DE102016100788A1 - Device for driving a vehicle - Google Patents

Device for driving a vehicle Download PDF

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Publication number
DE102016100788A1
DE102016100788A1 DE102016100788.9A DE102016100788A DE102016100788A1 DE 102016100788 A1 DE102016100788 A1 DE 102016100788A1 DE 102016100788 A DE102016100788 A DE 102016100788A DE 102016100788 A1 DE102016100788 A1 DE 102016100788A1
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DE
Germany
Prior art keywords
electric motor
drive axle
operative connection
transmission
coupling device
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.)
Pending
Application number
DE102016100788.9A
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German (de)
Inventor
Gary Avery
Nils Sauvlet
Sebastian Wachter
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.)
Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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Publication date
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Priority to DE102016100788.9A priority Critical patent/DE102016100788A1/en
Publication of DE102016100788A1 publication Critical patent/DE102016100788A1/en
Pending legal-status Critical Current

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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
    • 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
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • 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
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
    • B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
    • 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
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
    • 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
    • B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
    • B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
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    • 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
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
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    • B60K2023/0858—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated with electric means, e.g. electro-hydraulic means
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    • 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
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    • B60K6/445—Differential gearing distribution type
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    • B60Y2400/70—Gearings
    • B60Y2400/73—Planetary gearings
    • 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

Abstract

Die Erfindung betrifft eine Vorrichtung zum Antreiben eines Fahrzeuges mit einem Verbrennungsmotor, mit einem Getriebe, mit einem ersten Elektromotor und mit einem zweiten Elektromotor, wobei der Verbrennungsmotor mit dem ersten Elektromotor und mit dem Eingang des Getriebes in Wirkverbindung steht, wobei ein Ausgang des Getriebes mit einer Kopplungsvorrichtung in Wirkverbindung steht, wobei die Kopplungsvorrichtung mit einer ersten Antriebsachse und mit einer zweiten Antriebsachse in Wirkverbindung steht, und wobei der zweite Elektromotor mit der Kopplungsvorrichtung in Wirkverbindung steht.The invention relates to a device for driving a vehicle with an internal combustion engine, with a transmission, with a first electric motor and with a second electric motor, wherein the internal combustion engine is in operative connection with the first electric motor and with the input of the transmission, wherein an output of the transmission with a coupling device is operatively connected, wherein the coupling device is in operative connection with a first drive axle and with a second drive axle, and wherein the second electric motor is in operative connection with the coupling device.

Description

Die Erfindung betrifft eine Vorrichtung zum Antreiben eines Fahrzeuges gemäß Patentanspruch 1, ein Verfahren gemäß Anspruch 10 und ein Steuergerät gemäß Anspruch 14. The invention relates to a device for driving a vehicle according to claim 1, a method according to claim 10 and a control device according to claim 14.

Aus DE 11 2009 004 352 T5 ist ein Fahrzeug mit einem Vierradantrieb bekannt, wobei eine Antriebskraftverteilung vorgesehen ist, die eine Verteilung der Antriebskraft zwischen einer Vorderradantriebsabgabewelle und einer Hinterradantriebsabgabewelle ändert, Es werden eine Antriebskraft, die durch eine zweite Antriebskraftquelle erzeugt wird, und eine Einrückkapazität einer Kupplungsvorrichtung derart geändert, dass ein Anteil einer Antriebskraft, die durch die zweite Antriebskraftquelle erzeugt wird, zu der Vorderradantriebsabgabequelle durch einen Teileingriff der Kupplungsvorrichtung übertragen wird. Des Weiteren ermöglicht die Einrichtung zur Änderung der Antriebskraftverteilung eine Verbesserung der Freiheit bei der Antriebskraftverteilung zu den Vorderrädern und zu den Hinterrädern. Out DE 11 2009 004 352 T5 is a vehicle with a four-wheel drive, wherein a driving force distribution is provided which changes a distribution of the driving force between a front-wheel drive output shaft and a rear wheel drive output shaft, a driving force generated by a second driving power source, and an engaging capacity of a clutch device is changed such that Proportion of a driving force generated by the second driving power source is transmitted to the front wheel drive output source by a partial engagement of the clutch device. Further, the means for changing the driving force distribution enables an improvement in the freedom of the driving force distribution to the front wheels and the rear wheels.

Die Aufgabe der Erfindung besteht darin, eine verbesserte Vorrichtung zum Antreiben eines Fahrzeuges mit einer Antriebskraftverteilung zwischen zwei Antriebsachsen des Fahrzeuges bereitzustellen. The object of the invention is to provide an improved device for driving a vehicle with a driving force distribution between two drive axles of the vehicle.

Die Aufgabe der Erfindung wird durch die unabhängigen Patentansprüche gelöst. The object of the invention is achieved by the independent claims.

