EP2516823A1 - Turbocompresseur à gaz d'échappement pour moteur à combustion interne présentant un système d'alimentation en gaz frais, et dispositif correspondant - Google Patents
Turbocompresseur à gaz d'échappement pour moteur à combustion interne présentant un système d'alimentation en gaz frais, et dispositif correspondantInfo
- Publication number
- EP2516823A1 EP2516823A1 EP10798756A EP10798756A EP2516823A1 EP 2516823 A1 EP2516823 A1 EP 2516823A1 EP 10798756 A EP10798756 A EP 10798756A EP 10798756 A EP10798756 A EP 10798756A EP 2516823 A1 EP2516823 A1 EP 2516823A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- turbocharger
- internal combustion
- compressor
- supply device
- 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.)
- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
- F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
-
- 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
- F02B37/14—Control of the alternation between or the operation of exhaust drive and other drive of a pump, e.g. dependent on speed
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- 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
Definitions
- the invention relates to an exhaust gas turbocharger for an internal combustion engine with a fresh gas supply device.
- the invention also relates to a corresponding arrangement for supplying fresh gas to an internal combustion engine.
- FIG. 1 shows an internal combustion engine 1 according to the prior art, the exhaust pipe 6 is connected to an exhaust gas turbine 12 of an exhaust gas turbocharger 10.
- This exhaust gas turbine 12 drives a compressor 1 1 of the exhaust gas turbocharger 10, in which case the exhaust gas turbine 12 and the compressor 1 1 are coupled via a turbocharger shaft 13.
- the compressor 1 1 compresses intake air from a fresh gas inlet 2 and thus increases an intake pressure in an intake passage 5 of the internal combustion engine 1.
- an acceleration performance of a vehicle, not shown, which is equipped with the internal combustion engine 1 improved.
- a reduction in fuel consumption is achieved.
- Compressor wheels of exhaust gas turbochargers (ATL) in internal combustion engines are made of aluminum or aluminum alloys or titanium or titanium alloys. The reason for this lies in the low specific mass and thus also in a low mass moment of inertia.
- This turbocharger is produced in internal combustion engines with exhaust gas turbochargers therefore, since during an acceleration process, the exhaust gas mass flow from the internal combustion engine 1 through the exhaust gas turbine 12 has to accelerate the compressor 1 1 of the exhaust gas turbocharger 10, The time until the maximum charge pressure is reached depends to a large extent on the inertia of the wheels (the exhaust gas turbine 12 and the compressor 11) . The lower the mass moment of inertia, the more the turbocharger speed is reduced during one Shifting or gear changes (especially in manual transmissions and automated manual transmissions).
- compressed air for example, from a fed from an air compressor 9 compressed air tank 8, controlled in the intake manifold 5 of the internal combustion engine 1 is introduced to cover this with an increased intake air demand of the internal combustion engine 1 this by means of a fresh gas supply device 4, which is arranged between the compressor 1 1 of the turbocharger 10 and a downstream in the flow direction intercooler 3 and the suction line 5.
- WO 2006/089779 A1 describes a device for supplying fresh air to a turbo-charged piston internal combustion engine and a method for operating the same.
- an exhaust gas turbocharger for an internal combustion engine, in particular a diesel engine, with a fresh gas supply device, wherein the exhaust gas turbocharger comprises at least one compressor; at least one exhaust gas turbine; a turbocharger shaft via which the at least one compressor and the at least one exhaust gas turbine are rotatably coupled; and an energy storage device for increasing a moment of inertia, wherein the energy store is rotatably coupled via the turbocharger shaft with the at least one compressor and the at least one exhaust gas turbine.
- One idea of the invention is to equip the exhaust gas turbocharger with an energy store, which increases an inertia of the exhaust gas turbocharger.
- an energy store which increases an inertia of the exhaust gas turbocharger.
- a combination in an arrangement of exhaust gas turbocharger and fresh gas supply device has the advantage that after a gear change the exhaust gas turbocharger is synchronized with the existing engine speed so that an acceleration of the exhaust gas turbocharger to a required for the existing engine speed Turoboladerburnierewert for an associated boost pressure deleted.
- a further advantage is that compressed air consumption of the fresh gas supply device is reduced, since acceleration of the exhaust gas turbocharger after a gear change is dispensed with.
