Donald J Mccune

Title: The Innovations of Donald J. McCune

Introduction

Donald J. McCune is an accomplished inventor based in Farmington Hills, MI (US). He has made significant contributions to the field of internal combustion engines, particularly in the area of fuel pump noise attenuation. His innovative approach has led to the development of a unique method and apparatus that enhances the performance of direct injection engines.

Latest Patents

One of McCune's notable patents is titled "Method and apparatus for attenuating fuel pump noise in a direct injection internal combustion chamber." This invention addresses the challenge of noise generated by fuel pumps in direct injection engines. The design involves suspending the direct injection fuel nozzle from a fuel rail to prevent direct metal-to-metal contact with the engine block. Additionally, the nozzle is connected to the fuel rail using spaced-apart seals that help equalize longitudinal pressure during operation. The invention also incorporates enlarged diameter fuel reservoirs and/or a restricted orifice to mitigate noise caused by fuel pump pulsation.

Career Highlights

Donald J. McCune has been associated with Hitachi, Ltd., where he has applied his expertise in engineering and innovation. His work has focused on improving the efficiency and functionality of automotive technologies. McCune's dedication to his craft is evident in his successful patent, which showcases his ability to solve complex engineering problems.

Collaborations

Throughout his career, McCune has collaborated with talented professionals such as Atsushi Watanabe and Harsha Badarinarayan. These partnerships have allowed him to enhance his inventions and contribute to advancements in automotive technology.

Conclusion

Donald J. McCune's innovative work in attenuating fuel pump noise has made a significant impact on the automotive industry. His patent reflects a deep understanding of engineering principles and a commitment to improving engine performance. McCune's contributions continue to influence the development of quieter and more efficient internal combustion engines.