Atsushi Yasumura

Title: Innovations of Atsushi Yasumura in Valve Timing Control

Introduction

Atsushi Yasumura is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive engineering, particularly in valve timing control systems. With a total of 5 patents to his name, Yasumura's work has advanced the efficiency and performance of engine systems.

Latest Patents

Yasumura's latest patents include innovative technologies that enhance valve timing control. One of his notable inventions is a "Valve timing control apparatus with a disallowing means." This apparatus continuously controls the valve timing of an intake or exhaust valve in an engine. It features a hydraulic variable valve timing mechanism, a hydraulic control valve, and an electronic control unit. The system adjusts the valve timing to optimize the valve overlap between the intake and exhaust valves, ensuring that the real phase of the valve timing aligns with a target phase based on engine conditions.

Another significant patent is the "Valve timing control apparatus with a restricting means." Similar to the previous invention, this apparatus also focuses on controlling valve timing. It includes a hydraulic variable valve timing mechanism and an electronic control unit that learns the control state of the valve-timing sustaining control. The addition of a restricting means enhances the precision of the valve timing adjustments.

Career Highlights

Yasumura is currently employed at Toyota Motor Corporation, where he continues to innovate in the automotive sector. His work has been instrumental in developing advanced engine technologies that improve performance and fuel efficiency.

Collaborations

Throughout his career, Yasumura has collaborated with esteemed colleagues such as Senji Kato and Nobuhisa Ohkawa. These partnerships have fostered a creative environment that encourages the development of cutting-edge automotive technologies.

Conclusion

Atsushi Yasumura's contributions to valve timing control systems exemplify his dedication to innovation in the automotive industry. His patents reflect a commitment to enhancing engine performance and efficiency, making him a valuable asset to Toyota Motor Corporation.