Power plants – Reaction motor – Interrelated reaction motors
Patent
1996-12-17
1999-02-09
Thorpe, Timothy
Power plants
Reaction motor
Interrelated reaction motors
602261, 60261, F02K 302, F02K 310
Patent
active
058679804
ABSTRACT:
A multiple bypass turbofan engine includes a core Brayton Cycle gas generator with a fuel rich burning combustor and is provided with a variable supercharged bypass duct around the gas generator with a supercharging means in the supercharged bypass duct powered by a turbine not mechanically connected to the gas generator. The engine further includes a low pressure turbine driven forward fan upstream and forward of an aft fan and drivingly connected to a low pressure turbine by a low pressure shaft, the low pressure turbine being aft of and in serial flow communication with the core gas generator. A fan bypass duct is disposed radially outward of the core engine assembly and has first and second inlets disposed between the forward and aft fans. An inlet duct having an annular duct wall is disposed radially inward of the bypass duct and connects the second inlet to the bypass duct. A supercharger means for compressing air is drivingly connected to the low pressure turbine and is disposed in the inlet duct. A secondary combustor or augmentor is disposed in an exhaust duct downstream of and in fluid flow communication with the bypass duct and the gas generator.
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General Electric Company
Hess Andrew C.
Kim Ted
Thorpe Timothy
Young Rodney M.
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