DE102006031089A1 - Motor vehicle`s drive device for driving axle, has overriding drive connected and formed in hybrid drive in shiftable manner, with which same power flow is transferred to wheels by drive machine and switched into drive moment distribution - Google Patents
Motor vehicle`s drive device for driving axle, has overriding drive connected and formed in hybrid drive in shiftable manner, with which same power flow is transferred to wheels by drive machine and switched into drive moment distribution Download PDFInfo
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- DE102006031089A1 DE102006031089A1 DE102006031089A DE102006031089A DE102006031089A1 DE 102006031089 A1 DE102006031089 A1 DE 102006031089A1 DE 102006031089 A DE102006031089 A DE 102006031089A DE 102006031089 A DE102006031089 A DE 102006031089A DE 102006031089 A1 DE102006031089 A1 DE 102006031089A1
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential 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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential 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
-
- 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
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- 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
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
-
- 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
- B60W10/12—Conjoint control of vehicle sub-units of different type or different function including control of differentials
- B60W10/16—Axle differentials, e.g. for dividing torque between left and right wheels
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- 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
- F16H48/00—Differential gearings
- F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
-
- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- 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
- F16H48/00—Differential gearings
- F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
- F16H2048/364—Differential gearings characterised by intentionally generating speed difference between outputs using electric or hydraulic motors
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- 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)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
Die Erfindung betrifft eine Antriebsvorrichtung für Kraftfahrzeuge gemäß dem Oberbegriff des Patentanspruches 1.The The invention relates to a drive device for motor vehicles according to the preamble of claim 1.
Eine
derartige Antriebsvorrichtung beschreibt die
Aufgabe der Erfindung ist es, eine gattungsgemäße Antriebsvorrichtung vorzuschlagen, mittels der bei vermindertem Bauaufwand ebenfalls eine Antriebsmomentenverteilung und ein Hybridantrieb steuerbar sind.task The invention is to propose a generic drive device, by means of the reduced construction cost also a drive torque distribution and a hybrid drive are controllable.
Diese Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind den weiteren Patentansprüchen entnehmbar.These Task is according to the invention with the characterizing features of claim 1. advantageous Further developments of the invention can be taken from the further claims.
Erfindungsgemäß wird vorgeschlagen, dass das Überlagerungsgetriebe auf Hybridantrieb umschaltbar ausgebildet ist, bei dem ein gleicher Leistungsfluss über die Antriebsmaschine auf beide Räder des Kraftfahrzeuges übertragbar ist. Durch entsprechende Auslegung der zumindest einen Antriebsmaschine – einem Hydraulikmotor oder bevorzugt einem Elektromotor – mit einer für den Hybridantrieb geeigneten Leistung kann dieser beide Funktionen erfüllen, wobei lediglich Maßnahmen zum entsprechenden Umschalten des Überlagerungsgetriebes vorzusehen sind. Dabei wurde erkannt, dass eine Anwendung des Hybridantriebes (ausschließlich elektromotorischer Betrieb/Boostfunktion) in einem anderen Geschwindigkeitsbereich des Kraftfahrzeuges als die Funktion der Antriebsmomentenverteilung relevant und deshalb in baulich und gewichtsgünstiger Weise über zumindest eine einheitliche Antriebsmaschine bedienbar ist.According to the invention, it is proposed that the superposition gearbox Is designed switchable to hybrid drive, in which a same Power flow over the prime mover on both wheels of the motor vehicle transferable is. By appropriate design of at least one prime mover - a Hydraulic motor or preferably an electric motor - with a for the Hybrid drive suitable power, this can fulfill both functions, taking only measures to provide appropriate switching of the superposition gear are. It was recognized that an application of the hybrid drive (exclusively electromotive Operation / boost function) in a different speed range of the motor vehicle as the function of the drive torque distribution relevant and therefore structurally and weight-saving way over at least a uniform drive machine is operable.