- the energy storage has to a flywheel. He can as a kind
- Be formed flywheel which is rotatably mounted on the turbocharger shaft.
- This flywheel also be at least partially integrated into the turbocharger shaft, which reduces a number of parts. It is also possible that the flywheel of the energy storage is divided so that it is at least partially integrated in rotatable parts of the at least one compressor and / or the at least one exhaust gas turbine. This is possible, for example, when the wheels of the compressor and / or exhaust gas turbine are made of steel.
- the flywheel of the energy storage device can be set for a predetermined delay of the rotational speed of the exhaust gas turbocharger, whereby a compressed air consumption of the fresh gas supply device is reduced. At the same time, the efficiency of the internal combustion engine is increased.
- FIG. 1 is a schematic representation of an internal combustion engine with an exhaust gas turbocharger and a fresh gas supply device according to the prior art
- FIG. 2 shows a schematic representation of an internal combustion engine with an exemplary embodiment of an exhaust gas turbocharger according to the invention and a fresh gas supply device
- 3a-c three diagrams of temporal relationships of a Gangstin- wechseis with engine speed and Turoladerburniere.
- FIG. 2 shows a schematic representation of an internal combustion engine 1 with an exemplary embodiment of an exhaust gas turbocharger 10 according to the invention and a fresh gas supply device 4.
- the exhaust-gas turbocharger 10 has an energy store 14 in the exemplary embodiment shown in FIG.
- the exhaust gas turbocharger 10 according to the invention and the fresh gas supply device 4 form an arrangement for supplying fresh gas to the internal combustion engine 1
- the energy store 14 is coupled to the turbocharger shaft 13 and, in this example, comprises a flywheel which is connected to the compressor 11 and the exhaust gas turbine. ne 12 rotates together when the exhaust gas turbine 12 through the exhaust stream of
- Internal combustion engine 1 is driven.
- the energy storage increases as a flywheel in the manner of a flywheel, the inertia of the compressor 1 1 and the exhaust turbine 12.
- An increase in inertia by the flywheel leads to a significant increase in the turbo lag during acceleration processes as well as when starting the internal combustion engine 1 associated vehicle or when accelerating from low speed without switching operation.
- the exhaust gas turbocharger 10 provided with the energy storage device 14 with the fresh gas supply device 4 shown in FIG. 2 but also by the increased inertia of the wheels of compressor 1 1 and exhaust gas turbine 12 enlarged turbo lag by injection of compressed air by means of Frischgasver- sorgungsvorides 4 in the intake passage 5 of the internal combustion engine 1 almost completely reduced.
- the energy storage 14 may be applied as a centrifugal mass on the turbocharger shaft 13 rotatably. It is also possible that the flywheel is distributed, for example, on two or more flywheels, which are arranged at a suitable position of the turbocharger shaft 13. The energy storage 14 may also be coupled in another way to the turbocharger shaft 13, for example via a clutch and / or a transmission. Of course, the turbocharger shaft 14 may be formed so that the energy storage is integrated in it. The flywheel of the energy accumulator 14 may be selected so that a drop in the rotational speed of the exhaust gas turbocharger, for example, during a gear change, reaches a predetermined value per unit time.
- FIG 3a shows a diagram of gear steps G over the time t.
- a gear stage 5 of an automatic gearbox not shown, is set before a point in time T1.
- Tl a gear change takes place from the gear 5 in gear 7.
- T2 the gear 7 is taken.
- the duration of the gear stage change or the switching operation from Tl to T2 in this example is 2 s.
- FIG. 3 b shows a diagram in which an engine speed n M is schematically plotted over time as a graph section.
- the engine speed n MT1 is 1500 rpm.
- the associated turbocharger speed n L is shown in FIG. 3c in a further diagram.
- the turbocharger speed n LT1 is 150000 rpm.
- the flywheel is predetermined so that the exhaust gas turbocharger 10 is braked during the switching operation of 2 s by 40000 U / s. In this way, after a switching operation of 2 s at time T2, the optimum turbocharger speed n ' LT2 , which is now synchronized to the existing engine speed n MT2 . It is then no unnecessary high acceleration of the exhaust gas turbocharger 10 more necessary, a turbo lag does not occur.
- the flywheel of the energy accumulator 14 increases the turbo lag when starting from an idle speed of the internal combustion engine 1 or when accelerating from low engine speed n M without switching operation. However, this effect is completely eliminated by the fresh gas supply device 4.
