DE102007012667A1 - Loading device for internal-combustion engine of motor vehicle, has auxiliary compressor rotatably connected with turbine, which is connected with intake section in direction of flow of fresh air behind compressor and auxiliary compressor - Google Patents
Loading device for internal-combustion engine of motor vehicle, has auxiliary compressor rotatably connected with turbine, which is connected with intake section in direction of flow of fresh air behind compressor and auxiliary compressor Download PDFInfo
- Publication number
- DE102007012667A1 DE102007012667A1 DE102007012667A DE102007012667A DE102007012667A1 DE 102007012667 A1 DE102007012667 A1 DE 102007012667A1 DE 102007012667 A DE102007012667 A DE 102007012667A DE 102007012667 A DE102007012667 A DE 102007012667A DE 102007012667 A1 DE102007012667 A1 DE 102007012667A1
- Authority
- DE
- Germany
- Prior art keywords
- compressor
- fresh air
- turbine
- auxiliary compressor
- 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.)
- Ceased
Links
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
- 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
- F02B29/0406—Layout of the intake air cooling or coolant circuit
-
- 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
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
- F02B37/025—Multiple scrolls or multiple gas passages guiding the gas to the pump drive
-
- 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
- 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
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/164—Control of the pumps by bypassing charging air the bypassed air being used in an auxiliary apparatus, e.g. in an air turbine
-
- 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
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
-
- 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
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
-
- 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
Abstract
Description
Die Erfindung betrifft eine Aufladevorrichtung für eine Brennkraftmaschine mit den Merkmalen aus dem Oberbegriff des Patentanspruchs 1.The The invention relates to a charging device for an internal combustion engine with the features of the preamble of claim 1.
Sie
geht von der
Der aus diesem Stand der Technik bekannte Zusatzverdichter hat den Nachteil, dass er von nahezu Stillstand auf seine Betriebsdrehzahl beschleunigt werden muss. Dieser Vorgang dauert nach heutigen Erkenntnissen ca. 0,7 bis 1,5 Sekunden. Außerdem wird für die Beschleunigung des Zusatzverdichters eine hohe elektrische Leistung benötigt, die am günstigsten über ein 42 V Bordnetz des Kraftfahrzeuges bereitgestellt werden sollte, um zu hohe Ströme zu vermeiden.Of the Additional compressor known from this prior art has the disadvantage that it will be accelerated from near standstill to its operating speed got to. This process takes about 0.7 according to today's findings up to 1.5 seconds. Also, for the acceleration the auxiliary compressor requires a high electrical power, the cheapest via a 42 V electrical system of the Motor vehicle should be provided to high currents to avoid.
Aufgabe der vorliegenden Erfindung ist es, eine Maßnahme aufzuzeigen, wie der Zusatzverdichter insbesondere bei niedrigen Drehzahlen ständig auf Drehzahl gehalten werden kann, um die Ansprechzeit zu verkürzen.task the present invention is to show a measure like the auxiliary compressor especially at low speeds constantly on Speed can be kept to shorten the response time.
Diese Aufgabe wird durch die Merkmale im kennzeichnenden Teil des Patentanspruchs 1 gelöst.These The object is achieved by the features in the characterizing part of the claim 1 solved.
