Daniel William Stewart

Title: The Innovations of Daniel William Stewart

Introduction

Daniel William Stewart is a notable inventor based in Helotes, Texas. He has made significant contributions to the field of hybrid vehicle technology and diesel engine management. With a total of six patents to his name, Stewart's work reflects a commitment to advancing automotive engineering.

Latest Patents

One of Stewart's latest patents is for a powertrain for hybrid vehicles that incorporates a dedicated exhaust gas recirculation (EGR) system. This innovative design allows for one cylinder to operate as a dedicated EGR cylinder, recirculating all exhaust back to the engine's fresh air intake. The engine can also function in a decoupled mode, where the dedicated EGR cylinder powers a generator while the main cylinders provide power to the crankshaft. Another significant patent focuses on controlling exhaust gas temperature and space velocity during regeneration. This method aims to protect temperature-sensitive diesel engine components and aftertreatment devices by managing the maximum temperature of exhaust gas through precise control of valve timing and cylinder cutout.

Career Highlights

Stewart has worked with reputable organizations, including the Southwest Research Institute. His experience in these roles has allowed him to develop and refine his innovative ideas, contributing to advancements in hybrid and diesel engine technologies.

Collaborations

Throughout his career, Stewart has collaborated with notable individuals such as Rudolf Hermann Stanglmaier and Charles Edward Roberts, Jr. These partnerships have likely enriched his work and led to further innovations in the automotive field.

Conclusion

Daniel William Stewart's contributions to hybrid vehicle technology and diesel engine management demonstrate his expertise and innovative spirit. His patents reflect a deep understanding of engineering principles and a commitment to improving vehicle performance and efficiency.