Method and system to facilitate over-speed protection

An over-speed protection system 40 for a gas turbine engine 10 including a rotor 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 interfa...

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Bibliographische Detailangaben
Hauptverfasser:	BERTRAM S NOYES JR, DAVID R VAN VACTOR, STEVEN E NOLTE
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An over-speed protection system 40 for a gas turbine engine 10 including a rotor 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. The FSI-1 may comprise a sevovalve coupled to a shutoff shuttle valve.