Invention Grant
US09567914B2 Easily adaptable compressor bleed system downstream of a vane platform 有权
易于适应的压缩机排放系统在叶片平台的下游

Easily adaptable compressor bleed system downstream of a vane platform
Abstract:
Discrete bleed behind stator vane platform is provided. The discrete bleed behind stator vane platform relates to a system for bleeding off a working fluid from an inner volume (Vi) of a turbo-machine. The system includes a vane carrier with an annular rail and a vane device comprising at least one vane element, a vane platform and a vane root. The vane element is mounted to the vane platform and the vane root is mounted to the annular rail. A first annular cavity is formed between the vane platform and the annular rail, wherein an annular gap is formed between an edge of the vane platform and the vane carrier such that a part of the working fluid of the turbo-machine is bleedable through the annular gap into the first annular cavity. A second annular cavity is formed between the vane root, the annular rail and the vane carrier, wherein at least one inlet hole is formed into the annular rail for coupling the first annular cavity and the second annular cavity.
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