Craig L Dimaggio

Title: **Craig L Dimaggio: Innovator in Aftertreatment Systems**

Introduction

Craig L Dimaggio, an accomplished inventor based in Troy, MI, has made significant contributions to the field of automotive exhaust aftertreatment systems. With a total of three patents to his name, Dimaggio's innovations aim to enhance the efficiency of exhaust systems, particularly concerning nitrogen oxides (NOx) emissions.

Latest Patents

Among Craig's latest patents are notable advancements that showcase his engineering expertise. One of his significant inventions is the "Dual path aftertreatment system and method utilizing fuel as an on-board reductant for NOx SCR." This system employs a sophisticated controller that enables an engine to produce two distinct exhaust streams: a lean first exhaust stream and a rich second exhaust stream. These streams are directed into separate passageways, allowing the rich exhaust to react with NOx stored in a specific catalyst, thereby generating ammonia for effective NOx reduction.

Additionally, Craig has developed a diagnostic technique titled "Particulate matter filter diagnostic techniques based on exhaust gas analysis." This innovative method utilizes sensors to monitor exhaust gas components and assess the performance of particulate matter filters. By calculating conversion efficiency and comparing it to expected thresholds, the system can determine whether a filter is functioning correctly or is compromised.

Career Highlights

Craig's professional journey includes collaborations with prominent companies in the automotive sector, notably FCA US LLC and Delphi Technologies, Inc. His work at these organizations has contributed to advancements in vehicle emissions control technologies, specifically targeting the reduction of harmful pollutants.

Collaborations

Throughout his career, Craig has collaborated with esteemed professionals such as Michael A Smith and Jeffrey P Wuttke. These partnerships have likely enriched his work environment and fostered the exchange of innovative ideas aimed at improving automotive technology.

Conclusion

In summary, Craig L Dimaggio stands out as a noteworthy inventor contributing to the evolution of exhaust aftertreatment systems. His patents reflect a commitment to innovation and efficiency in reducing harmful emissions, showcasing his pivotal role in the automotive industry. With continued dedication, Dimaggio's work will likely inspire future advancements in this critical area of environmental engineering.