DE10152476A1 - Electrodynamic drive system - Google Patents

Electrodynamic drive system

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Publication number
DE10152476A1
DE10152476A1 DE10152476A DE10152476A DE10152476A1 DE 10152476 A1 DE10152476 A1 DE 10152476A1 DE 10152476 A DE10152476 A DE 10152476A DE 10152476 A DE10152476 A DE 10152476A DE 10152476 A1 DE10152476 A1 DE 10152476A1
Authority
DE
Germany
Prior art keywords
planetary gear
drive system
vehicle
flywheel
elements
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Withdrawn
Application number
DE10152476A
Other languages
German (de)
Inventor
Michael Roske
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to DE10152476A priority Critical patent/DE10152476A1/en
Priority to PCT/EP2002/011717 priority patent/WO2003035420A1/en
Publication of DE10152476A1 publication Critical patent/DE10152476A1/en
Withdrawn legal-status Critical Current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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B60K6/36—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 transmission gearings
    • B60K6/365—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 transmission gearings with the gears having orbital motion
    • 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
    • B60K6/42—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 the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
    • F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F16H3/725—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines with means to change ratio in the mechanical gearing
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Retarders (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to an electrodynamic drive system (2) for a vehicle. Said drive system comprises a manual gearbox (6) and a planetary gear (14) comprising three elements: a sun wheel (26), an internal-geared wheel (12) and a planet carrier (18). A first element thereof is connected to an input shaft (28) of the manual gearbox (6), a second element is connected to an output shaft (8) of a drive machine (4) of the vehicle by means of a flywheel (40), and a third element is connected to a rotor (22) of an electric motor (24). A shifting device (20) has a first shift position wherein two elements of the planetary gear (14) are interconnected in a rotationally fixed manner in order to bridge said planetary gear (14). Said shifting device (20) also has a second shift position wherein the connection between the two elements of the planetary gear (14) is interrupted. The output shaft (8) of the drive machine (4) and the flywheel (40) form a primary unit (42) of a torsional vibration damper comprising two units (42, 44) which can be counter-rotated in relation to each other. The secondary unit (44) consists of the bridged planetary gear (14), the manual gearbox (20) in the first shift position, and the rotor (22) of the electric motor (24). A vibration damper (10) is provided between the two units (42, 44).

Description

Die Erfindung betrifft ein elektrodynamisches Antriebssystem nach dem Oberbegriff des Anspruchs 1. The invention relates to an electrodynamic Drive system according to the preamble of claim 1.

Aufgrund der diskontinuierlichen Arbeitsweise treten bei Verbrennungsmotoren eine Vielzahl unterschiedlicher Schwingungserscheinungen auf. Besonders bemerkbar machen sich die durch Drehmomentschwankungen des Verbrennungsmotors verursachten Drehschwingungen im Antriebsstrang eines Kraftfahrzeugs. Diese pflanzen sich über die übrigen Fahrzeugkomponenten fort und führen zu einem für die Fahrzeuginsassen störenden Geräusch- und Vibrationspegel. Bedeutsam sind auch die durch Massenkräfte des Verbrennungsmotors hervorgerufenen Linerschwingungen des ganzen Motorblocks, die sich ebenfalls über den Antriebsstrang ausbreiten können. Because of the discontinuous way of working a large number of different combustion engines Vibration phenomena. Make it particularly noticeable which are caused by fluctuations in torque of the Internal combustion engine causes torsional vibrations in the drive train of a Motor vehicle. These plant themselves over the rest Vehicle components continue and lead to one for the Noise and vibration levels disturbing vehicle occupants. significant are also those caused by inertial forces of the internal combustion engine caused liner vibrations of the entire engine block, which also spread over the drive train can.

