Planetary gearbox for gas turbine engine
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United States of America Patent
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Jul 5, 2022
Grant Date -
Jul 29, 2021
app pub date -
Mar 27, 2020
filing date -
Jan 28, 2020
priority date (Note) -
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Abstract
An aircraft includes first and second engines, one or more aircraft rotors associated with the first and second engines, a first epicyclic gearbox having: a) an output operatively connected at least one of the one or more aircraft rotors, and b) an input defined by a sun gear of the first epicyclic gearbox; and a second epicyclic gearbox having: a) an output operatively connected to at least one of the one or more aircraft rotors, and b) an input defined by a sun gear of the second epicyclic gearbox. Output of the first epicyclic gearbox is defined by the carrier. Output of the second epicyclic gearbox is defined by its ring gear. A multi-engine aircraft and a method of operating a multi-engine aircraft are also described.
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