US Patent 11927136 Turbofan engine with precooler

A gas turbine engine includes a core engine, including a compressor section, a combustor section and a turbine section positioned within a core flow path of the gas turbine engine; a bypass splitter positioned radially outward of the core engine and configured to house the compressor section, the combustor section and the turbine section; a bypass duct positioned radially outward of the bypass splitter; a fan section positioned axially upstream of the compressor section, the fan section including a fan and an inlet cone positioned upstream of the fan; an inlet duct configured to house the fan section; an inlet precooler disposed within the inlet duct; and a heat exchange system configured to provide a cooling fluid to the inlet precooler.