Im konventionellen Antriebsstrang wird das zwischen Antriebsmotor und Getriebe angeordnete und mit der Reibungskupplung zusammenwirkende Schwungrad häufig als Zweimassenschwungrad ausgebildet, wodurch die Drehzahlen des Antriebsmotors im Leerlauf und bei Fahrbetrieb abgesenkt werden können. Daraus resultiert eine Einsparung an Betriebskosten als Folge eines reduzierten Kraftstoffverbrauchs und ein Komfortgewinn durch geringere Geräuschbelastung, die sich als Getrieberasseln im Leerlauf und Brummgeräusche im Fahrbetrieb darstellen. Die Aufteilung der Primär- und Sekundärmasse des Zweimassenschwungrades ist entsprechend der schwingungstechnischen Abstimmung und Auslegung des Antriebsstranges in Grenzen frei wählbar. Ein Torsionsdämpfer befindet sich zwischen Primär- und Sekundärmasse. Die Reibungskupplung ist nachgeschaltet. In the conventional powertrain, that becomes between Drive motor and gearbox arranged and with the Flywheel often interacting as a friction clutch Dual mass flywheel formed, which speeds the Drive motor lowered when idling and when driving can be. This results in savings Operating costs as a result of a reduced Fuel consumption and a gain in comfort through lower Noise pollution, which can be identified as gear rattling at idle and Show humming noises while driving. The breakdown the primary and secondary mass of the dual mass flywheel is according to the vibration engineering and Drivetrain design freely selectable within limits. On Torsional damper is located between the primary and Secondary mass. The friction clutch is connected downstream.

Zur Minderung der genannten Drehschwingungen schlägt die WO 98/05882 vor, im Antriebsstrang eines Kraftfahrzeuges zwischen dessen Verbrennungsmotor und dessen Getriebe einen Drehschwingungsdämpfer anzuordnen, der ein vom Verbrennungsmotor angetriebenes Eingangsteil und ein mit einer Eingangswelle des Getriebes verbundenes Ausgangsteil aufweist, welches über eine Federung drehelastisch mit dem Eingangsteil verbunden ist. Der Drehschwingungsdämpfer ist in den Rotor der elektrischen Maschine integriert. Der prinzipielle Nachteil dieser Anordnung besteht darin, dass die Primärmassen auf der Verbrennungsmotorseite relativ zur Sekundärmassen auf der Getriebeseite sehr groß ist. Dadurch ist es bis zu einem gewissen Grad durch Abstimmung und Auslegung des Torsionsdämpfers möglich, Rasselgeräusche des Getriebes im Leerlauf und Brummgeräusche des Antriebstranges im Fahrbetrieb zu vermeiden. Konsequenz daraus ist eine minimale Motordrehzahl, die im Leerlauf aber auch im Fahrbetrieb nicht unterschritten werden kann. Der Einsatz eines herkömmlichen Zweimassenschwungrades ist teuer und kann problematisch sein, da man bei der Festlegung der Schwungmasse am Verbrennungsmotor durch die Massenträgheit des Rotors der elektrischen Maschine begrenzt ist. Eine Aufteilung der Drehmassen auf eine Primär- und eine Sekundärmasse kann nur begrenzt erfolgen. Die minimale Primärmasse wird bestimmt durch Massenträgheit des Kurbeltriebs des Verbrennungsmotors und durch das minimal mögliche Massenträgheitsmoment der elektrischen Maschine, das durch die Momentanforderung und die Bauabmessungen, insbesondere die kurze Baulänge der elektrischen Maschine bestimmt ist. To reduce the torsional vibrations mentioned WO 98/05882 before, in the drive train Motor vehicle between its internal combustion engine and its transmission to arrange a torsional vibration damper, one of the Internal combustion engine driven input part and with an output shaft connected to an input shaft of the transmission has, which is torsionally elastic with the Input part is connected. The torsional vibration damper is integrated in the rotor of the electrical machine. The basic disadvantage of this arrangement is that that the primary masses on the internal combustion engine side is very large relative to the secondary masses on the transmission side. This makes it to a certain extent through voting and design of the torsion damper possible, rattling noises of the transmission at idle and hum of the Avoid drive train while driving. Consequence of this is a minimal engine speed, which is also at idle Driving operations can not be undercut. The stake a conventional dual mass flywheel is expensive and can be problematic because when setting the Flywheel mass on the internal combustion engine due to inertia of the rotor of the electrical machine is limited. A Distribution of the rotating masses on a primary and a Secondary mass can only be made to a limited extent. The minimal Primary mass is determined by the inertia of the crank mechanism of the internal combustion engine and the minimum possible Mass moment of inertia of the electrical machine by the Momentary requirement and the construction dimensions, in particular the short overall length of the electrical machine is determined.

