Kazuhiro Semii

Title: Innovations by Kazuhiro Semii in Combustion Control Systems

Introduction

Kazuhiro Semii is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of automotive engineering, particularly in the area of fuel injection systems for internal combustion engines.

Latest Patents

Kazuhiro Semii holds a patent for a Direct Fuel Injection Combustion Control System. This innovative system controls combustion in a direct fuel injection spark ignition engine by maintaining a constant pressure in an accumulator when fuel is not being injected. The system is designed to manage combustion effectively when fuel injection resumes after being temporarily stopped. Key features of this patent include a target fuel pressure acquiring section that determines desired fuel pressure based on engine load and rotational speed, an actual fuel pressure detecting section, a timing acquiring section, and a first timing control section that adjusts both fuel injection and ignition timings.

Career Highlights

Kazuhiro Semii is associated with Nissan Motor Company Limited, where he continues to apply his expertise in automotive innovations. His work focuses on improving engine efficiency and performance through advanced combustion control technologies.

Collaborations

Throughout his career, Kazuhiro has collaborated with esteemed colleagues such as Tsutomu Kikuchi and Shinichi Okamoto. Their joint efforts have contributed to significant advancements in automotive engineering, particularly in optimizing the combustion processes in direct fuel injection engines.

Conclusion

Kazuhiro Semii's contributions to the field of combustion control systems showcase his innovative spirit and dedication to enhancing automotive technology. His patent for the Direct Fuel Injection Combustion Control System exemplifies the strides made towards efficient fuel management in engine design, representing a valuable advancement for the automotive industry.