Fusanori Ohira

Title: Fusanori Ohira: Innovator in Magnetic Fluid Lubrication

Introduction

Fusanori Ohira is a notable inventor based in Hitachi, Japan. He is recognized for his innovative contributions to motor technology, particularly in the area of lubrication systems. His work has led to advancements that enhance the efficiency and performance of electric motors.

Latest Patents

Fusanori Ohira holds a patent for a motor with a bearing lubricated by magnetic fluid. This invention features a stator with a base part and a hollow projection, along with a rotor that has a shaft extending into the hollow projection. A radial bearing is mounted between the shaft and the hollow projection, which is lubricated by magnetic fluid. The design includes a magnetic seal that ensures the radial bearing is effectively sealed. The rotor is equipped with permanent magnets that interact with drive coils on the stator, facilitating the rotation of the rotor around the shaft's axis. Additionally, a magnetic thrust bearing is incorporated to counteract the effects of the magnetic thrust on the seal.

Career Highlights

Fusanori Ohira has made significant strides in his career at Hitachi, Ltd. His innovative approach to motor design has garnered attention within the industry. His patent reflects a deep understanding of both mechanical and magnetic principles, showcasing his expertise in engineering.

Collaborations

Throughout his career, Fusanori Ohira has collaborated with esteemed colleagues, including Takeshi Nakajima and Ichiro Hashimoto. These partnerships have contributed to the development of cutting-edge technologies in the field of motor engineering.

Conclusion

Fusanori Ohira's work exemplifies the spirit of innovation in engineering, particularly through his patented motor design that utilizes magnetic fluid lubrication. His contributions continue to influence advancements in motor technology, highlighting the importance of research and collaboration in driving progress.