Patent ID: 11952949
Assignee: RTX CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 16:
17. An assembly for an aircraft propulsion system, comprising:
a carrier;
a first gear system including a sun gear, a first ring gear and a plurality of first intermediate gears between and meshed with the sun gear and the first ring gear, and each of the plurality of first intermediate gears rotatably mounted to the carrier;
a second gear system including a second ring gear and a plurality of second intermediate gears meshed with the second ring gear, and each of the plurality of second intermediate gears rotatably mounted to the carrier; and
a lock device configured to unlock rotation of the second ring gear about an axis during a first mode, and the lock device configured to lock rotation of the second ring gear about the axis during a second mode;
wherein each of the plurality of second intermediate gears is rotationally fixed to a respective one of the plurality of first intermediate gears.