CN103775578B - 混合动力变速器 - Google Patents

混合动力变速器 Download PDF

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CN103775578B
CN103775578B CN201310507544.2A CN201310507544A CN103775578B CN 103775578 B CN103775578 B CN 103775578B CN 201310507544 A CN201310507544 A CN 201310507544A CN 103775578 B CN103775578 B CN 103775578B
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component
planetary gearsets
integral
rotor
speed changer
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CN103775578A (zh
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M-J.金
N.舍尼克
S.H.斯韦尔斯
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GM Global Technology Operations LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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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
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution 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
    • 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
    • B60K6/448—Electrical distribution type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • 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
    • B60K6/38—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
    • B60K2006/381—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 characterized by driveline brakes
    • 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
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    • F16H2200/20—Transmissions using gears with orbital motion
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    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
    • 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
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Abstract

变速器包括输入构件、输出构件和静止构件。第一和第二行星齿轮组每一个具有相应第一、第二、和第三构件。第一电动机/发电机，具有操作性地连接到行星齿轮组的其中一个构件的第一转子，用于与之整体旋转。第二电动机/发电机具有操作性地连接到行星齿轮组的其中一个构件的第二转子，用于与之整体旋转。变速器还包括：第一、第二和第三扭矩传递装置，其操作为选择性地将行星齿轮组的构件连接到输入构件、静止构件或行星齿轮组的其他构件，以提供变速器运行的两个电动车模式、两个电可变模式、和固定齿轮比模式。

