Tomohiko Usui

Title: Tomohiko Usui: Innovator in Torque Converter Technology

Introduction

Tomohiko Usui is a notable inventor based in Wako, Japan. He has made significant contributions to the field of torque converter technology, holding a total of 2 patents. His innovative designs focus on improving efficiency and reducing energy loss in automotive applications.

Latest Patents

Usui's latest patents include a "Stator Structure for Torque Converter" and a "Torque Converter Stator Structure." The first patent describes a stator of a torque converter that is divided into a first stator on the upstream side and a second stator on the downstream side. The first and second stators are supported on a fixed part via first and second one-way clutches, respectively. This design allows for an inclined blade tip part relative to the blade base part, ensuring a sufficient blade area without increasing dimensions. It also facilitates smooth oil guidance along the blade, reducing energy loss in low-speed regions where vortex formation is common. The second patent emphasizes the importance of having a greater number of second stator blades compared to the first stator blades, ensuring effective oil flow alignment and preventing stoppage due to gaps.

Career Highlights

Throughout his career, Usui has worked with prominent companies such as Honda Motor Co., Ltd. and Yutaka Giken Co., Ltd. His experience in these organizations has contributed to his expertise in automotive technology and innovation.

Collaborations

Usui has collaborated with notable coworkers, including Hiroya Abe and Yoshitaka Mishima. Their combined efforts have further advanced the development of torque converter technologies.

Conclusion

Tomohiko Usui's contributions to torque converter technology demonstrate his innovative spirit and commitment to improving automotive efficiency. His patents reflect a deep understanding of engineering principles and a dedication to reducing energy loss in vehicles.