Patent ID: 11891899
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A dual-engine system of an aircraft comprising at least one main engine, the dual-engine system comprising:
a sustainer engine;
a booster engine configured to augment a power output of the sustainer engine;
a gearbox coupled to the sustainer engine and the booster engine, wherein an output of the gearbox is configured to selectively combine the power output of the sustainer engine with a power output of the booster engine;
a shaft driven to rotate through the gearbox as a propulsion output based on the power output of the sustainer engine as selectively combined with the power output of the booster engine within the gearbox; and
a controller configured to control operation of either or both of the sustainer engine and the booster engine based on determining whether one or more operating conditions have a power demand beyond an output capability of the sustainer engine and determining the power demand is beyond the output capability of the sustainer engine and operating both the sustainer engine and the booster engine to meet the power demand.