Motoji Ohmori

Title: Motoji Ohmori: Innovator in Rotary Machine Technology

Introduction

Motoji Ohmori is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of rotary machines, holding a total of 4 patents. His work focuses on methods and apparatuses that enhance the detection and diagnosis of conditions in rotary machinery.

Latest Patents

Ohmori's latest patents include a method of and apparatus for detecting crack conditions in rotors of rotary machines. This innovative method allows for the continuous detection of crack development during operation by monitoring the number of revolutions of the rotor and the oscillations of its journal end portions. The detection process is based on signals corresponding to the waveform of the rotor's oscillation. Additionally, he has developed a vibration diagnosis method and apparatus for rotary machines. This technology measures the vibration of the rotor shaft, extracts synchronous vibration components, and analyzes them to determine the causes of any mass unbalance.

Career Highlights

Motoji Ohmori is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has significantly advanced the understanding and maintenance of rotary machines, contributing to improved operational safety and efficiency.

Collaborations

Ohmori has collaborated with notable colleagues, including Fumio Fujisawa and Motohiro Shiga, who have contributed to his research and development efforts.

Conclusion

Motoji Ohmori's innovative work in rotary machine technology has led to advancements that enhance the safety and efficiency of these critical systems. His contributions continue to impact the industry positively.