WO2003067059A1 - Brennkraftmaschine mit abschaltbaren zylinder - Google Patents
Brennkraftmaschine mit abschaltbaren zylinder Download PDFInfo
- Publication number
- WO2003067059A1 WO2003067059A1 PCT/EP2002/014453 EP0214453W WO03067059A1 WO 2003067059 A1 WO2003067059 A1 WO 2003067059A1 EP 0214453 W EP0214453 W EP 0214453W WO 03067059 A1 WO03067059 A1 WO 03067059A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylinders
- designed
- operating points
- internal combustion
- combustion engine
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/08—EGR systems specially adapted for supercharged engines for engines having two or more intake charge compressors or exhaust gas turbines, e.g. a turbocharger combined with an additional compressor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S123/00—Internal-combustion engines
- Y10S123/07—Convertible
Definitions
- the invention relates to an internal combustion engine with a plurality of cylinders, at least some of which can be switched off during operation.
- the cylinders that can be switched off during operation are designed for operating points with a high load, it is possible to operate only the remaining cylinders in operating points with a low load and only switch on the previously deactivated cylinders at full load or at least a higher load requirement, in order in this way to be able to satisfy the desired load requirement. In the area of higher loads, the cylinders designed for low loads may also be shut down.
- the cylinders designed for operating points with a high load can have a lower compression than the cylinders designed for operating points with a low load.
- Such a higher compression of those cylinders which are designed for operating points with a low load can lead to low hydrocarbon and carbon monoxide emissions, especially in cold start operation, whereas the low compression of the cylinders designed for the operating points with a high load leads to a reduction in nitrogen oxide emissions when the engine is warm Internal combustion engine ensures that the pollutant concentration at all operating points increased power or torque can be reduced at the same time.
- An increase in performance of the cylinders designed for the operating points with high load can also be achieved in that the cylinders designed for operating points with high load are provided with injection nozzles which have a higher fuel flow rate than injection nozzles of the cylinders designed for operating points with low load.
- a possibility which can be very well realized in practice for dividing the cylinders designed for operating points with a high load and the cylinders designed for operating points with a low load can consist in that two cylinder banks are provided, the cylinders designed for operating points with high load in one cylinder bank and the cylinders designed for low load operating points are arranged in the other cylinder bank.
- complex measures for reducing the exhaust gas emissions are provided for the cylinders designed for operating points with a low load, to which those for those for operating points with a high load are based. laid cylinders should be dispensed with, this can be realized very advantageously with two structurally independent cylinder banks and with corresponding cost savings.
- An internal combustion engine 1 has, in a manner known per se, two cylinder banks 2 and 3, which in the present case are arranged in a V construction. In both cylinder banks 2 and 3 there are four cylinders 2a, 2b, 2c and 2d or 3a, 3b, 3c and 3d. Of course, any other number of cylinders of the individual cylinder banks 2 and 3 would also be conceivable, just as a different number of cylinder banks is also conceivable.
- Respective intake lines 4 and 5 lead to the two cylinder banks 2 and 3, and the respective cylinders 2a, 2b, 2c and 2d or 3a, 3b lead via inlet ducts 4a, 4b, 4c and 4d or 5a, 5b, 5c and 5d connected to them , 3c and 3d with intake air.
- the exhaust gas generated in the cylinders 2a, 2b, 2c and 2d or 3a, 3b, 3c and 3d during combustion is discharged through exhaust pipes 6 and 7, which are connected to the cylinders 2a, 2b, 2c and 2d or 3a, 3b, 3c and 3d are connected via outlet channels 6a, 6b, 6c and 6d or 7a, 7b, 7c and 7d.
- the cylinders 3a, 3b, 3c, 3d of the cylinder bank 3 are cylinders which can be switched off during the operation of the internal combustion engine 1 and are designed for operating points with a high load.
