发明申请
US20120171018A1 GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT 有权
燃气涡轮发动机压缩机装置

GAS TURBINE ENGINE COMPRESSOR ARRANGEMENT
摘要:
A gas turbine engine includes a fan section, a gear arrangement configured to drive the fan section, a compressor section and a turbine section. The compressor section includes a low pressure compressor section and a high pressure compressor section. The turbine section is configured to drive compressor section and the gear arrangement. An overall pressure ratio, which is provided by a combination of a pressure ratio across said low pressure compressor section and a pressure ratio across said high pressure compressor section, is greater than about 35. The pressure ratio across the low pressure compressor section is between about 3 and about 8 whereas the pressure ratio across the high pressure compressor section is between about 7 and about 15.
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