Aus der DE 199 34 696 A1 ist ein elektrodynamisches Antriebssystem für ein Fahrzeug bekannt, das zwischen einer Antriebsmaschine und einem Schaltgetriebe ein Planetengetriebe aufweist, das die drei Elemente Sonnenrad, Hohlrad und Planetenträger umfasst. Der Planetenträger als erstes Element ist mit dem Schaltgetriebe verbunden, das Hohlrad als zweites Element ist mit der Antriebsmaschine verbunden und das Sonnenrad als drittes Element ist mit wenigstens einem Elektromotor verbunden. Mit dieser Anordnung lässt sich die Antriebsmaschine starten, elektrische Energie erzeugen, elektrisch bremsen und das Fahrzeug auch aus dem Stand anfahren. DE 199 34 696 A1 describes an electrodynamic one Drive system for a vehicle known between a Drive machine and a manual transmission Planetary gear has the three elements sun gear, ring gear and planet carrier includes. The planet carrier first Element is connected to the manual transmission, the ring gear as the second element is connected to the prime mover and the sun gear as a third element is at least connected to an electric motor. With this arrangement lets the engine start up, electrical energy generate, brake electrically and the vehicle from the Approach the stand.

Der Erfindung liegt die Aufgabe zugrunde, ein elektrodynamisches Antriebssystem in Verbrauch, Komfort und Emissionsverhalten zu verbessern. The invention is based on the object Electrodynamic drive system in consumption, comfort and Improve emissions behavior.

Die Aufgabe wird gelöst durch ein elektrodynamisches Antriebssystem mit den Merkmalen des Anspruchs 1. Ausgestaltungen sind Gegenstand von Unteransprüchen. The task is solved by an electrodynamic Drive system with the features of claim 1. Refinements are the subject of subclaims.

