EP1457647A1 - Abgasanlage einer Brennkraftmaschine - Google Patents
Abgasanlage einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP1457647A1 EP1457647A1 EP04000442A EP04000442A EP1457647A1 EP 1457647 A1 EP1457647 A1 EP 1457647A1 EP 04000442 A EP04000442 A EP 04000442A EP 04000442 A EP04000442 A EP 04000442A EP 1457647 A1 EP1457647 A1 EP 1457647A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- collector housing
- inlet pipes
- exhaust gas
- exhaust system
- exhaust
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 27
- 239000007789 gas Substances 0.000 description 45
- 230000003197 catalytic effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
-
- 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
- F01N13/011—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 two or more purifying devices arranged in parallel
-
- 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
-
- 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
- F01N13/1883—Construction facilitating manufacture, assembly, or disassembly manufactured by hydroforming
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/10—Tubes having non-circular cross section
Definitions
- the present invention relates to an exhaust system of an internal combustion engine with at least one exhaust manifold with several inlet pipes for connection to exhaust gas outlets of the internal combustion engine and one Collecting device for summarizing the inlet pipes, the one Has outlet opening, which with subsequent elements of the exhaust system, in particular a catalyst housing is connected.
- the exhaust gases emerging from the outlets of an internal combustion engine are usually via exhaust manifolds in one or more main exhaust pipes summarized.
- the exhaust manifold has several for this Inlet pipes and a collecting device with an outlet opening, which with a further exhaust pipe or directly with a catalytic converter connected is.
- the exhaust duct in the exhaust manifold has important for the exhaust gas back pressure.
- One goal is the lambda sensor with the individual Exhaust gas flows from all inlet pipes flow as evenly as possible in order to to have the same conditions for each cylinder of the internal combustion engine.
- the flow of a subsequent catalyst should be as possible be even.
- the present invention has for its object an exhaust system to improve the type mentioned.
- an advantageous Lambda and catalyst flow can be achieved.
- the production should be as simple as possible and the stability of the exhaust system be as high as possible.
- the collecting device as one-piece collector housing is made of rigid material.
- the collection device By designing the collection device as a one-piece collector housing an advantageous construction of the rigid material Exhaust system can be reached.
- the production can be simplified be because the one-piece collector housing, for example, by Hydroforming including necking for the pipe connection is inexpensive to manufacture and only simple Pipes are needed.
- the collector housing has at least two, preferably three openings for connecting inlet pipes and an outlet opening through which the collector housing with subsequent Parts of the exhaust systems are connected.
- the combination of a collector housing according to the invention is also advantageous made of rigid material with relatively flexible pipes, length compensation due to different thermal expansion enable.
- the inlet pipes can be made relatively short be so that the collector housing is very close to the exhaust outlets of the Internal combustion engine can be introduced. This saves space and advantageously increases the exhaust gas temperature in a subsequent one Catalyst.
- the collector housing is additionally has an opening for inserting a lambda probe.
- the lambda sensor is therefore in a room in which the exhaust gas flows all inlet pipes of the exhaust system meet, so that one largely uniform flow to the lambda probe through the various Exhaust gas flows can be achieved.
- the Redesign of the exhaust gas flow for the catalyst inflow after the Lambda probe take place, i.e. separately from the lambda flow. By this separation can optimize both inflows individually become.
- the outlet opening an outlet pipe connected to the collector housing, which is designed in particular as a catalyst inflow pipe.
- the outlet pipe fulfills a double function, and there can be a good inflow of catalyst can be achieved.
- the catalyst inflow pipe is close to is guided in front of the catalyst, with the catalyst housing over a surrounding the catalyst inflow pipe, in particular funnel-shaped Tube is connected directly to the collector housing.
- the openings in the collector housing are according to a further embodiment of the invention at least partially punched out. This allows the Manufacturing simplified and cheaper.
- the inlet pipes open out in the collector housing such that the exhaust gas flow directions of all Flue gas flows converge at a collection point.
