DE102005043060B4 - Turbocharger device for an internal combustion engine - Google Patents
Turbocharger device for an internal combustion engine Download PDFInfo
- Publication number
- DE102005043060B4 DE102005043060B4 DE102005043060A DE102005043060A DE102005043060B4 DE 102005043060 B4 DE102005043060 B4 DE 102005043060B4 DE 102005043060 A DE102005043060 A DE 102005043060A DE 102005043060 A DE102005043060 A DE 102005043060A DE 102005043060 B4 DE102005043060 B4 DE 102005043060B4
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- turbine
- exhaust
- turbocharger
- gas turbocharger
- 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 - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps 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
- 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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/004—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust drives arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- 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
- F01N2390/00—Arrangements for controlling or regulating exhaust apparatus
- F01N2390/02—Arrangements for controlling or regulating exhaust apparatus using electric components only
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Supercharger (AREA)
Abstract
Turboladereinrichtung für eine Brennkraftmaschine (1) mit mindestens einem ersten Abgasturbolader und einem weiteren Abgasturbolader, wobei
– die Turbine (2) des ersten Abgasturboladers und die Turbine (3) des weiteren Abgasturboladers in einer Abgasleitung (4) vom Abgas der Brennkraftmaschine (1) antreibbar sind,
– die Turbine (2) des ersten Abgasturboladers und die Turbine (3) des weiteren Abgasturboladers in Strömungsrichtung (S) nacheinander vom Abgasmassenstrom beaufschlagbar sind,
wobei
eine Serienschaltung aus der Turbine (2) des ersten Abgasturboladers, einer ersten Abgasnachbehandlungseinrichtung (6) und der Turbine (3) des weiteren Abgasturboladers in der Abgasleitung (4) vorgesehen ist, wobei eine vom Abgasmassenstrom mit einem Anteil von 0% bis 100% durchströmbare, regelbare Bypassleitung (8) vorgesehen ist, die stromaufwärts der Serienschaltung von der Abgasleitung (4) abzweigt und in einer Einmündung (9) stromabwärts der Turbine (2) des ersten Abgasturboladers und stromaufwärts der ersten Abgasnachbehandlungseinrichtung (6) und der Turbine (3) des weiteren Abgasturboladers in die Abgasleitung (4) wieder...Turbocharger device for an internal combustion engine (1) having at least a first exhaust gas turbocharger and a further exhaust gas turbocharger, wherein
- The turbine (2) of the first exhaust gas turbocharger and the turbine (3) of the further exhaust gas turbocharger in an exhaust pipe (4) from the exhaust gas of the internal combustion engine (1) are drivable,
- The turbine (2) of the first exhaust gas turbocharger and the turbine (3) of the further exhaust gas turbocharger in the flow direction (S) are successively acted upon by the exhaust gas mass flow,
in which
a series circuit of the turbine (2) of the first exhaust gas turbocharger, a first exhaust aftertreatment device (6) and the turbine (3) of the further exhaust gas turbocharger in the exhaust pipe (4) is provided, one of the exhaust gas mass flow with a proportion of 0% to 100% can be flowed through controllable bypass line (8) is provided which branches off the exhaust line (4) upstream of the series connection and in a junction (9) downstream of the turbine (2) of the first exhaust gas turbocharger and upstream of the first exhaust aftertreatment device (6) and the turbine (3) the further exhaust gas turbocharger in the exhaust pipe (4) again ...
Description
Technisches GebietTechnical area
Die Erfindung betrifft eine Turboladereinrichtung für eine Brennkraftmaschine mit den Merkmalen des Anspruchs 1.The invention relates to a turbocharger device for an internal combustion engine having the features of claim 1.
Stand der TechnikState of the art
Aus der
Bei der aus der
Eine aufgeladene Brennkraftmaschine mit einer die Abgasturbine überbrückenden Umgehungsleitung, die eine Mehrzahl von Abgas-Leitungsabschnitten zwischen den Auslässen der Zylinder und der Abgasturbine aufweist, ist aus der
Für eine Brennkraftmaschine mit in einer Abgasleitung angeordnetem Abgasturbolader mit nachgeschaltet angeordnetem Katalysator ist gemäß der
Gemäß der
Gemäß der
Aufgabe der ErfindungObject of the invention
Der Erfindung liegt die Aufgabe zugrunde, eine Turboladereinrichtung für eine Brennkraftmaschine derart auszubilden, so dass beim Kaltstart der Brennkraftmaschine eine Verzögerung des Wirksamwerdens der nach den Turbinen der Abgasturbolader angeordneten Abgaskatalysatoren oder Abgasreinigungsvorrichtungen vermeidbar ist.The invention has for its object to form a turbocharger device for an internal combustion engine such that the cold start of the internal combustion engine, a delay of the effectiveness of the arranged according to the turbines of the turbocharger exhaust gas catalysts or exhaust gas purification devices is avoidable.