Ein elektrodynamisches Antriebssystem für ein Fahrzeug weist ein Schaltgetriebe und ein Planetengetriebe auf, das die drei Elemente Sonnenrad, Hohlrad und Planetenträger umfasst. Davon ist ein erstes Element mit einer Eingangswelle des Schaltgetriebes verbunden, ein zweites Element über ein Schwungrad mit einer Abtriebswelle einer Antriebsmaschine des Fahrzeugs verbunden und ein drittes Element mit einem Rotor eines Elektromotors verbunden. Eine Schalteinrichtung weist eine erste Schaltstellung auf, in der eine drehfeste Verbindung zwischen zwei Elementen des Planetengetriebes zur Überbrückung des Planetengetriebes besteht. Die Schalteinrichtung weist eine zweite Schaltstellung auf, in der die Verbindung zwischen den beiden Elementen des Planetengetriebes unterbrochen ist. Eine Steuerung zum Betrieb des Antriebsystems ist vorhanden. Zur Bildung einer Drehschwingungsdämpfungseinrichtung im Antriebsstrang des Fahrzeugs, das zwei gegeneinander verdrehbar angeordnete Massen umfasst, wie dies auch in ähnlicher Weise bei einem Zweimassenschwungrad der Fall ist, werden die Drehmasse der Abtriebswelle der Antriebsmaschine und die Drehmasse des Schwungrades zu einer Primärmasse als einer der beiden gegeneinander verdrehbaren Massen zusammengefasst. Der Leerlaufanteil des Fahrbetriebs ist unbedeutend, da ein entsprechendes System im Stillstand den Verbrennungsmotor abschaltet. Im bedeutenden und überwiegenden Fahranteil ist die zum Anfahren des Fahrzeugs erforderliche Schaltkupplung in der ersten Schaltstellung, in der das Planetengetriebe überbrückt ist. In dieser Schaltstellung wird die zweite der beiden Massen als Sekundärmasse aus dem überbrückten Planetengetriebe, der sich in der ersten Schaltstellung befindlichen Schalteinrichtung und dem Rotor des Elektromotors gebildet. Zwischen den beiden gegeneinander verdrehbaren Massen ist eine Dämpfungseinrichtung vorgesehen, die in einer bevorzugten Ausgestaltung aus mehreren, auf einem Umfang verteilten Torsionsdämpfern besteht. Die Torsionsdämpfer können ein- oder mehrstufig sein. In einer besonders vorteilhaften Ausbildung ist die Massenträgheit der beiden gegeneinander verdrehbaren Massen und die schwingungstechnische Auslegung von Steifigkeit und Dämpfung der Dämpfungseinrichtung zwischen den beiden Massen angepasst an die Drehungleichförmigkeiten der Antriebsmaschine des Fahrzeugs. Hierdurch können die Vorteile eines Zweimassenschwungrades ohne Hinzunahme von Bauteilen erzielt werden. An electrodynamic drive system for a vehicle has a manual transmission and a planetary gear, the the three elements sun gear, ring gear and Planet carrier includes. There is a first element with one Input shaft of the gearbox connected, a second Element via a flywheel with an output shaft Drive unit of the vehicle connected and a third Element connected to a rotor of an electric motor. A Switching device has a first switching position, in which is a non-rotatable connection between two elements of the Planetary gear for bridging the planetary gear consists. The switching device has a second one Switch position in which the connection between the two Elements of the planetary gear is interrupted. A Control for operating the drive system is available. to Formation of a torsional vibration damping device in Powertrain of the vehicle that two against each other rotatably arranged masses, as in similar Way with a dual mass flywheel the rotating mass of the output shaft of the drive machine and the rotating mass of the flywheel as a primary mass one of the two rotatable masses summarized. The idle portion of driving is insignificant, since a corresponding system at standstill Shuts down internal combustion engine. Im significant and the predominant share of driving is that for starting the vehicle required clutch in the first switching position, in which bridges the planetary gear. In this Switch position is considered the second of the two masses Secondary mass from the bridged planetary gear, which is in the first switching position and switching device the rotor of the electric motor. Between the two masses that can be rotated against each other is one Damping device provided in a preferred embodiment from several torsion dampers distributed over one circumference consists. The torsion dampers can be single or multi-stage his. In a particularly advantageous training Mass inertia of the two masses that can be rotated relative to one another and the vibration engineering design of stiffness and Damping the damping device between the two Masses adapted to the rotational irregularities of the Driving machine of the vehicle. This can take advantage of a Dual mass flywheel without adding components be achieved.

Die Erfindung wird anhand einer Zeichnung näher erläutert. The invention is illustrated by a drawing explained.