Description

混合动力变速器
技术领域
本发明涉及混合动力变速器。
背景技术
电可变车辆变速器(EVT)包括可连接到发动机的输入轴、输出轴和每一个具有相应第一、第二、和第三构件的多个行星齿轮组。EVT还包括一个或多个电动机/发电机。每一个电动机/发电机操作性地连接到行星齿轮组中一个的相应构件以提供变速器运行的范围或模式，变速器的运行特征在于在输入轴和输出轴之间的持续可变速度比。持续可变速度比与电动机/发电机中一个的速度成比例。
发明内容
变速器包括输入构件、输出构件和静止构件。第一和第二行星齿轮组每一个具有相应第一、第二、和第三构件。第一电动机/发电机，具有操作性地连接到行星齿轮组的其中一个构件的第一转子，用于与之整体旋转。第二电动机/发电机具有操作性地连接到行星齿轮组的其中一个构件的第二转子，用于与之整体旋转。
变速器还包括第一、第二、和第三扭矩传递装置，其操作为选择性地将行星齿轮组的构件连接到输入构件或静止构件。扭矩传递装置可以各种组合接合，以提供变速器运行的两种电动车模式、两种电可变模式和固定齿轮比模式。
在下文结合附图进行的对实施本发明的较佳模式做出的详尽描述中能容易地理解上述的本发明的特征和优点以及其他的特征和优点。
附图说明
图1是包括根据本发明的变速器的动力传动系的示意性显示；和
图2是包括根据本发明的另一变速器的另一动力传动系的示意性显示。
具体实施方式
参见图1，车辆动力传动系10被示意性地显示。动力传动系10包括发动机12和变速器14。变速器14包括输入构件16和输出构件18。输入构件16通过动力传动系缓冲器/隔离器（未示出)操作性地连接到曲轴20，以由此接收扭矩。输出构件18操作性地连接到车辆的驱动车轮（未示出)，以经由差速器组件（未示出)对驱动车轮传递扭矩。变速器14还包括第一和第二行星齿轮组24、26。
行星齿轮组24、26每一个包括相应的第一、第二、和第三构件。在所示实施例中，第一行星齿轮组24的第一构件是第一环齿轮构件30，第一行星齿轮组24的第二构件是第一太阳齿轮构件32，且第一行星齿轮组24的第三构件是第一行星承载构件34。第一行星齿轮组24包括至少一个小齿轮36，其可旋转地连接到行星承载构件34，且啮合地接合环齿轮构件30和太阳齿轮构件32。
在所示实施例中，第二行星齿轮组26的第一构件是第二环齿轮构件38，第二行星齿轮组26的第二构件是第二太阳齿轮构件40，且第二行星齿轮组26的第三构件是第二行星承载构件42。第二行星齿轮组26包括至少一个小齿轮44，其可旋转地连接到行星承载构件42，且啮合地接合环齿轮构件38和太阳齿轮构件40。
第一电动机/发电机48包括第一定子52和第一转子56。第一定子52安装到静止构件，例如变速器壳体60。第二电动机/发电机64包括第二定子68和第二转子72。第二定子68安装到静止构件，例如变速器壳体60。第一和第二电动机/发电机48、64操作性地连接到电池（未示出)。电动机/发电机48、64中之任一操作为发电机时，其将电能传递到电池以为电池充电或为另一电动机/发电机提供功率。在电动机/发电机48、64中之任一操作为电动机时，它从电池或从另一电动机/发电机接收电能。
第一转子56持续操作性地连接到环齿轮构件30，用于与之整体旋转。第一行星齿轮组24的行星承载器34持续操作性地连接到第二行星齿轮组26的环齿轮构件38，用于与之整体旋转。第二转子72持续操作性地连接到第二行星齿轮组26的太阳齿轮构件40，用于与之整体旋转。第一行星齿轮组24的太阳齿轮构件32、第二行星齿轮组26的行星承载构件42和输出构件18持续操作性地互连，用于整体旋转。
应注意，当用在权利要求时，行星齿轮组的第一、第二、和第三构件不必是指具体类型的构件；由此例如第一构件可以是环齿轮构件、太阳齿轮构件或行星承载构件中的任何一个。
变速器14包括三个选择性地可接合的扭矩传递装置76、80、84。第一扭矩传递装置76是离合器，其配置为选择性地将输入构件16联接到太阳齿轮构件32和行星承载构件，用于整体旋转。第二扭矩传递装置80是离合器，其配置为选择性地将输入构件16联接到第一转子56和第一环齿轮构件30，用于整体旋转。第三扭矩传递装置84是制动器，其配置为选择性地将第一行星承载构件34和第二环齿轮构件38联接到静止构件，即壳体60。
本领域技术人员应理解仅变速器14的在输入构件16上方的一部分被示意性地显示；且行星齿轮组24、26、扭矩传递装置76、80、84和其他部件的大致关于输入构件16对称的一些部分未示出。
变速器运行的第一模式在第三扭矩传递装置84接合且第一和第二扭矩传递装置76、80脱开时获得。变速器运行的第一模式是低速度、固定档位电动车(EV)模式。EV模式是这样的一种模式：在输入构件16和输出构件18之间没有机械连接且到输出构件18的所有功率通过一个或多个电动机/发电机48、64供应，所述电动机/发电机通过电池（未示出)而不是发动机12提供动力。
