Silicon carbide composition for turbine blade tips
    1.
    发明授权
    Silicon carbide composition for turbine blade tips 有权
    用于涡轮叶片尖端的碳化硅组合物

    公开(公告)号:US5997248A

    公开(公告)日:1999-12-07

    申请号:US204182

    申请日:1998-12-03

    CPC分类号: F01D11/12 Y10T428/2993

    摘要: A granular composition is applied to tips of rotor blades utilized in a gas turbine engine wherein the blade tips rub against an abradable ceramic layer. Individual grains each have a core of silicon carbide and a layer of aluminum nitride on the core. A layer of a cladding metal may be bonded to the aluminum nitride. The composition also may include particles of cubic boron nitride and/or particles of metal alloy blended with the grains of silicon carbide.

    摘要翻译: 将颗粒组合物应用于在燃气涡轮发动机中使用的转子叶片的尖端,其中叶片尖端摩擦耐磨陶瓷层。 单个晶粒各自具有碳化硅芯和芯上的氮化铝层。 包覆金属的层可以结合到氮化铝。 组合物还可以包括与碳化硅颗粒共混的立方氮化硼颗粒和/或金属合金颗粒。

    Seabed well influx control system
    2.
    发明授权
    Seabed well influx control system 有权
    海底井涌控制系统

    公开(公告)号:US09080427B2

    公开(公告)日:2015-07-14

    申请号:US13483713

    申请日:2012-05-30

    摘要: Apparatuses useable in an offshore drilling installation close to the seabed for controlling well influx within a wellbore are provided. An apparatus includes a centralizer and flow constrictor assembly, a sensor and a controller. The centralizer and flow constrictor assembly are configured to centralize a drill string within a drill riser and regulate a return mud flow. The sensor is located close to the centralizer and flow constrictor assembly and configured to acquire values of at least one parameter related to the return mud flow. The controller is coupled to the centralizer and flow constrictor assembly and the sensor. The controller is configured to control the centralizer and flow constrictor assembly to achieve a value of a control parameter close to a predetermined value, based on the values acquired by the sensor.

    摘要翻译: 提供了在靠近海床的海上钻井设备中可用于控制井筒内的井涌入的装置。 一种装置包括一个扶正器和流动收缩装置,一个传感器和一个控制器。 扶正器和流动收缩器组件被构造成将钻柱集中在钻井立管内并调节返回泥浆流。 传感器位于靠近中心器和流量收缩器组件并被配置为获取至少一个与返回泥浆流相关的参数的值。 控制器耦合到扶正器和流量收缩器组件和传感器。 控制器被配置为基于由传感器获取的值来控制中心器和流量缩合器组件以实现接近预定值的控制参数的值。

    METHOD AND APPARATUS FOR LUBRICATING A SCREW PUMP SYSTEM
    4.
    发明申请
    METHOD AND APPARATUS FOR LUBRICATING A SCREW PUMP SYSTEM 审中-公开
    用于润滑螺杆泵系统的方法和装置

    公开(公告)号:US20100278672A1

    公开(公告)日:2010-11-04

    申请号:US12433490

    申请日:2009-04-30

    IPC分类号: F04C15/00 F04C2/14

    摘要: A pump system includes inlet chambers, an outlet chamber, and rotors disposed inside the inlet chambers and the outlet chamber to pump a process fluid from the inlet chambers to the outlet chamber and to direct the process fluid to a separator. A gear chamber is configured to receive a portion of the process fluid from the separator. First and second sets of pump bearings are coupled to the rotors and lubricated by the portion of the process fluid flowing from the gear chamber. A conduit is configured to direct the portion of the process fluid from the pump bearings back to the gear chamber. Some of the portion of the process fluid lubricating the pump bearings is permitted to leak to the inlet chambers. Additional process fluid is continually added to the portion of the process fluid to compensate for fluid leaking to the inlet chambers.

    摘要翻译: 泵系统包括入口室,出口室和设置在入口室和出口室内的转子,以将过程流体从入口室泵送到出口室并将过程流体引导到分离器。 齿轮室构造成从分离器接收一部分过程流体。 第一和第二组泵轴承联接到转子上,并由从齿轮室流出的过程流体的一部分润滑。 导管构造成将来自泵轴承的过程流体的一部分引导回到齿轮室。 润滑泵轴承的过程流体的一部分允许泄漏到入口室。 另外的过程流体被不断地添加到过程流体的一部分中,以补偿流体泄漏到入口室。

    METHOD AND APPARATUS FOR REDUCING PARTICLES IN A SCREW PUMP LUBRICANT
    5.
    发明申请
    METHOD AND APPARATUS FOR REDUCING PARTICLES IN A SCREW PUMP LUBRICANT 审中-公开
    用于减少螺旋泵润滑剂中的颗粒的方法和装置

    公开(公告)号:US20100278671A1

    公开(公告)日:2010-11-04

    申请号:US12433441

    申请日:2009-04-30

    IPC分类号: F04C29/02 F04C2/16 B23P11/00

    摘要: A screw pump system has a plurality of rotors disposed inside a pump casing. Each rotor comprises a shaft and a set of threads disposed on the shaft configured to mesh with at least one other set of threads. A plurality of bearings are coupled to each end of each of the rotors. A plurality of gears are coupled to an end of each of the rotors. The gears are configured to reduce a size of particulates in a lubrication fluid by flowing the particulates through the rotating gears. The gears may serve as timing gears for the rotors as well as perform pumping of the lubrication fluid.

    摘要翻译: 螺杆泵系统具有设置在泵壳内的多个转子。 每个转子包括轴和设置在轴上的一组螺纹,其被构造成与至少一个其它组的螺纹啮合。 多个轴承联接到每个转子的每个端部。 多个齿轮联接到每个转子的端部。 齿轮构造成通过使微粒流过旋转齿轮来减小润滑流体中的微粒的尺寸。 这些齿轮可以用作转子的定时齿轮,以及执行润滑流体的泵送。

    Rotary machine sealing assembly
    9.
    发明授权
    Rotary machine sealing assembly 有权
    旋转机密封组件

    公开(公告)号:US06969231B2

    公开(公告)日:2005-11-29

    申请号:US10248259

    申请日:2002-12-31

    摘要: A sealing assembly for disposition in a rotary machine is disposed between a rotary component and a stationary component of the rotary machine. The sealing assembly includes at least one sealing strip affixed by caulking to one of the rotary and stationary components. An abradable portion is disposed on another of the rotary and stationary components and is positioned radially opposite to the at least one sealing strip. The abradable portion includes a thermal spray coated material, and the thermal spray coated material includes Cobalt, Nickel, Chromium, Aluminum, Yttrium (CoNiCrAlY) and further includes a material selected from the group consisting of hexagonal boron nitride, a thermoset polymer, and combinations thereof.

    摘要翻译: 用于设置在旋转机器中的密封组件设置在旋转机器的旋转部件和固定部件之间。 密封组件包括至少一个通过铆接固定到旋转部件和固定部件之一的密封条。 可磨损部分设置在另一个旋转和静止部件上,并且被定位成与至少一个密封条的径向相对。 可磨损部分包括热喷涂材料,热喷涂材料包括钴,镍,铬,铝,钇(CoNiCrAlY),并且还包括选自六方氮化硼,热固性聚合物和组合的材料 其中。