Weitere Ausführungsformen sind in den abhängigen Ansprüchen angegeben. Further embodiments are given in the dependent claims.

Ein Vorteil der beschriebenen Vorrichtung besteht darin, dass eine erhöhte Flexibilität bei der Verteilung der Antriebskraft gegeben ist. Dazu wird eine Vorrichtung zum Antreiben eines Fahrzeuges mit einem Verbrennungsmotor, mit einem Getriebe, mit einem ersten Elektromotor und mit einem zweiten Elektromotor vorgeschlagen, wobei der Verbrennungsmotor mit dem ersten Elektromotor und mit dem Eingang des Getriebes in Wirkverbindung steht, wobei ein Ausgang des Getriebes mit einer Kopplungsvorrichtung in Wirkverbindung steht, wobei die Kopplungsvorrichtung mit einer ersten Antriebsachse und mit einer zweiten Antriebsachse in Wirkverbindung steht, und wobei der zweite Elektromotor mit der Kopplungsvorrichtung in Wirkverbindung steht. An advantage of the device described is that there is an increased flexibility in the distribution of the driving force. For this purpose, a device for driving a vehicle with an internal combustion engine, with a transmission, with a first electric motor and with a second electric motor is proposed, wherein the internal combustion engine is in operative connection with the first electric motor and with the input of the transmission, wherein an output of the transmission with a coupling device is operatively connected, wherein the coupling device is in operative connection with a first drive axle and with a second drive axle, and wherein the second electric motor is in operative connection with the coupling device.

In einer Ausführungsform ist die Kopplungsvorrichtung als Hang-on Kupplung ausgebildet. Beispielsweise kann die Hang-on Kupplung als Lamellenkupplung ausgebildet sein, die elektromechanisch betätigt wird. Auf diese Weise wird eine einfach aufgebaute Kopplungsvorrichtung bereitgestellt. In one embodiment, the coupling device is designed as a hang-on coupling. For example, the hang-on clutch can be designed as a multi-plate clutch, which is actuated electromechanically. In this way, a simply constructed coupling device is provided.

In einer Ausführungsform sind die erste Antriebsachse und der zweite Elektromotor über einen ersten Kupplungsträger der Hang-on-Kupplung direkt miteinander verbunden. Zudem ist das Getriebe mit einem zweiten Kupplungsträger verbunden. Die zwei Kupplungsträger sind abhängig von der Ansteuerung der Hang-on Kupplung miteinander in Wirkverbindung oder voneinander getrennt. In one embodiment, the first drive axle and the second electric motor are directly connected to one another via a first clutch carrier of the hang-on clutch. In addition, the transmission is connected to a second clutch carrier. The two coupling carriers are depending on the control of the hang-on clutch in operative connection or separated from each other.

In einer Ausführungsform ist die Kopplungsvorrichtung als Planetengetriebe ausgebildet ist. Dadurch kann eine erhöhte Flexibilität bei der Verteilung der Antriebskräfte erreicht werden. In one embodiment, the coupling device is designed as a planetary gear. As a result, increased flexibility in the distribution of the driving forces can be achieved.

In einer Ausführungsform steht der zweite Elektromotor mit einem Sonnenrad des Planetengetriebes in Wirkverbindung. Das Getriebe steht mit einem Planetenträger mit Planetenrädern in Wirkverbindung. Zudem steht ein Hohlrad des Planetengetriebes mit der ersten Antriebsachse in Wirkverbindung steht. In one embodiment, the second electric motor is in operative connection with a sun gear of the planetary gear. The gearbox is in operative connection with a planet carrier with planetary gears. In addition, a ring gear of the planetary gear is in operative connection with the first drive axle.

In einer Ausführungsform ist der erste Elektromotor als Startermotor für den Verbrennungsmotor ausgebildet. Auf diese Weise kann der Startermotor auch für das Bereitstellen von Antriebskraft verwendet werden. In one embodiment, the first electric motor is designed as a starter motor for the internal combustion engine. In this way, the starter motor can also be used for providing driving force.

In einer Ausführungsform steht die zweite Antriebsachse mit einer Achsbremse in Wirkverbindung. Zudem ist zwischen der zweiten Antriebsachse und den Radwellen der Räder, die von der zweiten Achse angetrieben werden können eine Kupplung vorgesehen, um beim Aktivieren der Achsbremse die Kupplung zu öffnen, um die Räder von der Radwelle abzukoppeln. Dadurch kann eine verbesserte Beeinflussung der Antriebskraft des zweiten Elektromotors erreicht werden. In one embodiment, the second drive axle is operatively connected to an axle brake. In addition, a clutch is provided between the second drive axle and the wheel shafts of the wheels that can be driven by the second axle to open the clutch when the axle brake is activated in order to decouple the wheels from the wheel shaft. Thereby, an improved influence on the driving force of the second electric motor can be achieved.