- the exhaust gas flow is optimized.
- the inlet pipes preferably open into the collector housing in such a way that the exhaust gas flow directions in each case opposite one perpendicular to the exhaust gas flow direction are inclined in the plane running in the outlet opening, in such a way that the exhaust gas flow directions of the inlet pipes face the same side of this plane as the exhaust gas flow direction in the Outlet.
- the outflow of the exhaust gas through the outlet opening is thereby improved and the exhaust gas back pressure can be reduced.
- a preferred arrangement of the lambda probe is on that of the outlet opening opposite side of the collector housing. For one thing, this can the arrangement of the probe tip at the collection point of the exhaust gas flows can be achieved well and on the other hand the exhaust gas flow becomes proportional little affected. In addition, this is structurally advantageous.
- the inlet pipes open into the collector housing in particular in such a way that the collection point of the exhaust gas flows is inside the collector housing located.
- the lambda flow occurs through this configuration within the collector's housing and before the realignment of the Exhaust gas flow for the catalyst outflow. Through this separation the flow to the lambda probe and the catalyst continues improved.
- the collector housing preferably has molded connection pieces for the inlet pipes and / or the outlet pipe.
- This configuration has on the one hand constructive advantages and on the other hand the assembly the exhaust system simplified. Above all, this configuration enables Welding the collector housing to the inlet pipes and the Outlet pipe on the outside. Penetration of sweat into it Interior of the exhaust system and the problems associated with it, in particular this can increase the risk of impairment of the catalytic converter be avoided.
- the collector housing at least partially mirror-symmetrical to a plane that perpendicular to the connecting line of the exhaust gas outlets of the internal combustion engine runs.
- the inlet pipes and / or the lambda probe are arranged in mirror symmetry and trained.
- this allows the exhaust gas flow be made even more even.
- this configuration the advantage that the components of the exhaust system are standardized can.
- the same components can be used for different exhaust lines be used.
- the internal combustion engine may be at least partially identical. This can save costs and simplify storage become.
- the inlet pipes are preferably at least in sections with a oval cross section. This will make it more malleable the inlet pipes through which a better length compensation at different thermal expansion of the pipes can take place.
- the exhaust system partially shown in Figures 1 and 2 includes two three-jet exhaust manifolds 1, 1 ', the inlet side with an engine flange 2, 2 'and on the outlet side via inlet funnels 3a, 3a' with a Catalyst housing 3, 3 'are connected.
- To the catalytic converter housings 3, 3 ' each connects a further exhaust pipe 4, 4 ', which in turn each with a flange 5, 5 'for connection to a further one Exhaust pipe is connected.
- the collector housing 9, 9 ' has walls into which Connection pieces 10, 10 ', 11, 11' and 12, 12 'are molded, and is from relatively rigid material formed.
- FIGS. 3 to 6 enclose the walls of the collector housing 9, 9 'a collecting space 13, in which the exhaust gas flows out of the inlet pipes 6, 6 ', 7, 7', 8, 8 ' become.
- the exhaust gas flow directions I, II, III are common Collection point 14 directed inside the collection room 13.
- the Walls of the collector housing 9, 9 ' also have a recess 15 in which a lambda probe 16, 16 'is inserted. And that is Lambda probe 16, 16 'inserted into the recess 15 such that its probe tip 17 is in the region of the collection point 14.
- the lambda probe 16, 16 'in the recess 15 may be screwed in.
- the lambda probe shows this 16, 16 'an external thread 18 and the recess 15 an internal thread 19 on.
- the inflow pipe 21 is also close to the catalyst body 3b guided. This will between the outlet pipe 21 and the inlet funnel 3a, 3a 'of the catalytic converter housing 3, 3' form an annular space 21a, which is connected to the exhaust gas flow as a shunt and as insulation acts for the exhaust gas flow.
- the inlet pipes 6, 6 ', 7, 7' and 8, 8 ' are each welded with the collector housing 9, 9 'connected.
