CN105209795A - 包括由减速器联接到泵的行星齿轮组的用于液压混合动力车辆的传动装置 - Google Patents

包括由减速器联接到泵的行星齿轮组的用于液压混合动力车辆的传动装置 Download PDF

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CN105209795A
CN105209795A CN201480028200.6A CN201480028200A CN105209795A CN 105209795 A CN105209795 A CN 105209795A CN 201480028200 A CN201480028200 A CN 201480028200A CN 105209795 A CN105209795 A CN 105209795A
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transmission device
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pump
speed
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O·巴伦吉恩
J·C·西罗特
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Technology Advances Co
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/15—Control strategies specially adapted for achieving a particular effect
    • B60W20/17—Control strategies specially adapted for achieving a particular effect for noise reduction
    • 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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
    • F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4183—Preventing or reducing vibrations or noise, e.g. avoiding cavitations
    • 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
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
    • 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
    • F16H57/00—General details of gearing
    • F16H57/0006—Vibration-damping or noise reducing means specially adapted for 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
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  • Structure Of Transmissions (AREA)
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Abstract

一种用于混合动力机动车辆的传动装置，包括能够差速运行的行星齿轮组(30)，所述行星齿轮组(30)包括联接到热力发动机(34)的第一元件(32)、联接到驱动轮(22)的第二元件(40)和联接到液压泵(64)的第三元件(36)，此传动装置(1)还包括通过液压机(2)驱动所述驱动轮的机构(8)，其特征在于，所述行星齿轮组(30)的所述第三元件(36)和所述液压泵(64)之间的联接包括减速器(38、60)，其在整个行星齿轮组以相同速度旋转时提供相对于所述热力发动机(34)旋转速度所述泵的旋转速度的减小，减速比大约大于值二。