Die Erfindung wird im Folgenden anhand der Figuren näher erläutert. Es zeigen The invention will be explained in more detail below with reference to FIGS. Show it

1 eine schematische Darstellung einer ersten Ausführungsform einer Vorrichtung zum Antreiben eines Fahrzeuges, 1 a schematic representation of a first embodiment of a device for driving a vehicle,

2 eine zweite Ausführungsform einer Antriebseinheit eines Fahrzeuges, und 2 a second embodiment of a drive unit of a vehicle, and

3 eine dritte Ausführungsform einer Antriebseinheit eines Fahrzeuges. 3 a third embodiment of a drive unit of a vehicle.

1 zeigt in einer schematischen Darstellung eine Vorrichtung zum Antreiben eines Fahrzeuges 1 mit einem Verbrennungsmotor 2, mit einem Getriebe 3, mit einem ersten Elektromotor 4 und mit einem zweiten Elektromotor 5. Der Verbrennungsmotor 2 steht mit dem ersten Elektromotor 4 und mit dem Eingang 6 des Getriebes 3 in Wirkverbindung. Der erste Elektromotor 4 ist am Verbrennungsmotor 2 und am Getriebe 3 befestigt. Der Verbrennungsmotor 2 und der erste Elektromotor 4 können im Kraftfluss parallel oder seriell angeordnet sein. In dem dargestellten Ausführungsbeispiel kann eine Kurbelwelle des Verbrennungsmotors 2 mit einem Rotor oder einem Stator des ersten Elektromotors 4 verbunden sein. Entsprechend ist der Stator bzw. der Rotor des ersten Elektromotors 4 mit dem Eingang 6 des Getriebes 3 verbunden. 1 shows a schematic representation of a device for driving a vehicle 1 with an internal combustion engine 2 , with a gearbox 3 , with a first electric motor 4 and with a second electric motor 5 , The internal combustion engine 2 stands with the first electric motor 4 and with the entrance 6 of the transmission 3 in active connection. The first electric motor 4 is on the combustion engine 2 and on the gearbox 3 attached. The internal combustion engine 2 and the first electric motor 4 can be arranged parallel or serially in the power flow. In the illustrated embodiment, a crankshaft of the internal combustion engine 2 with a rotor or a stator of the first electric motor 4 be connected. Accordingly, the stator or the rotor of the first electric motor 4 with the entrance 6 of the transmission 3 connected.

Ein Ausgang 7 des Getriebes 3 steht mit einem Eingang 8 einer Kopplungsvorrichtung 9 in Verbindung. Der Eingang 8 stellt ein zweites Kupplungselement dar. Zudem steht der Ausgang 7 des Getriebes 3 mit einer zweiten Antriebsachse 10 in Verbindung. Die zweite Antriebsachse 10 steht mit einem zweiten Differenzialgetriebe 11 in Verbindung. Das zweite Differentialgetriebe 11 steht über eine dritte Radwelle 12 mit einem dritten Rad 14 in Verbindung. Zudem steht das zweite Differentialgetriebe 11 über eine vierte Radwelle 13 mit einem vierten Rad 15 in Verbindung. Das dritte und das vierte Rad 14, 15 stellen beispielsweise die Räder im Heckbereich des Fahrzeuges dar. Abhängig von der gewählten Ausführungsform kann zwischen dem zweiten Differentialgetriebe 11 und dem dritten und dem vierten Rad 14, 15 jeweils eine steuerbare Kupplung 16, 17 vorgesehen sein. Die Kupplungen 16, 17 werden von einem Steuergerät 18 gesteuert. An exit 7 of the transmission 3 stands with an entrance 8th a coupling device 9 in connection. The entrance 8th represents a second coupling element. In addition, the output is 7 of the transmission 3 with a second drive axle 10 in connection. The second drive axle 10 stands with a second differential gear 11 in connection. The second differential gear 11 is about a third wheel shaft 12 with a third wheel 14 in connection. In addition, there is the second differential gear 11 over a fourth wheel shaft 13 with a fourth wheel 15 in connection. The third and the fourth wheel 14 . 15 For example, represent the wheels in the rear of the vehicle. Depending on the selected embodiment, between the second differential gear 11 and the third and fourth wheels 14 . 15 one controllable clutch each 16 . 17 be provided. The couplings 16 . 17 be from a controller 18 controlled.

