F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 21/04 (2006.01) F01D 17/02 (2006.01)
Patent
CA 2177592
An electro optic sensor (22) for sensing unwanted axial motion of the turbine (14) of a gas turbine engine away from its normal position, includes a pair of fiber optic waveguides (40, 42) interconnected through a frangible member (29) disposed axially adjacent the turbine rotor (14). Upon axial movement of the rotor (14) away from its normal position, the frangible element (29) is broken to open the optical circuit associated with the guides. Associated electronic circuitry (34) generates an output signal indicative of failure of the gas turbine rotor.
Un capteur électro-optique (22) destiné à détecter le mouvement axial anormal de la turbine (14) d'un moteur à turbine à gaz, à l'opposé de sa position normale, comprend une paire de guides d'onde (40, 42) à fibres optiques interconnectées par un élément cassant (29) adjacent axialement au rotor (14) de la turbine. Lors d'un mouvement axial du rotor (14) à l'opposé de sa position normale, l'élément cassant (29) rompt pour ouvrir le circuit optique associé aux guides. Un circuit électronique associé (34) génère un signal de sortie indiquant une panne de rotor de turbine à gaz.
Aberg Robert O.
Hoeland Stephen J.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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