Thomas A Grana

Title: Innovations of Thomas A. Grana

Introduction

Thomas A. Grana is a notable inventor based in Columbus, Indiana, with a significant contribution to the field of exhaust aftertreatment systems. He holds a total of 8 patents, showcasing his expertise and innovative spirit in automotive technology.

Latest Patents

Among his latest patents is a system and method for diagnosing the health of an exhaust aftertreatment system. This invention focuses on diagnostics for inadequate performance and/or degradation of the exhaust aftertreatment system. It includes a performance degradation analysis that determines a long-term brake specific NOx value over a specified time period and compares it to a threshold value. Another significant patent is a system, method, and apparatus for determining aftertreatment fluid quality. This method involves determining a first NO conversion efficiency value and assessing whether the diesel exhaust fluid (DEF) level has increased beyond a threshold amount. It further includes determining a second NO conversion efficiency value, comparing the two, and establishing a DEF quality indicator based on the changes observed.

Career Highlights

Throughout his career, Thomas has worked with prominent companies such as Cummins Inc. and Cummins Filtration Inc. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in exhaust aftertreatment technologies.

Collaborations

Thomas has collaborated with notable coworkers, including Daniel D. Wilhelm and Yuetao Zhang. Their combined expertise has likely fostered a creative environment that encourages innovation and problem-solving in their projects.

Conclusion

Thomas A. Grana's contributions to the field of exhaust aftertreatment systems through his patents and collaborations highlight his role as a significant inventor in automotive technology. His work continues to influence advancements in the industry.