Durch den Unterdruck im Saugtrakt wird die weitere Turbine bei niedrigen Drehzahlen der Brennkraftmaschine, d. h. bis der Abgasturbolader einen Ladedruck aufbauen kann, ständig auf Drehzahl gehalten, wodurch der Zusatzverdichter ebenfalls ständig auf Drehzahl gehalten wird. Somit wird der Zusatzverdichter ohne zusätzlichen Energieaufwand auf einem bestimmten Drehzahlniveau gehalten. Wird nun Ladedruck vom Zusatzverdichter benötigt, muss dieser nicht mehr aus dem Stillstand beschleunigt werden. Die Ansprechzeit bis zum Erreichen des gewünschten Ladedrucks verkürzt sich erheblich. Darüber hinaus muss eine geringere elektrische Leistung zur Verfügung gestellt werden, nämlich nur der Anteil, der für den Verdichtungsvorgang benötigt wird. Ein derartiger Zusatzverdichter kann voraussichtlich auch über ein 12 V-Bordnetz des Kraftfahrzeuges betrieben werden.By the negative pressure in the intake tract, the other turbine at low Rotational speeds of the internal combustion engine, d. H. until the turbocharger can build up a boost pressure, constantly kept at speed, whereby the additional compressor also constantly on speed is held. Thus, the additional compressor without additional Energy consumption kept at a certain speed level. Becomes now boost pressure required by the additional compressor, this must no longer be accelerated from standstill. The response time shortened to reach the desired boost pressure considerably. In addition, a lower electric power needs be made available, namely only the Proportion needed for the compaction process. Such an additional compressor can probably also over a 12 V electrical system of the motor vehicle are operated.
Mit der Ausgestaltung gemäß Patentanspruch 2 wird die verdichtete, heiße Luft heruntergekühlt bevor sie der Verbrennung zugeführt wird. Hierdurch ist eine Leistungssteigerung der Brennkraftmaschine möglich.With The embodiment according to claim 2 is the compressed, hot air cooled down before it is fed to combustion. This is a Performance increase of the internal combustion engine possible.
Die Ausgestaltung gemäß Patentanspruch 3 ist eine bevorzugte Ausführungsvariante.The Embodiment according to claim 3 is a preferred embodiment.
Mit der Ausgestaltung gemäß Patentanspruch 4 ist es möglich, den Zusatzverdichter als zusätzliche Luftpumpe zur Abgasnachbehandlung, d. h. für eine Nachoxidation der Abgase zu verwenden.With the embodiment according to claim 4 is possible, the additional compressor as additional Air pump for exhaust aftertreatment, d. H. for a post-oxidation to use the exhaust gases.
Mit der Ausgestaltung gemäß Patentanspruch 5 lässt sich die Frischluftmenge, die in den Abgasstrang eingeblasen wird, regeln.With the embodiment according to claim 5 leaves the amount of fresh air that is injected into the exhaust line, regulate.
Mit der Ausgestaltung gemäß Patentanspruch 6 bildet der Zusatzverdichter im Abgasturboladerbetrieb kein zusätzliches Strömungshindernis.With the embodiment according to claim 6 forms the additional compressor in the exhaust gas turbocharger operation no additional Flow obstruction.
Im Folgenden ist die Erfindung anhand eines bevorzugten Ausführungsbeispieles in zwei Figuren näher erläutert.in the The invention is based on a preferred embodiment explained in two figures.
Beim
Betrieb der Brennkraftmaschine
Vorzugsweise
wird in Strömungsrichtung des Abgases nach der Turbine
In
einem weiteren Ausführungsbeispiel ist der Ansaugtrakt
In
einer weiteren bevorzugten Ausführungsform weist der Zusatzverdichter
In
einem weiteren Ausführungsbeispiel kann der Zusatzverdichter
Eine
erste, gepunktete Kurve zeigt eine Volllastkurve
Als
zweite, durchgezogene Kurve ist eine Volllastkurve
Als
dritte, gestrichelt-durchgezogene Kurve ist eine Volllastkurve
Je
nach Auslegung der Brennkraftmaschine
Somit
ergeben sich für die erfindungsgemäße
Ausgestaltung der Aufladevorrichtung folgende Vorteile:
Die
Ansprechzeit bis zum Erreichen des gewünschten Ladedrucks
ist verkürzt. Es muss kein 42 V Bordnetz verwendet werden.
