Shiro Yamoaka

Title: Shiro Yamoaka: Innovator in Engine Control Technology

Introduction

Shiro Yamoaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engine control technology, particularly in multi-cylinder engines. His innovative approach has led to advancements that enhance engine performance and efficiency.

Latest Patents

Yamoaka holds a patent for a "Control apparatus and control method for multi-cylinder engine." This invention utilizes a vibration detecting sensor, ideally positioned in the cylinder block or cylinder head, to detect frequency. The detected frequency is analyzed to estimate cylinder pressure peak values and peak timing for each cylinder. The control apparatus aims to regulate internal EGR, fuel injection conditions, and engine speed, ensuring that these parameters remain within optimal ranges. This technology effectively minimizes variations in combustion states among different cylinders and cycles, addressing issues arising from unit-to-unit variations or component deterioration.

Career Highlights

Shiro Yamoaka is associated with Hitachi, Ltd., where he has been instrumental in developing advanced engine control systems. His work has not only contributed to the company's reputation for innovation but has also played a crucial role in enhancing the performance of modern engines.

Collaborations

Yamoaka has collaborated with notable colleagues, including Toshiharu Nogi and Atsushi Shimada. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Shiro Yamoaka's contributions to engine control technology exemplify the impact of innovative thinking in the automotive industry. His patent and collaborative efforts continue to influence advancements in engine performance and efficiency.