Die Figur zeigt in einer schematischen Darstellung ein elektrodynamisches Antriebssystem 2, das zwischen einer Antriebsmaschine 4 und einem Schaltgetriebe 6 angeordnet ist. Von der Abtriebswelle 8 der Antriebsmaschine 4 wird über ein Schwungrad 40, eine Dämpfungseinrichtung 10 und eine Hohlradwelle 38 das Hohlrad 12 eines Planetengetriebes 14 angetrieben. Mit dem Hohlrad 12 kämmen Planetenräder 16, die auf einem Planetenträger 18 drehbar angeordnet sind. Der Planetenträger 18 ist mit einer Reibungskupplung als einer Schalteinrichtung 20 verbunden, über die der Rotor 22 eines Elektromotors 24 drehfest mit dem Planetenträger 18 verbunden werden kann. Mit dem Rotor 22 ist auch das Sonnenrad 26 des Planetengetriebes 14 drehfest verbunden. Der Planetenträger 18 ist drehfest mit der Eingangswelle 28 des Schaltgetriebes 6 verbunden, deren Verzahnung mit einer Verzahnung an der Vorgelegewelle 30 im Schaltgetriebe 6 kämmt. Andere Verzahnungen der Vorgelegewelle 30 kämmen mit Verzahnungen einer Abtriebswelle 36. Die Eingangswelle 28 weist einen Freilauf 32 auf, der die Eingangswelle 28 gegen ein Rückwärtsdrehen abstützt, wenn im Fahrzeugstillstand die Antriebsmaschine 4 gestartet wird. Die Abtriebswelle 8 der Antriebsmaschine 4 und das Schwungrad 40 bilden zusammen die Primärmasse 42 der Drehschwingungsdämpfungseinrichtung. Der Rotor 22 des Elektromotors 24, die Schalteinrichtung 20 und das Planetengetriebe 14 bilden zusammen die Sekundärmasse 44. Zwischen der Primärmasse 42 und der Sekundärmasse 44, die gegeneinander verdrehbar sind, ist die Dämpfungseinrichtung 10 angeordnet. Bezugszeichen 2 elektrodynamisches Antriebssystem
4 Antriebsmaschine
6 Schaltgetriebe
8 Abtriebswelle
10 Dämpfungseinrichtung
12 Hohlrad
14 Planetengetriebe
16 Planetenrad
18 Planetenträger
20 Schalteinrichtung
22 Rotor
24 Elektromotor
26 Sonnenrad
28 Eingangswelle
30 Vorgelegewelle
32 Freilauf
34 Gehäuse
36 Abtriebswelle
38 Hohlradwelle
40 Schwungrad.
42 Primärmasse
44 Sekundärmasse
The figure shows a schematic representation of an electrodynamic drive system 2 , which is arranged between a drive machine 4 and a manual transmission 6 . The ring gear 12 of a planetary gear 14 is driven by the output shaft 8 of the drive machine 4 via a flywheel 40 , a damping device 10 and a ring gear shaft 38 . With the ring gear 12 mesh planet gears 16 which are rotatably arranged on a planet carrier 18 . The planet carrier 18 is connected to a friction clutch as a switching device 20 , via which the rotor 22 of an electric motor 24 can be connected to the planet carrier 18 in a rotationally fixed manner. With the rotor 22 , the sun gear 26 of the planetary gear 14 is rotatably connected. The planet carrier 18 is rotatably connected to the input shaft 28 of the transmission 6 , the teeth of which mesh with a toothing on the countershaft 30 in the transmission 6 . Other toothings of the countershaft 30 mesh with toothings of an output shaft 36 . The input shaft 28 has a freewheel 32 which supports the input shaft 28 against reverse rotation when the engine 4 is started when the vehicle is at a standstill. The output shaft 8 of the drive machine 4 and the flywheel 40 together form the primary mass 42 of the torsional vibration damping device. The rotor 22 of the electric motor 24 , the switching device 20 and the planetary gear 14 together form the secondary mass 44 . The damping device 10 is arranged between the primary mass 42 and the secondary mass 44 , which can be rotated relative to one another. Reference number 2 electrodynamic drive system
4 prime mover
6 manual transmission
8 output shaft
10 damping device
12 ring gear
14 planetary gears
16 planet gear
18 planet carriers
20 switching device
22 rotor
24 electric motor
26 sun gear
28 input shaft
30 countershaft
32 freewheel
34 housing
36 output shaft
38 ring gear shaft
40 flywheel.
42 primary mass
44 secondary mass

Claims (3)

