CN102762401A - 机动车辆的传动系 - Google Patents

机动车辆的传动系 Download PDF

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CN102762401A
CN102762401A CN2010800640934A CN201080064093A CN102762401A CN 102762401 A CN102762401 A CN 102762401A CN 2010800640934 A CN2010800640934 A CN 2010800640934A CN 201080064093 A CN201080064093 A CN 201080064093A CN 102762401 A CN102762401 A CN 102762401A
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back axle
gear box
motor driver
transmission system
propons
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CN102762401B (zh
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M·菲彻特纳
J·梅耶-艾博林
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Dr Ing HCF Porsche AG
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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
    • B60K6/42—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
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/02—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, substantially in or parallel to the longitudinal centre line of the vehicle
    • 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
    • B60K17/354—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
    • 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
    • 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
    • B60K6/22—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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

本发明涉及一种机动车辆的传动系，该传动系包括：一个前桥（10），一个后桥（13），在中置发动机安排中被定位在该前桥（10）的后方并且在该后桥（13）的前方的一个内燃发动机（16），该内燃发动机借助于其来驱动该后桥（13）的一个变速箱（17），以及一个电动驱动器（18），该电动驱动器被指配给该前桥（10）并且包括至少两个电动机器，并且借助于该电动驱动器能够驱动该前桥（10），其中，该后桥（13）被指配了一个另外的电动驱动器（18），借助于该另外的电动驱动器能够附加于该内燃发动机（16）来驱动该后桥（13）或者作为该内燃发动机的替代物来驱动该后桥。

