Determination of fuel characteristics

By employing piezoelectric crystals, nitrile materials, and other sensors, the patent addresses the challenge of determining alternative fuel characteristics, enhancing gas turbine engine operation and maintenance through precise fuel management.

FR3130991B1Active Publication Date: 2026-05-22ROLLS ROYCE PLC
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
ROLLS ROYCE PLC
Filing Date
2022-12-19
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

The aviation industry faces challenges in determining the characteristics of alternative aviation fuels with lower aromatic compound and sulfur content, which are necessary for optimal operation and maintenance of gas turbine engines.

Method used

The use of piezoelectric crystals, nitrile fuel-sealing materials, trace substance parameters, UV-visible spectrum light transmittance, condensation drag parameters, and exhaust gas content measurements to determine fuel characteristics such as hydrocarbon distribution, aromatic hydrocarbon content, sulfur content, and thermal stability, enabling accurate fuel management and engine operation.

Benefits of technology

Enables precise determination of fuel characteristics for improved performance and environmental benefits by allowing tailored operation and maintenance of gas turbine engines, ensuring efficient and safe fuel use.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a method (1014) for determining one or more fuel characteristics of an aviation fuel (F) suitable for powering a gas turbine engine (10) of an aircraft (1). The method comprises: exposing (1015) the surface of a piezoelectric crystal to the fuel (F); measuring (1016) a vibration parameter of the piezoelectric crystal; and determining (1017) one or more fuel characteristics of the fuel (F) based on the vibration parameter. The invention also relates to a fuel characteristic determination system (114), a method (1065) for operating an aircraft, and an aircraft. Figure 5
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