Ducted fan gas turbine engine

Details Ducted fan gas turbine engine Ducted fan gas turbine engine

1998-03-04

2000-06-13

Casaregola, Louis J.

Power plants

Reaction motor

With destruction sensing and preventing means

602261, 415 9, 416 2, F02C 700

Patent

active

060734396

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. An annular 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: 4201513 (1980-05-01), Sales
patent: 4452567 (1984-06-01), Treby et al.
patent: 5433584 (1995-07-01), Amin et al.

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