John M Janssen

Title: Innovations of John M Janssen

Introduction

John M Janssen is a notable inventor based in Henrico, Virginia, with a remarkable portfolio of seven patents. His work primarily focuses on advancements in engine technology, particularly in aftertreatment control and diagnostics. Janssen's contributions have significantly impacted the automotive industry, enhancing the efficiency and effectiveness of internal combustion engines.

Latest Patents

One of Janssen's latest patents is titled "Apparatus, system, and method for aftertreatment control and diagnostics." This innovative method involves providing an exhaust stream for an internal combustion engine, which is fluidly coupled to an aftertreatment component. The method includes optically determining the amount of an exhaust gas constituent in the exhaust stream and modifying a model stored on a computer-readable medium based on this information. The model encompasses various aspects, including engine NO generation, catalyst NO storage, and catalyst conversion efficiency.

Another significant patent is "Apparatus, system, and method for detecting engine fluid constituents." This system is designed to detect engine fluid constituents through a sample channel that includes a conduit for a working engine fluid. It features an electromagnetic source that emits radiation through a metal tube, and an EM detector that receives the remaining radiation after it passes through the sample channel. The system's controller determines a composition indicator signal that represents the amount of a constituent in the working engine fluid.

Career Highlights

Janssen is currently employed at Cummins Inc., a leading company in the field of engine technology and power generation. His work at Cummins has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for excellence in engineering and technology.

Collaborations

Throughout his career, Janssen has collaborated with several talented individuals, including Frederick H Lindner and Matthew L Schneider. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.

Conclusion

John M Janssen's contributions to engine technology through his patents and work at Cummins Inc. highlight his significant role as an inventor. His innovative methods for aftertreatment control and diagnostics continue to influence the automotive industry, showcasing the importance of his work in advancing engine efficiency and performance.