变速器运行的第二模式在所有扭矩传递装置76、80、84脱开时获得。变速器运行的第二模式是高速、伪档位（pseudo-gear）EV模式。变速器运行的第三模式在第二扭矩传递装置80接合且第一和第三扭矩传递装置76、84脱开时获得。变速器运行的第三模式是EVT输出分流模式，其可以用于倒车起步或倒车执行。可变或EVT运行模式特征在于在输入轴16和输出轴18之间的持续可变速度比，该速度比与一个或多个电动机/发电机48、64的速度成比例。
变速器运行的第四模式在第一扭矩传递装置76接合且第二和第三扭矩传递装置80、84脱开时获得。变速器运行的第四模式是EVT复合分流模式。第五、倒车模式在第二和第三扭矩传递80、84装置接合且第一扭矩传递装置76脱开时获得。第六、固定档位运行模式在第一和第二扭矩传递装置76、80接合且第三扭矩传递装置84脱开时获得。
与现有技术的变速器变相比，速器运行的第二模式，即高速、伪档位EV模式，可以在高速路驾驶期间提供更好的EV行程。与现有技术变速器相比，第四模式，即复合分流模式，可以在充电维持期间实现改进的燃料经济性。与现有技术变速器相比，第五模式，即倒车档模式，可以提供改进的倒车爬坡能力。在所示实施例中，第一和第二离合器76、80是干式离合器，以使得旋转损耗的影响最小化，且可以共享用于促动第三扭矩传递装置84的低流动液压特点。变速器14的构造使得电动机/发电机48、64中之一或两者偏轴（off-axis），即转子56、72可以绕与齿轮组24、26的构件和输入构件16旋转所绕轴线不同的轴线旋转。
参见图2，另一车辆动力传动系110示意性地显示。动力传动系110包括发动机112和变速器114。变速器114包括输入构件116和输出构件118。输入构件116通过动力传动系缓冲器/隔离器（未示出)操作性地连接到发动机112的曲轴120，以由此接收扭矩。输出构件118操作性地连接到车辆的驱动车轮（未示出)，以经由差速器组件（未示出)对驱动车轮传递扭矩。变速器114还包括第一和第二行星齿轮组124、126。
行星齿轮组124、126每一个包括相应的第一、第二、和第三构件。在所示实施例中，第一行星齿轮组124的第一构件是第一太阳齿轮构件130，第一行星齿轮组124的第二构件是第一环齿轮构件132，且第一行星齿轮组124的第三构件是第一行星承载构件134。第一行星齿轮组124包括至少一个小齿轮136，其可旋转地连接到行星承载构件134，且啮合地接合太阳齿轮构件130和环齿轮构件132。
在所示实施例中，第二行星齿轮组126的第一构件是第二环齿轮构件138，第二行星齿轮组126的第二构件是第二太阳齿轮构件140，且第二行星齿轮组126的第三构件是第二行星承载构件142。第二行星齿轮组126包括至少一个小齿轮144，其可旋转地连接到行星承载构件142，且啮合地接合环齿轮构件138和太阳齿轮构件140。
第一电动机/发电机148包括第一定子152和第一转子156。第一定子152安装到静止构件，例如变速器壳体160。第二电动机/发电机164包括第二定子168和第二转子172。第二定子168安装到静止构件，例如变速器壳体160。第一和第二电动机/发电机148、164操作性地连接到电池（未示出)。在电动机/发电机148、164中之任一操作为发电机时，其将电能传递到电池，以为电池充电或为另一电动机/发电机提供功率。在电动机/发电机148、164中之任一操作为电动机时，它从电池或从另一电动机/发电机接收电能。
第一转子156持续操作性地连接到第一太阳齿轮构件130，用于与之整体旋转。第一行星齿轮组124的行星承载器134持续操作性地连接到第二行星齿轮组126的第二环齿轮构件138，用于与之整体旋转。第二转子172持续操作性地连接到第二行星齿轮组126的太阳齿轮构件140，用于与之整体旋转。第一行星齿轮组124的环齿轮构件132、第二行星齿轮组126的行星承载构件142和输出构件118持续操作性地互连，用于整体旋转。
变速器114包括三个选择性地可接合的扭矩传递装置176、180、184。第一扭矩传递装置176是离合器，其配置为选择性地将输入构件116联接到第一行星承载构件134和第二环齿轮构件138，用于整体旋转。第二扭矩传递装置180是离合器，其配置为选择性地将输入构件116联接到第一转子156和第一太阳齿轮构件130，用于整体旋转。第三扭矩传递装置184是制动器，其配置为选择性地将第一行星承载构件134和第二环齿轮构件138联接到静止构件，即壳体160。
尽管已经对执行本发明的较佳模式进行了详尽的描述，但是本领域技术人员可得知在所附的权利要求的范围内的用来实施本发明的许多替换设计和实施例。

