DE19728152A1 - Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor - Google Patents

Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor

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Publication number
DE19728152A1
DE19728152A1 DE19728152A DE19728152A DE19728152A1 DE 19728152 A1 DE19728152 A1 DE 19728152A1 DE 19728152 A DE19728152 A DE 19728152A DE 19728152 A DE19728152 A DE 19728152A DE 19728152 A1 DE19728152 A1 DE 19728152A1
Authority
DE
Germany
Prior art keywords
exhaust gas
exhaust
engine
electric motor
improving efficiency
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
Application number
DE19728152A
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19600252A external-priority patent/DE19600252A1/en
Application filed by Individual filed Critical Individual
Priority to DE19728152A priority Critical patent/DE19728152A1/en
Priority to PCT/EP1998/004060 priority patent/WO1999001649A1/en
Priority to AU88543/98A priority patent/AU8854398A/en
Publication of DE19728152A1 publication Critical patent/DE19728152A1/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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 from exhaust energy
    • F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using kinetic energy
    • 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
    • F02B35/00—Engines characterised by provision of pumps for sucking combustion residues from cylinders
    • F02B35/02—Engines characterised by provision of pumps for sucking combustion residues from cylinders using rotary pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • 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
    • F01N2290/00—Movable parts or members in exhaust systems for other than for control purposes
    • F01N2290/02—Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement
    • F01N2290/04—Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement driven by exhaust gases
    • 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

A procedure is described for improving the overall efficiency of a hybrid drive with at least one IC engine and at least one electric motor as drive sources, using exhaust energy recovery with at least one exhaust-driven turbogenerator. The exhaust energy accumulating during operation of the IC engine is used for the generation of electrical energy so that without further energy supply, an additional energy potential is available for use by the electric motor of the hybrid drive. A significant increase in efficiency, especially in the part-load range of the IC engine, is made possible. To increase the exhaust energy recovery potential in the exhaust duct behind the last exhaust turbine stage, a vacuum is generated relative to the ambient pressure.

Description

(1) Bei dem Verfahren zur Verbesserung des Wirkungsgrads kann das nutzbare Abgasenergierückgewinnungspotential durch Herstellung von Unterdruck im Abgaskanal hinter der letzten Abgasturbinenstufe signifikant gesteigert werden, d. h. die Abgasturbine bzw. Abgasturbinen arbeiten auf einen geringe­ ren Gegendruck (geringer als Atmosphärendruck). Eine effi­ ziente Möglichkeit zur Realisation ist die Verwendung eines Venturirohrunterdrucksystems, wie in Anspruch 1 angegeben.(1) In the method of improving efficiency can exploit the exhaust gas energy recovery potential Production of negative pressure in the exhaust duct behind the last one Exhaust gas turbine stage can be significantly increased, d. H. the Exhaust gas turbine or exhaust gas turbines work on a low back pressure (less than atmospheric pressure). An effi The most effective way to achieve this is to use a Venturi tube vacuum system as specified in claim 1.

(2) Hierbei wird ein Kraftfahrzeug zugrunde gelegt, in das ein nach strömungstechnischen Gesichtspunkten konstruiertes Venturirohr integriert und vom Fahrtwind mit einem Luftstrom beaufschlagt wird. Der sich einstellende Unterdruck im Be­ reich des geringsten Querschnitts des Venturirohrs kann bei Bedarf durch eine geeignete Querschnittsregeleinrichtung im Einlaßbereich konstant gehalten werden. Der Abgaskanal mün­ det in das Venturirohr im Bereich des geringsten Drucks und man erhält den gewünschten Effekt. Die Größe des Luftstroms im Venturirohr sollte ein mehrfaches der des Abgasstroms betragen.(2) This is based on a motor vehicle in which a fluidly constructed one Venturi tube integrated and from the headwind with an air flow is applied. The resulting negative pressure in the loading range of the smallest cross-section of the Venturi tube can Required by a suitable cross-sectional control device in the Inlet area to be kept constant. The exhaust duct mün det into the venturi in the area of the lowest pressure and you get the desired effect. The size of the airflow in the Venturi tube should be several times that of the exhaust gas flow be.

(3) Eine weitere Möglichkeit den gewünschten Effekt zu er­ zielen, ist die Verwendung eines Unterdruckgebläses, wie in Anspruch 2 angegeben. Hierbei wird ein Unterdruckgebläse in den Abgaskanal integriert und von einer Abgasturbine, einem Elektromotor oder einem beliebigen anderen Motor angetrie­ ben.(3) Another way to achieve the desired effect aim is to use a vacuum blower as in Claim 2 specified. Here, a vacuum blower in integrated the exhaust duct and from an exhaust gas turbine, one Electric motor or any other motor driven ben.

(4) Die Kombination von Venturiunterdruckrohrsystem und Un­ terdruckgebläse (Anspruch 3) ermöglicht den geringsten Unterdruck im Abgaskanal und damit die größte Steigerung des Abgasenergierückgewinnungspotentials. (4) The combination of venturi vacuum pipe system and Un terdruck blower (claim 3) allows the least Vacuum in the exhaust duct and thus the largest increase in Exhaust gas recovery potential.  

