A gas turbine engine (20) includes a core engine (22), a fan section, and a superposition gearbox (42) that includes a sun gear (74). A plurality of intermediate gears (76) are engaged to the sun gear (74) and supported in a carrier (78) and a ring gear (80) circumscribing the intermediate gears (76). The core engine (72) drives the sun gear (74) and an output from the superposition gearbox (42) driving the fan section. An electric motor (66) is coupled to a portion of the superposition gearbox (42) to provide a portion of power to drive the fan section through the superposition gearbox (42).
HYBRID ELECTRIC PROPULSION WITH SUPERPOSITION GEARBOX
HYBRIDER ELEKTROANTRIEB MIT ÜBERLAGERUNGSGETRIEBE
PROPULSION ÉLECTRIQUE HYBRIDE AVEC BOÎTE DE VITESSES À SUPERPOSITION
2022-04-06
Patent
Electronic Resource
English
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