Lösung der AufgabeSolution of the task
Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.The object is solved by the features of claim 1.
Vorteile der ErfindungAdvantages of the invention
Ein Vorteil der Erfindung ist es, dass durch die wahlweise regelbare Bypassleitung die Turbine des ersten Abgasturboladers vollständig oder teilweise umgehbar ist, so dass das Abgas direkt zu der ersten Abgasnachbehandlungseinrichtung strömen kann. Somit treten während der Kaltstartphase der Brennkraftmaschine keine Verzögerungen beim Wirksamwerden der Abgasnachbehandlungseinrichtungen auf. Ferner wirkt sich die motornahe Anordnung der ersten Abgasnachbehandlungseinrichtung vorteilhaft auf deren Wirkweise aus.One advantage of the invention is that the turbine of the first exhaust-gas turbocharger can be completely or partially bypassed by the optionally controllable bypass line, so that the exhaust gas can flow directly to the first exhaust-gas aftertreatment device. Thus occur during the cold start phase of the internal combustion engine no delays in the effectiveness of the exhaust aftertreatment devices. Furthermore, the arrangement of the first exhaust gas aftertreatment device close to the engine advantageously has an effect on its mode of action.
In einer vorteilhaften Ausführungsform der Erfindung ist die erste Abgasnachbehandlungseinrichtung ein Vorkatalysator. Dies bietet den Vorteil, dass durch die schaltbare Bypassleitung bei einem Kaltstart das Abgas direkt zu dem Vorkatalysator strömen kann und dieser ohne Verzögerung seine Betriebstemperatur erreicht.In an advantageous embodiment of the invention, the first exhaust aftertreatment device is a precatalyst. This offers the advantage that the exhaust gas can flow directly to the pre-catalyst through the switchable bypass line in a cold start and this reaches its operating temperature without delay.
In einer weiteren vorteilhaften Ausführungsform der Erfindung ist die erste Abgasnachbehandlungseinrichtung ein Dieselpartikelfilter. Dies bietet den Vorteil, dass durch die schaltbare Bypassleitung das Abgas direkt zu dem Dieselpartikelfilter strömen kann, so dass eine ausreichend hohe Temperatur für eine vollständige und saubere Regeneration des Dieselpartikelfilters erzielbar ist. Ferner ist eine Regeneration des Dieselpartikelfilters unabhängig von der Öffnung der Bypassleitung möglich, da die Bypassleitung stromaufwärts vor dem Dieselpartikelfilter einmündet, so dass kein weiterer Dieselpartikelfilter stromabwärts der Einmündung erforderlich ist.In a further advantageous embodiment of the invention, the first exhaust aftertreatment device is a diesel particulate filter. This offers the advantage that the exhaust gas can flow directly to the diesel particulate filter through the switchable bypass line, so that a sufficiently high temperature for a complete and clean regeneration of the diesel particulate filter can be achieved. Further, regeneration of the diesel particulate filter is possible regardless of the opening of the bypass line, since the bypass line opens upstream of the diesel particulate filter, so that no further diesel particulate filter downstream of the confluence is required.
In einer anderen vorteilhaften Ausführungsform der Erfindung ist stromabwärts der Serienschaltung eine weitere Abgasnachbehandlungseinrichtung in Serie geschaltet. Beispielsweise kann die weitere Abgasnachbehandlungseinrichtung ein Hauptkatalysator sein. Dies bietet den Vorteil, dass bei großvolumigen Motoren die Abgasreinigung neben der ersten Abgasnachbehandlungseinrichtung vorwiegend durch die weitere Abgasnachbehandlungseinrichtung erfolgt.In another advantageous embodiment of the invention, downstream of the series circuit, a further exhaust gas aftertreatment device is connected in series. For example, the further exhaust aftertreatment device may be a main catalyst. This offers the advantage that, in the case of large-volume engines, the exhaust-gas purification takes place, in addition to the first exhaust-gas aftertreatment device, predominantly through the further exhaust-gas aftertreatment device.