Ein Ausgang 19 der Kopplungsvorrichtung 9 steht mit einer ersten Antriebsachse 20 in Verbindung. Die erste Antriebsachse 20 ist mit einem ersten Differentialgetriebe 21 verbunden. Das erste Differentialgetriebe 21 steht über eine erste Radwelle 22 mit einem ersten Rad 23 in Verbindung. Zudem steht das erste Differentialgetriebe 21 mit einer zweiten Radwelle 24 mit einem zweiten Rad 25 in Verbindung. Das erste und das zweite Rad 23, 25 stellen beispielsweise die Fronträder des Fahrzeuges 1 dar. Eine Antriebswelle 26 des zweiten Elektromotors 5 steht mit dem Ausgang 19 der Kopplungsvorrichtung 9 in Verbindung. Der zweite Elektromotor 5 ist an einer Karosserie des Fahrzeuges 1 oder am Ausgang des Getriebes 3 befestigt. An exit 19 the coupling device 9 stands with a first drive axle 20 in connection. The first drive axle 20 is with a first differential gear 21 connected. The first differential gear 21 stands over a first wheel shaft 22 with a first wheel 23 in connection. In addition, there is the first differential gear 21 with a second wheel shaft 24 with a second wheel 25 in connection. The first and second wheels 23 . 25 For example, make the front wheels of the vehicle 1 dar. A drive shaft 26 of the second electric motor 5 stands with the exit 19 the coupling device 9 in connection. The second electric motor 5 is on a body of the vehicle 1 or at the output of the gearbox 3 attached.

Die Kopplungsvorrichtung 9 ist ausgebildet, um abhängig von einem Steuerbefehl des Steuergerätes 18 eine Wirkverbindung zwischen dem Eingang 8 und dem Ausgang 19 der Kopplungsvorrichtung 9 herzustellen. The coupling device 9 is designed to be dependent on a control command of the control unit 18 an operative connection between the input 8th and the exit 19 the coupling device 9 manufacture.

Die Kopplungsvorrichtung 9 ist beispielsweise in Form einer Hang-on-Kupplung ausgebildet, die eine Verteilung der Antriebskraft des Verbrennungsmotors 2 auf die erste Antriebsachse 20 und damit auf das erste und das zweite Rad 23, 25 ermöglicht. Der Eingang 8 der Hang-on Kupplung ist als erster Kupplungsträger ausgebildet. Ein Ausgang 19 der Hang-on Kupplung ist als zweiter Kupplungsträger ausgebildet. Beispielsweise ist die Hang-on Kupplung als elektromagnetisch betätigbare Lamellenkupplung ausgebildet, die vom Steuergerät 18 angesteuert wird. The coupling device 9 is formed for example in the form of a hang-on clutch, which is a distribution of the driving force of the internal combustion engine 2 on the first drive axle 20 and thus on the first and the second wheel 23 . 25 allows. The entrance 8th The hang-on clutch is designed as a first clutch carrier. An exit 19 the hang-on clutch is designed as a second clutch carrier. For example, the hang-on clutch is designed as an electromagnetically actuated multi-plate clutch, which is provided by the control unit 18 is controlled.

Befindet sich die Kopplungsvorrichtung 9 in einem offenen Zustand, so wird der Ausgang des Getriebes 3 und damit die Antriebskraft des Verbrennungsmotors 2 nur über die zweite Antriebsachse 10 auf das dritte und das vierte Rad 14, 15 übertragen. Zudem können das erste und das zweite Rad 23, 25 auch bei geöffneter Kopplungsvorrichtung 9 durch den zweiten Elektromotor 5 angetrieben werden, da eine Antriebswelle 26 des zweiten Elektromotors 5 über den Ausgang 19 der Kopplungsvorrichtung 9 mit der ersten Antriebsachse 20 in Wirkverbindung steht. Der Ausgang 19 stellt ein erstes Kupplungselement dar. Der erste und der zweite Elektromotor 4, 5 werden ebenfalls vom Steuergerät 18 angesteuert. Weiterhin wird die Kopplungsvorrichtung 9 vom Steuergerät 18 in eine offene Position oder eine geschlossene Position geschaltet. Das Steuergerät 18 weist Kennlinien oder Kennfelder oder Programme auf, in denen die Ansteuerung der Elektromotoren 4, 5 der Kopplungsvorrichtung 9 abhängig von Betriebsparametern des Fahrzeuges festgelegt ist. Is the coupling device 9 in an open state, so will the output of the transmission 3 and thus the driving force of the internal combustion engine 2 only over the second drive axle 10 on the third and the fourth wheel 14 . 15 transfer. In addition, the first and the second wheel 23 . 25 even with opened coupling device 9 through the second electric motor 5 be driven as a drive shaft 26 of the second electric motor 5 over the exit 19 the coupling device 9 with the first drive axle 20 is in active connection. The exit 19 represents a first coupling element. The first and the second electric motor 4 . 5 are also from the controller 18 driven. Furthermore, the coupling device 9 from the control unit 18 switched to an open position or a closed position. The control unit 18 has characteristic curves or maps or programs in which the control of the electric motors 4 . 5 the coupling device 9 is determined depending on operating parameters of the vehicle.

