Fujio Anzai

Title: Fujio Anzai: Innovator in Cylinder Liner Technology

Introduction

Fujio Anzai is a notable inventor based in Tochigi-ken, Japan. He has made significant contributions to the field of internal combustion engine components, particularly in the design and manufacturing of cylinder liners. With a total of 2 patents to his name, Anzai's work showcases innovative approaches to enhancing engine performance and durability.

Latest Patents

Anzai's latest patents include a cylinder liner with its inner peripheral surface formed with a surface treatment layer and a method for machining to the surface treatment layer. This cylinder liner is designed for use in internal combustion engines and features an inner surface treated with water vapor. The surface treatment layer is engineered to provide excellent lubrication oil retention and initial break-in properties while allowing for easy machining. The treatment surface has a plateau configuration with a surface roughness Rz ranging from 0.8 to 5.9 μm, defined under DIN4776 by specific parameters such as reduced peak height Rpk, core roughness depth Rk, and reduced valley depth Rvk. Additionally, he has developed a cylinder liner formed of cast iron, which has an inner peripheral surface subjected to honing that creates cross-hatching grooves. This design results in a surface roughness ranging from 0.4 μmR to 0.8 μmR, with an open phase rate of graphite of not less than 80% at the inner surface.

Career Highlights

Fujio Anzai is currently associated with Nippon Piston Ring Co., Ltd., where he continues to innovate in the field of engine components. His work has been instrumental in advancing the technology behind cylinder liners, contributing to improved engine efficiency and performance.

Collaborations

Anzai has collaborated with notable coworkers such as Yoshiki Ishikawa and Genshin Kojima, further enhancing the innovative efforts within his team.

Conclusion

Fujio Anzai's contributions to cylinder liner technology reflect his commitment to innovation and excellence in engineering. His patents demonstrate a deep understanding of material properties and surface treatments, which are crucial for the performance of internal combustion engines.