Insbesondere kann das Überlagerungsgetriebe im unteren Geschwindigkeitsbereich des Kraftfahrzeuges auf Hybridantrieb und im darüber liegenden Geschwindigkeitsbereich auf Antriebsmomentenverteilung geschaltet sein. Dies ermöglicht im unteren Geschwindigkeitsbereich ein Anfahren und Fahren des Kraftfahrzeuges nur mit elektromotorischen Betrieb und des weiteren eine Boostfunktion mit Unterstützung der Brennkraftmaschine bei der Beschleunigung des Kraftfahrzeuges. Die Boostfunktion kann z.B. abhängig von der Drehzahl der Brennkraftmaschine oder von deren Drehmomentverlauf gesteuert sein.Especially can the superposition gearbox in the lower speed range of the motor vehicle on hybrid drive and in the above lying speed range on drive torque distribution be switched. this makes possible in the lower speed range, starting and driving of the motor vehicle only with electromotive operation and further with a boost function support the internal combustion engine in the acceleration of the motor vehicle. The boost function may e.g. dependent controlled by the speed of the internal combustion engine or by its torque curve be.
Bevorzugt ist das Überlagerungsgetriebe bis zu einer Geschwindigkeit des Kraftfahrzeuges zwischen 30 bis 70 km/h auf Hybridantrieb und darüber auf Antriebsmomentenverteilung geschaltet.Prefers is the superposition gearbox up to a speed of the motor vehicle between 30 to 70 km / h on hybrid drive and above on drive torque distribution connected.
Das Überlagerungsgetriebe kann in vorteilhafter Weise durch ein erstes und ein zweites Planetenradgetriebe gebildet sein, wobei die Planetenradgetriebe und die Antriebsmaschine koaxial zu einer der Antriebswellen eines Rades des Kraftfahrzeuges ausgeführt sind.The superposition gearbox can advantageously by a first and a second planetary gear be formed, wherein the planetary gear and the prime mover are made coaxial with one of the drive shafts of a wheel of the motor vehicle.
Besonders
vorteilhaft können
die Übersetzungsverhältnisse
der beiden Planetenradgetriebe so ausgelegt sein, dass bei geschalteter
Antriebsmomentenverteilung und deaktivierter Antriebsmaschine die
Antriebsmaschine bei gleicher Drehzahl der Räder
Die Umschaltung des Überlagerungsgetriebes kann z.B. über Lamellenkupplungen hydraulisch gesteuert sein, bevorzugt wird jedoch vorgeschlagen, dies mittels zumindest einer formschlüssigen Kupplung zu bewerkstellen, die mit Schaltzahnrädern der beiden Planetengetriebe zusammenwirkt. Die Kupplung kann eine bekannte Synchronkupplung sein, die zugleich die Drehzahlsynchronisierung zwischen den beiden Planetenradgetrieben des Überlagerungsgetriebes bewirkt. Die Drehzahlsynchronisierung bei Verwendung einer formschlüssigen Kupplung (Klauenkupplung) kann aber auch durch entsprechende Ansteuerung der Antriebsmaschine ausgeführt sein.The Switchover of the superposition gearbox can e.g. above Multi-plate clutches be hydraulically controlled, but is preferred proposed, this by means of at least one positive coupling to accomplish that with shift gears of the two planetary gears interacts. The clutch may be a known synchronizer clutch, at the same time the speed synchronization between the two planetary gears of the superposition gearbox causes. The speed synchronization when using a positive coupling (Claw clutch) but also by appropriate control executed the prime mover be.
Konstruktiv besonders vorteilhaft kann das eine Abtriebselement des Achsdifferenziales über eine Hohlwelle auf der einen Antriebswelle mit dem Sonnenrad des ersten Planetengetriebes und dieses über einen feststehenden Planetenradträger mit axial benachbarten Planetenrädern mit einem zweiten Sonnenrad trieblich verbunden sein, ferner kann das zweite Sonnenrad über eine weitere Hohlwelle mit dem Außenrad des zweiten Planetengetriebes verbunden sein, dessen Planetenradträger fest mit der besagten Antriebswelle gekoppelt ist, wobei die Antriebsmaschine ebenfalls auf der Antriebswelle angeordnet ist und mittels eines Sonnenrades die Planetenräder des zweiten Planetenradgetriebes antreibt.Particularly advantageous in terms of design, the one output element of the axle differential can be connected via a hollow shaft on the one drive shaft to the sun gear of the first planetary gear and this via a fixed planet carrier with axially adjacent planetary gears with a second sun gear, further, the second sun gear via a further hollow shaft with be connected to the outer gear of the second planetary gear, the planet carrier is fixedly coupled to said drive shaft, wherein the prime mover is also on the drive shaft is arranged and drives the planet gears of the second planetary gear by means of a sun gear.
