John H Johnson

Title: John H Johnson: Innovator in Diesel Engine Aftertreatment Systems

Introduction

John H Johnson is a notable inventor based in Houghton, MI (US), recognized for his contributions to the field of diesel engine aftertreatment systems. With a total of 4 patents to his name, Johnson has made significant advancements in technologies aimed at reducing harmful emissions from diesel engines.

Latest Patents

Among his latest patents, Johnson has developed innovative aftertreatment systems and methods for the treatment of exhaust gas from diesel engines. One of his key inventions includes an aftertreatment system that features a selective catalytic reduction catalyst on a diesel particulate filter (SCR-F). This system incorporates a first reductant injector connected to an exhaust gas passage upstream of the SCR-F, along with a downstream diesel oxidation catalyst (DOC) and a selective catalyst reduction catalyst (SCR) positioned downstream of the DOC. The system is designed to optimize particulate matter (PM) oxidation and NOx conversion based on real-time engine conditions, showcasing Johnson's commitment to enhancing environmental sustainability.

Career Highlights

Throughout his career, Johnson has worked with various institutions, including Michigan Technological University. His work has focused on developing advanced technologies that address the challenges of diesel emissions, contributing to cleaner air and improved engine performance.

Collaborations

Johnson has collaborated with notable colleagues such as Gordon G Parker and John P Barrett, further enriching his research and development efforts in the field of diesel engine technology.

Conclusion

John H Johnson's innovative work in diesel engine aftertreatment systems exemplifies his dedication to reducing emissions and improving environmental standards. His patents reflect a significant contribution to the automotive industry, paving the way for cleaner and more efficient diesel engines.