David A Hutchison

Introduction

David A. Hutchison is a prominent inventor based in Powhatan, VA, known for his significant contributions to diesel fuel technologies. With a total of five patents to his name, Hutchison is recognized for developing innovative solutions that enhance the performance and efficiency of diesel engines. His work primarily focuses on fuel additives and lubricant formulations.

Latest Patents

Among Hutchison's latest patents is a groundbreaking invention for fuel additives aimed at maintaining optimum injector performance. This innovative diesel fuel includes a major amount of middle distillate fuel and a reaction product of a hydrocarbyl-substituted dicarboxylic acid or anhydride combined with an amine compound or salt. The amine compound consists of both hydrogen and hydrocarbyl groups varying in carbon atom content. This combination is designed to enhance the performance of diesel fuel injectors by introducing at least one amino triazole group into the fuel.

Additionally, Hutchison holds a patent for extended drain diesel lubricant formulations. This method enables a lubricant for a diesel engine to maintain a total base number (TBN) above about 3 mg KOH/g for more than 184 days. The composition comprises sulfonate and phenate detergents along with specific antioxidants, ensuring long-lasting performance while avoiding zinc dialkydithiophosphate compounds and maintaining a low sulfated ash content.

Career Highlights

David A. Hutchison has significantly impacted the field of diesel fuel technologies while working at Afton Chemical Corporation. His innovative spirit and dedication to advancing fuel and lubricant formulations have positioned him as a key player in the industry. His patents not only advance technology but also contribute to more sustainable diesel engine operations.

Collaborations

Throughout his career, Hutchison has collaborated with talented colleagues such as John T. Loper and Paul G. Griffin. These partnerships have likely fostered a creative environment leading to the development of distinguished technologies that benefit both manufacturers and consumers.

Conclusion

David A. Hutchison stands out as an influential inventor whose patents in diesel fuel additives and lubricant technologies represent a significant advancement in the automotive industry. His contributions continue to drive innovation, improve engine performance, and promote greater efficiency in diesel fuel use. As technology evolves, Hutchison's work remains crucial in addressing the ongoing challenges faced by diesel engine manufacturers and consumers alike.