F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/181, 341/38.1
F02C 9/28 (2006.01) F02C 7/232 (2006.01)
Patent
CA 2040206
A fuel delivery system for an aircraft gas turbine engine which provides a monitor intended to estimate, from actual engine starting or operating conditions, whether the fuel delivery system is capable of meeting predetermined operating specifications, such as adequate capacity for a windmill restart. The differential pressure regulating valve, which is normally provided to maintain a constant pressure drop across the metering valve which meters fuel to the jet turbine engine, has a position monitor associated therewith. A signal relating to the regulating valve position is processed along with a signal indicating the corresponding actual engine operating conditions, to determine "excess capacity" at the operating condition and estimate from that information whether the engine will likely be capable of meeting worst case demands.
Marks & Clerk
Woodward Governor Company
LandOfFree
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