Yukio Misaki

Title: Innovations by Yukio Misaki

Introduction

Yukio Misaki is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the automotive industry. With a total of 2 patents, his work focuses on enhancing the performance and efficiency of engine components.

Latest Patents

One of his latest patents is a crankshaft bearing structure. This innovative design includes a crankshaft with a first crank journal and a second crank journal, along with a crank pin positioned between them. The structure features upper-and-lower journal bearings that are attached to the respective crank journals. Each upper bearing is equipped with an oil hole connected to an oil passage, ensuring effective oil supply between the crank journal and the journal bearings. Additionally, an in-shaft oil passage is formed in the crankshaft to draw oil from the outer circumferential surface of the second crank journal to the crank pin. The second upper journal bearing has a circumferential groove on its inner surface, which is connected to the oil hole, allowing for efficient oil distribution.

Another significant patent by Yukio Misaki is a valve system for a multi-cylinder engine. This system includes a cam shaft with a shaft section and multiple cam element sections. It features a variety of operation members that move the cam element sections in an axial direction. A common operation member is provided for end face cams of adjacent cylinders, while individual operation members are designated for end face cams of cylinders that are not adjacent. This design enhances the functionality and performance of multi-cylinder engines.

Career Highlights

Yukio Misaki is currently associated with Mazda Motor Corporation, where he applies his expertise in engineering and innovation. His work has contributed to the development of advanced automotive technologies that improve engine performance and reliability.

Collaborations

He has collaborated with notable coworkers such as Hirotaka Tamari and Akihiro Noda, further enhancing the innovative capabilities within his team.

Conclusion

Yukio Misaki's contributions to the automotive industry through his patents demonstrate his commitment to innovation and engineering excellence. His work continues to influence the development of efficient engine technologies.