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Variable flow capacity gas turbine engine for improved part load fuel economy
Variable flow capacity gas turbine engine for improved part load fuel economy
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机译:可变流量的燃气涡轮发动机,可改善部分负荷的燃油经济性
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摘要
A gas turbine engine includes a compressor having a plurality of fixed diffuser passages therein each including a gate and associated cam ring control means for operating each of the gates either open or closed to vary the gas flow through the compressor diffuser for turbine engine control; the gas turbine engine further includes a turbine section having a plurality of turbine nozzle passages each having a separate gate therein selectively operated under the control of cam ring means to vary the amount of motive fluid to the turbine in accordance with desired engine operation and wherein each of the gates are operative with respect to either the diffuser or the nozzle passages to change the area of gas flow therethrough by blocking some or all of the channels without resultant change in incident angle of the gas flow with respect to the inlet of each of the passages.
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