EP1004756B1 - Abgasanlage einer Mehrzylinder-Brennkraftmaschine - Google Patents
Abgasanlage einer Mehrzylinder-Brennkraftmaschine Download PDFInfo
- Publication number
- EP1004756B1 EP1004756B1 EP99119250A EP99119250A EP1004756B1 EP 1004756 B1 EP1004756 B1 EP 1004756B1 EP 99119250 A EP99119250 A EP 99119250A EP 99119250 A EP99119250 A EP 99119250A EP 1004756 B1 EP1004756 B1 EP 1004756B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lambda
- exhaust system
- starting
- internal combustion
- combustion engine
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural sensors
-
- 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
- F01N13/009—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 separate purifying devices arranged in series
-
- 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
- F01N13/009—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 separate purifying devices arranged in series
- F01N13/0093—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 separate purifying devices arranged in series the purifying devices are of the same type
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural sensors
- F02D41/1443—Plural sensors with one sensor per cylinder or group of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- 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
- F01N13/107—More than one exhaust manifold or exhaust collector
Definitions
- the invention relates to an exhaust system of a multi-cylinder internal combustion engine according to the preamble of claim 1.
- Lambda control can be carried out according to the two-point method, in which a manipulated variable their direction with each voltage jump, the one Change bold / lean or lean / bold indicates changed.
- a Two-point regulation affects aging and environmental influences (poisoning) as interference on the measurement of an accuracy.
- the principle of the two-probe control is the controlled fat or lean shift aditively changed by a correction control loop.
- the catalytic converters only achieve an optimal effect if they are in a certain temperature range (e.g. 400 to 800 ° C). Heating the catalyst is particularly problematic in the starting phase. To accelerate the heating, u. a. smaller pre-catalysts used, which are arranged near the cylinders and which are Have it brought up to its operating temperature very quickly. When using of different sub-lines or a multi-flow exhaust system become an associated pre-catalytic converter for each sub-line branch used. In this connection, DE 195 24 980 A1 pointed out.
- the object of the present invention is an exhaust system of the beginning Specify the type mentioned, the precise adjustment of the air / fuel mixture enables in a cost-effective manner.
- the signals from the aforementioned lambda probes are fed to a controller, which, based on this information, exactly those sub-lines or Pre-catalytic converters can determine a non-optimal air-fuel ratio is led. This also enables measures to be taken unwanted deviations in the individual cylinders attributable to zero.
- the lambda probes in front of the starting catalysts are preferably linear Lambda probes or broadband probes.
- the lambda probes after the starting catalysts can be designed as jump probes.
- the pre-catalyst function is usually monitored by Temperature comparison between the temperatures before and after the catalytic converter. As a rule, 2 temperature sensors are used for each sub-line needed.
- a pre or Starting catalytic converter also by comparing the lambda signals before and after the catalyst are monitored. In the case of a partial wiring harness in which no additional lambda probe is provided, nor can a temperature probe or a temperature sensor is arranged after the respective pre-catalyst his.
- the exhaust system according to the invention brings good lambda controllability along with good full load behavior.
- the invention is described below using an exemplary embodiment and With reference to the single drawing explained.
- the drawing shows a schematic block diagram of an embodiment of the present invention.
- a six-cylinder engine 10 is shown schematically, with each three cylinders (namely the cylinders of a cylinder bank) into one Exhaust gas line 12, 14 are performed.
- the sub-line branches 12, 14 are pre and start catalysts VK1, VK2 in the vicinity of the Cylinder arranged.
- the partial line strands 12, 14 are after the pre-catalysts VK1, VK2 brought together in a main pipe 20, in which a main catalyst HK is used.
- the pre-catalysts VK1 and VK2 can be quickly to the temperature values required for good exhaust gas cleaning bring. After a certain starting phase, the main catalytic converter takes over most of the purification of those flowing through it Exhaust gases.
- VK1 and VK2 are in the corresponding sub-lines 12 and 14 linear lambda probes for monitoring the Air-fuel ratio arranged.
- the linear lambda probes 26 and 28 output a signal to control electronics, not shown, which at least based on these signals and the power requirement Controls fuel input into the respective cylinder.
- control electronics not shown, which at least based on these signals and the power requirement Controls fuel input into the respective cylinder.
- a lambda jump probe 24 according to the Main catalyst HK arranged in the main pipe 20. This probe 24 is the Exposed to much less environmental influences.
