Kiyokazu Sunami

Title: Kiyokazu Sunami: Innovator in Hypoid Gear Design

Introduction

Kiyokazu Sunami is a prominent inventor based in Tajimi, Japan. He has made significant contributions to the field of gear design, particularly in the development of hypoid gears. With a total of 8 patents to his name, Sunami's work has advanced the understanding and functionality of gear systems.

Latest Patents

One of Sunami's latest patents focuses on a hypoid gear design method that improves the degree of freedom of hypoid gears. This innovation involves calculating an instantaneous axis in the relative rotation of a gear axis and a pinion axis. It also includes determining a line of centers, the intersection between the instantaneous axis and the line of centers, and the inclination angle of the instantaneous axis concerning the rotation axis of the gear. These calculations are based on variables such as shaft angle, offset, and gear ratio. By establishing base coordinate systems, Sunami is able to calculate specifications for the gear and pinion, including spiral angles, pitch cone angles, and reference circle radii. The design reference point is calculated based on these parameters, allowing for flexibility in selecting the pitch cone angle of the gear or pinion.

Career Highlights

Throughout his career, Kiyokazu Sunami has worked with notable companies, including Toyota Chuo Kenkyusho and Delta Tooling Co., Ltd. His experience in these organizations has contributed to his expertise in gear design and innovation.

Collaborations

Sunami has collaborated with esteemed colleagues such as Eiichi Ono and Yoshiki Ninomiya. Their combined efforts have furthered advancements in the field of gear technology.

Conclusion

Kiyokazu Sunami's contributions to hypoid gear design exemplify his innovative spirit and dedication to engineering excellence. His patents and collaborations continue to influence the industry, showcasing the importance of creativity in technological advancements.