Keiju Tomoda

Title: Keiju Tomoda: Innovator in Internal Combustion Engine Technology

Introduction

Keiju Tomoda is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 6 patents. His innovative designs focus on enhancing engine performance and reducing vibrations, showcasing his expertise in mechanical engineering.

Latest Patents

One of Tomoda's latest patents is a rolling vibration reduction device for internal combustion engines. This device includes a main inertial system that rotates with the crankshaft, a driving force transmission mechanism that reverses the direction of the rotational driving force, and a sub-inertial system that reduces rolling vibrations by rotating in the opposite direction of the crankshaft. The torsional resonance frequency in this device is set higher than the explosion primary frequency at maximum engine speed, ensuring optimal performance.

Another notable patent is the variable compression ratio mechanism for internal combustion engines. This mechanism comprises a connecting rod with a crank receiving opening, an eccentric member that allows for adjustments in length, and a swing member that engages with the eccentric member to facilitate movement. This innovative design allows for improved efficiency and adaptability in engine operation.

Career Highlights

Keiju Tomoda is currently employed at Toyota Motor Corporation, where he continues to develop cutting-edge technologies for internal combustion engines. His work at Toyota has positioned him as a key player in the automotive industry, contributing to advancements that enhance vehicle performance and sustainability.

Collaborations

Throughout his career, Tomoda has collaborated with notable colleagues, including Yoshiaki Miyazato and Shouji Katsumata. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Keiju Tomoda's contributions to internal combustion engine technology are noteworthy, with his patents reflecting a commitment to innovation and excellence. His work at Toyota Motor Corporation and collaborations with esteemed colleagues further highlight his impact on the automotive industry.