- the Lambda probe 24 Since the Lambda probe 24 is arranged in the main tube, it is used by everyone Partial lines 12 and 14 coming exhaust flows through, so that no detailed breakdown of deviations for the individual sub-lines is possible. For this reason, a additional lambda jump probe 30 in the sub-wiring harness 12 behind the Pre-catalyst VK1 arranged, which also sends a voltage signal to the Control (not shown) delivers. Based on the signals from the lambda jump probes 30 and 24 can control incorrect measurements in the linear Assess lambda probes 26 and 28 and also precisely one specific one Assign probe. to this extent, this arrangement is a precise regulation the air-fuel composition to the required lambda value also possible in each individual line section.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
Claims (4)
- Abgasanlage einer Mehrzylinder-Brennkraftmaschine (10) mit zumindest einem Anlagenteil, bei dem die Brennkraftmaschinen-Abgase oder Teile davon zunächst durch zumindest zwei auf Zylindergruppen aufgeteilte Teilleitungsstränge (12, 14) geführt sind, in denen jeweils ein Startkatalysator (VK1, VK2) eingesetzt ist und die sich zu einem gemeinsamen Hauptrohr (20) vereinigen, in dem ein Hauptkatalysator (HK) eingesetzt ist, und vor jedem Startkatalysator (VK1, VK2) eine Lambda-Sonde (26, 28) angeordnet ist, wobei bei n Teilleitungssträngen n-1 zusätzliche Lambda-Sonden (30) in den Teilleitungssträngen nach den Startkatalysatoren (VK1, VK2) vorgesehen sind.
- Abgasanlage nach Anspruch 1,
dadurch gekennzeichnet, daß die Lambda-Sonden vor den Startkatalysatoren als lineare Lambda-Sonden oder Breitbandsonden ausgebildet sind. - Abgasanlage nach einem der vorhergehenden Ansprüche 1 oder 2,
dadurch gekennzeichnet, daß die zumindest eine Lambda-Sonde nach dem Startkatalysator als Sprungsonde ausgebildet ist. - Abgasanlage nach einem der vorhergehenden Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß in einem Teilleitungsstrang nach einem Startkatalysator eine Temperatursonde oder ein Temperatursensor vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852294A DE19852294A1 (de) | 1998-11-12 | 1998-11-12 | Abgasanlage einer Mehrzylinder-Brennkraftmaschine |
DE19852294 | 1998-11-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1004756A1 EP1004756A1 (de) | 2000-05-31 |
EP1004756B1 true EP1004756B1 (de) | 2002-01-30 |
Family
ID=7887635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99119250A Expired - Lifetime EP1004756B1 (de) | 1998-11-12 | 1999-09-28 | Abgasanlage einer Mehrzylinder-Brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6321529B1 (de) |
EP (1) | EP1004756B1 (de) |
JP (1) | JP4435913B2 (de) |
DE (2) | DE19852294A1 (de) |
ES (1) | ES2170564T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10224601B4 (de) * | 2001-06-19 | 2008-02-07 | Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn | Verfahren und Steuereinrichtung zur Steuerung des Beriebes einer Brennkraftmaschine |
US7356988B2 (en) | 2002-12-30 | 2008-04-15 | Volkswagen Aktiengesellschaft | Method for controlling the temperature of a catalyst and multicylinder engine comprising a lambda splitting exhaust gas cleaning system |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50112018D1 (de) * | 2000-04-07 | 2007-03-29 | Volkswagen Ag | Mehrflutige Abgasanlage und Verfahren zur Regelung eines Luft-Kraftstoff-Verhältnisses eines Mehrzylinderverbrennungsmotors |
DE10029633A1 (de) * | 2000-04-07 | 2001-10-11 | Volkswagen Ag | Mehrflutige Abgasanlage eines Mehrzylindermotors und Verfahren zur Regelung eines Luft-Kraftstoff-Verhältnisses |
JP3759578B2 (ja) * | 2000-09-01 | 2006-03-29 | 株式会社デンソー | 排出ガス浄化用触媒の劣化検出装置 |
DE10055665A1 (de) * | 2000-11-10 | 2002-10-31 | Volkswagen Ag | Verfahren und Vorrichtung zur Katalysatorbeheizung |
DE10100613C1 (de) * | 2001-01-09 | 2002-06-13 | Siemens Ag | Abgasreinigungsanlage für eine Brennkraftmaschine |
DE10109331C1 (de) * | 2001-02-27 | 2002-06-13 | Siemens Ag | Verfahren zum Einstellen der Sauerstoffkonzentration eines Dreiwege-Katalysatorsystems |
