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COMPRESSOR BLEED COOLING SYSTEM FOR MID-FRAME TORQUE DISCS DOWNSTREAM FROM A COMPRESSOR ASSEMBLY IN A GAS TURBINE ENGINE
COMPRESSOR BLEED COOLING SYSTEM FOR MID-FRAME TORQUE DISCS DOWNSTREAM FROM A COMPRESSOR ASSEMBLY IN A GAS TURBINE ENGINE
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机译:燃气轮机发动机压气机组件中脉向下盘流的压气机冷却系统
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摘要
A cooling system configured to cool aspects of the turbine engine between a compressor and a turbine assembly is disclosed. In at least one embodiment, the cooling system may include one or more mid-frame cooling channels extending from an inlet through one or more mid-frame torque discs positioned downstream of the compressor and upstream of the turbine assembly. The inlet may be positioned to receive compressor bleed air. The mid-frame cooling channel may be positioned in a radially outer portion of the mid-frame torque disc to provide cooling to outer aspects of the mid-frame torque disc such that conventional, low cost materials may be used to form the mid-frame torque disc rather than high cost materials with capacity to withstand higher temperatures. The cooling fluid routed through the mid-frame cooling channel in the mid-frame torque disc may be exhausted into a cooling system (10) for the downstream turbine assembly.
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