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    • 21. 发明申请
    • Active Rotor Alignment Control System And Method
    • 主动转子对准控制系统及方法
    • US20100296912A1
    • 2010-11-25
    • US12470952
    • 2009-05-22
    • Martel Alexander McCallumParvangada Ganapathy BojappaDavid August Snider
    • Martel Alexander McCallumParvangada Ganapathy BojappaDavid August Snider
    • F01D11/22
    • F01D25/162F01D11/22F01D21/045
    • A rotating machine, such as a gas turbine, includes an active rotor alignment clearance control system wherein a plurality of actuators are circumferentially spaced around at least one rotor shaft bearing. The actuators are configured to eccentrically displace the bearing, and thus the rotor shaft, relative to stationary outer casing structure. A plurality of sensors are circumferentially spaced around a component of the casing structure, such as an inner shroud, and measure a parameter indicative of an eccentricity, such as blade tip clearance between the rotor blades and the structure, as the rotor rotates within the structure. A control system in communication with the sensors and actuators is configured to control the actuators to eccentrically displace the rotor by moving the shaft bearing to compensate for eccentricities detected between the rotor and casing structure.
    • 诸如燃气轮机的旋转机器包括主动转子对准间隙控制系统,其中多个致动器围绕至少一个转子轴轴承周向隔开。 致动器构造成相对于静止的外壳结构偏心地使轴承和转子轴偏移。 多个传感器围绕诸如内护罩的壳体结构的部件周向间隔开,并且当转子在结构内旋转时,测量指示偏心的参数,例如转子叶片和结构之间的叶片顶端间隙 。 与传感器和致动器连通的控制系统被配置为通过移动轴承来补偿致动器偏心地移动转子,以补偿在转子和壳体结构之间检测到的偏心。