Eine zweistufige Aufladung mit einem Zusatzverdichter
The response time to reach the desired boost pressure is shortened. There is no need to use a 42 V electrical system. A two-stage charge with an additional compressor
In
dem Betriebsfall, in dem die weitere Turbine
- 11
- BrennkraftmaschineInternal combustion engine
- 22
- Ansaugtraktintake system
- 33
- Abgastraktexhaust tract
- 44
- Abgasturboladerturbocharger
- 4'4 '
- Verdichtercompressor
- 4''4 ''
- Turbineturbine
- 55
- Zusatzverdichterauxiliary compressor
- 66
- weitere TurbineFurther turbine
- 77
- LadeluftkühlerIntercooler
- 88th
- Verbindungconnection
- 99
- Drosselelementthrottle element
- 1010
- Abgasreinigungsanlageemission control system
- 1111
- Luftsammlerplenum
- 1212
- Zylindercylinder
- 1313
- Bypassbypass
- 1414
- Volllastkurve SaugbetriebFull load curve suction
- 1515
- Volllastkurve AbgasturboladerbetriebFull load curve Turbocharger operation
- 1616
- Volllastkurve Abgasturboladerbetrieb mit ZusatzverdichterFull load curve Exhaust gas turbocharger operation with additional compressor
- 1717
- UnterdruckbereichUnder pressure range
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - EP 1347158 B1 [0002] - EP 1347158 B1 [0002]
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012667A DE102007012667A1 (en) | 2007-03-16 | 2007-03-16 | Loading device for internal-combustion engine of motor vehicle, has auxiliary compressor rotatably connected with turbine, which is connected with intake section in direction of flow of fresh air behind compressor and auxiliary compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012667A DE102007012667A1 (en) | 2007-03-16 | 2007-03-16 | Loading device for internal-combustion engine of motor vehicle, has auxiliary compressor rotatably connected with turbine, which is connected with intake section in direction of flow of fresh air behind compressor and auxiliary compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007012667A1 true DE102007012667A1 (en) | 2008-09-18 |
Family
ID=39688198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007012667A Ceased DE102007012667A1 (en) | 2007-03-16 | 2007-03-16 | Loading device for internal-combustion engine of motor vehicle, has auxiliary compressor rotatably connected with turbine, which is connected with intake section in direction of flow of fresh air behind compressor and auxiliary compressor |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007012667A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120279218A1 (en) * | 2009-10-16 | 2012-11-08 | Michiyasu Ishida | Miller cycle engine |
DE102014114980A1 (en) * | 2014-10-15 | 2016-04-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Charged internal combustion engine and method for operating the same |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2003408B1 (en) * | 1970-01-27 | 1971-05-13 | Maschf Augsburg Nuernberg Ag | Two-stroke internal combustion engine with charging by at least one exhaust gas turbocharger group |
DE3507541A1 (en) * | 1984-03-13 | 1985-09-19 | Volkswagenwerk Ag, 3180 Wolfsburg | Turbocharger arrangement with additional fresh gas turbine |
US5207063A (en) * | 1991-10-21 | 1993-05-04 | Alliedsignal Inc. | Turbocharger system for internal combustion engine and method of operation |
JPH0650159A (en) * | 1992-07-31 | 1994-02-22 | Mitsubishi Heavy Ind Ltd | Supercharging system of diesel engine with supercharger |
DE19603591C1 (en) * | 1996-02-01 | 1997-03-06 | Daimler Benz Ag | Exhaust gas feedback system for turbocharged internal combustion engines |
US5904045A (en) * | 1995-09-11 | 1999-05-18 | Kapich; Davorin D. | Hydropneumatic engine supercharger system |
US6062026A (en) * | 1997-05-30 | 2000-05-16 | Turbodyne Systems, Inc. | Turbocharging systems for internal combustion engines |