Dabei kann zur Erzielung eines hohen Übersetzungsverhältnisses bzw. eines hohen Antriebsmomentes über die Antriebsmaschine auf die Antriebswellen der Räder des Kraftfahrzeuges das zweite Planetenradgetriebe ein Stufenplanetengetriebe sein, dessen jeweils axial benachbarte Planetenräder einerseits mit dem Außenrad und andererseits mit dem von der Antriebsmaschine angetriebenen Sonnenrad kämmen.there can to achieve a high gear ratio or a high drive torque on the prime mover the drive shafts of the wheels of the motor vehicle, the second planetary gear be a stepped planetary gear, whose respective axially adjacent planet gears on the one hand with the outer wheel and on the other hand, with the driven by the engine sun gear comb.
Des weiteren kann in baulich vorteilhafter Weise die Kupplung zwischen dem ersten und dem zweiten Planetenradgetriebe angeordnet sein.Of further, the coupling between structurally advantageous manner be arranged the first and the second planetary gear.
Das Achsdifferenzial kann in vorteilhafter Weise ein Planetenraddifferenzial sein, dessen Außenrad angetrieben ist, dessen Planetenradträger als das eine Abtriebselement mit dem einen Sonnenrad des ersten Planetenradgetriebes des Überlagerungsgetriebes verbunden ist, wobei bei einer Schaltstellung der Kupplung auf Antriebsmomentenverteilung das zweite Sonnenrad des ersten Planetenradgetriebes direkt mit dem Außenrad des zweiten Planetenradgetriebes und bei einer Schaltstellung auf Hybridantrieb über Umkehr-Planetenräder mit dem Außenrad trieblich verbunden ist. Durch diese Maßnahme kann das erste Planetengetriebe von einem Plusgetriebe (z.B. i0 > +1) in ein Minusgetriebe (z.B. i0 < –1) umgeschaltet werden. Das unverändert gebliebene zweite Planetenradgetriebe des Überlagerungsgetriebe wandelt in beiden Funktionsbereichen das kleinere Drehmoment der Antriebsmaschine zu hohen Drehmomenten, die zum Antrieb des Kraftfahrzeuges geeignet sind.The axle differential may advantageously be a Planetenraddifferenzial whose outer wheel is driven, the planet carrier is connected as the one output element with the one sun gear of the first planetary gear of the superposition gear, wherein at a switching position of the clutch to drive torque distribution, the second sun gear of the first planetary gear directly to the Outer wheel of the second planetary gear and is drivingly connected at a switching position on hybrid drive via reversing planetary gears with the outer wheel. By this measure, the first planetary gear can be switched from a plus gear (eg i 0 > +1) in a negative gear (eg i 0 <-1). The unchanged second planetary gear of the superposition gear converts in both functional areas, the smaller torque of the prime mover to high torques, which are suitable for driving the motor vehicle.
Alternativ kann das Achsdifferenzial jedoch auch ein baulich einfaches Kegelraddifferenzial sein, dessen Ausgleichsgehäuse in bekannter Weise angetrieben ist und das ferner mit dem Sonnenrad des ersten Planetenradgetriebes trieblich verbunden ist, wobei dessen eines Achskegelrad als das eine Ab triebselement mit der einen Antriebswelle fest verbunden ist und in der Schaltstellung Antriebsmomentenverteilung die Antriebswelle mit dem Planetenradträger des zweiten Planetenradgetriebes des Überlagerungsgetriebes verbunden ist, während in der Schaltstellung Hybridantrieb der Planetenradträger des zweiten Planetenradgetriebes unverdrehbar blockiert ist.alternative However, the axle differential can also be a structurally simple bevel gear differential be, whose differential housing is driven in a known manner and that further with the sun gear the first planetary gear is drivingly connected, wherein the a Achskegelrad than the one drive element from the one drive shaft is firmly connected and in the switching position drive torque distribution the drive shaft with the planet carrier of the second planetary gear of the superposition gearbox is connected while in the switching position hybrid drive of the planet carrier of the second planetary gear is locked non-rotatably.
Zur Erzielung eines Allradantriebes bei einem Kraftfahrzeug mit einer von der Primärmaschine angetriebenen ersten Achse (Vorderachse oder Hinterachse) kann in vorteilhafter Weise die zweite Achse mit dem Überlagerungsgetriebe und der zweiten Antriebsmaschine ausgerüstet sein, wobei zusätzlich die Differenzialfunktion unmittelbar über das Überlagerungsgetriebe erfolgen kann.to Achieving an all-wheel drive in a motor vehicle with a powered by the primary engine first axle (front or rear axle) can be in an advantageous Make the second axle with the superposition gearbox and the second drive machine to be equipped, in addition to the Differential function directly via the superposition gearbox can.
