Donald J Mayhew

Title: The Innovations of Donald J. Mayhew

Introduction

Donald J. Mayhew is a notable inventor based in St. Louis, MO, who has made significant contributions to the field of internal combustion engine technology. With a total of 2 patents to his name, Mayhew's work focuses on enhancing the efficiency and functionality of piston rings.

Latest Patents

Mayhew's latest patents include a "Rolled Metal Piston Ring" and a "Method of Making a Rolled Metal Piston Ring." The rolled steel oil control piston ring features a generally U-shaped cross-section with a pair of opposed rigid sidewalls that project inwardly from a central peripheral wall. The design incorporates flat-faced solid scraper rims formed by closed pleats rolled from the peripheral wall, extending outwardly from the ring. The manufacturing process involves rolling flat strip steel stock through a series of profiled rollers, which form pleats in the central portion and close them to create the solid scraper rims. The finished strip is then punched to provide vent openings in the peripheral wall, coiled, and cut to form individual piston rings.

Career Highlights

Mayhew's career is marked by his innovative approach to engineering and design, particularly in the automotive sector. His patents reflect a deep understanding of material properties and manufacturing processes, contributing to advancements in engine performance.

Collaborations

Throughout his career, Mayhew has collaborated with notable colleagues, including William F. Ott and Harold E. McCormick. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in piston ring design.

Conclusion

Donald J. Mayhew's contributions to the field of internal combustion engines through his innovative patents demonstrate his expertise and commitment to engineering excellence. His work continues to influence the automotive industry, paving the way for future advancements.