Split cam braking system
    1.
    发明授权

    公开(公告)号:US11753145B2

    公开(公告)日:2023-09-12

    申请号:US17452485

    申请日:2021-10-27

    CPC classification number: B64C13/32 F16D41/00 F16H2035/005

    Abstract: A system and method for preventing back-drive in a braking system for a rotary actuator. The braking system comprises a housing and split cam design. A driving cam located within the housing is associated with an upstream side of the braking system. The driving cam is configured to rotate when a torque is applied to the upstream side. The braking system has a wedging cam and a plurality of cylindrical rollers. The wedging cam located within the housing and is associated with a downstream side of the braking system. The wedging cam is configured to react and prevent back-drive motion when torque is applied to the downstream side. The plurality of cylindrical rollers is positioned between the wedging cam and the housing. The plurality of cylindrical rollers is configured to wedge between a surface of the wedging cam and the housing when the torque is applied to the downstream side.

    LINEAR ACTUATOR
    6.
    发明申请
    LINEAR ACTUATOR 有权
    线性执行器

    公开(公告)号:US20140033842A1

    公开(公告)日:2014-02-06

    申请号:US13567304

    申请日:2012-08-06

    Abstract: A linear actuator is provided. In one embodiment, the actuator includes a motor, a gearbox, and a linear actuation device. The motor serves as a primary input to provide a rotational input to the gearbox, which generates a corresponding rotational output. The linear actuation device converts the rotational output of the gearbox into a linear motion for driving a load in a linear direction. The actuator includes an override system as a secondary input. The override system may be operated to drive the gearbox in the event that the motor becomes non-operational. Anti-back-driving devices may be provided to prevent back-driving of the motor and of the override system. In the context of a resource extraction system, the motor may be an electric motor powered by subsea electronic control system. Additional systems, devices, and methods are also disclosed.

    Abstract translation: 提供线性致动器。 在一个实施例中,致动器包括马达,齿轮箱和线性致动装置。 电动机用作主输入,以向齿轮箱提供旋转输入,其产生相应的旋转输出。 线性致动装置将齿轮箱的旋转输出转换成线性运动,以在线性方向上驱动负载。 致动器包括作为次级输入的超控系统。 在电动机变得不可操作的情况下,超控系统可以被操作以驱动变速箱。 可以提供防反驱动装置以防止马达和超控系统的反向驱动。 在资源提取系统的上下文中,电动机可以是由海底电子控制系统供电的电动机。 还公开了附加的系统,装置和方法。

    Rotary Actuator
    7.
    发明申请
    Rotary Actuator 有权
    旋转执行器

    公开(公告)号:US20110021307A1

    公开(公告)日:2011-01-27

    申请号:US12840614

    申请日:2010-07-21

    CPC classification number: F16H57/10 F16H1/28 F16H2001/2872 F16H2035/005

    Abstract: A rotary actuator comprises a planetary gear assembly having a sun gear, a drive input, and a drive transmission arrangement whereby rotary drive is transmitted between the drive input and the sun gear, wherein the drive transmission arrangement incorporates a brake device operable to apply a braking load to the sun gear in the event that the torque applied to the drive transmission arrangement in at least a first rotary direction exceeds a predetermined level.

    Abstract translation: 旋转致动器包括具有太阳齿轮,驱动输入和驱动传动装置的行星齿轮组件,其中旋转驱动器在驱动输入和太阳齿轮之间传递,其中驱动传动装置包括可操作以施加制动的制动装置 在驱动传动装置的至少第一旋转方向施加的扭矩超过预定水平的情况下,负载到太阳齿轮。

    NO-BACK DEVICE
    9.
    发明申请
    NO-BACK DEVICE 有权
    无背装置

    公开(公告)号:US20030205442A9

    公开(公告)日:2003-11-06

    申请号:US10087669

    申请日:2002-03-02

    CPC classification number: B64C13/28 F16H25/2454 F16H2035/005 Y10T74/19702

    Abstract: A no-back device for an actuator having a screw shaft extending along an axis and a brake element fixed for rotation with the shaft and extending laterally of the axis, the no-back device comprising a rotary ratchet member and a rotary friction member mounted for limited axial movement within a recess defined by a housing, and defining at least one path for passing fluid through the recess, the no-back device further comprising peripherally extending diversion means disposed between an outer periphery of the friction member and an inwardly facing peripheral surface of the housing whereby, in use, fluid passing through the recess is diverted away from the inwardly facing peripheral surface of the housing and across a laterally extending surface of the friction member.

    Abstract translation: 一种用于具有沿着轴线延伸的螺旋轴的致动器的无背装置和固定用于与所述轴一起旋转并且横向于轴线延伸的制动元件,所述无返回装置包括旋转棘轮构件和旋转摩擦构件,所述旋转摩擦构件安装为 在由壳体限定的凹部内限定的轴向运动,并且限定用于使流体通过凹部的至少一个路径,所述无返回装置还包括设置在摩擦构件的外周边之间的周向延伸的分流装置和面向内的周向表面 在使用中,通过凹槽的流体转移离开壳体的面向内的外周表面并横过摩擦构件的横向延伸的表面。

    No-back device
    10.
    发明申请
    No-back device 有权
    无背装置

    公开(公告)号:US20020121421A1

    公开(公告)日:2002-09-05

    申请号:US10087669

    申请日:2001-03-02

    CPC classification number: B64C13/28 F16H25/2454 F16H2035/005 Y10T74/19702

    Abstract: A no-back device for an actuator having a screw shaft extending along an axis and a brake element fixed for rotation with the shaft and extending laterally of the axis, the no-back device comprising a rotary ratchet member and a rotary friction member mounted for limited axial movement within a recess defined by a housing, and defining at least one path for passing fluid through the recess, the no-back device further comprising peripherally extending diversion means disposed between an outer periphery of the friction member and an inwardly facing peripheral surface of the housing whereby, in use, fluid passing through the recess is diverted away from the inwardly facing peripheral surface of the housing and across a laterally extending surface of the friction member.

    Abstract translation: 一种用于具有沿着轴线延伸的螺旋轴的致动器的无背装置和固定用于与所述轴一起旋转并且横向于轴线延伸的制动元件,所述无返回装置包括旋转棘轮构件和旋转摩擦构件,所述旋转摩擦构件安装为 在由壳体限定的凹部内限定的轴向运动,并且限定用于使流体通过凹部的至少一个路径,所述无返回装置还包括设置在摩擦构件的外周边之间的周向延伸的分流装置和面向内的周向表面 在使用中,通过凹槽的流体转移离开壳体的面向内的外周表面并横过摩擦构件的横向延伸的表面。

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