Hideharu Ehara

Title: Innovations of Hideharu Ehara: A Pioneer in Fuel Injection Technology

Introduction

Hideharu Ehara, based in Hitachinaka, Japan, is a noted inventor credited with 19 patents in the field of fuel injection technology. His innovations have significantly contributed to the advancement of automotive systems, showcasing a commitment to improving engine performance and efficiency.

Latest Patents

Ehara's latest patents reflect his deep understanding of fuel injection mechanisms. His invention titled "Drive unit of fuel injection device" involves a sophisticated approach to supplying electric current to a fuel injection device. This design utilizes a high voltage source that boosts voltage beyond the battery level when opening the valve of the fuel injection device. After achieving this, the current is reduced to a level insufficient to keep the valve open, thereby enhancing efficiency.

Additionally, another notable patent is the "Control device for electromagnetic fuel injection valve". This invention addresses the varying relationship of fuel injection quantity during different valve lift states. By introducing a peak current supply period to generate necessary magnetic force, and subsequently adjusting the current to improve controllability during small fuel injection quantities, Ehara's invention optimizes fuel flow rate characteristics, ensuring reliable engine performance.

Career Highlights

Ehara has had a distinguished career with significant roles at prominent companies. He has worked with Hitachi Automotive Systems, Ltd. and Hitachi, Ltd., where he applied his engineering expertise to drive innovations in fuel injection systems. His experience in these well-respected institutions has played a vital role in shaping his inventive contributions.

Collaborations

Throughout his career, Hideharu Ehara has collaborated with esteemed coworkers, including Motoyuki Abe and Tohru Ishikawa. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and the development of cutting-edge technology in the automotive industry.

Conclusion

Hideharu Ehara stands out as an influential inventor in the realm of fuel injection systems. With his 19 patents, his work continues to inspire advancements in automotive technology. As the industry evolves, the impact of his innovations will undoubtedly play a crucial role in shaping future developments in fuel efficiency and engine performance.