Description

包括由减速器联接到泵的行星齿轮组的用于液压混合动力车辆的传动装置
技术领域
本发明涉及一种用于混合动力机动车辆的传动装置，其减少由此传动装置驱动的液压泵的声级，本发明还涉及一种用于估计液压机的噪声级的方法以及包括这种传动装置的混合动力机动车辆。
背景技术
在文献FR-A1-2973302中特别描述了一种已知类型的用于液压混合动力机动车辆的传动装置。其具有连接到内燃机的第一输入和连接到液压泵的第二输入。发动机和泵在相同轴线上排齐，并布置在集成于传动装置中的行星齿轮组的两侧。此传动装置还包括连接到液压机的第三输入，以及输出，该输出通过差速器给车辆的两个驱动轮提供动力。
液压机可以通过两个不同的齿轮传动比连接到差速器，这两个不同的齿轮传动比可以通过第一同步器接合套进行选择。
行星齿轮组的沿燃烧发动机的轴线设置的外齿圈由内燃机驱动，且包括直接连接到液压泵的太阳齿轮。行星齿轮组的行星架可以由第二同步器接合套连接到太阳齿轮，以锁定行星齿轮组，从而其所有元件以相同速度旋转。行星架也可以由第三同步器接合套连接到输出差速器。
液压机和泵都连接到蓄能器，蓄能器在泵输送制动力矩时储存能量，并将能量返回到液压机以将发动机扭矩输送到驱动轮。
当行星架被锁定时，泵与内燃机以相同速度运行。在行星架起到差速器的功能的另一工作模式下，泵以低于或高于内燃机速度的速度相对于内燃机以相反方向旋转且产生制动力矩。
当泵以相对较高的旋转速度和基于此速度计算的缸体排量工作时，泵接收取决于速度和排量的乘积的机械功率，其被用于产生液压压力以供补给蓄能器。
此外，一种已知类型的液压泵包括平行于轴线设置且围绕此轴线分布的若干缸体，且包括由一板致动的若干柱塞，该板被驱动旋转且能够围绕垂直于旋转轴线的轴线倾斜。
用于混合动力车辆的上述类型的泵的一个问题是，在这些速度下，泵产生令人不愉快的振动和大的噪声。尤其是，在车辆样机上进行的测试已经显示了由泵发出的声级超出可允许的极限大约10dBa。
为了降低泵的噪声级，第一种已知方案在于沿垂直于第一倾斜轴线的第二轴线稍微倾斜板，以使柱塞中的压力峰值平滑，且减少声音的激发。然而，此方案仅仅使液压泵的总噪声减小大约3到4dBa，这是不够的。
另一个减少噪声发出的已知方案在于将液压泵包装。此方案对于包装而言有显著的空间问题，使其难以实施。
发明内容
本发明意在避免现有技术的这些缺点。
出于此目的，本发明提出一种用于液压混合动力机动车辆的传动装置，所述传动装置包括能够起到差速器功能的行星齿轮组，所述行星齿轮组包括连接到内燃机的第一元件、连接到驱动轮的第二元件和连接到液压泵的第三元件，所述传动装置包括用于将由液压机提供的扭矩输送到驱动轮的机构，其特征在于，行星齿轮组的第三元件和液压泵之间的连接包括减速器，其在整个行星齿轮组以相同速度旋转时相对于所述内燃机速度减小所述泵的旋转速度，减速比约大于二。
此传动装置的优点在于通过在行星齿轮组的第三元件和液压泵之间增加减速器，当行星齿轮组被锁定时，得到的泵的速度相对于内燃机速度的减速比至少为二，这显著地减小了泵的噪声发出。当行星齿轮组作为差速器运行时，也可以得到泵的速度的相同的减小。
此外，为了保持相同的功率，速度的减小可以由泵排量的增加弥补，泵排量的增加与减速比实质上是成比例的。
根据本发明的传动装置还可以包括一个或多个如下可以被结合的特征。
较佳地，所述减速器包括构成所述减速器的输入轴和输出轴的两个平行轴。
特别地，所述减速器的直接连接到所述行星齿轮组第三元件的输入轴可以支撑一齿轮，该齿轮与直接连接到所述泵的轴所承载的另一齿轮啮合，从而通过这对啮合的齿轮得到减速比。
特别地，减速比可以大约为2.2。
特别地，所述行星齿轮组的所述第一元件可以是外齿圈，所述第二元件是行星架，且所述第三元件是太阳齿轮。
较佳地，所述行星齿轮组包括锁定机构。
本发明还涉及一种用于估计带有轴向柱塞的液压机的噪声级的方法，其通过获知所述液压机的旋转速度和排量估计所述噪声级，且其通过以下类型的公式计算此噪声级：
Xxlog10(速度rev/min)+Yxlog10(排量cm3)+K＝声级dBa；
常数K取决于所述液压机所用的技术。
特别地，“X”值实质上等于二十，且值“Y”实质上等于三。
特别地，所述常数“K”在五和十五之间。
本发明还涉及一种混合动力机动车辆，装配有传动装置，所述传动装置包括连接到内燃机和连接到液压泵的行星齿轮组，所述传动装置包括前述特征的任意一个。
附图说明
在参考附图阅读以下作为范例给出的描述时，将会更好地理解本发明并且其它特征和优点将会显得更清楚。
图1是根据本发明的传动装置的示意图。
具体实施方式
图1示出了包括彼此平行设置的六根轴的传动装置1。可变排量液压机2连接到传动装置的第一输入轴4，其支撑自由旋转的驱动齿轮6，驱动齿轮6可以通过接合第一同步器接合套8连接到该输入轴。
第一输入轴4的驱动齿轮6与连接到第一中间轴16的从动齿轮12啮合，第一中间轴16承载固定在该轴上的第一输出齿轮14。第一输出齿轮14与输出差速器20的齿圈18啮合，从而将动力分配到车辆的两个驱动轮22。
这使得当第一同步器接合套8接合时，液压机2能够直接驱动车辆的驱动轮22。
沿主轴线A设置的内燃机34直接驱动行星齿轮组30沿相同轴线布置的外齿圈32；该行星齿轮组包括固定到轴52的中心太阳齿轮36，轴52在其与内燃机相反的末端承载固定齿轮38。
行星齿轮组30包括承载与外齿圈32和太阳齿轮36都啮合的行星齿轮的行星架40，而行星架连接到固定驱动齿轮42。
轴向地安装在行星架40的固定驱动齿轮42和其上安装有太阳齿轮36的轴52的固定齿轮38之间的第二同步器接合套50在接合时将行星架与太阳齿轮连接。于是行星齿轮组30被锁定，且其所有元件以相同速度旋转。
行星架40的固定驱动齿轮42与固定从动齿轮44啮合，固定从动齿轮44连接到第二中间轴46，其上安装有第二固定输出齿轮48。第二输出齿轮48与输出差速器20的齿圈18啮合。
这使得当第二同步器接合套50接合时，内燃机34能够直接驱动车辆的驱动轮22。于是内燃机34和驱动轮22之间的连接产生由两个连续啮合齿轮组定义的齿轮传动比，产生小的减速。此传动比是最长的传动比，其用于带有良好效率的高车辆速度，因为其仅仅采用仅仅包括两对啮合齿轮的机械传动装置。
固定到轴52的齿轮38与固定到泵轴62的从动齿轮60啮合，泵轴62永久性地连接到具有可变排量的液压泵64。
当第二同步器接合套50脱离时，行星齿轮组30通过将行星架40施加的第一扭矩输送到输出差速器20，并将太阳齿轮36施加的第二扭矩输送到泵64，来起到分配内燃机34扭矩的差速器的功能。
泵64和液压机2连接到高压蓄能器和低压蓄能器，它们构成能量储备。
太阳齿轮36轴52的固定驱动齿轮38和固定到泵轴62的从动齿轮60构成减速，其在此范例中使泵64的旋转速度减少的比值为2.2。以此方式，当内燃机34以3000转/分的速度旋转且第二同步器接合套50接合时，泵64以1364转/分的速度旋转。
随后，为了弥补速度的减小并达到实质上相当的机械功率，泵64的排量增加。以此方式，得到不那么有噪声的泵64。
通过对不同供应商提供的多个液压泵(具有平行于轴线设置的柱塞)的一系列测试，建立了一种数学关系以估计这些机器的声级：
20xlog10(速度rev/min)+3xlog10(排量cm3)+K＝声级dBa；
其中，根据该液压机的技术，常数K在5和15之间。
在实践中，对于一种液压泵，其具有17cm3容量且以3000rev/min的速度旋转，常数K＝9.8，以此数学计算方法得到的声级是83dBa。对于安装在根据本发明的传动装置1(包括2.2减速比)中的具有31cm3排量的相同类型的泵，得到的声级是77dBa，即减小大约6dBa。
注意到泵64的排量被乘以稍小于2的数值，该数值接近驱动该泵64的齿轮的减速比。由于泵64的损失与其排量不成比例，此泵的机械功率和其性能类似于有减小的排量和更高速度的原始泵的机械功率和其性能。
使用类似的计算方法从而预测噪声级，可以减小包括径向柱塞的液压机2的速度以降低噪声。
总之，此计算方法以一种简单的方式，以带有轴向柱塞的液压机的排量和旋转速度为函数，对液压机的声级提供良好估计，且可以被用于计算驱动该机器所需的减速比。