- the cylinders 2a, 2b, 2c and 2d of the cylinder bank 2 are designed for operating points with a low load, it also being possible for the cylinders 2a, 2b, 2c and 2d to be switched off, for example in high operating states. forth, but not the highest load requirement.
- the cylinders 2a, 2b, 2c and 2d are designed or optimized for low fuel consumption and low pollutant emissions, that is to say exhaust-gas optimized, whereas the cylinders 3a, 3b, 3c and 3d which can be switched off are designed to deliver a high output or a high output Torque designed, so are optimized for load.
- the cylinders 3a, 3b, 3c and 3d for operating points with a higher load, they can for example have a lower compression g than the cylinders 2a, 2b, 2c and 2d.
- a lower compression _ which can be achieved, for example, by using other pistons or connecting rods, leads to a reduction in the nitrogen oxide emissions thereof when the internal combustion engine 1 is warm, whereas with higher compression ⁇ the cylinders 2a, 2b designed for the operating points with a low load , 2c and 2d the hydrocarbon and carbon monoxide emissions are reduced, which can lead to problems particularly in cold start operation.
- a higher load on the cylinders 3a, 3b, 3c and 3d is also possible.
- injection nozzles 8a, 8b, 8c and 8d are arranged which have a lower fuel flow rate than in the intake ports 5a, 5b, 5c and 5d of the cylinders 3a, 3b, 3c and 3d arranged injectors 9a, 9b, 9c and 9d.
- This will alleviate 3a, 3b, 3c and 3d supplied a larger amount of fuel than the cylinders 2a, 2b, 2c and 2d, whereby these can generate a higher torque.
- This larger fuel flow rate of the injection nozzles 9a, 9b, 9c and 9d can be achieved, for example, by means of larger nozzle openings or a modified injector.
- the cylinders 2a, 2b, 2c and 2d in the present exemplary embodiment have a smaller number of load change valves 10a, 10b, 10c and 10d, namely two each, than the cylinders 3a, 3b, 3c and 3d, which in the present case each have four load change valves 11a, 11b, 11c and lld are provided. This also contributes to a higher power development of the cylinders 3a, 3b, 3c and 3d in comparison with the cylinders 2a, 2b, 2c and 2d.
- the cylinders 2a, 2b, 2c and 2d are supplied with charge air by an exhaust gas turbocharger 12 and the cylinders 3a, 3b, 3c and 3d by a further exhaust gas turbocharger 13.
- the exhaust gas turbocharger 13 has a larger air flow rate than the exhaust gas turbocharger 12 of the cylinders 2a, 2b, 2c and 2d designed for operating points with a low load.
- the exhaust gas turbocharger 13 could also have one per se known, so-called wastegate and optionally be equipped with an adjustable turbine geometry.
- the cylinders 2a, 2b, 2c and 2d are provided with an exhaust gas recirculation device 14 which can operate in a manner known per se. If necessary, exhaust gas recirculation cooling can also be provided for exhaust gas recirculation device 14, but this is not shown.
- This measure also serves to reduce the emissions of the cylinders 2a, 2b, 2c and 2d, it being possible to dispense with such a measure for the cylinders 3a, 3b, 3c and 3d, as well as the exhaust gas recirculation device 14 described above.
- the internal combustion engine 1 can be implemented both as a diesel engine and as a gasoline engine, one not Electronic control unit shown ensures smooth switching on and off of the respective cylinders. If the heat management of the two cylinder groups 2a, 2b, 2c and 2d or 3a, 3b, 3c and 3d is designed accordingly, the internal combustion engine 1 can also be heated up more quickly.
