Patent ID: 11912424
Assignee: ARCHER AVIATION, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  F  H  Y | IPC B  F

Claim 0:
1. An electric engine for an aircraft, comprising:
an electric motor assembly including a stator and a rotor;
an inverter assembly;
a gearbox assembly including:
a sun gear;

a main shaft including a length of the main shaft that extends from a first end of the main shaft through the gearbox assembly and through the electric motor assembly to a second end of the main shaft;
a bearing including an inner race mechanically coupled to the main shaft and an outer race mechanically coupled to the rotor, wherein the bearing is mechanically coupled to a shaft flange assembly configured to rotate with the shaft, wherein the shaft flange assembly is mechanically coupled to the main shaft; and
a hydrodynamic bearing located between the main shaft and the sun gear.