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This technology is a frangible-coating enhanced “last chance” filter to prevent blockage of jet engine fuel passages. Application of the technology offers to reduce maintenance costs, improve reliability, and increase Mean Time Between Failures (MTBF) for high temperature Navy jet engines and has potential for other jet engine fueling components. The approach reduces coke deposit formation and later slough off accumulated deposits (frangibility), increasing coating lifetime. Sloughed off carbon sizes and amounts are small and readily combusted in the engine. Precision Combustion, Inc. (PCI) develops, manufactures, and markets components and systems for clean and efficient combustion and has extensive experience developing coatings for high temperature components. Our goal is to transition this technology to fleet jet engines working with component manufacturers and jet engine OEMs.

This frangible coating is used to prevent blockage of fuel passages in jet engines increasing operational capability and reducing maintenance. Targeted for “last chance” filters, additional applications include other fueling components and for current and future high-operating temperature engines.