Yukiyo Yamada

Title: Innovations by Yukiyo Yamada

Introduction

Yukiyo Yamada is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of internal combustion engine technology. With a total of two patents to her name, Yamada's work focuses on enhancing engine performance and efficiency.

Latest Patents

Yamada's latest patents include an internal-combustion engine control method and control device. This innovative engine features a variable compression ratio mechanism that allows for changes in the mechanical compression ratio. Additionally, it incorporates a variable valve timing mechanism to adjust the valve timing of the intake valve. When acceleration is required, the system sets a target compression ratio lower than the normal target value. The valve timing is adjusted to the advance angle side. This design helps manage combustion pressure effectively during acceleration. Another patent involves a control method for an internal combustion engine that utilizes a variable compression ratio mechanism. This method includes a compression ratio fixing control that maintains a low mechanical compression ratio during engine idling, particularly during catalyst warming-up.

Career Highlights

Yukiyo Yamada is currently employed at Nissan Motor Company Limited, where she applies her expertise in engine technology. Her work has contributed to advancements in automotive engineering, particularly in improving engine efficiency and performance.

Collaborations

Yamada collaborates with notable colleagues, including Kenji Suzuki and Ryouichi Ootaki. Their teamwork fosters innovation and drives the development of cutting-edge technologies in the automotive industry.

Conclusion

Yukiyo Yamada's contributions to internal combustion engine technology exemplify her innovative spirit and dedication to engineering excellence. Her patents reflect a commitment to enhancing vehicle performance and efficiency.