METHOD, SYSTEM, AND APPARATUS FOR REDUCING A TURBINE CLEARANCE
First Claim
1. A method for reducing a turbine clearance between a plurality of rotor blades of a turbine engine and a shroud of the turbine engine, said method comprising:
- determining, with a flight operation controller, that an airplane is in a first flight condition, wherein the first flight condition is associated with a first turbine clearance and a first engine responsiveness level;
determining, with the flight operation controller, that the airplane is in a second flight condition;
adjusting an engine responsiveness level from the first engine responsiveness level to a second engine responsiveness level based on determining the airplane is in the second flight condition; and
adjusting the turbine clearance from the first turbine clearance to a second turbine clearance based on the engine responsiveness level.
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Accused Products
Abstract
A method for reducing a turbine clearance between a plurality of rotor blades of a turbine engine and a shroud of the turbine engine is provided. Said method includes determining, with a flight operation controller, that an airplane is in a first flight condition, wherein the first flight condition is associated with a first turbine clearance and a first engine responsiveness level, determining, with the flight operation controller, that the airplane is in a second flight condition, adjusting an engine responsiveness level from the first engine responsiveness level to a second engine responsiveness level based on determining the airplane is in the second flight condition, and adjusting the turbine clearance from the first turbine clearance to a second turbine clearance based on the engine responsiveness level.
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Citations
20 Claims
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1. A method for reducing a turbine clearance between a plurality of rotor blades of a turbine engine and a shroud of the turbine engine, said method comprising:
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determining, with a flight operation controller, that an airplane is in a first flight condition, wherein the first flight condition is associated with a first turbine clearance and a first engine responsiveness level; determining, with the flight operation controller, that the airplane is in a second flight condition; adjusting an engine responsiveness level from the first engine responsiveness level to a second engine responsiveness level based on determining the airplane is in the second flight condition; and adjusting the turbine clearance from the first turbine clearance to a second turbine clearance based on the engine responsiveness level. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A clearance control system for reducing a turbine clearance between a plurality of blades of a turbine engine and a shroud of the turbine engine, said clearance control system comprising a flight operation controller configured to:
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determine that an airplane is in a first flight condition, wherein the first flight condition is associated with a first turbine clearance and a first engine responsiveness level; determine that the airplane is in a second flight condition; adjust an engine responsiveness level from the first engine responsiveness level to a second engine responsiveness level based on the determination that the airplane is in the second flight condition; and adjust the turbine clearance from the first turbine clearance to a second turbine clearance based on the engine responsiveness level. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An airplane comprising:
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a plurality of turbine engines; and a clearance control system for reducing a turbine clearance between a plurality of blades and a shroud of at least one of the plurality of turbine engines, the clearance control system comprising a flight operation controller configured to; determine that the airplane is in a first flight condition, wherein the first flight condition is associated with a first turbine clearance and a first engine responsiveness level; determine that the airplane is in a second flight condition; adjust an engine responsiveness level from the first engine responsiveness level to a second engine responsiveness level based on the determination that the airplane is in the second flight condition; and adjust the turbine clearance from the first turbine clearance to a second turbine clearance based on the engine responsiveness level. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification