Patent ID: 7661271
Filing Date: 2010-02-16
Classification: F02C,F05D,Y02T

Abstract:
1. An integrated electric gas turbine, comprising: a compressor comprising a plurality of separately controllable rotating rings of cascaded airfoils; an electric motor integrated with the compressor and arranged to drive the compressor; a combustor arranged to receive compressed air from the compressor and further arranged to receive a fuel input such that combustion occurs in the combustor and produces combustion gases for driving a turbine; a turbine arranged to receive the combustion gases from the combustor, the turbine comprising a plurality of separately rotating rings of cascaded turbine airfoils, the plurality of separately rotating rings of cascaded turbine airfoils not connected by a shaft to the plurality of separately controllable rotating rings of cascaded airfoils of the compressor; a generator that is integrated with the turbine and arranged to provide a power output; and a controller connected between the generator and the electric motor, the controller arranged to receive the portion of the power output from the generator and to direct a the portion of the power output from the generator to the electric motor.