会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Low Torque Gate Valve Mechanism
    • 低扭矩闸阀机构
    • US20080217569A1
    • 2008-09-11
    • US12042199
    • 2008-03-04
    • David Holliday
    • David Holliday
    • F16K3/30
    • F16K3/0254F16K31/50Y10T137/0391
    • A gate valve apparatus provides a manually operated gate valve with an operation mechanism that reduces the force required to actuate the gate valve and minimizes the number of handwheel turns required. Disclosed is a gate valve apparatus including a valve body, a bonnet, a gate, a ball screw arrangement, a gear reducer arrangement and a handwheel. The ball screw arrangement, gear reducer arrangement, and the handwheel are associated with the valve stem and gate such that rotational force applied to the handwheel is converted by the gear reducer arrangement and the ball screw arrangement into linear force applied to the valve stem and then to the gate.
    • 闸阀装置提供一种具有操作机构的手动操作的闸阀,该操作机构减小了致动闸阀所需的力并使所需的手轮转数减到最小。 公开了一种闸阀装置,其包括阀体,阀盖,闸门,滚珠丝杠装置,齿轮减速器装置和手轮。 滚珠丝杠装置,齿轮减速器装置和手轮与阀杆和闸门相关联,使得施加到手轮的旋转力由齿轮减速器装置和滚珠丝杠装置转换成施加到阀杆的线性力,然后 到门口
    • 6. 发明申请
    • Gate Valve Actuator
    • 闸阀致动器
    • US20080083891A1
    • 2008-04-10
    • US11865416
    • 2007-10-01
    • David Holliday
    • David Holliday
    • F16K3/02F16K31/122
    • F16K31/1221F16K3/0254
    • A gate valve actuator including an housing, a piston, a lower end closure, and a piston cylinder end cap. The piston is situated within the housing, and the lower end closure connects the housing and the piston. The piston cylinder end cap also connects the housing and the piston. The housing, the piston, the lower end closure, and the end cap define a main actuator cavity. The connection between the lower end closure and the piston and the connection between the piston cylinder end cap and the piston are sealable connections. The main actuator cavity is substantially isolated from ambient air and from a control fluid, which prevents moisture build-up and hence prevents corrosion of the internal components of the actuator.
    • 一种闸阀致动器,包括壳体,活塞,下端盖和活塞气缸端盖。 活塞位于壳体内,下端盖连接壳体和活塞。 活塞气缸端盖还连接壳体和活塞。 壳体,活塞,下端盖和端盖限定主致动器腔。 下端盖与活塞之间的连接以及活塞气缸端盖与活塞之间的连接是可密封的连接。 主致动器空腔基本上与环境空气和控制流体隔离,控制流体防止水分积聚并因此防止致动器的内部部件的腐蚀。
    • 8. 发明申请
    • Fire resistant valve assemblies
    • 防火阀组件
    • US20050156131A1
    • 2005-07-21
    • US11034045
    • 2005-01-12
    • David Holliday
    • David Holliday
    • F16K3/02F16K3/00
    • F16K3/0209F16K3/0254
    • A gate valve assembly having: a flowway; a cavity intersecting the flowway; a slab gate movable within the cavity between an open position, a closed position, and a relief position such that the open position allows fluid flow through the flowway, the closed position restricts fluid flow through the flowway, and the relief position allows fluid flow between the cavity and the flowway; a stem in mechanical communication with the slab gate so as to move the slab gate between the open position and the closed position; a retainer in mechanical communication with the slab gate so as to control movement of the slab gate between the closed position and the relief position, the retainer changing from a solid to one of a liquid or gas in the presence of heat; and a biaser of the slab gate toward the relief position.
    • 一种闸阀组件,具有:流道; 与流道相交的空腔; 一个平板门可以在空腔内在打开位置,关闭位置和释放位置之间移动,使得打开位置允许流体流过流道,关闭位置限制流体流过流道,并且释放位置允许流体在 空腔和流道; 与板门机械连通的杆,以便在打开位置和关闭位置之间移动平板门; 与所述平板浇口机械连通的保持器,以便控制所述板浇口在所述关闭位置和所述浮雕位置之间的运动,所述保持器在存在热的情况下从固体变为液体或气体之一; 并且平板门的偏移朝向浮雕位置。