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    • 10. 发明申请
    • INDUCTIVE APPARATUS AND METHOD FOR MEASURING COMPRESSOR BLADE TIP CLEARANCE IN A GAS TURBINE ENGINE
    • 用于测量气体涡轮发动机中压缩机叶片间隙的电感装置和方法
    • WO2005073667A1
    • 2005-08-11
    • PCT/US2005/003036
    • 2005-01-27
    • SIEMENS CORPORATE RESEARCH, INC.GENC, YakupZHANG, Xiang
    • GENC, YakupZHANG, Xiang
    • G01B7/14
    • G01B7/14F01D11/08F01D21/003F01D21/04
    • An apparatus and a method for measuring the clearance between the blade tips of the compressor blades of a rotatable compressor assembly and the housing in which the compressor assembly is mounted in a gas turbine engine are disclosed. The apparatus includes an inductive proximity sensor disposed in the housing and positioned in close proximity to but not touching the blade tips of the compressor blades of the compressor assembly. The inductive proximity sensor is adapted to generate a magnetic field and to sense changes in the magnetic field as the compressor assembly is rotated and the blade tips are sequentially brought into close proximity to the inductive proximity sensor. The inductive proximity sensor is mounted in one or more alignment ports defined in the housing of the gas turbine engine. A device displays the clearance between the inductive proximity sensor and the blade tips of the compressor blades of the rotatable compressor assembly.
    • 公开了一种用于测量可旋转压缩机组件的压缩机叶片的叶片尖端与其中压缩机组件安装在燃气涡轮发动机中的壳体之间的间隙的装置和方法。 该设备包括设置在壳体中并且紧邻但不接触压缩机组件的压缩机叶片的叶片尖端的电感式接近传感器。 感应式接近传感器适于产生磁场并且当压缩机组件旋转并且叶片尖端顺序地靠近感应式接近传感器时感测磁场中的变化。 感应式接近传感器安装在限定在燃气涡轮发动机壳体中的一个或多个对准端口中。 设备显示电感式接近传感器与可旋转压缩机组件的压缩机叶片的叶片尖端之间的间隙。