An aircraft propulsion system for an aircraft having a nacelle that includes a pylon structure is provided. The system includes compressor and turbine sections, an IC engine, a fan, and an IC engine cooling system. The compressor section is powered by a first electric motor. The turbine section is configured to power a first electric generator configured to produce electrical power. The first fan is rotationally driven by a second electric motor. The fan has a hub and a plurality of fan blades extending radially outward from the hub. The hub is disposed in the pylon interior region and the fan blades are configured to extend outside of the pylon structure. The fan is positioned downstream of the compressor section. The IC engine cooling system has a heat exchanger and a pump configured to provide coolant communication between the IC engine and the heat exchanger.

A combustion management device for generating a thrust burst to impart a physical impulse. In operation, a combustion chamber, defined by a valve unit (33), is primed to a set pressure and fueled by fuel injectors (23). An ignitor (22) then initiates combustion. Under force of combustion, the valve unit is moved, pulling an exhaust valve (18) from an exhaust port (16), releasing combustion products as thrust. Work may be derived from the travel of the valve unit, independent of the thrust generated. After combustion, a return mechanism returns the valve unit to the start position, ready to repeat the process. Simple design, and valve operations needing little more than pressure differentials to function, make for simplified construction, and more modular applications.

A system is provided for an aircraft. This aircraft system includes a nacelle, an aircraft component, an aircraft propulsion system and an electric compressor. The aircraft component is arranged outside of the nacelle. The aircraft propulsion system includes a propulsor rotor and a powerplant configured to drive rotation of the propulsor rotor. The powerplant is housed within the nacelle. The electric compressor is housed within the nacelle and is fluidly discrete from the powerplant. The electric compressor is fluidly coupled with and is configured to provide compressed air to the aircraft component.

A system is provided for an aircraft. This aircraft system includes a nacelle, an aircraft component, an aircraft propulsion system and an electric compressor. The aircraft component is arranged outside of the nacelle. The aircraft propulsion system includes a propulsor rotor and a powerplant configured to drive rotation of the propulsor rotor. The powerplant is housed within the nacelle. The electric compressor is housed within the nacelle and is fluidly discrete from the powerplant. The electric compressor is fluidly coupled with and is configured to provide compressed air to the aircraft component.