18750320. METHOD OF OPERATING A GAS TURBINE ENGINE AT A LOW POWER CONDITION simplified abstract (Pratt & Whitney Canada Corp.)

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METHOD OF OPERATING A GAS TURBINE ENGINE AT A LOW POWER CONDITION

Organization Name

Pratt & Whitney Canada Corp.

Inventor(s)

Stephen Tarling of Pointe Claire (CA)

Philippe Beauchesne-martel of Brossard (CA)

Jeffrey Verhiel of Mono (CA)

METHOD OF OPERATING A GAS TURBINE ENGINE AT A LOW POWER CONDITION - A simplified explanation of the abstract

This abstract first appeared for US patent application 18750320 titled 'METHOD OF OPERATING A GAS TURBINE ENGINE AT A LOW POWER CONDITION

Simplified Explanation

The patent application describes a system and method for operating a gas turbine engine by removing fuel from a fuel manifold during a low-power mode of operation.

  • Fuel is supplied to the combustor of the gas turbine engine via two manifolds during different modes of operation.
  • Fuel supply is stopped to one manifold while continuing through the other during a specific mode.
  • After stopping fuel supply to one manifold, fuel is purged from it using pressure inside the combustor.

Key Features and Innovation

  • Removal of fuel from a manifold during low-power mode.
  • Dual manifold fuel supply system for the combustor.
  • Purging of fuel from the second manifold using combustor pressure.

Potential Applications

This technology can be applied in gas turbine engines used in power generation, aviation, and other industrial applications.

Problems Solved

  • Efficient fuel management during low-power operation.
  • Preventing fuel buildup in the manifold.
  • Ensuring optimal performance of the gas turbine engine.

Benefits

  • Improved fuel efficiency.
  • Enhanced engine performance.
  • Reduced maintenance requirements.

Commercial Applications

  • Power generation plants.
  • Aircraft engines.
  • Industrial gas turbine applications.

Questions about Gas Turbine Engine Operation

How does the system remove fuel from the fuel manifold during low-power mode?

The system stops fuel supply to one manifold and purges the fuel from it using pressure from the combustor.

What are the benefits of using a dual manifold fuel supply system?

The dual manifold system allows for efficient fuel management and optimal performance of the gas turbine engine.


Original Abstract Submitted

A system and method for operating a gas turbine engine are provided. The system and method remove fuel from a fuel manifold during a low-power mode of operation of the gas turbine engine. The method includes supplying fuel to a combustor of the gas turbine engine via a first manifold and a second manifold during a first mode of operation; stopping fuel supply to the combustor via the second manifold and continuing to supply fuel to the combustor via the first manifold during a second mode of operation; and, after stopping fuel supply to the combustor via the second manifold, purging fuel from the second manifold using a pressure inside the combustor to drive the fuel in the second manifold away from the combustor.