- the turbocharger speed n LT2 is synchronized with the engine speed n MT2 and no longer needs to be accelerated, the air consumption in the insufflation process of compressed air is reduced by the fresh gas supply device. It follows that a necessary adaptation of the air compressor 9 or an air drying system, for example, in a commercial vehicle is avoidable and provides a cost savings.
- the energy store 14 may be subsequently attachable to exhaust gas turbochargers 10 prepared therefor, e.g. via a corresponding coupling, or can be mounted therein.
- the impellers of compressor 1 1 and / or exhaust turbine 12 may be made of a heavier material than aluminum or titanium, such as steel. As a result, additional flywheel mass of the energy store 14 can be reduced.
- turbocharger shaft 13 can be coupled in order to adapt the mass moment of inertia to different operating conditions of the internal combustion engine 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009060181A DE102009060181A1 (de) | 2009-12-23 | 2009-12-23 | Abgasturbolader für eine Verbrennungskraftmaschine mit einer Frischgasversorgungsvorrichtung und eine entsprechende Anordnung |
PCT/EP2010/069824 WO2011076641A1 (fr) | 2009-12-23 | 2010-12-15 | Turbocompresseur à gaz d'échappement pour moteur à combustion interne présentant un système d'alimentation en gaz frais, et dispositif correspondant |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2516823A1 true EP2516823A1 (fr) | 2012-10-31 |
Family
ID=43799697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10798756A Withdrawn EP2516823A1 (fr) | 2009-12-23 | 2010-12-15 | Turbocompresseur à gaz d'échappement pour moteur à combustion interne présentant un système d'alimentation en gaz frais, et dispositif correspondant |
Country Status (9)
Country | Link |
---|---|
US (1) | US9238997B2 (fr) |
EP (1) | EP2516823A1 (fr) |
JP (1) | JP2013515892A (fr) |
KR (1) | KR20120113759A (fr) |
CN (1) | CN102667097A (fr) |
CA (1) | CA2785119A1 (fr) |
DE (1) | DE102009060181A1 (fr) |
MX (1) | MX2012007386A (fr) |
WO (1) | WO2011076641A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106812615A (zh) * | 2015-11-30 | 2017-06-09 | 长城汽车股份有限公司 | 发动机的控制方法、系统及车辆 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9476365B2 (en) * | 2012-05-17 | 2016-10-25 | Ford Global Technologies, Llc | Coordination of cam timing and blow-through air delivery |
DE102012221403A1 (de) * | 2012-11-22 | 2014-05-22 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Betrieb einer fremdgezündeten Brennkraftmaschine mit einem Abgasturbolader |
CN104895666B (zh) * | 2015-07-03 | 2017-07-21 | 江苏理工学院 | 涡轮增压系统及其增动力方法和采用的涡轮增压辅助装置 |
CN104929759B (zh) * | 2015-07-03 | 2017-11-14 | 江苏理工学院 | 废气涡轮增压系统及加动力、降动力方法和增压辅助装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2514699A1 (de) * | 1975-04-04 | 1976-10-14 | Daimler Benz Ag | Abgasgetriebene ladepumpe fuer brennkraftmaschine |
US4145888A (en) * | 1977-06-20 | 1979-03-27 | Borg-Warner Corporation | Combined turbocharger and accessory drive |
DE2834785C2 (de) * | 1978-08-09 | 1986-07-10 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Brennkraftmaschine, insbesondere abgasturbogeladene Kolben-Brennkraftmaschine, mit Beschleunigungseinrichtung |
DE2840375A1 (de) * | 1978-09-16 | 1980-04-10 | Maschf Augsburg Nuernberg Ag | Abgasturbolader fuer dieselmotoren |
DE2912950C2 (de) * | 1979-03-31 | 1982-05-19 | Essers, Ulf, Prof. Dr.-Ing., 7000 Stuttgart | Abgasturboaufgeladene Brennkraftmaschine |
JPS57143127A (en) * | 1981-02-27 | 1982-09-04 | Isuzu Motors Ltd | Turbocharger |
