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    • 1. 发明公开
    • ANTI-ROTATION KNIFE EDGE SEALS AND GAS TURBINE ENGINES INCLUDING THE SAME
    • GASTURBINENMOTOREN DAMIT的VERDREHSICHERE MESSERKANTENVERSIEGELUNGEN
    • EP3103966A1
    • 2016-12-14
    • EP16174064.2
    • 2016-06-10
    • United Technologies Corporation
    • ANGLIN, Christopher T.BRIAN YUEN, Yuk-Kwan
    • F01D11/00F01D5/02
    • F01D11/00F01D5/025F01D11/001F05D2220/32F05D2240/55F05D2260/30F16J15/16
    • Anti-rotation knife edge seals (200) and gas turbine engines (120) including the same are provided. The anti-rotation knife-edge seal (200) includes a first end portion (206) having at least one knife edge (216), an opposing second end portion (208) including an outside peripheral edge (222) having a nut anti-rotation feature (226) and an inside peripheral edge (224) having a shaft anti-rotation feature (228), and an intermediate portion (210) extending between the first end portion (206) and the opposing second end portion (208). The first end portion (206), the opposing second end portion (208), and the intermediate portion (210) form a one-piece annular seal member (211). A method is also provided for substantially preventing rotation of a stack nut (202) against an adjacent rotatable component (204).
    • 提供了防旋转刀刃密封件(200)和包括其的燃气涡轮发动机(120)。 防旋转刀刃密封件(200)包括具有至少一个刀刃(216)的第一端部(206),包括外周边缘(222)的相对的第二端部(208) 旋转特征(226)和具有轴防旋转特征(228)的内周边缘(224)以及在所述第一端部(206)和所述相对的第二端部(208)之间延伸的中间部分(210)。 第一端部(206),相对的第二端部(208)和中间部分(210)形成一体的环形密封件(211)。 还提供了一种用于基本上防止堆叠螺母(202)相对于相邻的可旋转部件(204)旋转的方法。