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US 2026/0139633 A1Published application
Switchable aero engine dual fuel control system with dhfc
AssigneePratt & Whitney Canada Corp.
InventorsXuening Lu, Poi Loon Tang, Carmine Lisio
Life of this patent
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Abstract
A method of operating a dual fuel gas turbine engine includes operating the engine with a first fuel according to a first control loop. The method also includes while the engine is operating with the first fuel, bumplessly transitioning the engine to operate with a second fuel, and operating the engine with the second fuel according to a second control loop.
Claims20
A method of operating a dual fuel gas turbine engine, the method comprising:
- operating the engine with a first fuel according to a first control loop;
- while the engine is operating with the first fuel, bumplessly transitioning the engine to operate with a second fuel;
- and
- operating the engine with the second fuel according to a second control loop.
1 more element
A dual fuel gas turbine engine comprising:
- a controller configured to:
- operate the engine with a first fuel according to a first control loop;
- while the engine is operating with the first fuel, bumplessly transition the engine to operate with a second fuel;
- and
- operate the engine with the second fuel according to a second control loop.
2 more elements
A non-transitory machine readable medium containing instructions that when executed cause at least one processor to:
- operate a dual fuel gas turbine engine with a first fuel according to a first control loop;
- while the engine is operating with the first fuel, bumplessly transition the engine to operate with a second fuel;
- and
- operate the engine with the second fuel according to a second control loop.
1 more element
Dependencies are inferred from the claim text.