Minoru Ohkubo

Title: Minoru Ohkubo: Innovator in Internal Combustion Engine Technology

Introduction

Minoru Ohkubo is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of internal combustion engines, particularly in the area of knocking control. His innovative approach has led to the development of a unique method that enhances engine performance and reliability.

Latest Patents

Ohkubo holds a patent for a "Method of knocking control of internal combustion engine." This method involves controlling knocking by forming a knocking signal and a combustion signal through vibrations detected by a vibration sensor. The process utilizes a primary filter circuit that includes both a combustion filter circuit and a knocking filter circuit. Each of these circuits is equipped with a time gate and a filter. By obtaining a ratio of the representative values of the knocking and combustion signals, the method effectively determines whether knocking is occurring. Furthermore, the output voltage of control signals generated based on this decision can be adjusted according to the strength and frequency of the knocking.

Career Highlights

Minoru Ohkubo is associated with Yanmar Diesel Engine Co., Ltd., where he has applied his expertise in engine technology. His work has been instrumental in advancing the efficiency and performance of diesel engines.

Collaborations

Ohkubo has collaborated with Tohru Nakazono, contributing to the development of innovative solutions in engine technology.

Conclusion

Minoru Ohkubo's contributions to the field of internal combustion engines, particularly through his patented method for controlling knocking, highlight his role as a key innovator in this industry. His work continues to influence advancements in engine performance and reliability.