- the weld seam is located in each case on the outside of the exhaust system, so no welding Contamination can get inside the exhaust system.
- the inlet pipes 6, 6 ', 7, 7' and 8, 8 ' are each preferred by internal high pressure forming manufactured and exhibit in a medium range between their respective inlet ends and their respective outlet ends an oval cross-section.
- This training with an oval cross section results in a relative high deformability of the inlet pipes 6, 6 ', 7, 7' and 8, 8 ', so that at Heating a length compensation can take place.
- the exhaust manifolds 1, 1 ' are with inlet pipes 6, 6 ', 7, 7' and 8, 8 'as well as the collector housing 9, 9', however without outlet pipe 21, mirror-symmetrical to a plane IV, which also forms the longitudinal median plane of the motor flange 2, 2 '.
- the Recess 15 for the lambda probe 16 and the lambda probe 16 itself are mirror-symmetrical to this plane IV.
- the two exhaust manifolds 1 and 1 'with each other largely identical, although the additional elements of the exhaust system like outlet pipe 21 and catalyst housing 3, 3 'different are trained.
- the inlet pipes 6, 6 ', 7, 7' and 8, 8 ' are also shaped such that they not only the screw holes 22 for fastening the motor flange 2, 2 'on the engine block as easily accessible as possible, but also that the exhaust gas flows I, II and III are inclined to a plane V which is perpendicular to the exhaust gas flow direction VI in the outlet pipe 21.
- the inclination is chosen so that the exhaust gas flow directions I, II and III when entering the collector housing 9, 9 'on the same side of level V indicate how the exhaust gas flow direction VI in the exhaust pipe 21 good exhaust gas flow guidance with low back pressure achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Characterised By The Charging Evacuation (AREA)
Abstract
Description
- Fig. 1
- eine Ansicht eines Teils einer erfindungsgemäßen Abgasanlage aus einer ersten Richtung,
- Fig. 2
- eine Ansicht des Teils von Fig. 1 aus einer hierzu um 90° verdrehten Richtung,
- Fig. 3
- ein Detail von Fig. 1 in vergrößerter und teilweise geschnittener Darstellung,
- Fig. 4
- eine Schnittansicht gemäß Schnittlinie B-B in Fig. 1,
- Fig. 5
- eine Ansicht eines Sammlergehäuses einer erfindungsgemäßen Abgasanlage und
- Fig. 6
- eine Ansicht eines anderen, mit einem Anströmrohr einstückig ausgebildeten Sammlergehäuses einer erfindungsgemäßen Abgasanlage.
- 1, 1'
- Abgaskrümmer
- 2, 2'
- Motorflansch
- 3, 3'
- Katalysatorgehäuse
- 3a, 3a'
- Einlasstrichter
- 3b
- Katalysatorkörper
- 4, 4'
- Abgasrohr
- 5, 5'
- Flansch
- 6, 6'
- Einlassrohr
- 7, 7'
- Einlassrohr
- 8, 8'
- Einlassrohr
- 9, 9'
- Sammlergehäuse
- 10
- Anschlussstutzen
- 11
- Anschlussstutzen
- 12
- Anschlussstutzen
- 13
- Sammelraum
- 14
- Sammelpunkt
- 15
- Ausnehmung
- 16, 16'
- Lambdasonde
- 17
- Sondenspitze
- 18
- Außengewinde
- 19
- Innengewinde
- 20
- Anschlussstutzen
- 20a
- Auslassöffnung
- 21
- Auslassrohr
- 21 a
- Ringraum
- 22
- Schraubenloch
- I
- Abgasstromrichtung
- II
- Abgasstromrichtung
- III
- Abgasstromrichtung
- IV
- Mittelebene
- V
- Ebene
- VI
- Abgasstromrichtung
Claims (10)
