Ducted fan gas turbine engine with fan shaft frangible connectio

Details Ducted fan gas turbine engine with fan shaft frangible connectio Ducted fan gas turbine engine with fan shaft frangible connectio

1998-03-18

2000-06-27

Kim, Ted

Power plants

Reaction motor

Interrelated reaction motors

60 39091, 415 9, 416 2, 416170R, F01D 2516, F01D 502

Patent

active

060792000

ABSTRACT:
A ducted fan gas turbine engine is provided with a fan which is carried by a shaft. Frangible fuse pins maintain the shaft carrying the fan coaxial with the engine longitudinal axis. In the event of severe fan damage, the fuse pins fracture and the fan shaft orbits about the engine longitudinal axis. A spoked resilient member is provided to exert a radially inward restoration force upon the fan shaft following such an event in order to reduce vibration.

REFERENCES:
patent: 3395857 (1968-08-01), Petrie
patent: 4201513 (1980-05-01), Sales
patent: 4302062 (1981-11-01), Hunter, Jr.
patent: 4452567 (1984-06-01), Treby et al.
patent: 4475869 (1984-10-01), Davies

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