1. Elektrodynamisches Antriebssystem (2) für ein Fahrzeug mit einem Schaltgetriebe (6) und einem Planetengetriebe (14), das die drei Elemente Sonnenrad (26), Hohlrad (12) und Planetenträger (18) umfasst, von denen ein erstes Element mit einer Eingangswelle (28) des Schaltgetriebes (6) verbunden ist, ein zweites Element über ein Schwungrad (40) mit einer Abtriebswelle (8) einer Antriebsmaschine (4) des Fahrzeugs verbunden ist und ein drittes Element mit einem Rotor (22) eines Elektromotors (24) verbunden ist, und mit einer Schalteinrichtung (20), die eine erste Schaltstellung aufweist, in der eine drehfeste Verbindung zwischen zwei Elementen des Planetengetriebes (14) zur Überbrückung des Planetengetriebes (14) besteht, und mit einer zweiten Schaltstellung, in der die Verbindung zwischen den beiden Elementen des Planetengetriebes (14) unterbrochen ist, und mit einer Steuerung, dadurch gekennzeichnet, dass die Abtriebswelle (8) der Antriebsmaschine (4) und das Schwungrad (40) eine Primärmasse (42) einer Drehschwingungsdämpfungseinrichtung bilden, die zwei gegeneinander verdrehbare Massen (42, 44) umfasst, dass eine Sekundärmasse (44) aus dem überbrückten Planetengetriebe (14), der sich in der ersten Schaltstellung befindlichen Schalteinrichtung (20) und dem Rotor (22) des Elektromotors (24) besteht und dass zwischen den beiden Massen (42, 44) eine Dämpfungseinrichtung (10) vorgesehen ist. 1. Electrodynamic drive system ( 2 ) for a vehicle with a manual transmission ( 6 ) and a planetary gear ( 14 ), which comprises the three elements sun gear ( 26 ), ring gear ( 12 ) and planet carrier ( 18 ), of which a first element with a Input shaft ( 28 ) of the manual transmission ( 6 ) is connected, a second element is connected via a flywheel ( 40 ) to an output shaft ( 8 ) of an engine ( 4 ) of the vehicle and a third element is connected to a rotor ( 22 ) of an electric motor ( 24 ) is connected, and with a switching device ( 20 ) which has a first switching position in which there is a rotationally fixed connection between two elements of the planetary gear ( 14 ) for bridging the planetary gear ( 14 ), and with a second switching position in which the connection between the two elements of the planetary gear ( 14 ) is interrupted, and with a controller, characterized in that the output shaft ( 8 ) of the drive machine ne ( 4 ) and the flywheel ( 40 ) form a primary mass ( 42 ) of a torsional vibration damping device, which comprises two rotatable masses ( 42 , 44 ) that a secondary mass ( 44 ) from the bridged planetary gear ( 14 ), which is in the first Switching device ( 20 ) and the rotor ( 22 ) of the electric motor ( 24 ) and that a damping device ( 10 ) is provided between the two masses ( 42 , 44 ). 2. Elektrodynamisches Antriebssystem (2) nach Anspruch 1, dadurch gekennzeichnet, dass die Dämpfungseinrichtung (10) mehrere auf einem Umfang verteilte Torsionsdämpfer umfasst. 2. Electrodynamic drive system ( 2 ) according to claim 1, characterized in that the damping device ( 10 ) comprises a plurality of torsion dampers distributed over a circumference. 3. Elektrodynamisches Antriebssystem (2) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Massenträgheiten der beiden Massen (42, 44) und die schwingungstechnische Auslegung von Steifigkeit und Dämpfung der Dämpfungseinrichtung (10) zwischen den beiden Massen (42, 44) angepasst ist an die Drehungleichförmigkeiten der Antriebsmaschine (4) des Fahrzeugs. 3. Electrodynamic drive system ( 2 ) according to claim 1 or 2, characterized in that the mass inertias of the two masses ( 42 , 44 ) and the vibration design of stiffness and damping of the damping device ( 10 ) between the two masses ( 42 , 44 ) are adapted is due to the rotational irregularities of the engine ( 4 ) of the vehicle.
DE10152476A 2001-10-24 2001-10-24 Electrodynamic drive system Withdrawn DE10152476A1 (en)

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