DE102014011763A1 - Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle - Google Patents
Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle Download PDFInfo
- Publication number
- DE102014011763A1 DE102014011763A1 DE201410011763 DE102014011763A DE102014011763A1 DE 102014011763 A1 DE102014011763 A1 DE 102014011763A1 DE 201410011763 DE201410011763 DE 201410011763 DE 102014011763 A DE102014011763 A DE 102014011763A DE 102014011763 A1 DE102014011763 A1 DE 102014011763A1
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- internal combustion
- combustion engine
- heat
- heat exchanger
- 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- Withdrawn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 22
- 239000002918 waste heat Substances 0.000 title abstract description 5
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000002826 coolant Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 13
- 238000011084 recovery Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- 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
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- 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)
- Supercharger (AREA)
Abstract
Die Erfindung betrifft eine Anordnung (1) zur Gewinnung mechanischer Energie aus Verlustwärme einer Verbrennungskraftmaschine (2) eines Kraftfahrzeuges, wobei ein Arbeitskreislauf (3) für ein Arbeitsmedium vorgesehen ist, das unter Verwendung der Verlustwärme erwärmbar und verdampfbar ist, wobei im Arbeitskreislauf (3) eine Expansionsmaschine (8) zur Erzeugung mechanischer Energie aus dem Wärmeinhalt des Arbeitsmediums vorgesehen ist, wobei der Arbeitskreislauf (3) durch einen der Expansionsmaschine (8) in Strömungsrichtung (S) des Arbeitsmediums vorgelagerten Zwischenkreiswärmetauscher (12) verläuft, der über einen Zwischenkreis (10), in dem ein Wärmeträgermedium zirkuliert, mit einem Krümmerwärmetauscher verbunden ist, der mit einem Abgaskrümmer (5) der Verbrennungskraftmaschine (2) thermisch verbunden oder in diesen integriert ist.The invention relates to an arrangement (1) for recovering mechanical energy from waste heat of an internal combustion engine (2) of a motor vehicle, wherein a working circuit (3) is provided for a working medium which can be heated and vaporized using the lost heat, wherein in the working cycle (3) an expansion machine (8) for generating mechanical energy from the heat content of the working medium is provided, wherein the working cycle (3) by one of the expansion machine (8) in the flow direction (S) of the working medium upstream intermediate circuit heat exchanger (12), which via an intermediate circuit (10 ), in which a heat transfer medium circulates, is connected to a manifold heat exchanger, which is thermally connected to or integrated into an exhaust manifold (5) of the internal combustion engine (2).
Description
Die Erfindung betrifft eine Anordnung zur Gewinnung mechanischer Energie aus Verlustwärme einer Verbrennungskraftmaschine eines Kraftfahrzeuges gemäß dem Oberbegriff des Anspruchs 1.The invention relates to an arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle according to the preamble of claim 1.
Die
Der Erfindung liegt die Aufgabe zu Grunde, eine verbesserte Anordnung zur Gewinnung mechanischer Energie aus Verlustwärme einer Verbrennungskraftmaschine anzugeben.The invention is based on the object to provide an improved arrangement for recovering mechanical energy from heat loss of an internal combustion engine.
Die Aufgabe wird erfindungsgemäß gelöst durch eine Anordnung zur Gewinnung mechanischer Energie aus Verlustwärme einer Verbrennungskraftmaschine gemäß Anspruch 1.The object is achieved by an arrangement for obtaining mechanical energy from heat loss of an internal combustion engine according to claim 1.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
In einer erfindungsgemäßen Anordnung zur Gewinnung mechanischer Energie aus Verlustwärme einer Verbrennungskraftmaschine eines Kraftfahrzeuges ist ein Arbeitskreislauf für ein Arbeitsmedium vorgesehen, das unter Verwendung der Verlustwärme erwärmbar und verdampfbar ist, wobei im Arbeitskreislauf eine Expansionsmaschine zur Erzeugung mechanischer Energie aus dem Wärmeinhalt des Arbeitsmediums vorgesehen ist. Dabei ist der Wärmeinhalt des Arbeitsmediums, auch Enthalpie genannt, ein Maß für die im Arbeitsmedium gespeicherte Energie. Die Enthalpie H setzt sich zusammen aus der inneren Energie U und dem Produkt p·V. Dieses Produkt repräsentiert die Energie, die als Arbeit erforderlich war, um das Arbeitsmedium auf seinen aktuellen Druck und sein aktuelles Volumen zu bringen. Erfindungsgemäß verläuft der Arbeitskreislauf durch einen der Expansionsmaschine in Strömungsrichtung des Arbeitsmediums vorgelagerten Zwischenkreiswärmetauscher, der über einen Zwischenkreis, in dem ein Wärmeträgermedium zirkuliert, mit einem Krümmerwärmetauscher verbunden ist, der mit einem Abgaskrümmer der Verbrennungskraftmaschine thermisch verbunden oder in diesen integriert ist.In an inventive arrangement for obtaining mechanical energy from heat loss of an internal combustion engine of a motor vehicle, a working circuit for a working medium is provided which can be heated and vaporized using the heat loss, wherein an expansion machine for generating mechanical energy from the heat content of the working medium is provided in the working cycle. The heat content of the working medium, also called enthalpy, is a measure of the energy stored in the working medium. The enthalpy H is composed of the internal energy U and the product p · V. This product represents the energy that was required as work to bring the working fluid to its current pressure and current volume. According to the invention, the working cycle passes through an intermediate-circuit heat exchanger upstream of the expansion machine in the direction of flow of the working medium, which is connected via an intermediate circuit, in which a heat transfer medium circulates, to a manifold heat exchanger, which is thermally connected to or integrated into an exhaust manifold of the internal combustion engine.
