CN110077210A - 用于电动车辆的传动系设计 - Google Patents

用于电动车辆的传动系设计 Download PDF

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CN110077210A
CN110077210A CN201811653025.6A CN201811653025A CN110077210A CN 110077210 A CN110077210 A CN 110077210A CN 201811653025 A CN201811653025 A CN 201811653025A CN 110077210 A CN110077210 A CN 110077210A
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barrier
baffle
rotor
powertrain device
flow
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P·J·弗朗西斯
L·A·普瑞彻德
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BorgWarner Inc
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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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • 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
    • F16H37/0806—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 a plurality of driving or driven shafts
    • F16H37/0813—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 a plurality of driving or driven shafts with only one input shaft
    • F16H37/082—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 a plurality of driving or driven shafts with only one input shaft and additional planetary reduction 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0483—Axle or inter-axle differentials
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • General Details Of Gearings (AREA)

Abstract

一种用于电动汽车乘用车的横向安装马达的动力传动系装置，包括：用于为两个平行安装的轮提供动力的相对的轮轴，该轴围绕第一轴线旋转，轴具有至少一个与差速器扭转连接的端部；通过行星齿轮系与轮轴扭转连接的电动转子；围绕转子的电动定子；支撑转子和轮轴的壳体，壳体包围定子，壳体具有形成润滑剂储存器的底板；和位于润滑油储存器中的挡板，该挡板具有通常横向于第一轴线的屏障，并且至少一个屏障具有允许流体在屏障下方连通的下窗口。

