EP2347107A1 - Anordnung zur frischgasversorgung einer turboaufgeladenen verbrennungsmaschine und verfahren zum steuern der anordnung - Google Patents
Anordnung zur frischgasversorgung einer turboaufgeladenen verbrennungsmaschine und verfahren zum steuern der anordnungInfo
- Publication number
- EP2347107A1 EP2347107A1 EP09778585A EP09778585A EP2347107A1 EP 2347107 A1 EP2347107 A1 EP 2347107A1 EP 09778585 A EP09778585 A EP 09778585A EP 09778585 A EP09778585 A EP 09778585A EP 2347107 A1 EP2347107 A1 EP 2347107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressed air
- combustion engine
- internal combustion
- exhaust gas
- arrangement
- 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- Withdrawn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 53
- 238000000034 method Methods 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 46
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005265 energy consumption Methods 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
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
-
- 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
- F02B21/00—Engines characterised by air-storage chambers
-
- 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
-
- 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
-
- 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
- F02M23/00—Apparatus for adding secondary air to fuel-air mixture
- F02M23/001—Apparatus for adding secondary air to fuel-air mixture built into a flange
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/40—Application in turbochargers
-
- 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 arrangement for supplying fresh gas to a turbo-charged internal combustion engine.
- the invention also relates to a method for controlling such an arrangement.
- Internal combustion engines such as diesel engines, are very often equipped with exhaust gas turbochargers.
- a drive impeller driven by an exhaust flow of the internal combustion engine drives a compressor impeller to compress fresh gas.
- Compressor wheels are made of aluminum or
- Aluminum alloys produced This has its cause in particular in the lower specific mass and thus also low moment of inertia, which is particularly important in torque requirements, ie during acceleration of the internal combustion engine, because the exhaust gas turbocharger can not promote sufficient air in each operating state of the internal combustion engine and thus produce a sufficient intake pressure.
- turbo lag an operating state during acceleration
- the internal combustion engine reacts when accelerating with a speed increase after a certain delay time, in which no exhaust gas energy, ie no sufficient exhaust gas pressure
- the exhaust gas mass flow must accelerate the turbocharger until it can build up its full boost pressure
- Reaching the maximum charge pressure or charge air pressure depends to a large extent on the mass inertia of the impellers (compressor impeller, drive wheel or turbine) of the turbocharger.
- Fresh gas is here to be understood as intake air.
- Compressed air is to be distinguished from it, it is produced separately, for example by means of a compressor and in one
- Container stored.
- Charge air is the intake air compressed by the turbocharger or the fresh gas compressed by it.
- EGR exhaust gas recirculation
- the object is achieved by an arrangement for fresh gas supply with the features of claim 1. It is also achieved by a method having the features of claim 8.
- an arrangement for supplying fresh gas to a turbo charged internal combustion engine having an intake pipe and an exhaust pipe comprising: an exhaust gas turbocharger with at least one compressor impeller for compression of fresh gas and supply of the compressed fresh gas to the internal combustion engine, and with at least one drive impeller for driving by exhaust gas of the internal combustion engine for Drive of the compressor impeller; and a compressed air supply means for controlled supply of compressed fresh gas or compressed air to the internal combustion engine, the Dmclduftzuschreib founded upon a charge air inlet to the compressor impeller, with an outlet to the intake manifold and to a compressed air inlet to a compressed air source, wholly or partly made of steel or a steel alloy ,
- the entire at least one compressor impeller of the exhaust gas turbocharger is formed from steel.
- Aluminum or titanium takes a far longer time than the steel impeller needed to reach the optimum speed. This also results in an advantageous fuel economy.
- Another advantage of the steel compressor wheels is the significantly higher robustness. This in turn allows higher speeds and higher pressure ratios of the turbocharger. In addition, it may be possible to reduce the number of charge stages required (e.g., reducing a two-stage loader to a single-stage loader). Thus, further costs, weight and space can be saved.
- the Dmckluftzubuch Kunststoff Kunststoffbuch für the Dmck Kunststoffzubuch thanks is formed with valves for the controlled supply of compressed air to the internal combustion engine when a pressure of the compacted from the compressor fresh gas in at least one specific operating state of the internal combustion engine falls below a predetermined value.
- the valves can be controlled by a control device of the compressed air supply device.
- the arrangement has a control device for controlling the compressed air supply device and for determining operating parameters of the exhaust gas turbocharger.
- the existing operating parameters of a motor control can be used in the vehicle. It is also conceivable that such a controller can be integrated in the engine control.
- the compressed air source may, for example, have a compressed air tank and a compressed air compressor feeding it. Other compressed air sources, such as an electric air compressor without storage are possible.
- the arrangement may have a charge air cooler, which is arranged between the compressor impeller of the exhaust gas turbocharger and the compressed air supply device, and also an exhaust gas recirculation.
