Tetsuo Hiura, Deceased

Title: Tetsuo Hiura: Innovator in Speed Detection Technology

Introduction

Tetsuo Hiura was a notable inventor from Hiroshima, Japan, recognized for his contributions to speed detection technology. His innovative work has left a lasting impact in the field of engineering, particularly in applications involving rolling contact bearings.

Latest Patents

Hiura held a patent for a "Revolving speed detecting device with reduced eddy current loss." This device is designed for use with a rolling contact bearing that includes a rotary ring and a fixed ring. The invention features a magnetic ring with multiple teeth arranged at equal pitches, mounted on the rotary bearing ring. A sensor, made of soft ferrite or laminated silicon steel plates, is positioned on the fixed bearing ring opposite the magnetic ring's teeth. A coil is wound around the sensor, which is connected to a high-frequency voltage generator. Additionally, a detecting device is linked to the coil to measure the output voltage.

Career Highlights

Throughout his career, Tetsuo Hiura worked at NTN Corporation, where he developed his innovative speed detection device. His work contributed significantly to advancements in bearing technology and its applications in various industries.

Collaborations

Hiura collaborated with notable coworkers, including Yuji Yada and Tsugito Nakazeki, who contributed to the development and refinement of his inventions.

Conclusion

Tetsuo Hiura's legacy as an inventor is marked by his innovative contributions to speed detection technology. His patent continues to influence the engineering field, showcasing the importance of creativity and collaboration in technological advancements.