Description

用于电动车辆的传动系设计
技术领域
本发明涉及混合动力电动车辆和电动车辆。
背景技术
为减少碳排放、降低对进口油的依赖，人们提出了用于混合动力电动车辆和电动车辆的各种设计。为了提高机械效率，用于混合动力电动车辆和电动车辆的多种设计在车辆内横向安装有马达或马达发电机(下文使用的术语“马达”即指马达或马达发电机)。通常情况下，马达通过某种类型的齿轮系连接到车轮，该齿轮系包括差速器。齿轮系和差速器需要油润滑。油润滑系统通常包括储存器，该储存器通常被称为油底壳。
为使移动车辆所需的能量最小化，多数车辆尝试通过降低车辆的空间包络线来使得车辆向前移动时空气阻力最小化。然而，为了离地间隙，期望车辆的底板和车辆动力装置的底板的位置尽可能地高。此外，期望混合动力电动车辆或电动车辆的动力装置和动力传动系尽可能小以帮助补偿车辆电池的空间要求。为了帮助最小化空间要求，通常将车辆的马达放置在将马达或电动发电机与车轮连接的动力传动系的同一壳体内。壳体内的润滑剂液位应足够低，使得润滑剂不会进入马达的转子和转子周围的定子之间的气隙。通常，它的实现是通过将油底壳策略性地放置在定子下方并且其体积足够确保油不会达到接近定子和转子之间的气隙的液位。然而，如前所述，希望油底壳尽可能浅，以提供更好的车辆离地间隙。在车辆的正常运动中，容易满足上述约束。然而，当车辆处于高速转弯时，壳体内的流体被加速到车辆的外侧面。横向加速度可以使流体上升到其可以到达马达转子和定子之间的气隙的液位。希望提供一种用于电动汽车乘用车的横向安装马达的装置，其中由于转弯操纵引起的流体加速被限制达到其可以进入转子和定子之间的气隙的液位而不受限于深油底壳设计的配置。还希望提供上述车辆装置，其中当车辆在完成转弯操纵时，流体的加速不允许流体润滑泵入口缺油。
发明内容
为了说明上述和其他有益的期望，提出了本发明。在优选实施例中，本发明赋予用于电动汽车乘用车辆的横向安装马达的动力传动系装置的自由度，包括用于为两个平行安装的轮提供动力的相对的轮轴，轮轴绕第一轴线旋转。轮轴具有至少一个与差速器扭转连接的端部。电动转子通过行星齿轮系与轮轴扭转连接。电动定子围绕转子。提供支撑转子和轮轴的壳体。壳体包围定子，壳体具有形成润滑剂储存器的底板。挡板位于储存器中，挡板具有通常横向于第一轴线的屏障，并且至少一个屏障具有允许流体在屏障下方连通的下窗口。
根据下文提供的详细描述，本发明的其他应用领域将变得显而易见。应当理解，详细描述和具体实施例虽然示出了本发明的优选实施方案，但仅用于说明目的，并不意图限制本发明的范围。
附图说明
从详细说明和附图中将更全面地理解本发明，其中：
图1是本发明的动力传动系装置的优选实施例的剖视图，为清楚起见，移除了挡板；
图2是类似于图1的视图，示出了由于图1中所示的车辆的转弯操纵引起的润滑油流体的加速；
图3是类似于图1的视图，示出了由于图1中所示的车辆的转弯操纵引起的润滑油流体的加速；
图4是图1的动力传动系装置的透视图；
图5是图1的动力传动系装置的局部侧视图，为清楚起见，移除了挡板；
图6是图1中所示的动力传动系装置的截面透视图；
图7是图1中所示的动力传动系装置的侧视图，示出了挡板，其中部分滑油泵过滤系统为清楚起见而未示出；
图8是图7中所示挡板的透视图；
图9是另一个优选实施例挡板的俯视平面图；
图10是沿图9中10-10线截取的视图；
图11是另一个优选实施例挡板的前视平面图；
图12是沿图11中12-12线截取的视图；
图13是另一个优选实施例挡板的俯视平面图；
图14是沿图13中14-14线截取的视图；
图15是沿图13中15-15线截取的视图；
图16是另一个优选实施例挡板；
图17是沿图16中17-17线截取的视图；
图18是另一个优选实施例挡板；以及
图19是沿图18的19-19线截取的视图。
具体实施方式
以下对优选实施例的描述本质上仅是示例性的，决不是要限制本发明、其应用或用途。
参照图1至图6，提供了用于电动汽车乘用车的横向安装的马达的动力传动系装置的优选实施例(在下文中使用的术语“马达”另外指电动发电机，并且术语“电动车辆”另外指混合动力电动车辆)。装置7具有相对的轮轴14和16。平行安装的轮10和12分别由轮轴14和16提供动力并分别连接到轮轴14和16。轮轴14和16绕第一轴线18旋转。轮轴14和16各自具有与差速器20扭转连接的端部。
差速器20与行星齿轮组托架22固定地或整体地连接。托架22安装有三个托架销24(图1中仅示出一个)。托架齿轮26可旋转地安装在托架销24上，托架齿轮26与环形齿轮28啮合。端部托架齿轮26与行星齿轮32可固定地连接并由其提供动力。三个行星齿轮32(图1中仅示出一个)由太阳齿轮34接合。太阳齿轮34与中空轴38一体或固定连接。中空轴38在与差速器20相对的端部处与转子轴40扭转连接。转子轴40与磁体部分42连接。磁体部分42是转子组件的一部分。磁体部分包括由薄钢板与磁铁组合制成的叠层。环绕磁体部分42的是线圈绕组定子组件46。定子组件由金属叠层和线圈绕组制成。在转子磁体部分和定子组件线圈绕组46之间存在气隙48。
差速器20由滚子轴承54支撑。轴承54支撑在右中心壁60上。轴承56支撑转子轴40的右侧。在左侧是支撑壳体62。支撑壳体62具有轴承64以支撑转子轴40的左侧。驻车制动齿轮70与轴38固定连接。驻车制动器闩锁臂74(图5)选择性地与驻车制动齿轮齿76接合，以将车辆置于驻车档。提供润滑剂过滤器壳体78，其具有从壳体85的底板84帮助过滤器壳体支腿82的进口80。壳体底板84形成润滑剂储存区域或油底壳的底板。底板84朝向壳体85的过滤器壳体78端部略微倾斜。底板84的倾斜度优选为1至2度。优选地，壳体底板84将位于距转子18一定距离处，该距离等于或小于转子直径的三分之二。
为了防止由于转弯或其他操纵导致的车辆横向加速导致油沿着图2和图3中所示的线上升，提供了挡板100。油上升过度会暂时使润滑油泵入口80缺油。此外，油上升过度可能会污染马达的部件。挡板100具有一系列大致平行的空间屏障104，大致横向于第一轴线18。大多数屏障104(如果不是所有的)沿其下端具有一系列用作油运移通道的新月形窗口106。挡板100还可以具有大致与第一轴线18平行的多个屏障108。壳体85的外侧边缘110上的屏障104可以扭曲以与壳体的侧边缘87匹配。挡板100可以滑入壳体85中。在操作中，润滑油被挡板横向约束，并且由于横向加速度引起的油位上升量被限制为确保泵入口80不会缺油并且马达的部件不被润滑油污染。
在图9和10所示的示例中，挡板200在斜面上具有横向屏障202，该斜面朝向车辆的纵向中心线205，壳体85被放置在该车辆中(换句话说，车辆乘客侧上的横向屏障202从底部到顶部向车辆的驾驶员侧倾斜，反之亦然)。屏障202具有窗口203。
如图11和12所示，另一个优选实施例的屏障具有涡轮形横向屏障217。屏障217在所有三个几何轴线上是曲线的，使得由于车辆的横向加速而导致加速进入横向屏障217的流体沿着矢量219被分开。矢量219具有向上的水平流动分量221，横向流动分量223和反向流动分量225。可以改变给定挡板的各种横向屏障的流动矢量，以提供流体运动的最大阻尼。
图13-15提供了另一个实施例挡板300，其具有从底板延伸的横向屏障301，该横向屏障301具有正弦曲线形状。挡板还具有一系列交替的正弦曲线形状的屏障303，其从挡板的顶板或从定子组件的底部延伸。屏障301在正弦曲线形状的顶点307(沿轴线18)之间具有窗口305。横向屏障301和303上方的上下流动309和通过窗户305的流动313在车辆转弯时抑制横向流动的加速。
参照图16和17，横向屏障401形成具有单个或多个入口403的壁。止动件405通过弹簧407柔性定位并偏离入口403，以通过弹簧407限制通过入口403的流量。流体加速导致的流体压力使得止动件405被推向入口403并限制其间通过的流量。当车辆离开弯道时，弹簧407将使止动件返回以允许油自由流过入口403。
参考图18和19，屏障501具有入口503。枢轴挡板507覆盖入口503。枢轴挡板507由杠杆509上的配重511偏置打开，杠杆509与挡板507扭转连接。屏障501的操作方式与屏障401类似。
本发明的描述本质上仅是示例性的，因此，不脱离本发明要旨的变型旨在落入本发明的范围内。不应将这些变型视为脱离本发明的精神和保护范围。