- An inventive method for controlling the arrangement described above comprises the following method steps: determining the respective operating parameters of the internal combustion engine and an exhaust gas turbocharger by a control device and / or a motor control; Supplying compressed air by means of a compressed air supply device controlled by the control device to the internal combustion engine when a charge air pressure of the exhaust gas turbocharger is below a pressure value required according to the respectively determined operating parameters; or supplying charge air of the exhaust gas turbocharger to the internal combustion engine.
- FIG. 1 shows a schematic representation of an internal combustion engine with an arrangement according to the invention for fresh gas supply
- Fig. 2 is a graph of motor torques.
- the exhaust gas turbocharger 2 has a compressor impeller 4, which is rotatably coupled to the drive wheel 5.
- the compressor impeller 4 compresses fresh gas from a fresh gas inlet 2 to increase an intake pressure in an intake passage 14 for the internal combustion engine 1, whereby, for example, an acceleration behavior of Vehicle with the internal combustion engine 1 and a reduction in energy consumption can be achieved.
- the compressor impeller 4 is driven by the drive impeller 5, which is for example a turbine, which is driven by the exhaust gas of the internal combustion engine 1 and is arranged in the exhaust pipe 15 in the flow direction in front of an exhaust gas outlet 16.
- a compressed air inlet 11 is connected to the outlet 13 and via a valve via a compressed air line 12 to a compressed air source, which here is a compressed air tank 8, fed by a driven by the internal combustion engine 1 air compressor 9.
- a control device serves to control the valve and the flap element, also not shown. It is also connected here with pressure sensors, also not shown, in the outlet 13 and charge air inlet 10.
- the compressed air valve opens the connection from the compressed air inlet 11 to the outlet 13.
- the controlled flap element is closed, so that the compressed air is not supplied via the charge air inlet 10 can flow into the exhaust gas turbocharger 2 in the opposite direction to the suction direction, but flows directed into the suction line 14 via the outlet 13.
- this flap element is opened again and the valve is closed to the compressed air line 12. At this point in time, the charge air pressure through the exhaust gas turbocharger 2 is restored sufficient.
- FIG. 2 shows a graphical representation which illustrates an engine torque of the internal combustion engine 1 over the time t for different compressor wheels 4 with different materials in different combinations of arrangements for supplying fresh gas to the internal combustion engine 1.
- the curve 17 represents a first engine torque curve 17 in which a compressor impeller 4 made of steel is used and no arrangement according to the invention with a compressed air supply device 7 is present.
- a 90% motor torque M90 is reached only at a time t4.
- a time t3 which is achieved by a compressor impeller made of titanium, also without the inventive arrangement with a compressed air supply means 7, a second engine torque curve 18.
- Without the inventive arrangement with a compressed air supply device 7 is by means of a compressor impeller 4 made of aluminum with a third engine torque curve 19 an even earlier
- Time t2 achieved to reach the 90% motor torque M90. If now the arrangement according to the invention is used with a compressed air supply device 7 simultaneously with a compressor impeller 4 made of steel, then the fourth engine torque curve 20 results with the earliest time tl to reach the 90% motor torque despite a much higher mass moment of inertia of the compressor impeller 4 with respect to the other wheels the state of the art.
- the compressor impeller 4 may even be made of any material, with steel being advantageous in terms of fatigue strength and temperature resistance, cost and benefits in the application described above.
- a control device can also be provided with stored table values for different operating states of the internal combustion engine 1 and the exhaust gas turbocharger 2 in order to set the optimum value for compressed air supply and charge air for the internal combustion engine 1 for each operating state.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008048366A DE102008048366A1 (de) | 2008-09-22 | 2008-09-22 | Anordnung zur Frischgasversorgung einer turboaufgeladenen Verbrennungsmaschine und Verfahren zum Steuern der Anordnung |
PCT/EP2009/006730 WO2010031561A1 (de) | 2008-09-22 | 2009-09-17 | Anordnung zur frischgasversorgung einer turboaufgeladenen verbrennungsmaschine und verfahren zum steuern der anordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2347107A1 true EP2347107A1 (de) | 2011-07-27 |