Mithilfe des ersten Elektromotors 4 kann auch ohne Betrieb des Verbrennungsmotors 2 die zweite Antriebsachse 10 angetrieben werden. Der erste Elektromotor 4 ist beispielsweise in Form einer Hybridscheibe mit oder ohne eine Kupplung zwischen dem ersten Elektromotor 4 und dem Verbrennungsmotor 2 ausgebildet. Using the first electric motor 4 can also without operation of the internal combustion engine 2 the second drive axle 10 are driven. The first electric motor 4 is for example in the form of a hybrid disc with or without a coupling between the first electric motor 4 and the internal combustion engine 2 educated.

Das Getriebe 3 kann abhängig von der gewählten Ausführungsform ohne Rückwärtsgang ausgebildet sein. Dadurch wird ein kompakter Aufbau erreicht. Ein Rückwärtsfahren des Fahrzeuges 1 kann durch eine entsprechende Drehrichtung des ersten und/oder des zweiten Elektromotors 4, 5 erreicht werden. The gear 3 may be formed without reverse depending on the selected embodiment. This achieves a compact construction. A reversing of the vehicle 1 can by a corresponding direction of rotation of the first and / or the second electric motor 4 . 5 be achieved.

Befindet sich die Kopplungsvorrichtung 9 im offenen Zustand, so wird keine Kraft zwischen dem Eingang 8 der Kopplungsvorrichtung und dem Ausgang 19 der Kopplungsvorrichtung übertragen. In diesem Zustand ist der zweite Elektromotor 5 von der zweiten Antriebsachse 10 abgekoppelt. Is the coupling device 9 in the open state, there will be no force between the input 8th the coupling device and the output 19 transferred to the coupling device. In this state, the second electric motor 5 from the second drive axle 10 decoupled.

Weiterhin kann abhängig von der gewählten Ausführungsform zwischen dem Verbrennungsmotor 2 und dem ersten Elektromotor 4 oder zwischen dem ersten Elektromotor 4 und dem Getriebe 3 eine Kupplung, insbesondere eine Doppelkupplung vorgesehen sein. Furthermore, depending on the chosen embodiment, between the internal combustion engine 2 and the first electric motor 4 or between the first electric motor 4 and the transmission 3 a coupling, in particular a double clutch may be provided.

Ein Vorteil dieser Ausführungsform ist insbesondere darin zu sehen, dass wenn sich sowohl die Kopplungsvorrichtung 9 als auch die steuerbare Kupplung 16 im offenen Zustand befinden, das Fahrzeug 1 elektrisch angetrieben werden kann, wobei Verbrennungsmotor 2, erster Elektromotor 4, Getriebe 3 und zweite Antriebsachse 10 stehen bzw. abgekoppelt sind. Damit ergeben sich sehr geringe Verluste. An advantage of this embodiment is to be seen in particular in that when both the coupling device 9 as well as the taxable ones clutch 16 in the open state, the vehicle 1 can be driven electrically, being internal combustion engine 2 , first electric motor 4 , Transmission 3 and second drive axle 10 stand or are disconnected. This results in very low losses.

2 zeigt eine Ausführungsform, die im Wesentlichen gemäß der Ausführungsform der 1 ausgebildet ist, wobei jedoch die Kopplungsvorrichtung in Form eines Planetengetriebes 27 ausgebildet. Das Planetengetriebe 27 weist ein Sonnenrad 28 und ein Hohlrad 30 auf. Zwischen dem Hohlrad 30 und dem Sonnenrad 28 sind Planetenräder 32 angeordnet, die mit einem Planetenträger verbunden sind. Das Sonnenrad 28 ist mit der Antriebswelle 26 des zweiten Elektromotors 5 verbunden. Der Planetenträger 29 ist mit dem Ausgang 7 des Getriebes 3 verbunden. Das Hohlrad 30 ist mit der ersten Antriebsachse 20 verbunden. Zudem ist eine Achsbremse 31 vorgesehen, die an der Karosserie befestigt ist und zum Bremsen oder Feststellen der ersten Antriebsachse 20 vorgesehen ist. Die Achsbremse 31 wird vom Steuergerät 18 abhängig von Betriebsparametern des Fahrzeuges angesteuert. 2 shows an embodiment, which substantially according to the embodiment of the 1 is formed, but wherein the coupling device in the form of a planetary gear 27 educated. The planetary gear 27 has a sun wheel 28 and a ring gear 30 on. Between the ring gear 30 and the sun wheel 28 are planet gears 32 arranged, which are connected to a planet carrier. The sun wheel 28 is with the drive shaft 26 of the second electric motor 5 connected. The planet carrier 29 is with the exit 7 of the transmission 3 connected. The ring gear 30 is with the first drive axle 20 connected. There is also an axle brake 31 provided, which is fixed to the body and for braking or locking the first drive axle 20 is provided. The axle brake 31 is from the controller 18 controlled depending on operating parameters of the vehicle.