DE19840625C2 (en) * | 1998-09-05 | 2002-07-04 | Daimler Chrysler Ag | Steering valve arrangement of a hydraulic steering system |
DE10221014A1 (en) * | 2002-05-11 | 2003-11-27 | Daimler Chrysler Ag | Variable exhaust gas turbocharger of an internal combustion engine |
DE10340142A1 (en) * | 2003-09-01 | 2005-03-31 | Robert Bosch Gmbh | Device for compressing combustion air |
DE10359526A1 (en) * | 2003-12-18 | 2005-07-28 | Daimlerchrysler Ag | Charged internal combustion engine |
DE102004011251A1 (en) * | 2004-03-09 | 2005-10-13 | Daimlerchrysler Ag | Compressor, internal combustion engine with a compressor and method for operating an internal combustion engine |
EP1347158B1 (en) | 2002-03-19 | 2005-11-09 | Ford Global Technologies, LLC | Electrically assisted charger system for an internal combustion engine and method for the regulation |
DE602004000194T2 (en) * | 2003-03-13 | 2006-08-03 | Peugeot Citroen Automobiles S.A. | Charged internal combustion engine with electrically assisted turbocharger |
-
2007
- 2007-03-16 DE DE102007012667A patent/DE102007012667A1/en not_active Ceased
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2003408B1 (en) * | 1970-01-27 | 1971-05-13 | Maschf Augsburg Nuernberg Ag | Two-stroke internal combustion engine with charging by at least one exhaust gas turbocharger group |
DE3507541A1 (en) * | 1984-03-13 | 1985-09-19 | Volkswagenwerk Ag, 3180 Wolfsburg | Turbocharger arrangement with additional fresh gas turbine |
US5207063A (en) * | 1991-10-21 | 1993-05-04 | Alliedsignal Inc. | Turbocharger system for internal combustion engine and method of operation |
JPH0650159A (en) * | 1992-07-31 | 1994-02-22 | Mitsubishi Heavy Ind Ltd | Supercharging system of diesel engine with supercharger |
US5904045A (en) * | 1995-09-11 | 1999-05-18 | Kapich; Davorin D. | Hydropneumatic engine supercharger system |
DE19603591C1 (en) * | 1996-02-01 | 1997-03-06 | Daimler Benz Ag | Exhaust gas feedback system for turbocharged internal combustion engines |
US6062026A (en) * | 1997-05-30 | 2000-05-16 | Turbodyne Systems, Inc. | Turbocharging systems for internal combustion engines |
DE19840625C2 (en) * | 1998-09-05 | 2002-07-04 | Daimler Chrysler Ag | Steering valve arrangement of a hydraulic steering system |
EP1347158B1 (en) | 2002-03-19 | 2005-11-09 | Ford Global Technologies, LLC | Electrically assisted charger system for an internal combustion engine and method for the regulation |
DE10221014A1 (en) * | 2002-05-11 | 2003-11-27 | Daimler Chrysler Ag | Variable exhaust gas turbocharger of an internal combustion engine |
DE602004000194T2 (en) * | 2003-03-13 | 2006-08-03 | Peugeot Citroen Automobiles S.A. | Charged internal combustion engine with electrically assisted turbocharger |
DE10340142A1 (en) * | 2003-09-01 | 2005-03-31 | Robert Bosch Gmbh | Device for compressing combustion air |
DE10359526A1 (en) * | 2003-12-18 | 2005-07-28 | Daimlerchrysler Ag | Charged internal combustion engine |
DE102004011251A1 (en) * | 2004-03-09 | 2005-10-13 | Daimlerchrysler Ag | Compressor, internal combustion engine with a compressor and method for operating an internal combustion engine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120279218A1 (en) * | 2009-10-16 | 2012-11-08 | Michiyasu Ishida | Miller cycle engine |
DE102014114980A1 (en) * | 2014-10-15 | 2016-04-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Charged internal combustion engine and method for operating the same |
DE102014114980B4 (en) | 2014-10-15 | 2024-02-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Supercharged internal combustion engine and method for operating the same |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
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Effective date: 20131126 |
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