DE10142669B4 (de) * | 2001-08-31 | 2004-04-15 | Bayerische Motoren Werke Ag | Motorsteuerung und Verfahren zum Reinigen eines Katalysators in einer Abgasanlage einer Mehrzylinderbrennkraftmaschine |
DE10152456A1 (de) * | 2001-10-24 | 2003-05-08 | Volkswagen Ag | Brennkraftmaschine mit auf mindestens 3 Zylinderbänke aufgeteilten Zylindern |
DE10239258A1 (de) * | 2002-08-22 | 2004-03-04 | Volkswagen Ag | Verbrennungsmotor und Verfahren zum Betrieb eines Verbrennungsmotors mit einer Kraftstoffregelungsvorrichtung |
DE102005034880B4 (de) * | 2005-07-26 | 2007-06-06 | Siemens Ag | Verfahren und Vorrichtung zur Diagnose einer Abgasreinigungsanlage |
CN114076022B (zh) * | 2020-08-21 | 2023-07-14 | 比亚迪股份有限公司 | 可变排气管件、可变排气管装置、发动机和车辆 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH086624B2 (ja) * | 1991-05-16 | 1996-01-29 | トヨタ自動車株式会社 | 内燃機関の空燃比制御装置 |
JP3076417B2 (ja) * | 1991-07-23 | 2000-08-14 | マツダ株式会社 | エンジンの排気浄化装置 |
DE4140618A1 (de) * | 1991-12-10 | 1993-06-17 | Bosch Gmbh Robert | Verfahren und vorrichtung zur ermittlung der konvertierungsfaehigkeit eines katalysators |
JP3324215B2 (ja) * | 1992-11-02 | 2002-09-17 | 株式会社デンソー | 内燃機関の空燃比センサ異常検出装置 |
JPH0742542A (ja) * | 1993-07-27 | 1995-02-10 | Honda Motor Co Ltd | 内燃機関の排気ガス浄化装置 |
US5351484A (en) * | 1993-12-16 | 1994-10-04 | Ford Motor Company | Light-off catalyst monitor |
US5357753A (en) * | 1993-12-16 | 1994-10-25 | Ford Motor Company | Catalyst monitor for a Y pipe exhaust configuration |
DE19503852C2 (de) * | 1994-02-09 | 2000-01-27 | Fuji Heavy Ind Ltd | Kraftstoff-Luftverhältnis-Regeleinrichtung und Verfahren zum Regeln des Kraftstoff-Luftverhältnisses eines Motors |
US5657625A (en) * | 1994-06-17 | 1997-08-19 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Apparatus and method for internal combustion engine control |
US5600056A (en) * | 1994-06-20 | 1997-02-04 | Honda Giken Kogyo Kabushiki Kaisha | Air/fuel ratio detection system for multicylinder internal combustion engine |
JP3151368B2 (ja) * | 1995-02-17 | 2001-04-03 | 株式会社日立製作所 | 内燃機関用排気ガス浄化装置の診断装置 |
US5544481A (en) * | 1995-03-31 | 1996-08-13 | Ford Motor Company | Engine air/fuel control system and catalytic converter monitoring |
DE19524980A1 (de) | 1995-07-08 | 1997-01-09 | Opel Adam Ag | Abgasanlage einer Mehrzylinder-Brennkraftmaschine |
EP0861367B1 (de) * | 1995-11-17 | 2000-08-16 | Toyota Jidosha Kabushiki Kaisha | Verfahren und vorrichtung zur reinigung von abgasen einer brennkraftmaschine |
JP4092743B2 (ja) * | 1996-07-05 | 2008-05-28 | マツダ株式会社 | エンジンの触媒劣化検出方法およびその装置 |
DE19629554C2 (de) * | 1996-07-22 | 2000-05-25 | Siemens Ag | Verfahren zur Temperaturregelung für eine Lambdasonde |
US6047544A (en) * | 1997-08-20 | 2000-04-11 | Nissan Motor Co., Ltd. | Engine exhaust gas purification catalyst and exhaust gas purifier |
US5983627A (en) * | 1997-09-02 | 1999-11-16 | Ford Global Technologies, Inc. | Closed loop control for desulfating a NOx trap |
-
1998
- 1998-11-12 DE DE19852294A patent/DE19852294A1/de not_active Withdrawn
-
1999
- 1999-09-28 EP EP99119250A patent/EP1004756B1/de not_active Expired - Lifetime
- 1999-09-28 ES ES99119250T patent/ES2170564T3/es not_active Expired - Lifetime
- 1999-09-28 DE DE59900795T patent/DE59900795D1/de not_active Expired - Lifetime
- 1999-10-13 US US09/417,313 patent/US6321529B1/en not_active Expired - Lifetime
- 1999-11-11 JP JP32106699A patent/JP4435913B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10224601B4 (de) * | 2001-06-19 | 2008-02-07 | Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn | Verfahren und Steuereinrichtung zur Steuerung des Beriebes einer Brennkraftmaschine |
US7356988B2 (en) | 2002-12-30 | 2008-04-15 | Volkswagen Aktiengesellschaft | Method for controlling the temperature of a catalyst and multicylinder engine comprising a lambda splitting exhaust gas cleaning system |
Also Published As
Publication number | Publication date |
---|---|
DE19852294A1 (de) | 2000-05-18 |
JP4435913B2 (ja) | 2010-03-24 |
US6321529B1 (en) | 2001-11-27 |
ES2170564T3 (es) | 2002-08-01 |
JP2000145498A (ja) | 2000-05-26 |
DE59900795D1 (de) | 2002-03-14 |
EP1004756A1 (de) | 2000-05-31 |
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