JPS585426A (ja) * | 1981-06-30 | 1983-01-12 | Isuzu Motors Ltd | 排気タ−ボ過給装置 |
DE3602543A1 (de) * | 1986-01-29 | 1987-10-01 | Walter Schopf | Abgasturbolader mit dynamischen ladeverhalten |
JP2622994B2 (ja) * | 1988-08-05 | 1997-06-25 | 株式会社いすゞセラミックス研究所 | 回転電機付ターボチャージャの制御装置 |
JPH02223627A (ja) * | 1989-02-27 | 1990-09-06 | Isuzu Motors Ltd | 車両のエネルギー回収装置 |
US6553764B1 (en) * | 2001-12-19 | 2003-04-29 | Caterpillar Inc | Enhanced response turbocharger using flywheel storage |
US6718768B2 (en) * | 2002-08-12 | 2004-04-13 | Caterpillar Inc | Inertia augmented turbocharger |
US8205450B2 (en) * | 2004-05-07 | 2012-06-26 | Honeywell International Inc. | Method of operating an electrically assisted turbocharger and a boosting device |
DE102004026796A1 (de) * | 2004-06-02 | 2005-12-29 | Daimlerchrysler Ag | Abgasturbolader für eine Brennkraftmaschine und Verfahren zum Betrieb eines Abgasturboladers |
MX2007010194A (es) | 2004-09-10 | 2008-11-04 | Knorr Bremse Systeme | Dispositivo para la alimentacion de aire fresco a un motor de combustion interna con embolo turbocargado y metodo para la operacion de este. |
CN100575679C (zh) * | 2005-02-24 | 2009-12-30 | 克诺尔商用车制动系统有限公司 | 内燃机新鲜空气供给装置及改善内燃机加速和排放的方法 |
DE102008000325A1 (de) * | 2008-02-18 | 2009-08-20 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zur Steuerung einer Druckluftversorgung einer Brennkraftmaschine und anderer Einrichtungen |
CA2715275C (fr) | 2008-02-28 | 2016-07-05 | Knorr-Bremse Systeme Fur Nutzfahrzeuge Gmbh | Procede et dispositif de commande d'un couple de sortie d'une boite de vitesses automatique couplee avec un moteur a combustion interne |
JP2009281195A (ja) * | 2008-05-20 | 2009-12-03 | Toyota Motor Corp | 内燃機関制御装置 |
DE102010004657B4 (de) * | 2010-01-14 | 2012-03-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Frischgasversorgungsvorrichtung für eine Verbrennungsmaschine und Verfahren zum Betrieb einer solchen Frischgasversorgungsvorrichtung |
US8434305B2 (en) * | 2010-05-06 | 2013-05-07 | Honeywell International Inc. | Compressed-air-assisted turbocharger system for internal combustion engine |
US8428844B2 (en) * | 2010-05-19 | 2013-04-23 | Bendix Commercial Vehicle Systems Llc | Vehicle pneumatic booster system operating method and apparatus |
-
2009
- 2009-12-23 DE DE102009060181A patent/DE102009060181A1/de not_active Withdrawn
-
2010
- 2010-12-15 EP EP10798756A patent/EP2516823A1/fr not_active Withdrawn
- 2010-12-15 MX MX2012007386A patent/MX2012007386A/es not_active Application Discontinuation
- 2010-12-15 WO PCT/EP2010/069824 patent/WO2011076641A1/fr active Application Filing
- 2010-12-15 KR KR1020127019153A patent/KR20120113759A/ko not_active Application Discontinuation
- 2010-12-15 CN CN2010800593191A patent/CN102667097A/zh active Pending
- 2010-12-15 CA CA2785119A patent/CA2785119A1/fr not_active Abandoned
- 2010-12-15 JP JP2012545237A patent/JP2013515892A/ja active Pending
-
2012
- 2012-06-25 US US13/532,433 patent/US9238997B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011076641A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106812615A (zh) * | 2015-11-30 | 2017-06-09 | 长城汽车股份有限公司 | 发动机的控制方法、系统及车辆 |
Also Published As
Publication number | Publication date |
---|---|
CN102667097A (zh) | 2012-09-12 |
WO2011076641A1 (fr) | 2011-06-30 |
JP2013515892A (ja) | 2013-05-09 |
MX2012007386A (es) | 2012-07-23 |
DE102009060181A1 (de) | 2011-06-30 |
US20120317976A1 (en) | 2012-12-20 |
US9238997B2 (en) | 2016-01-19 |
CA2785119A1 (fr) | 2011-06-30 |
KR20120113759A (ko) | 2012-10-15 |
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