- the number of cylinders 3a, 3b, 3c and 3d which can be deactivated during operation and are designed for an operating point with high load to differ from the number of cylinders 2a, 2b, 2c and which are designed for an operating point with low load 2d differentiates depending on how large the increase in output due to the cylinders 3a, 3b, 3c and 3d designed for an operating point with a higher load is, and which exhaust gas limit values are to be observed.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Supercharger (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02796670A EP1472448A1 (de) | 2002-02-05 | 2002-12-18 | Brennkraftmaschine mit abschaltbaren zylinder |
JP2003566387A JP2005517115A (ja) | 2002-02-05 | 2002-12-18 | 停止状態にできるシリンダを備える内燃機関 |
US10/911,906 US7028678B2 (en) | 2002-02-05 | 2004-08-05 | Internal combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10204482A DE10204482A1 (de) | 2002-02-05 | 2002-02-05 | Brennkraftmaschine |
DE10204482.1 | 2002-02-05 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/911,906 Continuation-In-Part US7028678B2 (en) | 2002-02-05 | 2004-08-05 | Internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003067059A1 true WO2003067059A1 (de) | 2003-08-14 |
Family
ID=27588340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/014453 WO2003067059A1 (de) | 2002-02-05 | 2002-12-18 | Brennkraftmaschine mit abschaltbaren zylinder |
Country Status (5)
Country | Link |
---|---|
US (1) | US7028678B2 (de) |
EP (1) | EP1472448A1 (de) |
JP (1) | JP2005517115A (de) |
DE (1) | DE10204482A1 (de) |
WO (1) | WO2003067059A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2874652A1 (fr) * | 2004-08-24 | 2006-03-03 | Bosch Gmbh Robert | Procede et dispositif de gestion d'un moteur a combustion interne comportant au moins deux bancs de cylindres |
EP2657484A1 (de) * | 2012-04-24 | 2013-10-30 | Ford Global Technologies, LLC | Fremdgezündete Brennkraftmaschine mit Teilabschaltung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
EP2657486A1 (de) * | 2012-04-24 | 2013-10-30 | Ford Global Technologies, LLC | Selbstzündende Brennkraftmaschine mit Teilabschaltung und Verfahren zum verbrauchsoptimierten Betreiben einer derartigen Brennkraftmaschine |
AT517716A4 (de) * | 2015-10-28 | 2017-04-15 | Avl List Gmbh | Mehrzylinder-brennkraftmaschine |
ITUB20155457A1 (it) * | 2015-11-11 | 2017-05-11 | Fpt Ind Spa | Motore a combustione interna e metodo di controllo dello stesso motore |
EP2657487B1 (de) * | 2012-04-24 | 2019-04-03 | Ford Global Technologies, LLC | Selbstzündende Brennkraftmaschine mit Teilabschaltung und Verfahren zum emissionsoptimierten Betreiben einer derartigen Brennkraftmaschine |
Families Citing this family (28)
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US7552583B2 (en) * | 2004-11-08 | 2009-06-30 | Caterpillar Inc. | Exhaust purification with on-board ammonia production |
US7184879B1 (en) | 2006-01-23 | 2007-02-27 | Ford Global Technologies, Llc | Method for controlling valves during the stop of an engine having a variable event valvetrain |
DE102005014789A1 (de) * | 2005-03-31 | 2006-10-05 | Nonox B.V. | Verfahren zum Steuern des im Brennraum einer Brennkraftmaschine vorhandenen brennfähigen Luft-Kraftstoffgemisches |
US7240480B1 (en) * | 2006-02-17 | 2007-07-10 | Ford Global Technologies, Llc | Dual Combustion Mode Engine |
US7621126B2 (en) * | 2006-04-05 | 2009-11-24 | Ford Global Technoloigies, LLC | Method for controlling cylinder air charge for a turbo charged engine having variable event valve actuators |