Das Planetengetriebe 27 kann zum Umsetzen eines Allradantriebes oder zur Abkoppelvorrichtung des zweiten Elektromotors 5 eingesetzt werden. Die Funktion der Achsbremse 31 kann auch in Form einer Parksperre des Getriebes realisiert werden. Die dritte und die vierte Kupplung 16, 17 kann auch durch eine Kupplung zwischen der zweiten Antriebsachse 10 und dem zweiten Differentialgetriebe 11 ersetzt sein. The planetary gear 27 can be used to implement an all-wheel drive or decoupling device of the second electric motor 5 be used. The function of the axle brake 31 can also be realized in the form of a parking brake of the transmission. The third and the fourth clutch 16 . 17 can also by a coupling between the second drive axle 10 and the second differential gear 11 be replaced.

Bei einem Allradantrieb treiben der Verbrennungsmotor 2 und/oder der erste Elektromotor 4 das Getriebe 3 an. Weiterhin wird mithilfe des zweiten Elektromotors 5 das Sonnenrad 28 des Planetengetriebes 27 angetrieben. Zudem wird vom Getriebe 2 die zweite Antriebsachse 10, die die Kardanwelle darstellt, angetrieben. Somit werden das dritte und das vierte Rad 14, 15 durch das Getriebe 3 angetrieben. Durch den Antrieb des Sonnenrades 28 durch den zweiten Elektromotor 5 wird ein Teil des Drehmomentes, das vom Getriebe 3 abgegeben wird, über die Planetenräder 32 auf das Hohlrad 30 und damit auf die erste Antriebsachse 20 zum Antreiben des ersten und des zweiten Rades 23, 25 übertragen. Bei dieser Situation ist eine geringe Drehzahl des zweiten Elektromotors 5 ausreichend, sodass der zweite Elektromotor 5 nur eine geringe Leistung benötigt. In an all-wheel drive drive the internal combustion engine 2 and / or the first electric motor 4 The gear 3 at. Furthermore, using the second electric motor 5 the sun wheel 28 of the planetary gear 27 driven. In addition, the transmission 2 the second drive axle 10 , which represents the cardan shaft, powered. Thus, the third and the fourth wheel 14 . 15 through the transmission 3 driven. By driving the sun gear 28 through the second electric motor 5 becomes part of the torque that comes from the transmission 3 is discharged, over the planet gears 32 on the ring gear 30 and thus on the first drive axle 20 for driving the first and second wheels 23 . 25 transfer. In this situation, a low speed of the second electric motor 5 enough so that the second electric motor 5 only a small power needed.

In einer weiteren Fahrsituation wird vom Getriebe 3 kein Drehmoment auf dem Ausgang 7 des Getriebes 3 ausgegeben. Somit wird das Fahrzeug 1 nur durch den zweiten Elektromotor 5 angetrieben. Dazu wird die zweite Antriebsachse 10 beispielsweise mithilfe der Antriebsbremse 31 oder mithilfe einer Parksperre im Getriebe gegen eine Drehung festgehalten. Bei dieser Situation dreht der zweite Elektromotor 5 rückwärts, sodass sich das Hohlrad 30 in entgegengesetzter Richtung dreht und dadurch über die erste Antriebsachse 20 die Vorderräder 23, 24 antreibt. In a further driving situation is from the transmission 3 no torque on the output 7 of the transmission 3 output. Thus, the vehicle becomes 1 only by the second electric motor 5 driven. This is the second drive axle 10 for example, using the drive brake 31 or held against rotation by a parking lock in the transmission. In this situation, the second electric motor rotates 5 backwards, so that the ring gear 30 rotates in the opposite direction and thereby on the first drive axle 20 the front wheels 23 . 24 drives.

3 zeigt eine weitere Ausführungsform, die im Wesentlichen der Ausführungsform der 2 entspricht, wobei jedoch bei dieser Ausführungsform der erste Elektromotor als Startermotor 32 ausgebildet ist, der zum Starten des Verbrennungsmotors 2 vorgesehen ist. Der Startermotor 32 steht mit der Kurbelwelle des Verbrennungsmotors 2 in Wirkverbindung. 3 shows a further embodiment, which is substantially the embodiment of the 2 However, in this embodiment, the first electric motor as a starter motor 32 is formed, for starting the internal combustion engine 2 is provided. The starter motor 32 stands with the crankshaft of the internal combustion engine 2 in active connection.

Somit kann der Startermotor verwendet werden, um mit oder ohne Betrieb des Verbrennungsmotors 2 eine Antriebskraft über das Getriebe 3 an die Kopplungsvorrichtung 9 zu übertragen, die z.B. als Hang-on Kupplung oder als Planetengetriebe ausgebildet sein kann. Thus, the starter motor can be used to operate with or without the internal combustion engine 2 a driving force over the transmission 3 to the coupling device 9 to transmit, which may be formed, for example, as a hang-on clutch or planetary gear.