Claims (10)

1.一种用于估计噪声级的方法，所述噪声级是安装于液压混合动力机动车辆的传动装置中的带有轴向柱塞的液压机的噪声级，所述传动装置包括能够起到差速器功能的行星齿轮组(30)，所述行星齿轮组(30)包括连接到燃烧发动机(34)的第一元件(32)、连接到驱动轮(22)的第二元件(40)和连接到液压泵(64)的第三元件(36)，所述传动装置(1)还包括用于通过液压机(2)将扭矩输送到所述驱动轮的机构(8)，且所述行星齿轮组(30)的所述第三元件(36)和所述液压泵(64)之间的连接包括减速器(38、60)，在所述行星齿轮组的所有元件以相同速度运转时，所述减速器(38、60)相对于所述燃烧发动机(34)的速度减小所述泵的旋转速度，获知所述液压机的旋转速度和排量，所述方法用于估计所述液压机的噪声级，其特征在于，所述方法通过以下类型的公式计算所述噪声级：
Xxlog10(速度rev/min)+Yxlog10(排量cm3)+K＝声级dBA；
常数K取决于所述液压机所用的技术。
2.如权利要求1所述的用于估计噪声级的方法，其特征在于，值“X”实质上等于二十，且“Y”值实质上等于三。
3.如权利要求1或2所述的用于估计噪声级的方法，其特征在于，常数“K”在五和十五之间。
4.一种用于液压混合动力机动车辆的传动装置，所述传动装置包括能够起到差速器功能的行星齿轮组(30)，所述行星齿轮组(30)包括连接到燃烧发动机(34)的第一元件(32)、连接到驱动轮(22)的第二元件(40)和连接到液压泵(64)的第三元件(36)，所述传动装置(1)还包括用于通过液压机(2)驱动所述驱动轮的机构(8)，且所述行星齿轮组(30)的所述第三元件(36)和所述液压泵(64)之间的连接包括减速器(38、60)，在所述行星齿轮组的所有元件以相同速度运转时，所述减速器(38、60)相对于所述燃烧发动机(34)速度减小所述泵的旋转速度，所述传动装置的特征在于，减小的值对应于由权利要求1、2或3所述的方法测得的液压机(2)的噪声级。
5.如权利要求4所述的传动装置，其特征在于，所述减速器包括构成所述减速器的输入轴和输出轴的两个平行轴(52、62)。
6.如权利要求5所述的传动装置，其特征在于，所述减速器的直接连接到所述行星齿轮组(30)第三元件(36)的输入轴(52)承载齿轮(38)，所述齿轮(38)与直接连接到所述泵(64)的轴(62)所承载的齿轮(60)啮合，这个齿轮对给出减速比。
7.如权利要求4到6中任意一项所述的传动装置，其特征在于，所述减速比大约为2.2。
8.如权利要求4到7中任意一项所述的传动装置，其特征在于，所述行星齿轮组(30)的所述第一元件是外齿圈(32)，所述第二元件是行星架(40)，且所述第三元件是太阳齿轮(36)。
9.如前述权利要求中任意一项所述的传动装置，其特征在于，所述行星齿轮组(30)包括锁定机构(50)。
10.一种混合动力机动车辆，装配有传动装置(1)，所述传动装置包括连接到燃烧发动机(34)和连接到液压泵(64)的行星齿轮组(30)，其特征在于，所述传动装置根据权利要求4到9中任意一项所述的传动装置来构造。
CN201480028200.6A 2013-05-16 2014-04-30 包括由减速器联接到泵的行星齿轮组的用于液压混合动力车辆的传动装置 Expired - Fee Related CN105209795B (zh)

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