Patent ID: 7937945

Claim:
A combined-cycle engine comprising: a turbine engine including: a drive shaft housing a piston; a piston housed within the drive shaft; an impeller pump vane mounted on the drive shaft for movement therewith; a first impeller mounted on the drive shaft for movement therewith; a second impeller mounted on the drive shaft for movement therewith; a combustion mediating hub located between the second impeller and the first impeller and mounted on the drive shaft for movement in both a clockwise and counter-clockwise direction with respect to the drive shaft, the combustion mediating hub including an annular plate, a first plurality of blades mounted on a first surface of the annular plate and facing the second impeller and a second plurality of blades mounted on a second, opposing surface of annular plate and facing the first impeller; a first combustion chamber located at a first end of the drive shaft and in communication with a first end of the piston; a second combustion chamber located at a second end of the drive shaft and in communication with a second end of the piston; and a ramjet engine within a housing, wherein the turbine engine includes a path for air from the impeller pump vane to the housing of the ramjet engine.