(5) Anspruch 4 beinhaltet ein Netzwerk, das für die elek­ trische Verbindung von Abgasturbogenerator und Pufferbatte­ rie in besonderer Weise geeignet ist. Das Netzwerk ist auf das Betriebsverhalten der beiden Komponenten zugeschnitten, da es die je nach Betriebszustand unterschiedliche Span­ nungsamplitude des Generators auf die Spannungshöhe der Bat­ terie in einem großen Bereich ausgleicht und somit für einen stabilen Energietransport zum Energiespeicher oder Elektro­ antrieb sorgt. Die Schaltung zeichnet sich durch Einfachheit und Übersichtlichkeit aus.(5) Claim 4 includes a network for the elec trical connection of exhaust gas turbine generator and buffer battery rie is particularly suitable. The network is on tailored the operating behavior of the two components, since it is the different chip depending on the operating state voltage amplitude of the generator to the voltage level of the bat balance in a large area and thus for one stable energy transport to energy storage or electrical drive ensures. The circuit is characterized by simplicity and clarity.

(6) Die Schaltung (s. Fig. 1) weist die folgenden Funktions­ merkmale bezogen auf eine Phase auf: D+ führt den positiven, D- den negativen Außenleiterstrom. L+ nimmt die anfallenden positiven, L- die negative Spannungszeitflächen auf und speichern die entsprechenden Energiemengen, die in den un­ mittelbar folgenden Halbwellen an das Gleichspannungssystem übertragen werden. DF wirken als Freilaufdioden. Über D wer­ den weitere Phasen eingekoppelt.(6) The circuit (see FIG. 1) has the following functional characteristics related to a phase: D + carries the positive, D- the negative phase current. L + absorbs the positive, L- the negative voltage time areas and stores the corresponding amounts of energy that are transferred to the DC voltage system in the immediately following half-waves. D F act as free-wheeling diodes. The other phases are coupled in via D.

Claims (4)

1. Verfahren zur Wirkungsgradverbesserung nach den Ansprü­ chen 1-5 der Hauptanmeldung, wobei das nutzbare Abgasenergierückgewinnungs­ potential durch Herstellung von Unterdruck im Abgaskanal hinter der letzten Abgasturbinenstufe mittels Venturi­ unterdruckrohrsystem signifikant gesteigert wird.1. Process for improving efficiency according to the claims Chen 1-5 of the main application, the usable exhaust gas energy recovery potential by producing negative pressure in the exhaust duct behind the last exhaust turbine stage using Venturi vacuum pipe system is significantly increased. 2. Verfahren zur Wirkungsgradverbesserung nach Anspruch 1, wobei das nutzbare Abgasenergierückgewinnungspotential mittels Unterdruckgebläse, angetrieben durch eine Abgas­ turbine oder einen Elektromotor oder eine andere Antriebs­ art, signifikant gesteigert wird.2. A method for improving efficiency according to claim 1, the usable exhaust gas energy recovery potential by means of a vacuum blower, driven by an exhaust gas turbine or an electric motor or other drive art, is significantly increased. 3. Verfahren zur Wirkungsgradverbesserung nach Anspruch 1, wobei das nutzbare Abgasenergierückgewinnungspotential mittels einer Kombination von Venturiunterdruckrohrsystem und Unterdruckgebläse signifikant gesteigert wird.3. A method for improving efficiency according to claim 1, the usable exhaust gas energy recovery potential using a combination of venturi vacuum pipe system and vacuum blower is significantly increased. 4. Verfahren zur Wirkungsgradverbesserung nach den Ansprü­ chen 7-9 der Hauptanmeldung, wobei die Energieübertragung vom Generaror-Aus­ gang zum Pufferbatterie-Eingang bzw. zum Elektroantrieb über ein spezifisches Netzwerk erfolgt, das auf das Be­ triebsverhalten von Abgasturbogenerator und Pufferbatterie speziell zugeschnitten ist, das den regelungstechnischen Aufwand des Generatorbetriebs reduziert bzw. beim Genera­ tor mit permanent magnetisiertem Läufer ganz überflüssig macht und das eine technisch einfache Struktur aufweist.4. Process for improving efficiency according to the claims Chen 7-9 of the main application, whereby the energy transfer from the generator off to the backup battery input or to the electric drive over a specific network that is based on the Be drive behavior of exhaust gas turbine generator and backup battery is specially tailored to the control engineering Reduced effort for generator operation or for genera Gate with permanently magnetized rotor is completely unnecessary makes and that has a technically simple structure.
DE19728152A 1996-01-05 1997-07-03 Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor Ceased DE19728152A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19728152A DE19728152A1 (en) 1996-01-05 1997-07-03 Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor
PCT/EP1998/004060 WO1999001649A1 (en) 1997-07-03 1998-07-01 Method for improving the overall efficiency of a hybrid drive
AU88543/98A AU8854398A (en) 1997-07-03 1998-07-01 Method for improving the overall efficiency of a hybrid drive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19600252A DE19600252A1 (en) 1996-01-05 1996-01-05 Improvement of overall efficiency of hybrid drive for automobile
DE19728152A DE19728152A1 (en) 1996-01-05 1997-07-03 Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor

Publications (1)

Publication Number Publication Date
DE19728152A1 true DE19728152A1 (en) 1999-02-25

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ID=26021897

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19728152A Ceased DE19728152A1 (en) 1996-01-05 1997-07-03 Procedure for increasing overall efficiency of hybrid drive with at least one IC engine and at least one electric motor

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Country Link
DE (1) DE19728152A1 (en)

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