Francis Leech

Title: Francis Leech: Innovator in Gas Turbine Technology

Introduction

Francis Leech is a notable inventor based in Tempe, AZ (US). He has made significant contributions to the field of gas turbine technology, particularly with his innovative designs aimed at improving engine efficiency and performance.

Latest Patents

Leech holds a patent for an oil sump buffer seal. This invention features a buffer seal arrangement designed to enhance the sealing of oil sump seals in gas turbine engines. The arrangement includes a three-section labyrinth seal, with a buffer air supply annulus positioned between the first and second sections. This annulus delivers pressurized air from the engine to the seal sections, effectively preventing oil leakage into the gas path of the turbine. Rig testing has demonstrated the effectiveness of this buffer seal arrangement in maintaining engine integrity.

Career Highlights

Francis Leech is associated with AlliedSignal Inc., where he has applied his expertise in engineering and innovation. His work has contributed to advancements in gas turbine technology, showcasing his commitment to enhancing engine performance and reliability.

Collaborations

Leech has collaborated with notable colleagues, including Gulshan K Arora and Donn A Groninger. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Francis Leech's contributions to gas turbine technology through his patent for an oil sump buffer seal exemplify his innovative spirit and dedication to engineering excellence. His work continues to influence the industry and improve the performance of gas turbine engines.