- Abgasanlage einer Brennkraftmaschine mit mindestens einem Abgaskrümmer (1, 1') mit mehreren Einlassrohren (6, 6', 7, 7', 8, 8') zum Anschluss an Abgasauslässe der Brennkraftmaschine und einer Sammeleinrichtung (9, 9') zum Zusammenfassen der Einlassrohre (6, 6', 7, 7' 8, 8'), die eine Auslassöffnung (20a) aufweist, welche mit nachfolgenden Elementen der Abgasanlage, insbesondere einem Katalysatorgehäuse (3, 3') verbunden ist,
dadurch gekennzeichnet, dass die Sammeleinrichtung (9, 9') als einstückiges Sammlergehäuse aus biegesteifem Material ausgebildet ist. - Abgasanlage nach Anspruch 1,
dadurch gekennzeichnet, dass das Sammlergehäuse (9, 9') mindestens zwei, insbesondere drei Öffnungen zum Anschluss von Einlassrohren (6, 6', 7, 7', 8, 8') und eine Auslassöffnung (20a) und/oder eine Öffnung (15) zum Einsetzen einer Lambdasonde (16, 16') aufweist. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass an die Auslassöffnung (20a) ein Auslassrohr (20) angeschlossen ist, wobei das Auslassrohr (20) bevorzugt als Katalysator-Anströmrohr ausgebildet ist, wobei das Katalysatoranströmrohr (20) ebenfalls bevorzugt bis nahe vor den Katalysator geführt und das Katalysatorgehäuse (3, 3') über ein das Katalysatoranströmrohr (20) umgebendes, insbesondere trichterförmiges Rohr (3a, 3a') direkt mit dem Sammlergehäuse (9, 9') verbunden ist. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Öffnungen im Sammlergehäuse (9, 9') zumindest zum Teil ausgestanzt sind und/oder dass das Sammlergehäuse (9, 9') durch Innenhochdruckumformung hergestellt ist. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Einlassrohre (6, 6', 7, 7', 8, 8') derart in das Sammlergehäuse (9, 9') münden, dass die Abgasstromrichtungen (I, II, III) aller Abgasströme in einem Sammelpunkt (14) zusammenlaufen, wobei bevorzugt eine Lambdasonde (16) derart in dem Sammlergehäuse (9, 9') angeordnet ist, dass sich die Sondenspitze (17) im Sammelpunkt (14) befindet. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Einlassrohre (6, 6', 7, 7', 8, 8') derart in das Sammlergehäuse (9, 9') münden, dass die Abgasstromrichtungen (I, II, III) jeweils gegenüber einer senkrecht zur Abgasstromrichtung (VI) in der Auslassöffnung (20a) verlaufenden Ebene (V) geneigt sind, und zwar derart, dass die Abgasstromrichtungen (I, II, III) der Einlassrohre (6, 6', 7, 7', 8, 8') auf die selbe Seite dieser Ebene (V) weisen wie die Abgasstromrichtung (VI) im Auslassrohr (21). - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Lambdasonde (16) auf der der Auslassöffnung (20a) abgewandten Seite des Sammlergehäuses (9, 9') angeordnet ist und/oder dass die Einlassrohre (6, 6', 7, 7', 8, 8') derart in das Sammlergehäuse (9, 9') münden, dass sich der Sammelpunkt (14) im Inneren (13) des Sammlergehäuses (9') befindet. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Sammlergehäuse (9, 9') angeformte Anschlussstutzen (10, 11, 12, 20) für die Einlassrohre (6, 6', 7, 7', 8, 8') und/oder das Auslassrohr (21) aufweist. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Sammlergehäuse (9, 9') zumindest teilweise spiegelsymmetrisch zu einer Ebene (IV) ausgebildet ist, die senkrecht zu der Verbindungslinie der Abgasauslässe der Brennkraftmaschine verläuft, wobei bevorzugt auch die Einlassrohre (6, 6', 7, 7', 8, 8') und/oder die Lambdasonde (16, 16') spiegelsymmetrisch zu dieser Ebene (IV) angeordnet sind. - Abgasanlage nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Einlassrohre (6, 6', 7, 7', 8, 8') verhältnismäßig biegsam sind, insbesondere indem Sie zumindest abschnittsweise einen ovalen Querschnitt aufweisen, und/oder dass die Einlassrohre (6, 6', 7, 7', 8; 8') durch Innenhochdruckumformen hergestellt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20303759U DE20303759U1 (de) | 2003-03-10 | 2003-03-10 | Abgasanlage einer Brennkraftmaschine |
