Methods and systems to facilitate over-speed protection

Details Methods and systems to facilitate over-speed protection Methods and systems to facilitate over-speed protection

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 21/02 (2006.01) F02C 7/22 (2006.01) F02C 9/46 (2006.01)

Patent

CA 2665797

An over-speed protection system (40) for a gas turbine engine (10) including a rotor is provided. The over-speed protection system includes a fuel throttling/shutoff valve (50) coupled to a fuel supply coupled to the gas turbine engine, a first fuel system interface (56) (FSI-1) coupled to the fuel throttling/shutoff valve, a second fuel system interface (58) (FSI-2) coupled to the FSI-1, a first control system (102) coupled to the FSI-1 and to the FSI-2, the first control system including a first driver A (106) and a second driver A (108), the first control system programmed with a first logic algorithm and a second logic algorithm, and a second control system (104) coupled to the FSI-1 and the FSI-2, the second control system including a first driver B (110) and a second driver B (112), the second control system programmed with the first logic algorithm and the second logic algorithm.

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