Gas turbine engine cleaning system

The modular foam truck and computer-controlled cleaning system directly inject cleaning fluid and foam into various components of the gas turbine engine, solving the problem of the lack of customization in existing cleaning systems and achieving efficient cleaning and rapid restoration of engine performance.

CN122215928APending Publication Date: 2026-06-16GENERAL ELECTRIC CO +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-11
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing cleaning systems for gas turbine engines cannot be customized to the specific operating conditions of the engine, resulting in poor cleaning efficiency and effectiveness. Furthermore, traditional cleaning methods may affect engine performance and increase unnecessary maintenance time.

Method used

The modular foam truck and cleaning system utilizes a computer-controlled pump and valve system to directly inject cleaning fluid and foam into various components of the gas turbine engine through nozzles and tilting pipes. Combined with airflow, it forms a foam cleaning fluid, achieving efficient cleaning of the engine.

Benefits of technology

It reduces cleaning time, avoids wear on accessory gearboxes, improves cleaning efficiency, ensures engine performance recovery, and reduces unnecessary maintenance steps.

✦ Generated by Eureka AI based on patent content.

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Abstract

A cleaning system for a gas turbine engine includes a foam supply unit for generating a cleaning foam for injection into the gas turbine engine, and a blower operably coupled to a core flow path of the gas turbine engine, the blower configured to draw a flow of air through the core flow path at a flow rate to cause the gas turbine engine to rotate at a target rotational speed.
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