In einer weiteren vorteilhaften Ausführungsform der Erfindung ist die Abgasnachbehandlungseinrichtung als Vorkatalysator mit einer niedrigen Zelldichte (Zellen pro Quadratzoll, cpsi) bzw. als Dieselpartikelfilter mit einer niedrigen Drosselwirkung sowie einer absoluten Wärmekapazität ausgebildet. Dies bietet den Vorteil, dass hierdurch geringe Strömungsverluste auftreten, so dass bei hoher Last und hoher Drehzahl nur ein geringer Strömungswiderstand besteht. Zudem ergibt sich aufgrund der niedrigen Zelldichte bzw. Wärmekapazität eine geringere Wärmesenke gegenüber einer höheren Zelldichte bzw. Wärmekapazität.In a further advantageous embodiment of the invention, the exhaust aftertreatment device is designed as a precatalyst with a low cell density (cells per square inch, cpsi) or as a diesel particulate filter with a low throttle effect and an absolute heat capacity. This offers the advantage that this results in low flow losses, so that at high load and high speed there is only a small flow resistance. In addition, due to the low cell density or heat capacity results in a lower heat sink compared to a higher cell density or heat capacity.
Weitere Vorteile der Erfindung folgen aus der nachfolgenden Beschreibung sowie aus den Ansprüchen.Further advantages of the invention will become apparent from the following description and from the claims.
Zeichnungdrawing
Es zeigt:It shows:
In
Über die Abgasleitung
Die Turbine
In der Kaltstartphase der Brennkraftmaschine
Unabhängig von der Schaltung des Bypassventils
Je nach Betriebspunkt und -zustand der Brennkraftmaschine
- – Beim Leerlauf strömt der Abgasmassenstrom vollständig über die
Bypassleitung 8 , so dass dieTurbine 2 des ersten Abgasturboladers nicht durchströmt wird. Im Kaltlauf bleibt dieBypassleitung 8 gleichermaßen geöffnet, um ein schnelles Erreichen der Betriebstemperatur derAbgasnachbehandlungseinrichtung 6 zu ermöglichen. - – Im niedrigen Drehzahlbereich ist die
Bypassleitung 8 über dasBypassventil 10 geschlossen, so dass der Abgasmassenstrom vollständig über die Abgasleitung4 durch dieTurbine 2 des ersten Abgasturboladers strömt. Insbesondere wenn die erste Abgasnachbehandlungseinrichtung ein Dieselpartikelfilter ist, ist dasBypassventil 10 bei Volllast und bei Teillast im niedrigen Drehzahlbereich geschlossen. Im Kaltlauf kann dasBypassventil 10 auch teilweise geöffnet sein, um ein schnelles Erreichen bzw. Halten der Betriebstemperatur derAbgasnachbehandlungseinrichtung 6 zu ermöglichen. - – Das
Bypassventil 10 ist im hohen Drehzahlbereich, sowohl bei Teil- als auch bei Volllast, vollständig geöffnet, so dass der Abgasmassenstrom über dieBypassleitung 8 strömt und dieTurbine 2 des ersten Abgasturboladers nicht durchströmt wird.
- - At idling the exhaust gas mass flow flows completely through the bypass line
8th so theturbine 2 the first exhaust gas turbocharger is not flowed through. During cold running, the bypass line remains8th equally open to quickly reach the operating temperature of theexhaust aftertreatment device 6 to enable. - - In the low speed range is the bypass line
8th via thebypass valve 10 closed, so that the exhaust gas mass flow completely over the exhaust pipe4 through theturbine 2 of the first exhaust gas turbocharger flows. In particular, when the first exhaust aftertreatment device is a diesel particulate filter, the bypass valve is10 closed at full load and at partial load in the low speed range. During cold running, thebypass valve 10 also be partially open to quickly reach or maintain the operating temperature of theexhaust aftertreatment device 6 to enable. - - The
bypass valve 10 is fully open in the high speed range, both partial and full load, so that the exhaust gas mass flow through the bypass line8th flows and theturbine 2 the first exhaust gas turbocharger is not flowed through.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- BrennkraftmaschineInternal combustion engine
- 22
- Turbine des ersten AbgasturboladersTurbine of the first exhaust gas turbocharger
- 33
- Turbine des weiteren AbgasturboladersTurbine further exhaust gas turbocharger
- 44
- Abgasleitungexhaust pipe
- 55
- Krümmerelbow
- 66
- erste Abgasnachbehandlungseinrichtungfirst exhaust aftertreatment device
