Company Filing History:
Years Active: 2000-2001
Title: Innovations of John Denari: Pioneering NOx Trap Technologies
Introduction
John Denari, an esteemed inventor based in Dearborn, MI, holds two significant patents that reflect his contributions to the field of automotive technology. His impressive innovations focus on enhancing the efficiency of exhaust gas aftertreatment systems, thereby addressing critical environmental challenges associated with internal combustion engines.
Latest Patents
Denari's latest inventions are groundbreaking in their approach to manufacturing NOx traps with improved sulfur tolerance and controlling temperatures in aftertreatment systems. The first patent outlines a novel process for producing a NOx absorbent that not only purges exhaust gases during lean-burn operations but also resists sulfur poisoning. This advancement ensures long-term efficiency in NOx absorption through a unique method involving alumina/ceria support combined with barium and precious metals such as platinum. Overcoating with lithium further optimizes performance, making the absorbent ideal for exhaust systems under varying operational conditions.
His second patent introduces an innovative method and system for regulating the temperature of a NOx trap in variable displacement engines. This patent employs a strategic approach to control exhaust flow from alternating engine cylinders, thereby maintaining optimal temperatures for the NOx trap. By utilizing a set of control valves, this system effectively ensures the trap operates within a preferred temperature range, enhancing overall engine performance.
Career Highlights
Denari's career is notably tied to Ford Global Technologies, where he has been instrumental in developing advanced automotive technologies. His work not only contributes to the company's innovative reputation but also addresses critical regulatory standards for emissions control, marking him as a pivotal figure in the field.
Collaborations
Throughout his career, Denari has collaborated with prominent colleagues including Jeffrey Scott Hepburn and William Lewis Henderson Watkins. These partnerships have enriched his work, leading to the creation of impactful technologies that advance automotive engineering practices.
Conclusion
In summary, John Denari's patents represent significant strides in the realm of automotive exhaust technologies, focusing on enhancing NOx trap efficiency and performance. Through his dedicated work at Ford Global Technologies, he has proven to be an invaluable asset to the field of environmental engineering, contributing to innovations that lead toward a cleaner, more sustainable automotive future.