US7458346B2 (en) * | 2006-04-05 | 2008-12-02 | Ford Global Technologies, Llc | Method for controlling valves of an engine having a variable event valvetrain during an engine stop |
US7562530B2 (en) * | 2006-04-05 | 2009-07-21 | Ford Global Technologies, Llc | Method for controlling an internal combustion engine having a variable event valvetrain |
US8230684B2 (en) * | 2007-04-20 | 2012-07-31 | Borgwarner Inc. | Combustion engine breathing system including a compressor valve for a biturbo with cylinder deactivation |
US7770393B2 (en) * | 2007-07-13 | 2010-08-10 | Ford Global Technologies, Llc | Control of turbocharger imbalance |
US8209109B2 (en) | 2007-07-13 | 2012-06-26 | Ford Global Technologies, Llc | Method for compensating an operating imbalance between different banks of a turbocharged engine |
CN102713213B (zh) * | 2009-12-04 | 2015-01-14 | 丰田自动车株式会社 | 火花点火式内燃机 |
DE102010047795A1 (de) * | 2010-10-07 | 2012-04-12 | Daimler Ag | Betriebsverfahren für eine Brennkraftmaschine |
US8631646B2 (en) * | 2011-05-12 | 2014-01-21 | Ford Global Technologies, Llc | Methods and systems for variable displacement engine control |
DE102011090160B4 (de) * | 2011-12-30 | 2023-02-23 | Dr.Ing.H.C. F. Porsche Ag | Brennkraftmaschine mit einer Anordnung zur Abgas- und Ladeluftführung |
EP2657485B1 (de) * | 2012-04-24 | 2015-08-05 | Ford Global Technologies, LLC | Verfahren zum Betreiben einer fremdgezündeten Brennkraftmaschine mit Teilabschaltung |
JP6003239B2 (ja) * | 2012-05-30 | 2016-10-05 | いすゞ自動車株式会社 | 内燃機関 |
JP6252006B2 (ja) * | 2013-07-17 | 2017-12-27 | 三菱自動車工業株式会社 | エンジンの制御装置 |
DE202015001995U1 (de) | 2014-03-14 | 2015-06-30 | Ferrari S.P.A. | Verbrennungsmotor mit teilweiser Zylinderabschaltung beim Betrieb im unteren Lastbereich |
JP6011576B2 (ja) | 2014-04-24 | 2016-10-19 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
GB2528259B (en) * | 2014-07-14 | 2020-06-03 | Ford Global Tech Llc | Selectively deactivatable engine cylinder |
JP6135693B2 (ja) | 2015-02-20 | 2017-05-31 | トヨタ自動車株式会社 | 過給エンジンの制御装置 |
DE102015208538B3 (de) * | 2015-05-07 | 2016-10-06 | Ford Global Technologies, Llc | Kraftfahrzeug |
US10107180B2 (en) | 2015-04-24 | 2018-10-23 | Ford Global Technologies, Llc | Two-stage supercharging internal combustion engine having an exhaust-gas aftertreatment arrangement, and method for operating a two-stage supercharged internal combustion engine |
DE102015214616B4 (de) * | 2015-07-31 | 2018-08-23 | Ford Global Technologies, Llc | Verfahren zum Betreiben einer abgasturboaufgeladenen Brennkraftmaschine mit Teilabschaltung |
US10066559B2 (en) * | 2015-10-27 | 2018-09-04 | Ford Global Technologies, Llc | Method and system for engine control |
US11199162B2 (en) | 2016-01-19 | 2021-12-14 | Eaton Intelligent Power Limited | In-cylinder EGR and VVA for aftertreatment temperature control |
DE102016218544A1 (de) | 2016-09-27 | 2018-03-29 | Bayerische Motoren Werke Aktiengesellschaft | Hubkolben-Verbrennungsmotor sowie Verfahren zum Betreiben eines Hubkolben-Verbrennungsmotors |
GB2559186B (en) * | 2017-01-31 | 2020-06-03 | Delphi Automotive Systems Lux | Fuel injector and combustion chamber design for cylinder-on-demand (COD) technology |
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US4231338A (en) * | 1978-12-28 | 1980-11-04 | Nissan Motor Company, Limited | Internal combustion engine |
JPS56118532A (en) * | 1980-02-22 | 1981-09-17 | Nissan Motor Co Ltd | Cylinder number controllable engine |
