Location History:
- Kennesaw, GA (US) (2017)
- Lebanon, OH (US) (2014 - 2018)
- Clarksville, OH (US) (2023)
Company Filing History:
5 out of 51,920 
1 out of 832,891 Years Active: 2014-2025
Title: Marcia Boyle Johnson: Innovator in Turbine Engine Technology
Introduction
Marcia Boyle Johnson is a prominent inventor based in Lebanon, OH (US). She has made significant contributions to the field of turbine engine technology, holding a total of 6 patents. Her work focuses on optimizing performance and efficiency in turbine engines, showcasing her expertise and innovative spirit.
Latest Patents
One of her latest patents is titled "Clearance design process and strategy with CCA-ACC optimization for EGT and performance improvement." This patent discloses methods, apparatus, systems, and articles of manufacture that illustrate a clearance design process and strategy with CCA-ACC optimization for exhaust gas temperature (EGT) and performance improvement. The apparatus described includes a case surrounding at least part of a turbine engine, which may consist of a turbine or a compressor. It features a first source to obtain external air, a second source to obtain cooled cooling air, a heat exchanger to control the temperature of the cooled cooling air, and a case cooler to provide active clearance control air to the case. This innovative design aims to control the deflection of the case, enhancing the overall performance of turbine engines.
Career Highlights
Throughout her career, Marcia has worked with notable companies, including General Electric Company. Her experience in these organizations has allowed her to develop and refine her innovative ideas, contributing to advancements in turbine engine technology.
Collaborations
Marcia has collaborated with talented individuals such as Nicholas Joseph Kray and David William Crall. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in her field.
Conclusion
Marcia Boyle Johnson is a trailblazer in turbine engine technology, with a strong portfolio of patents that reflect her innovative contributions. Her work continues to influence the industry, paving the way for future advancements in performance optimization.