |
| JPH10238341A (ja) * | 1997-02-20 | 1998-09-08 | Toyota Motor Corp | 排気管の仕切り構造 |
| NL1007986C2 (nl) * | 1998-01-08 | 1998-12-24 | Grand Prix Silencers Bv | Pijpaansluiting. |
| JP2001055920A (ja) | 1999-08-18 | 2001-02-27 | Honda Motor Co Ltd | 排気管の接続構造 |
| CA2328804C (en) * | 1999-12-24 | 2009-07-07 | Kabushiki Kaisha Yutaka Giken | Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction |
| ES2267771T3 (es) * | 2000-04-15 | 2007-03-16 | Audi Ag | Instalacion de gases de escape para motores de combustion. |
| JP3497809B2 (ja) * | 2000-10-10 | 2004-02-16 | 本田技研工業株式会社 | 排気装置の仕切構造 |
| JP2005163623A (ja) * | 2003-12-02 | 2005-06-23 | Calsonic Kansei Corp | エキゾーストマニホールド |
| US8371115B2 (en) * | 2005-06-13 | 2013-02-12 | Wescast Industries, Inc. | Exhaust component assemblies with divider plates |
| US7565800B2 (en) * | 2005-06-13 | 2009-07-28 | Wescast Industries, Inc. | Exhaust components including high temperature divider plate assemblies |
| JP2007154660A (ja) | 2005-11-30 | 2007-06-21 | Futaba Industrial Co Ltd | エギゾーストマニホルド |
| JP5014695B2 (ja) * | 2006-07-19 | 2012-08-29 | カルソニックカンセイ株式会社 | エキゾーストマニホールドの集合部構造 |
| DE102007062661A1 (de) * | 2007-12-24 | 2009-06-25 | J. Eberspächer GmbH & Co. KG | Abgassammler |
| DE102008018668B4 (de) | 2008-04-11 | 2015-04-02 | Tenneco Gmbh | Abgaskrümmer und Abgasrohr für Verbrennungsmotoren |
-
2009
- 2009-10-06 DE DE102009048407A patent/DE102009048407B4/de active Active
-
2010
- 2010-10-06 WO PCT/EP2010/064934 patent/WO2011042471A1/de not_active Ceased
- 2010-10-06 US US13/500,660 patent/US9291087B2/en not_active Expired - Fee Related
- 2010-10-06 CN CN201080055252.4A patent/CN102639834B/zh not_active Expired - Fee Related
- 2010-10-06 EP EP10773261.2A patent/EP2486253B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011042471A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102639834A (zh) | 2012-08-15 |
| DE102009048407A1 (de) | 2011-04-07 |
| WO2011042471A1 (de) | 2011-04-14 |
| US9291087B2 (en) | 2016-03-22 |
| CN102639834B (zh) | 2015-11-25 |
| US20120198825A1 (en) | 2012-08-09 |
| DE102009048407B4 (de) | 2012-11-15 |
| EP2486253B1 (de) | 2016-11-30 |
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