ELECTRIC TRACTION DRIVES
    5.
    发明申请

    公开(公告)号:US20170163138A1

    公开(公告)日:2017-06-08

    申请号:US15436471

    申请日:2017-02-17

    发明人: Brad P. Pohl

    摘要: Inventive embodiments are directed to components, subassemblies, systems, and/or methods for electric traction drives employing a continuously variable transmission (CVT) having a variator provided with a plurality of tilting traction planets and opposing traction rings. In one embodiment, an electric traction drive is provided with an electromotive device configured to transfer power to or from a traction sun of a CVT. In other embodiments, an electric traction drive is provided with an electromotive device that couples to certain components of a CVT such as a traction ring, a carrier assembly, and a main axle. Various inventive shifting assemblies having shift cams and shift cam cages can be used to facilitate adjusting the transmission speed ratio of a CVT. Various related devices include embodiments of, for example, a power input apparatus, a speed ratio shifter, a shift cam actuator, a shift nut, and a carrier assembly configured to support the tilting traction planets.

    Preload and Torsional Backlash Management for a Continuously Variable Transmission Device
    6.
    发明申请
    Preload and Torsional Backlash Management for a Continuously Variable Transmission Device 有权
    用于连续可变传动装置的预紧和扭转间隙管理

    公开(公告)号:US20160230859A1

    公开(公告)日:2016-08-11

    申请号:US14620031

    申请日:2015-02-11

    IPC分类号: F16H15/50 F16H61/664

    CPC分类号: F16H61/6649 F16H15/50

    摘要: A radially inner race for a continuously variable transmission includes a first inner race structure and a second inner race structure spaced along an axis wherein at least one of the first inner race structure or the second inner race structure is axially movable. A sun shaft is coupled to the radially inner race and planetary members in rolling contact with the radially inner race, and a torsion damping mechanism is coupled to the first inner race structure to apply torque between the first inner race structure and the sun shaft to reduce a transition amplitude during a torque impulse.

    摘要翻译: 用于无级变速器的径向内圈包括第一内圈结构和沿轴线间隔开的第二内圈结构,其中第一内圈结构或第二内圈结构中的至少一个可轴向移动。 太阳轴联接到径向内圈和与径向内圈滚动接触的行星构件,并且扭转阻尼机构联接到第一内圈结构以在第一内圈结构和太阳轴之间施加扭矩以减小 在转矩脉冲期间的转变幅度。

    Continuously variable transmission
    8.
    发明授权
    Continuously variable transmission 有权
    连续可变传动

    公开(公告)号:US09291251B2

    公开(公告)日:2016-03-22

    申请号:US14541875

    申请日:2014-11-14

    摘要: Components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT) are provided. In one embodiment, a CVT has a number of spherical planets in contact with an idler assembly. Various idler assemblies can be used to facilitate to improve durability, fatigue life, and efficiency of a CVT. In one embodiment, the idler assembly has two rolling elements having contact surfaces that are angled with respect to a longitudinal axis of the CVT. In some embodiments, a bearing is operably coupled between the first and second rolling elements. The bearing is configured to balance axial force between the first and second rolling elements. In one embodiment, the bearing is a ball bearing. In another embodiment, the bearing is an angular contact bearing. In yet other embodiments, needle roller bearings are employed.

    摘要翻译: 提供了用于无级变速器(CVT)的组件,子组件,系统和/或方法。 在一个实施例中,CVT具有与惰轮组件接触的多个球形行星。 可以使用各种惰轮组件来促进CVT的耐用性,疲劳寿命和效率。 在一个实施例中,惰轮组件具有两个滚动元件,其具有相对于CVT的纵向轴线成角度的接触表面。 在一些实施例中,轴承可操作地联接在第一和第二滚动元件之间。 轴承构造成平衡第一和第二滚动元件之间的轴向力。 在一个实施例中,轴承是球轴承。 在另一个实施例中,轴承是角接触轴承。 在其它实施例中,采用滚针轴承。

    Continuously variable transmission with differential controlling assemblies
    9.
    发明授权
    Continuously variable transmission with differential controlling assemblies 有权
    带差动控制组件的连续可变变速箱

    公开(公告)号:US09133918B2

    公开(公告)日:2015-09-15

    申请号:US13803815

    申请日:2013-03-14

    摘要: A continuously variable transmission that includes an input assembly, an output assembly, an input/output planetary ratio assembly and a torque feedback control is provided. The input assembly is coupled to receive input rotational motion. The output assembly is rotationally coupled to a load. The input/output planetary ratio assembly sets an input to output speed ratio. The input/output ratio assembly has a first portion that is in rotational communication with the input assembly and a second portion that is in rotational communication with the output assembly. The torque feedback control assembly provides an axial load force in response to a torque of a load coupled to the output assembly. A differential assembly sets the input to output speed ratio of the input/output planetary ratio assembly based at least in part on an axial load force of the torque feedback control assembly.

    摘要翻译: 提供了包括输入组件,输出组件,输入/输出行星比组件和扭矩反馈控制的无级变速器。 输入组件被耦合以接收输入旋转运动。 输出组件旋转地耦合到负载。 输入/输出行星比组合设定输入与输出速度比。 输入/输出比组件具有与输入组件旋转连通的第一部分和与输出组件旋转连通的第二部分。 扭矩反馈控制组件响应于耦合到输出组件的负载的扭矩而提供轴向负载力。 差动组件至少部分地基于扭矩反馈控制组件的轴向载荷力来设定输入/输出行星比组件的输入与输出速度比。

    CONTINUOUSLY VARIABLE TRANSMISSION
    10.
    发明申请
    CONTINUOUSLY VARIABLE TRANSMISSION 审中-公开
    连续可变传输

    公开(公告)号:US20150080165A1

    公开(公告)日:2015-03-19

    申请号:US14550702

    申请日:2014-11-21

    IPC分类号: F16H61/664 F16H15/50

    摘要: Inventions are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one aspect, a control system is adapted to facilitate a change in the ratio of a CVT. A control system includes a control reference nut coupled to a feedback cam and operably coupled to a skew cam. In some cases, the skew cam is configured to interact with carrier plates of a CVT. Various inventive feedback cams and skew cams can be used to facilitate shifting the ratio of a CVT. In some transmissions described, the planet subassemblies include legs configured to cooperate with the carrier plates. In some cases, a neutralizer assembly is operably coupled to the carrier plates. A shift cam and a traction sun are adapted to cooperate with other components of the CVT to support operation and/or functionality of the CVT. Among other things, shift control interfaces for a CVT are described.

    摘要翻译: 发明涉及用于无级变速器(CVT)的组件,子组件,系统和/或方法。 在一个方面,控制系统适于促进CVT比率的变化。 控制系统包括联接到反馈凸轮并可操作地连接到偏斜凸轮的控制参考螺母。 在一些情况下,偏斜凸轮配置成与CVT的载板相互作用。 可以使用各种创造性的反馈凸轮和偏斜凸轮来促进CVT的比率的移动。 在所描述的一些变速器中,行星组件包括构造成与承载板协作的腿部。 在一些情况下,中和器组件可操作地联接到承载板。 变速凸轮和牵引太阳适于与CVT的其他部件配合以支持CVT的操作和/或功能。 其中描述了CVT的换档控制界面。