- 77
- weitere Abgasnachbehandlungseinrichtungfurther exhaust aftertreatment device
- 88th
- Bypassleitungbypass line
- 99
- Einmündungjunction
- 1010
- Bypassventilbypass valve
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005043060A DE102005043060B4 (en) | 2005-09-07 | 2005-09-07 | Turbocharger device for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005043060A DE102005043060B4 (en) | 2005-09-07 | 2005-09-07 | Turbocharger device for an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102005043060A1 DE102005043060A1 (en) | 2007-03-15 |
DE102005043060B4 true DE102005043060B4 (en) | 2012-10-04 |
Family
ID=37763012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005043060A Expired - Fee Related DE102005043060B4 (en) | 2005-09-07 | 2005-09-07 | Turbocharger device for an internal combustion engine |
Country Status (1)
Country | Link |
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DE (1) | DE102005043060B4 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008017280B4 (en) * | 2008-04-04 | 2017-01-26 | Man Truck & Bus Ag | Arrangement for influencing the conversion behavior of catalytic converters |
FR2934012B3 (en) * | 2008-07-15 | 2011-11-25 | Renault Sas | ARRANGEMENT FOR INCREASING THE ENTHALPY OF EXHAUST GASES COMPRISING A DEVICE FOR INJECTING A REDUCING AGENT IN A CATALYTIC DEPOLLUTION DEVICE |
GB2492995B (en) * | 2011-07-19 | 2014-12-17 | Jaguar Land Rover Ltd | Reducing the catalyst light-off time for an engine with a multi-stage turbocharger |
DE102011108916A1 (en) * | 2011-07-28 | 2013-01-31 | Volkswagen Aktiengesellschaft | Internal combustion engine for motor vehicle, has compressor whose output side is connected with input side of turbine for pressurizing compressed gas around turbine |
EP2687696A1 (en) * | 2012-07-18 | 2014-01-22 | Caterpillar Motoren GmbH & Co. KG | Compact exhaust gas treatment system and method of operating the same |
DE102013004649A1 (en) * | 2013-03-16 | 2014-09-18 | Volkswagen Aktiengesellschaft | Charged internal combustion engine and method for operating a supercharged internal combustion engine |
DE102016212249B4 (en) | 2016-07-05 | 2024-05-02 | Ford Global Technologies, Llc | Two-stage turbocharged direct-injection internal combustion engine with exhaust aftertreatment and method for operating such an internal combustion engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19849495C2 (en) * | 1998-10-27 | 2001-01-25 | Daimler Chrysler Ag | Supercharged internal combustion engine with a bypass line bridging the exhaust gas turbine |
DE10112521A1 (en) * | 2000-03-16 | 2001-12-06 | Ford Global Tech Inc | Automobile engine with regulated exhaust gas temperature and oxygen concentration |
DE10233495A1 (en) * | 2002-07-24 | 2004-01-29 | Bayerische Motoren Werke Ag | Internal combustion engine comprises a bypass pipe opening into an exhaust pipe downstream of a catalyst |
EP1396619A1 (en) * | 2002-09-05 | 2004-03-10 | BorgWarner Inc. | Supercharging system for an internal combustion engine |
DE10319594A1 (en) * | 2003-05-02 | 2004-11-18 | Daimlerchrysler Ag | Turbocharger device and a method for operating a turbocharger device |
-
2005
- 2005-09-07 DE DE102005043060A patent/DE102005043060B4/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19849495C2 (en) * | 1998-10-27 | 2001-01-25 | Daimler Chrysler Ag | Supercharged internal combustion engine with a bypass line bridging the exhaust gas turbine |
DE10112521A1 (en) * | 2000-03-16 | 2001-12-06 | Ford Global Tech Inc | Automobile engine with regulated exhaust gas temperature and oxygen concentration |
DE10233495A1 (en) * | 2002-07-24 | 2004-01-29 | Bayerische Motoren Werke Ag | Internal combustion engine comprises a bypass pipe opening into an exhaust pipe downstream of a catalyst |
EP1396619A1 (en) * | 2002-09-05 | 2004-03-10 | BorgWarner Inc. | Supercharging system for an internal combustion engine |
DE10319594A1 (en) * | 2003-05-02 | 2004-11-18 | Daimlerchrysler Ag | Turbocharger device and a method for operating a turbocharger device |
Also Published As
Publication number | Publication date |
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DE102005043060A1 (en) | 2007-03-15 |
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