Abhängig von der gewünschten Antriebsart, Frontantrieb, Heckantrieb oder Allradantrieb können die vorliegenden Antriebsquellen, d.h. der Verbrennungsmotor, der erste und der zweite Elektromotor eingesetzt werden, um nur elektrisch oder nur mit Verbrennungsmotor oder mit Verbrennungsmotor und elektrisch das Fahrzeug anzutreiben. Die beschriebenen Beispiele sind unabhängig von der Ausführungsform der Kopplungsvorrichtung 9 und kann auch für andere Kopplungsvorrichtungen als die Hang-on Kupplung oder das Planetengetriebe eingesetzt werden. Depending on the desired type of drive, front-wheel drive, rear-wheel drive or all-wheel drive, the present drive sources, ie the internal combustion engine, the first and the second electric motor can be used to drive the vehicle only electrically or only with an internal combustion engine or with an internal combustion engine and electrically. The described examples are independent of the embodiment of the coupling device 9 and can also be used for coupling devices other than the hang-on clutch or planetary gear.

Abhängig von der gewählten Ausführungsform kann der zweite Elektromotor eine höhere Leistung als der erste Elektromotor aufweisen und beispielsweise eine elektrische Leistung von 150 kW bereitstellen können. Depending on the selected embodiment, the second electric motor may have a higher power than the first electric motor and may for example provide an electric power of 150 kW.

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

  • DE 112009004352 T5 [0002] DE 112009004352 T5 [0002]

Claims (14)