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JPS57186036A (en) * | 1981-05-13 | 1982-11-16 | Nissan Motor Co Ltd | Cylinder quantity controlled engine |
US4364345A (en) * | 1979-12-12 | 1982-12-21 | Nissan Motor Company, Limited | Split type internal combustion engine |
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JPH03275949A (ja) * | 1990-03-23 | 1991-12-06 | Mazda Motor Corp | ディーゼルエンジン |
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US6640543B1 (en) * | 2001-09-21 | 2003-11-04 | Western Washington University | Internal combustion engine having variable displacement |
US6786190B2 (en) * | 2002-11-25 | 2004-09-07 | General Motors Corporation | Compact turbocharged cylinder deactivation engine |
-
2002
- 2002-02-05 DE DE10204482A patent/DE10204482A1/de not_active Withdrawn
- 2002-12-18 WO PCT/EP2002/014453 patent/WO2003067059A1/de not_active Application Discontinuation
- 2002-12-18 EP EP02796670A patent/EP1472448A1/de not_active Withdrawn
- 2002-12-18 JP JP2003566387A patent/JP2005517115A/ja not_active Abandoned
-
2004
- 2004-08-05 US US10/911,906 patent/US7028678B2/en not_active Expired - Fee Related
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US4231338A (en) * | 1978-12-28 | 1980-11-04 | Nissan Motor Company, Limited | Internal combustion engine |
US4364345A (en) * | 1979-12-12 | 1982-12-21 | Nissan Motor Company, Limited | Split type internal combustion engine |
JPS56118532A (en) * | 1980-02-22 | 1981-09-17 | Nissan Motor Co Ltd | Cylinder number controllable engine |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2874652A1 (fr) * | 2004-08-24 | 2006-03-03 | Bosch Gmbh Robert | Procede et dispositif de gestion d'un moteur a combustion interne comportant au moins deux bancs de cylindres |
EP2657484A1 (de) * | 2012-04-24 | 2013-10-30 | Ford Global Technologies, LLC | Fremdgezündete Brennkraftmaschine mit Teilabschaltung und Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
EP2657486A1 (de) * | 2012-04-24 | 2013-10-30 | Ford Global Technologies, LLC | Selbstzündende Brennkraftmaschine mit Teilabschaltung und Verfahren zum verbrauchsoptimierten Betreiben einer derartigen Brennkraftmaschine |
US9051874B2 (en) | 2012-04-24 | 2015-06-09 | Ford Global Technologies, Llc | Internal combustion engine with partial deactivation and method for the operation of an internal combustion engine of said type |
US9376967B2 (en) | 2012-04-24 | 2016-06-28 | Ford Global Technologies, Llc | Auto-ignition internal combustion engine with partial deactivation and method for the operation of an internal combustion engine of said type |
EP2657487B1 (de) * | 2012-04-24 | 2019-04-03 | Ford Global Technologies, LLC | Selbstzündende Brennkraftmaschine mit Teilabschaltung und Verfahren zum emissionsoptimierten Betreiben einer derartigen Brennkraftmaschine |
AT517716A4 (de) * | 2015-10-28 | 2017-04-15 | Avl List Gmbh | Mehrzylinder-brennkraftmaschine |
AT517716B1 (de) * | 2015-10-28 | 2017-04-15 | Avl List Gmbh | Mehrzylinder-brennkraftmaschine |
ITUB20155457A1 (it) * | 2015-11-11 | 2017-05-11 | Fpt Ind Spa | Motore a combustione interna e metodo di controllo dello stesso motore |
EP3168444A1 (de) * | 2015-11-11 | 2017-05-17 | FPT Industrial S.p.A. | Verbrennungsmotor und verfahren zur steuerung davon |
Also Published As
Publication number | Publication date |
---|---|
DE10204482A1 (de) | 2003-08-14 |
JP2005517115A (ja) | 2005-06-09 |
US7028678B2 (en) | 2006-04-18 |
EP1472448A1 (de) | 2004-11-03 |
US20050034701A1 (en) | 2005-02-17 |
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