Claims (8)

1.一种变速器，包括:
输入构件；静止构件；
第一和第二行星齿轮组，每一个具有相应第一、第二、和第三构件；
输出构件，操作性地连接到行星齿轮组的所述构件之一，用于与之整体旋转；
第一电动机/发电机，具有操作性地连接到行星齿轮组的所述构件之一的第一转子，用于与之整体旋转；
第二电动机/发电机，具有操作性地连接到行星齿轮组的所述构件之一的第二转子，用于与之整体旋转；和
第一、第二和第三扭矩传递装置，操作为选择性地将所述行星齿轮组的构件连接到所述输入构件或所述静止构件，以提供变速器运行的两种电动车模式、两种电可变模式和固定齿轮比模式；
其中第一行星齿轮组的第一构件操作性地连接到第一转子，用于与之整体旋转；
其中第一行星齿轮组的第二构件操作性地连接到第二行星齿轮组的第三构件和输出构件，用于与之整体旋转；
其中第一行星齿轮组的第三构件操作性地连接到第二行星齿轮组的第一构件，用于与之整体旋转；和
其中第二行星齿轮组的第二构件操作性地连接到第二转子，用于与之整体旋转。
2.如权利要求1所述的变速器，其中第一扭矩传递装置配置为选择性地将输入构件联接到第一行星齿轮组的第二构件和第二行星齿轮组的第三构件，用于整体旋转；
其中第二扭矩传递装置配置为选择性地将输入构件联接到第一转子和第一行星齿轮组的第一构件，用于整体旋转；和
其中第三扭矩传递装置配置为选择性地将第一行星齿轮组的第三构件和第二行星齿轮组的第一构件联接到静止构件。
3.如权利要求2所述的变速器，其中第一行星齿轮组的第一构件是第一环齿轮构件；
其中第一行星齿轮组的第二构件是第一太阳齿轮构件；和
其中第一行星齿轮组的第三构件是第一行星承载构件。
4.如权利要求3所述的变速器，其中第二行星齿轮组的第一构件是第二环齿轮构件；
其中第二行星齿轮组的第二构件是第二太阳齿轮构件；和
其中第二行星齿轮组的第三构件是第二行星承载构件。
5.一种变速器，包括:
输入构件；输出构件；和静止构件；
第一和第二行星齿轮组，每一个具有相应第一、第二、和第三构件；
第一电动机/发电机，具有第一转子；
第二电动机/发电机，具有第二转子；
第一行星齿轮组的所述第一构件被操作性地连接到第一转子，用于与之整体旋转；
第一行星齿轮组的所述第二构件被操作性地连接到第二行星齿轮组的第三构件和输出构件，用于与之整体旋转；
第一行星齿轮组的所述第三构件操作性地连接到第二行星齿轮组的第一构件，用于与之整体旋转；
第二行星齿轮组的所述第二构件被操作性地连接到第二转子，用于与之整体旋转；和
第一、第二、和第三扭矩传递装置操作为选择性地将所述行星齿轮组的构件连接到所述输入构件或所述静止构件，
其中，第三扭矩传递装置配置为仅通过第三扭矩传递装置选择性地将所述行星齿轮组的至少两个构件连接到所述静止构件。
6.如权利要求5所述的变速器，其中第一扭矩传递装置配置为选择性地将输入构件连接到第一行星齿轮组的第二构件和第二行星齿轮组的第三构件，用于整体旋转；
其中第二扭矩传递装置配置为选择性地将输入构件连接到第一转子和第一行星齿轮组的第一构件，用于整体旋转；和
其中第三扭矩传递装置配置为选择性地将第一行星齿轮组的第三构件和第二行星齿轮组的第一构件连接到静止构件。
7.如权利要求5所述的变速器，其中第一扭矩传递装置配置为选择性地将输入构件连接到第一行星齿轮组的第三构件和第二行星齿轮组的第一构件，用于整体旋转；
其中第二扭矩传递装置配置为选择性地将输入构件连接到第一转子和第一行星齿轮组的第一构件，用于整体旋转；和
其中第三扭矩传递装置配置为选择性地将第一行星齿轮组的第三构件和第二行星齿轮组的第一构件连接到静止构件。
8.一种变速器，包括:
输入构件；静止构件；
第一和第二行星齿轮组，每一个具有相应的第一、第二、和第三构件；
输出构件，操作性地连接到行星齿轮组的所述构件之一，用于与之整体旋转；
第一电动机/发电机，具有操作性地连接到行星齿轮组的所述构件之一的第一转子，用于与之整体旋转；
第二电动机/发电机，具有操作性地连接到行星齿轮组的所述构件之一的第二转子，用于与之整体旋转；和
第一、第二和第三扭矩传递装置，操作为选择性地将所述行星齿轮组的构件连接到所述输入构件或所述静止构件，以提供变速器运行的两种电动车模式、两种电可变模式、固定齿轮比模式、和倒车档位模式；
其中第一行星齿轮组的第一构件操作性地连接到第一转子，用于与之整体旋转；
其中第一行星齿轮组的第二构件操作性地连接到第二行星齿轮组的第三构件和输出构件，用于与之整体旋转；
其中第一行星齿轮组的第三构件操作性地连接到第二行星齿轮组的第一构件，用于与之整体旋转；和
其中第二行星齿轮组的第二构件操作性地连接到第二转子，用于与之整体旋转。
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