Invention Grant
US08448895B2 Gas turbine engine compressor arrangement 有权
燃气涡轮发动机压缩机布置

Gas turbine engine compressor arrangement
Abstract:
A gas turbine engine includes a fan section and a low spool that includes a low pressure compressor section. The low pressure compressor section includes eight (8) or less stages. A high spool includes a high pressure compressor section that has between eight to fifteen (8-15) stages. An overall compressor pressure ratio is provided by the combination of the low pressure compressor section and the high pressure compressor. A gear train is defined along an engine centerline axis. The low spool is operable to drive the fan section through the gear train.
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