Brian P Liimatta

Title: Brian P. Liimatta: Innovator in NOx Sensor Diagnostics

Introduction

Brian P. Liimatta is a notable inventor based in Columbus, IN (US). He has made significant contributions to the field of exhaust aftertreatment systems, particularly in the area of NOx sensor diagnostics. With a total of 4 patents to his name, Liimatta's work has had a meaningful impact on automotive technology.

Latest Patents

One of his latest patents focuses on a method for diagnosing NOx sensors in an exhaust aftertreatment system. This innovative method includes several steps, such as suspending reductant dosing, purging reductant deposits in a selective catalytic reduction (SCR) system, and adjusting engine parameters to optimize nitrogen oxide (NOx) emissions. The process involves receiving measured NOx data from both SCR inlet and outlet sensors, determining a phase shift between these measurements, and applying this shift to assess the state of the NOx sensors. This diagnostic feature is crucial for maintaining the efficiency and effectiveness of exhaust aftertreatment systems.

Career Highlights

Throughout his career, Brian has worked with prominent companies in the automotive industry, including Cummins Inc. and Cummins Filtration Inc. His experience in these organizations has allowed him to develop and refine his expertise in exhaust aftertreatment technologies.

Collaborations

Some of his notable coworkers include Andrew W. Osburn and Christopher Ferguson. Their collaborative efforts have contributed to advancements in the field and have helped in the successful development of innovative solutions.

Conclusion

Brian P. Liimatta is a distinguished inventor whose work in NOx sensor diagnostics has paved the way for improved automotive technologies. His contributions continue to influence the industry and enhance environmental sustainability.