Claims (10)

1.一种用于电动汽车乘用车的横向安装马达的动力传动系装置，包括：
相对的轮轴，其用于为两个平行安装的轮提供动力，所述轴绕第一轴线旋转，所述轴具有至少一个与差速器扭转连接的端部；
电动转子，其通过行星齿轮系与所述轮轴扭转连接；
电动定子，其围绕所述转子；
壳体，其支撑所述转子和所述轮轴，所述壳体包围所述定子，所述壳体具有形成润滑剂储存器的底板；
挡板，其位于所述润滑剂储存器中，所述挡板具有通常横向于所述第一轴线的屏障，并且多个所述屏障具有允许流体在所述屏障下方连通的下窗口；并且
其中所述转子具有第一直径，并且所述壳体底板与所述第一轴线间隔开，间隔的距离等于或小于所述转子的所述直径的67％。
2.如权利要求1所述的动力传动系装置，其中，所述挡板还具有大致平行于所述第一轴线的屏障。
3.如权利要求1所述的动力传动系装置，其中，所述挡板的横向屏障是呈曲线设置的，用于分开在远离所述屏障的方向上流向所述屏障的流量，所述方向取自一组向上、反向和横向流动方向中的一个或多个。
4.如权利要求1所述的动力传动系装置，其中，所述挡板具有屏障，所述屏障交替从天花板向下延伸和从地板延伸。
5.如权利要求1所述的动力传动系装置，其中，所述挡板的屏障具有正弦曲线形状。
6.如权利要求5所述的动力传动系装置，其中，所述挡板的下部和上部屏障具有正弦曲线形状。
7.如权利要求5所述的动力传动系装置，其中，所述屏障在所述屏障的正弦曲线形状的顶点之间具有窗口。
8.如权利要求1所述的动力传动系装置，其中，所述屏障形成具有入口的壁，所述入口允许流量流过所述壁，并且其中流体压力的增加限制流过所述壁的流量。
9.如权利要求8所述的动力传动系装置，其中，所述入口通过一组柔性加载或配重加载中的至少一种来偏置。
10.如权利要求1所述的动力传动系装置，其中，所述屏障形成壁，所述壁具有允许流量流过所述壁的入口，并且其中所述入口限制流体在加速时流过所述入口的流量。
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