Mehrere Ausführungsbeispiele der Erfindung sind im folgenden mit weiteren Einzelheiten näher erläutert. Die schematische Zeichnung zeigt in:Several embodiments The invention are explained in more detail below with further details. The schematic drawing shows in:
In
der
Der
primäre
Antrieb der Hinterachse
Das
Antriebsritzel
Das
linke, angetriebene Hinterrad
Ferner
ist das rechte, angetriebene Hinterrad
Das
koaxial zur Antriebswelle
Das
erste Planetenradgetriebe
Das
Sonnenrad
Des
weiteren sind die Planetenräder
Die
Schaltmuffe
Der
Planetenradsatz
Der
nicht näher
dargestellte Elektromotor
Hingegen
ist das Übersetzungsverhältnis i0 des ersten Planetengetriebes
In
der gezeichneten Stellung der Synchronkupplung
Bei
einer Geschwindigkeit des Kraftfahrzeuges von zwischen 30 bis 70
km/h, bevorzugt ca. 50 km/h, wird die Synchronkupplung
Im
Fahrbetrieb mit Antriebsmomentenverteilung steht wie bereits ausgeführt der
Rotor
Mit
Aktivierung des Elektromotors
Durch
Ansteuerung des Elektromotors
Die
Gemäß
Das
eine Achskegelrad
Das
Ausgleichsgehäuse
Ferner
ist das zweite Sonnenrad
Die
Schaltmuffe
In
der Schaltstellung Hybridantrieb ist über das gehäusefeste Schaltzahnrad
In
der Schaltstellung Antriebsmomentenverteilung ist die Antriebswelle
Die
Die
Hinterachse
Das Überlagerungsgetriebe
Im
Unterschied zur
Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt. Die Antriebsvorrichtung kann auch an einer Vorderachse des Kraftfahrzeuges vorgesehen sein.The Invention is not limited to the described embodiments. The Drive device may also be on a front axle of the motor vehicle be provided.
Es
versteht sich, dass das Überlagerungsgetriebe
Anstelle
der Synchronkupplung
Des
weiteren können
anstelle des ersten Planetengetriebes
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006031089A DE102006031089A1 (en) | 2006-07-05 | 2006-07-05 | Motor vehicle`s drive device for driving axle, has overriding drive connected and formed in hybrid drive in shiftable manner, with which same power flow is transferred to wheels by drive machine and switched into drive moment distribution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006031089A DE102006031089A1 (en) | 2006-07-05 | 2006-07-05 | Motor vehicle`s drive device for driving axle, has overriding drive connected and formed in hybrid drive in shiftable manner, with which same power flow is transferred to wheels by drive machine and switched into drive moment distribution |
Publications (1)
Publication Number | Publication Date |
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DE102006031089A1 true DE102006031089A1 (en) | 2008-01-17 |
Family
ID=38825074
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---|---|---|---|
DE102006031089A Withdrawn DE102006031089A1 (en) | 2006-07-05 | 2006-07-05 | Motor vehicle`s drive device for driving axle, has overriding drive connected and formed in hybrid drive in shiftable manner, with which same power flow is transferred to wheels by drive machine and switched into drive moment distribution |
Country Status (1)
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DE (1) | DE102006031089A1 (en) |
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DE102018108547B3 (en) | 2018-04-11 | 2019-06-06 | Schaeffler Technologies AG & Co. KG | Drive arrangement for a motor vehicle |
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DE102014103485B4 (en) * | 2013-03-15 | 2021-06-02 | E-Aam Driveline Systems Ab | AXLE ARRANGEMENT WITH TORQUE DISTRIBUTION DRIVE MECHANISM |
DE102012204283B4 (en) | 2012-03-19 | 2021-07-29 | Schaeffler Technologies AG & Co. KG | Drive device with a transmission device which has a transfer case and a torque vectoring unit |
DE102020201890A1 (en) | 2020-02-14 | 2021-08-19 | Zf Friedrichshafen Ag | Arrangement for driving a vehicle axle |
DE102022103837B3 (en) | 2022-02-17 | 2023-02-02 | Audi Aktiengesellschaft | Driving device for a vehicle axle |
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