Regeneration Valve for a Hydraulic Circuit
    1.
    发明申请
    Regeneration Valve for a Hydraulic Circuit 审中-公开
    液压回路再生阀

    公开(公告)号:US20140026546A1

    公开(公告)日:2014-01-30

    申请号:US13557817

    申请日:2012-07-25

    IPC分类号: F16K27/02 F15B13/00

    摘要: A regeneration valve for a hydraulic circuit may include a valve element for controlling flow between first, second, and third ports. The valve element may be formed with a flow slot that generates a slot flow force when hydraulic fluid flows therethrough. The flow slot may be configured so that a predetermined fluid low rate may generate a slot flow force sufficient to actuate the valve element from a first position to a second position. In the second position, the valve element may divert a portion of flow from the second port to the first port is diverted to the third port. The flow slot may be configured so that the fluid exits the slot at an exit angle that varies as the valve element moves between first and second positions, thereby to provide a more uniform flow force across the range of travel of the valve element.

    摘要翻译: 用于液压回路的再生阀可以包括用于控制第一,第二和第三端口之间的流动的阀元件。 阀元件可以形成有流动槽,当液压流体流过其时产生槽流动力。 流槽可以被配置成使得预定的流体低速率可以产生足以将阀元件从第一位置驱动到第二位置的槽流动力。 在第二位置,阀元件可以将来自第二端口的流动的一部分转向第一端口被转向第三端口。 流动槽可以被配置成使得流体以随着阀元件在第一和第二位置之间移动而变化的出口角度离开槽,从而在阀元件的行程范围内提供更均匀的流动力。

    Hydraulic control system having energy recovery
    7.
    发明授权
    Hydraulic control system having energy recovery 有权
    具有能量回收的液压控制系统

    公开(公告)号:US08997479B2

    公开(公告)日:2015-04-07

    申请号:US13458701

    申请日:2012-04-27

    IPC分类号: F15B11/02 E02F9/22 F15B11/024

    摘要: A hydraulic control system is disclosed for use with a machine. The hydraulic control system may have a pump, a tank, and an actuator. The hydraulic control system may also have at least a first valve configured to control fluid flow between the pump, the tank, a first chamber of the actuator, and a second chamber of the actuator; a second valve fluidly disposed between the second chamber and the tank; and a third valve fluidly disposed between the first and second chambers. The hydraulic control system may further have a controller configured to selectively cause the second valve to block fluid flow from the second chamber of the actuator to the tank, and to selectively cause the third valve to fluidly communicate the first and second chambers of the actuator when the second valve blocks fluid flow from the second chamber of the actuator to the tank.

    摘要翻译: 公开了一种用于机器的液压控制系统。 液压控制系统可以具有泵,罐和致动器。 液压控制系统还可以具有至少第一阀,其构造成控制泵,罐,致动器的第一室和致动器的第二室之间的流体流动; 流体地设置在所述第二室和所述罐之间的第二阀; 以及流体地设置在所述第一和第二室之间的第三阀。 液压控制系统还可以具有控制器,该控制器被配置为选择性地使第二阀阻挡流体从致动器的第二室流向罐,并且当第一阀和第二阀门的第一和第二腔室进行流体连通时, 第二阀阻止流体从致动器的第二腔流向罐。

    HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY
    9.
    发明申请
    HYDRAULIC CONTROL SYSTEM HAVING ENERGY RECOVERY 有权
    具有能源回收的液压控制系统

    公开(公告)号:US20130283777A1

    公开(公告)日:2013-10-31

    申请号:US13458701

    申请日:2012-04-27

    IPC分类号: F16D31/02

    摘要: A hydraulic control system is disclosed for use with a machine. The hydraulic control system may have a pump, a tank, and an actuator. The hydraulic control system may also have at least a first valve configured to control fluid flow between the pump, the tank, a first chamber of the actuator, and a second chamber of the actuator; a second valve fluidly disposed between the second chamber and the tank; and a third valve fluidly disposed between the first and second chambers. The hydraulic control system may further have a controller configured to selectively cause the second valve to block fluid flow from the second chamber of the actuator to the tank, and to selectively cause the third valve to fluidly communicate the first and second chambers of the actuator when the second valve blocks fluid flow from the second chamber of the actuator to the tank.

    摘要翻译: 公开了一种用于机器的液压控制系统。 液压控制系统可以具有泵,罐和致动器。 液压控制系统还可以具有至少第一阀,其构造成控制泵,罐,致动器的第一室和致动器的第二室之间的流体流动; 流体地设置在所述第二室和所述罐之间的第二阀; 以及流体地设置在所述第一和第二室之间的第三阀。 液压控制系统还可以具有控制器,该控制器被配置为选择性地使第二阀阻挡流体从致动器的第二室流向罐,并且当第一阀和第二阀门的第一和第二腔室进行流体连通时, 第二阀阻止流体从致动器的第二腔流向罐。