Description

机动车辆的传动系
技术领域
本发明涉及根据权利要求1的前序部分的一种机动车辆的传动系。
背景技术
DE 102006026916A1披露了一种机动车辆的传动系，该传动系具有一个前桥和一个后桥，其中该前桥可以由一个指配给前桥的电动驱动器来驱动，并且该后桥可以由一个指配给后桥的内燃发动机来驱动。指配给后桥的该内燃发动机在一种中置发动机安排(Mittelmotoranordnung)中被定位在该前桥的后方并且在该后桥的前方，并且它通过一个被定位在后桥的后方的变速箱将驱动力输入到该后桥中。被指配给前桥的该电动驱动器可以具有一个单一的电动机器或者每个前轮具有一个分立的电动机器。
在根据DE 102006026916A1的这种传动系中，该前桥可以由一个电动机唯一地驱动并且该后桥可以由一个内燃发动机唯一地驱动。
发明内容
以此为基础，本发明要解决的问题是提供一种新颖的机动车辆的传动系。这一问题是通过根据专利权利要求1的一种传动系而解决的。根据本发明，后桥被指配了一个另外的电动驱动器，借助于该另外的电动驱动器，能够附加于该内燃发动机来驱动该后桥或者作为该内燃发动机的替代物来驱动该后桥。
在根据本发明的传动系中，该后桥不仅能够被内燃发动机驱动而且能够被电动机驱动。为此目的，附加于该内燃发动机之外，该后桥还被指配了一个电动驱动器。借助于指配给后桥的这种电动驱动器能够实现：附加于该内燃发动机之外来驱动该后桥或者作为该内燃发动机的替代物来驱动该后桥。在根据本发明的传动系中，该前桥因而是在纯电动机模式中被驱动的。该后桥能够在纯电动机模式中、纯内燃发动机模式中、或者在内燃发动机与电动机的组合模式中被驱动。
被指配给该前桥的该电动驱动器优选地包括被指配给该前桥的一个第一前轮的一个第一电动机器，以及被指配给该前桥的一个第二前轮的一个第二电动机器，其中驱动该前桥的电动驱动器的这些电动机器能够通过一个装置而彼此联接。被指配给该第一前轮的该前桥的电动驱动器的第一电动机器用于驱动该第一前轮，而被指配给该第二前轮的该前桥的电动驱动器的第二电动机器用于驱动该第二前轮。此外，若这两个电动机器能够被联接，则在该前桥的电动驱动器的一个电动机器失效的情况下，这两个前轮就能够借助于该前桥的电动驱动器中的那个剩余的电动机器来被驱动。
根据本发明的一个有利的改进方案，内燃发动机和后桥的电动驱动器借助于其而驱动该后桥的这种变速箱被实施成双离合器变速箱，该双离合器变速箱带有两个变速箱输入轴和两个起动离合器，其中被指配给后桥的该电动驱动器包括被整合进入该变速箱的至少一个电动机器，并且其中该内燃发动机与被指配给该后桥的该电动驱动器的整合进入该双离合器变速箱的该电动机器各自将驱动力输入到该双离合器变速箱的不同变速箱输入轴。将指配给该后桥的电动驱动器的该电动机器整合进入该双离合器变速箱中具有的优点是能够节省安装空间。将变速箱实施成一个双离合器变速箱以及内燃发动机与被整合进入该双离合器变速箱中的电动机器将驱动力输入到双离合器变速箱的不同的输入轴的这种事实能够提供一种与最大功率需求相符合的并且进一步被配置成排放最小量的污染物的传动系。
附图说明
在从属权利要求以及以下的说明中能够看到本发明的多个优选的改进方案。参见附图对本发明的示例性实施方案进行了更详细的说明，而并不限制于此。
在所述附图中：
图1示出了一种根据本发明的机动车辆的传动系的一个示意性图解；
图2示出图1中根据本发明的传动系的后桥的一种替代；并且
图3示出图1中根据本发明的传动系的前桥的一种替代。
具体实施方式
本发明在此涉及一种机动车辆的传动系，其中图1是根据本发明的传动系的一个优选的示例性实施方案的一个高度示意性的视图。
根据本发明的传动系具有一个前桥10和一个后桥13，该前桥带有前轮11、12，该后桥带有后轮14、15。后桥13被指配了一个内燃发动机16，该内燃发动机在一种中置发动机安排中被定位在前桥10的后方并且在后桥13的前方，并且该内燃发动机通过一个变速箱17来驱动后桥13。内燃发动机16是一种火花点火式内燃发动机(Otto-Brennkraftmaschine)，确切地说在这个示出的示例性实施方案中是一种V型设计的8-汽缸火花点火式内燃发动机。
内燃发动机16通过其来驱动后桥13的这种变速箱17是一种双离合器变速箱。对于本领域的普通技术人员而言在此引用的双离合器变速箱的原理构造是熟悉的，并不需要任何进一步的说明。双离合器变速箱的原理构造是已知的，例如，由WO 2007/042109A1公开，从该专利清楚的是一个双离合器变速箱具有两个变速箱输入轴以及两个起动离合器。
后桥13除了被指配了内燃发动机16之外还被指配了一个电动驱动器18，借助于该电动驱动器能够附加于该内燃发动机16之外来驱动该后桥13或者作为该内燃发动机的替代物来驱动该后桥13。后桥13的电动驱动器18具有至少一个电动机器，在所示出的示例性实施方案中是一个单一的电动机器19，该电动机器被整合进入这个被实施成双离合器变速箱的变速箱17。在这种情况下，优选地，内燃发动机16和电动驱动器18的被整合进入双离合器变速箱17的电动机器19将驱动力输入到双离合器变速箱17的不同的输入轴上。
虽然就驱动技术而言后桥19的电动驱动器18的电动机器19和内燃发动机16将驱动力输入到被实施成双离合器变速箱的变速箱17的不同的变速箱输入轴上是尤其优选的，但是可替代地还可实现的是内燃发动机16和电动机器19共同将驱动力提供到双离合器变速箱的一个变速箱输入轴。
在图1的示例性实施方案中，变速箱17是在一种横向的设计中被实施的而因此被实施成一个横置变速箱，它的多个轴相对于后桥13大致平行地延伸。与之不同，还可实现的是，如从图3可以得出的是被实施成双离合器变速箱的该变速箱17可以在一种纵向的设计中被实施而因此被实施成一个纵置变速箱，它的多个轴相对于后桥13大致垂直地延伸。在任何情况下，该变速箱都至少局部区段地就座在后桥13上。
这种传动系的前桥10也被指配了一个电动驱动器20，其中前桥10的电动驱动器20包括多个电动机器，确切地说是在该示出的示例性实施方案中是两个电动机器21和22。
前桥10的电动驱动器20的一个第一电动机器21因此被指配给一个第一前轮11，并且前桥10的电动驱动器20的一个第二电动机器22被指配给一个第二前轮12。在图1示例性实施方案中，电动驱动器20的电动机器21在此唯一地用于驱动这个前轮11，而前桥10的电动驱动器20的电动机器22唯一地用于驱动所述前轮12。
然而，根据本发明的一个优选的改进方案还可实现的是，如在图2示出的，前桥10的电动驱动器20的这两个电动机器22和21能够通过一个装置23而联接。在这种情况中于是可实现，在前桥10的电动驱动器20的这些电动机器之一21或22的失效事件中，前桥10的两个前轮11、12均由该前桥10的电动驱动器20的电动机器21和22中的对应地剩余的能够具有功能性的那个电动机器来驱动。
前桥10的电动驱动器20的这两个电动机器21和22能够通过其而被联接的所述装置23可以是一个离合器。在这种情况下，前桥10的这两个前轮11、12于是以相同的转速而各自被驱动。
与之不同，然而还可实现的是前桥10的电动驱动器20的这两个电动机器21和22能够通过其而被联接的所述装置23被实施成一个机械差速器或一个电子差速器。
当该装置23被实施成一个机械差速器时，前桥10的这两个前轮11、12在电动机器21与22被联接的情况下可以用不同转速来被驱动，但是对于两个前轮应用了相同的符号的驱动力矩，也就是说或者各自是牵引力矩(Zugmoment)或者各自是推送力力矩(Schubmoment)。
相比之下，如果该装置23被实施成一个电子差速器，则这两个前轮11、12就可以不仅以不同转速来被驱动而且甚至还可实现将不同符号的力矩应用到这两个前轮11、12上，也就是说将一个牵引力矩应用到一个前轮上而将一个推送力力矩应用到另一个前轮上。
前桥10的电动驱动器20的这两个电动机器21和22以及后桥13的电动驱动器18的这个电动机器19都可以各自以电动机模式或发电机模式运行。根据图1，在此后桥13和前桥10的这些电动驱动器18和20的所有这些电动机器19、21和22被指配了一个共用的电能储能器24，其中，当这些电动机器之一19或21或22是作为电动机来运行时，所述电动机器使得该电能储能器24放电到一个更大的程度，并且当这些电动机器之一19或21或22是作为发电机来运行时，所述电动机器使得该电能储能器24充电到一个更大的程度。
与之不同，还可实现的是将分立的多个电能储能器指配给后桥13的电动驱动器18并且指配给前桥10的电动驱动器20。
该电能储能器、或每个电能储能器，是一个电池亦或是一个飞轮储能器。如果强调的是该传动系的性能取向或效率取向的表现，则使用一个飞轮储能器。如果强调的是该传动系的最小化的燃料消耗或最大行程，则使用一个电池。

