Location History:
- Maumee, OH (US) (1982 - 1999)
- Toledo, MI (US) (1999)
- Toledo, OH (US) (2000 - 2021)
Company Filing History:
14 out of 360 
4 out of 1,024 
2 out of 1,986 
Years Active: 1982-2021
Title: Thomas A. Stuart - Innovator in Battery Management Systems
Introduction
Thomas A. Stuart is a prolific inventor based in Toledo, Ohio, known for his contributions to battery management technologies. With a remarkable portfolio of 17 patents, he has been instrumental in advancing the efficiency and performance of battery systems.
Latest Patents
Among his most recent innovations is the development of a bilevel equalizer for battery cell charge management. This invention features an equalizer circuit that enhances both passive and active cell voltage equalization in battery packs, ultimately improving charge and discharge capacity at a low cost. The bilevel circuit employs both passive and active equalizers to ensure effective balancing of cell voltage. Cells are organized into size-limited sections, which are balanced by passive equalizers, while active equalizers manage the balance between sections to enhance the overall battery performance. The circuit integrates a current detector or voltage-controlled oscillator for closed-loop current control, which significantly reduces switching losses and allows the use of smaller transistors. Moreover, it incorporates open line protection with capacitors to store excess charge and prevent voltage overload.
In addition, he has developed another bilevel equalizer aimed at improving charge and discharge efficiency. This version also utilizes both resistive equalizers and switching equalizers to maintain balance within the battery pack, ensuring that efficiency is maximized during operation.
Career Highlights
Throughout his career, Thomas has contributed to leading organizations, including the University of Toledo and DaimlerChrysler Corporation, where he applied his expertise in electrical engineering and innovative solutions pertaining to battery technology.
Collaborations
In his quest for innovation, Thomas has collaborated with esteemed colleagues such as Cyrus N. Ashtiani and Keming Chen. Together, they have worked on cutting-edge projects that have propelled advancements in battery management systems and improved overall market competitiveness.
Conclusion
Thomas A. Stuart's inventive spirit and dedication to improving battery technology have left a significant mark on the industry. His patented innovations continue to influence the design and performance of battery systems, ensuring that advancements in energy storage evolve with the demands of modern technology.