Importance

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Abstract

Turbines and associated equipment are normally cleaned via water or chemical pressure washing via a mist, spray systems. However, these systems fail to reach deep across the gas path to remove fouling materials. Various embodiments herein pertain to apparatus and methods that utilize the water and existing chemicals to generate a foam. The foam can be introduced at that gas-path entrance of the equipment, where it contacts the stages and internal surfaces, to contact, scrub, carry, and remove fouling away from equipment to restore performance. Various embodiments pertain to spout assemblies for providing foam to the compressor of commercial fan engines, and in yet other embodiments to engines receiving air from a long inlet duct, especially those having a serpentine inlet ducts.

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First Claim