DE20303759U | 2003-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1457647A1 true EP1457647A1 (de) | 2004-09-15 |
EP1457647B1 EP1457647B1 (de) | 2006-08-23 |
Family
ID=32748367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04000442A Expired - Lifetime EP1457647B1 (de) | 2003-03-10 | 2004-01-12 | Abgasanlage einer Brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US7578124B2 (de) |
EP (1) | EP1457647B1 (de) |
AT (1) | ATE337477T1 (de) |
DE (2) | DE20303759U1 (de) |
ES (1) | ES2270182T3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7874149B2 (en) * | 2005-08-17 | 2011-01-25 | Kawasaki Jukogyo Kabushiki Kaisha | Exhaust apparatus for vehicle, and motorcycle having the same |
DE102006021674B4 (de) * | 2006-05-10 | 2014-05-15 | Tenneco Gmbh | Verfahren zum Herstellen von Abgaskrümmern |
US8347615B2 (en) * | 2006-06-07 | 2013-01-08 | Ford Global Technologies | Exhaust flow director and catalyst mount for internal combustion engine |
JP4748081B2 (ja) * | 2007-02-23 | 2011-08-17 | トヨタ自動車株式会社 | 内燃機関の排気装置 |
DE102007062660A1 (de) * | 2007-12-24 | 2009-06-25 | J. Eberspächer GmbH & Co. KG | Abgaskrümmer |
DE102009018104A1 (de) | 2008-11-10 | 2010-05-12 | Friedrich Boysen Gmbh & Co. Kg | Abgaskrümmer |
US8353154B2 (en) * | 2009-09-21 | 2013-01-15 | GM Global Technology Operations LLC | Thermally efficient exhaust treatment system for an internal combustion engine |
KR101196305B1 (ko) * | 2010-05-25 | 2012-11-06 | 우신공업 주식회사 | 배기 매니폴드 |
US9003783B2 (en) * | 2010-09-30 | 2015-04-14 | Electro-Motive Diesel, Inc. | Burner arrangement for a two-stroke locomotive diesel engine having an exhaust aftertreatment system |
JP5849986B2 (ja) * | 2013-04-18 | 2016-02-03 | マツダ株式会社 | エンジンの触媒付き排気管構造 |
DE102013109446B4 (de) * | 2013-08-30 | 2015-11-26 | Benteler Automobiltechnik Gmbh | Abgaskrümmer mit Isolationshülse |
CN106687671B (zh) * | 2014-09-03 | 2019-04-26 | 日产自动车株式会社 | 内燃机的排气装置 |
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2003
- 2003-03-10 DE DE20303759U patent/DE20303759U1/de not_active Expired - Lifetime
-
2004
- 2004-01-12 DE DE502004001230T patent/DE502004001230D1/de not_active Expired - Lifetime
- 2004-01-12 ES ES04000442T patent/ES2270182T3/es not_active Expired - Lifetime
- 2004-01-12 AT AT04000442T patent/ATE337477T1/de not_active IP Right Cessation
- 2004-01-12 EP EP04000442A patent/EP1457647B1/de not_active Expired - Lifetime
- 2004-03-03 US US10/792,469 patent/US7578124B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
ES2270182T3 (es) | 2007-04-01 |
US20040226291A1 (en) | 2004-11-18 |
DE502004001230D1 (de) | 2006-10-05 |
ATE337477T1 (de) | 2006-09-15 |
EP1457647B1 (de) | 2006-08-23 |
DE20303759U1 (de) | 2004-07-22 |
US7578124B2 (en) | 2009-08-25 |
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