B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
188/12
B64C 11/48 (2006.01) B64C 11/32 (2006.01)
Patent
CA 1250534
BRAKE FOR COUNTER ROTATING BLADED MEMBERS Abstract of the Disclosure: In an aircraft propulsion system including a gas turbine engine driving a pair of counter rotating bladed members through a planetary gear set, a brake for simultaneously retarding rotation of both bladed members after engine shut-down includes a pair of concentric transfer shafts each rotatably connected to separate elements of the planetary gear set, a pair of friction plates supported on respective ones of the transfer shafts for rotation therewith, a plurality of non-rotatable reaction members between the friction plates, and a single actuator selectively operable to compress the stack of friction plates and reaction members to simultaneously retard rotation of both transfer shafts and thereby simultaneously retard rotation of and eventually simultaneously stop both of the counter rotating bladed members.
501136
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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