Leonard H Burrows

Title: **Leonard H Burrows: Innovator in Gas Turbine Technology**

Introduction

Leonard H Burrows, hailing from Gibsonia, PA, is an accomplished inventor with a remarkable portfolio of four patents primarily focused on enhancing the operational efficiency and safety of gas turbines. His work embodies innovation, contributing to significant advancements in the field of turbine control systems.

Latest Patents

Burrows' latest patents concentrate on developing sophisticated methods for managing temperature limits within gas turbines. One of his notable inventions involves a primary or backup control system that generates a blade path temperature limit signal. This innovation serves to check the fuel scheduling signal, preventing excursions of the blade path temperature beyond specified limits. The system incorporates a dual response mechanism that reacts differently to increasing and decreasing temperature conditions, utilizing proportional signal limiters tailored to the gas turbine's characteristics. Additionally, he devised a temperature limit signal that clamps to a predetermined percentage of the fuel scheduling signal, thus ensuring optimal turbine protection and stability.

Another crucial patent discusses the delayed ramping of the speed setpoint during ignition in the primary control system. This predetermined time delay safeguards against potential flameouts by adjusting fuel flow and maintaining a fixed fuel valve setting during the ignition phase. Once the delay period concludes, the system smoothly increases the turbine speed towards synchronization, enhancing operational reliability.

Career Highlights

Throughout his career, Leonard H Burrows has made significant strides in the gas turbine industry, working with Westinghouse Electric Corporation. His innovations have paved the way for improved turbine control and efficiency, transforming the operational landscape for turbine technologies.

Collaborations

Burrows has collaborated with esteemed colleagues such as Jack R Smith and Richard S Heiser, contributing to the collective advancement within their field. Their combined expertise has driven innovative solutions, further establishing the importance of teamwork in technological advancements.

Conclusion

Leonard H Burrows stands as a pivotal figure in the realm of gas turbine technology. His patents reflect a dedication to enhancing turbine safety and efficiency, showcasing the transformative power of innovation. As the industry continues to evolve, Burrows' contributions will undoubtedly inspire future advancements in turbine control systems.