Vorrichtung zum Antreiben eines Fahrzeuges (1) mit einem Verbrennungsmotor (2), mit einem Getriebe (3), mit einem ersten Elektromotor (4) und mit einem zweiten Elektromotor (5), wobei der Verbrennungsmotor (2) mit dem ersten Elektromotor (4) und mit einem Eingang (6) des Getriebes (3) in Wirkverbindung steht, wobei ein Ausgang (7) des Getriebes (3) mit einer Kopplungsvorrichtung (9) in Wirkverbindung steht, wobei die Kopplungsvorrichtung (9) mit einer ersten Antriebsachse (20) und mit einer zweiten Antriebsachse (10) in Wirkverbindung steht, und wobei der zweite Elektromotor (5) mit der Kopplungsvorrichtung (9) in Wirkverbindung steht. Device for driving a vehicle ( 1 ) with an internal combustion engine ( 2 ), with a transmission ( 3 ), with a first electric motor ( 4 ) and with a second electric motor ( 5 ), wherein the internal combustion engine ( 2 ) with the first electric motor ( 4 ) and with an input ( 6 ) of the transmission ( 3 ) is in operative connection, wherein an output ( 7 ) of the transmission ( 3 ) with a coupling device ( 9 ) is in operative connection, wherein the coupling device ( 9 ) with a first drive axle ( 20 ) and with a second drive axle ( 10 ) is in operative connection, and wherein the second electric motor ( 5 ) with the coupling device ( 9 ) is in operative connection. Vorrichtung nach Anspruch 1, wobei die Kopplungsvorrichtung (9) als Hang-on Kupplung ausgebildet ist. Device according to claim 1, wherein the coupling device ( 9 ) is designed as a hang-on coupling. Vorrichtung nach Anspruch 1 oder 2, wobei die erste Antriebsachse (20) und der zweite Elektromotor (5) über ein erstes Kupplungselement (19) der Kopplungsvorrichtung (9) direkt miteinander in Verbindung stehen, und wobei das Getriebe mit einem zweiten Kupplungselement (8) der Kopplungsvorrichtung (9) in Verbindung steht. Device according to claim 1 or 2, wherein the first drive axle ( 20 ) and the second electric motor ( 5 ) via a first coupling element ( 19 ) of the coupling device ( 9 ) are directly connected to each other, and wherein the transmission with a second coupling element ( 8th ) of the coupling device ( 9 ). Vorrichtung nach Anspruch 1, wobei die Kopplungsvorrichtung als Planetengetriebe (27) ausgebildet ist, wobei der zweite Elektromotor (5) mit einem Sonnenrad (28) des Planetengetriebes (27) in Wirkverbindung steht, wobei das Getriebe (3) mit einem Planetenträger (29) mit Planetenrädern (32) in Wirkverbindung steht, und wobei die erste Antriebsachse (20) mit einem Hohlrad (30) des Planetengetriebes (27) in Wirkverbindung steht. Apparatus according to claim 1, wherein the coupling device as a planetary gear ( 27 ), wherein the second electric motor ( 5 ) with a sun wheel ( 28 ) of the planetary gear ( 27 ) is in operative connection, wherein the transmission ( 3 ) with a planet carrier ( 29 ) with planetary gears ( 32 ) is in operative connection, and wherein the first drive axle ( 20 ) with a ring gear ( 30 ) of the planetary gear ( 27 ) is in operative connection. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei ein Ausgang (7) des Getriebes (3) direkt mit der zweiten Antriebsachse (10) verbunden ist. Device according to one of the preceding claims, wherein an output ( 7 ) of the transmission ( 3 ) directly with the second drive axle ( 10 ) connected is. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei der erste Elektromotor (4) als Startermotor für den Verbrennungsmotor (2) ausgebildet ist. Device according to one of the preceding claims, wherein the first electric motor ( 4 ) as a starter motor for the internal combustion engine ( 2 ) is trained. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die zweite Antriebsachse (10) mit einer Achsbremse (31) in Wirkverbindung steht. Device according to one of the preceding claims, wherein the second drive axle ( 10 ) with an axle brake ( 31 ) is in operative connection. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die zweite Antriebsachse (10) mit einem zweiten Differentialgetriebe (11) verbunden ist, wobei das zweite Differentialgetriebe (11) mit zwei Radwellen (12, 13) mit Rädern in Wirkverbindung steht, und wobei zwischen der zweiten Antriebsachse (10) und den Rädern (14, 15) wenigstens eine weitere Kupplung (16, 17) vorgesehen ist, um die Räder (14, 15) von der zweiten Antriebsachse (10) abzukoppeln. Device according to one of the preceding claims, wherein the second drive axle ( 10 ) with a second differential gear ( 11 ), wherein the second differential gear ( 11 ) with two wheel shafts ( 12 . 13 ) is operatively connected to wheels, and wherein between the second drive axle ( 10 ) and the wheels ( 14 . 15 ) at least one further coupling ( 16 . 17 ) is provided to the wheels ( 14 . 15 ) from the second drive axle ( 10 ) decouple. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste Antriebsachse (20) mit einem ersten Differentialgetriebe (21) verbunden ist, und wobei das erste Differentialgetriebe (21) mit zwei Radwellen (22, 24) verbunden ist, und wobei jede Radwelle (22, 24) mit einem Rad (23, 25) verbunden ist. Device according to one of the preceding claims, wherein the first drive axle ( 20 ) with a first differential gear ( 21 ), and wherein the first differential gear ( 21 ) with two wheel shafts ( 22 . 24 ), and wherein each wheel shaft ( 22 . 24 ) with a wheel ( 23 . 25 ) connected is. Verfahren zum Steuern einer Vorrichtung gemäß einem der vorhergehenden Ansprüche, wobei der erste Elektromotor, der zweite Elektromotor und der Verbrennungsmotor angesteuert werden, um eine gewünschte Verteilung einer Antriebskraft auf die erste und/oder die zweite Antriebsachse zu erreichen.  Method for controlling a device according to one of the preceding claims, wherein the first electric motor, the second electric motor and the internal combustion engine are controlled in order to achieve a desired distribution of a driving force on the first and / or the second drive axle. Verfahren nach Anspruch 10, wobei die Kopplungsvorrichtung (9) angesteuert wird, um die gewünschte Verteilung der Antriebskraft auf die erste und/oder die zweite Antriebsachse zu erreichen. Method according to claim 10, wherein the coupling device ( 9 ) is driven in order to achieve the desired distribution of the driving force on the first and / or the second drive axle. Verfahren nach Anspruch 10 oder 11, wobei die zweite Antriebsachse blockiert wird, um die gewünschte Verteilung der Antriebskraft auf die erste und/oder die zweite Antriebsachse zu erreichen, und wobei eine Wirkverbindung zwischen der zweiten Antriebsachse und zugeordneten Rädern reduziert oder aufgehoben wird.  The method of claim 10 or 11, wherein the second drive axle is blocked to achieve the desired distribution of drive force to the first and / or the second drive axle, and wherein an operative connection between the second drive axle and associated wheels is reduced or eliminated. Verfahren nach einem der Ansprüche 10 bis 12, wobei die Kopplungsvorrichtung in der Weise angesteuert wird, dass eine Wirkverbindung zwischen dem zweiten Elektromotor und dem Getriebe reduziert oder aufgehoben wird.  Method according to one of claims 10 to 12, wherein the coupling device is driven in such a way that an operative connection between the second electric motor and the transmission is reduced or eliminated. Steuergerät (18), das ausgebildet ist, um ein Verfahren der Ansprüche 10 bis 13 auszuführen. Control unit ( 18 ) configured to carry out a method of claims 10 to 13.
DE102016100788.9A 2016-01-19 2016-01-19 Device for driving a vehicle Pending DE102016100788A1 (en)

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