Example systems, methods, and apparatus are disclosed herein. Disclosed systems include a superconducting (SC) motor to power a propulsor of an aircraft and a liquid hydrogen (LH2) subcooling system including a primary flowline fluidly coupled to a cooling...

An electric power conversion system (300) comprising: an alternating current (AC) source (302) comprising a plurality of AC terminals (306) for conducting AC power; a voltage source (334) electrically coupled to the AC terminals (306); and a controller (80...

A governor of an integrated drive generator includes a housing (38), and a rotating sleeve extending at least partially through a housing opening in the housing (38). The rotating sleeve is configured to rotate about a sleeve axis. A gear (78) is secured t...

The present disclosure relates to a fuel cell system (100) comprising a fuel cell (110), a fuel tank (130), a fuel distribution pipe (135) fluidly connecting the fuel tank (130) with a fuel inlet (116) of the fuel cell (110), a shroud (137) surrounding at ...

An expansion tank system (2) for a liquid cooling system (54) is proposed, comprising a first chamber (30) for receiving a coolant, the first chamber (30) having a first coolant port (8), a second chamber (30) for storing a pressurized gas, a first gas con...

A propulsion assembly for an aircraft, having a T-shaped chassis with a horizontal structure and a vertical structure, a gearbox fastened to a front of the chassis, and a propulsion system having the following propulsion elements: an electric motor driving...