Patent ID: 8555612
Filing Date: 2013-10-15
Classification: F23C,F23R

Abstract:
1. A method for starting a gas turbine engine, comprising: (a) providing an engine including a compressor, a combustor including a wave rotor having a plurality of passageways and a turbine; (b) rotating the wave rotor; (c) fueling at least a portion of the plurality passageways; (d) combusting the fuel within the plurality of passageways to form a flow of exhaust gas; (e) discharging at least a portion of the exhaust gas from the wave rotor and delivering to a bladed rotor within the turbine; (f) rotating the bladed rotor within the turbine with exhaust gas from said discharging; (g) repeating acts (a)-(f) to bring the compressor and turbine up to an operating condition; providing an independent drive operative coupled with the wave rotor; and wherein at least a portion of said rotating occurring through the independent drive; which further includes supporting the wave rotor with electromagnetic forces, and wherein the at least a portion of said rotating includes controlling the electromagnetic forces to cause said rotating.