Toru Kurisu

Title: Toru Kurisu: Innovator in Engine Valve Control Systems

Introduction

Toru Kurisu is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engine technology, particularly in the area of valve control systems. With a total of 3 patents to his name, Kurisu's work has had a substantial impact on automotive engineering.

Latest Patents

One of Kurisu's latest patents is a "System for controlling valve shift timing of an engine." This innovative system involves the use of a swingable cam that lifts either an intake or exhaust valve through the rotation of a rotatable cam formed in the cam shaft. The design features a tapered surface that allows for the adjustment of valve shift timing by moving the cam shaft axially. Additionally, the system includes a power transmitting member, such as a helical gear, which is engaged with the cam shaft through a helical spline, ensuring precise control over the engine's output.

Another significant patent is the "Valve drive apparatus for double overhead camshaft engine." This apparatus consists of a pair of valve trains, each equipped with a rocker arm and a hydraulic lash adjuster. The design is symmetrical with respect to the center axis of each cylinder in a double overhead camshaft engine. Notably, one of the valve trains is engineered to have greater rocker arm leverage and higher structural rigidity compared to the other, enhancing the overall performance of the engine.

Career Highlights

Toru Kurisu is currently employed at Mazda Motor Corporation, where he continues to innovate and develop advanced engine technologies. His work at Mazda has positioned him as a key player in the automotive industry, contributing to the company's reputation for engineering excellence.

Collaborations

Throughout his career, Kurisu has collaborated with esteemed colleagues, including Masami Nishida and Takashi Ikai. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in engine design.

Conclusion

Toru Kurisu's contributions to engine valve control systems exemplify his dedication to innovation in automotive engineering. His patents reflect a deep understanding of mechanical systems and a commitment to enhancing engine performance. As he continues his work at Mazda Motor Corporation, Kurisu remains a significant figure in the field of automotive technology.