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    • 3. 发明授权
    • Methods and systems for calculating steam turbine radial clearance
    • 计算汽轮机径向游隙的方法和系统
    • US06868363B2
    • 2005-03-15
    • US10341779
    • 2003-01-14
    • Robert Gerard BaranGene David PalmerJohn Cleland LavashNorman Douglas Lathrop
    • Robert Gerard BaranGene David PalmerJohn Cleland LavashNorman Douglas Lathrop
    • G01B5/28G06F15/00G06F17/50
    • G06F17/5018G06F2217/04
    • A method and a system for determining radial clearances in a rotating machine are provided. The rotating machine includes at least one shell, at least one rotor, and at least one stationary component. The method includes creating a finite element model for at least one component within the rotating machine, creating a cycle deck data file for the rotating machine, determining an initial clearance versus time, and determining an initial clearance versus location. The system includes a client system including a browser, a centralized database for storing machine information, and a server system configured to be coupled to the client system and the database wherein the server system is further configured to receive machine information from the client system, store finite element model information in the centralized database, track machine information, update the centralized database periodically with newly received machine information to maintain machine information, and provide machine information in response to an inquiry.
    • 提供了一种用于确定旋转机器中的径向间隙的方法和系统。 旋转机器包括至少一个壳体,至少一个转子和至少一个固定部件。 该方法包括为旋转机器内的至少一个部件创建有限元模型,为旋转机器创建循环卡片数据文件,确定初始间隙相对于时间,以及确定初始间隙对位置。 该系统包括客户端系统,包括浏览器,用于存储机器信息的集中式数据库,以及配置为耦合到客户端系统和数据库的服务器系统,其中服务器系统还被配置为从客户端系统接收机器信息,存储 中心数据库中的有限元模型信息,跟踪机器信息,定期更新集中式数据库,新收到的机器信息,以维护机器信息,并提供机器信息以响应查询。
    • 4. 发明授权
    • Apparatus and methods for balancing turbine rotors
    • 涡轮转子平衡装置和方法
    • US06481969B2
    • 2002-11-19
    • US09309046
    • 1999-05-10
    • Robert Randolph BerryGene David Palmer
    • Robert Randolph BerryGene David Palmer
    • F01D500
    • F01D5/027F16F15/34Y10S416/50
    • Dovetail-shaped grooves are formed in the axial faces and circumferential rims of wheels and spacers forming a rotor body. Complementary-shaped balance weights are inserted through entry apertures in the grooves and circumferentially aligned into adjusted balanced positions. Fasteners are threaded through the weights to engage in slots at circumferentially spaced positions along ribs projecting from the bases of the grooves. By threading the fastener into the slot and staking the fastener to the balance weight, the metal of the rotary component is not upset or deformed, with the result that the potential for development of cracks in the rotary component is substantially reduced.
    • 在形成转子体的车轮和间隔件的轴向面和周向轮缘上形成有蝶形槽。 互补平衡重通过凹槽中的进入孔插入并沿圆周对准到调节的平衡位置。 紧固件穿过重物以沿着从凹槽的基部突出的肋沿圆周间隔的位置接合狭槽。 通过将紧固件穿入狭槽并将紧固件固定在平衡重上,旋转部件的金属不会发生歪曲或变形,从而显着降低了旋转部件中的裂纹发展的可能性。