Claims (10)

1.一种机动车辆的传动系，该传动系具有一个前桥，具有一个后桥，具有在中置发动机安排中被定位在该前桥后方并且在该后桥前方的一个内燃发动机，具有该内燃发动机借助于其来驱动该后桥的一个变速箱，并且具有一个电动驱动器，该电动驱动器被指配给该前桥并且包括至少两个电动机器，并且借助于该电动驱动器能够驱动该前桥，其特征在于，该后桥（13）被指配了一个另外的电动驱动器（18），借助于该另外的电动驱动器能够附加于该内燃发动机（16）来驱动该后桥（13）或者作为该内燃发动机的替代物来驱动该后桥。
2.如权利要求1所述的传动系，其特征在于，被指配给该后桥（13）的该电动驱动器（18）包括至少一个电动机器（19），该电动机器被整合进入该变速箱（17）中。
3.如权利要求1或2所述的传动系，其特征在于，该内燃发动机（16）与该后桥（13）的电动驱动器（18）借助于其而驱动该后桥（13）的该变速箱（17）被实施成带有两个变速箱输入轴和两个起动离合器的双离合器变速箱。
4.如权利要求3所述的传动系，其特征在于，该内燃发动机（16）与被指配给该后桥（13）的该电动驱动器（18）的电动机器（19）各自将驱动力输入到该双离合器变速箱的不同变速箱输入轴。
5.如权利要求1至4之一所述的传动系，其特征在于，被指配给该前桥（10）的该电动驱动器（20）包括被指配给该前桥（10）的一个第一前轮（11）的一个第一电动机器（21），以及被指配给该前桥（10）的一个第二前轮（12）的一个第二电动机器（22），其中驱动该前桥（10）的电动驱动器（20）的这些电动机器（21，22）能够通过一个装置（23）而彼此联接。
6.如权利要求5所述的传动系，其特征在于，该装置（23）被实施成一个离合器。
7.如权利要求5所述的传动系，其特征在于，该装置（23）被实施成一个机械差速器。
8.如权利要求5所述的传动系，其特征在于，该装置（23）被实施成一个电子差速器。
9.如权利要求1至8中的一项或多项所述的传动系，其特征在于，该内燃发动机（16）与该后桥（13）的电动驱动器（18）借助于其而驱动该后桥（13）的该变速箱（17）就座在该后桥（13）上并且被实施成一种纵置变速箱，该纵置变速箱的多个轴相对于该后桥（13）大致垂直地延伸。
10.如权利要求1至8中的一项或多项所述的传动系，其特征在于，该内燃发动机（16）与该后桥（13）的电动驱动器（18）借助于其而驱动该后桥（13）的该变速箱（17）就座在该后桥（13）上并且被实施成一种横置变速箱，该横置变速箱的多个轴相对于该后桥（13）大致平行地延伸。
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