Gas turbine engine failure detection system

Details Gas turbine engine failure detection system Gas turbine engine failure detection system

1993-12-22

1995-05-02

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including destructible, fusible, or deformable non-reusable...

415 14, 415118, 25022715, F01D 2106

Patent

active

054113644

ABSTRACT:
An electro optic sensor for sensing unwanted axial motion of the turbine of a gas turbine engine away from its normal position, includes a pair of fiber optic wave guides interconnected through a frangible member disposed axially adjacent the turbine rotor. Upon axial movement of the rotor away from its normal position, the frangible element is broken to open the optical circuit associated with the guides. Associated electronic circuitry generates an output signal indicative of failure of the gas turbine rotor.

REFERENCES:
patent: 1575993 (1926-03-01), Johnson
patent: 3050939 (1962-08-01), Morley
patent: 3159166 (1964-12-01), Luedemann et al.
patent: 3164368 (1965-01-01), Klein
patent: 3591308 (1971-07-01), Blattner et al.
patent: 3612710 (1971-10-01), Mount
patent: 3989408 (1976-11-01), Jaegtnes

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