Family
ID=41338616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09778585A Withdrawn EP2347107A1 (de) | 2008-09-22 | 2009-09-17 | Anordnung zur frischgasversorgung einer turboaufgeladenen verbrennungsmaschine und verfahren zum steuern der anordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110219766A1 (de) |
EP (1) | EP2347107A1 (de) |
CA (1) | CA2739358A1 (de) |
DE (1) | DE102008048366A1 (de) |
MX (1) | MX2011002826A (de) |
WO (1) | WO2010031561A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8567191B2 (en) * | 2011-03-25 | 2013-10-29 | General Electric Company | Methods and systems for controlling transient engine response |
WO2013095889A2 (en) | 2011-12-20 | 2013-06-27 | Carrier Corporation | Transport refrigeration system with engine shaft horsepower augmentation |
DE102012220893A1 (de) | 2012-11-15 | 2014-05-15 | Zf Friedrichshafen Ag | Fahrzeugantrieb mit einem Verbrennungsmotor und einer Abwärmenutzungseinheit |
US20140158099A1 (en) * | 2012-12-10 | 2014-06-12 | Bendix Commercial Vehicle Systems Llc | System and Method for Improved Emissions Control |
US20170204818A1 (en) * | 2016-01-19 | 2017-07-20 | International Engine Intellectual Property Company,Llc | Compressed air intake engine inlet booster |
BR102018075301A2 (pt) * | 2018-12-06 | 2020-06-16 | CNH Industrial Brasil Ltda. | Sistema para pressurização de gás para motores estacionários e kit de pressurização de gás para motores estacionários |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US3673796A (en) * | 1970-03-03 | 1972-07-04 | Caterpillar Tractor Co | Anticipating air injection system for turbocharged engines |
US3809493A (en) * | 1970-06-08 | 1974-05-07 | Carrier Corp | Interchangeable compressor drive |
DE2830358C2 (de) * | 1978-07-11 | 1984-05-17 | MTU Motoren- und Turbinen-Union München GmbH, 8000 München | Verdichterlaufrad, insbesondere Radialverdichterlaufrad für Strömungsmaschinen |
JPS6057721U (ja) * | 1983-09-29 | 1985-04-22 | 株式会社小松製作所 | エンジン駆動コンプレッサ装置 |
US4652216A (en) * | 1984-05-21 | 1987-03-24 | Allied Corporation | Compressor inlet control device |
JPH0192526A (ja) * | 1987-09-30 | 1989-04-11 | Isuzu Motors Ltd | 回転電機付ターボチャージャ |
JP2794522B2 (ja) * | 1993-09-24 | 1998-09-10 | 株式会社クボタ | 2サイクルエンジンの給気装置 |
JPH10148133A (ja) * | 1996-11-19 | 1998-06-02 | Ishikawajima Harima Heavy Ind Co Ltd | 排気再循環用過給機及び排気再循環用過給機を用いた排気ガス再循環装置 |
US6345503B1 (en) * | 2000-09-21 | 2002-02-12 | Caterpillar Inc. | Multi-stage compressor in a turbocharger and method of configuring same |
US6663347B2 (en) * | 2001-06-06 | 2003-12-16 | Borgwarner, Inc. | Cast titanium compressor wheel |
JP4082009B2 (ja) * | 2001-09-25 | 2008-04-30 | 株式会社日立プラントテクノロジー | ターボ圧縮機 |
CA2432831A1 (en) * | 2003-06-20 | 2004-12-20 | Peter G. Mokry | An impeller and a supercharger for an internal combustion engine |
DE10361913A1 (de) * | 2003-12-31 | 2005-09-08 | Birgit Bergmann | "Turboloch" (Ladeunterstützung mit Speicher) |
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. |
GB2425332A (en) * | 2005-04-23 | 2006-10-25 | Siemens Ind Turbomachinery Ltd | Providing swirl to the compressor of a turbocharger |
DE102006039300A1 (de) * | 2006-08-22 | 2008-02-28 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Einrichtung und Verfahren zur Frischluftversorgung einer turboaufgeladenen Kolbenbrennkraftmaschine |
US7654085B2 (en) * | 2006-08-28 | 2010-02-02 | Elijah Dumas | System of an induced flow machine |
US20090173071A1 (en) * | 2008-01-07 | 2009-07-09 | Davorin Kapich | Diesel engine with exhaust gas recirculation system |
DE102008008721A1 (de) * | 2008-02-12 | 2009-08-20 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Verfahren und Vorrichtung zum Versorgen eines Kompressors mit Druckluft bei einer Verbrennungskraftmaschine |
CN102015404B (zh) * | 2008-02-28 | 2015-09-30 | 克诺尔商用车制动系统有限公司 | 用于控制与内燃机耦合的自动化的变速箱的输出转矩的方法和装置 |
US20110120431A1 (en) * | 2008-07-10 | 2011-05-26 | Lilly Daryl A | Exhaust Gas Recirculation Valve Actuator |
-
2008
- 2008-09-22 DE DE102008048366A patent/DE102008048366A1/de not_active Withdrawn
-
2009
- 2009-09-17 CA CA2739358A patent/CA2739358A1/en not_active Abandoned
- 2009-09-17 EP EP09778585A patent/EP2347107A1/de not_active Withdrawn
- 2009-09-17 MX MX2011002826A patent/MX2011002826A/es active IP Right Grant
- 2009-09-17 WO PCT/EP2009/006730 patent/WO2010031561A1/de active Application Filing
-
2011
- 2011-03-21 US US13/052,555 patent/US20110219766A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2010031561A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20110219766A1 (en) | 2011-09-15 |
WO2010031561A1 (de) | 2010-03-25 |
CA2739358A1 (en) | 2010-03-25 |
MX2011002826A (es) | 2011-04-21 |
DE102008048366A1 (de) | 2010-04-08 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NEMETH, HUBA Inventor name: FRITSCH, GERD Inventor name: MARX, MANUEL |
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