Auf diese Weise werden der Abgaskrümmer und die darin geführten Abgase der Verbrennungskraftmaschine gekühlt, so dass auf eine sonst erforderliche Volllastanfettung zum Schutz von Bauteilen, beispielsweise eines im Abgasstrom liegenden Abgasturboladers verzichtet werden kann. Zudem wird die aus dem Abgaskrümmer abgeführte Wärme in der Expansionsmaschine genutzt, beispielsweise zur Erzeugung elektrischer Energie im Rahmen einer thermischen Rekuperation, so dass sich ein Wirkungsgrad der erfindungsgemäßen Anordnung mit der Verbrennungskraftmaschine verbessert.In this way, the exhaust manifold and the exhaust gases guided therein of the internal combustion engine are cooled, so that can be dispensed with an otherwise required Volllastanfettung to protect components, such as an exhaust gas turbocharger located in the exhaust stream. In addition, the heat dissipated from the exhaust manifold is used in the expansion machine, for example, to generate electrical energy in the context of thermal recuperation, so that an efficiency of the inventive arrangement with the internal combustion engine improves.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Zeichnung näher erläutert.Embodiments of the invention will be explained in more detail below with reference to a drawing.
Dabei zeigt:Showing:
Die Verbrennungskraftmaschine
Es ist weiter ein Zwischenkreis
Der Arbeitskreislauf
Alternativ oder ergänzend dazu kann die erzeugte mechanische Energie ganz oder teilweise direkt genutzt werden, um einen Fahrzeugantrieb zu darzustellen oder zu unterstützen, ein Nebenagregat des Fahrzeugs anzutreiben oder eine Nebenabtriebswelle des Fahrzeugs anzutreiben, mit der beispielsweise Fremdaggregate, wie eine Betonmischmaschine oder dergleichen, über das Fahrzeug betrieben werden können.Alternatively or additionally, the generated mechanical energy may be used in whole or in part directly to represent or assist a vehicle drive, drive a Nebenagregat the vehicle or drive a power take-off shaft of the vehicle, with the example of foreign equipment, such as a concrete mixer or the like, on the Vehicle can be operated.
