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GAS TURBINE BLADE AND PLATFORM ELEMENT FOR A GAS-TURBINE BLADE RING, SUPPORTING STRUCTURE FOR FASTENING IT, GAS-TURBINE BLADE RING AND ITS USE
GAS TURBINE BLADE AND PLATFORM ELEMENT FOR A GAS-TURBINE BLADE RING, SUPPORTING STRUCTURE FOR FASTENING IT, GAS-TURBINE BLADE RING AND ITS USE
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机译:燃气轮机叶片环的燃气轮机叶片和平台元件,支撑其的支撑结构,燃气轮机叶片环及其使用
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摘要
The invention relates to a gas turbine blade or vane ring having a supporting structure and gas turbine blades or vanes secured to it. The gas turbine blades or vanes have a blade or vane root, which is successively adjoined by a platform and then a blade profile which is curved in the longitudinal direction, the blade or vane root running in the longitudinal direction of the blade profile, and the platform having two platform longitudinal edges which are bent parallel and run in the longitudinal direction. To provide an alternative gas turbine blade or vane ring with simplified assembly, it is proposed that the blade or vane root be shaped in such a manner that the suction-side or pressure-side blade or vane root surface of the associated platform longitudinal edge be curved convexly or concavely, respectively. Moreover, the invention relates to the use of a gas turbine blade or vane ring of this type.
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