Durch die Expansion kühlt das Arbeitsmedium ab, beispielsweise auf etwa 100°C bis 130°C, und wird anschließend durch einen Kondensator
Die in
Die Expansionsmaschine
Die Zustandsänderungen des Arbeitsmediums im Clausius-Rankine Kreislauf beginnen mit der adiabaten, isentropen Druckerhöhung durch die Pumpe
In einer alternativen Ausführungsform kann der Zwischenkreiswärmetauscher
Bezugszeichenliste LIST OF REFERENCE NUMBERS
- 11
- Anordnungarrangement
- 22
- VerbrennungskraftmaschineInternal combustion engine
- 33
- ArbeitskreislaufWorking circuit
- 44
- Pumpepump
- 55
- Abgaskrümmerexhaust manifold
- 66
- Abgasturboladerturbocharger
- 77
- AbgaswärmetauscherExhaust gas heat exchanger
- 88th
- Expansionsmaschineexpander
- 99
- Kondensatorcapacitor
- 1010
- ZwischenkreisDC
- 1111
- ZwischenkreispumpeIntermediate circuit pump
- 1212
- ZwischenkreiswärmetauscherIntermediate circuit heat exchanger
- AA
- Abgasexhaust
- SS
- Strömungsrichtungflow direction
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 1925806 A2 [0002] EP 1925806 A2 [0002]
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201410011763 DE102014011763A1 (en) | 2014-08-06 | 2014-08-06 | Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201410011763 DE102014011763A1 (en) | 2014-08-06 | 2014-08-06 | Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102014011763A1 true DE102014011763A1 (en) | 2015-03-12 |
Family
ID=52478592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201410011763 Withdrawn DE102014011763A1 (en) | 2014-08-06 | 2014-08-06 | Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102014011763A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016014731A1 (en) | 2016-12-10 | 2017-07-20 | Daimler Ag | Waste heat recovery device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1925806A2 (en) | 2006-11-24 | 2008-05-28 | Behr GmbH & Co. KG | System with an organic Rankine cycle for operating at least one expansion machine, heat exchanger for operating one expansion machine, method for operating at least one expansion machine |
-
2014
- 2014-08-06 DE DE201410011763 patent/DE102014011763A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1925806A2 (en) | 2006-11-24 | 2008-05-28 | Behr GmbH & Co. KG | System with an organic Rankine cycle for operating at least one expansion machine, heat exchanger for operating one expansion machine, method for operating at least one expansion machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016014731A1 (en) | 2016-12-10 | 2017-07-20 | Daimler Ag | Waste heat recovery device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102006043139B4 (en) | Apparatus for obtaining mechanical or electrical energy from the waste heat of an internal combustion engine of a motor vehicle | |
EP2785985B1 (en) | Device and method for utilizing the waste heat of an internal combustion engine, in particular for utilizing the waste heat of a vehicle engine | |
DE102011005722B3 (en) | Method for operating a steam cycle process | |
DE102007041944B3 (en) | Apparatus for energy conversion, combined heat and power plant with such an apparatus and method for operating an ORC plant | |
EP2808500A1 (en) | Heat pump cycle with a first thermal fluid energy machine and a second thermal fluid energy machine | |
DE102006043835A1 (en) | The heat exchanger assembly | |
WO2007014942A2 (en) | Drive device | |
DE102010049916A1 (en) | Method for utilizing waste heat from exhaust stream of internal combustion engine in vehicle, involves supplying exhaust gas stream of exhaust gas heat exchanger to waste heat recovery apparatus and absorption cooling machine | |
DE102008064015A1 (en) | Waste heat recovery device for utilization of waste heat of internal combustion engine of motor vehicle, has working fluid circuit connected with coolant heat exchanger, and coolant circuit fluid coupled with engine cooling circuit | |
DE102011056910A1 (en) | System and method for utilizing the heat of a gas turbine intercooler in a bottoming steam process | |
DE102010033659A1 (en) | Method for recovering energy from exhaust stream of e.g. petrol engine in motor car, involves supplying exhaust gas stream to secondary side of working medium, where working medium is held in joule cyclic circuit | |
DE102012220188B4 (en) | Integrated ORC process on intercooled compressors to increase efficiency and reduce required drive power by utilizing waste heat | |
DE10055202A1 (en) | Electrical generation steam cycle with increased efficiency, branches off working fluid and condenses it for cooling during expansion process | |
DE102010004079A1 (en) | Power system for utilizing Rankine process to use heat of internal combustion engine, has exhaust gas heat exchanger which delivers heat of charge air of internal combustion engine to working fluid | |
WO2017054895A1 (en) | Waste heat recovery device | |
DE102016218764A1 (en) | Internal combustion engine of a motor vehicle with a waste heat utilization device | |
DE102009003850B4 (en) | Drive arrangement with steam cycle process and method for operating such a drive arrangement | |
DE102008004903A1 (en) | Internal combustion engine for motor vehicle, has condensation device for cooling and/or condensing working medium, and comprising liquid-cooled cooler and air-cooled cooler through which working medium is successively flowed | |
DE102011052776B4 (en) | Supercritical heat pump | |
WO2008055720A2 (en) | Working medium for steam circuit process | |
DE102008013545A1 (en) | Waste heat recovery device for internal combustion engine, has lubricant separator for removing lubricant again from work fluid circuit, and lubricant pump for conveying lubricant in lubricant circuit | |
EP3559564B1 (en) | Method and apparatus for generating process cold and process steam | |
EP1482131A1 (en) | Indirectly heated process for generating electric power in a cycle and device for the implementation thereof | |
DE102014011763A1 (en) | Arrangement for obtaining mechanical energy from waste heat of an internal combustion engine of a motor vehicle | |
DE102010038314A1 (en) | Drive system for a vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R230 | Request for early publication | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |